TextView.java revision 1592f98973ffffe828d34d90ddb944947d510eba
1326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams/* 2a04e30dbb5ab11592b03666bb3d102070759c58eAlex Sakhartchouk * Copyright (C) 2006 The Android Open Source Project 3326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams * 4326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams * Licensed under the Apache License, Version 2.0 (the "License"); 5326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams * you may not use this file except in compliance with the License. 6326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams * You may obtain a copy of the License at 7326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams * 8326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams * http://www.apache.org/licenses/LICENSE-2.0 9326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams * 10326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams * Unless required by applicable law or agreed to in writing, software 11326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams * distributed under the License is distributed on an "AS IS" BASIS, 12326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams * See the License for the specific language governing permissions and 14326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams * limitations under the License. 15326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams */ 16326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams 17326e0ddf89e8df2837752fbfd7a014814b32082cJason Samspackage android.widget; 18326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams 19326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.R; 20a5577808737a394bdb156fbeb80018d0a4d8438dJason Samsimport android.annotation.DrawableRes; 21bad807405b2b9764372af1ad24bcfd4fb1f33d8eJason Samsimport android.annotation.NonNull; 2293eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport android.annotation.Nullable; 23bad807405b2b9764372af1ad24bcfd4fb1f33d8eJason Samsimport android.annotation.StringRes; 2477d9f4bd05b2d2a161f30c12a2248f9c97eaac42Alex Sakhartchoukimport android.annotation.StyleRes; 25326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.annotation.XmlRes; 26dbe66d6783c1e53cd1572de0ef6ef6fdf6f76f48Jason Samsimport android.content.ClipData; 27326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.content.ClipboardManager; 2893eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport android.content.Context; 29fa85e9143c6f6a227c67bab5f08ff86194abdf2aTim Murrayimport android.content.UndoManager; 30fa85e9143c6f6a227c67bab5f08ff86194abdf2aTim Murrayimport android.content.res.ColorStateList; 31fa85e9143c6f6a227c67bab5f08ff86194abdf2aTim Murrayimport android.content.res.CompatibilityInfo; 32fa85e9143c6f6a227c67bab5f08ff86194abdf2aTim Murrayimport android.content.res.Configuration; 33fa85e9143c6f6a227c67bab5f08ff86194abdf2aTim Murrayimport android.content.res.Resources; 3493eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport android.content.res.TypedArray; 35d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukimport android.content.res.XmlResourceParser; 369e0afb5a2b3e476c42a373e7cd89cef4a34f8195Jason Samsimport android.graphics.Canvas; 37326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.graphics.Insets; 38ccc010bb7c0f89e162bf60033968a20be90a903aJason Samsimport android.graphics.Paint; 395fd09d847586f9680b4f495413b6ca5fbb69af6eJason Samsimport android.graphics.Path; 40326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.graphics.PorterDuff; 417d9c5ffccb7a5e682860f752403e5a03aed587beAlex Sakhartchoukimport android.graphics.Rect; 42fa85e9143c6f6a227c67bab5f08ff86194abdf2aTim Murrayimport android.graphics.RectF; 4393eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport android.graphics.Typeface; 4493eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport android.graphics.drawable.Drawable; 45326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.inputmethodservice.ExtractEditText; 46326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.os.AsyncTask; 47326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.os.Bundle; 48d4c25e3c197bc79c8508b76b20611b67ef883138Mathias Agopianimport android.os.Parcel; 49326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.os.Parcelable; 50326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.os.ParcelableParcel; 514edf030cbb7c6ac08dc563335c2af73c20f6e2e5Alex Sakhartchoukimport android.os.SystemClock; 524edf030cbb7c6ac08dc563335c2af73c20f6e2e5Alex Sakhartchoukimport android.os.UserHandle; 53605048a9f9af925782f6c90bc1cdc5af59e337d8Jason Samsimport android.provider.Settings; 54605048a9f9af925782f6c90bc1cdc5af59e337d8Jason Samsimport android.text.BoringLayout; 55605048a9f9af925782f6c90bc1cdc5af59e337d8Jason Samsimport android.text.DynamicLayout; 56afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukimport android.text.Editable; 57af12ac6a08651464f8d823add667c706f993b587Steve Blockimport android.text.GetChars; 58605048a9f9af925782f6c90bc1cdc5af59e337d8Jason Samsimport android.text.GraphicsOperations; 59605048a9f9af925782f6c90bc1cdc5af59e337d8Jason Samsimport android.text.InputFilter; 60605048a9f9af925782f6c90bc1cdc5af59e337d8Jason Samsimport android.text.InputType; 61605048a9f9af925782f6c90bc1cdc5af59e337d8Jason Samsimport android.text.Layout; 62afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukimport android.text.ParcelableSpan; 63af12ac6a08651464f8d823add667c706f993b587Steve Blockimport android.text.Selection; 64605048a9f9af925782f6c90bc1cdc5af59e337d8Jason Samsimport android.text.SpanWatcher; 65605048a9f9af925782f6c90bc1cdc5af59e337d8Jason Samsimport android.text.Spannable; 66605048a9f9af925782f6c90bc1cdc5af59e337d8Jason Samsimport android.text.SpannableString; 67605048a9f9af925782f6c90bc1cdc5af59e337d8Jason Samsimport android.text.SpannableStringBuilder; 68605048a9f9af925782f6c90bc1cdc5af59e337d8Jason Samsimport android.text.Spanned; 69605048a9f9af925782f6c90bc1cdc5af59e337d8Jason Samsimport android.text.SpannedString; 70605048a9f9af925782f6c90bc1cdc5af59e337d8Jason Samsimport android.text.StaticLayout; 71fa85e9143c6f6a227c67bab5f08ff86194abdf2aTim Murrayimport android.text.TextDirectionHeuristic; 72fa85e9143c6f6a227c67bab5f08ff86194abdf2aTim Murrayimport android.text.TextDirectionHeuristics; 73afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukimport android.text.TextPaint; 74326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.text.TextUtils; 75bad807405b2b9764372af1ad24bcfd4fb1f33d8eJason Samsimport android.text.TextUtils.TruncateAt; 76bad807405b2b9764372af1ad24bcfd4fb1f33d8eJason Samsimport android.text.TextWatcher; 77bad807405b2b9764372af1ad24bcfd4fb1f33d8eJason Samsimport android.text.method.AllCapsTransformationMethod; 78bad807405b2b9764372af1ad24bcfd4fb1f33d8eJason Samsimport android.text.method.ArrowKeyMovementMethod; 79bad807405b2b9764372af1ad24bcfd4fb1f33d8eJason Samsimport android.text.method.DateKeyListener; 80bad807405b2b9764372af1ad24bcfd4fb1f33d8eJason Samsimport android.text.method.DateTimeKeyListener; 81bad807405b2b9764372af1ad24bcfd4fb1f33d8eJason Samsimport android.text.method.DialerKeyListener; 82cca3d6ca444bef3b6d75431ec19bd07bfe40a733Stephen Hinesimport android.text.method.DigitsKeyListener; 83cca3d6ca444bef3b6d75431ec19bd07bfe40a733Stephen Hinesimport android.text.method.KeyListener; 84cca3d6ca444bef3b6d75431ec19bd07bfe40a733Stephen Hinesimport android.text.method.LinkMovementMethod; 85b81a0eb8180791e4eaab1253b59fa8bd562b046bAlex Sakhartchoukimport android.text.method.MetaKeyKeyListener; 86326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.text.method.MovementMethod; 87326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.text.method.PasswordTransformationMethod; 884961cceab2b71bf0ab59e1b66a7559f67ed28781Jason Samsimport android.text.method.SingleLineTransformationMethod; 89fb03a22ad2adadc1ff50a8b50d43ad7fcc3fa6edJason Samsimport android.text.method.TextKeyListener; 90ca3f09c0924e9515901dfd47fa5f95385d53cf80Stephen Hinesimport android.text.method.TimeKeyListener; 91ca3f09c0924e9515901dfd47fa5f95385d53cf80Stephen Hinesimport android.text.method.TransformationMethod; 92fb03a22ad2adadc1ff50a8b50d43ad7fcc3fa6edJason Samsimport android.text.method.TransformationMethod2; 9360709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.text.method.WordIterator; 9460709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.text.style.CharacterStyle; 9560709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.text.style.ClickableSpan; 9660709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.text.style.ParagraphStyle; 9760709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.text.style.SpellCheckSpan; 9860709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.text.style.SuggestionSpan; 9993eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport android.text.style.URLSpan; 10060709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.text.style.UpdateAppearance; 10160709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.text.util.Linkify; 10260709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.util.AttributeSet; 10360709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.util.Log; 10460709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.util.TypedValue; 10593eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport android.view.AccessibilityIterators.TextSegmentIterator; 10660709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.view.ActionMode; 10760709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.view.Choreographer; 10860709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.view.DragEvent; 1096b8552a4f6a44848255d77222e66aa92dd21b1b5Jason Samsimport android.view.Gravity; 110e57691037aea219562ac686429b4b98202aab7bcJason Samsimport android.view.HapticFeedbackConstants; 111326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.view.KeyCharacterMap; 112326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.view.KeyEvent; 113326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.view.Menu; 11493eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport android.view.MenuItem; 11593eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport android.view.MotionEvent; 11693eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport android.view.View; 11793eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport android.view.ViewAssistData; 11893eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport android.view.ViewConfiguration; 11993eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport android.view.ViewDebug; 12093eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport android.view.ViewGroup.LayoutParams; 121326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.view.ViewRootImpl; 122ccc010bb7c0f89e162bf60033968a20be90a903aJason Samsimport android.view.ViewTreeObserver; 1235fd09d847586f9680b4f495413b6ca5fbb69af6eJason Samsimport android.view.accessibility.AccessibilityEvent; 124326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.view.accessibility.AccessibilityManager; 125d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukimport android.view.accessibility.AccessibilityNodeInfo; 126326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.view.animation.AnimationUtils; 1274d252d6e807b89764dad123ac845df298c52ca97Tim Murrayimport android.view.inputmethod.BaseInputConnection; 128326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.view.inputmethod.CompletionInfo; 129326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.view.inputmethod.CorrectionInfo; 13060709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.view.inputmethod.EditorInfo; 13160709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.view.inputmethod.ExtractedText; 13260709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.view.inputmethod.ExtractedTextRequest; 13360709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport android.view.inputmethod.InputConnection; 134d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukimport android.view.inputmethod.InputMethodManager; 135326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.view.textservice.SpellCheckerSubtype; 136326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.view.textservice.TextServicesManager; 137326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport android.widget.RemoteViews.RemoteView; 13860709257bbdeb0c50f39b9c8969dc76264d6e142Jason Sams 13960709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport com.android.internal.util.FastMath; 14060709257bbdeb0c50f39b9c8969dc76264d6e142Jason Samsimport com.android.internal.widget.EditableInputConnection; 14160709257bbdeb0c50f39b9c8969dc76264d6e142Jason Sams 142d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukimport org.xmlpull.v1.XmlPullParserException; 143326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams 144889fe50e7aaebed8cb8284b16a0e51e64e8a3a9cAlex Sakhartchoukimport java.io.IOException; 145326e0ddf89e8df2837752fbfd7a014814b32082cJason Samsimport java.lang.ref.WeakReference; 14686f1b23aaaf9b8822a009d8c3e585e46768abb6aJason Samsimport java.util.ArrayList; 14786f1b23aaaf9b8822a009d8c3e585e46768abb6aJason Samsimport java.util.Locale; 1487257c7ee4b66f00c43d9235f3ac600061ae79968Alex Sakhartchouk 14993eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Samsimport static android.os.Build.VERSION_CODES.JELLY_BEAN_MR1; 15093eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Sams 151158324456b8dbf40f684dd0a4af3493b9549f3f5Jason Sams/** 152741aac95b777b2e6cb90f484a05e489a79a6ef05Jason Sams * Displays text to the user and optionally allows them to edit it. A TextView 15386f1b23aaaf9b8822a009d8c3e585e46768abb6aJason Sams * is a complete text editor, however the basic class is configured to not 154a4a54e42fc710a62b47cbcb9d64c34a190429d9eJason Sams * allow editing; see {@link EditText} for a subclass that configures the text 155a0a1b6fbece2eb8d72d788422ab3e5f58d5a9216Jason Sams * view for editing. 1568ce125be69531dbf3a7e856d5e59d1b8e2789db0Jason Sams * 1571a4efa363916977ef9aeab756725b3bdc880a15bJason Sams * <p> 1581a4efa363916977ef9aeab756725b3bdc880a15bJason Sams * To allow users to copy some or all of the TextView's value and paste it somewhere else, set the 15987319de2b16a185cf360827c96a42cf1fcaae744Jason Sams * XML attribute {@link android.R.styleable#TextView_textIsSelectable 160c61346b91434307c5003029017b54ce9c49112beJason Sams * android:textIsSelectable} to "true" or call 1618c401effb0837155fc39ca0364f57a882d127d38Jason Sams * {@link #setTextIsSelectable setTextIsSelectable(true)}. The {@code textIsSelectable} flag 1628c401effb0837155fc39ca0364f57a882d127d38Jason Sams * allows users to make selection gestures in the TextView, which in turn triggers the system's 1638c401effb0837155fc39ca0364f57a882d127d38Jason Sams * built-in copy/paste controls. 1648c401effb0837155fc39ca0364f57a882d127d38Jason Sams * <p> 16593eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Sams * <b>XML attributes</b> 1668ce125be69531dbf3a7e856d5e59d1b8e2789db0Jason Sams * <p> 1678ce125be69531dbf3a7e856d5e59d1b8e2789db0Jason Sams * See {@link android.R.styleable#TextView TextView Attributes}, 1688ce125be69531dbf3a7e856d5e59d1b8e2789db0Jason Sams * {@link android.R.styleable#View View Attributes} 1698ce125be69531dbf3a7e856d5e59d1b8e2789db0Jason Sams * 1708ce125be69531dbf3a7e856d5e59d1b8e2789db0Jason Sams * @attr ref android.R.styleable#TextView_text 1718ce125be69531dbf3a7e856d5e59d1b8e2789db0Jason Sams * @attr ref android.R.styleable#TextView_bufferType 172ccc010bb7c0f89e162bf60033968a20be90a903aJason Sams * @attr ref android.R.styleable#TextView_hint 1738ce125be69531dbf3a7e856d5e59d1b8e2789db0Jason Sams * @attr ref android.R.styleable#TextView_textColor 1748ce125be69531dbf3a7e856d5e59d1b8e2789db0Jason Sams * @attr ref android.R.styleable#TextView_textColorHighlight 1755fd09d847586f9680b4f495413b6ca5fbb69af6eJason Sams * @attr ref android.R.styleable#TextView_textColorHint 1765fd09d847586f9680b4f495413b6ca5fbb69af6eJason Sams * @attr ref android.R.styleable#TextView_textAppearance 1775fd09d847586f9680b4f495413b6ca5fbb69af6eJason Sams * @attr ref android.R.styleable#TextView_textColorLink 178d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * @attr ref android.R.styleable#TextView_textSize 179d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * @attr ref android.R.styleable#TextView_textScaleX 180d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * @attr ref android.R.styleable#TextView_fontFamily 1818ce125be69531dbf3a7e856d5e59d1b8e2789db0Jason Sams * @attr ref android.R.styleable#TextView_typeface 182771565f47fc44608444c00aa8fa3bda769ceaeceJason Sams * @attr ref android.R.styleable#TextView_textStyle 183771565f47fc44608444c00aa8fa3bda769ceaeceJason Sams * @attr ref android.R.styleable#TextView_cursorVisible 184e579df42e85d9e00f53c42ef1b78dbd209dba989Jason Sams * @attr ref android.R.styleable#TextView_maxLines 185a74a8f635ce4fae0a9d4b9c79e9fa412787bf6a2Alex Sakhartchouk * @attr ref android.R.styleable#TextView_maxHeight 186a74a8f635ce4fae0a9d4b9c79e9fa412787bf6a2Alex Sakhartchouk * @attr ref android.R.styleable#TextView_lines 187a74a8f635ce4fae0a9d4b9c79e9fa412787bf6a2Alex Sakhartchouk * @attr ref android.R.styleable#TextView_height 18893eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Sams * @attr ref android.R.styleable#TextView_minLines 18993eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Sams * @attr ref android.R.styleable#TextView_minHeight 19093eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Sams * @attr ref android.R.styleable#TextView_maxEms 19193eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Sams * @attr ref android.R.styleable#TextView_maxWidth 19293eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Sams * @attr ref android.R.styleable#TextView_ems 19393eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Sams * @attr ref android.R.styleable#TextView_width 19493eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Sams * @attr ref android.R.styleable#TextView_minEms 19587319de2b16a185cf360827c96a42cf1fcaae744Jason Sams * @attr ref android.R.styleable#TextView_minWidth 196fcd3192ebff8ab58d841836b7e94361d0998338cJason Sams * @attr ref android.R.styleable#TextView_gravity 19724371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams * @attr ref android.R.styleable#TextView_scrollHorizontally 19824371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams * @attr ref android.R.styleable#TextView_password 19924371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams * @attr ref android.R.styleable#TextView_singleLine 20024371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams * @attr ref android.R.styleable#TextView_selectAllOnFocus 20124371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams * @attr ref android.R.styleable#TextView_includeFontPadding 20224371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams * @attr ref android.R.styleable#TextView_maxLength 20324371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams * @attr ref android.R.styleable#TextView_shadowColor 20424371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams * @attr ref android.R.styleable#TextView_shadowDx 20524371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams * @attr ref android.R.styleable#TextView_shadowDy 20624371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams * @attr ref android.R.styleable#TextView_shadowRadius 20724371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams * @attr ref android.R.styleable#TextView_autoLink 20824371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams * @attr ref android.R.styleable#TextView_linksClickable 20924371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams * @attr ref android.R.styleable#TextView_numeric 2101d54f10f3c23e0d7ec57e52ec3b0701a2a5ed24eJason Sams * @attr ref android.R.styleable#TextView_digits 21124371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams * @attr ref android.R.styleable#TextView_phoneNumber 2121fddd90849deaae89b546ff492c345d485bbce42Jason Sams * @attr ref android.R.styleable#TextView_inputMethod 2131fddd90849deaae89b546ff492c345d485bbce42Jason Sams * @attr ref android.R.styleable#TextView_capitalize 2141fddd90849deaae89b546ff492c345d485bbce42Jason Sams * @attr ref android.R.styleable#TextView_autoText 2151fddd90849deaae89b546ff492c345d485bbce42Jason Sams * @attr ref android.R.styleable#TextView_editable 216cd50653f99c960e1a47c2c30e53b369b8805344aJason Sams * @attr ref android.R.styleable#TextView_freezesText 217886f11ade9dde05485cb11c0d67d87f76a428f6cAlex Sakhartchouk * @attr ref android.R.styleable#TextView_ellipsize 218886f11ade9dde05485cb11c0d67d87f76a428f6cAlex Sakhartchouk * @attr ref android.R.styleable#TextView_drawableTop 2190cae59f7d8dd63d1bf0ca4abedecb4cfa3ab1921Alex Sakhartchouk * @attr ref android.R.styleable#TextView_drawableBottom 220d1f7da6803a1bfc0bf8129a66316cfb8994e7110Jason Sams * @attr ref android.R.styleable#TextView_drawableRight 2211fddd90849deaae89b546ff492c345d485bbce42Jason Sams * @attr ref android.R.styleable#TextView_drawableLeft 22276371fff76412fd020e24ddb8bf1ddb5c75f0ed1Joe Onorato * @attr ref android.R.styleable#TextView_drawableStart 2232382aba4a55c6ae74789c478eead8fbd96593321Jason Sams * @attr ref android.R.styleable#TextView_drawableEnd 2242382aba4a55c6ae74789c478eead8fbd96593321Jason Sams * @attr ref android.R.styleable#TextView_drawablePadding 2252382aba4a55c6ae74789c478eead8fbd96593321Jason Sams * @attr ref android.R.styleable#TextView_drawableTint 2262382aba4a55c6ae74789c478eead8fbd96593321Jason Sams * @attr ref android.R.styleable#TextView_drawableTintMode 2272382aba4a55c6ae74789c478eead8fbd96593321Jason Sams * @attr ref android.R.styleable#TextView_lineSpacingExtra 2282382aba4a55c6ae74789c478eead8fbd96593321Jason Sams * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 2292382aba4a55c6ae74789c478eead8fbd96593321Jason Sams * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 2302382aba4a55c6ae74789c478eead8fbd96593321Jason Sams * @attr ref android.R.styleable#TextView_inputType 23113e2634a71a30d289ed8d821aef61c7d1687460eJason Sams * @attr ref android.R.styleable#TextView_imeOptions 23287319de2b16a185cf360827c96a42cf1fcaae744Jason Sams * @attr ref android.R.styleable#TextView_privateImeOptions 23313e2634a71a30d289ed8d821aef61c7d1687460eJason Sams * @attr ref android.R.styleable#TextView_imeActionLabel 234e514b45de8561fbc6ef6770845102ca10b0a69d7Jason Sams * @attr ref android.R.styleable#TextView_imeActionId 235e514b45de8561fbc6ef6770845102ca10b0a69d7Jason Sams * @attr ref android.R.styleable#TextView_editorExtras 2367b3e9bd825901e33661e3c385e3e7c6f40ca6000Alex Sakhartchouk * @attr ref android.R.styleable#TextView_elegantTextHeight 2377b3e9bd825901e33661e3c385e3e7c6f40ca6000Alex Sakhartchouk * @attr ref android.R.styleable#TextView_letterSpacing 2387bf29ddc35450d8064541c42c99a1f48be6cf0ddJason Sams * @attr ref android.R.styleable#TextView_fontFeatureSettings 239cbb0b8aceedb9146ba901cba1fbd6d1e9ca88f51Stephen Hines */ 240cbb0b8aceedb9146ba901cba1fbd6d1e9ca88f51Stephen Hines@RemoteView 241cbb0b8aceedb9146ba901cba1fbd6d1e9ca88f51Stephen Hinespublic class TextView extends View implements ViewTreeObserver.OnPreDrawListener { 242cca3d6ca444bef3b6d75431ec19bd07bfe40a733Stephen Hines static final String LOG_TAG = "TextView"; 243cca3d6ca444bef3b6d75431ec19bd07bfe40a733Stephen Hines static final boolean DEBUG_EXTRACT = false; 244cca3d6ca444bef3b6d75431ec19bd07bfe40a733Stephen Hines 245326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams // Enum for the "typeface" XML parameter. 2464b3de47071d875faaa7d419d050a464b09538797Jason Sams // TODO: How can we get this from the XML instead of hardcoding it here? 247326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams private static final int SANS = 1; 248cbb0b8aceedb9146ba901cba1fbd6d1e9ca88f51Stephen Hines private static final int SERIF = 2; 2497b3e9bd825901e33661e3c385e3e7c6f40ca6000Alex Sakhartchouk private static final int MONOSPACE = 3; 250613cad1702dbb76eb2a6ba0cfcb43b9fe207cebcJason Sams 251613cad1702dbb76eb2a6ba0cfcb43b9fe207cebcJason Sams // Bitfield for the "numeric" XML parameter. 2522dca84dd6c07992f78ad050177975f16486dd77eJason Sams // TODO: How can we get this from the XML instead of hardcoding it here? 2534820e8bb83b1f78e6232ebe853221f737da2a1eaJason Sams private static final int SIGNED = 2; 254613cad1702dbb76eb2a6ba0cfcb43b9fe207cebcJason Sams private static final int DECIMAL = 4; 2550e92fa3775b3537c29a7a0ca603d892548936038Tim Murray 2560e92fa3775b3537c29a7a0ca603d892548936038Tim Murray /** 257cca3d6ca444bef3b6d75431ec19bd07bfe40a733Stephen Hines * Draw marquee text with fading edges as usual 258cca3d6ca444bef3b6d75431ec19bd07bfe40a733Stephen Hines */ 259326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams private static final int MARQUEE_FADE_NORMAL = 0; 260326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams 26186f1b23aaaf9b8822a009d8c3e585e46768abb6aJason Sams /** 26287319de2b16a185cf360827c96a42cf1fcaae744Jason Sams * Draw marquee text as ellipsize end while inactive instead of with the fade. 263326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams * (Useful for devices where the fade can be expensive if overdone) 264326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams */ 265158324456b8dbf40f684dd0a4af3493b9549f3f5Jason Sams private static final int MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS = 1; 266326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams 267326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams /** 26893eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Sams * Draw marquee text with fading edges because it is currently active/animating. 269326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams */ 270326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams private static final int MARQUEE_FADE_SWITCH_SHOW_FADE = 2; 271ccc010bb7c0f89e162bf60033968a20be90a903aJason Sams 2725fd09d847586f9680b4f495413b6ca5fbb69af6eJason Sams private static final int LINES = 1; 273d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk private static final int EMS = LINES; 27493eacc7ce0aad4314b4cb41a281f59ce54bb3286Jason Sams private static final int PIXELS = 2; 2755086938044e0a9b6b1138f915d0d252fe046e102Jason Sams 2760cae59f7d8dd63d1bf0ca4abedecb4cfa3ab1921Alex Sakhartchouk private static final RectF TEMP_RECTF = new RectF(); 2770cae59f7d8dd63d1bf0ca4abedecb4cfa3ab1921Alex Sakhartchouk 278326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams // XXX should be much larger 279326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams private static final int VERY_WIDE = 1024*1024; 2805c1c79a54c63b9de8c391f7ed890c02f280ec17fJason Sams private static final int ANIMATED_SCROLL_GAP = 250; 281326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams 2824d252d6e807b89764dad123ac845df298c52ca97Tim Murray private static final InputFilter[] NO_FILTERS = new InputFilter[0]; 2835c1c79a54c63b9de8c391f7ed890c02f280ec17fJason Sams private static final Spanned EMPTY_SPANNED = new SpannedString(""); 28433b6e3b91329080e5cdd0b8fdbcd3e6a906032aeJason Sams 285326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams private static final int CHANGE_WATCHER_PRIORITY = 100; 2862dca84dd6c07992f78ad050177975f16486dd77eJason Sams 287326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams // New state used to change background based on whether this TextView is multiline. 2880c66f0795ad0b45934502820df6d718b9096edfaTim Murray private static final int[] MULTILINE_STATE_SET = { R.attr.state_multiline }; 289326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams 2907bf29ddc35450d8064541c42c99a1f48be6cf0ddJason Sams // System wide time for last cut or copy action. 291326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams static long LAST_CUT_OR_COPY_TIME; 2927257c7ee4b66f00c43d9235f3ac600061ae79968Alex Sakhartchouk 293b81a0eb8180791e4eaab1253b59fa8bd562b046bAlex Sakhartchouk private ColorStateList mTextColor; 294a0a1b6fbece2eb8d72d788422ab3e5f58d5a9216Jason Sams private ColorStateList mHintTextColor; 295a0a1b6fbece2eb8d72d788422ab3e5f58d5a9216Jason Sams private ColorStateList mLinkTextColor; 29624371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams @ViewDebug.ExportedProperty(category = "text") 29724371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams private int mCurTextColor; 29824371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams private int mCurHintTextColor; 29924371d93cdb6999971c4058f78974da3c3d5fc64Jason Sams private boolean mFreezesText; 3001d54f10f3c23e0d7ec57e52ec3b0701a2a5ed24eJason Sams private boolean mDispatchTemporaryDetach; 3011d54f10f3c23e0d7ec57e52ec3b0701a2a5ed24eJason Sams 3022dca84dd6c07992f78ad050177975f16486dd77eJason Sams /** Whether this view is temporarily detached from the parent view. */ 3032dca84dd6c07992f78ad050177975f16486dd77eJason Sams boolean mTemporaryDetach; 3042dca84dd6c07992f78ad050177975f16486dd77eJason Sams 305c8fb69e4a3e01501a3d38a6d3ea185e583d3f493Alex Sakhartchouk private Editable.Factory mEditableFactory = Editable.Factory.getInstance(); 306c8fb69e4a3e01501a3d38a6d3ea185e583d3f493Alex Sakhartchouk private Spannable.Factory mSpannableFactory = Spannable.Factory.getInstance(); 307c8fb69e4a3e01501a3d38a6d3ea185e583d3f493Alex Sakhartchouk 308326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams private float mShadowRadius, mShadowDx, mShadowDy; 309326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams private int mShadowColor; 31077d9f4bd05b2d2a161f30c12a2248f9c97eaac42Alex Sakhartchouk 31177d9f4bd05b2d2a161f30c12a2248f9c97eaac42Alex Sakhartchouk private boolean mPreDrawRegistered; 312326e0ddf89e8df2837752fbfd7a014814b32082cJason Sams private boolean mPreDrawListenerDetached; 313 314 // A flag to prevent repeated movements from escaping the enclosing text view. The idea here is 315 // that if a user is holding down a movement key to traverse text, we shouldn't also traverse 316 // the view hierarchy. On the other hand, if the user is using the movement key to traverse views 317 // (i.e. the first movement was to traverse out of this view, or this view was traversed into by 318 // the user holding the movement key down) then we shouldn't prevent the focus from changing. 319 private boolean mPreventDefaultMovement; 320 321 private TextUtils.TruncateAt mEllipsize; 322 323 static class Drawables { 324 static final int LEFT = 0; 325 static final int TOP = 1; 326 static final int RIGHT = 2; 327 static final int BOTTOM = 3; 328 329 static final int DRAWABLE_NONE = -1; 330 static final int DRAWABLE_RIGHT = 0; 331 static final int DRAWABLE_LEFT = 1; 332 333 final Rect mCompoundRect = new Rect(); 334 335 final Drawable[] mShowing = new Drawable[4]; 336 337 ColorStateList mTintList; 338 PorterDuff.Mode mTintMode; 339 boolean mHasTint; 340 boolean mHasTintMode; 341 342 Drawable mDrawableStart, mDrawableEnd, mDrawableError, mDrawableTemp; 343 Drawable mDrawableLeftInitial, mDrawableRightInitial; 344 345 boolean mIsRtlCompatibilityMode; 346 boolean mOverride; 347 348 int mDrawableSizeTop, mDrawableSizeBottom, mDrawableSizeLeft, mDrawableSizeRight, 349 mDrawableSizeStart, mDrawableSizeEnd, mDrawableSizeError, mDrawableSizeTemp; 350 351 int mDrawableWidthTop, mDrawableWidthBottom, mDrawableHeightLeft, mDrawableHeightRight, 352 mDrawableHeightStart, mDrawableHeightEnd, mDrawableHeightError, mDrawableHeightTemp; 353 354 int mDrawablePadding; 355 356 int mDrawableSaved = DRAWABLE_NONE; 357 358 public Drawables(Context context) { 359 final int targetSdkVersion = context.getApplicationInfo().targetSdkVersion; 360 mIsRtlCompatibilityMode = (targetSdkVersion < JELLY_BEAN_MR1 || 361 !context.getApplicationInfo().hasRtlSupport()); 362 mOverride = false; 363 } 364 365 public void resolveWithLayoutDirection(int layoutDirection) { 366 // First reset "left" and "right" drawables to their initial values 367 mShowing[Drawables.LEFT] = mDrawableLeftInitial; 368 mShowing[Drawables.RIGHT] = mDrawableRightInitial; 369 370 if (mIsRtlCompatibilityMode) { 371 // Use "start" drawable as "left" drawable if the "left" drawable was not defined 372 if (mDrawableStart != null && mShowing[Drawables.LEFT] == null) { 373 mShowing[Drawables.LEFT] = mDrawableStart; 374 mDrawableSizeLeft = mDrawableSizeStart; 375 mDrawableHeightLeft = mDrawableHeightStart; 376 } 377 // Use "end" drawable as "right" drawable if the "right" drawable was not defined 378 if (mDrawableEnd != null && mShowing[Drawables.RIGHT] == null) { 379 mShowing[Drawables.RIGHT] = mDrawableEnd; 380 mDrawableSizeRight = mDrawableSizeEnd; 381 mDrawableHeightRight = mDrawableHeightEnd; 382 } 383 } else { 384 // JB-MR1+ normal case: "start" / "end" drawables are overriding "left" / "right" 385 // drawable if and only if they have been defined 386 switch(layoutDirection) { 387 case LAYOUT_DIRECTION_RTL: 388 if (mOverride) { 389 mShowing[Drawables.RIGHT] = mDrawableStart; 390 mDrawableSizeRight = mDrawableSizeStart; 391 mDrawableHeightRight = mDrawableHeightStart; 392 393 mShowing[Drawables.LEFT] = mDrawableEnd; 394 mDrawableSizeLeft = mDrawableSizeEnd; 395 mDrawableHeightLeft = mDrawableHeightEnd; 396 } 397 break; 398 399 case LAYOUT_DIRECTION_LTR: 400 default: 401 if (mOverride) { 402 mShowing[Drawables.LEFT] = mDrawableStart; 403 mDrawableSizeLeft = mDrawableSizeStart; 404 mDrawableHeightLeft = mDrawableHeightStart; 405 406 mShowing[Drawables.RIGHT] = mDrawableEnd; 407 mDrawableSizeRight = mDrawableSizeEnd; 408 mDrawableHeightRight = mDrawableHeightEnd; 409 } 410 break; 411 } 412 } 413 applyErrorDrawableIfNeeded(layoutDirection); 414 updateDrawablesLayoutDirection(layoutDirection); 415 } 416 417 private void updateDrawablesLayoutDirection(int layoutDirection) { 418 for (Drawable dr : mShowing) { 419 if (dr != null) { 420 dr.setLayoutDirection(layoutDirection); 421 } 422 } 423 } 424 425 public void setErrorDrawable(Drawable dr, TextView tv) { 426 if (mDrawableError != dr && mDrawableError != null) { 427 mDrawableError.setCallback(null); 428 } 429 mDrawableError = dr; 430 431 if (mDrawableError != null) { 432 final Rect compoundRect = mCompoundRect; 433 final int[] state = tv.getDrawableState(); 434 435 mDrawableError.setState(state); 436 mDrawableError.copyBounds(compoundRect); 437 mDrawableError.setCallback(tv); 438 mDrawableSizeError = compoundRect.width(); 439 mDrawableHeightError = compoundRect.height(); 440 } else { 441 mDrawableSizeError = mDrawableHeightError = 0; 442 } 443 } 444 445 private void applyErrorDrawableIfNeeded(int layoutDirection) { 446 // first restore the initial state if needed 447 switch (mDrawableSaved) { 448 case DRAWABLE_LEFT: 449 mShowing[Drawables.LEFT] = mDrawableTemp; 450 mDrawableSizeLeft = mDrawableSizeTemp; 451 mDrawableHeightLeft = mDrawableHeightTemp; 452 break; 453 case DRAWABLE_RIGHT: 454 mShowing[Drawables.RIGHT] = mDrawableTemp; 455 mDrawableSizeRight = mDrawableSizeTemp; 456 mDrawableHeightRight = mDrawableHeightTemp; 457 break; 458 case DRAWABLE_NONE: 459 default: 460 } 461 // then, if needed, assign the Error drawable to the correct location 462 if (mDrawableError != null) { 463 switch(layoutDirection) { 464 case LAYOUT_DIRECTION_RTL: 465 mDrawableSaved = DRAWABLE_LEFT; 466 467 mDrawableTemp = mShowing[Drawables.LEFT]; 468 mDrawableSizeTemp = mDrawableSizeLeft; 469 mDrawableHeightTemp = mDrawableHeightLeft; 470 471 mShowing[Drawables.LEFT] = mDrawableError; 472 mDrawableSizeLeft = mDrawableSizeError; 473 mDrawableHeightLeft = mDrawableHeightError; 474 break; 475 case LAYOUT_DIRECTION_LTR: 476 default: 477 mDrawableSaved = DRAWABLE_RIGHT; 478 479 mDrawableTemp = mShowing[Drawables.RIGHT]; 480 mDrawableSizeTemp = mDrawableSizeRight; 481 mDrawableHeightTemp = mDrawableHeightRight; 482 483 mShowing[Drawables.RIGHT] = mDrawableError; 484 mDrawableSizeRight = mDrawableSizeError; 485 mDrawableHeightRight = mDrawableHeightError; 486 break; 487 } 488 } 489 } 490 } 491 492 Drawables mDrawables; 493 494 private CharWrapper mCharWrapper; 495 496 private Marquee mMarquee; 497 private boolean mRestartMarquee; 498 499 private int mMarqueeRepeatLimit = 3; 500 501 private int mLastLayoutDirection = -1; 502 503 /** 504 * On some devices the fading edges add a performance penalty if used 505 * extensively in the same layout. This mode indicates how the marquee 506 * is currently being shown, if applicable. (mEllipsize will == MARQUEE) 507 */ 508 private int mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 509 510 /** 511 * When mMarqueeFadeMode is not MARQUEE_FADE_NORMAL, this stores 512 * the layout that should be used when the mode switches. 513 */ 514 private Layout mSavedMarqueeModeLayout; 515 516 @ViewDebug.ExportedProperty(category = "text") 517 private CharSequence mText; 518 private CharSequence mTransformed; 519 private BufferType mBufferType = BufferType.NORMAL; 520 521 private CharSequence mHint; 522 private Layout mHintLayout; 523 524 private MovementMethod mMovement; 525 526 private TransformationMethod mTransformation; 527 private boolean mAllowTransformationLengthChange; 528 private ChangeWatcher mChangeWatcher; 529 530 private ArrayList<TextWatcher> mListeners; 531 532 // display attributes 533 private final TextPaint mTextPaint; 534 private boolean mUserSetTextScaleX; 535 private Layout mLayout; 536 private boolean mLocaleChanged = false; 537 538 private int mGravity = Gravity.TOP | Gravity.START; 539 private boolean mHorizontallyScrolling; 540 541 private int mAutoLinkMask; 542 private boolean mLinksClickable = true; 543 544 private float mSpacingMult = 1.0f; 545 private float mSpacingAdd = 0.0f; 546 547 private int mMaximum = Integer.MAX_VALUE; 548 private int mMaxMode = LINES; 549 private int mMinimum = 0; 550 private int mMinMode = LINES; 551 552 private int mOldMaximum = mMaximum; 553 private int mOldMaxMode = mMaxMode; 554 555 private int mMaxWidth = Integer.MAX_VALUE; 556 private int mMaxWidthMode = PIXELS; 557 private int mMinWidth = 0; 558 private int mMinWidthMode = PIXELS; 559 560 private boolean mSingleLine; 561 private int mDesiredHeightAtMeasure = -1; 562 private boolean mIncludePad = true; 563 private int mDeferScroll = -1; 564 565 // tmp primitives, so we don't alloc them on each draw 566 private Rect mTempRect; 567 private long mLastScroll; 568 private Scroller mScroller; 569 570 private BoringLayout.Metrics mBoring, mHintBoring; 571 private BoringLayout mSavedLayout, mSavedHintLayout; 572 573 private TextDirectionHeuristic mTextDir; 574 575 private InputFilter[] mFilters = NO_FILTERS; 576 577 private volatile Locale mCurrentSpellCheckerLocaleCache; 578 579 // It is possible to have a selection even when mEditor is null (programmatically set, like when 580 // a link is pressed). These highlight-related fields do not go in mEditor. 581 int mHighlightColor = 0x6633B5E5; 582 private Path mHighlightPath; 583 private final Paint mHighlightPaint; 584 private boolean mHighlightPathBogus = true; 585 586 // Although these fields are specific to editable text, they are not added to Editor because 587 // they are defined by the TextView's style and are theme-dependent. 588 int mCursorDrawableRes; 589 // These four fields, could be moved to Editor, since we know their default values and we 590 // could condition the creation of the Editor to a non standard value. This is however 591 // brittle since the hardcoded values here (such as 592 // com.android.internal.R.drawable.text_select_handle_left) would have to be updated if the 593 // default style is modified. 594 int mTextSelectHandleLeftRes; 595 int mTextSelectHandleRightRes; 596 int mTextSelectHandleRes; 597 int mTextEditSuggestionItemLayout; 598 599 /** 600 * EditText specific data, created on demand when one of the Editor fields is used. 601 * See {@link #createEditorIfNeeded()}. 602 */ 603 private Editor mEditor; 604 605 /* 606 * Kick-start the font cache for the zygote process (to pay the cost of 607 * initializing freetype for our default font only once). 608 */ 609 static { 610 Paint p = new Paint(); 611 p.setAntiAlias(true); 612 // We don't care about the result, just the side-effect of measuring. 613 p.measureText("H"); 614 } 615 616 /** 617 * Interface definition for a callback to be invoked when an action is 618 * performed on the editor. 619 */ 620 public interface OnEditorActionListener { 621 /** 622 * Called when an action is being performed. 623 * 624 * @param v The view that was clicked. 625 * @param actionId Identifier of the action. This will be either the 626 * identifier you supplied, or {@link EditorInfo#IME_NULL 627 * EditorInfo.IME_NULL} if being called due to the enter key 628 * being pressed. 629 * @param event If triggered by an enter key, this is the event; 630 * otherwise, this is null. 631 * @return Return true if you have consumed the action, else false. 632 */ 633 boolean onEditorAction(TextView v, int actionId, KeyEvent event); 634 } 635 636 public TextView(Context context) { 637 this(context, null); 638 } 639 640 public TextView(Context context, @Nullable AttributeSet attrs) { 641 this(context, attrs, com.android.internal.R.attr.textViewStyle); 642 } 643 644 public TextView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { 645 this(context, attrs, defStyleAttr, 0); 646 } 647 648 @SuppressWarnings("deprecation") 649 public TextView( 650 Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) { 651 super(context, attrs, defStyleAttr, defStyleRes); 652 653 mText = ""; 654 655 final Resources res = getResources(); 656 final CompatibilityInfo compat = res.getCompatibilityInfo(); 657 658 mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG); 659 mTextPaint.density = res.getDisplayMetrics().density; 660 mTextPaint.setCompatibilityScaling(compat.applicationScale); 661 662 mHighlightPaint = new Paint(Paint.ANTI_ALIAS_FLAG); 663 mHighlightPaint.setCompatibilityScaling(compat.applicationScale); 664 665 mMovement = getDefaultMovementMethod(); 666 667 mTransformation = null; 668 669 int textColorHighlight = 0; 670 ColorStateList textColor = null; 671 ColorStateList textColorHint = null; 672 ColorStateList textColorLink = null; 673 int textSize = 15; 674 String fontFamily = null; 675 boolean fontFamilyExplicit = false; 676 int typefaceIndex = -1; 677 int styleIndex = -1; 678 boolean allCaps = false; 679 int shadowcolor = 0; 680 float dx = 0, dy = 0, r = 0; 681 boolean elegant = false; 682 float letterSpacing = 0; 683 String fontFeatureSettings = null; 684 685 final Resources.Theme theme = context.getTheme(); 686 687 /* 688 * Look the appearance up without checking first if it exists because 689 * almost every TextView has one and it greatly simplifies the logic 690 * to be able to parse the appearance first and then let specific tags 691 * for this View override it. 692 */ 693 TypedArray a = theme.obtainStyledAttributes(attrs, 694 com.android.internal.R.styleable.TextViewAppearance, defStyleAttr, defStyleRes); 695 TypedArray appearance = null; 696 int ap = a.getResourceId( 697 com.android.internal.R.styleable.TextViewAppearance_textAppearance, -1); 698 a.recycle(); 699 if (ap != -1) { 700 appearance = theme.obtainStyledAttributes( 701 ap, com.android.internal.R.styleable.TextAppearance); 702 } 703 if (appearance != null) { 704 int n = appearance.getIndexCount(); 705 for (int i = 0; i < n; i++) { 706 int attr = appearance.getIndex(i); 707 708 switch (attr) { 709 case com.android.internal.R.styleable.TextAppearance_textColorHighlight: 710 textColorHighlight = appearance.getColor(attr, textColorHighlight); 711 break; 712 713 case com.android.internal.R.styleable.TextAppearance_textColor: 714 textColor = appearance.getColorStateList(attr); 715 break; 716 717 case com.android.internal.R.styleable.TextAppearance_textColorHint: 718 textColorHint = appearance.getColorStateList(attr); 719 break; 720 721 case com.android.internal.R.styleable.TextAppearance_textColorLink: 722 textColorLink = appearance.getColorStateList(attr); 723 break; 724 725 case com.android.internal.R.styleable.TextAppearance_textSize: 726 textSize = appearance.getDimensionPixelSize(attr, textSize); 727 break; 728 729 case com.android.internal.R.styleable.TextAppearance_typeface: 730 typefaceIndex = appearance.getInt(attr, -1); 731 break; 732 733 case com.android.internal.R.styleable.TextAppearance_fontFamily: 734 fontFamily = appearance.getString(attr); 735 break; 736 737 case com.android.internal.R.styleable.TextAppearance_textStyle: 738 styleIndex = appearance.getInt(attr, -1); 739 break; 740 741 case com.android.internal.R.styleable.TextAppearance_textAllCaps: 742 allCaps = appearance.getBoolean(attr, false); 743 break; 744 745 case com.android.internal.R.styleable.TextAppearance_shadowColor: 746 shadowcolor = appearance.getInt(attr, 0); 747 break; 748 749 case com.android.internal.R.styleable.TextAppearance_shadowDx: 750 dx = appearance.getFloat(attr, 0); 751 break; 752 753 case com.android.internal.R.styleable.TextAppearance_shadowDy: 754 dy = appearance.getFloat(attr, 0); 755 break; 756 757 case com.android.internal.R.styleable.TextAppearance_shadowRadius: 758 r = appearance.getFloat(attr, 0); 759 break; 760 761 case com.android.internal.R.styleable.TextAppearance_elegantTextHeight: 762 elegant = appearance.getBoolean(attr, false); 763 break; 764 765 case com.android.internal.R.styleable.TextAppearance_letterSpacing: 766 letterSpacing = appearance.getFloat(attr, 0); 767 break; 768 769 case com.android.internal.R.styleable.TextAppearance_fontFeatureSettings: 770 fontFeatureSettings = appearance.getString(attr); 771 break; 772 } 773 } 774 775 appearance.recycle(); 776 } 777 778 boolean editable = getDefaultEditable(); 779 CharSequence inputMethod = null; 780 int numeric = 0; 781 CharSequence digits = null; 782 boolean phone = false; 783 boolean autotext = false; 784 int autocap = -1; 785 int buffertype = 0; 786 boolean selectallonfocus = false; 787 Drawable drawableLeft = null, drawableTop = null, drawableRight = null, 788 drawableBottom = null, drawableStart = null, drawableEnd = null; 789 ColorStateList drawableTint = null; 790 PorterDuff.Mode drawableTintMode = null; 791 int drawablePadding = 0; 792 int ellipsize = -1; 793 boolean singleLine = false; 794 int maxlength = -1; 795 CharSequence text = ""; 796 CharSequence hint = null; 797 boolean password = false; 798 int inputType = EditorInfo.TYPE_NULL; 799 800 a = theme.obtainStyledAttributes( 801 attrs, com.android.internal.R.styleable.TextView, defStyleAttr, defStyleRes); 802 803 int n = a.getIndexCount(); 804 for (int i = 0; i < n; i++) { 805 int attr = a.getIndex(i); 806 807 switch (attr) { 808 case com.android.internal.R.styleable.TextView_editable: 809 editable = a.getBoolean(attr, editable); 810 break; 811 812 case com.android.internal.R.styleable.TextView_inputMethod: 813 inputMethod = a.getText(attr); 814 break; 815 816 case com.android.internal.R.styleable.TextView_numeric: 817 numeric = a.getInt(attr, numeric); 818 break; 819 820 case com.android.internal.R.styleable.TextView_digits: 821 digits = a.getText(attr); 822 break; 823 824 case com.android.internal.R.styleable.TextView_phoneNumber: 825 phone = a.getBoolean(attr, phone); 826 break; 827 828 case com.android.internal.R.styleable.TextView_autoText: 829 autotext = a.getBoolean(attr, autotext); 830 break; 831 832 case com.android.internal.R.styleable.TextView_capitalize: 833 autocap = a.getInt(attr, autocap); 834 break; 835 836 case com.android.internal.R.styleable.TextView_bufferType: 837 buffertype = a.getInt(attr, buffertype); 838 break; 839 840 case com.android.internal.R.styleable.TextView_selectAllOnFocus: 841 selectallonfocus = a.getBoolean(attr, selectallonfocus); 842 break; 843 844 case com.android.internal.R.styleable.TextView_autoLink: 845 mAutoLinkMask = a.getInt(attr, 0); 846 break; 847 848 case com.android.internal.R.styleable.TextView_linksClickable: 849 mLinksClickable = a.getBoolean(attr, true); 850 break; 851 852 case com.android.internal.R.styleable.TextView_drawableLeft: 853 drawableLeft = a.getDrawable(attr); 854 break; 855 856 case com.android.internal.R.styleable.TextView_drawableTop: 857 drawableTop = a.getDrawable(attr); 858 break; 859 860 case com.android.internal.R.styleable.TextView_drawableRight: 861 drawableRight = a.getDrawable(attr); 862 break; 863 864 case com.android.internal.R.styleable.TextView_drawableBottom: 865 drawableBottom = a.getDrawable(attr); 866 break; 867 868 case com.android.internal.R.styleable.TextView_drawableStart: 869 drawableStart = a.getDrawable(attr); 870 break; 871 872 case com.android.internal.R.styleable.TextView_drawableEnd: 873 drawableEnd = a.getDrawable(attr); 874 break; 875 876 case com.android.internal.R.styleable.TextView_drawableTint: 877 drawableTint = a.getColorStateList(attr); 878 break; 879 880 case com.android.internal.R.styleable.TextView_drawableTintMode: 881 drawableTintMode = Drawable.parseTintMode(a.getInt(attr, -1), drawableTintMode); 882 break; 883 884 case com.android.internal.R.styleable.TextView_drawablePadding: 885 drawablePadding = a.getDimensionPixelSize(attr, drawablePadding); 886 break; 887 888 case com.android.internal.R.styleable.TextView_maxLines: 889 setMaxLines(a.getInt(attr, -1)); 890 break; 891 892 case com.android.internal.R.styleable.TextView_maxHeight: 893 setMaxHeight(a.getDimensionPixelSize(attr, -1)); 894 break; 895 896 case com.android.internal.R.styleable.TextView_lines: 897 setLines(a.getInt(attr, -1)); 898 break; 899 900 case com.android.internal.R.styleable.TextView_height: 901 setHeight(a.getDimensionPixelSize(attr, -1)); 902 break; 903 904 case com.android.internal.R.styleable.TextView_minLines: 905 setMinLines(a.getInt(attr, -1)); 906 break; 907 908 case com.android.internal.R.styleable.TextView_minHeight: 909 setMinHeight(a.getDimensionPixelSize(attr, -1)); 910 break; 911 912 case com.android.internal.R.styleable.TextView_maxEms: 913 setMaxEms(a.getInt(attr, -1)); 914 break; 915 916 case com.android.internal.R.styleable.TextView_maxWidth: 917 setMaxWidth(a.getDimensionPixelSize(attr, -1)); 918 break; 919 920 case com.android.internal.R.styleable.TextView_ems: 921 setEms(a.getInt(attr, -1)); 922 break; 923 924 case com.android.internal.R.styleable.TextView_width: 925 setWidth(a.getDimensionPixelSize(attr, -1)); 926 break; 927 928 case com.android.internal.R.styleable.TextView_minEms: 929 setMinEms(a.getInt(attr, -1)); 930 break; 931 932 case com.android.internal.R.styleable.TextView_minWidth: 933 setMinWidth(a.getDimensionPixelSize(attr, -1)); 934 break; 935 936 case com.android.internal.R.styleable.TextView_gravity: 937 setGravity(a.getInt(attr, -1)); 938 break; 939 940 case com.android.internal.R.styleable.TextView_hint: 941 hint = a.getText(attr); 942 break; 943 944 case com.android.internal.R.styleable.TextView_text: 945 text = a.getText(attr); 946 break; 947 948 case com.android.internal.R.styleable.TextView_scrollHorizontally: 949 if (a.getBoolean(attr, false)) { 950 setHorizontallyScrolling(true); 951 } 952 break; 953 954 case com.android.internal.R.styleable.TextView_singleLine: 955 singleLine = a.getBoolean(attr, singleLine); 956 break; 957 958 case com.android.internal.R.styleable.TextView_ellipsize: 959 ellipsize = a.getInt(attr, ellipsize); 960 break; 961 962 case com.android.internal.R.styleable.TextView_marqueeRepeatLimit: 963 setMarqueeRepeatLimit(a.getInt(attr, mMarqueeRepeatLimit)); 964 break; 965 966 case com.android.internal.R.styleable.TextView_includeFontPadding: 967 if (!a.getBoolean(attr, true)) { 968 setIncludeFontPadding(false); 969 } 970 break; 971 972 case com.android.internal.R.styleable.TextView_cursorVisible: 973 if (!a.getBoolean(attr, true)) { 974 setCursorVisible(false); 975 } 976 break; 977 978 case com.android.internal.R.styleable.TextView_maxLength: 979 maxlength = a.getInt(attr, -1); 980 break; 981 982 case com.android.internal.R.styleable.TextView_textScaleX: 983 setTextScaleX(a.getFloat(attr, 1.0f)); 984 break; 985 986 case com.android.internal.R.styleable.TextView_freezesText: 987 mFreezesText = a.getBoolean(attr, false); 988 break; 989 990 case com.android.internal.R.styleable.TextView_shadowColor: 991 shadowcolor = a.getInt(attr, 0); 992 break; 993 994 case com.android.internal.R.styleable.TextView_shadowDx: 995 dx = a.getFloat(attr, 0); 996 break; 997 998 case com.android.internal.R.styleable.TextView_shadowDy: 999 dy = a.getFloat(attr, 0); 1000 break; 1001 1002 case com.android.internal.R.styleable.TextView_shadowRadius: 1003 r = a.getFloat(attr, 0); 1004 break; 1005 1006 case com.android.internal.R.styleable.TextView_enabled: 1007 setEnabled(a.getBoolean(attr, isEnabled())); 1008 break; 1009 1010 case com.android.internal.R.styleable.TextView_textColorHighlight: 1011 textColorHighlight = a.getColor(attr, textColorHighlight); 1012 break; 1013 1014 case com.android.internal.R.styleable.TextView_textColor: 1015 textColor = a.getColorStateList(attr); 1016 break; 1017 1018 case com.android.internal.R.styleable.TextView_textColorHint: 1019 textColorHint = a.getColorStateList(attr); 1020 break; 1021 1022 case com.android.internal.R.styleable.TextView_textColorLink: 1023 textColorLink = a.getColorStateList(attr); 1024 break; 1025 1026 case com.android.internal.R.styleable.TextView_textSize: 1027 textSize = a.getDimensionPixelSize(attr, textSize); 1028 break; 1029 1030 case com.android.internal.R.styleable.TextView_typeface: 1031 typefaceIndex = a.getInt(attr, typefaceIndex); 1032 break; 1033 1034 case com.android.internal.R.styleable.TextView_textStyle: 1035 styleIndex = a.getInt(attr, styleIndex); 1036 break; 1037 1038 case com.android.internal.R.styleable.TextView_fontFamily: 1039 fontFamily = a.getString(attr); 1040 fontFamilyExplicit = true; 1041 break; 1042 1043 case com.android.internal.R.styleable.TextView_password: 1044 password = a.getBoolean(attr, password); 1045 break; 1046 1047 case com.android.internal.R.styleable.TextView_lineSpacingExtra: 1048 mSpacingAdd = a.getDimensionPixelSize(attr, (int) mSpacingAdd); 1049 break; 1050 1051 case com.android.internal.R.styleable.TextView_lineSpacingMultiplier: 1052 mSpacingMult = a.getFloat(attr, mSpacingMult); 1053 break; 1054 1055 case com.android.internal.R.styleable.TextView_inputType: 1056 inputType = a.getInt(attr, EditorInfo.TYPE_NULL); 1057 break; 1058 1059 case com.android.internal.R.styleable.TextView_allowUndo: 1060 createEditorIfNeeded(); 1061 mEditor.mAllowUndo = a.getBoolean(attr, true); 1062 break; 1063 1064 case com.android.internal.R.styleable.TextView_imeOptions: 1065 createEditorIfNeeded(); 1066 mEditor.createInputContentTypeIfNeeded(); 1067 mEditor.mInputContentType.imeOptions = a.getInt(attr, 1068 mEditor.mInputContentType.imeOptions); 1069 break; 1070 1071 case com.android.internal.R.styleable.TextView_imeActionLabel: 1072 createEditorIfNeeded(); 1073 mEditor.createInputContentTypeIfNeeded(); 1074 mEditor.mInputContentType.imeActionLabel = a.getText(attr); 1075 break; 1076 1077 case com.android.internal.R.styleable.TextView_imeActionId: 1078 createEditorIfNeeded(); 1079 mEditor.createInputContentTypeIfNeeded(); 1080 mEditor.mInputContentType.imeActionId = a.getInt(attr, 1081 mEditor.mInputContentType.imeActionId); 1082 break; 1083 1084 case com.android.internal.R.styleable.TextView_privateImeOptions: 1085 setPrivateImeOptions(a.getString(attr)); 1086 break; 1087 1088 case com.android.internal.R.styleable.TextView_editorExtras: 1089 try { 1090 setInputExtras(a.getResourceId(attr, 0)); 1091 } catch (XmlPullParserException e) { 1092 Log.w(LOG_TAG, "Failure reading input extras", e); 1093 } catch (IOException e) { 1094 Log.w(LOG_TAG, "Failure reading input extras", e); 1095 } 1096 break; 1097 1098 case com.android.internal.R.styleable.TextView_textCursorDrawable: 1099 mCursorDrawableRes = a.getResourceId(attr, 0); 1100 break; 1101 1102 case com.android.internal.R.styleable.TextView_textSelectHandleLeft: 1103 mTextSelectHandleLeftRes = a.getResourceId(attr, 0); 1104 break; 1105 1106 case com.android.internal.R.styleable.TextView_textSelectHandleRight: 1107 mTextSelectHandleRightRes = a.getResourceId(attr, 0); 1108 break; 1109 1110 case com.android.internal.R.styleable.TextView_textSelectHandle: 1111 mTextSelectHandleRes = a.getResourceId(attr, 0); 1112 break; 1113 1114 case com.android.internal.R.styleable.TextView_textEditSuggestionItemLayout: 1115 mTextEditSuggestionItemLayout = a.getResourceId(attr, 0); 1116 break; 1117 1118 case com.android.internal.R.styleable.TextView_textIsSelectable: 1119 setTextIsSelectable(a.getBoolean(attr, false)); 1120 break; 1121 1122 case com.android.internal.R.styleable.TextView_textAllCaps: 1123 allCaps = a.getBoolean(attr, false); 1124 break; 1125 1126 case com.android.internal.R.styleable.TextView_elegantTextHeight: 1127 elegant = a.getBoolean(attr, false); 1128 break; 1129 1130 case com.android.internal.R.styleable.TextView_letterSpacing: 1131 letterSpacing = a.getFloat(attr, 0); 1132 break; 1133 1134 case com.android.internal.R.styleable.TextView_fontFeatureSettings: 1135 fontFeatureSettings = a.getString(attr); 1136 break; 1137 } 1138 } 1139 a.recycle(); 1140 1141 BufferType bufferType = BufferType.EDITABLE; 1142 1143 final int variation = 1144 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 1145 final boolean passwordInputType = variation 1146 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD); 1147 final boolean webPasswordInputType = variation 1148 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD); 1149 final boolean numberPasswordInputType = variation 1150 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 1151 1152 if (inputMethod != null) { 1153 Class<?> c; 1154 1155 try { 1156 c = Class.forName(inputMethod.toString()); 1157 } catch (ClassNotFoundException ex) { 1158 throw new RuntimeException(ex); 1159 } 1160 1161 try { 1162 createEditorIfNeeded(); 1163 mEditor.mKeyListener = (KeyListener) c.newInstance(); 1164 } catch (InstantiationException ex) { 1165 throw new RuntimeException(ex); 1166 } catch (IllegalAccessException ex) { 1167 throw new RuntimeException(ex); 1168 } 1169 try { 1170 mEditor.mInputType = inputType != EditorInfo.TYPE_NULL 1171 ? inputType 1172 : mEditor.mKeyListener.getInputType(); 1173 } catch (IncompatibleClassChangeError e) { 1174 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1175 } 1176 } else if (digits != null) { 1177 createEditorIfNeeded(); 1178 mEditor.mKeyListener = DigitsKeyListener.getInstance(digits.toString()); 1179 // If no input type was specified, we will default to generic 1180 // text, since we can't tell the IME about the set of digits 1181 // that was selected. 1182 mEditor.mInputType = inputType != EditorInfo.TYPE_NULL 1183 ? inputType : EditorInfo.TYPE_CLASS_TEXT; 1184 } else if (inputType != EditorInfo.TYPE_NULL) { 1185 setInputType(inputType, true); 1186 // If set, the input type overrides what was set using the deprecated singleLine flag. 1187 singleLine = !isMultilineInputType(inputType); 1188 } else if (phone) { 1189 createEditorIfNeeded(); 1190 mEditor.mKeyListener = DialerKeyListener.getInstance(); 1191 mEditor.mInputType = inputType = EditorInfo.TYPE_CLASS_PHONE; 1192 } else if (numeric != 0) { 1193 createEditorIfNeeded(); 1194 mEditor.mKeyListener = DigitsKeyListener.getInstance((numeric & SIGNED) != 0, 1195 (numeric & DECIMAL) != 0); 1196 inputType = EditorInfo.TYPE_CLASS_NUMBER; 1197 if ((numeric & SIGNED) != 0) { 1198 inputType |= EditorInfo.TYPE_NUMBER_FLAG_SIGNED; 1199 } 1200 if ((numeric & DECIMAL) != 0) { 1201 inputType |= EditorInfo.TYPE_NUMBER_FLAG_DECIMAL; 1202 } 1203 mEditor.mInputType = inputType; 1204 } else if (autotext || autocap != -1) { 1205 TextKeyListener.Capitalize cap; 1206 1207 inputType = EditorInfo.TYPE_CLASS_TEXT; 1208 1209 switch (autocap) { 1210 case 1: 1211 cap = TextKeyListener.Capitalize.SENTENCES; 1212 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES; 1213 break; 1214 1215 case 2: 1216 cap = TextKeyListener.Capitalize.WORDS; 1217 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS; 1218 break; 1219 1220 case 3: 1221 cap = TextKeyListener.Capitalize.CHARACTERS; 1222 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS; 1223 break; 1224 1225 default: 1226 cap = TextKeyListener.Capitalize.NONE; 1227 break; 1228 } 1229 1230 createEditorIfNeeded(); 1231 mEditor.mKeyListener = TextKeyListener.getInstance(autotext, cap); 1232 mEditor.mInputType = inputType; 1233 } else if (isTextSelectable()) { 1234 // Prevent text changes from keyboard. 1235 if (mEditor != null) { 1236 mEditor.mKeyListener = null; 1237 mEditor.mInputType = EditorInfo.TYPE_NULL; 1238 } 1239 bufferType = BufferType.SPANNABLE; 1240 // So that selection can be changed using arrow keys and touch is handled. 1241 setMovementMethod(ArrowKeyMovementMethod.getInstance()); 1242 } else if (editable) { 1243 createEditorIfNeeded(); 1244 mEditor.mKeyListener = TextKeyListener.getInstance(); 1245 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1246 } else { 1247 if (mEditor != null) mEditor.mKeyListener = null; 1248 1249 switch (buffertype) { 1250 case 0: 1251 bufferType = BufferType.NORMAL; 1252 break; 1253 case 1: 1254 bufferType = BufferType.SPANNABLE; 1255 break; 1256 case 2: 1257 bufferType = BufferType.EDITABLE; 1258 break; 1259 } 1260 } 1261 1262 if (mEditor != null) mEditor.adjustInputType(password, passwordInputType, 1263 webPasswordInputType, numberPasswordInputType); 1264 1265 if (selectallonfocus) { 1266 createEditorIfNeeded(); 1267 mEditor.mSelectAllOnFocus = true; 1268 1269 if (bufferType == BufferType.NORMAL) 1270 bufferType = BufferType.SPANNABLE; 1271 } 1272 1273 // Set up the tint (if needed) before setting the drawables so that it 1274 // gets applied correctly. 1275 if (drawableTint != null || drawableTintMode != null) { 1276 if (mDrawables == null) { 1277 mDrawables = new Drawables(context); 1278 } 1279 if (drawableTint != null) { 1280 mDrawables.mTintList = drawableTint; 1281 mDrawables.mHasTint = true; 1282 } 1283 if (drawableTintMode != null) { 1284 mDrawables.mTintMode = drawableTintMode; 1285 mDrawables.mHasTintMode = true; 1286 } 1287 } 1288 1289 // This call will save the initial left/right drawables 1290 setCompoundDrawablesWithIntrinsicBounds( 1291 drawableLeft, drawableTop, drawableRight, drawableBottom); 1292 setRelativeDrawablesIfNeeded(drawableStart, drawableEnd); 1293 setCompoundDrawablePadding(drawablePadding); 1294 1295 // Same as setSingleLine(), but make sure the transformation method and the maximum number 1296 // of lines of height are unchanged for multi-line TextViews. 1297 setInputTypeSingleLine(singleLine); 1298 applySingleLine(singleLine, singleLine, singleLine); 1299 1300 if (singleLine && getKeyListener() == null && ellipsize < 0) { 1301 ellipsize = 3; // END 1302 } 1303 1304 switch (ellipsize) { 1305 case 1: 1306 setEllipsize(TextUtils.TruncateAt.START); 1307 break; 1308 case 2: 1309 setEllipsize(TextUtils.TruncateAt.MIDDLE); 1310 break; 1311 case 3: 1312 setEllipsize(TextUtils.TruncateAt.END); 1313 break; 1314 case 4: 1315 if (ViewConfiguration.get(context).isFadingMarqueeEnabled()) { 1316 setHorizontalFadingEdgeEnabled(true); 1317 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 1318 } else { 1319 setHorizontalFadingEdgeEnabled(false); 1320 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 1321 } 1322 setEllipsize(TextUtils.TruncateAt.MARQUEE); 1323 break; 1324 } 1325 1326 setTextColor(textColor != null ? textColor : ColorStateList.valueOf(0xFF000000)); 1327 setHintTextColor(textColorHint); 1328 setLinkTextColor(textColorLink); 1329 if (textColorHighlight != 0) { 1330 setHighlightColor(textColorHighlight); 1331 } 1332 setRawTextSize(textSize); 1333 setElegantTextHeight(elegant); 1334 setLetterSpacing(letterSpacing); 1335 setFontFeatureSettings(fontFeatureSettings); 1336 1337 if (allCaps) { 1338 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 1339 } 1340 1341 if (password || passwordInputType || webPasswordInputType || numberPasswordInputType) { 1342 setTransformationMethod(PasswordTransformationMethod.getInstance()); 1343 typefaceIndex = MONOSPACE; 1344 } else if (mEditor != null && 1345 (mEditor.mInputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION)) 1346 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD)) { 1347 typefaceIndex = MONOSPACE; 1348 } 1349 1350 if (typefaceIndex != -1 && !fontFamilyExplicit) { 1351 fontFamily = null; 1352 } 1353 setTypefaceFromAttrs(fontFamily, typefaceIndex, styleIndex); 1354 1355 if (shadowcolor != 0) { 1356 setShadowLayer(r, dx, dy, shadowcolor); 1357 } 1358 1359 if (maxlength >= 0) { 1360 setFilters(new InputFilter[] { new InputFilter.LengthFilter(maxlength) }); 1361 } else { 1362 setFilters(NO_FILTERS); 1363 } 1364 1365 setText(text, bufferType); 1366 if (hint != null) setHint(hint); 1367 1368 /* 1369 * Views are not normally focusable unless specified to be. 1370 * However, TextViews that have input or movement methods *are* 1371 * focusable by default. 1372 */ 1373 a = context.obtainStyledAttributes( 1374 attrs, com.android.internal.R.styleable.View, defStyleAttr, defStyleRes); 1375 1376 boolean focusable = mMovement != null || getKeyListener() != null; 1377 boolean clickable = focusable || isClickable(); 1378 boolean longClickable = focusable || isLongClickable(); 1379 1380 n = a.getIndexCount(); 1381 for (int i = 0; i < n; i++) { 1382 int attr = a.getIndex(i); 1383 1384 switch (attr) { 1385 case com.android.internal.R.styleable.View_focusable: 1386 focusable = a.getBoolean(attr, focusable); 1387 break; 1388 1389 case com.android.internal.R.styleable.View_clickable: 1390 clickable = a.getBoolean(attr, clickable); 1391 break; 1392 1393 case com.android.internal.R.styleable.View_longClickable: 1394 longClickable = a.getBoolean(attr, longClickable); 1395 break; 1396 } 1397 } 1398 a.recycle(); 1399 1400 setFocusable(focusable); 1401 setClickable(clickable); 1402 setLongClickable(longClickable); 1403 1404 if (mEditor != null) mEditor.prepareCursorControllers(); 1405 1406 // If not explicitly specified this view is important for accessibility. 1407 if (getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_AUTO) { 1408 setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES); 1409 } 1410 } 1411 1412 private void setTypefaceFromAttrs(String familyName, int typefaceIndex, int styleIndex) { 1413 Typeface tf = null; 1414 if (familyName != null) { 1415 tf = Typeface.create(familyName, styleIndex); 1416 if (tf != null) { 1417 setTypeface(tf); 1418 return; 1419 } 1420 } 1421 switch (typefaceIndex) { 1422 case SANS: 1423 tf = Typeface.SANS_SERIF; 1424 break; 1425 1426 case SERIF: 1427 tf = Typeface.SERIF; 1428 break; 1429 1430 case MONOSPACE: 1431 tf = Typeface.MONOSPACE; 1432 break; 1433 } 1434 1435 setTypeface(tf, styleIndex); 1436 } 1437 1438 private void setRelativeDrawablesIfNeeded(Drawable start, Drawable end) { 1439 boolean hasRelativeDrawables = (start != null) || (end != null); 1440 if (hasRelativeDrawables) { 1441 Drawables dr = mDrawables; 1442 if (dr == null) { 1443 mDrawables = dr = new Drawables(getContext()); 1444 } 1445 mDrawables.mOverride = true; 1446 final Rect compoundRect = dr.mCompoundRect; 1447 int[] state = getDrawableState(); 1448 if (start != null) { 1449 start.setBounds(0, 0, start.getIntrinsicWidth(), start.getIntrinsicHeight()); 1450 start.setState(state); 1451 start.copyBounds(compoundRect); 1452 start.setCallback(this); 1453 1454 dr.mDrawableStart = start; 1455 dr.mDrawableSizeStart = compoundRect.width(); 1456 dr.mDrawableHeightStart = compoundRect.height(); 1457 } else { 1458 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 1459 } 1460 if (end != null) { 1461 end.setBounds(0, 0, end.getIntrinsicWidth(), end.getIntrinsicHeight()); 1462 end.setState(state); 1463 end.copyBounds(compoundRect); 1464 end.setCallback(this); 1465 1466 dr.mDrawableEnd = end; 1467 dr.mDrawableSizeEnd = compoundRect.width(); 1468 dr.mDrawableHeightEnd = compoundRect.height(); 1469 } else { 1470 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 1471 } 1472 resetResolvedDrawables(); 1473 resolveDrawables(); 1474 applyCompoundDrawableTint(); 1475 } 1476 } 1477 1478 @Override 1479 public void setEnabled(boolean enabled) { 1480 if (enabled == isEnabled()) { 1481 return; 1482 } 1483 1484 if (!enabled) { 1485 // Hide the soft input if the currently active TextView is disabled 1486 InputMethodManager imm = InputMethodManager.peekInstance(); 1487 if (imm != null && imm.isActive(this)) { 1488 imm.hideSoftInputFromWindow(getWindowToken(), 0); 1489 } 1490 } 1491 1492 super.setEnabled(enabled); 1493 1494 if (enabled) { 1495 // Make sure IME is updated with current editor info. 1496 InputMethodManager imm = InputMethodManager.peekInstance(); 1497 if (imm != null) imm.restartInput(this); 1498 } 1499 1500 // Will change text color 1501 if (mEditor != null) { 1502 mEditor.invalidateTextDisplayList(); 1503 mEditor.prepareCursorControllers(); 1504 1505 // start or stop the cursor blinking as appropriate 1506 mEditor.makeBlink(); 1507 } 1508 } 1509 1510 /** 1511 * Sets the typeface and style in which the text should be displayed, 1512 * and turns on the fake bold and italic bits in the Paint if the 1513 * Typeface that you provided does not have all the bits in the 1514 * style that you specified. 1515 * 1516 * @attr ref android.R.styleable#TextView_typeface 1517 * @attr ref android.R.styleable#TextView_textStyle 1518 */ 1519 public void setTypeface(Typeface tf, int style) { 1520 if (style > 0) { 1521 if (tf == null) { 1522 tf = Typeface.defaultFromStyle(style); 1523 } else { 1524 tf = Typeface.create(tf, style); 1525 } 1526 1527 setTypeface(tf); 1528 // now compute what (if any) algorithmic styling is needed 1529 int typefaceStyle = tf != null ? tf.getStyle() : 0; 1530 int need = style & ~typefaceStyle; 1531 mTextPaint.setFakeBoldText((need & Typeface.BOLD) != 0); 1532 mTextPaint.setTextSkewX((need & Typeface.ITALIC) != 0 ? -0.25f : 0); 1533 } else { 1534 mTextPaint.setFakeBoldText(false); 1535 mTextPaint.setTextSkewX(0); 1536 setTypeface(tf); 1537 } 1538 } 1539 1540 /** 1541 * Subclasses override this to specify that they have a KeyListener 1542 * by default even if not specifically called for in the XML options. 1543 */ 1544 protected boolean getDefaultEditable() { 1545 return false; 1546 } 1547 1548 /** 1549 * Subclasses override this to specify a default movement method. 1550 */ 1551 protected MovementMethod getDefaultMovementMethod() { 1552 return null; 1553 } 1554 1555 /** 1556 * Return the text the TextView is displaying. If setText() was called with 1557 * an argument of BufferType.SPANNABLE or BufferType.EDITABLE, you can cast 1558 * the return value from this method to Spannable or Editable, respectively. 1559 * 1560 * Note: The content of the return value should not be modified. If you want 1561 * a modifiable one, you should make your own copy first. 1562 * 1563 * @attr ref android.R.styleable#TextView_text 1564 */ 1565 @ViewDebug.CapturedViewProperty 1566 public CharSequence getText() { 1567 return mText; 1568 } 1569 1570 /** 1571 * Returns the length, in characters, of the text managed by this TextView 1572 */ 1573 public int length() { 1574 return mText.length(); 1575 } 1576 1577 /** 1578 * Return the text the TextView is displaying as an Editable object. If 1579 * the text is not editable, null is returned. 1580 * 1581 * @see #getText 1582 */ 1583 public Editable getEditableText() { 1584 return (mText instanceof Editable) ? (Editable)mText : null; 1585 } 1586 1587 /** 1588 * @return the height of one standard line in pixels. Note that markup 1589 * within the text can cause individual lines to be taller or shorter 1590 * than this height, and the layout may contain additional first- 1591 * or last-line padding. 1592 */ 1593 public int getLineHeight() { 1594 return FastMath.round(mTextPaint.getFontMetricsInt(null) * mSpacingMult + mSpacingAdd); 1595 } 1596 1597 /** 1598 * @return the Layout that is currently being used to display the text. 1599 * This can be null if the text or width has recently changes. 1600 */ 1601 public final Layout getLayout() { 1602 return mLayout; 1603 } 1604 1605 /** 1606 * @return the Layout that is currently being used to display the hint text. 1607 * This can be null. 1608 */ 1609 final Layout getHintLayout() { 1610 return mHintLayout; 1611 } 1612 1613 /** 1614 * Retrieve the {@link android.content.UndoManager} that is currently associated 1615 * with this TextView. By default there is no associated UndoManager, so null 1616 * is returned. One can be associated with the TextView through 1617 * {@link #setUndoManager(android.content.UndoManager, String)} 1618 * 1619 * @hide 1620 */ 1621 public final UndoManager getUndoManager() { 1622 // TODO: Consider supporting a global undo manager. 1623 throw new UnsupportedOperationException("not implemented"); 1624 } 1625 1626 /** 1627 * Associate an {@link android.content.UndoManager} with this TextView. Once 1628 * done, all edit operations on the TextView will result in appropriate 1629 * {@link android.content.UndoOperation} objects pushed on the given UndoManager's 1630 * stack. 1631 * 1632 * @param undoManager The {@link android.content.UndoManager} to associate with 1633 * this TextView, or null to clear any existing association. 1634 * @param tag String tag identifying this particular TextView owner in the 1635 * UndoManager. This is used to keep the correct association with the 1636 * {@link android.content.UndoOwner} of any operations inside of the UndoManager. 1637 * 1638 * @hide 1639 */ 1640 public final void setUndoManager(UndoManager undoManager, String tag) { 1641 // TODO: Consider supporting a global undo manager. An implementation will need to: 1642 // * createEditorIfNeeded() 1643 // * Promote to BufferType.EDITABLE if needed. 1644 // * Update the UndoManager and UndoOwner. 1645 // Likewise it will need to be able to restore the default UndoManager. 1646 throw new UnsupportedOperationException("not implemented"); 1647 } 1648 1649 /** 1650 * @return the current key listener for this TextView. 1651 * This will frequently be null for non-EditText TextViews. 1652 * 1653 * @attr ref android.R.styleable#TextView_numeric 1654 * @attr ref android.R.styleable#TextView_digits 1655 * @attr ref android.R.styleable#TextView_phoneNumber 1656 * @attr ref android.R.styleable#TextView_inputMethod 1657 * @attr ref android.R.styleable#TextView_capitalize 1658 * @attr ref android.R.styleable#TextView_autoText 1659 */ 1660 public final KeyListener getKeyListener() { 1661 return mEditor == null ? null : mEditor.mKeyListener; 1662 } 1663 1664 /** 1665 * Sets the key listener to be used with this TextView. This can be null 1666 * to disallow user input. Note that this method has significant and 1667 * subtle interactions with soft keyboards and other input method: 1668 * see {@link KeyListener#getInputType() KeyListener.getContentType()} 1669 * for important details. Calling this method will replace the current 1670 * content type of the text view with the content type returned by the 1671 * key listener. 1672 * <p> 1673 * Be warned that if you want a TextView with a key listener or movement 1674 * method not to be focusable, or if you want a TextView without a 1675 * key listener or movement method to be focusable, you must call 1676 * {@link #setFocusable} again after calling this to get the focusability 1677 * back the way you want it. 1678 * 1679 * @attr ref android.R.styleable#TextView_numeric 1680 * @attr ref android.R.styleable#TextView_digits 1681 * @attr ref android.R.styleable#TextView_phoneNumber 1682 * @attr ref android.R.styleable#TextView_inputMethod 1683 * @attr ref android.R.styleable#TextView_capitalize 1684 * @attr ref android.R.styleable#TextView_autoText 1685 */ 1686 public void setKeyListener(KeyListener input) { 1687 setKeyListenerOnly(input); 1688 fixFocusableAndClickableSettings(); 1689 1690 if (input != null) { 1691 createEditorIfNeeded(); 1692 try { 1693 mEditor.mInputType = mEditor.mKeyListener.getInputType(); 1694 } catch (IncompatibleClassChangeError e) { 1695 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1696 } 1697 // Change inputType, without affecting transformation. 1698 // No need to applySingleLine since mSingleLine is unchanged. 1699 setInputTypeSingleLine(mSingleLine); 1700 } else { 1701 if (mEditor != null) mEditor.mInputType = EditorInfo.TYPE_NULL; 1702 } 1703 1704 InputMethodManager imm = InputMethodManager.peekInstance(); 1705 if (imm != null) imm.restartInput(this); 1706 } 1707 1708 private void setKeyListenerOnly(KeyListener input) { 1709 if (mEditor == null && input == null) return; // null is the default value 1710 1711 createEditorIfNeeded(); 1712 if (mEditor.mKeyListener != input) { 1713 mEditor.mKeyListener = input; 1714 if (input != null && !(mText instanceof Editable)) { 1715 setText(mText); 1716 } 1717 1718 setFilters((Editable) mText, mFilters); 1719 } 1720 } 1721 1722 /** 1723 * @return the movement method being used for this TextView. 1724 * This will frequently be null for non-EditText TextViews. 1725 */ 1726 public final MovementMethod getMovementMethod() { 1727 return mMovement; 1728 } 1729 1730 /** 1731 * Sets the movement method (arrow key handler) to be used for 1732 * this TextView. This can be null to disallow using the arrow keys 1733 * to move the cursor or scroll the view. 1734 * <p> 1735 * Be warned that if you want a TextView with a key listener or movement 1736 * method not to be focusable, or if you want a TextView without a 1737 * key listener or movement method to be focusable, you must call 1738 * {@link #setFocusable} again after calling this to get the focusability 1739 * back the way you want it. 1740 */ 1741 public final void setMovementMethod(MovementMethod movement) { 1742 if (mMovement != movement) { 1743 mMovement = movement; 1744 1745 if (movement != null && !(mText instanceof Spannable)) { 1746 setText(mText); 1747 } 1748 1749 fixFocusableAndClickableSettings(); 1750 1751 // SelectionModifierCursorController depends on textCanBeSelected, which depends on 1752 // mMovement 1753 if (mEditor != null) mEditor.prepareCursorControllers(); 1754 } 1755 } 1756 1757 private void fixFocusableAndClickableSettings() { 1758 if (mMovement != null || (mEditor != null && mEditor.mKeyListener != null)) { 1759 setFocusable(true); 1760 setClickable(true); 1761 setLongClickable(true); 1762 } else { 1763 setFocusable(false); 1764 setClickable(false); 1765 setLongClickable(false); 1766 } 1767 } 1768 1769 /** 1770 * @return the current transformation method for this TextView. 1771 * This will frequently be null except for single-line and password 1772 * fields. 1773 * 1774 * @attr ref android.R.styleable#TextView_password 1775 * @attr ref android.R.styleable#TextView_singleLine 1776 */ 1777 public final TransformationMethod getTransformationMethod() { 1778 return mTransformation; 1779 } 1780 1781 /** 1782 * Sets the transformation that is applied to the text that this 1783 * TextView is displaying. 1784 * 1785 * @attr ref android.R.styleable#TextView_password 1786 * @attr ref android.R.styleable#TextView_singleLine 1787 */ 1788 public final void setTransformationMethod(TransformationMethod method) { 1789 if (method == mTransformation) { 1790 // Avoid the setText() below if the transformation is 1791 // the same. 1792 return; 1793 } 1794 if (mTransformation != null) { 1795 if (mText instanceof Spannable) { 1796 ((Spannable) mText).removeSpan(mTransformation); 1797 } 1798 } 1799 1800 mTransformation = method; 1801 1802 if (method instanceof TransformationMethod2) { 1803 TransformationMethod2 method2 = (TransformationMethod2) method; 1804 mAllowTransformationLengthChange = !isTextSelectable() && !(mText instanceof Editable); 1805 method2.setLengthChangesAllowed(mAllowTransformationLengthChange); 1806 } else { 1807 mAllowTransformationLengthChange = false; 1808 } 1809 1810 setText(mText); 1811 1812 if (hasPasswordTransformationMethod()) { 1813 notifyViewAccessibilityStateChangedIfNeeded( 1814 AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED); 1815 } 1816 } 1817 1818 /** 1819 * Returns the top padding of the view, plus space for the top 1820 * Drawable if any. 1821 */ 1822 public int getCompoundPaddingTop() { 1823 final Drawables dr = mDrawables; 1824 if (dr == null || dr.mShowing[Drawables.TOP] == null) { 1825 return mPaddingTop; 1826 } else { 1827 return mPaddingTop + dr.mDrawablePadding + dr.mDrawableSizeTop; 1828 } 1829 } 1830 1831 /** 1832 * Returns the bottom padding of the view, plus space for the bottom 1833 * Drawable if any. 1834 */ 1835 public int getCompoundPaddingBottom() { 1836 final Drawables dr = mDrawables; 1837 if (dr == null || dr.mShowing[Drawables.BOTTOM] == null) { 1838 return mPaddingBottom; 1839 } else { 1840 return mPaddingBottom + dr.mDrawablePadding + dr.mDrawableSizeBottom; 1841 } 1842 } 1843 1844 /** 1845 * Returns the left padding of the view, plus space for the left 1846 * Drawable if any. 1847 */ 1848 public int getCompoundPaddingLeft() { 1849 final Drawables dr = mDrawables; 1850 if (dr == null || dr.mShowing[Drawables.LEFT] == null) { 1851 return mPaddingLeft; 1852 } else { 1853 return mPaddingLeft + dr.mDrawablePadding + dr.mDrawableSizeLeft; 1854 } 1855 } 1856 1857 /** 1858 * Returns the right padding of the view, plus space for the right 1859 * Drawable if any. 1860 */ 1861 public int getCompoundPaddingRight() { 1862 final Drawables dr = mDrawables; 1863 if (dr == null || dr.mShowing[Drawables.RIGHT] == null) { 1864 return mPaddingRight; 1865 } else { 1866 return mPaddingRight + dr.mDrawablePadding + dr.mDrawableSizeRight; 1867 } 1868 } 1869 1870 /** 1871 * Returns the start padding of the view, plus space for the start 1872 * Drawable if any. 1873 */ 1874 public int getCompoundPaddingStart() { 1875 resolveDrawables(); 1876 switch(getLayoutDirection()) { 1877 default: 1878 case LAYOUT_DIRECTION_LTR: 1879 return getCompoundPaddingLeft(); 1880 case LAYOUT_DIRECTION_RTL: 1881 return getCompoundPaddingRight(); 1882 } 1883 } 1884 1885 /** 1886 * Returns the end padding of the view, plus space for the end 1887 * Drawable if any. 1888 */ 1889 public int getCompoundPaddingEnd() { 1890 resolveDrawables(); 1891 switch(getLayoutDirection()) { 1892 default: 1893 case LAYOUT_DIRECTION_LTR: 1894 return getCompoundPaddingRight(); 1895 case LAYOUT_DIRECTION_RTL: 1896 return getCompoundPaddingLeft(); 1897 } 1898 } 1899 1900 /** 1901 * Returns the extended top padding of the view, including both the 1902 * top Drawable if any and any extra space to keep more than maxLines 1903 * of text from showing. It is only valid to call this after measuring. 1904 */ 1905 public int getExtendedPaddingTop() { 1906 if (mMaxMode != LINES) { 1907 return getCompoundPaddingTop(); 1908 } 1909 1910 if (mLayout == null) { 1911 assumeLayout(); 1912 } 1913 1914 if (mLayout.getLineCount() <= mMaximum) { 1915 return getCompoundPaddingTop(); 1916 } 1917 1918 int top = getCompoundPaddingTop(); 1919 int bottom = getCompoundPaddingBottom(); 1920 int viewht = getHeight() - top - bottom; 1921 int layoutht = mLayout.getLineTop(mMaximum); 1922 1923 if (layoutht >= viewht) { 1924 return top; 1925 } 1926 1927 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 1928 if (gravity == Gravity.TOP) { 1929 return top; 1930 } else if (gravity == Gravity.BOTTOM) { 1931 return top + viewht - layoutht; 1932 } else { // (gravity == Gravity.CENTER_VERTICAL) 1933 return top + (viewht - layoutht) / 2; 1934 } 1935 } 1936 1937 /** 1938 * Returns the extended bottom padding of the view, including both the 1939 * bottom Drawable if any and any extra space to keep more than maxLines 1940 * of text from showing. It is only valid to call this after measuring. 1941 */ 1942 public int getExtendedPaddingBottom() { 1943 if (mMaxMode != LINES) { 1944 return getCompoundPaddingBottom(); 1945 } 1946 1947 if (mLayout == null) { 1948 assumeLayout(); 1949 } 1950 1951 if (mLayout.getLineCount() <= mMaximum) { 1952 return getCompoundPaddingBottom(); 1953 } 1954 1955 int top = getCompoundPaddingTop(); 1956 int bottom = getCompoundPaddingBottom(); 1957 int viewht = getHeight() - top - bottom; 1958 int layoutht = mLayout.getLineTop(mMaximum); 1959 1960 if (layoutht >= viewht) { 1961 return bottom; 1962 } 1963 1964 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 1965 if (gravity == Gravity.TOP) { 1966 return bottom + viewht - layoutht; 1967 } else if (gravity == Gravity.BOTTOM) { 1968 return bottom; 1969 } else { // (gravity == Gravity.CENTER_VERTICAL) 1970 return bottom + (viewht - layoutht) / 2; 1971 } 1972 } 1973 1974 /** 1975 * Returns the total left padding of the view, including the left 1976 * Drawable if any. 1977 */ 1978 public int getTotalPaddingLeft() { 1979 return getCompoundPaddingLeft(); 1980 } 1981 1982 /** 1983 * Returns the total right padding of the view, including the right 1984 * Drawable if any. 1985 */ 1986 public int getTotalPaddingRight() { 1987 return getCompoundPaddingRight(); 1988 } 1989 1990 /** 1991 * Returns the total start padding of the view, including the start 1992 * Drawable if any. 1993 */ 1994 public int getTotalPaddingStart() { 1995 return getCompoundPaddingStart(); 1996 } 1997 1998 /** 1999 * Returns the total end padding of the view, including the end 2000 * Drawable if any. 2001 */ 2002 public int getTotalPaddingEnd() { 2003 return getCompoundPaddingEnd(); 2004 } 2005 2006 /** 2007 * Returns the total top padding of the view, including the top 2008 * Drawable if any, the extra space to keep more than maxLines 2009 * from showing, and the vertical offset for gravity, if any. 2010 */ 2011 public int getTotalPaddingTop() { 2012 return getExtendedPaddingTop() + getVerticalOffset(true); 2013 } 2014 2015 /** 2016 * Returns the total bottom padding of the view, including the bottom 2017 * Drawable if any, the extra space to keep more than maxLines 2018 * from showing, and the vertical offset for gravity, if any. 2019 */ 2020 public int getTotalPaddingBottom() { 2021 return getExtendedPaddingBottom() + getBottomVerticalOffset(true); 2022 } 2023 2024 /** 2025 * Sets the Drawables (if any) to appear to the left of, above, to the 2026 * right of, and below the text. Use {@code null} if you do not want a 2027 * Drawable there. The Drawables must already have had 2028 * {@link Drawable#setBounds} called. 2029 * <p> 2030 * Calling this method will overwrite any Drawables previously set using 2031 * {@link #setCompoundDrawablesRelative} or related methods. 2032 * 2033 * @attr ref android.R.styleable#TextView_drawableLeft 2034 * @attr ref android.R.styleable#TextView_drawableTop 2035 * @attr ref android.R.styleable#TextView_drawableRight 2036 * @attr ref android.R.styleable#TextView_drawableBottom 2037 */ 2038 public void setCompoundDrawables(@Nullable Drawable left, @Nullable Drawable top, 2039 @Nullable Drawable right, @Nullable Drawable bottom) { 2040 Drawables dr = mDrawables; 2041 2042 // We're switching to absolute, discard relative. 2043 if (dr != null) { 2044 if (dr.mDrawableStart != null) dr.mDrawableStart.setCallback(null); 2045 dr.mDrawableStart = null; 2046 if (dr.mDrawableEnd != null) dr.mDrawableEnd.setCallback(null); 2047 dr.mDrawableEnd = null; 2048 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2049 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2050 } 2051 2052 final boolean drawables = left != null || top != null || right != null || bottom != null; 2053 if (!drawables) { 2054 // Clearing drawables... can we free the data structure? 2055 if (dr != null) { 2056 if (dr.mDrawablePadding == 0) { 2057 mDrawables = null; 2058 } else { 2059 // We need to retain the last set padding, so just clear 2060 // out all of the fields in the existing structure. 2061 for (int i = dr.mShowing.length - 1; i >= 0; i--) { 2062 if (dr.mShowing[i] != null) { 2063 dr.mShowing[i].setCallback(null); 2064 } 2065 dr.mShowing[i] = null; 2066 } 2067 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2068 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2069 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2070 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2071 } 2072 } 2073 } else { 2074 if (dr == null) { 2075 mDrawables = dr = new Drawables(getContext()); 2076 } 2077 2078 mDrawables.mOverride = false; 2079 2080 if (dr.mShowing[Drawables.LEFT] != left && dr.mShowing[Drawables.LEFT] != null) { 2081 dr.mShowing[Drawables.LEFT].setCallback(null); 2082 } 2083 dr.mShowing[Drawables.LEFT] = left; 2084 2085 if (dr.mShowing[Drawables.TOP] != top && dr.mShowing[Drawables.TOP] != null) { 2086 dr.mShowing[Drawables.TOP].setCallback(null); 2087 } 2088 dr.mShowing[Drawables.TOP] = top; 2089 2090 if (dr.mShowing[Drawables.RIGHT] != right && dr.mShowing[Drawables.RIGHT] != null) { 2091 dr.mShowing[Drawables.RIGHT].setCallback(null); 2092 } 2093 dr.mShowing[Drawables.RIGHT] = right; 2094 2095 if (dr.mShowing[Drawables.BOTTOM] != bottom && dr.mShowing[Drawables.BOTTOM] != null) { 2096 dr.mShowing[Drawables.BOTTOM].setCallback(null); 2097 } 2098 dr.mShowing[Drawables.BOTTOM] = bottom; 2099 2100 final Rect compoundRect = dr.mCompoundRect; 2101 int[] state; 2102 2103 state = getDrawableState(); 2104 2105 if (left != null) { 2106 left.setState(state); 2107 left.copyBounds(compoundRect); 2108 left.setCallback(this); 2109 dr.mDrawableSizeLeft = compoundRect.width(); 2110 dr.mDrawableHeightLeft = compoundRect.height(); 2111 } else { 2112 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2113 } 2114 2115 if (right != null) { 2116 right.setState(state); 2117 right.copyBounds(compoundRect); 2118 right.setCallback(this); 2119 dr.mDrawableSizeRight = compoundRect.width(); 2120 dr.mDrawableHeightRight = compoundRect.height(); 2121 } else { 2122 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2123 } 2124 2125 if (top != null) { 2126 top.setState(state); 2127 top.copyBounds(compoundRect); 2128 top.setCallback(this); 2129 dr.mDrawableSizeTop = compoundRect.height(); 2130 dr.mDrawableWidthTop = compoundRect.width(); 2131 } else { 2132 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2133 } 2134 2135 if (bottom != null) { 2136 bottom.setState(state); 2137 bottom.copyBounds(compoundRect); 2138 bottom.setCallback(this); 2139 dr.mDrawableSizeBottom = compoundRect.height(); 2140 dr.mDrawableWidthBottom = compoundRect.width(); 2141 } else { 2142 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2143 } 2144 } 2145 2146 // Save initial left/right drawables 2147 if (dr != null) { 2148 dr.mDrawableLeftInitial = left; 2149 dr.mDrawableRightInitial = right; 2150 } 2151 2152 resetResolvedDrawables(); 2153 resolveDrawables(); 2154 applyCompoundDrawableTint(); 2155 invalidate(); 2156 requestLayout(); 2157 } 2158 2159 /** 2160 * Sets the Drawables (if any) to appear to the left of, above, to the 2161 * right of, and below the text. Use 0 if you do not want a Drawable there. 2162 * The Drawables' bounds will be set to their intrinsic bounds. 2163 * <p> 2164 * Calling this method will overwrite any Drawables previously set using 2165 * {@link #setCompoundDrawablesRelative} or related methods. 2166 * 2167 * @param left Resource identifier of the left Drawable. 2168 * @param top Resource identifier of the top Drawable. 2169 * @param right Resource identifier of the right Drawable. 2170 * @param bottom Resource identifier of the bottom Drawable. 2171 * 2172 * @attr ref android.R.styleable#TextView_drawableLeft 2173 * @attr ref android.R.styleable#TextView_drawableTop 2174 * @attr ref android.R.styleable#TextView_drawableRight 2175 * @attr ref android.R.styleable#TextView_drawableBottom 2176 */ 2177 @android.view.RemotableViewMethod 2178 public void setCompoundDrawablesWithIntrinsicBounds(@DrawableRes int left, 2179 @DrawableRes int top, @DrawableRes int right, @DrawableRes int bottom) { 2180 final Context context = getContext(); 2181 setCompoundDrawablesWithIntrinsicBounds(left != 0 ? context.getDrawable(left) : null, 2182 top != 0 ? context.getDrawable(top) : null, 2183 right != 0 ? context.getDrawable(right) : null, 2184 bottom != 0 ? context.getDrawable(bottom) : null); 2185 } 2186 2187 /** 2188 * Sets the Drawables (if any) to appear to the left of, above, to the 2189 * right of, and below the text. Use {@code null} if you do not want a 2190 * Drawable there. The Drawables' bounds will be set to their intrinsic 2191 * bounds. 2192 * <p> 2193 * Calling this method will overwrite any Drawables previously set using 2194 * {@link #setCompoundDrawablesRelative} or related methods. 2195 * 2196 * @attr ref android.R.styleable#TextView_drawableLeft 2197 * @attr ref android.R.styleable#TextView_drawableTop 2198 * @attr ref android.R.styleable#TextView_drawableRight 2199 * @attr ref android.R.styleable#TextView_drawableBottom 2200 */ 2201 public void setCompoundDrawablesWithIntrinsicBounds(@Nullable Drawable left, 2202 @Nullable Drawable top, @Nullable Drawable right, @Nullable Drawable bottom) { 2203 2204 if (left != null) { 2205 left.setBounds(0, 0, left.getIntrinsicWidth(), left.getIntrinsicHeight()); 2206 } 2207 if (right != null) { 2208 right.setBounds(0, 0, right.getIntrinsicWidth(), right.getIntrinsicHeight()); 2209 } 2210 if (top != null) { 2211 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 2212 } 2213 if (bottom != null) { 2214 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 2215 } 2216 setCompoundDrawables(left, top, right, bottom); 2217 } 2218 2219 /** 2220 * Sets the Drawables (if any) to appear to the start of, above, to the end 2221 * of, and below the text. Use {@code null} if you do not want a Drawable 2222 * there. The Drawables must already have had {@link Drawable#setBounds} 2223 * called. 2224 * <p> 2225 * Calling this method will overwrite any Drawables previously set using 2226 * {@link #setCompoundDrawables} or related methods. 2227 * 2228 * @attr ref android.R.styleable#TextView_drawableStart 2229 * @attr ref android.R.styleable#TextView_drawableTop 2230 * @attr ref android.R.styleable#TextView_drawableEnd 2231 * @attr ref android.R.styleable#TextView_drawableBottom 2232 */ 2233 public void setCompoundDrawablesRelative(@Nullable Drawable start, @Nullable Drawable top, 2234 @Nullable Drawable end, @Nullable Drawable bottom) { 2235 Drawables dr = mDrawables; 2236 2237 // We're switching to relative, discard absolute. 2238 if (dr != null) { 2239 if (dr.mShowing[Drawables.LEFT] != null) { 2240 dr.mShowing[Drawables.LEFT].setCallback(null); 2241 } 2242 dr.mShowing[Drawables.LEFT] = dr.mDrawableLeftInitial = null; 2243 if (dr.mShowing[Drawables.RIGHT] != null) { 2244 dr.mShowing[Drawables.RIGHT].setCallback(null); 2245 } 2246 dr.mShowing[Drawables.RIGHT] = dr.mDrawableRightInitial = null; 2247 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2248 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2249 } 2250 2251 final boolean drawables = start != null || top != null 2252 || end != null || bottom != null; 2253 2254 if (!drawables) { 2255 // Clearing drawables... can we free the data structure? 2256 if (dr != null) { 2257 if (dr.mDrawablePadding == 0) { 2258 mDrawables = null; 2259 } else { 2260 // We need to retain the last set padding, so just clear 2261 // out all of the fields in the existing structure. 2262 if (dr.mDrawableStart != null) dr.mDrawableStart.setCallback(null); 2263 dr.mDrawableStart = null; 2264 if (dr.mShowing[Drawables.TOP] != null) { 2265 dr.mShowing[Drawables.TOP].setCallback(null); 2266 } 2267 dr.mShowing[Drawables.TOP] = null; 2268 if (dr.mDrawableEnd != null) { 2269 dr.mDrawableEnd.setCallback(null); 2270 } 2271 dr.mDrawableEnd = null; 2272 if (dr.mShowing[Drawables.BOTTOM] != null) { 2273 dr.mShowing[Drawables.BOTTOM].setCallback(null); 2274 } 2275 dr.mShowing[Drawables.BOTTOM] = null; 2276 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2277 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2278 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2279 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2280 } 2281 } 2282 } else { 2283 if (dr == null) { 2284 mDrawables = dr = new Drawables(getContext()); 2285 } 2286 2287 mDrawables.mOverride = true; 2288 2289 if (dr.mDrawableStart != start && dr.mDrawableStart != null) { 2290 dr.mDrawableStart.setCallback(null); 2291 } 2292 dr.mDrawableStart = start; 2293 2294 if (dr.mShowing[Drawables.TOP] != top && dr.mShowing[Drawables.TOP] != null) { 2295 dr.mShowing[Drawables.TOP].setCallback(null); 2296 } 2297 dr.mShowing[Drawables.TOP] = top; 2298 2299 if (dr.mDrawableEnd != end && dr.mDrawableEnd != null) { 2300 dr.mDrawableEnd.setCallback(null); 2301 } 2302 dr.mDrawableEnd = end; 2303 2304 if (dr.mShowing[Drawables.BOTTOM] != bottom && dr.mShowing[Drawables.BOTTOM] != null) { 2305 dr.mShowing[Drawables.BOTTOM].setCallback(null); 2306 } 2307 dr.mShowing[Drawables.BOTTOM] = bottom; 2308 2309 final Rect compoundRect = dr.mCompoundRect; 2310 int[] state; 2311 2312 state = getDrawableState(); 2313 2314 if (start != null) { 2315 start.setState(state); 2316 start.copyBounds(compoundRect); 2317 start.setCallback(this); 2318 dr.mDrawableSizeStart = compoundRect.width(); 2319 dr.mDrawableHeightStart = compoundRect.height(); 2320 } else { 2321 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2322 } 2323 2324 if (end != null) { 2325 end.setState(state); 2326 end.copyBounds(compoundRect); 2327 end.setCallback(this); 2328 dr.mDrawableSizeEnd = compoundRect.width(); 2329 dr.mDrawableHeightEnd = compoundRect.height(); 2330 } else { 2331 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2332 } 2333 2334 if (top != null) { 2335 top.setState(state); 2336 top.copyBounds(compoundRect); 2337 top.setCallback(this); 2338 dr.mDrawableSizeTop = compoundRect.height(); 2339 dr.mDrawableWidthTop = compoundRect.width(); 2340 } else { 2341 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2342 } 2343 2344 if (bottom != null) { 2345 bottom.setState(state); 2346 bottom.copyBounds(compoundRect); 2347 bottom.setCallback(this); 2348 dr.mDrawableSizeBottom = compoundRect.height(); 2349 dr.mDrawableWidthBottom = compoundRect.width(); 2350 } else { 2351 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2352 } 2353 } 2354 2355 resetResolvedDrawables(); 2356 resolveDrawables(); 2357 invalidate(); 2358 requestLayout(); 2359 } 2360 2361 /** 2362 * Sets the Drawables (if any) to appear to the start of, above, to the end 2363 * of, and below the text. Use 0 if you do not want a Drawable there. The 2364 * Drawables' bounds will be set to their intrinsic bounds. 2365 * <p> 2366 * Calling this method will overwrite any Drawables previously set using 2367 * {@link #setCompoundDrawables} or related methods. 2368 * 2369 * @param start Resource identifier of the start Drawable. 2370 * @param top Resource identifier of the top Drawable. 2371 * @param end Resource identifier of the end Drawable. 2372 * @param bottom Resource identifier of the bottom Drawable. 2373 * 2374 * @attr ref android.R.styleable#TextView_drawableStart 2375 * @attr ref android.R.styleable#TextView_drawableTop 2376 * @attr ref android.R.styleable#TextView_drawableEnd 2377 * @attr ref android.R.styleable#TextView_drawableBottom 2378 */ 2379 @android.view.RemotableViewMethod 2380 public void setCompoundDrawablesRelativeWithIntrinsicBounds(@DrawableRes int start, 2381 @DrawableRes int top, @DrawableRes int end, @DrawableRes int bottom) { 2382 final Context context = getContext(); 2383 setCompoundDrawablesRelativeWithIntrinsicBounds( 2384 start != 0 ? context.getDrawable(start) : null, 2385 top != 0 ? context.getDrawable(top) : null, 2386 end != 0 ? context.getDrawable(end) : null, 2387 bottom != 0 ? context.getDrawable(bottom) : null); 2388 } 2389 2390 /** 2391 * Sets the Drawables (if any) to appear to the start of, above, to the end 2392 * of, and below the text. Use {@code null} if you do not want a Drawable 2393 * there. The Drawables' bounds will be set to their intrinsic bounds. 2394 * <p> 2395 * Calling this method will overwrite any Drawables previously set using 2396 * {@link #setCompoundDrawables} or related methods. 2397 * 2398 * @attr ref android.R.styleable#TextView_drawableStart 2399 * @attr ref android.R.styleable#TextView_drawableTop 2400 * @attr ref android.R.styleable#TextView_drawableEnd 2401 * @attr ref android.R.styleable#TextView_drawableBottom 2402 */ 2403 public void setCompoundDrawablesRelativeWithIntrinsicBounds(@Nullable Drawable start, 2404 @Nullable Drawable top, @Nullable Drawable end, @Nullable Drawable bottom) { 2405 2406 if (start != null) { 2407 start.setBounds(0, 0, start.getIntrinsicWidth(), start.getIntrinsicHeight()); 2408 } 2409 if (end != null) { 2410 end.setBounds(0, 0, end.getIntrinsicWidth(), end.getIntrinsicHeight()); 2411 } 2412 if (top != null) { 2413 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 2414 } 2415 if (bottom != null) { 2416 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 2417 } 2418 setCompoundDrawablesRelative(start, top, end, bottom); 2419 } 2420 2421 /** 2422 * Returns drawables for the left, top, right, and bottom borders. 2423 * 2424 * @attr ref android.R.styleable#TextView_drawableLeft 2425 * @attr ref android.R.styleable#TextView_drawableTop 2426 * @attr ref android.R.styleable#TextView_drawableRight 2427 * @attr ref android.R.styleable#TextView_drawableBottom 2428 */ 2429 @NonNull 2430 public Drawable[] getCompoundDrawables() { 2431 final Drawables dr = mDrawables; 2432 if (dr != null) { 2433 return dr.mShowing.clone(); 2434 } else { 2435 return new Drawable[] { null, null, null, null }; 2436 } 2437 } 2438 2439 /** 2440 * Returns drawables for the start, top, end, and bottom borders. 2441 * 2442 * @attr ref android.R.styleable#TextView_drawableStart 2443 * @attr ref android.R.styleable#TextView_drawableTop 2444 * @attr ref android.R.styleable#TextView_drawableEnd 2445 * @attr ref android.R.styleable#TextView_drawableBottom 2446 */ 2447 @NonNull 2448 public Drawable[] getCompoundDrawablesRelative() { 2449 final Drawables dr = mDrawables; 2450 if (dr != null) { 2451 return new Drawable[] { 2452 dr.mDrawableStart, dr.mShowing[Drawables.TOP], 2453 dr.mDrawableEnd, dr.mShowing[Drawables.BOTTOM] 2454 }; 2455 } else { 2456 return new Drawable[] { null, null, null, null }; 2457 } 2458 } 2459 2460 /** 2461 * Sets the size of the padding between the compound drawables and 2462 * the text. 2463 * 2464 * @attr ref android.R.styleable#TextView_drawablePadding 2465 */ 2466 @android.view.RemotableViewMethod 2467 public void setCompoundDrawablePadding(int pad) { 2468 Drawables dr = mDrawables; 2469 if (pad == 0) { 2470 if (dr != null) { 2471 dr.mDrawablePadding = pad; 2472 } 2473 } else { 2474 if (dr == null) { 2475 mDrawables = dr = new Drawables(getContext()); 2476 } 2477 dr.mDrawablePadding = pad; 2478 } 2479 2480 invalidate(); 2481 requestLayout(); 2482 } 2483 2484 /** 2485 * Returns the padding between the compound drawables and the text. 2486 * 2487 * @attr ref android.R.styleable#TextView_drawablePadding 2488 */ 2489 public int getCompoundDrawablePadding() { 2490 final Drawables dr = mDrawables; 2491 return dr != null ? dr.mDrawablePadding : 0; 2492 } 2493 2494 /** 2495 * Applies a tint to the compound drawables. Does not modify the 2496 * current tint mode, which is {@link PorterDuff.Mode#SRC_IN} by default. 2497 * <p> 2498 * Subsequent calls to 2499 * {@link #setCompoundDrawables(Drawable, Drawable, Drawable, Drawable)} 2500 * and related methods will automatically mutate the drawables and apply 2501 * the specified tint and tint mode using 2502 * {@link Drawable#setTintList(ColorStateList)}. 2503 * 2504 * @param tint the tint to apply, may be {@code null} to clear tint 2505 * 2506 * @attr ref android.R.styleable#TextView_drawableTint 2507 * @see #getCompoundDrawableTintList() 2508 * @see Drawable#setTintList(ColorStateList) 2509 */ 2510 public void setCompoundDrawableTintList(@Nullable ColorStateList tint) { 2511 if (mDrawables == null) { 2512 mDrawables = new Drawables(getContext()); 2513 } 2514 mDrawables.mTintList = tint; 2515 mDrawables.mHasTint = true; 2516 2517 applyCompoundDrawableTint(); 2518 } 2519 2520 /** 2521 * @return the tint applied to the compound drawables 2522 * @attr ref android.R.styleable#TextView_drawableTint 2523 * @see #setCompoundDrawableTintList(ColorStateList) 2524 */ 2525 public ColorStateList getCompoundDrawableTintList() { 2526 return mDrawables != null ? mDrawables.mTintList : null; 2527 } 2528 2529 /** 2530 * Specifies the blending mode used to apply the tint specified by 2531 * {@link #setCompoundDrawableTintList(ColorStateList)} to the compound 2532 * drawables. The default mode is {@link PorterDuff.Mode#SRC_IN}. 2533 * 2534 * @param tintMode the blending mode used to apply the tint, may be 2535 * {@code null} to clear tint 2536 * @attr ref android.R.styleable#TextView_drawableTintMode 2537 * @see #setCompoundDrawableTintList(ColorStateList) 2538 * @see Drawable#setTintMode(PorterDuff.Mode) 2539 */ 2540 public void setCompoundDrawableTintMode(@Nullable PorterDuff.Mode tintMode) { 2541 if (mDrawables == null) { 2542 mDrawables = new Drawables(getContext()); 2543 } 2544 mDrawables.mTintMode = tintMode; 2545 mDrawables.mHasTintMode = true; 2546 2547 applyCompoundDrawableTint(); 2548 } 2549 2550 /** 2551 * Returns the blending mode used to apply the tint to the compound 2552 * drawables, if specified. 2553 * 2554 * @return the blending mode used to apply the tint to the compound 2555 * drawables 2556 * @attr ref android.R.styleable#TextView_drawableTintMode 2557 * @see #setCompoundDrawableTintMode(PorterDuff.Mode) 2558 */ 2559 public PorterDuff.Mode getCompoundDrawableTintMode() { 2560 return mDrawables != null ? mDrawables.mTintMode : null; 2561 } 2562 2563 private void applyCompoundDrawableTint() { 2564 if (mDrawables == null) { 2565 return; 2566 } 2567 2568 if (mDrawables.mHasTint || mDrawables.mHasTintMode) { 2569 final ColorStateList tintList = mDrawables.mTintList; 2570 final PorterDuff.Mode tintMode = mDrawables.mTintMode; 2571 final boolean hasTint = mDrawables.mHasTint; 2572 final boolean hasTintMode = mDrawables.mHasTintMode; 2573 final int[] state = getDrawableState(); 2574 2575 for (Drawable dr : mDrawables.mShowing) { 2576 if (dr == null) { 2577 continue; 2578 } 2579 2580 if (dr == mDrawables.mDrawableError) { 2581 // From a developer's perspective, the error drawable isn't 2582 // a compound drawable. Don't apply the generic compound 2583 // drawable tint to it. 2584 continue; 2585 } 2586 2587 dr.mutate(); 2588 2589 if (hasTint) { 2590 dr.setTintList(tintList); 2591 } 2592 2593 if (hasTintMode) { 2594 dr.setTintMode(tintMode); 2595 } 2596 2597 // The drawable (or one of its children) may not have been 2598 // stateful before applying the tint, so let's try again. 2599 if (dr.isStateful()) { 2600 dr.setState(state); 2601 } 2602 } 2603 } 2604 } 2605 2606 @Override 2607 public void setPadding(int left, int top, int right, int bottom) { 2608 if (left != mPaddingLeft || 2609 right != mPaddingRight || 2610 top != mPaddingTop || 2611 bottom != mPaddingBottom) { 2612 nullLayouts(); 2613 } 2614 2615 // the super call will requestLayout() 2616 super.setPadding(left, top, right, bottom); 2617 invalidate(); 2618 } 2619 2620 @Override 2621 public void setPaddingRelative(int start, int top, int end, int bottom) { 2622 if (start != getPaddingStart() || 2623 end != getPaddingEnd() || 2624 top != mPaddingTop || 2625 bottom != mPaddingBottom) { 2626 nullLayouts(); 2627 } 2628 2629 // the super call will requestLayout() 2630 super.setPaddingRelative(start, top, end, bottom); 2631 invalidate(); 2632 } 2633 2634 /** 2635 * Gets the autolink mask of the text. See {@link 2636 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 2637 * possible values. 2638 * 2639 * @attr ref android.R.styleable#TextView_autoLink 2640 */ 2641 public final int getAutoLinkMask() { 2642 return mAutoLinkMask; 2643 } 2644 2645 /** 2646 * Sets the text color, size, style, hint color, and highlight color 2647 * from the specified TextAppearance resource. 2648 */ 2649 public void setTextAppearance(Context context, @StyleRes int resid) { 2650 TypedArray appearance = 2651 context.obtainStyledAttributes(resid, 2652 com.android.internal.R.styleable.TextAppearance); 2653 2654 int color; 2655 ColorStateList colors; 2656 int ts; 2657 2658 color = appearance.getColor( 2659 com.android.internal.R.styleable.TextAppearance_textColorHighlight, 0); 2660 if (color != 0) { 2661 setHighlightColor(color); 2662 } 2663 2664 colors = appearance.getColorStateList(com.android.internal.R.styleable. 2665 TextAppearance_textColor); 2666 if (colors != null) { 2667 setTextColor(colors); 2668 } 2669 2670 ts = appearance.getDimensionPixelSize(com.android.internal.R.styleable. 2671 TextAppearance_textSize, 0); 2672 if (ts != 0) { 2673 setRawTextSize(ts); 2674 } 2675 2676 colors = appearance.getColorStateList(com.android.internal.R.styleable. 2677 TextAppearance_textColorHint); 2678 if (colors != null) { 2679 setHintTextColor(colors); 2680 } 2681 2682 colors = appearance.getColorStateList(com.android.internal.R.styleable. 2683 TextAppearance_textColorLink); 2684 if (colors != null) { 2685 setLinkTextColor(colors); 2686 } 2687 2688 String familyName; 2689 int typefaceIndex, styleIndex; 2690 2691 familyName = appearance.getString(com.android.internal.R.styleable. 2692 TextAppearance_fontFamily); 2693 typefaceIndex = appearance.getInt(com.android.internal.R.styleable. 2694 TextAppearance_typeface, -1); 2695 styleIndex = appearance.getInt(com.android.internal.R.styleable. 2696 TextAppearance_textStyle, -1); 2697 2698 setTypefaceFromAttrs(familyName, typefaceIndex, styleIndex); 2699 2700 final int shadowcolor = appearance.getInt( 2701 com.android.internal.R.styleable.TextAppearance_shadowColor, 0); 2702 if (shadowcolor != 0) { 2703 final float dx = appearance.getFloat( 2704 com.android.internal.R.styleable.TextAppearance_shadowDx, 0); 2705 final float dy = appearance.getFloat( 2706 com.android.internal.R.styleable.TextAppearance_shadowDy, 0); 2707 final float r = appearance.getFloat( 2708 com.android.internal.R.styleable.TextAppearance_shadowRadius, 0); 2709 2710 setShadowLayer(r, dx, dy, shadowcolor); 2711 } 2712 2713 if (appearance.getBoolean(com.android.internal.R.styleable.TextAppearance_textAllCaps, 2714 false)) { 2715 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 2716 } 2717 2718 if (appearance.hasValue(com.android.internal.R.styleable.TextAppearance_elegantTextHeight)) { 2719 setElegantTextHeight(appearance.getBoolean( 2720 com.android.internal.R.styleable.TextAppearance_elegantTextHeight, false)); 2721 } 2722 2723 if (appearance.hasValue(com.android.internal.R.styleable.TextAppearance_letterSpacing)) { 2724 setLetterSpacing(appearance.getFloat( 2725 com.android.internal.R.styleable.TextAppearance_letterSpacing, 0)); 2726 } 2727 2728 if (appearance.hasValue(com.android.internal.R.styleable.TextAppearance_fontFeatureSettings)) { 2729 setFontFeatureSettings(appearance.getString( 2730 com.android.internal.R.styleable.TextAppearance_fontFeatureSettings)); 2731 } 2732 2733 appearance.recycle(); 2734 } 2735 2736 /** 2737 * Get the default {@link Locale} of the text in this TextView. 2738 * @return the default {@link Locale} of the text in this TextView. 2739 */ 2740 public Locale getTextLocale() { 2741 return mTextPaint.getTextLocale(); 2742 } 2743 2744 /** 2745 * Set the default {@link Locale} of the text in this TextView to the given value. This value 2746 * is used to choose appropriate typefaces for ambiguous characters. Typically used for CJK 2747 * locales to disambiguate Hanzi/Kanji/Hanja characters. 2748 * 2749 * @param locale the {@link Locale} for drawing text, must not be null. 2750 * 2751 * @see Paint#setTextLocale 2752 */ 2753 public void setTextLocale(Locale locale) { 2754 mLocaleChanged = true; 2755 mTextPaint.setTextLocale(locale); 2756 } 2757 2758 @Override 2759 protected void onConfigurationChanged(Configuration newConfig) { 2760 super.onConfigurationChanged(newConfig); 2761 if (!mLocaleChanged) { 2762 mTextPaint.setTextLocale(Locale.getDefault()); 2763 } 2764 } 2765 2766 /** 2767 * @return the size (in pixels) of the default text size in this TextView. 2768 */ 2769 @ViewDebug.ExportedProperty(category = "text") 2770 public float getTextSize() { 2771 return mTextPaint.getTextSize(); 2772 } 2773 2774 /** 2775 * @return the size (in scaled pixels) of thee default text size in this TextView. 2776 * @hide 2777 */ 2778 @ViewDebug.ExportedProperty(category = "text") 2779 public float getScaledTextSize() { 2780 return mTextPaint.getTextSize() / mTextPaint.density; 2781 } 2782 2783 /** @hide */ 2784 @ViewDebug.ExportedProperty(category = "text", mapping = { 2785 @ViewDebug.IntToString(from = Typeface.NORMAL, to = "NORMAL"), 2786 @ViewDebug.IntToString(from = Typeface.BOLD, to = "BOLD"), 2787 @ViewDebug.IntToString(from = Typeface.ITALIC, to = "ITALIC"), 2788 @ViewDebug.IntToString(from = Typeface.BOLD_ITALIC, to = "BOLD_ITALIC") 2789 }) 2790 public int getTypefaceStyle() { 2791 return mTextPaint.getTypeface().getStyle(); 2792 } 2793 2794 /** 2795 * Set the default text size to the given value, interpreted as "scaled 2796 * pixel" units. This size is adjusted based on the current density and 2797 * user font size preference. 2798 * 2799 * @param size The scaled pixel size. 2800 * 2801 * @attr ref android.R.styleable#TextView_textSize 2802 */ 2803 @android.view.RemotableViewMethod 2804 public void setTextSize(float size) { 2805 setTextSize(TypedValue.COMPLEX_UNIT_SP, size); 2806 } 2807 2808 /** 2809 * Set the default text size to a given unit and value. See {@link 2810 * TypedValue} for the possible dimension units. 2811 * 2812 * @param unit The desired dimension unit. 2813 * @param size The desired size in the given units. 2814 * 2815 * @attr ref android.R.styleable#TextView_textSize 2816 */ 2817 public void setTextSize(int unit, float size) { 2818 Context c = getContext(); 2819 Resources r; 2820 2821 if (c == null) 2822 r = Resources.getSystem(); 2823 else 2824 r = c.getResources(); 2825 2826 setRawTextSize(TypedValue.applyDimension( 2827 unit, size, r.getDisplayMetrics())); 2828 } 2829 2830 private void setRawTextSize(float size) { 2831 if (size != mTextPaint.getTextSize()) { 2832 mTextPaint.setTextSize(size); 2833 2834 if (mLayout != null) { 2835 nullLayouts(); 2836 requestLayout(); 2837 invalidate(); 2838 } 2839 } 2840 } 2841 2842 /** 2843 * @return the extent by which text is currently being stretched 2844 * horizontally. This will usually be 1. 2845 */ 2846 public float getTextScaleX() { 2847 return mTextPaint.getTextScaleX(); 2848 } 2849 2850 /** 2851 * Sets the extent by which text should be stretched horizontally. 2852 * 2853 * @attr ref android.R.styleable#TextView_textScaleX 2854 */ 2855 @android.view.RemotableViewMethod 2856 public void setTextScaleX(float size) { 2857 if (size != mTextPaint.getTextScaleX()) { 2858 mUserSetTextScaleX = true; 2859 mTextPaint.setTextScaleX(size); 2860 2861 if (mLayout != null) { 2862 nullLayouts(); 2863 requestLayout(); 2864 invalidate(); 2865 } 2866 } 2867 } 2868 2869 /** 2870 * Sets the typeface and style in which the text should be displayed. 2871 * Note that not all Typeface families actually have bold and italic 2872 * variants, so you may need to use 2873 * {@link #setTypeface(Typeface, int)} to get the appearance 2874 * that you actually want. 2875 * 2876 * @see #getTypeface() 2877 * 2878 * @attr ref android.R.styleable#TextView_fontFamily 2879 * @attr ref android.R.styleable#TextView_typeface 2880 * @attr ref android.R.styleable#TextView_textStyle 2881 */ 2882 public void setTypeface(Typeface tf) { 2883 if (mTextPaint.getTypeface() != tf) { 2884 mTextPaint.setTypeface(tf); 2885 2886 if (mLayout != null) { 2887 nullLayouts(); 2888 requestLayout(); 2889 invalidate(); 2890 } 2891 } 2892 } 2893 2894 /** 2895 * @return the current typeface and style in which the text is being 2896 * displayed. 2897 * 2898 * @see #setTypeface(Typeface) 2899 * 2900 * @attr ref android.R.styleable#TextView_fontFamily 2901 * @attr ref android.R.styleable#TextView_typeface 2902 * @attr ref android.R.styleable#TextView_textStyle 2903 */ 2904 public Typeface getTypeface() { 2905 return mTextPaint.getTypeface(); 2906 } 2907 2908 /** 2909 * Set the TextView's elegant height metrics flag. This setting selects font 2910 * variants that have not been compacted to fit Latin-based vertical 2911 * metrics, and also increases top and bottom bounds to provide more space. 2912 * 2913 * @param elegant set the paint's elegant metrics flag. 2914 * 2915 * @attr ref android.R.styleable#TextView_elegantTextHeight 2916 */ 2917 public void setElegantTextHeight(boolean elegant) { 2918 mTextPaint.setElegantTextHeight(elegant); 2919 } 2920 2921 /** 2922 * @return the extent by which text is currently being letter-spaced. 2923 * This will normally be 0. 2924 * 2925 * @see #setLetterSpacing(float) 2926 * @see Paint#setLetterSpacing 2927 */ 2928 public float getLetterSpacing() { 2929 return mTextPaint.getLetterSpacing(); 2930 } 2931 2932 /** 2933 * Sets text letter-spacing. The value is in 'EM' units. Typical values 2934 * for slight expansion will be around 0.05. Negative values tighten text. 2935 * 2936 * @see #getLetterSpacing() 2937 * @see Paint#getLetterSpacing 2938 * 2939 * @attr ref android.R.styleable#TextView_letterSpacing 2940 */ 2941 @android.view.RemotableViewMethod 2942 public void setLetterSpacing(float letterSpacing) { 2943 if (letterSpacing != mTextPaint.getLetterSpacing()) { 2944 mTextPaint.setLetterSpacing(letterSpacing); 2945 2946 if (mLayout != null) { 2947 nullLayouts(); 2948 requestLayout(); 2949 invalidate(); 2950 } 2951 } 2952 } 2953 2954 /** 2955 * @return the currently set font feature settings. Default is null. 2956 * 2957 * @see #setFontFeatureSettings(String) 2958 * @see Paint#setFontFeatureSettings 2959 */ 2960 @Nullable 2961 public String getFontFeatureSettings() { 2962 return mTextPaint.getFontFeatureSettings(); 2963 } 2964 2965 /** 2966 * Sets font feature settings. The format is the same as the CSS 2967 * font-feature-settings attribute: 2968 * http://dev.w3.org/csswg/css-fonts/#propdef-font-feature-settings 2969 * 2970 * @param fontFeatureSettings font feature settings represented as CSS compatible string 2971 * @see #getFontFeatureSettings() 2972 * @see Paint#getFontFeatureSettings 2973 * 2974 * @attr ref android.R.styleable#TextView_fontFeatureSettings 2975 */ 2976 @android.view.RemotableViewMethod 2977 public void setFontFeatureSettings(@Nullable String fontFeatureSettings) { 2978 if (fontFeatureSettings != mTextPaint.getFontFeatureSettings()) { 2979 mTextPaint.setFontFeatureSettings(fontFeatureSettings); 2980 2981 if (mLayout != null) { 2982 nullLayouts(); 2983 requestLayout(); 2984 invalidate(); 2985 } 2986 } 2987 } 2988 2989 2990 /** 2991 * Sets the text color for all the states (normal, selected, 2992 * focused) to be this color. 2993 * 2994 * @see #setTextColor(ColorStateList) 2995 * @see #getTextColors() 2996 * 2997 * @attr ref android.R.styleable#TextView_textColor 2998 */ 2999 @android.view.RemotableViewMethod 3000 public void setTextColor(int color) { 3001 mTextColor = ColorStateList.valueOf(color); 3002 updateTextColors(); 3003 } 3004 3005 /** 3006 * Sets the text color. 3007 * 3008 * @see #setTextColor(int) 3009 * @see #getTextColors() 3010 * @see #setHintTextColor(ColorStateList) 3011 * @see #setLinkTextColor(ColorStateList) 3012 * 3013 * @attr ref android.R.styleable#TextView_textColor 3014 */ 3015 public void setTextColor(ColorStateList colors) { 3016 if (colors == null) { 3017 throw new NullPointerException(); 3018 } 3019 3020 mTextColor = colors; 3021 updateTextColors(); 3022 } 3023 3024 /** 3025 * Gets the text colors for the different states (normal, selected, focused) of the TextView. 3026 * 3027 * @see #setTextColor(ColorStateList) 3028 * @see #setTextColor(int) 3029 * 3030 * @attr ref android.R.styleable#TextView_textColor 3031 */ 3032 public final ColorStateList getTextColors() { 3033 return mTextColor; 3034 } 3035 3036 /** 3037 * <p>Return the current color selected for normal text.</p> 3038 * 3039 * @return Returns the current text color. 3040 */ 3041 public final int getCurrentTextColor() { 3042 return mCurTextColor; 3043 } 3044 3045 /** 3046 * Sets the color used to display the selection highlight. 3047 * 3048 * @attr ref android.R.styleable#TextView_textColorHighlight 3049 */ 3050 @android.view.RemotableViewMethod 3051 public void setHighlightColor(int color) { 3052 if (mHighlightColor != color) { 3053 mHighlightColor = color; 3054 invalidate(); 3055 } 3056 } 3057 3058 /** 3059 * @return the color used to display the selection highlight 3060 * 3061 * @see #setHighlightColor(int) 3062 * 3063 * @attr ref android.R.styleable#TextView_textColorHighlight 3064 */ 3065 public int getHighlightColor() { 3066 return mHighlightColor; 3067 } 3068 3069 /** 3070 * Sets whether the soft input method will be made visible when this 3071 * TextView gets focused. The default is true. 3072 */ 3073 @android.view.RemotableViewMethod 3074 public final void setShowSoftInputOnFocus(boolean show) { 3075 createEditorIfNeeded(); 3076 mEditor.mShowSoftInputOnFocus = show; 3077 } 3078 3079 /** 3080 * Returns whether the soft input method will be made visible when this 3081 * TextView gets focused. The default is true. 3082 */ 3083 public final boolean getShowSoftInputOnFocus() { 3084 // When there is no Editor, return default true value 3085 return mEditor == null || mEditor.mShowSoftInputOnFocus; 3086 } 3087 3088 /** 3089 * Gives the text a shadow of the specified blur radius and color, the specified 3090 * distance from its drawn position. 3091 * <p> 3092 * The text shadow produced does not interact with the properties on view 3093 * that are responsible for real time shadows, 3094 * {@link View#getElevation() elevation} and 3095 * {@link View#getTranslationZ() translationZ}. 3096 * 3097 * @see Paint#setShadowLayer(float, float, float, int) 3098 * 3099 * @attr ref android.R.styleable#TextView_shadowColor 3100 * @attr ref android.R.styleable#TextView_shadowDx 3101 * @attr ref android.R.styleable#TextView_shadowDy 3102 * @attr ref android.R.styleable#TextView_shadowRadius 3103 */ 3104 public void setShadowLayer(float radius, float dx, float dy, int color) { 3105 mTextPaint.setShadowLayer(radius, dx, dy, color); 3106 3107 mShadowRadius = radius; 3108 mShadowDx = dx; 3109 mShadowDy = dy; 3110 mShadowColor = color; 3111 3112 // Will change text clip region 3113 if (mEditor != null) mEditor.invalidateTextDisplayList(); 3114 invalidate(); 3115 } 3116 3117 /** 3118 * Gets the radius of the shadow layer. 3119 * 3120 * @return the radius of the shadow layer. If 0, the shadow layer is not visible 3121 * 3122 * @see #setShadowLayer(float, float, float, int) 3123 * 3124 * @attr ref android.R.styleable#TextView_shadowRadius 3125 */ 3126 public float getShadowRadius() { 3127 return mShadowRadius; 3128 } 3129 3130 /** 3131 * @return the horizontal offset of the shadow layer 3132 * 3133 * @see #setShadowLayer(float, float, float, int) 3134 * 3135 * @attr ref android.R.styleable#TextView_shadowDx 3136 */ 3137 public float getShadowDx() { 3138 return mShadowDx; 3139 } 3140 3141 /** 3142 * @return the vertical offset of the shadow layer 3143 * 3144 * @see #setShadowLayer(float, float, float, int) 3145 * 3146 * @attr ref android.R.styleable#TextView_shadowDy 3147 */ 3148 public float getShadowDy() { 3149 return mShadowDy; 3150 } 3151 3152 /** 3153 * @return the color of the shadow layer 3154 * 3155 * @see #setShadowLayer(float, float, float, int) 3156 * 3157 * @attr ref android.R.styleable#TextView_shadowColor 3158 */ 3159 public int getShadowColor() { 3160 return mShadowColor; 3161 } 3162 3163 /** 3164 * @return the base paint used for the text. Please use this only to 3165 * consult the Paint's properties and not to change them. 3166 */ 3167 public TextPaint getPaint() { 3168 return mTextPaint; 3169 } 3170 3171 /** 3172 * Sets the autolink mask of the text. See {@link 3173 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 3174 * possible values. 3175 * 3176 * @attr ref android.R.styleable#TextView_autoLink 3177 */ 3178 @android.view.RemotableViewMethod 3179 public final void setAutoLinkMask(int mask) { 3180 mAutoLinkMask = mask; 3181 } 3182 3183 /** 3184 * Sets whether the movement method will automatically be set to 3185 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 3186 * set to nonzero and links are detected in {@link #setText}. 3187 * The default is true. 3188 * 3189 * @attr ref android.R.styleable#TextView_linksClickable 3190 */ 3191 @android.view.RemotableViewMethod 3192 public final void setLinksClickable(boolean whether) { 3193 mLinksClickable = whether; 3194 } 3195 3196 /** 3197 * Returns whether the movement method will automatically be set to 3198 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 3199 * set to nonzero and links are detected in {@link #setText}. 3200 * The default is true. 3201 * 3202 * @attr ref android.R.styleable#TextView_linksClickable 3203 */ 3204 public final boolean getLinksClickable() { 3205 return mLinksClickable; 3206 } 3207 3208 /** 3209 * Returns the list of URLSpans attached to the text 3210 * (by {@link Linkify} or otherwise) if any. You can call 3211 * {@link URLSpan#getURL} on them to find where they link to 3212 * or use {@link Spanned#getSpanStart} and {@link Spanned#getSpanEnd} 3213 * to find the region of the text they are attached to. 3214 */ 3215 public URLSpan[] getUrls() { 3216 if (mText instanceof Spanned) { 3217 return ((Spanned) mText).getSpans(0, mText.length(), URLSpan.class); 3218 } else { 3219 return new URLSpan[0]; 3220 } 3221 } 3222 3223 /** 3224 * Sets the color of the hint text for all the states (disabled, focussed, selected...) of this 3225 * TextView. 3226 * 3227 * @see #setHintTextColor(ColorStateList) 3228 * @see #getHintTextColors() 3229 * @see #setTextColor(int) 3230 * 3231 * @attr ref android.R.styleable#TextView_textColorHint 3232 */ 3233 @android.view.RemotableViewMethod 3234 public final void setHintTextColor(int color) { 3235 mHintTextColor = ColorStateList.valueOf(color); 3236 updateTextColors(); 3237 } 3238 3239 /** 3240 * Sets the color of the hint text. 3241 * 3242 * @see #getHintTextColors() 3243 * @see #setHintTextColor(int) 3244 * @see #setTextColor(ColorStateList) 3245 * @see #setLinkTextColor(ColorStateList) 3246 * 3247 * @attr ref android.R.styleable#TextView_textColorHint 3248 */ 3249 public final void setHintTextColor(ColorStateList colors) { 3250 mHintTextColor = colors; 3251 updateTextColors(); 3252 } 3253 3254 /** 3255 * @return the color of the hint text, for the different states of this TextView. 3256 * 3257 * @see #setHintTextColor(ColorStateList) 3258 * @see #setHintTextColor(int) 3259 * @see #setTextColor(ColorStateList) 3260 * @see #setLinkTextColor(ColorStateList) 3261 * 3262 * @attr ref android.R.styleable#TextView_textColorHint 3263 */ 3264 public final ColorStateList getHintTextColors() { 3265 return mHintTextColor; 3266 } 3267 3268 /** 3269 * <p>Return the current color selected to paint the hint text.</p> 3270 * 3271 * @return Returns the current hint text color. 3272 */ 3273 public final int getCurrentHintTextColor() { 3274 return mHintTextColor != null ? mCurHintTextColor : mCurTextColor; 3275 } 3276 3277 /** 3278 * Sets the color of links in the text. 3279 * 3280 * @see #setLinkTextColor(ColorStateList) 3281 * @see #getLinkTextColors() 3282 * 3283 * @attr ref android.R.styleable#TextView_textColorLink 3284 */ 3285 @android.view.RemotableViewMethod 3286 public final void setLinkTextColor(int color) { 3287 mLinkTextColor = ColorStateList.valueOf(color); 3288 updateTextColors(); 3289 } 3290 3291 /** 3292 * Sets the color of links in the text. 3293 * 3294 * @see #setLinkTextColor(int) 3295 * @see #getLinkTextColors() 3296 * @see #setTextColor(ColorStateList) 3297 * @see #setHintTextColor(ColorStateList) 3298 * 3299 * @attr ref android.R.styleable#TextView_textColorLink 3300 */ 3301 public final void setLinkTextColor(ColorStateList colors) { 3302 mLinkTextColor = colors; 3303 updateTextColors(); 3304 } 3305 3306 /** 3307 * @return the list of colors used to paint the links in the text, for the different states of 3308 * this TextView 3309 * 3310 * @see #setLinkTextColor(ColorStateList) 3311 * @see #setLinkTextColor(int) 3312 * 3313 * @attr ref android.R.styleable#TextView_textColorLink 3314 */ 3315 public final ColorStateList getLinkTextColors() { 3316 return mLinkTextColor; 3317 } 3318 3319 /** 3320 * Sets the horizontal alignment of the text and the 3321 * vertical gravity that will be used when there is extra space 3322 * in the TextView beyond what is required for the text itself. 3323 * 3324 * @see android.view.Gravity 3325 * @attr ref android.R.styleable#TextView_gravity 3326 */ 3327 public void setGravity(int gravity) { 3328 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) == 0) { 3329 gravity |= Gravity.START; 3330 } 3331 if ((gravity & Gravity.VERTICAL_GRAVITY_MASK) == 0) { 3332 gravity |= Gravity.TOP; 3333 } 3334 3335 boolean newLayout = false; 3336 3337 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) != 3338 (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK)) { 3339 newLayout = true; 3340 } 3341 3342 if (gravity != mGravity) { 3343 invalidate(); 3344 } 3345 3346 mGravity = gravity; 3347 3348 if (mLayout != null && newLayout) { 3349 // XXX this is heavy-handed because no actual content changes. 3350 int want = mLayout.getWidth(); 3351 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 3352 3353 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 3354 mRight - mLeft - getCompoundPaddingLeft() - 3355 getCompoundPaddingRight(), true); 3356 } 3357 } 3358 3359 /** 3360 * Returns the horizontal and vertical alignment of this TextView. 3361 * 3362 * @see android.view.Gravity 3363 * @attr ref android.R.styleable#TextView_gravity 3364 */ 3365 public int getGravity() { 3366 return mGravity; 3367 } 3368 3369 /** 3370 * @return the flags on the Paint being used to display the text. 3371 * @see Paint#getFlags 3372 */ 3373 public int getPaintFlags() { 3374 return mTextPaint.getFlags(); 3375 } 3376 3377 /** 3378 * Sets flags on the Paint being used to display the text and 3379 * reflows the text if they are different from the old flags. 3380 * @see Paint#setFlags 3381 */ 3382 @android.view.RemotableViewMethod 3383 public void setPaintFlags(int flags) { 3384 if (mTextPaint.getFlags() != flags) { 3385 mTextPaint.setFlags(flags); 3386 3387 if (mLayout != null) { 3388 nullLayouts(); 3389 requestLayout(); 3390 invalidate(); 3391 } 3392 } 3393 } 3394 3395 /** 3396 * Sets whether the text should be allowed to be wider than the 3397 * View is. If false, it will be wrapped to the width of the View. 3398 * 3399 * @attr ref android.R.styleable#TextView_scrollHorizontally 3400 */ 3401 public void setHorizontallyScrolling(boolean whether) { 3402 if (mHorizontallyScrolling != whether) { 3403 mHorizontallyScrolling = whether; 3404 3405 if (mLayout != null) { 3406 nullLayouts(); 3407 requestLayout(); 3408 invalidate(); 3409 } 3410 } 3411 } 3412 3413 /** 3414 * Returns whether the text is allowed to be wider than the View is. 3415 * If false, the text will be wrapped to the width of the View. 3416 * 3417 * @attr ref android.R.styleable#TextView_scrollHorizontally 3418 * @hide 3419 */ 3420 public boolean getHorizontallyScrolling() { 3421 return mHorizontallyScrolling; 3422 } 3423 3424 /** 3425 * Makes the TextView at least this many lines tall. 3426 * 3427 * Setting this value overrides any other (minimum) height setting. A single line TextView will 3428 * set this value to 1. 3429 * 3430 * @see #getMinLines() 3431 * 3432 * @attr ref android.R.styleable#TextView_minLines 3433 */ 3434 @android.view.RemotableViewMethod 3435 public void setMinLines(int minlines) { 3436 mMinimum = minlines; 3437 mMinMode = LINES; 3438 3439 requestLayout(); 3440 invalidate(); 3441 } 3442 3443 /** 3444 * @return the minimum number of lines displayed in this TextView, or -1 if the minimum 3445 * height was set in pixels instead using {@link #setMinHeight(int) or #setHeight(int)}. 3446 * 3447 * @see #setMinLines(int) 3448 * 3449 * @attr ref android.R.styleable#TextView_minLines 3450 */ 3451 public int getMinLines() { 3452 return mMinMode == LINES ? mMinimum : -1; 3453 } 3454 3455 /** 3456 * Makes the TextView at least this many pixels tall. 3457 * 3458 * Setting this value overrides any other (minimum) number of lines setting. 3459 * 3460 * @attr ref android.R.styleable#TextView_minHeight 3461 */ 3462 @android.view.RemotableViewMethod 3463 public void setMinHeight(int minHeight) { 3464 mMinimum = minHeight; 3465 mMinMode = PIXELS; 3466 3467 requestLayout(); 3468 invalidate(); 3469 } 3470 3471 /** 3472 * @return the minimum height of this TextView expressed in pixels, or -1 if the minimum 3473 * height was set in number of lines instead using {@link #setMinLines(int) or #setLines(int)}. 3474 * 3475 * @see #setMinHeight(int) 3476 * 3477 * @attr ref android.R.styleable#TextView_minHeight 3478 */ 3479 public int getMinHeight() { 3480 return mMinMode == PIXELS ? mMinimum : -1; 3481 } 3482 3483 /** 3484 * Makes the TextView at most this many lines tall. 3485 * 3486 * Setting this value overrides any other (maximum) height setting. 3487 * 3488 * @attr ref android.R.styleable#TextView_maxLines 3489 */ 3490 @android.view.RemotableViewMethod 3491 public void setMaxLines(int maxlines) { 3492 mMaximum = maxlines; 3493 mMaxMode = LINES; 3494 3495 requestLayout(); 3496 invalidate(); 3497 } 3498 3499 /** 3500 * @return the maximum number of lines displayed in this TextView, or -1 if the maximum 3501 * height was set in pixels instead using {@link #setMaxHeight(int) or #setHeight(int)}. 3502 * 3503 * @see #setMaxLines(int) 3504 * 3505 * @attr ref android.R.styleable#TextView_maxLines 3506 */ 3507 public int getMaxLines() { 3508 return mMaxMode == LINES ? mMaximum : -1; 3509 } 3510 3511 /** 3512 * Makes the TextView at most this many pixels tall. This option is mutually exclusive with the 3513 * {@link #setMaxLines(int)} method. 3514 * 3515 * Setting this value overrides any other (maximum) number of lines setting. 3516 * 3517 * @attr ref android.R.styleable#TextView_maxHeight 3518 */ 3519 @android.view.RemotableViewMethod 3520 public void setMaxHeight(int maxHeight) { 3521 mMaximum = maxHeight; 3522 mMaxMode = PIXELS; 3523 3524 requestLayout(); 3525 invalidate(); 3526 } 3527 3528 /** 3529 * @return the maximum height of this TextView expressed in pixels, or -1 if the maximum 3530 * height was set in number of lines instead using {@link #setMaxLines(int) or #setLines(int)}. 3531 * 3532 * @see #setMaxHeight(int) 3533 * 3534 * @attr ref android.R.styleable#TextView_maxHeight 3535 */ 3536 public int getMaxHeight() { 3537 return mMaxMode == PIXELS ? mMaximum : -1; 3538 } 3539 3540 /** 3541 * Makes the TextView exactly this many lines tall. 3542 * 3543 * Note that setting this value overrides any other (minimum / maximum) number of lines or 3544 * height setting. A single line TextView will set this value to 1. 3545 * 3546 * @attr ref android.R.styleable#TextView_lines 3547 */ 3548 @android.view.RemotableViewMethod 3549 public void setLines(int lines) { 3550 mMaximum = mMinimum = lines; 3551 mMaxMode = mMinMode = LINES; 3552 3553 requestLayout(); 3554 invalidate(); 3555 } 3556 3557 /** 3558 * Makes the TextView exactly this many pixels tall. 3559 * You could do the same thing by specifying this number in the 3560 * LayoutParams. 3561 * 3562 * Note that setting this value overrides any other (minimum / maximum) number of lines or 3563 * height setting. 3564 * 3565 * @attr ref android.R.styleable#TextView_height 3566 */ 3567 @android.view.RemotableViewMethod 3568 public void setHeight(int pixels) { 3569 mMaximum = mMinimum = pixels; 3570 mMaxMode = mMinMode = PIXELS; 3571 3572 requestLayout(); 3573 invalidate(); 3574 } 3575 3576 /** 3577 * Makes the TextView at least this many ems wide 3578 * 3579 * @attr ref android.R.styleable#TextView_minEms 3580 */ 3581 @android.view.RemotableViewMethod 3582 public void setMinEms(int minems) { 3583 mMinWidth = minems; 3584 mMinWidthMode = EMS; 3585 3586 requestLayout(); 3587 invalidate(); 3588 } 3589 3590 /** 3591 * @return the minimum width of the TextView, expressed in ems or -1 if the minimum width 3592 * was set in pixels instead (using {@link #setMinWidth(int)} or {@link #setWidth(int)}). 3593 * 3594 * @see #setMinEms(int) 3595 * @see #setEms(int) 3596 * 3597 * @attr ref android.R.styleable#TextView_minEms 3598 */ 3599 public int getMinEms() { 3600 return mMinWidthMode == EMS ? mMinWidth : -1; 3601 } 3602 3603 /** 3604 * Makes the TextView at least this many pixels wide 3605 * 3606 * @attr ref android.R.styleable#TextView_minWidth 3607 */ 3608 @android.view.RemotableViewMethod 3609 public void setMinWidth(int minpixels) { 3610 mMinWidth = minpixels; 3611 mMinWidthMode = PIXELS; 3612 3613 requestLayout(); 3614 invalidate(); 3615 } 3616 3617 /** 3618 * @return the minimum width of the TextView, in pixels or -1 if the minimum width 3619 * was set in ems instead (using {@link #setMinEms(int)} or {@link #setEms(int)}). 3620 * 3621 * @see #setMinWidth(int) 3622 * @see #setWidth(int) 3623 * 3624 * @attr ref android.R.styleable#TextView_minWidth 3625 */ 3626 public int getMinWidth() { 3627 return mMinWidthMode == PIXELS ? mMinWidth : -1; 3628 } 3629 3630 /** 3631 * Makes the TextView at most this many ems wide 3632 * 3633 * @attr ref android.R.styleable#TextView_maxEms 3634 */ 3635 @android.view.RemotableViewMethod 3636 public void setMaxEms(int maxems) { 3637 mMaxWidth = maxems; 3638 mMaxWidthMode = EMS; 3639 3640 requestLayout(); 3641 invalidate(); 3642 } 3643 3644 /** 3645 * @return the maximum width of the TextView, expressed in ems or -1 if the maximum width 3646 * was set in pixels instead (using {@link #setMaxWidth(int)} or {@link #setWidth(int)}). 3647 * 3648 * @see #setMaxEms(int) 3649 * @see #setEms(int) 3650 * 3651 * @attr ref android.R.styleable#TextView_maxEms 3652 */ 3653 public int getMaxEms() { 3654 return mMaxWidthMode == EMS ? mMaxWidth : -1; 3655 } 3656 3657 /** 3658 * Makes the TextView at most this many pixels wide 3659 * 3660 * @attr ref android.R.styleable#TextView_maxWidth 3661 */ 3662 @android.view.RemotableViewMethod 3663 public void setMaxWidth(int maxpixels) { 3664 mMaxWidth = maxpixels; 3665 mMaxWidthMode = PIXELS; 3666 3667 requestLayout(); 3668 invalidate(); 3669 } 3670 3671 /** 3672 * @return the maximum width of the TextView, in pixels or -1 if the maximum width 3673 * was set in ems instead (using {@link #setMaxEms(int)} or {@link #setEms(int)}). 3674 * 3675 * @see #setMaxWidth(int) 3676 * @see #setWidth(int) 3677 * 3678 * @attr ref android.R.styleable#TextView_maxWidth 3679 */ 3680 public int getMaxWidth() { 3681 return mMaxWidthMode == PIXELS ? mMaxWidth : -1; 3682 } 3683 3684 /** 3685 * Makes the TextView exactly this many ems wide 3686 * 3687 * @see #setMaxEms(int) 3688 * @see #setMinEms(int) 3689 * @see #getMinEms() 3690 * @see #getMaxEms() 3691 * 3692 * @attr ref android.R.styleable#TextView_ems 3693 */ 3694 @android.view.RemotableViewMethod 3695 public void setEms(int ems) { 3696 mMaxWidth = mMinWidth = ems; 3697 mMaxWidthMode = mMinWidthMode = EMS; 3698 3699 requestLayout(); 3700 invalidate(); 3701 } 3702 3703 /** 3704 * Makes the TextView exactly this many pixels wide. 3705 * You could do the same thing by specifying this number in the 3706 * LayoutParams. 3707 * 3708 * @see #setMaxWidth(int) 3709 * @see #setMinWidth(int) 3710 * @see #getMinWidth() 3711 * @see #getMaxWidth() 3712 * 3713 * @attr ref android.R.styleable#TextView_width 3714 */ 3715 @android.view.RemotableViewMethod 3716 public void setWidth(int pixels) { 3717 mMaxWidth = mMinWidth = pixels; 3718 mMaxWidthMode = mMinWidthMode = PIXELS; 3719 3720 requestLayout(); 3721 invalidate(); 3722 } 3723 3724 /** 3725 * Sets line spacing for this TextView. Each line will have its height 3726 * multiplied by <code>mult</code> and have <code>add</code> added to it. 3727 * 3728 * @attr ref android.R.styleable#TextView_lineSpacingExtra 3729 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 3730 */ 3731 public void setLineSpacing(float add, float mult) { 3732 if (mSpacingAdd != add || mSpacingMult != mult) { 3733 mSpacingAdd = add; 3734 mSpacingMult = mult; 3735 3736 if (mLayout != null) { 3737 nullLayouts(); 3738 requestLayout(); 3739 invalidate(); 3740 } 3741 } 3742 } 3743 3744 /** 3745 * Gets the line spacing multiplier 3746 * 3747 * @return the value by which each line's height is multiplied to get its actual height. 3748 * 3749 * @see #setLineSpacing(float, float) 3750 * @see #getLineSpacingExtra() 3751 * 3752 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 3753 */ 3754 public float getLineSpacingMultiplier() { 3755 return mSpacingMult; 3756 } 3757 3758 /** 3759 * Gets the line spacing extra space 3760 * 3761 * @return the extra space that is added to the height of each lines of this TextView. 3762 * 3763 * @see #setLineSpacing(float, float) 3764 * @see #getLineSpacingMultiplier() 3765 * 3766 * @attr ref android.R.styleable#TextView_lineSpacingExtra 3767 */ 3768 public float getLineSpacingExtra() { 3769 return mSpacingAdd; 3770 } 3771 3772 /** 3773 * Convenience method: Append the specified text to the TextView's 3774 * display buffer, upgrading it to BufferType.EDITABLE if it was 3775 * not already editable. 3776 */ 3777 public final void append(CharSequence text) { 3778 append(text, 0, text.length()); 3779 } 3780 3781 /** 3782 * Convenience method: Append the specified text slice to the TextView's 3783 * display buffer, upgrading it to BufferType.EDITABLE if it was 3784 * not already editable. 3785 */ 3786 public void append(CharSequence text, int start, int end) { 3787 if (!(mText instanceof Editable)) { 3788 setText(mText, BufferType.EDITABLE); 3789 } 3790 3791 ((Editable) mText).append(text, start, end); 3792 } 3793 3794 private void updateTextColors() { 3795 boolean inval = false; 3796 int color = mTextColor.getColorForState(getDrawableState(), 0); 3797 if (color != mCurTextColor) { 3798 mCurTextColor = color; 3799 inval = true; 3800 } 3801 if (mLinkTextColor != null) { 3802 color = mLinkTextColor.getColorForState(getDrawableState(), 0); 3803 if (color != mTextPaint.linkColor) { 3804 mTextPaint.linkColor = color; 3805 inval = true; 3806 } 3807 } 3808 if (mHintTextColor != null) { 3809 color = mHintTextColor.getColorForState(getDrawableState(), 0); 3810 if (color != mCurHintTextColor) { 3811 mCurHintTextColor = color; 3812 if (mText.length() == 0) { 3813 inval = true; 3814 } 3815 } 3816 } 3817 if (inval) { 3818 // Text needs to be redrawn with the new color 3819 if (mEditor != null) mEditor.invalidateTextDisplayList(); 3820 invalidate(); 3821 } 3822 } 3823 3824 @Override 3825 protected void drawableStateChanged() { 3826 super.drawableStateChanged(); 3827 if (mTextColor != null && mTextColor.isStateful() 3828 || (mHintTextColor != null && mHintTextColor.isStateful()) 3829 || (mLinkTextColor != null && mLinkTextColor.isStateful())) { 3830 updateTextColors(); 3831 } 3832 3833 if (mDrawables != null) { 3834 final int[] state = getDrawableState(); 3835 for (Drawable dr : mDrawables.mShowing) { 3836 if (dr != null && dr.isStateful()) { 3837 dr.setState(state); 3838 } 3839 } 3840 } 3841 } 3842 3843 @Override 3844 public void drawableHotspotChanged(float x, float y) { 3845 super.drawableHotspotChanged(x, y); 3846 3847 if (mDrawables != null) { 3848 final int[] state = getDrawableState(); 3849 for (Drawable dr : mDrawables.mShowing) { 3850 if (dr != null && dr.isStateful()) { 3851 dr.setHotspot(x, y); 3852 } 3853 } 3854 } 3855 } 3856 3857 @Override 3858 public Parcelable onSaveInstanceState() { 3859 Parcelable superState = super.onSaveInstanceState(); 3860 3861 // Save state if we are forced to 3862 boolean save = mFreezesText; 3863 int start = 0; 3864 int end = 0; 3865 3866 if (mText != null) { 3867 start = getSelectionStart(); 3868 end = getSelectionEnd(); 3869 if (start >= 0 || end >= 0) { 3870 // Or save state if there is a selection 3871 save = true; 3872 } 3873 } 3874 3875 if (save) { 3876 SavedState ss = new SavedState(superState); 3877 // XXX Should also save the current scroll position! 3878 ss.selStart = start; 3879 ss.selEnd = end; 3880 3881 if (mText instanceof Spanned) { 3882 Spannable sp = new SpannableStringBuilder(mText); 3883 3884 if (mEditor != null) { 3885 removeMisspelledSpans(sp); 3886 sp.removeSpan(mEditor.mSuggestionRangeSpan); 3887 } 3888 3889 ss.text = sp; 3890 } else { 3891 ss.text = mText.toString(); 3892 } 3893 3894 if (isFocused() && start >= 0 && end >= 0) { 3895 ss.frozenWithFocus = true; 3896 } 3897 3898 ss.error = getError(); 3899 3900 if (mEditor != null) { 3901 ss.editorState = mEditor.saveInstanceState(); 3902 } 3903 return ss; 3904 } 3905 3906 return superState; 3907 } 3908 3909 void removeMisspelledSpans(Spannable spannable) { 3910 SuggestionSpan[] suggestionSpans = spannable.getSpans(0, spannable.length(), 3911 SuggestionSpan.class); 3912 for (int i = 0; i < suggestionSpans.length; i++) { 3913 int flags = suggestionSpans[i].getFlags(); 3914 if ((flags & SuggestionSpan.FLAG_EASY_CORRECT) != 0 3915 && (flags & SuggestionSpan.FLAG_MISSPELLED) != 0) { 3916 spannable.removeSpan(suggestionSpans[i]); 3917 } 3918 } 3919 } 3920 3921 @Override 3922 public void onRestoreInstanceState(Parcelable state) { 3923 if (!(state instanceof SavedState)) { 3924 super.onRestoreInstanceState(state); 3925 return; 3926 } 3927 3928 SavedState ss = (SavedState)state; 3929 super.onRestoreInstanceState(ss.getSuperState()); 3930 3931 // XXX restore buffer type too, as well as lots of other stuff 3932 if (ss.text != null) { 3933 setText(ss.text); 3934 } 3935 3936 if (ss.selStart >= 0 && ss.selEnd >= 0) { 3937 if (mText instanceof Spannable) { 3938 int len = mText.length(); 3939 3940 if (ss.selStart > len || ss.selEnd > len) { 3941 String restored = ""; 3942 3943 if (ss.text != null) { 3944 restored = "(restored) "; 3945 } 3946 3947 Log.e(LOG_TAG, "Saved cursor position " + ss.selStart + 3948 "/" + ss.selEnd + " out of range for " + restored + 3949 "text " + mText); 3950 } else { 3951 Selection.setSelection((Spannable) mText, ss.selStart, ss.selEnd); 3952 3953 if (ss.frozenWithFocus) { 3954 createEditorIfNeeded(); 3955 mEditor.mFrozenWithFocus = true; 3956 } 3957 } 3958 } 3959 } 3960 3961 if (ss.error != null) { 3962 final CharSequence error = ss.error; 3963 // Display the error later, after the first layout pass 3964 post(new Runnable() { 3965 public void run() { 3966 if (mEditor == null || !mEditor.mErrorWasChanged) { 3967 setError(error); 3968 } 3969 } 3970 }); 3971 } 3972 3973 if (ss.editorState != null) { 3974 createEditorIfNeeded(); 3975 mEditor.restoreInstanceState(ss.editorState); 3976 } 3977 } 3978 3979 /** 3980 * Control whether this text view saves its entire text contents when 3981 * freezing to an icicle, in addition to dynamic state such as cursor 3982 * position. By default this is false, not saving the text. Set to true 3983 * if the text in the text view is not being saved somewhere else in 3984 * persistent storage (such as in a content provider) so that if the 3985 * view is later thawed the user will not lose their data. 3986 * 3987 * @param freezesText Controls whether a frozen icicle should include the 3988 * entire text data: true to include it, false to not. 3989 * 3990 * @attr ref android.R.styleable#TextView_freezesText 3991 */ 3992 @android.view.RemotableViewMethod 3993 public void setFreezesText(boolean freezesText) { 3994 mFreezesText = freezesText; 3995 } 3996 3997 /** 3998 * Return whether this text view is including its entire text contents 3999 * in frozen icicles. 4000 * 4001 * @return Returns true if text is included, false if it isn't. 4002 * 4003 * @see #setFreezesText 4004 */ 4005 public boolean getFreezesText() { 4006 return mFreezesText; 4007 } 4008 4009 /////////////////////////////////////////////////////////////////////////// 4010 4011 /** 4012 * Sets the Factory used to create new Editables. 4013 */ 4014 public final void setEditableFactory(Editable.Factory factory) { 4015 mEditableFactory = factory; 4016 setText(mText); 4017 } 4018 4019 /** 4020 * Sets the Factory used to create new Spannables. 4021 */ 4022 public final void setSpannableFactory(Spannable.Factory factory) { 4023 mSpannableFactory = factory; 4024 setText(mText); 4025 } 4026 4027 /** 4028 * Sets the string value of the TextView. TextView <em>does not</em> accept 4029 * HTML-like formatting, which you can do with text strings in XML resource files. 4030 * To style your strings, attach android.text.style.* objects to a 4031 * {@link android.text.SpannableString SpannableString}, or see the 4032 * <a href="{@docRoot}guide/topics/resources/available-resources.html#stringresources"> 4033 * Available Resource Types</a> documentation for an example of setting 4034 * formatted text in the XML resource file. 4035 * 4036 * @attr ref android.R.styleable#TextView_text 4037 */ 4038 @android.view.RemotableViewMethod 4039 public final void setText(CharSequence text) { 4040 setText(text, mBufferType); 4041 } 4042 4043 /** 4044 * Like {@link #setText(CharSequence)}, 4045 * except that the cursor position (if any) is retained in the new text. 4046 * 4047 * @param text The new text to place in the text view. 4048 * 4049 * @see #setText(CharSequence) 4050 */ 4051 @android.view.RemotableViewMethod 4052 public final void setTextKeepState(CharSequence text) { 4053 setTextKeepState(text, mBufferType); 4054 } 4055 4056 /** 4057 * Sets the text that this TextView is to display (see 4058 * {@link #setText(CharSequence)}) and also sets whether it is stored 4059 * in a styleable/spannable buffer and whether it is editable. 4060 * 4061 * @attr ref android.R.styleable#TextView_text 4062 * @attr ref android.R.styleable#TextView_bufferType 4063 */ 4064 public void setText(CharSequence text, BufferType type) { 4065 setText(text, type, true, 0); 4066 4067 if (mCharWrapper != null) { 4068 mCharWrapper.mChars = null; 4069 } 4070 } 4071 4072 private void setText(CharSequence text, BufferType type, 4073 boolean notifyBefore, int oldlen) { 4074 if (text == null) { 4075 text = ""; 4076 } 4077 4078 // If suggestions are not enabled, remove the suggestion spans from the text 4079 if (!isSuggestionsEnabled()) { 4080 text = removeSuggestionSpans(text); 4081 } 4082 4083 if (!mUserSetTextScaleX) mTextPaint.setTextScaleX(1.0f); 4084 4085 if (text instanceof Spanned && 4086 ((Spanned) text).getSpanStart(TextUtils.TruncateAt.MARQUEE) >= 0) { 4087 if (ViewConfiguration.get(mContext).isFadingMarqueeEnabled()) { 4088 setHorizontalFadingEdgeEnabled(true); 4089 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 4090 } else { 4091 setHorizontalFadingEdgeEnabled(false); 4092 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 4093 } 4094 setEllipsize(TextUtils.TruncateAt.MARQUEE); 4095 } 4096 4097 int n = mFilters.length; 4098 for (int i = 0; i < n; i++) { 4099 CharSequence out = mFilters[i].filter(text, 0, text.length(), EMPTY_SPANNED, 0, 0); 4100 if (out != null) { 4101 text = out; 4102 } 4103 } 4104 4105 if (notifyBefore) { 4106 if (mText != null) { 4107 oldlen = mText.length(); 4108 sendBeforeTextChanged(mText, 0, oldlen, text.length()); 4109 } else { 4110 sendBeforeTextChanged("", 0, 0, text.length()); 4111 } 4112 } 4113 4114 boolean needEditableForNotification = false; 4115 4116 if (mListeners != null && mListeners.size() != 0) { 4117 needEditableForNotification = true; 4118 } 4119 4120 if (type == BufferType.EDITABLE || getKeyListener() != null || 4121 needEditableForNotification) { 4122 createEditorIfNeeded(); 4123 mEditor.forgetUndoRedo(); 4124 Editable t = mEditableFactory.newEditable(text); 4125 text = t; 4126 setFilters(t, mFilters); 4127 InputMethodManager imm = InputMethodManager.peekInstance(); 4128 if (imm != null) imm.restartInput(this); 4129 } else if (type == BufferType.SPANNABLE || mMovement != null) { 4130 text = mSpannableFactory.newSpannable(text); 4131 } else if (!(text instanceof CharWrapper)) { 4132 text = TextUtils.stringOrSpannedString(text); 4133 } 4134 4135 if (mAutoLinkMask != 0) { 4136 Spannable s2; 4137 4138 if (type == BufferType.EDITABLE || text instanceof Spannable) { 4139 s2 = (Spannable) text; 4140 } else { 4141 s2 = mSpannableFactory.newSpannable(text); 4142 } 4143 4144 if (Linkify.addLinks(s2, mAutoLinkMask)) { 4145 text = s2; 4146 type = (type == BufferType.EDITABLE) ? BufferType.EDITABLE : BufferType.SPANNABLE; 4147 4148 /* 4149 * We must go ahead and set the text before changing the 4150 * movement method, because setMovementMethod() may call 4151 * setText() again to try to upgrade the buffer type. 4152 */ 4153 mText = text; 4154 4155 // Do not change the movement method for text that support text selection as it 4156 // would prevent an arbitrary cursor displacement. 4157 if (mLinksClickable && !textCanBeSelected()) { 4158 setMovementMethod(LinkMovementMethod.getInstance()); 4159 } 4160 } 4161 } 4162 4163 mBufferType = type; 4164 mText = text; 4165 4166 if (mTransformation == null) { 4167 mTransformed = text; 4168 } else { 4169 mTransformed = mTransformation.getTransformation(text, this); 4170 } 4171 4172 final int textLength = text.length(); 4173 4174 if (text instanceof Spannable && !mAllowTransformationLengthChange) { 4175 Spannable sp = (Spannable) text; 4176 4177 // Remove any ChangeWatchers that might have come from other TextViews. 4178 final ChangeWatcher[] watchers = sp.getSpans(0, sp.length(), ChangeWatcher.class); 4179 final int count = watchers.length; 4180 for (int i = 0; i < count; i++) { 4181 sp.removeSpan(watchers[i]); 4182 } 4183 4184 if (mChangeWatcher == null) mChangeWatcher = new ChangeWatcher(); 4185 4186 sp.setSpan(mChangeWatcher, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE | 4187 (CHANGE_WATCHER_PRIORITY << Spanned.SPAN_PRIORITY_SHIFT)); 4188 4189 if (mEditor != null) mEditor.addSpanWatchers(sp); 4190 4191 if (mTransformation != null) { 4192 sp.setSpan(mTransformation, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE); 4193 } 4194 4195 if (mMovement != null) { 4196 mMovement.initialize(this, (Spannable) text); 4197 4198 /* 4199 * Initializing the movement method will have set the 4200 * selection, so reset mSelectionMoved to keep that from 4201 * interfering with the normal on-focus selection-setting. 4202 */ 4203 if (mEditor != null) mEditor.mSelectionMoved = false; 4204 } 4205 } 4206 4207 if (mLayout != null) { 4208 checkForRelayout(); 4209 } 4210 4211 sendOnTextChanged(text, 0, oldlen, textLength); 4212 onTextChanged(text, 0, oldlen, textLength); 4213 4214 notifyViewAccessibilityStateChangedIfNeeded(AccessibilityEvent.CONTENT_CHANGE_TYPE_TEXT); 4215 4216 if (needEditableForNotification) { 4217 sendAfterTextChanged((Editable) text); 4218 } 4219 4220 // SelectionModifierCursorController depends on textCanBeSelected, which depends on text 4221 if (mEditor != null) mEditor.prepareCursorControllers(); 4222 } 4223 4224 /** 4225 * Sets the TextView to display the specified slice of the specified 4226 * char array. You must promise that you will not change the contents 4227 * of the array except for right before another call to setText(), 4228 * since the TextView has no way to know that the text 4229 * has changed and that it needs to invalidate and re-layout. 4230 */ 4231 public final void setText(char[] text, int start, int len) { 4232 int oldlen = 0; 4233 4234 if (start < 0 || len < 0 || start + len > text.length) { 4235 throw new IndexOutOfBoundsException(start + ", " + len); 4236 } 4237 4238 /* 4239 * We must do the before-notification here ourselves because if 4240 * the old text is a CharWrapper we destroy it before calling 4241 * into the normal path. 4242 */ 4243 if (mText != null) { 4244 oldlen = mText.length(); 4245 sendBeforeTextChanged(mText, 0, oldlen, len); 4246 } else { 4247 sendBeforeTextChanged("", 0, 0, len); 4248 } 4249 4250 if (mCharWrapper == null) { 4251 mCharWrapper = new CharWrapper(text, start, len); 4252 } else { 4253 mCharWrapper.set(text, start, len); 4254 } 4255 4256 setText(mCharWrapper, mBufferType, false, oldlen); 4257 } 4258 4259 /** 4260 * Like {@link #setText(CharSequence, android.widget.TextView.BufferType)}, 4261 * except that the cursor position (if any) is retained in the new text. 4262 * 4263 * @see #setText(CharSequence, android.widget.TextView.BufferType) 4264 */ 4265 public final void setTextKeepState(CharSequence text, BufferType type) { 4266 int start = getSelectionStart(); 4267 int end = getSelectionEnd(); 4268 int len = text.length(); 4269 4270 setText(text, type); 4271 4272 if (start >= 0 || end >= 0) { 4273 if (mText instanceof Spannable) { 4274 Selection.setSelection((Spannable) mText, 4275 Math.max(0, Math.min(start, len)), 4276 Math.max(0, Math.min(end, len))); 4277 } 4278 } 4279 } 4280 4281 @android.view.RemotableViewMethod 4282 public final void setText(@StringRes int resid) { 4283 setText(getContext().getResources().getText(resid)); 4284 } 4285 4286 public final void setText(@StringRes int resid, BufferType type) { 4287 setText(getContext().getResources().getText(resid), type); 4288 } 4289 4290 /** 4291 * Sets the text to be displayed when the text of the TextView is empty. 4292 * Null means to use the normal empty text. The hint does not currently 4293 * participate in determining the size of the view. 4294 * 4295 * @attr ref android.R.styleable#TextView_hint 4296 */ 4297 @android.view.RemotableViewMethod 4298 public final void setHint(CharSequence hint) { 4299 mHint = TextUtils.stringOrSpannedString(hint); 4300 4301 if (mLayout != null) { 4302 checkForRelayout(); 4303 } 4304 4305 if (mText.length() == 0) { 4306 invalidate(); 4307 } 4308 4309 // Invalidate display list if hint is currently used 4310 if (mEditor != null && mText.length() == 0 && mHint != null) { 4311 mEditor.invalidateTextDisplayList(); 4312 } 4313 } 4314 4315 /** 4316 * Sets the text to be displayed when the text of the TextView is empty, 4317 * from a resource. 4318 * 4319 * @attr ref android.R.styleable#TextView_hint 4320 */ 4321 @android.view.RemotableViewMethod 4322 public final void setHint(@StringRes int resid) { 4323 setHint(getContext().getResources().getText(resid)); 4324 } 4325 4326 /** 4327 * Returns the hint that is displayed when the text of the TextView 4328 * is empty. 4329 * 4330 * @attr ref android.R.styleable#TextView_hint 4331 */ 4332 @ViewDebug.CapturedViewProperty 4333 public CharSequence getHint() { 4334 return mHint; 4335 } 4336 4337 boolean isSingleLine() { 4338 return mSingleLine; 4339 } 4340 4341 private static boolean isMultilineInputType(int type) { 4342 return (type & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE)) == 4343 (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE); 4344 } 4345 4346 /** 4347 * Removes the suggestion spans. 4348 */ 4349 CharSequence removeSuggestionSpans(CharSequence text) { 4350 if (text instanceof Spanned) { 4351 Spannable spannable; 4352 if (text instanceof Spannable) { 4353 spannable = (Spannable) text; 4354 } else { 4355 spannable = new SpannableString(text); 4356 text = spannable; 4357 } 4358 4359 SuggestionSpan[] spans = spannable.getSpans(0, text.length(), SuggestionSpan.class); 4360 for (int i = 0; i < spans.length; i++) { 4361 spannable.removeSpan(spans[i]); 4362 } 4363 } 4364 return text; 4365 } 4366 4367 /** 4368 * Set the type of the content with a constant as defined for {@link EditorInfo#inputType}. This 4369 * will take care of changing the key listener, by calling {@link #setKeyListener(KeyListener)}, 4370 * to match the given content type. If the given content type is {@link EditorInfo#TYPE_NULL} 4371 * then a soft keyboard will not be displayed for this text view. 4372 * 4373 * Note that the maximum number of displayed lines (see {@link #setMaxLines(int)}) will be 4374 * modified if you change the {@link EditorInfo#TYPE_TEXT_FLAG_MULTI_LINE} flag of the input 4375 * type. 4376 * 4377 * @see #getInputType() 4378 * @see #setRawInputType(int) 4379 * @see android.text.InputType 4380 * @attr ref android.R.styleable#TextView_inputType 4381 */ 4382 public void setInputType(int type) { 4383 final boolean wasPassword = isPasswordInputType(getInputType()); 4384 final boolean wasVisiblePassword = isVisiblePasswordInputType(getInputType()); 4385 setInputType(type, false); 4386 final boolean isPassword = isPasswordInputType(type); 4387 final boolean isVisiblePassword = isVisiblePasswordInputType(type); 4388 boolean forceUpdate = false; 4389 if (isPassword) { 4390 setTransformationMethod(PasswordTransformationMethod.getInstance()); 4391 setTypefaceFromAttrs(null /* fontFamily */, MONOSPACE, 0); 4392 } else if (isVisiblePassword) { 4393 if (mTransformation == PasswordTransformationMethod.getInstance()) { 4394 forceUpdate = true; 4395 } 4396 setTypefaceFromAttrs(null /* fontFamily */, MONOSPACE, 0); 4397 } else if (wasPassword || wasVisiblePassword) { 4398 // not in password mode, clean up typeface and transformation 4399 setTypefaceFromAttrs(null /* fontFamily */, -1, -1); 4400 if (mTransformation == PasswordTransformationMethod.getInstance()) { 4401 forceUpdate = true; 4402 } 4403 } 4404 4405 boolean singleLine = !isMultilineInputType(type); 4406 4407 // We need to update the single line mode if it has changed or we 4408 // were previously in password mode. 4409 if (mSingleLine != singleLine || forceUpdate) { 4410 // Change single line mode, but only change the transformation if 4411 // we are not in password mode. 4412 applySingleLine(singleLine, !isPassword, true); 4413 } 4414 4415 if (!isSuggestionsEnabled()) { 4416 mText = removeSuggestionSpans(mText); 4417 } 4418 4419 InputMethodManager imm = InputMethodManager.peekInstance(); 4420 if (imm != null) imm.restartInput(this); 4421 } 4422 4423 /** 4424 * It would be better to rely on the input type for everything. A password inputType should have 4425 * a password transformation. We should hence use isPasswordInputType instead of this method. 4426 * 4427 * We should: 4428 * - Call setInputType in setKeyListener instead of changing the input type directly (which 4429 * would install the correct transformation). 4430 * - Refuse the installation of a non-password transformation in setTransformation if the input 4431 * type is password. 4432 * 4433 * However, this is like this for legacy reasons and we cannot break existing apps. This method 4434 * is useful since it matches what the user can see (obfuscated text or not). 4435 * 4436 * @return true if the current transformation method is of the password type. 4437 */ 4438 private boolean hasPasswordTransformationMethod() { 4439 return mTransformation instanceof PasswordTransformationMethod; 4440 } 4441 4442 private static boolean isPasswordInputType(int inputType) { 4443 final int variation = 4444 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 4445 return variation 4446 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD) 4447 || variation 4448 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD) 4449 || variation 4450 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 4451 } 4452 4453 private static boolean isVisiblePasswordInputType(int inputType) { 4454 final int variation = 4455 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 4456 return variation 4457 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD); 4458 } 4459 4460 /** 4461 * Directly change the content type integer of the text view, without 4462 * modifying any other state. 4463 * @see #setInputType(int) 4464 * @see android.text.InputType 4465 * @attr ref android.R.styleable#TextView_inputType 4466 */ 4467 public void setRawInputType(int type) { 4468 if (type == InputType.TYPE_NULL && mEditor == null) return; //TYPE_NULL is the default value 4469 createEditorIfNeeded(); 4470 mEditor.mInputType = type; 4471 } 4472 4473 private void setInputType(int type, boolean direct) { 4474 final int cls = type & EditorInfo.TYPE_MASK_CLASS; 4475 KeyListener input; 4476 if (cls == EditorInfo.TYPE_CLASS_TEXT) { 4477 boolean autotext = (type & EditorInfo.TYPE_TEXT_FLAG_AUTO_CORRECT) != 0; 4478 TextKeyListener.Capitalize cap; 4479 if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS) != 0) { 4480 cap = TextKeyListener.Capitalize.CHARACTERS; 4481 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS) != 0) { 4482 cap = TextKeyListener.Capitalize.WORDS; 4483 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES) != 0) { 4484 cap = TextKeyListener.Capitalize.SENTENCES; 4485 } else { 4486 cap = TextKeyListener.Capitalize.NONE; 4487 } 4488 input = TextKeyListener.getInstance(autotext, cap); 4489 } else if (cls == EditorInfo.TYPE_CLASS_NUMBER) { 4490 input = DigitsKeyListener.getInstance( 4491 (type & EditorInfo.TYPE_NUMBER_FLAG_SIGNED) != 0, 4492 (type & EditorInfo.TYPE_NUMBER_FLAG_DECIMAL) != 0); 4493 } else if (cls == EditorInfo.TYPE_CLASS_DATETIME) { 4494 switch (type & EditorInfo.TYPE_MASK_VARIATION) { 4495 case EditorInfo.TYPE_DATETIME_VARIATION_DATE: 4496 input = DateKeyListener.getInstance(); 4497 break; 4498 case EditorInfo.TYPE_DATETIME_VARIATION_TIME: 4499 input = TimeKeyListener.getInstance(); 4500 break; 4501 default: 4502 input = DateTimeKeyListener.getInstance(); 4503 break; 4504 } 4505 } else if (cls == EditorInfo.TYPE_CLASS_PHONE) { 4506 input = DialerKeyListener.getInstance(); 4507 } else { 4508 input = TextKeyListener.getInstance(); 4509 } 4510 setRawInputType(type); 4511 if (direct) { 4512 createEditorIfNeeded(); 4513 mEditor.mKeyListener = input; 4514 } else { 4515 setKeyListenerOnly(input); 4516 } 4517 } 4518 4519 /** 4520 * Get the type of the editable content. 4521 * 4522 * @see #setInputType(int) 4523 * @see android.text.InputType 4524 */ 4525 public int getInputType() { 4526 return mEditor == null ? EditorInfo.TYPE_NULL : mEditor.mInputType; 4527 } 4528 4529 /** 4530 * Change the editor type integer associated with the text view, which 4531 * will be reported to an IME with {@link EditorInfo#imeOptions} when it 4532 * has focus. 4533 * @see #getImeOptions 4534 * @see android.view.inputmethod.EditorInfo 4535 * @attr ref android.R.styleable#TextView_imeOptions 4536 */ 4537 public void setImeOptions(int imeOptions) { 4538 createEditorIfNeeded(); 4539 mEditor.createInputContentTypeIfNeeded(); 4540 mEditor.mInputContentType.imeOptions = imeOptions; 4541 } 4542 4543 /** 4544 * Get the type of the IME editor. 4545 * 4546 * @see #setImeOptions(int) 4547 * @see android.view.inputmethod.EditorInfo 4548 */ 4549 public int getImeOptions() { 4550 return mEditor != null && mEditor.mInputContentType != null 4551 ? mEditor.mInputContentType.imeOptions : EditorInfo.IME_NULL; 4552 } 4553 4554 /** 4555 * Change the custom IME action associated with the text view, which 4556 * will be reported to an IME with {@link EditorInfo#actionLabel} 4557 * and {@link EditorInfo#actionId} when it has focus. 4558 * @see #getImeActionLabel 4559 * @see #getImeActionId 4560 * @see android.view.inputmethod.EditorInfo 4561 * @attr ref android.R.styleable#TextView_imeActionLabel 4562 * @attr ref android.R.styleable#TextView_imeActionId 4563 */ 4564 public void setImeActionLabel(CharSequence label, int actionId) { 4565 createEditorIfNeeded(); 4566 mEditor.createInputContentTypeIfNeeded(); 4567 mEditor.mInputContentType.imeActionLabel = label; 4568 mEditor.mInputContentType.imeActionId = actionId; 4569 } 4570 4571 /** 4572 * Get the IME action label previous set with {@link #setImeActionLabel}. 4573 * 4574 * @see #setImeActionLabel 4575 * @see android.view.inputmethod.EditorInfo 4576 */ 4577 public CharSequence getImeActionLabel() { 4578 return mEditor != null && mEditor.mInputContentType != null 4579 ? mEditor.mInputContentType.imeActionLabel : null; 4580 } 4581 4582 /** 4583 * Get the IME action ID previous set with {@link #setImeActionLabel}. 4584 * 4585 * @see #setImeActionLabel 4586 * @see android.view.inputmethod.EditorInfo 4587 */ 4588 public int getImeActionId() { 4589 return mEditor != null && mEditor.mInputContentType != null 4590 ? mEditor.mInputContentType.imeActionId : 0; 4591 } 4592 4593 /** 4594 * Set a special listener to be called when an action is performed 4595 * on the text view. This will be called when the enter key is pressed, 4596 * or when an action supplied to the IME is selected by the user. Setting 4597 * this means that the normal hard key event will not insert a newline 4598 * into the text view, even if it is multi-line; holding down the ALT 4599 * modifier will, however, allow the user to insert a newline character. 4600 */ 4601 public void setOnEditorActionListener(OnEditorActionListener l) { 4602 createEditorIfNeeded(); 4603 mEditor.createInputContentTypeIfNeeded(); 4604 mEditor.mInputContentType.onEditorActionListener = l; 4605 } 4606 4607 /** 4608 * Called when an attached input method calls 4609 * {@link InputConnection#performEditorAction(int) 4610 * InputConnection.performEditorAction()} 4611 * for this text view. The default implementation will call your action 4612 * listener supplied to {@link #setOnEditorActionListener}, or perform 4613 * a standard operation for {@link EditorInfo#IME_ACTION_NEXT 4614 * EditorInfo.IME_ACTION_NEXT}, {@link EditorInfo#IME_ACTION_PREVIOUS 4615 * EditorInfo.IME_ACTION_PREVIOUS}, or {@link EditorInfo#IME_ACTION_DONE 4616 * EditorInfo.IME_ACTION_DONE}. 4617 * 4618 * <p>For backwards compatibility, if no IME options have been set and the 4619 * text view would not normally advance focus on enter, then 4620 * the NEXT and DONE actions received here will be turned into an enter 4621 * key down/up pair to go through the normal key handling. 4622 * 4623 * @param actionCode The code of the action being performed. 4624 * 4625 * @see #setOnEditorActionListener 4626 */ 4627 public void onEditorAction(int actionCode) { 4628 final Editor.InputContentType ict = mEditor == null ? null : mEditor.mInputContentType; 4629 if (ict != null) { 4630 if (ict.onEditorActionListener != null) { 4631 if (ict.onEditorActionListener.onEditorAction(this, 4632 actionCode, null)) { 4633 return; 4634 } 4635 } 4636 4637 // This is the handling for some default action. 4638 // Note that for backwards compatibility we don't do this 4639 // default handling if explicit ime options have not been given, 4640 // instead turning this into the normal enter key codes that an 4641 // app may be expecting. 4642 if (actionCode == EditorInfo.IME_ACTION_NEXT) { 4643 View v = focusSearch(FOCUS_FORWARD); 4644 if (v != null) { 4645 if (!v.requestFocus(FOCUS_FORWARD)) { 4646 throw new IllegalStateException("focus search returned a view " + 4647 "that wasn't able to take focus!"); 4648 } 4649 } 4650 return; 4651 4652 } else if (actionCode == EditorInfo.IME_ACTION_PREVIOUS) { 4653 View v = focusSearch(FOCUS_BACKWARD); 4654 if (v != null) { 4655 if (!v.requestFocus(FOCUS_BACKWARD)) { 4656 throw new IllegalStateException("focus search returned a view " + 4657 "that wasn't able to take focus!"); 4658 } 4659 } 4660 return; 4661 4662 } else if (actionCode == EditorInfo.IME_ACTION_DONE) { 4663 InputMethodManager imm = InputMethodManager.peekInstance(); 4664 if (imm != null && imm.isActive(this)) { 4665 imm.hideSoftInputFromWindow(getWindowToken(), 0); 4666 } 4667 return; 4668 } 4669 } 4670 4671 ViewRootImpl viewRootImpl = getViewRootImpl(); 4672 if (viewRootImpl != null) { 4673 long eventTime = SystemClock.uptimeMillis(); 4674 viewRootImpl.dispatchKeyFromIme( 4675 new KeyEvent(eventTime, eventTime, 4676 KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER, 0, 0, 4677 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 4678 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 4679 | KeyEvent.FLAG_EDITOR_ACTION)); 4680 viewRootImpl.dispatchKeyFromIme( 4681 new KeyEvent(SystemClock.uptimeMillis(), eventTime, 4682 KeyEvent.ACTION_UP, KeyEvent.KEYCODE_ENTER, 0, 0, 4683 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 4684 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 4685 | KeyEvent.FLAG_EDITOR_ACTION)); 4686 } 4687 } 4688 4689 /** 4690 * Set the private content type of the text, which is the 4691 * {@link EditorInfo#privateImeOptions EditorInfo.privateImeOptions} 4692 * field that will be filled in when creating an input connection. 4693 * 4694 * @see #getPrivateImeOptions() 4695 * @see EditorInfo#privateImeOptions 4696 * @attr ref android.R.styleable#TextView_privateImeOptions 4697 */ 4698 public void setPrivateImeOptions(String type) { 4699 createEditorIfNeeded(); 4700 mEditor.createInputContentTypeIfNeeded(); 4701 mEditor.mInputContentType.privateImeOptions = type; 4702 } 4703 4704 /** 4705 * Get the private type of the content. 4706 * 4707 * @see #setPrivateImeOptions(String) 4708 * @see EditorInfo#privateImeOptions 4709 */ 4710 public String getPrivateImeOptions() { 4711 return mEditor != null && mEditor.mInputContentType != null 4712 ? mEditor.mInputContentType.privateImeOptions : null; 4713 } 4714 4715 /** 4716 * Set the extra input data of the text, which is the 4717 * {@link EditorInfo#extras TextBoxAttribute.extras} 4718 * Bundle that will be filled in when creating an input connection. The 4719 * given integer is the resource ID of an XML resource holding an 4720 * {@link android.R.styleable#InputExtras <input-extras>} XML tree. 4721 * 4722 * @see #getInputExtras(boolean) 4723 * @see EditorInfo#extras 4724 * @attr ref android.R.styleable#TextView_editorExtras 4725 */ 4726 public void setInputExtras(@XmlRes int xmlResId) throws XmlPullParserException, IOException { 4727 createEditorIfNeeded(); 4728 XmlResourceParser parser = getResources().getXml(xmlResId); 4729 mEditor.createInputContentTypeIfNeeded(); 4730 mEditor.mInputContentType.extras = new Bundle(); 4731 getResources().parseBundleExtras(parser, mEditor.mInputContentType.extras); 4732 } 4733 4734 /** 4735 * Retrieve the input extras currently associated with the text view, which 4736 * can be viewed as well as modified. 4737 * 4738 * @param create If true, the extras will be created if they don't already 4739 * exist. Otherwise, null will be returned if none have been created. 4740 * @see #setInputExtras(int) 4741 * @see EditorInfo#extras 4742 * @attr ref android.R.styleable#TextView_editorExtras 4743 */ 4744 public Bundle getInputExtras(boolean create) { 4745 if (mEditor == null && !create) return null; 4746 createEditorIfNeeded(); 4747 if (mEditor.mInputContentType == null) { 4748 if (!create) return null; 4749 mEditor.createInputContentTypeIfNeeded(); 4750 } 4751 if (mEditor.mInputContentType.extras == null) { 4752 if (!create) return null; 4753 mEditor.mInputContentType.extras = new Bundle(); 4754 } 4755 return mEditor.mInputContentType.extras; 4756 } 4757 4758 /** 4759 * Returns the error message that was set to be displayed with 4760 * {@link #setError}, or <code>null</code> if no error was set 4761 * or if it the error was cleared by the widget after user input. 4762 */ 4763 public CharSequence getError() { 4764 return mEditor == null ? null : mEditor.mError; 4765 } 4766 4767 /** 4768 * Sets the right-hand compound drawable of the TextView to the "error" 4769 * icon and sets an error message that will be displayed in a popup when 4770 * the TextView has focus. The icon and error message will be reset to 4771 * null when any key events cause changes to the TextView's text. If the 4772 * <code>error</code> is <code>null</code>, the error message and icon 4773 * will be cleared. 4774 */ 4775 @android.view.RemotableViewMethod 4776 public void setError(CharSequence error) { 4777 if (error == null) { 4778 setError(null, null); 4779 } else { 4780 Drawable dr = getContext().getDrawable( 4781 com.android.internal.R.drawable.indicator_input_error); 4782 4783 dr.setBounds(0, 0, dr.getIntrinsicWidth(), dr.getIntrinsicHeight()); 4784 setError(error, dr); 4785 } 4786 } 4787 4788 /** 4789 * Sets the right-hand compound drawable of the TextView to the specified 4790 * icon and sets an error message that will be displayed in a popup when 4791 * the TextView has focus. The icon and error message will be reset to 4792 * null when any key events cause changes to the TextView's text. The 4793 * drawable must already have had {@link Drawable#setBounds} set on it. 4794 * If the <code>error</code> is <code>null</code>, the error message will 4795 * be cleared (and you should provide a <code>null</code> icon as well). 4796 */ 4797 public void setError(CharSequence error, Drawable icon) { 4798 createEditorIfNeeded(); 4799 mEditor.setError(error, icon); 4800 notifyViewAccessibilityStateChangedIfNeeded( 4801 AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED); 4802 } 4803 4804 @Override 4805 protected boolean setFrame(int l, int t, int r, int b) { 4806 boolean result = super.setFrame(l, t, r, b); 4807 4808 if (mEditor != null) mEditor.setFrame(); 4809 4810 restartMarqueeIfNeeded(); 4811 4812 return result; 4813 } 4814 4815 private void restartMarqueeIfNeeded() { 4816 if (mRestartMarquee && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 4817 mRestartMarquee = false; 4818 startMarquee(); 4819 } 4820 } 4821 4822 /** 4823 * Sets the list of input filters that will be used if the buffer is 4824 * Editable. Has no effect otherwise. 4825 * 4826 * @attr ref android.R.styleable#TextView_maxLength 4827 */ 4828 public void setFilters(InputFilter[] filters) { 4829 if (filters == null) { 4830 throw new IllegalArgumentException(); 4831 } 4832 4833 mFilters = filters; 4834 4835 if (mText instanceof Editable) { 4836 setFilters((Editable) mText, filters); 4837 } 4838 } 4839 4840 /** 4841 * Sets the list of input filters on the specified Editable, 4842 * and includes mInput in the list if it is an InputFilter. 4843 */ 4844 private void setFilters(Editable e, InputFilter[] filters) { 4845 if (mEditor != null) { 4846 final boolean undoFilter = mEditor.mUndoInputFilter != null; 4847 final boolean keyFilter = mEditor.mKeyListener instanceof InputFilter; 4848 int num = 0; 4849 if (undoFilter) num++; 4850 if (keyFilter) num++; 4851 if (num > 0) { 4852 InputFilter[] nf = new InputFilter[filters.length + num]; 4853 4854 System.arraycopy(filters, 0, nf, 0, filters.length); 4855 num = 0; 4856 if (undoFilter) { 4857 nf[filters.length] = mEditor.mUndoInputFilter; 4858 num++; 4859 } 4860 if (keyFilter) { 4861 nf[filters.length + num] = (InputFilter) mEditor.mKeyListener; 4862 } 4863 4864 e.setFilters(nf); 4865 return; 4866 } 4867 } 4868 e.setFilters(filters); 4869 } 4870 4871 /** 4872 * Returns the current list of input filters. 4873 * 4874 * @attr ref android.R.styleable#TextView_maxLength 4875 */ 4876 public InputFilter[] getFilters() { 4877 return mFilters; 4878 } 4879 4880 ///////////////////////////////////////////////////////////////////////// 4881 4882 private int getBoxHeight(Layout l) { 4883 Insets opticalInsets = isLayoutModeOptical(mParent) ? getOpticalInsets() : Insets.NONE; 4884 int padding = (l == mHintLayout) ? 4885 getCompoundPaddingTop() + getCompoundPaddingBottom() : 4886 getExtendedPaddingTop() + getExtendedPaddingBottom(); 4887 return getMeasuredHeight() - padding + opticalInsets.top + opticalInsets.bottom; 4888 } 4889 4890 int getVerticalOffset(boolean forceNormal) { 4891 int voffset = 0; 4892 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 4893 4894 Layout l = mLayout; 4895 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 4896 l = mHintLayout; 4897 } 4898 4899 if (gravity != Gravity.TOP) { 4900 int boxht = getBoxHeight(l); 4901 int textht = l.getHeight(); 4902 4903 if (textht < boxht) { 4904 if (gravity == Gravity.BOTTOM) 4905 voffset = boxht - textht; 4906 else // (gravity == Gravity.CENTER_VERTICAL) 4907 voffset = (boxht - textht) >> 1; 4908 } 4909 } 4910 return voffset; 4911 } 4912 4913 private int getBottomVerticalOffset(boolean forceNormal) { 4914 int voffset = 0; 4915 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 4916 4917 Layout l = mLayout; 4918 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 4919 l = mHintLayout; 4920 } 4921 4922 if (gravity != Gravity.BOTTOM) { 4923 int boxht = getBoxHeight(l); 4924 int textht = l.getHeight(); 4925 4926 if (textht < boxht) { 4927 if (gravity == Gravity.TOP) 4928 voffset = boxht - textht; 4929 else // (gravity == Gravity.CENTER_VERTICAL) 4930 voffset = (boxht - textht) >> 1; 4931 } 4932 } 4933 return voffset; 4934 } 4935 4936 void invalidateCursorPath() { 4937 if (mHighlightPathBogus) { 4938 invalidateCursor(); 4939 } else { 4940 final int horizontalPadding = getCompoundPaddingLeft(); 4941 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 4942 4943 if (mEditor.mCursorCount == 0) { 4944 synchronized (TEMP_RECTF) { 4945 /* 4946 * The reason for this concern about the thickness of the 4947 * cursor and doing the floor/ceil on the coordinates is that 4948 * some EditTexts (notably textfields in the Browser) have 4949 * anti-aliased text where not all the characters are 4950 * necessarily at integer-multiple locations. This should 4951 * make sure the entire cursor gets invalidated instead of 4952 * sometimes missing half a pixel. 4953 */ 4954 float thick = (float) Math.ceil(mTextPaint.getStrokeWidth()); 4955 if (thick < 1.0f) { 4956 thick = 1.0f; 4957 } 4958 4959 thick /= 2.0f; 4960 4961 // mHighlightPath is guaranteed to be non null at that point. 4962 mHighlightPath.computeBounds(TEMP_RECTF, false); 4963 4964 invalidate((int) Math.floor(horizontalPadding + TEMP_RECTF.left - thick), 4965 (int) Math.floor(verticalPadding + TEMP_RECTF.top - thick), 4966 (int) Math.ceil(horizontalPadding + TEMP_RECTF.right + thick), 4967 (int) Math.ceil(verticalPadding + TEMP_RECTF.bottom + thick)); 4968 } 4969 } else { 4970 for (int i = 0; i < mEditor.mCursorCount; i++) { 4971 Rect bounds = mEditor.mCursorDrawable[i].getBounds(); 4972 invalidate(bounds.left + horizontalPadding, bounds.top + verticalPadding, 4973 bounds.right + horizontalPadding, bounds.bottom + verticalPadding); 4974 } 4975 } 4976 } 4977 } 4978 4979 void invalidateCursor() { 4980 int where = getSelectionEnd(); 4981 4982 invalidateCursor(where, where, where); 4983 } 4984 4985 private void invalidateCursor(int a, int b, int c) { 4986 if (a >= 0 || b >= 0 || c >= 0) { 4987 int start = Math.min(Math.min(a, b), c); 4988 int end = Math.max(Math.max(a, b), c); 4989 invalidateRegion(start, end, true /* Also invalidates blinking cursor */); 4990 } 4991 } 4992 4993 /** 4994 * Invalidates the region of text enclosed between the start and end text offsets. 4995 */ 4996 void invalidateRegion(int start, int end, boolean invalidateCursor) { 4997 if (mLayout == null) { 4998 invalidate(); 4999 } else { 5000 int lineStart = mLayout.getLineForOffset(start); 5001 int top = mLayout.getLineTop(lineStart); 5002 5003 // This is ridiculous, but the descent from the line above 5004 // can hang down into the line we really want to redraw, 5005 // so we have to invalidate part of the line above to make 5006 // sure everything that needs to be redrawn really is. 5007 // (But not the whole line above, because that would cause 5008 // the same problem with the descenders on the line above it!) 5009 if (lineStart > 0) { 5010 top -= mLayout.getLineDescent(lineStart - 1); 5011 } 5012 5013 int lineEnd; 5014 5015 if (start == end) 5016 lineEnd = lineStart; 5017 else 5018 lineEnd = mLayout.getLineForOffset(end); 5019 5020 int bottom = mLayout.getLineBottom(lineEnd); 5021 5022 // mEditor can be null in case selection is set programmatically. 5023 if (invalidateCursor && mEditor != null) { 5024 for (int i = 0; i < mEditor.mCursorCount; i++) { 5025 Rect bounds = mEditor.mCursorDrawable[i].getBounds(); 5026 top = Math.min(top, bounds.top); 5027 bottom = Math.max(bottom, bounds.bottom); 5028 } 5029 } 5030 5031 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5032 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 5033 5034 int left, right; 5035 if (lineStart == lineEnd && !invalidateCursor) { 5036 left = (int) mLayout.getPrimaryHorizontal(start); 5037 right = (int) (mLayout.getPrimaryHorizontal(end) + 1.0); 5038 left += compoundPaddingLeft; 5039 right += compoundPaddingLeft; 5040 } else { 5041 // Rectangle bounding box when the region spans several lines 5042 left = compoundPaddingLeft; 5043 right = getWidth() - getCompoundPaddingRight(); 5044 } 5045 5046 invalidate(mScrollX + left, verticalPadding + top, 5047 mScrollX + right, verticalPadding + bottom); 5048 } 5049 } 5050 5051 private void registerForPreDraw() { 5052 if (!mPreDrawRegistered) { 5053 getViewTreeObserver().addOnPreDrawListener(this); 5054 mPreDrawRegistered = true; 5055 } 5056 } 5057 5058 private void unregisterForPreDraw() { 5059 getViewTreeObserver().removeOnPreDrawListener(this); 5060 mPreDrawRegistered = false; 5061 mPreDrawListenerDetached = false; 5062 } 5063 5064 /** 5065 * {@inheritDoc} 5066 */ 5067 public boolean onPreDraw() { 5068 if (mLayout == null) { 5069 assumeLayout(); 5070 } 5071 5072 if (mMovement != null) { 5073 /* This code also provides auto-scrolling when a cursor is moved using a 5074 * CursorController (insertion point or selection limits). 5075 * For selection, ensure start or end is visible depending on controller's state. 5076 */ 5077 int curs = getSelectionEnd(); 5078 // Do not create the controller if it is not already created. 5079 if (mEditor != null && mEditor.mSelectionModifierCursorController != null && 5080 mEditor.mSelectionModifierCursorController.isSelectionStartDragged()) { 5081 curs = getSelectionStart(); 5082 } 5083 5084 /* 5085 * TODO: This should really only keep the end in view if 5086 * it already was before the text changed. I'm not sure 5087 * of a good way to tell from here if it was. 5088 */ 5089 if (curs < 0 && (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 5090 curs = mText.length(); 5091 } 5092 5093 if (curs >= 0) { 5094 bringPointIntoView(curs); 5095 } 5096 } else { 5097 bringTextIntoView(); 5098 } 5099 5100 // This has to be checked here since: 5101 // - onFocusChanged cannot start it when focus is given to a view with selected text (after 5102 // a screen rotation) since layout is not yet initialized at that point. 5103 if (mEditor != null && mEditor.mCreatedWithASelection) { 5104 mEditor.startSelectionActionMode(); 5105 mEditor.mCreatedWithASelection = false; 5106 } 5107 5108 // Phone specific code (there is no ExtractEditText on tablets). 5109 // ExtractEditText does not call onFocus when it is displayed, and mHasSelectionOnFocus can 5110 // not be set. Do the test here instead. 5111 if (this instanceof ExtractEditText && hasSelection() && mEditor != null) { 5112 mEditor.startSelectionActionMode(); 5113 } 5114 5115 unregisterForPreDraw(); 5116 5117 return true; 5118 } 5119 5120 @Override 5121 protected void onAttachedToWindow() { 5122 super.onAttachedToWindow(); 5123 5124 mTemporaryDetach = false; 5125 5126 if (mEditor != null) mEditor.onAttachedToWindow(); 5127 5128 if (mPreDrawListenerDetached) { 5129 getViewTreeObserver().addOnPreDrawListener(this); 5130 mPreDrawListenerDetached = false; 5131 } 5132 } 5133 5134 /** @hide */ 5135 @Override 5136 protected void onDetachedFromWindowInternal() { 5137 if (mPreDrawRegistered) { 5138 getViewTreeObserver().removeOnPreDrawListener(this); 5139 mPreDrawListenerDetached = true; 5140 } 5141 5142 resetResolvedDrawables(); 5143 5144 if (mEditor != null) mEditor.onDetachedFromWindow(); 5145 5146 super.onDetachedFromWindowInternal(); 5147 } 5148 5149 @Override 5150 public void onScreenStateChanged(int screenState) { 5151 super.onScreenStateChanged(screenState); 5152 if (mEditor != null) mEditor.onScreenStateChanged(screenState); 5153 } 5154 5155 @Override 5156 protected boolean isPaddingOffsetRequired() { 5157 return mShadowRadius != 0 || mDrawables != null; 5158 } 5159 5160 @Override 5161 protected int getLeftPaddingOffset() { 5162 return getCompoundPaddingLeft() - mPaddingLeft + 5163 (int) Math.min(0, mShadowDx - mShadowRadius); 5164 } 5165 5166 @Override 5167 protected int getTopPaddingOffset() { 5168 return (int) Math.min(0, mShadowDy - mShadowRadius); 5169 } 5170 5171 @Override 5172 protected int getBottomPaddingOffset() { 5173 return (int) Math.max(0, mShadowDy + mShadowRadius); 5174 } 5175 5176 private int getFudgedPaddingRight() { 5177 // Add sufficient space for cursor and tone marks 5178 int cursorWidth = 2 + (int)mTextPaint.density; // adequate for Material cursors 5179 return Math.max(0, getCompoundPaddingRight() - (cursorWidth - 1)); 5180 } 5181 5182 @Override 5183 protected int getRightPaddingOffset() { 5184 return -(getFudgedPaddingRight() - mPaddingRight) + 5185 (int) Math.max(0, mShadowDx + mShadowRadius); 5186 } 5187 5188 @Override 5189 protected boolean verifyDrawable(Drawable who) { 5190 final boolean verified = super.verifyDrawable(who); 5191 if (!verified && mDrawables != null) { 5192 for (Drawable dr : mDrawables.mShowing) { 5193 if (who == dr) { 5194 return true; 5195 } 5196 } 5197 } 5198 return verified; 5199 } 5200 5201 @Override 5202 public void jumpDrawablesToCurrentState() { 5203 super.jumpDrawablesToCurrentState(); 5204 if (mDrawables != null) { 5205 for (Drawable dr : mDrawables.mShowing) { 5206 if (dr != null) { 5207 dr.jumpToCurrentState(); 5208 } 5209 } 5210 } 5211 } 5212 5213 @Override 5214 public void invalidateDrawable(Drawable drawable) { 5215 boolean handled = false; 5216 5217 if (verifyDrawable(drawable)) { 5218 final Rect dirty = drawable.getBounds(); 5219 int scrollX = mScrollX; 5220 int scrollY = mScrollY; 5221 5222 // IMPORTANT: The coordinates below are based on the coordinates computed 5223 // for each compound drawable in onDraw(). Make sure to update each section 5224 // accordingly. 5225 final TextView.Drawables drawables = mDrawables; 5226 if (drawables != null) { 5227 if (drawable == drawables.mShowing[Drawables.LEFT]) { 5228 final int compoundPaddingTop = getCompoundPaddingTop(); 5229 final int compoundPaddingBottom = getCompoundPaddingBottom(); 5230 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 5231 5232 scrollX += mPaddingLeft; 5233 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightLeft) / 2; 5234 handled = true; 5235 } else if (drawable == drawables.mShowing[Drawables.RIGHT]) { 5236 final int compoundPaddingTop = getCompoundPaddingTop(); 5237 final int compoundPaddingBottom = getCompoundPaddingBottom(); 5238 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 5239 5240 scrollX += (mRight - mLeft - mPaddingRight - drawables.mDrawableSizeRight); 5241 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightRight) / 2; 5242 handled = true; 5243 } else if (drawable == drawables.mShowing[Drawables.TOP]) { 5244 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5245 final int compoundPaddingRight = getCompoundPaddingRight(); 5246 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 5247 5248 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthTop) / 2; 5249 scrollY += mPaddingTop; 5250 handled = true; 5251 } else if (drawable == drawables.mShowing[Drawables.BOTTOM]) { 5252 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5253 final int compoundPaddingRight = getCompoundPaddingRight(); 5254 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 5255 5256 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthBottom) / 2; 5257 scrollY += (mBottom - mTop - mPaddingBottom - drawables.mDrawableSizeBottom); 5258 handled = true; 5259 } 5260 } 5261 5262 if (handled) { 5263 invalidate(dirty.left + scrollX, dirty.top + scrollY, 5264 dirty.right + scrollX, dirty.bottom + scrollY); 5265 } 5266 } 5267 5268 if (!handled) { 5269 super.invalidateDrawable(drawable); 5270 } 5271 } 5272 5273 @Override 5274 public boolean hasOverlappingRendering() { 5275 // horizontal fading edge causes SaveLayerAlpha, which doesn't support alpha modulation 5276 return ((getBackground() != null && getBackground().getCurrent() != null) 5277 || mText instanceof Spannable || hasSelection() 5278 || isHorizontalFadingEdgeEnabled()); 5279 } 5280 5281 /** 5282 * 5283 * Returns the state of the {@code textIsSelectable} flag (See 5284 * {@link #setTextIsSelectable setTextIsSelectable()}). Although you have to set this flag 5285 * to allow users to select and copy text in a non-editable TextView, the content of an 5286 * {@link EditText} can always be selected, independently of the value of this flag. 5287 * <p> 5288 * 5289 * @return True if the text displayed in this TextView can be selected by the user. 5290 * 5291 * @attr ref android.R.styleable#TextView_textIsSelectable 5292 */ 5293 public boolean isTextSelectable() { 5294 return mEditor == null ? false : mEditor.mTextIsSelectable; 5295 } 5296 5297 /** 5298 * Sets whether the content of this view is selectable by the user. The default is 5299 * {@code false}, meaning that the content is not selectable. 5300 * <p> 5301 * When you use a TextView to display a useful piece of information to the user (such as a 5302 * contact's address), make it selectable, so that the user can select and copy its 5303 * content. You can also use set the XML attribute 5304 * {@link android.R.styleable#TextView_textIsSelectable} to "true". 5305 * <p> 5306 * When you call this method to set the value of {@code textIsSelectable}, it sets 5307 * the flags {@code focusable}, {@code focusableInTouchMode}, {@code clickable}, 5308 * and {@code longClickable} to the same value. These flags correspond to the attributes 5309 * {@link android.R.styleable#View_focusable android:focusable}, 5310 * {@link android.R.styleable#View_focusableInTouchMode android:focusableInTouchMode}, 5311 * {@link android.R.styleable#View_clickable android:clickable}, and 5312 * {@link android.R.styleable#View_longClickable android:longClickable}. To restore any of these 5313 * flags to a state you had set previously, call one or more of the following methods: 5314 * {@link #setFocusable(boolean) setFocusable()}, 5315 * {@link #setFocusableInTouchMode(boolean) setFocusableInTouchMode()}, 5316 * {@link #setClickable(boolean) setClickable()} or 5317 * {@link #setLongClickable(boolean) setLongClickable()}. 5318 * 5319 * @param selectable Whether the content of this TextView should be selectable. 5320 */ 5321 public void setTextIsSelectable(boolean selectable) { 5322 if (!selectable && mEditor == null) return; // false is default value with no edit data 5323 5324 createEditorIfNeeded(); 5325 if (mEditor.mTextIsSelectable == selectable) return; 5326 5327 mEditor.mTextIsSelectable = selectable; 5328 setFocusableInTouchMode(selectable); 5329 setFocusable(selectable); 5330 setClickable(selectable); 5331 setLongClickable(selectable); 5332 5333 // mInputType should already be EditorInfo.TYPE_NULL and mInput should be null 5334 5335 setMovementMethod(selectable ? ArrowKeyMovementMethod.getInstance() : null); 5336 setText(mText, selectable ? BufferType.SPANNABLE : BufferType.NORMAL); 5337 5338 // Called by setText above, but safer in case of future code changes 5339 mEditor.prepareCursorControllers(); 5340 } 5341 5342 @Override 5343 protected int[] onCreateDrawableState(int extraSpace) { 5344 final int[] drawableState; 5345 5346 if (mSingleLine) { 5347 drawableState = super.onCreateDrawableState(extraSpace); 5348 } else { 5349 drawableState = super.onCreateDrawableState(extraSpace + 1); 5350 mergeDrawableStates(drawableState, MULTILINE_STATE_SET); 5351 } 5352 5353 if (isTextSelectable()) { 5354 // Disable pressed state, which was introduced when TextView was made clickable. 5355 // Prevents text color change. 5356 // setClickable(false) would have a similar effect, but it also disables focus changes 5357 // and long press actions, which are both needed by text selection. 5358 final int length = drawableState.length; 5359 for (int i = 0; i < length; i++) { 5360 if (drawableState[i] == R.attr.state_pressed) { 5361 final int[] nonPressedState = new int[length - 1]; 5362 System.arraycopy(drawableState, 0, nonPressedState, 0, i); 5363 System.arraycopy(drawableState, i + 1, nonPressedState, i, length - i - 1); 5364 return nonPressedState; 5365 } 5366 } 5367 } 5368 5369 return drawableState; 5370 } 5371 5372 private Path getUpdatedHighlightPath() { 5373 Path highlight = null; 5374 Paint highlightPaint = mHighlightPaint; 5375 5376 final int selStart = getSelectionStart(); 5377 final int selEnd = getSelectionEnd(); 5378 if (mMovement != null && (isFocused() || isPressed()) && selStart >= 0) { 5379 if (selStart == selEnd) { 5380 if (mEditor != null && mEditor.isCursorVisible() && 5381 (SystemClock.uptimeMillis() - mEditor.mShowCursor) % 5382 (2 * Editor.BLINK) < Editor.BLINK) { 5383 if (mHighlightPathBogus) { 5384 if (mHighlightPath == null) mHighlightPath = new Path(); 5385 mHighlightPath.reset(); 5386 mLayout.getCursorPath(selStart, mHighlightPath, mText); 5387 mEditor.updateCursorsPositions(); 5388 mHighlightPathBogus = false; 5389 } 5390 5391 // XXX should pass to skin instead of drawing directly 5392 highlightPaint.setColor(mCurTextColor); 5393 highlightPaint.setStyle(Paint.Style.STROKE); 5394 highlight = mHighlightPath; 5395 } 5396 } else { 5397 if (mHighlightPathBogus) { 5398 if (mHighlightPath == null) mHighlightPath = new Path(); 5399 mHighlightPath.reset(); 5400 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 5401 mHighlightPathBogus = false; 5402 } 5403 5404 // XXX should pass to skin instead of drawing directly 5405 highlightPaint.setColor(mHighlightColor); 5406 highlightPaint.setStyle(Paint.Style.FILL); 5407 5408 highlight = mHighlightPath; 5409 } 5410 } 5411 return highlight; 5412 } 5413 5414 /** 5415 * @hide 5416 */ 5417 public int getHorizontalOffsetForDrawables() { 5418 return 0; 5419 } 5420 5421 @Override 5422 protected void onDraw(Canvas canvas) { 5423 restartMarqueeIfNeeded(); 5424 5425 // Draw the background for this view 5426 super.onDraw(canvas); 5427 5428 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5429 final int compoundPaddingTop = getCompoundPaddingTop(); 5430 final int compoundPaddingRight = getCompoundPaddingRight(); 5431 final int compoundPaddingBottom = getCompoundPaddingBottom(); 5432 final int scrollX = mScrollX; 5433 final int scrollY = mScrollY; 5434 final int right = mRight; 5435 final int left = mLeft; 5436 final int bottom = mBottom; 5437 final int top = mTop; 5438 final boolean isLayoutRtl = isLayoutRtl(); 5439 final int offset = getHorizontalOffsetForDrawables(); 5440 final int leftOffset = isLayoutRtl ? 0 : offset; 5441 final int rightOffset = isLayoutRtl ? offset : 0 ; 5442 5443 final Drawables dr = mDrawables; 5444 if (dr != null) { 5445 /* 5446 * Compound, not extended, because the icon is not clipped 5447 * if the text height is smaller. 5448 */ 5449 5450 int vspace = bottom - top - compoundPaddingBottom - compoundPaddingTop; 5451 int hspace = right - left - compoundPaddingRight - compoundPaddingLeft; 5452 5453 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5454 // Make sure to update invalidateDrawable() when changing this code. 5455 if (dr.mShowing[Drawables.LEFT] != null) { 5456 canvas.save(); 5457 canvas.translate(scrollX + mPaddingLeft + leftOffset, 5458 scrollY + compoundPaddingTop + 5459 (vspace - dr.mDrawableHeightLeft) / 2); 5460 dr.mShowing[Drawables.LEFT].draw(canvas); 5461 canvas.restore(); 5462 } 5463 5464 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5465 // Make sure to update invalidateDrawable() when changing this code. 5466 if (dr.mShowing[Drawables.RIGHT] != null) { 5467 canvas.save(); 5468 canvas.translate(scrollX + right - left - mPaddingRight 5469 - dr.mDrawableSizeRight - rightOffset, 5470 scrollY + compoundPaddingTop + (vspace - dr.mDrawableHeightRight) / 2); 5471 dr.mShowing[Drawables.RIGHT].draw(canvas); 5472 canvas.restore(); 5473 } 5474 5475 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5476 // Make sure to update invalidateDrawable() when changing this code. 5477 if (dr.mShowing[Drawables.TOP] != null) { 5478 canvas.save(); 5479 canvas.translate(scrollX + compoundPaddingLeft + 5480 (hspace - dr.mDrawableWidthTop) / 2, scrollY + mPaddingTop); 5481 dr.mShowing[Drawables.TOP].draw(canvas); 5482 canvas.restore(); 5483 } 5484 5485 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5486 // Make sure to update invalidateDrawable() when changing this code. 5487 if (dr.mShowing[Drawables.BOTTOM] != null) { 5488 canvas.save(); 5489 canvas.translate(scrollX + compoundPaddingLeft + 5490 (hspace - dr.mDrawableWidthBottom) / 2, 5491 scrollY + bottom - top - mPaddingBottom - dr.mDrawableSizeBottom); 5492 dr.mShowing[Drawables.BOTTOM].draw(canvas); 5493 canvas.restore(); 5494 } 5495 } 5496 5497 int color = mCurTextColor; 5498 5499 if (mLayout == null) { 5500 assumeLayout(); 5501 } 5502 5503 Layout layout = mLayout; 5504 5505 if (mHint != null && mText.length() == 0) { 5506 if (mHintTextColor != null) { 5507 color = mCurHintTextColor; 5508 } 5509 5510 layout = mHintLayout; 5511 } 5512 5513 mTextPaint.setColor(color); 5514 mTextPaint.drawableState = getDrawableState(); 5515 5516 canvas.save(); 5517 /* Would be faster if we didn't have to do this. Can we chop the 5518 (displayable) text so that we don't need to do this ever? 5519 */ 5520 5521 int extendedPaddingTop = getExtendedPaddingTop(); 5522 int extendedPaddingBottom = getExtendedPaddingBottom(); 5523 5524 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 5525 final int maxScrollY = mLayout.getHeight() - vspace; 5526 5527 float clipLeft = compoundPaddingLeft + scrollX; 5528 float clipTop = (scrollY == 0) ? 0 : extendedPaddingTop + scrollY; 5529 float clipRight = right - left - getFudgedPaddingRight() + scrollX; 5530 float clipBottom = bottom - top + scrollY - 5531 ((scrollY == maxScrollY) ? 0 : extendedPaddingBottom); 5532 5533 if (mShadowRadius != 0) { 5534 clipLeft += Math.min(0, mShadowDx - mShadowRadius); 5535 clipRight += Math.max(0, mShadowDx + mShadowRadius); 5536 5537 clipTop += Math.min(0, mShadowDy - mShadowRadius); 5538 clipBottom += Math.max(0, mShadowDy + mShadowRadius); 5539 } 5540 5541 canvas.clipRect(clipLeft, clipTop, clipRight, clipBottom); 5542 5543 int voffsetText = 0; 5544 int voffsetCursor = 0; 5545 5546 // translate in by our padding 5547 /* shortcircuit calling getVerticaOffset() */ 5548 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5549 voffsetText = getVerticalOffset(false); 5550 voffsetCursor = getVerticalOffset(true); 5551 } 5552 canvas.translate(compoundPaddingLeft, extendedPaddingTop + voffsetText); 5553 5554 final int layoutDirection = getLayoutDirection(); 5555 final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection); 5556 if (mEllipsize == TextUtils.TruncateAt.MARQUEE && 5557 mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 5558 if (!mSingleLine && getLineCount() == 1 && canMarquee() && 5559 (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) != Gravity.LEFT) { 5560 final int width = mRight - mLeft; 5561 final int padding = getCompoundPaddingLeft() + getCompoundPaddingRight(); 5562 final float dx = mLayout.getLineRight(0) - (width - padding); 5563 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 5564 } 5565 5566 if (mMarquee != null && mMarquee.isRunning()) { 5567 final float dx = -mMarquee.getScroll(); 5568 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 5569 } 5570 } 5571 5572 final int cursorOffsetVertical = voffsetCursor - voffsetText; 5573 5574 Path highlight = getUpdatedHighlightPath(); 5575 if (mEditor != null) { 5576 mEditor.onDraw(canvas, layout, highlight, mHighlightPaint, cursorOffsetVertical); 5577 } else { 5578 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 5579 } 5580 5581 if (mMarquee != null && mMarquee.shouldDrawGhost()) { 5582 final float dx = mMarquee.getGhostOffset(); 5583 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 5584 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 5585 } 5586 5587 canvas.restore(); 5588 } 5589 5590 @Override 5591 public void getFocusedRect(Rect r) { 5592 if (mLayout == null) { 5593 super.getFocusedRect(r); 5594 return; 5595 } 5596 5597 int selEnd = getSelectionEnd(); 5598 if (selEnd < 0) { 5599 super.getFocusedRect(r); 5600 return; 5601 } 5602 5603 int selStart = getSelectionStart(); 5604 if (selStart < 0 || selStart >= selEnd) { 5605 int line = mLayout.getLineForOffset(selEnd); 5606 r.top = mLayout.getLineTop(line); 5607 r.bottom = mLayout.getLineBottom(line); 5608 r.left = (int) mLayout.getPrimaryHorizontal(selEnd) - 2; 5609 r.right = r.left + 4; 5610 } else { 5611 int lineStart = mLayout.getLineForOffset(selStart); 5612 int lineEnd = mLayout.getLineForOffset(selEnd); 5613 r.top = mLayout.getLineTop(lineStart); 5614 r.bottom = mLayout.getLineBottom(lineEnd); 5615 if (lineStart == lineEnd) { 5616 r.left = (int) mLayout.getPrimaryHorizontal(selStart); 5617 r.right = (int) mLayout.getPrimaryHorizontal(selEnd); 5618 } else { 5619 // Selection extends across multiple lines -- make the focused 5620 // rect cover the entire width. 5621 if (mHighlightPathBogus) { 5622 if (mHighlightPath == null) mHighlightPath = new Path(); 5623 mHighlightPath.reset(); 5624 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 5625 mHighlightPathBogus = false; 5626 } 5627 synchronized (TEMP_RECTF) { 5628 mHighlightPath.computeBounds(TEMP_RECTF, true); 5629 r.left = (int)TEMP_RECTF.left-1; 5630 r.right = (int)TEMP_RECTF.right+1; 5631 } 5632 } 5633 } 5634 5635 // Adjust for padding and gravity. 5636 int paddingLeft = getCompoundPaddingLeft(); 5637 int paddingTop = getExtendedPaddingTop(); 5638 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5639 paddingTop += getVerticalOffset(false); 5640 } 5641 r.offset(paddingLeft, paddingTop); 5642 int paddingBottom = getExtendedPaddingBottom(); 5643 r.bottom += paddingBottom; 5644 } 5645 5646 /** 5647 * Return the number of lines of text, or 0 if the internal Layout has not 5648 * been built. 5649 */ 5650 public int getLineCount() { 5651 return mLayout != null ? mLayout.getLineCount() : 0; 5652 } 5653 5654 /** 5655 * Return the baseline for the specified line (0...getLineCount() - 1) 5656 * If bounds is not null, return the top, left, right, bottom extents 5657 * of the specified line in it. If the internal Layout has not been built, 5658 * return 0 and set bounds to (0, 0, 0, 0) 5659 * @param line which line to examine (0..getLineCount() - 1) 5660 * @param bounds Optional. If not null, it returns the extent of the line 5661 * @return the Y-coordinate of the baseline 5662 */ 5663 public int getLineBounds(int line, Rect bounds) { 5664 if (mLayout == null) { 5665 if (bounds != null) { 5666 bounds.set(0, 0, 0, 0); 5667 } 5668 return 0; 5669 } 5670 else { 5671 int baseline = mLayout.getLineBounds(line, bounds); 5672 5673 int voffset = getExtendedPaddingTop(); 5674 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5675 voffset += getVerticalOffset(true); 5676 } 5677 if (bounds != null) { 5678 bounds.offset(getCompoundPaddingLeft(), voffset); 5679 } 5680 return baseline + voffset; 5681 } 5682 } 5683 5684 @Override 5685 public int getBaseline() { 5686 if (mLayout == null) { 5687 return super.getBaseline(); 5688 } 5689 5690 int voffset = 0; 5691 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5692 voffset = getVerticalOffset(true); 5693 } 5694 5695 if (isLayoutModeOptical(mParent)) { 5696 voffset -= getOpticalInsets().top; 5697 } 5698 5699 return getExtendedPaddingTop() + voffset + mLayout.getLineBaseline(0); 5700 } 5701 5702 /** 5703 * @hide 5704 */ 5705 @Override 5706 protected int getFadeTop(boolean offsetRequired) { 5707 if (mLayout == null) return 0; 5708 5709 int voffset = 0; 5710 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5711 voffset = getVerticalOffset(true); 5712 } 5713 5714 if (offsetRequired) voffset += getTopPaddingOffset(); 5715 5716 return getExtendedPaddingTop() + voffset; 5717 } 5718 5719 /** 5720 * @hide 5721 */ 5722 @Override 5723 protected int getFadeHeight(boolean offsetRequired) { 5724 return mLayout != null ? mLayout.getHeight() : 0; 5725 } 5726 5727 @Override 5728 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 5729 if (keyCode == KeyEvent.KEYCODE_BACK) { 5730 boolean isInSelectionMode = mEditor != null && mEditor.mSelectionActionMode != null; 5731 5732 if (isInSelectionMode) { 5733 if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) { 5734 KeyEvent.DispatcherState state = getKeyDispatcherState(); 5735 if (state != null) { 5736 state.startTracking(event, this); 5737 } 5738 return true; 5739 } else if (event.getAction() == KeyEvent.ACTION_UP) { 5740 KeyEvent.DispatcherState state = getKeyDispatcherState(); 5741 if (state != null) { 5742 state.handleUpEvent(event); 5743 } 5744 if (event.isTracking() && !event.isCanceled()) { 5745 stopSelectionActionMode(); 5746 return true; 5747 } 5748 } 5749 } 5750 } 5751 return super.onKeyPreIme(keyCode, event); 5752 } 5753 5754 @Override 5755 public boolean onKeyDown(int keyCode, KeyEvent event) { 5756 int which = doKeyDown(keyCode, event, null); 5757 if (which == 0) { 5758 return super.onKeyDown(keyCode, event); 5759 } 5760 5761 return true; 5762 } 5763 5764 @Override 5765 public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) { 5766 KeyEvent down = KeyEvent.changeAction(event, KeyEvent.ACTION_DOWN); 5767 5768 int which = doKeyDown(keyCode, down, event); 5769 if (which == 0) { 5770 // Go through default dispatching. 5771 return super.onKeyMultiple(keyCode, repeatCount, event); 5772 } 5773 if (which == -1) { 5774 // Consumed the whole thing. 5775 return true; 5776 } 5777 5778 repeatCount--; 5779 5780 // We are going to dispatch the remaining events to either the input 5781 // or movement method. To do this, we will just send a repeated stream 5782 // of down and up events until we have done the complete repeatCount. 5783 // It would be nice if those interfaces had an onKeyMultiple() method, 5784 // but adding that is a more complicated change. 5785 KeyEvent up = KeyEvent.changeAction(event, KeyEvent.ACTION_UP); 5786 if (which == 1) { 5787 // mEditor and mEditor.mInput are not null from doKeyDown 5788 mEditor.mKeyListener.onKeyUp(this, (Editable)mText, keyCode, up); 5789 while (--repeatCount > 0) { 5790 mEditor.mKeyListener.onKeyDown(this, (Editable)mText, keyCode, down); 5791 mEditor.mKeyListener.onKeyUp(this, (Editable)mText, keyCode, up); 5792 } 5793 hideErrorIfUnchanged(); 5794 5795 } else if (which == 2) { 5796 // mMovement is not null from doKeyDown 5797 mMovement.onKeyUp(this, (Spannable)mText, keyCode, up); 5798 while (--repeatCount > 0) { 5799 mMovement.onKeyDown(this, (Spannable)mText, keyCode, down); 5800 mMovement.onKeyUp(this, (Spannable)mText, keyCode, up); 5801 } 5802 } 5803 5804 return true; 5805 } 5806 5807 /** 5808 * Returns true if pressing ENTER in this field advances focus instead 5809 * of inserting the character. This is true mostly in single-line fields, 5810 * but also in mail addresses and subjects which will display on multiple 5811 * lines but where it doesn't make sense to insert newlines. 5812 */ 5813 private boolean shouldAdvanceFocusOnEnter() { 5814 if (getKeyListener() == null) { 5815 return false; 5816 } 5817 5818 if (mSingleLine) { 5819 return true; 5820 } 5821 5822 if (mEditor != null && 5823 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 5824 int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 5825 if (variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_ADDRESS 5826 || variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT) { 5827 return true; 5828 } 5829 } 5830 5831 return false; 5832 } 5833 5834 /** 5835 * Returns true if pressing TAB in this field advances focus instead 5836 * of inserting the character. Insert tabs only in multi-line editors. 5837 */ 5838 private boolean shouldAdvanceFocusOnTab() { 5839 if (getKeyListener() != null && !mSingleLine && mEditor != null && 5840 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 5841 int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 5842 if (variation == EditorInfo.TYPE_TEXT_FLAG_IME_MULTI_LINE 5843 || variation == EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE) { 5844 return false; 5845 } 5846 } 5847 return true; 5848 } 5849 5850 private int doKeyDown(int keyCode, KeyEvent event, KeyEvent otherEvent) { 5851 if (!isEnabled()) { 5852 return 0; 5853 } 5854 5855 // If this is the initial keydown, we don't want to prevent a movement away from this view. 5856 // While this shouldn't be necessary because any time we're preventing default movement we 5857 // should be restricting the focus to remain within this view, thus we'll also receive 5858 // the key up event, occasionally key up events will get dropped and we don't want to 5859 // prevent the user from traversing out of this on the next key down. 5860 if (event.getRepeatCount() == 0 && !KeyEvent.isModifierKey(keyCode)) { 5861 mPreventDefaultMovement = false; 5862 } 5863 5864 switch (keyCode) { 5865 case KeyEvent.KEYCODE_ENTER: 5866 if (event.hasNoModifiers()) { 5867 // When mInputContentType is set, we know that we are 5868 // running in a "modern" cupcake environment, so don't need 5869 // to worry about the application trying to capture 5870 // enter key events. 5871 if (mEditor != null && mEditor.mInputContentType != null) { 5872 // If there is an action listener, given them a 5873 // chance to consume the event. 5874 if (mEditor.mInputContentType.onEditorActionListener != null && 5875 mEditor.mInputContentType.onEditorActionListener.onEditorAction( 5876 this, EditorInfo.IME_NULL, event)) { 5877 mEditor.mInputContentType.enterDown = true; 5878 // We are consuming the enter key for them. 5879 return -1; 5880 } 5881 } 5882 5883 // If our editor should move focus when enter is pressed, or 5884 // this is a generated event from an IME action button, then 5885 // don't let it be inserted into the text. 5886 if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 5887 || shouldAdvanceFocusOnEnter()) { 5888 if (hasOnClickListeners()) { 5889 return 0; 5890 } 5891 return -1; 5892 } 5893 } 5894 break; 5895 5896 case KeyEvent.KEYCODE_DPAD_CENTER: 5897 if (event.hasNoModifiers()) { 5898 if (shouldAdvanceFocusOnEnter()) { 5899 return 0; 5900 } 5901 } 5902 break; 5903 5904 case KeyEvent.KEYCODE_TAB: 5905 if (event.hasNoModifiers() || event.hasModifiers(KeyEvent.META_SHIFT_ON)) { 5906 if (shouldAdvanceFocusOnTab()) { 5907 return 0; 5908 } 5909 } 5910 break; 5911 5912 // Has to be done on key down (and not on key up) to correctly be intercepted. 5913 case KeyEvent.KEYCODE_BACK: 5914 if (mEditor != null && mEditor.mSelectionActionMode != null) { 5915 stopSelectionActionMode(); 5916 return -1; 5917 } 5918 break; 5919 } 5920 5921 if (mEditor != null && mEditor.mKeyListener != null) { 5922 boolean doDown = true; 5923 if (otherEvent != null) { 5924 try { 5925 beginBatchEdit(); 5926 final boolean handled = mEditor.mKeyListener.onKeyOther(this, (Editable) mText, 5927 otherEvent); 5928 hideErrorIfUnchanged(); 5929 doDown = false; 5930 if (handled) { 5931 return -1; 5932 } 5933 } catch (AbstractMethodError e) { 5934 // onKeyOther was added after 1.0, so if it isn't 5935 // implemented we need to try to dispatch as a regular down. 5936 } finally { 5937 endBatchEdit(); 5938 } 5939 } 5940 5941 if (doDown) { 5942 beginBatchEdit(); 5943 final boolean handled = mEditor.mKeyListener.onKeyDown(this, (Editable) mText, 5944 keyCode, event); 5945 endBatchEdit(); 5946 hideErrorIfUnchanged(); 5947 if (handled) return 1; 5948 } 5949 } 5950 5951 // bug 650865: sometimes we get a key event before a layout. 5952 // don't try to move around if we don't know the layout. 5953 5954 if (mMovement != null && mLayout != null) { 5955 boolean doDown = true; 5956 if (otherEvent != null) { 5957 try { 5958 boolean handled = mMovement.onKeyOther(this, (Spannable) mText, 5959 otherEvent); 5960 doDown = false; 5961 if (handled) { 5962 return -1; 5963 } 5964 } catch (AbstractMethodError e) { 5965 // onKeyOther was added after 1.0, so if it isn't 5966 // implemented we need to try to dispatch as a regular down. 5967 } 5968 } 5969 if (doDown) { 5970 if (mMovement.onKeyDown(this, (Spannable)mText, keyCode, event)) { 5971 if (event.getRepeatCount() == 0 && !KeyEvent.isModifierKey(keyCode)) { 5972 mPreventDefaultMovement = true; 5973 } 5974 return 2; 5975 } 5976 } 5977 } 5978 5979 return mPreventDefaultMovement && !KeyEvent.isModifierKey(keyCode) ? -1 : 0; 5980 } 5981 5982 /** 5983 * Resets the mErrorWasChanged flag, so that future calls to {@link #setError(CharSequence)} 5984 * can be recorded. 5985 * @hide 5986 */ 5987 public void resetErrorChangedFlag() { 5988 /* 5989 * Keep track of what the error was before doing the input 5990 * so that if an input filter changed the error, we leave 5991 * that error showing. Otherwise, we take down whatever 5992 * error was showing when the user types something. 5993 */ 5994 if (mEditor != null) mEditor.mErrorWasChanged = false; 5995 } 5996 5997 /** 5998 * @hide 5999 */ 6000 public void hideErrorIfUnchanged() { 6001 if (mEditor != null && mEditor.mError != null && !mEditor.mErrorWasChanged) { 6002 setError(null, null); 6003 } 6004 } 6005 6006 @Override 6007 public boolean onKeyUp(int keyCode, KeyEvent event) { 6008 if (!isEnabled()) { 6009 return super.onKeyUp(keyCode, event); 6010 } 6011 6012 if (!KeyEvent.isModifierKey(keyCode)) { 6013 mPreventDefaultMovement = false; 6014 } 6015 6016 switch (keyCode) { 6017 case KeyEvent.KEYCODE_DPAD_CENTER: 6018 if (event.hasNoModifiers()) { 6019 /* 6020 * If there is a click listener, just call through to 6021 * super, which will invoke it. 6022 * 6023 * If there isn't a click listener, try to show the soft 6024 * input method. (It will also 6025 * call performClick(), but that won't do anything in 6026 * this case.) 6027 */ 6028 if (!hasOnClickListeners()) { 6029 if (mMovement != null && mText instanceof Editable 6030 && mLayout != null && onCheckIsTextEditor()) { 6031 InputMethodManager imm = InputMethodManager.peekInstance(); 6032 viewClicked(imm); 6033 if (imm != null && getShowSoftInputOnFocus()) { 6034 imm.showSoftInput(this, 0); 6035 } 6036 } 6037 } 6038 } 6039 return super.onKeyUp(keyCode, event); 6040 6041 case KeyEvent.KEYCODE_ENTER: 6042 if (event.hasNoModifiers()) { 6043 if (mEditor != null && mEditor.mInputContentType != null 6044 && mEditor.mInputContentType.onEditorActionListener != null 6045 && mEditor.mInputContentType.enterDown) { 6046 mEditor.mInputContentType.enterDown = false; 6047 if (mEditor.mInputContentType.onEditorActionListener.onEditorAction( 6048 this, EditorInfo.IME_NULL, event)) { 6049 return true; 6050 } 6051 } 6052 6053 if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 6054 || shouldAdvanceFocusOnEnter()) { 6055 /* 6056 * If there is a click listener, just call through to 6057 * super, which will invoke it. 6058 * 6059 * If there isn't a click listener, try to advance focus, 6060 * but still call through to super, which will reset the 6061 * pressed state and longpress state. (It will also 6062 * call performClick(), but that won't do anything in 6063 * this case.) 6064 */ 6065 if (!hasOnClickListeners()) { 6066 View v = focusSearch(FOCUS_DOWN); 6067 6068 if (v != null) { 6069 if (!v.requestFocus(FOCUS_DOWN)) { 6070 throw new IllegalStateException( 6071 "focus search returned a view " + 6072 "that wasn't able to take focus!"); 6073 } 6074 6075 /* 6076 * Return true because we handled the key; super 6077 * will return false because there was no click 6078 * listener. 6079 */ 6080 super.onKeyUp(keyCode, event); 6081 return true; 6082 } else if ((event.getFlags() 6083 & KeyEvent.FLAG_EDITOR_ACTION) != 0) { 6084 // No target for next focus, but make sure the IME 6085 // if this came from it. 6086 InputMethodManager imm = InputMethodManager.peekInstance(); 6087 if (imm != null && imm.isActive(this)) { 6088 imm.hideSoftInputFromWindow(getWindowToken(), 0); 6089 } 6090 } 6091 } 6092 } 6093 return super.onKeyUp(keyCode, event); 6094 } 6095 break; 6096 } 6097 6098 if (mEditor != null && mEditor.mKeyListener != null) 6099 if (mEditor.mKeyListener.onKeyUp(this, (Editable) mText, keyCode, event)) 6100 return true; 6101 6102 if (mMovement != null && mLayout != null) 6103 if (mMovement.onKeyUp(this, (Spannable) mText, keyCode, event)) 6104 return true; 6105 6106 return super.onKeyUp(keyCode, event); 6107 } 6108 6109 @Override 6110 public boolean onCheckIsTextEditor() { 6111 return mEditor != null && mEditor.mInputType != EditorInfo.TYPE_NULL; 6112 } 6113 6114 @Override 6115 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 6116 if (onCheckIsTextEditor() && isEnabled()) { 6117 mEditor.createInputMethodStateIfNeeded(); 6118 outAttrs.inputType = getInputType(); 6119 if (mEditor.mInputContentType != null) { 6120 outAttrs.imeOptions = mEditor.mInputContentType.imeOptions; 6121 outAttrs.privateImeOptions = mEditor.mInputContentType.privateImeOptions; 6122 outAttrs.actionLabel = mEditor.mInputContentType.imeActionLabel; 6123 outAttrs.actionId = mEditor.mInputContentType.imeActionId; 6124 outAttrs.extras = mEditor.mInputContentType.extras; 6125 } else { 6126 outAttrs.imeOptions = EditorInfo.IME_NULL; 6127 } 6128 if (focusSearch(FOCUS_DOWN) != null) { 6129 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_NEXT; 6130 } 6131 if (focusSearch(FOCUS_UP) != null) { 6132 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS; 6133 } 6134 if ((outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION) 6135 == EditorInfo.IME_ACTION_UNSPECIFIED) { 6136 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NAVIGATE_NEXT) != 0) { 6137 // An action has not been set, but the enter key will move to 6138 // the next focus, so set the action to that. 6139 outAttrs.imeOptions |= EditorInfo.IME_ACTION_NEXT; 6140 } else { 6141 // An action has not been set, and there is no focus to move 6142 // to, so let's just supply a "done" action. 6143 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 6144 } 6145 if (!shouldAdvanceFocusOnEnter()) { 6146 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 6147 } 6148 } 6149 if (isMultilineInputType(outAttrs.inputType)) { 6150 // Multi-line text editors should always show an enter key. 6151 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 6152 } 6153 outAttrs.hintText = mHint; 6154 if (mText instanceof Editable) { 6155 InputConnection ic = new EditableInputConnection(this); 6156 outAttrs.initialSelStart = getSelectionStart(); 6157 outAttrs.initialSelEnd = getSelectionEnd(); 6158 outAttrs.initialCapsMode = ic.getCursorCapsMode(getInputType()); 6159 return ic; 6160 } 6161 } 6162 return null; 6163 } 6164 6165 /** 6166 * If this TextView contains editable content, extract a portion of it 6167 * based on the information in <var>request</var> in to <var>outText</var>. 6168 * @return Returns true if the text was successfully extracted, else false. 6169 */ 6170 public boolean extractText(ExtractedTextRequest request, ExtractedText outText) { 6171 createEditorIfNeeded(); 6172 return mEditor.extractText(request, outText); 6173 } 6174 6175 /** 6176 * This is used to remove all style-impacting spans from text before new 6177 * extracted text is being replaced into it, so that we don't have any 6178 * lingering spans applied during the replace. 6179 */ 6180 static void removeParcelableSpans(Spannable spannable, int start, int end) { 6181 Object[] spans = spannable.getSpans(start, end, ParcelableSpan.class); 6182 int i = spans.length; 6183 while (i > 0) { 6184 i--; 6185 spannable.removeSpan(spans[i]); 6186 } 6187 } 6188 6189 /** 6190 * Apply to this text view the given extracted text, as previously 6191 * returned by {@link #extractText(ExtractedTextRequest, ExtractedText)}. 6192 */ 6193 public void setExtractedText(ExtractedText text) { 6194 Editable content = getEditableText(); 6195 if (text.text != null) { 6196 if (content == null) { 6197 setText(text.text, TextView.BufferType.EDITABLE); 6198 } else if (text.partialStartOffset < 0) { 6199 removeParcelableSpans(content, 0, content.length()); 6200 content.replace(0, content.length(), text.text); 6201 } else { 6202 final int N = content.length(); 6203 int start = text.partialStartOffset; 6204 if (start > N) start = N; 6205 int end = text.partialEndOffset; 6206 if (end > N) end = N; 6207 removeParcelableSpans(content, start, end); 6208 content.replace(start, end, text.text); 6209 } 6210 } 6211 6212 // Now set the selection position... make sure it is in range, to 6213 // avoid crashes. If this is a partial update, it is possible that 6214 // the underlying text may have changed, causing us problems here. 6215 // Also we just don't want to trust clients to do the right thing. 6216 Spannable sp = (Spannable)getText(); 6217 final int N = sp.length(); 6218 int start = text.selectionStart; 6219 if (start < 0) start = 0; 6220 else if (start > N) start = N; 6221 int end = text.selectionEnd; 6222 if (end < 0) end = 0; 6223 else if (end > N) end = N; 6224 Selection.setSelection(sp, start, end); 6225 6226 // Finally, update the selection mode. 6227 if ((text.flags&ExtractedText.FLAG_SELECTING) != 0) { 6228 MetaKeyKeyListener.startSelecting(this, sp); 6229 } else { 6230 MetaKeyKeyListener.stopSelecting(this, sp); 6231 } 6232 } 6233 6234 /** 6235 * @hide 6236 */ 6237 public void setExtracting(ExtractedTextRequest req) { 6238 if (mEditor.mInputMethodState != null) { 6239 mEditor.mInputMethodState.mExtractedTextRequest = req; 6240 } 6241 // This would stop a possible selection mode, but no such mode is started in case 6242 // extracted mode will start. Some text is selected though, and will trigger an action mode 6243 // in the extracted view. 6244 mEditor.hideControllers(); 6245 } 6246 6247 /** 6248 * Called by the framework in response to a text completion from 6249 * the current input method, provided by it calling 6250 * {@link InputConnection#commitCompletion 6251 * InputConnection.commitCompletion()}. The default implementation does 6252 * nothing; text views that are supporting auto-completion should override 6253 * this to do their desired behavior. 6254 * 6255 * @param text The auto complete text the user has selected. 6256 */ 6257 public void onCommitCompletion(CompletionInfo text) { 6258 // intentionally empty 6259 } 6260 6261 /** 6262 * Called by the framework in response to a text auto-correction (such as fixing a typo using a 6263 * a dictionnary) from the current input method, provided by it calling 6264 * {@link InputConnection#commitCorrection} InputConnection.commitCorrection()}. The default 6265 * implementation flashes the background of the corrected word to provide feedback to the user. 6266 * 6267 * @param info The auto correct info about the text that was corrected. 6268 */ 6269 public void onCommitCorrection(CorrectionInfo info) { 6270 if (mEditor != null) mEditor.onCommitCorrection(info); 6271 } 6272 6273 public void beginBatchEdit() { 6274 if (mEditor != null) mEditor.beginBatchEdit(); 6275 } 6276 6277 public void endBatchEdit() { 6278 if (mEditor != null) mEditor.endBatchEdit(); 6279 } 6280 6281 /** 6282 * Called by the framework in response to a request to begin a batch 6283 * of edit operations through a call to link {@link #beginBatchEdit()}. 6284 */ 6285 public void onBeginBatchEdit() { 6286 // intentionally empty 6287 } 6288 6289 /** 6290 * Called by the framework in response to a request to end a batch 6291 * of edit operations through a call to link {@link #endBatchEdit}. 6292 */ 6293 public void onEndBatchEdit() { 6294 // intentionally empty 6295 } 6296 6297 /** 6298 * Called by the framework in response to a private command from the 6299 * current method, provided by it calling 6300 * {@link InputConnection#performPrivateCommand 6301 * InputConnection.performPrivateCommand()}. 6302 * 6303 * @param action The action name of the command. 6304 * @param data Any additional data for the command. This may be null. 6305 * @return Return true if you handled the command, else false. 6306 */ 6307 public boolean onPrivateIMECommand(String action, Bundle data) { 6308 return false; 6309 } 6310 6311 private void nullLayouts() { 6312 if (mLayout instanceof BoringLayout && mSavedLayout == null) { 6313 mSavedLayout = (BoringLayout) mLayout; 6314 } 6315 if (mHintLayout instanceof BoringLayout && mSavedHintLayout == null) { 6316 mSavedHintLayout = (BoringLayout) mHintLayout; 6317 } 6318 6319 mSavedMarqueeModeLayout = mLayout = mHintLayout = null; 6320 6321 mBoring = mHintBoring = null; 6322 6323 // Since it depends on the value of mLayout 6324 if (mEditor != null) mEditor.prepareCursorControllers(); 6325 } 6326 6327 /** 6328 * Make a new Layout based on the already-measured size of the view, 6329 * on the assumption that it was measured correctly at some point. 6330 */ 6331 private void assumeLayout() { 6332 int width = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 6333 6334 if (width < 1) { 6335 width = 0; 6336 } 6337 6338 int physicalWidth = width; 6339 6340 if (mHorizontallyScrolling) { 6341 width = VERY_WIDE; 6342 } 6343 6344 makeNewLayout(width, physicalWidth, UNKNOWN_BORING, UNKNOWN_BORING, 6345 physicalWidth, false); 6346 } 6347 6348 private Layout.Alignment getLayoutAlignment() { 6349 Layout.Alignment alignment; 6350 switch (getTextAlignment()) { 6351 case TEXT_ALIGNMENT_GRAVITY: 6352 switch (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) { 6353 case Gravity.START: 6354 alignment = Layout.Alignment.ALIGN_NORMAL; 6355 break; 6356 case Gravity.END: 6357 alignment = Layout.Alignment.ALIGN_OPPOSITE; 6358 break; 6359 case Gravity.LEFT: 6360 alignment = Layout.Alignment.ALIGN_LEFT; 6361 break; 6362 case Gravity.RIGHT: 6363 alignment = Layout.Alignment.ALIGN_RIGHT; 6364 break; 6365 case Gravity.CENTER_HORIZONTAL: 6366 alignment = Layout.Alignment.ALIGN_CENTER; 6367 break; 6368 default: 6369 alignment = Layout.Alignment.ALIGN_NORMAL; 6370 break; 6371 } 6372 break; 6373 case TEXT_ALIGNMENT_TEXT_START: 6374 alignment = Layout.Alignment.ALIGN_NORMAL; 6375 break; 6376 case TEXT_ALIGNMENT_TEXT_END: 6377 alignment = Layout.Alignment.ALIGN_OPPOSITE; 6378 break; 6379 case TEXT_ALIGNMENT_CENTER: 6380 alignment = Layout.Alignment.ALIGN_CENTER; 6381 break; 6382 case TEXT_ALIGNMENT_VIEW_START: 6383 alignment = (getLayoutDirection() == LAYOUT_DIRECTION_RTL) ? 6384 Layout.Alignment.ALIGN_RIGHT : Layout.Alignment.ALIGN_LEFT; 6385 break; 6386 case TEXT_ALIGNMENT_VIEW_END: 6387 alignment = (getLayoutDirection() == LAYOUT_DIRECTION_RTL) ? 6388 Layout.Alignment.ALIGN_LEFT : Layout.Alignment.ALIGN_RIGHT; 6389 break; 6390 case TEXT_ALIGNMENT_INHERIT: 6391 // This should never happen as we have already resolved the text alignment 6392 // but better safe than sorry so we just fall through 6393 default: 6394 alignment = Layout.Alignment.ALIGN_NORMAL; 6395 break; 6396 } 6397 return alignment; 6398 } 6399 6400 /** 6401 * The width passed in is now the desired layout width, 6402 * not the full view width with padding. 6403 * {@hide} 6404 */ 6405 protected void makeNewLayout(int wantWidth, int hintWidth, 6406 BoringLayout.Metrics boring, 6407 BoringLayout.Metrics hintBoring, 6408 int ellipsisWidth, boolean bringIntoView) { 6409 stopMarquee(); 6410 6411 // Update "old" cached values 6412 mOldMaximum = mMaximum; 6413 mOldMaxMode = mMaxMode; 6414 6415 mHighlightPathBogus = true; 6416 6417 if (wantWidth < 0) { 6418 wantWidth = 0; 6419 } 6420 if (hintWidth < 0) { 6421 hintWidth = 0; 6422 } 6423 6424 Layout.Alignment alignment = getLayoutAlignment(); 6425 final boolean testDirChange = mSingleLine && mLayout != null && 6426 (alignment == Layout.Alignment.ALIGN_NORMAL || 6427 alignment == Layout.Alignment.ALIGN_OPPOSITE); 6428 int oldDir = 0; 6429 if (testDirChange) oldDir = mLayout.getParagraphDirection(0); 6430 boolean shouldEllipsize = mEllipsize != null && getKeyListener() == null; 6431 final boolean switchEllipsize = mEllipsize == TruncateAt.MARQUEE && 6432 mMarqueeFadeMode != MARQUEE_FADE_NORMAL; 6433 TruncateAt effectiveEllipsize = mEllipsize; 6434 if (mEllipsize == TruncateAt.MARQUEE && 6435 mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 6436 effectiveEllipsize = TruncateAt.END_SMALL; 6437 } 6438 6439 if (mTextDir == null) { 6440 mTextDir = getTextDirectionHeuristic(); 6441 } 6442 6443 mLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, shouldEllipsize, 6444 effectiveEllipsize, effectiveEllipsize == mEllipsize); 6445 if (switchEllipsize) { 6446 TruncateAt oppositeEllipsize = effectiveEllipsize == TruncateAt.MARQUEE ? 6447 TruncateAt.END : TruncateAt.MARQUEE; 6448 mSavedMarqueeModeLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, 6449 shouldEllipsize, oppositeEllipsize, effectiveEllipsize != mEllipsize); 6450 } 6451 6452 shouldEllipsize = mEllipsize != null; 6453 mHintLayout = null; 6454 6455 if (mHint != null) { 6456 if (shouldEllipsize) hintWidth = wantWidth; 6457 6458 if (hintBoring == UNKNOWN_BORING) { 6459 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, 6460 mHintBoring); 6461 if (hintBoring != null) { 6462 mHintBoring = hintBoring; 6463 } 6464 } 6465 6466 if (hintBoring != null) { 6467 if (hintBoring.width <= hintWidth && 6468 (!shouldEllipsize || hintBoring.width <= ellipsisWidth)) { 6469 if (mSavedHintLayout != null) { 6470 mHintLayout = mSavedHintLayout. 6471 replaceOrMake(mHint, mTextPaint, 6472 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6473 hintBoring, mIncludePad); 6474 } else { 6475 mHintLayout = BoringLayout.make(mHint, mTextPaint, 6476 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6477 hintBoring, mIncludePad); 6478 } 6479 6480 mSavedHintLayout = (BoringLayout) mHintLayout; 6481 } else if (shouldEllipsize && hintBoring.width <= hintWidth) { 6482 if (mSavedHintLayout != null) { 6483 mHintLayout = mSavedHintLayout. 6484 replaceOrMake(mHint, mTextPaint, 6485 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6486 hintBoring, mIncludePad, mEllipsize, 6487 ellipsisWidth); 6488 } else { 6489 mHintLayout = BoringLayout.make(mHint, mTextPaint, 6490 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6491 hintBoring, mIncludePad, mEllipsize, 6492 ellipsisWidth); 6493 } 6494 } else if (shouldEllipsize) { 6495 mHintLayout = new StaticLayout(mHint, 6496 0, mHint.length(), 6497 mTextPaint, hintWidth, alignment, mTextDir, mSpacingMult, 6498 mSpacingAdd, mIncludePad, mEllipsize, 6499 ellipsisWidth, mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6500 } else { 6501 mHintLayout = new StaticLayout(mHint, mTextPaint, 6502 hintWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, 6503 mIncludePad); 6504 } 6505 } else if (shouldEllipsize) { 6506 mHintLayout = new StaticLayout(mHint, 6507 0, mHint.length(), 6508 mTextPaint, hintWidth, alignment, mTextDir, mSpacingMult, 6509 mSpacingAdd, mIncludePad, mEllipsize, 6510 ellipsisWidth, mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6511 } else { 6512 mHintLayout = new StaticLayout(mHint, mTextPaint, 6513 hintWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, 6514 mIncludePad); 6515 } 6516 } 6517 6518 if (bringIntoView || (testDirChange && oldDir != mLayout.getParagraphDirection(0))) { 6519 registerForPreDraw(); 6520 } 6521 6522 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 6523 if (!compressText(ellipsisWidth)) { 6524 final int height = mLayoutParams.height; 6525 // If the size of the view does not depend on the size of the text, try to 6526 // start the marquee immediately 6527 if (height != LayoutParams.WRAP_CONTENT && height != LayoutParams.MATCH_PARENT) { 6528 startMarquee(); 6529 } else { 6530 // Defer the start of the marquee until we know our width (see setFrame()) 6531 mRestartMarquee = true; 6532 } 6533 } 6534 } 6535 6536 // CursorControllers need a non-null mLayout 6537 if (mEditor != null) mEditor.prepareCursorControllers(); 6538 } 6539 6540 private Layout makeSingleLayout(int wantWidth, BoringLayout.Metrics boring, int ellipsisWidth, 6541 Layout.Alignment alignment, boolean shouldEllipsize, TruncateAt effectiveEllipsize, 6542 boolean useSaved) { 6543 Layout result = null; 6544 if (mText instanceof Spannable) { 6545 result = new DynamicLayout(mText, mTransformed, mTextPaint, wantWidth, 6546 alignment, mTextDir, mSpacingMult, 6547 mSpacingAdd, mIncludePad, getKeyListener() == null ? effectiveEllipsize : null, 6548 ellipsisWidth); 6549 } else { 6550 if (boring == UNKNOWN_BORING) { 6551 boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring); 6552 if (boring != null) { 6553 mBoring = boring; 6554 } 6555 } 6556 6557 if (boring != null) { 6558 if (boring.width <= wantWidth && 6559 (effectiveEllipsize == null || boring.width <= ellipsisWidth)) { 6560 if (useSaved && mSavedLayout != null) { 6561 result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, 6562 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6563 boring, mIncludePad); 6564 } else { 6565 result = BoringLayout.make(mTransformed, mTextPaint, 6566 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6567 boring, mIncludePad); 6568 } 6569 6570 if (useSaved) { 6571 mSavedLayout = (BoringLayout) result; 6572 } 6573 } else if (shouldEllipsize && boring.width <= wantWidth) { 6574 if (useSaved && mSavedLayout != null) { 6575 result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, 6576 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6577 boring, mIncludePad, effectiveEllipsize, 6578 ellipsisWidth); 6579 } else { 6580 result = BoringLayout.make(mTransformed, mTextPaint, 6581 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6582 boring, mIncludePad, effectiveEllipsize, 6583 ellipsisWidth); 6584 } 6585 } else if (shouldEllipsize) { 6586 result = new StaticLayout(mTransformed, 6587 0, mTransformed.length(), 6588 mTextPaint, wantWidth, alignment, mTextDir, mSpacingMult, 6589 mSpacingAdd, mIncludePad, effectiveEllipsize, 6590 ellipsisWidth, mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6591 } else { 6592 result = new StaticLayout(mTransformed, mTextPaint, 6593 wantWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, 6594 mIncludePad); 6595 } 6596 } else if (shouldEllipsize) { 6597 result = new StaticLayout(mTransformed, 6598 0, mTransformed.length(), 6599 mTextPaint, wantWidth, alignment, mTextDir, mSpacingMult, 6600 mSpacingAdd, mIncludePad, effectiveEllipsize, 6601 ellipsisWidth, mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6602 } else { 6603 result = new StaticLayout(mTransformed, mTextPaint, 6604 wantWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, 6605 mIncludePad); 6606 } 6607 } 6608 return result; 6609 } 6610 6611 private boolean compressText(float width) { 6612 if (isHardwareAccelerated()) return false; 6613 6614 // Only compress the text if it hasn't been compressed by the previous pass 6615 if (width > 0.0f && mLayout != null && getLineCount() == 1 && !mUserSetTextScaleX && 6616 mTextPaint.getTextScaleX() == 1.0f) { 6617 final float textWidth = mLayout.getLineWidth(0); 6618 final float overflow = (textWidth + 1.0f - width) / width; 6619 if (overflow > 0.0f && overflow <= Marquee.MARQUEE_DELTA_MAX) { 6620 mTextPaint.setTextScaleX(1.0f - overflow - 0.005f); 6621 post(new Runnable() { 6622 public void run() { 6623 requestLayout(); 6624 } 6625 }); 6626 return true; 6627 } 6628 } 6629 6630 return false; 6631 } 6632 6633 private static int desired(Layout layout) { 6634 int n = layout.getLineCount(); 6635 CharSequence text = layout.getText(); 6636 float max = 0; 6637 6638 // if any line was wrapped, we can't use it. 6639 // but it's ok for the last line not to have a newline 6640 6641 for (int i = 0; i < n - 1; i++) { 6642 if (text.charAt(layout.getLineEnd(i) - 1) != '\n') 6643 return -1; 6644 } 6645 6646 for (int i = 0; i < n; i++) { 6647 max = Math.max(max, layout.getLineWidth(i)); 6648 } 6649 6650 return (int) Math.ceil(max); 6651 } 6652 6653 /** 6654 * Set whether the TextView includes extra top and bottom padding to make 6655 * room for accents that go above the normal ascent and descent. 6656 * The default is true. 6657 * 6658 * @see #getIncludeFontPadding() 6659 * 6660 * @attr ref android.R.styleable#TextView_includeFontPadding 6661 */ 6662 public void setIncludeFontPadding(boolean includepad) { 6663 if (mIncludePad != includepad) { 6664 mIncludePad = includepad; 6665 6666 if (mLayout != null) { 6667 nullLayouts(); 6668 requestLayout(); 6669 invalidate(); 6670 } 6671 } 6672 } 6673 6674 /** 6675 * Gets whether the TextView includes extra top and bottom padding to make 6676 * room for accents that go above the normal ascent and descent. 6677 * 6678 * @see #setIncludeFontPadding(boolean) 6679 * 6680 * @attr ref android.R.styleable#TextView_includeFontPadding 6681 */ 6682 public boolean getIncludeFontPadding() { 6683 return mIncludePad; 6684 } 6685 6686 private static final BoringLayout.Metrics UNKNOWN_BORING = new BoringLayout.Metrics(); 6687 6688 @Override 6689 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 6690 int widthMode = MeasureSpec.getMode(widthMeasureSpec); 6691 int heightMode = MeasureSpec.getMode(heightMeasureSpec); 6692 int widthSize = MeasureSpec.getSize(widthMeasureSpec); 6693 int heightSize = MeasureSpec.getSize(heightMeasureSpec); 6694 6695 int width; 6696 int height; 6697 6698 BoringLayout.Metrics boring = UNKNOWN_BORING; 6699 BoringLayout.Metrics hintBoring = UNKNOWN_BORING; 6700 6701 if (mTextDir == null) { 6702 mTextDir = getTextDirectionHeuristic(); 6703 } 6704 6705 int des = -1; 6706 boolean fromexisting = false; 6707 6708 if (widthMode == MeasureSpec.EXACTLY) { 6709 // Parent has told us how big to be. So be it. 6710 width = widthSize; 6711 } else { 6712 if (mLayout != null && mEllipsize == null) { 6713 des = desired(mLayout); 6714 } 6715 6716 if (des < 0) { 6717 boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring); 6718 if (boring != null) { 6719 mBoring = boring; 6720 } 6721 } else { 6722 fromexisting = true; 6723 } 6724 6725 if (boring == null || boring == UNKNOWN_BORING) { 6726 if (des < 0) { 6727 des = (int) Math.ceil(Layout.getDesiredWidth(mTransformed, mTextPaint)); 6728 } 6729 width = des; 6730 } else { 6731 width = boring.width; 6732 } 6733 6734 final Drawables dr = mDrawables; 6735 if (dr != null) { 6736 width = Math.max(width, dr.mDrawableWidthTop); 6737 width = Math.max(width, dr.mDrawableWidthBottom); 6738 } 6739 6740 if (mHint != null) { 6741 int hintDes = -1; 6742 int hintWidth; 6743 6744 if (mHintLayout != null && mEllipsize == null) { 6745 hintDes = desired(mHintLayout); 6746 } 6747 6748 if (hintDes < 0) { 6749 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, mHintBoring); 6750 if (hintBoring != null) { 6751 mHintBoring = hintBoring; 6752 } 6753 } 6754 6755 if (hintBoring == null || hintBoring == UNKNOWN_BORING) { 6756 if (hintDes < 0) { 6757 hintDes = (int) Math.ceil(Layout.getDesiredWidth(mHint, mTextPaint)); 6758 } 6759 hintWidth = hintDes; 6760 } else { 6761 hintWidth = hintBoring.width; 6762 } 6763 6764 if (hintWidth > width) { 6765 width = hintWidth; 6766 } 6767 } 6768 6769 width += getCompoundPaddingLeft() + getCompoundPaddingRight(); 6770 6771 if (mMaxWidthMode == EMS) { 6772 width = Math.min(width, mMaxWidth * getLineHeight()); 6773 } else { 6774 width = Math.min(width, mMaxWidth); 6775 } 6776 6777 if (mMinWidthMode == EMS) { 6778 width = Math.max(width, mMinWidth * getLineHeight()); 6779 } else { 6780 width = Math.max(width, mMinWidth); 6781 } 6782 6783 // Check against our minimum width 6784 width = Math.max(width, getSuggestedMinimumWidth()); 6785 6786 if (widthMode == MeasureSpec.AT_MOST) { 6787 width = Math.min(widthSize, width); 6788 } 6789 } 6790 6791 int want = width - getCompoundPaddingLeft() - getCompoundPaddingRight(); 6792 int unpaddedWidth = want; 6793 6794 if (mHorizontallyScrolling) want = VERY_WIDE; 6795 6796 int hintWant = want; 6797 int hintWidth = (mHintLayout == null) ? hintWant : mHintLayout.getWidth(); 6798 6799 if (mLayout == null) { 6800 makeNewLayout(want, hintWant, boring, hintBoring, 6801 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 6802 } else { 6803 final boolean layoutChanged = (mLayout.getWidth() != want) || 6804 (hintWidth != hintWant) || 6805 (mLayout.getEllipsizedWidth() != 6806 width - getCompoundPaddingLeft() - getCompoundPaddingRight()); 6807 6808 final boolean widthChanged = (mHint == null) && 6809 (mEllipsize == null) && 6810 (want > mLayout.getWidth()) && 6811 (mLayout instanceof BoringLayout || (fromexisting && des >= 0 && des <= want)); 6812 6813 final boolean maximumChanged = (mMaxMode != mOldMaxMode) || (mMaximum != mOldMaximum); 6814 6815 if (layoutChanged || maximumChanged) { 6816 if (!maximumChanged && widthChanged) { 6817 mLayout.increaseWidthTo(want); 6818 } else { 6819 makeNewLayout(want, hintWant, boring, hintBoring, 6820 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 6821 } 6822 } else { 6823 // Nothing has changed 6824 } 6825 } 6826 6827 if (heightMode == MeasureSpec.EXACTLY) { 6828 // Parent has told us how big to be. So be it. 6829 height = heightSize; 6830 mDesiredHeightAtMeasure = -1; 6831 } else { 6832 int desired = getDesiredHeight(); 6833 6834 height = desired; 6835 mDesiredHeightAtMeasure = desired; 6836 6837 if (heightMode == MeasureSpec.AT_MOST) { 6838 height = Math.min(desired, heightSize); 6839 } 6840 } 6841 6842 int unpaddedHeight = height - getCompoundPaddingTop() - getCompoundPaddingBottom(); 6843 if (mMaxMode == LINES && mLayout.getLineCount() > mMaximum) { 6844 unpaddedHeight = Math.min(unpaddedHeight, mLayout.getLineTop(mMaximum)); 6845 } 6846 6847 /* 6848 * We didn't let makeNewLayout() register to bring the cursor into view, 6849 * so do it here if there is any possibility that it is needed. 6850 */ 6851 if (mMovement != null || 6852 mLayout.getWidth() > unpaddedWidth || 6853 mLayout.getHeight() > unpaddedHeight) { 6854 registerForPreDraw(); 6855 } else { 6856 scrollTo(0, 0); 6857 } 6858 6859 setMeasuredDimension(width, height); 6860 } 6861 6862 private int getDesiredHeight() { 6863 return Math.max( 6864 getDesiredHeight(mLayout, true), 6865 getDesiredHeight(mHintLayout, mEllipsize != null)); 6866 } 6867 6868 private int getDesiredHeight(Layout layout, boolean cap) { 6869 if (layout == null) { 6870 return 0; 6871 } 6872 6873 int linecount = layout.getLineCount(); 6874 int pad = getCompoundPaddingTop() + getCompoundPaddingBottom(); 6875 int desired = layout.getLineTop(linecount); 6876 6877 final Drawables dr = mDrawables; 6878 if (dr != null) { 6879 desired = Math.max(desired, dr.mDrawableHeightLeft); 6880 desired = Math.max(desired, dr.mDrawableHeightRight); 6881 } 6882 6883 desired += pad; 6884 6885 if (mMaxMode == LINES) { 6886 /* 6887 * Don't cap the hint to a certain number of lines. 6888 * (Do cap it, though, if we have a maximum pixel height.) 6889 */ 6890 if (cap) { 6891 if (linecount > mMaximum) { 6892 desired = layout.getLineTop(mMaximum); 6893 6894 if (dr != null) { 6895 desired = Math.max(desired, dr.mDrawableHeightLeft); 6896 desired = Math.max(desired, dr.mDrawableHeightRight); 6897 } 6898 6899 desired += pad; 6900 linecount = mMaximum; 6901 } 6902 } 6903 } else { 6904 desired = Math.min(desired, mMaximum); 6905 } 6906 6907 if (mMinMode == LINES) { 6908 if (linecount < mMinimum) { 6909 desired += getLineHeight() * (mMinimum - linecount); 6910 } 6911 } else { 6912 desired = Math.max(desired, mMinimum); 6913 } 6914 6915 // Check against our minimum height 6916 desired = Math.max(desired, getSuggestedMinimumHeight()); 6917 6918 return desired; 6919 } 6920 6921 /** 6922 * Check whether a change to the existing text layout requires a 6923 * new view layout. 6924 */ 6925 private void checkForResize() { 6926 boolean sizeChanged = false; 6927 6928 if (mLayout != null) { 6929 // Check if our width changed 6930 if (mLayoutParams.width == LayoutParams.WRAP_CONTENT) { 6931 sizeChanged = true; 6932 invalidate(); 6933 } 6934 6935 // Check if our height changed 6936 if (mLayoutParams.height == LayoutParams.WRAP_CONTENT) { 6937 int desiredHeight = getDesiredHeight(); 6938 6939 if (desiredHeight != this.getHeight()) { 6940 sizeChanged = true; 6941 } 6942 } else if (mLayoutParams.height == LayoutParams.MATCH_PARENT) { 6943 if (mDesiredHeightAtMeasure >= 0) { 6944 int desiredHeight = getDesiredHeight(); 6945 6946 if (desiredHeight != mDesiredHeightAtMeasure) { 6947 sizeChanged = true; 6948 } 6949 } 6950 } 6951 } 6952 6953 if (sizeChanged) { 6954 requestLayout(); 6955 // caller will have already invalidated 6956 } 6957 } 6958 6959 /** 6960 * Check whether entirely new text requires a new view layout 6961 * or merely a new text layout. 6962 */ 6963 private void checkForRelayout() { 6964 // If we have a fixed width, we can just swap in a new text layout 6965 // if the text height stays the same or if the view height is fixed. 6966 6967 if ((mLayoutParams.width != LayoutParams.WRAP_CONTENT || 6968 (mMaxWidthMode == mMinWidthMode && mMaxWidth == mMinWidth)) && 6969 (mHint == null || mHintLayout != null) && 6970 (mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight() > 0)) { 6971 // Static width, so try making a new text layout. 6972 6973 int oldht = mLayout.getHeight(); 6974 int want = mLayout.getWidth(); 6975 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 6976 6977 /* 6978 * No need to bring the text into view, since the size is not 6979 * changing (unless we do the requestLayout(), in which case it 6980 * will happen at measure). 6981 */ 6982 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 6983 mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(), 6984 false); 6985 6986 if (mEllipsize != TextUtils.TruncateAt.MARQUEE) { 6987 // In a fixed-height view, so use our new text layout. 6988 if (mLayoutParams.height != LayoutParams.WRAP_CONTENT && 6989 mLayoutParams.height != LayoutParams.MATCH_PARENT) { 6990 invalidate(); 6991 return; 6992 } 6993 6994 // Dynamic height, but height has stayed the same, 6995 // so use our new text layout. 6996 if (mLayout.getHeight() == oldht && 6997 (mHintLayout == null || mHintLayout.getHeight() == oldht)) { 6998 invalidate(); 6999 return; 7000 } 7001 } 7002 7003 // We lose: the height has changed and we have a dynamic height. 7004 // Request a new view layout using our new text layout. 7005 requestLayout(); 7006 invalidate(); 7007 } else { 7008 // Dynamic width, so we have no choice but to request a new 7009 // view layout with a new text layout. 7010 nullLayouts(); 7011 requestLayout(); 7012 invalidate(); 7013 } 7014 } 7015 7016 @Override 7017 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 7018 super.onLayout(changed, left, top, right, bottom); 7019 if (mDeferScroll >= 0) { 7020 int curs = mDeferScroll; 7021 mDeferScroll = -1; 7022 bringPointIntoView(Math.min(curs, mText.length())); 7023 } 7024 } 7025 7026 private boolean isShowingHint() { 7027 return TextUtils.isEmpty(mText) && !TextUtils.isEmpty(mHint); 7028 } 7029 7030 /** 7031 * Returns true if anything changed. 7032 */ 7033 private boolean bringTextIntoView() { 7034 Layout layout = isShowingHint() ? mHintLayout : mLayout; 7035 int line = 0; 7036 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 7037 line = layout.getLineCount() - 1; 7038 } 7039 7040 Layout.Alignment a = layout.getParagraphAlignment(line); 7041 int dir = layout.getParagraphDirection(line); 7042 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7043 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 7044 int ht = layout.getHeight(); 7045 7046 int scrollx, scrolly; 7047 7048 // Convert to left, center, or right alignment. 7049 if (a == Layout.Alignment.ALIGN_NORMAL) { 7050 a = dir == Layout.DIR_LEFT_TO_RIGHT ? Layout.Alignment.ALIGN_LEFT : 7051 Layout.Alignment.ALIGN_RIGHT; 7052 } else if (a == Layout.Alignment.ALIGN_OPPOSITE){ 7053 a = dir == Layout.DIR_LEFT_TO_RIGHT ? Layout.Alignment.ALIGN_RIGHT : 7054 Layout.Alignment.ALIGN_LEFT; 7055 } 7056 7057 if (a == Layout.Alignment.ALIGN_CENTER) { 7058 /* 7059 * Keep centered if possible, or, if it is too wide to fit, 7060 * keep leading edge in view. 7061 */ 7062 7063 int left = (int) Math.floor(layout.getLineLeft(line)); 7064 int right = (int) Math.ceil(layout.getLineRight(line)); 7065 7066 if (right - left < hspace) { 7067 scrollx = (right + left) / 2 - hspace / 2; 7068 } else { 7069 if (dir < 0) { 7070 scrollx = right - hspace; 7071 } else { 7072 scrollx = left; 7073 } 7074 } 7075 } else if (a == Layout.Alignment.ALIGN_RIGHT) { 7076 int right = (int) Math.ceil(layout.getLineRight(line)); 7077 scrollx = right - hspace; 7078 } else { // a == Layout.Alignment.ALIGN_LEFT (will also be the default) 7079 scrollx = (int) Math.floor(layout.getLineLeft(line)); 7080 } 7081 7082 if (ht < vspace) { 7083 scrolly = 0; 7084 } else { 7085 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 7086 scrolly = ht - vspace; 7087 } else { 7088 scrolly = 0; 7089 } 7090 } 7091 7092 if (scrollx != mScrollX || scrolly != mScrollY) { 7093 scrollTo(scrollx, scrolly); 7094 return true; 7095 } else { 7096 return false; 7097 } 7098 } 7099 7100 /** 7101 * Move the point, specified by the offset, into the view if it is needed. 7102 * This has to be called after layout. Returns true if anything changed. 7103 */ 7104 public boolean bringPointIntoView(int offset) { 7105 if (isLayoutRequested()) { 7106 mDeferScroll = offset; 7107 return false; 7108 } 7109 boolean changed = false; 7110 7111 Layout layout = isShowingHint() ? mHintLayout: mLayout; 7112 7113 if (layout == null) return changed; 7114 7115 int line = layout.getLineForOffset(offset); 7116 7117 int grav; 7118 7119 switch (layout.getParagraphAlignment(line)) { 7120 case ALIGN_LEFT: 7121 grav = 1; 7122 break; 7123 case ALIGN_RIGHT: 7124 grav = -1; 7125 break; 7126 case ALIGN_NORMAL: 7127 grav = layout.getParagraphDirection(line); 7128 break; 7129 case ALIGN_OPPOSITE: 7130 grav = -layout.getParagraphDirection(line); 7131 break; 7132 case ALIGN_CENTER: 7133 default: 7134 grav = 0; 7135 break; 7136 } 7137 7138 // We only want to clamp the cursor to fit within the layout width 7139 // in left-to-right modes, because in a right to left alignment, 7140 // we want to scroll to keep the line-right on the screen, as other 7141 // lines are likely to have text flush with the right margin, which 7142 // we want to keep visible. 7143 // A better long-term solution would probably be to measure both 7144 // the full line and a blank-trimmed version, and, for example, use 7145 // the latter measurement for centering and right alignment, but for 7146 // the time being we only implement the cursor clamping in left to 7147 // right where it is most likely to be annoying. 7148 final boolean clamped = grav > 0; 7149 // FIXME: Is it okay to truncate this, or should we round? 7150 final int x = (int)layout.getPrimaryHorizontal(offset, clamped); 7151 final int top = layout.getLineTop(line); 7152 final int bottom = layout.getLineTop(line + 1); 7153 7154 int left = (int) Math.floor(layout.getLineLeft(line)); 7155 int right = (int) Math.ceil(layout.getLineRight(line)); 7156 int ht = layout.getHeight(); 7157 7158 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7159 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 7160 if (!mHorizontallyScrolling && right - left > hspace && right > x) { 7161 // If cursor has been clamped, make sure we don't scroll. 7162 right = Math.max(x, left + hspace); 7163 } 7164 7165 int hslack = (bottom - top) / 2; 7166 int vslack = hslack; 7167 7168 if (vslack > vspace / 4) 7169 vslack = vspace / 4; 7170 if (hslack > hspace / 4) 7171 hslack = hspace / 4; 7172 7173 int hs = mScrollX; 7174 int vs = mScrollY; 7175 7176 if (top - vs < vslack) 7177 vs = top - vslack; 7178 if (bottom - vs > vspace - vslack) 7179 vs = bottom - (vspace - vslack); 7180 if (ht - vs < vspace) 7181 vs = ht - vspace; 7182 if (0 - vs > 0) 7183 vs = 0; 7184 7185 if (grav != 0) { 7186 if (x - hs < hslack) { 7187 hs = x - hslack; 7188 } 7189 if (x - hs > hspace - hslack) { 7190 hs = x - (hspace - hslack); 7191 } 7192 } 7193 7194 if (grav < 0) { 7195 if (left - hs > 0) 7196 hs = left; 7197 if (right - hs < hspace) 7198 hs = right - hspace; 7199 } else if (grav > 0) { 7200 if (right - hs < hspace) 7201 hs = right - hspace; 7202 if (left - hs > 0) 7203 hs = left; 7204 } else /* grav == 0 */ { 7205 if (right - left <= hspace) { 7206 /* 7207 * If the entire text fits, center it exactly. 7208 */ 7209 hs = left - (hspace - (right - left)) / 2; 7210 } else if (x > right - hslack) { 7211 /* 7212 * If we are near the right edge, keep the right edge 7213 * at the edge of the view. 7214 */ 7215 hs = right - hspace; 7216 } else if (x < left + hslack) { 7217 /* 7218 * If we are near the left edge, keep the left edge 7219 * at the edge of the view. 7220 */ 7221 hs = left; 7222 } else if (left > hs) { 7223 /* 7224 * Is there whitespace visible at the left? Fix it if so. 7225 */ 7226 hs = left; 7227 } else if (right < hs + hspace) { 7228 /* 7229 * Is there whitespace visible at the right? Fix it if so. 7230 */ 7231 hs = right - hspace; 7232 } else { 7233 /* 7234 * Otherwise, float as needed. 7235 */ 7236 if (x - hs < hslack) { 7237 hs = x - hslack; 7238 } 7239 if (x - hs > hspace - hslack) { 7240 hs = x - (hspace - hslack); 7241 } 7242 } 7243 } 7244 7245 if (hs != mScrollX || vs != mScrollY) { 7246 if (mScroller == null) { 7247 scrollTo(hs, vs); 7248 } else { 7249 long duration = AnimationUtils.currentAnimationTimeMillis() - mLastScroll; 7250 int dx = hs - mScrollX; 7251 int dy = vs - mScrollY; 7252 7253 if (duration > ANIMATED_SCROLL_GAP) { 7254 mScroller.startScroll(mScrollX, mScrollY, dx, dy); 7255 awakenScrollBars(mScroller.getDuration()); 7256 invalidate(); 7257 } else { 7258 if (!mScroller.isFinished()) { 7259 mScroller.abortAnimation(); 7260 } 7261 7262 scrollBy(dx, dy); 7263 } 7264 7265 mLastScroll = AnimationUtils.currentAnimationTimeMillis(); 7266 } 7267 7268 changed = true; 7269 } 7270 7271 if (isFocused()) { 7272 // This offsets because getInterestingRect() is in terms of viewport coordinates, but 7273 // requestRectangleOnScreen() is in terms of content coordinates. 7274 7275 // The offsets here are to ensure the rectangle we are using is 7276 // within our view bounds, in case the cursor is on the far left 7277 // or right. If it isn't withing the bounds, then this request 7278 // will be ignored. 7279 if (mTempRect == null) mTempRect = new Rect(); 7280 mTempRect.set(x - 2, top, x + 2, bottom); 7281 getInterestingRect(mTempRect, line); 7282 mTempRect.offset(mScrollX, mScrollY); 7283 7284 if (requestRectangleOnScreen(mTempRect)) { 7285 changed = true; 7286 } 7287 } 7288 7289 return changed; 7290 } 7291 7292 /** 7293 * Move the cursor, if needed, so that it is at an offset that is visible 7294 * to the user. This will not move the cursor if it represents more than 7295 * one character (a selection range). This will only work if the 7296 * TextView contains spannable text; otherwise it will do nothing. 7297 * 7298 * @return True if the cursor was actually moved, false otherwise. 7299 */ 7300 public boolean moveCursorToVisibleOffset() { 7301 if (!(mText instanceof Spannable)) { 7302 return false; 7303 } 7304 int start = getSelectionStart(); 7305 int end = getSelectionEnd(); 7306 if (start != end) { 7307 return false; 7308 } 7309 7310 // First: make sure the line is visible on screen: 7311 7312 int line = mLayout.getLineForOffset(start); 7313 7314 final int top = mLayout.getLineTop(line); 7315 final int bottom = mLayout.getLineTop(line + 1); 7316 final int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 7317 int vslack = (bottom - top) / 2; 7318 if (vslack > vspace / 4) 7319 vslack = vspace / 4; 7320 final int vs = mScrollY; 7321 7322 if (top < (vs+vslack)) { 7323 line = mLayout.getLineForVertical(vs+vslack+(bottom-top)); 7324 } else if (bottom > (vspace+vs-vslack)) { 7325 line = mLayout.getLineForVertical(vspace+vs-vslack-(bottom-top)); 7326 } 7327 7328 // Next: make sure the character is visible on screen: 7329 7330 final int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7331 final int hs = mScrollX; 7332 final int leftChar = mLayout.getOffsetForHorizontal(line, hs); 7333 final int rightChar = mLayout.getOffsetForHorizontal(line, hspace+hs); 7334 7335 // line might contain bidirectional text 7336 final int lowChar = leftChar < rightChar ? leftChar : rightChar; 7337 final int highChar = leftChar > rightChar ? leftChar : rightChar; 7338 7339 int newStart = start; 7340 if (newStart < lowChar) { 7341 newStart = lowChar; 7342 } else if (newStart > highChar) { 7343 newStart = highChar; 7344 } 7345 7346 if (newStart != start) { 7347 Selection.setSelection((Spannable)mText, newStart); 7348 return true; 7349 } 7350 7351 return false; 7352 } 7353 7354 @Override 7355 public void computeScroll() { 7356 if (mScroller != null) { 7357 if (mScroller.computeScrollOffset()) { 7358 mScrollX = mScroller.getCurrX(); 7359 mScrollY = mScroller.getCurrY(); 7360 invalidateParentCaches(); 7361 postInvalidate(); // So we draw again 7362 } 7363 } 7364 } 7365 7366 private void getInterestingRect(Rect r, int line) { 7367 convertFromViewportToContentCoordinates(r); 7368 7369 // Rectangle can can be expanded on first and last line to take 7370 // padding into account. 7371 // TODO Take left/right padding into account too? 7372 if (line == 0) r.top -= getExtendedPaddingTop(); 7373 if (line == mLayout.getLineCount() - 1) r.bottom += getExtendedPaddingBottom(); 7374 } 7375 7376 private void convertFromViewportToContentCoordinates(Rect r) { 7377 final int horizontalOffset = viewportToContentHorizontalOffset(); 7378 r.left += horizontalOffset; 7379 r.right += horizontalOffset; 7380 7381 final int verticalOffset = viewportToContentVerticalOffset(); 7382 r.top += verticalOffset; 7383 r.bottom += verticalOffset; 7384 } 7385 7386 int viewportToContentHorizontalOffset() { 7387 return getCompoundPaddingLeft() - mScrollX; 7388 } 7389 7390 int viewportToContentVerticalOffset() { 7391 int offset = getExtendedPaddingTop() - mScrollY; 7392 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 7393 offset += getVerticalOffset(false); 7394 } 7395 return offset; 7396 } 7397 7398 @Override 7399 public void debug(int depth) { 7400 super.debug(depth); 7401 7402 String output = debugIndent(depth); 7403 output += "frame={" + mLeft + ", " + mTop + ", " + mRight 7404 + ", " + mBottom + "} scroll={" + mScrollX + ", " + mScrollY 7405 + "} "; 7406 7407 if (mText != null) { 7408 7409 output += "mText=\"" + mText + "\" "; 7410 if (mLayout != null) { 7411 output += "mLayout width=" + mLayout.getWidth() 7412 + " height=" + mLayout.getHeight(); 7413 } 7414 } else { 7415 output += "mText=NULL"; 7416 } 7417 Log.d(VIEW_LOG_TAG, output); 7418 } 7419 7420 /** 7421 * Convenience for {@link Selection#getSelectionStart}. 7422 */ 7423 @ViewDebug.ExportedProperty(category = "text") 7424 public int getSelectionStart() { 7425 return Selection.getSelectionStart(getText()); 7426 } 7427 7428 /** 7429 * Convenience for {@link Selection#getSelectionEnd}. 7430 */ 7431 @ViewDebug.ExportedProperty(category = "text") 7432 public int getSelectionEnd() { 7433 return Selection.getSelectionEnd(getText()); 7434 } 7435 7436 /** 7437 * Return true iff there is a selection inside this text view. 7438 */ 7439 public boolean hasSelection() { 7440 final int selectionStart = getSelectionStart(); 7441 final int selectionEnd = getSelectionEnd(); 7442 7443 return selectionStart >= 0 && selectionStart != selectionEnd; 7444 } 7445 7446 /** 7447 * Sets the properties of this field (lines, horizontally scrolling, 7448 * transformation method) to be for a single-line input. 7449 * 7450 * @attr ref android.R.styleable#TextView_singleLine 7451 */ 7452 public void setSingleLine() { 7453 setSingleLine(true); 7454 } 7455 7456 /** 7457 * Sets the properties of this field to transform input to ALL CAPS 7458 * display. This may use a "small caps" formatting if available. 7459 * This setting will be ignored if this field is editable or selectable. 7460 * 7461 * This call replaces the current transformation method. Disabling this 7462 * will not necessarily restore the previous behavior from before this 7463 * was enabled. 7464 * 7465 * @see #setTransformationMethod(TransformationMethod) 7466 * @attr ref android.R.styleable#TextView_textAllCaps 7467 */ 7468 public void setAllCaps(boolean allCaps) { 7469 if (allCaps) { 7470 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 7471 } else { 7472 setTransformationMethod(null); 7473 } 7474 } 7475 7476 /** 7477 * If true, sets the properties of this field (number of lines, horizontally scrolling, 7478 * transformation method) to be for a single-line input; if false, restores these to the default 7479 * conditions. 7480 * 7481 * Note that the default conditions are not necessarily those that were in effect prior this 7482 * method, and you may want to reset these properties to your custom values. 7483 * 7484 * @attr ref android.R.styleable#TextView_singleLine 7485 */ 7486 @android.view.RemotableViewMethod 7487 public void setSingleLine(boolean singleLine) { 7488 // Could be used, but may break backward compatibility. 7489 // if (mSingleLine == singleLine) return; 7490 setInputTypeSingleLine(singleLine); 7491 applySingleLine(singleLine, true, true); 7492 } 7493 7494 /** 7495 * Adds or remove the EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE on the mInputType. 7496 * @param singleLine 7497 */ 7498 private void setInputTypeSingleLine(boolean singleLine) { 7499 if (mEditor != null && 7500 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 7501 if (singleLine) { 7502 mEditor.mInputType &= ~EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 7503 } else { 7504 mEditor.mInputType |= EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 7505 } 7506 } 7507 } 7508 7509 private void applySingleLine(boolean singleLine, boolean applyTransformation, 7510 boolean changeMaxLines) { 7511 mSingleLine = singleLine; 7512 if (singleLine) { 7513 setLines(1); 7514 setHorizontallyScrolling(true); 7515 if (applyTransformation) { 7516 setTransformationMethod(SingleLineTransformationMethod.getInstance()); 7517 } 7518 } else { 7519 if (changeMaxLines) { 7520 setMaxLines(Integer.MAX_VALUE); 7521 } 7522 setHorizontallyScrolling(false); 7523 if (applyTransformation) { 7524 setTransformationMethod(null); 7525 } 7526 } 7527 } 7528 7529 /** 7530 * Causes words in the text that are longer than the view is wide 7531 * to be ellipsized instead of broken in the middle. You may also 7532 * want to {@link #setSingleLine} or {@link #setHorizontallyScrolling} 7533 * to constrain the text to a single line. Use <code>null</code> 7534 * to turn off ellipsizing. 7535 * 7536 * If {@link #setMaxLines} has been used to set two or more lines, 7537 * only {@link android.text.TextUtils.TruncateAt#END} and 7538 * {@link android.text.TextUtils.TruncateAt#MARQUEE} are supported 7539 * (other ellipsizing types will not do anything). 7540 * 7541 * @attr ref android.R.styleable#TextView_ellipsize 7542 */ 7543 public void setEllipsize(TextUtils.TruncateAt where) { 7544 // TruncateAt is an enum. != comparison is ok between these singleton objects. 7545 if (mEllipsize != where) { 7546 mEllipsize = where; 7547 7548 if (mLayout != null) { 7549 nullLayouts(); 7550 requestLayout(); 7551 invalidate(); 7552 } 7553 } 7554 } 7555 7556 /** 7557 * Sets how many times to repeat the marquee animation. Only applied if the 7558 * TextView has marquee enabled. Set to -1 to repeat indefinitely. 7559 * 7560 * @see #getMarqueeRepeatLimit() 7561 * 7562 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 7563 */ 7564 public void setMarqueeRepeatLimit(int marqueeLimit) { 7565 mMarqueeRepeatLimit = marqueeLimit; 7566 } 7567 7568 /** 7569 * Gets the number of times the marquee animation is repeated. Only meaningful if the 7570 * TextView has marquee enabled. 7571 * 7572 * @return the number of times the marquee animation is repeated. -1 if the animation 7573 * repeats indefinitely 7574 * 7575 * @see #setMarqueeRepeatLimit(int) 7576 * 7577 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 7578 */ 7579 public int getMarqueeRepeatLimit() { 7580 return mMarqueeRepeatLimit; 7581 } 7582 7583 /** 7584 * Returns where, if anywhere, words that are longer than the view 7585 * is wide should be ellipsized. 7586 */ 7587 @ViewDebug.ExportedProperty 7588 public TextUtils.TruncateAt getEllipsize() { 7589 return mEllipsize; 7590 } 7591 7592 /** 7593 * Set the TextView so that when it takes focus, all the text is 7594 * selected. 7595 * 7596 * @attr ref android.R.styleable#TextView_selectAllOnFocus 7597 */ 7598 @android.view.RemotableViewMethod 7599 public void setSelectAllOnFocus(boolean selectAllOnFocus) { 7600 createEditorIfNeeded(); 7601 mEditor.mSelectAllOnFocus = selectAllOnFocus; 7602 7603 if (selectAllOnFocus && !(mText instanceof Spannable)) { 7604 setText(mText, BufferType.SPANNABLE); 7605 } 7606 } 7607 7608 /** 7609 * Set whether the cursor is visible. The default is true. Note that this property only 7610 * makes sense for editable TextView. 7611 * 7612 * @see #isCursorVisible() 7613 * 7614 * @attr ref android.R.styleable#TextView_cursorVisible 7615 */ 7616 @android.view.RemotableViewMethod 7617 public void setCursorVisible(boolean visible) { 7618 if (visible && mEditor == null) return; // visible is the default value with no edit data 7619 createEditorIfNeeded(); 7620 if (mEditor.mCursorVisible != visible) { 7621 mEditor.mCursorVisible = visible; 7622 invalidate(); 7623 7624 mEditor.makeBlink(); 7625 7626 // InsertionPointCursorController depends on mCursorVisible 7627 mEditor.prepareCursorControllers(); 7628 } 7629 } 7630 7631 /** 7632 * @return whether or not the cursor is visible (assuming this TextView is editable) 7633 * 7634 * @see #setCursorVisible(boolean) 7635 * 7636 * @attr ref android.R.styleable#TextView_cursorVisible 7637 */ 7638 public boolean isCursorVisible() { 7639 // true is the default value 7640 return mEditor == null ? true : mEditor.mCursorVisible; 7641 } 7642 7643 private boolean canMarquee() { 7644 int width = (mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight()); 7645 return width > 0 && (mLayout.getLineWidth(0) > width || 7646 (mMarqueeFadeMode != MARQUEE_FADE_NORMAL && mSavedMarqueeModeLayout != null && 7647 mSavedMarqueeModeLayout.getLineWidth(0) > width)); 7648 } 7649 7650 private void startMarquee() { 7651 // Do not ellipsize EditText 7652 if (getKeyListener() != null) return; 7653 7654 if (compressText(getWidth() - getCompoundPaddingLeft() - getCompoundPaddingRight())) { 7655 return; 7656 } 7657 7658 if ((mMarquee == null || mMarquee.isStopped()) && (isFocused() || isSelected()) && 7659 getLineCount() == 1 && canMarquee()) { 7660 7661 if (mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 7662 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_FADE; 7663 final Layout tmp = mLayout; 7664 mLayout = mSavedMarqueeModeLayout; 7665 mSavedMarqueeModeLayout = tmp; 7666 setHorizontalFadingEdgeEnabled(true); 7667 requestLayout(); 7668 invalidate(); 7669 } 7670 7671 if (mMarquee == null) mMarquee = new Marquee(this); 7672 mMarquee.start(mMarqueeRepeatLimit); 7673 } 7674 } 7675 7676 private void stopMarquee() { 7677 if (mMarquee != null && !mMarquee.isStopped()) { 7678 mMarquee.stop(); 7679 } 7680 7681 if (mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_FADE) { 7682 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 7683 final Layout tmp = mSavedMarqueeModeLayout; 7684 mSavedMarqueeModeLayout = mLayout; 7685 mLayout = tmp; 7686 setHorizontalFadingEdgeEnabled(false); 7687 requestLayout(); 7688 invalidate(); 7689 } 7690 } 7691 7692 private void startStopMarquee(boolean start) { 7693 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 7694 if (start) { 7695 startMarquee(); 7696 } else { 7697 stopMarquee(); 7698 } 7699 } 7700 } 7701 7702 /** 7703 * This method is called when the text is changed, in case any subclasses 7704 * would like to know. 7705 * 7706 * Within <code>text</code>, the <code>lengthAfter</code> characters 7707 * beginning at <code>start</code> have just replaced old text that had 7708 * length <code>lengthBefore</code>. It is an error to attempt to make 7709 * changes to <code>text</code> from this callback. 7710 * 7711 * @param text The text the TextView is displaying 7712 * @param start The offset of the start of the range of the text that was 7713 * modified 7714 * @param lengthBefore The length of the former text that has been replaced 7715 * @param lengthAfter The length of the replacement modified text 7716 */ 7717 protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) { 7718 // intentionally empty, template pattern method can be overridden by subclasses 7719 } 7720 7721 /** 7722 * This method is called when the selection has changed, in case any 7723 * subclasses would like to know. 7724 * 7725 * @param selStart The new selection start location. 7726 * @param selEnd The new selection end location. 7727 */ 7728 protected void onSelectionChanged(int selStart, int selEnd) { 7729 sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED); 7730 } 7731 7732 /** 7733 * Adds a TextWatcher to the list of those whose methods are called 7734 * whenever this TextView's text changes. 7735 * <p> 7736 * In 1.0, the {@link TextWatcher#afterTextChanged} method was erroneously 7737 * not called after {@link #setText} calls. Now, doing {@link #setText} 7738 * if there are any text changed listeners forces the buffer type to 7739 * Editable if it would not otherwise be and does call this method. 7740 */ 7741 public void addTextChangedListener(TextWatcher watcher) { 7742 if (mListeners == null) { 7743 mListeners = new ArrayList<TextWatcher>(); 7744 } 7745 7746 mListeners.add(watcher); 7747 } 7748 7749 /** 7750 * Removes the specified TextWatcher from the list of those whose 7751 * methods are called 7752 * whenever this TextView's text changes. 7753 */ 7754 public void removeTextChangedListener(TextWatcher watcher) { 7755 if (mListeners != null) { 7756 int i = mListeners.indexOf(watcher); 7757 7758 if (i >= 0) { 7759 mListeners.remove(i); 7760 } 7761 } 7762 } 7763 7764 private void sendBeforeTextChanged(CharSequence text, int start, int before, int after) { 7765 if (mListeners != null) { 7766 final ArrayList<TextWatcher> list = mListeners; 7767 final int count = list.size(); 7768 for (int i = 0; i < count; i++) { 7769 list.get(i).beforeTextChanged(text, start, before, after); 7770 } 7771 } 7772 7773 // The spans that are inside or intersect the modified region no longer make sense 7774 removeIntersectingNonAdjacentSpans(start, start + before, SpellCheckSpan.class); 7775 removeIntersectingNonAdjacentSpans(start, start + before, SuggestionSpan.class); 7776 } 7777 7778 // Removes all spans that are inside or actually overlap the start..end range 7779 private <T> void removeIntersectingNonAdjacentSpans(int start, int end, Class<T> type) { 7780 if (!(mText instanceof Editable)) return; 7781 Editable text = (Editable) mText; 7782 7783 T[] spans = text.getSpans(start, end, type); 7784 final int length = spans.length; 7785 for (int i = 0; i < length; i++) { 7786 final int spanStart = text.getSpanStart(spans[i]); 7787 final int spanEnd = text.getSpanEnd(spans[i]); 7788 if (spanEnd == start || spanStart == end) break; 7789 text.removeSpan(spans[i]); 7790 } 7791 } 7792 7793 void removeAdjacentSuggestionSpans(final int pos) { 7794 if (!(mText instanceof Editable)) return; 7795 final Editable text = (Editable) mText; 7796 7797 final SuggestionSpan[] spans = text.getSpans(pos, pos, SuggestionSpan.class); 7798 final int length = spans.length; 7799 for (int i = 0; i < length; i++) { 7800 final int spanStart = text.getSpanStart(spans[i]); 7801 final int spanEnd = text.getSpanEnd(spans[i]); 7802 if (spanEnd == pos || spanStart == pos) { 7803 if (SpellChecker.haveWordBoundariesChanged(text, pos, pos, spanStart, spanEnd)) { 7804 text.removeSpan(spans[i]); 7805 } 7806 } 7807 } 7808 } 7809 7810 /** 7811 * Not private so it can be called from an inner class without going 7812 * through a thunk. 7813 */ 7814 void sendOnTextChanged(CharSequence text, int start, int before, int after) { 7815 if (mListeners != null) { 7816 final ArrayList<TextWatcher> list = mListeners; 7817 final int count = list.size(); 7818 for (int i = 0; i < count; i++) { 7819 list.get(i).onTextChanged(text, start, before, after); 7820 } 7821 } 7822 7823 if (mEditor != null) mEditor.sendOnTextChanged(start, after); 7824 } 7825 7826 /** 7827 * Not private so it can be called from an inner class without going 7828 * through a thunk. 7829 */ 7830 void sendAfterTextChanged(Editable text) { 7831 if (mListeners != null) { 7832 final ArrayList<TextWatcher> list = mListeners; 7833 final int count = list.size(); 7834 for (int i = 0; i < count; i++) { 7835 list.get(i).afterTextChanged(text); 7836 } 7837 } 7838 hideErrorIfUnchanged(); 7839 } 7840 7841 void updateAfterEdit() { 7842 invalidate(); 7843 int curs = getSelectionStart(); 7844 7845 if (curs >= 0 || (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 7846 registerForPreDraw(); 7847 } 7848 7849 checkForResize(); 7850 7851 if (curs >= 0) { 7852 mHighlightPathBogus = true; 7853 if (mEditor != null) mEditor.makeBlink(); 7854 bringPointIntoView(curs); 7855 } 7856 } 7857 7858 /** 7859 * Not private so it can be called from an inner class without going 7860 * through a thunk. 7861 */ 7862 void handleTextChanged(CharSequence buffer, int start, int before, int after) { 7863 final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState; 7864 if (ims == null || ims.mBatchEditNesting == 0) { 7865 updateAfterEdit(); 7866 } 7867 if (ims != null) { 7868 ims.mContentChanged = true; 7869 if (ims.mChangedStart < 0) { 7870 ims.mChangedStart = start; 7871 ims.mChangedEnd = start+before; 7872 } else { 7873 ims.mChangedStart = Math.min(ims.mChangedStart, start); 7874 ims.mChangedEnd = Math.max(ims.mChangedEnd, start + before - ims.mChangedDelta); 7875 } 7876 ims.mChangedDelta += after-before; 7877 } 7878 resetErrorChangedFlag(); 7879 sendOnTextChanged(buffer, start, before, after); 7880 onTextChanged(buffer, start, before, after); 7881 } 7882 7883 /** 7884 * Not private so it can be called from an inner class without going 7885 * through a thunk. 7886 */ 7887 void spanChange(Spanned buf, Object what, int oldStart, int newStart, int oldEnd, int newEnd) { 7888 // XXX Make the start and end move together if this ends up 7889 // spending too much time invalidating. 7890 7891 boolean selChanged = false; 7892 int newSelStart=-1, newSelEnd=-1; 7893 7894 final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState; 7895 7896 if (what == Selection.SELECTION_END) { 7897 selChanged = true; 7898 newSelEnd = newStart; 7899 7900 if (oldStart >= 0 || newStart >= 0) { 7901 invalidateCursor(Selection.getSelectionStart(buf), oldStart, newStart); 7902 checkForResize(); 7903 registerForPreDraw(); 7904 if (mEditor != null) mEditor.makeBlink(); 7905 } 7906 } 7907 7908 if (what == Selection.SELECTION_START) { 7909 selChanged = true; 7910 newSelStart = newStart; 7911 7912 if (oldStart >= 0 || newStart >= 0) { 7913 int end = Selection.getSelectionEnd(buf); 7914 invalidateCursor(end, oldStart, newStart); 7915 } 7916 } 7917 7918 if (selChanged) { 7919 mHighlightPathBogus = true; 7920 if (mEditor != null && !isFocused()) mEditor.mSelectionMoved = true; 7921 7922 if ((buf.getSpanFlags(what)&Spanned.SPAN_INTERMEDIATE) == 0) { 7923 if (newSelStart < 0) { 7924 newSelStart = Selection.getSelectionStart(buf); 7925 } 7926 if (newSelEnd < 0) { 7927 newSelEnd = Selection.getSelectionEnd(buf); 7928 } 7929 onSelectionChanged(newSelStart, newSelEnd); 7930 } 7931 } 7932 7933 if (what instanceof UpdateAppearance || what instanceof ParagraphStyle || 7934 what instanceof CharacterStyle) { 7935 if (ims == null || ims.mBatchEditNesting == 0) { 7936 invalidate(); 7937 mHighlightPathBogus = true; 7938 checkForResize(); 7939 } else { 7940 ims.mContentChanged = true; 7941 } 7942 if (mEditor != null) { 7943 if (oldStart >= 0) mEditor.invalidateTextDisplayList(mLayout, oldStart, oldEnd); 7944 if (newStart >= 0) mEditor.invalidateTextDisplayList(mLayout, newStart, newEnd); 7945 } 7946 } 7947 7948 if (MetaKeyKeyListener.isMetaTracker(buf, what)) { 7949 mHighlightPathBogus = true; 7950 if (ims != null && MetaKeyKeyListener.isSelectingMetaTracker(buf, what)) { 7951 ims.mSelectionModeChanged = true; 7952 } 7953 7954 if (Selection.getSelectionStart(buf) >= 0) { 7955 if (ims == null || ims.mBatchEditNesting == 0) { 7956 invalidateCursor(); 7957 } else { 7958 ims.mCursorChanged = true; 7959 } 7960 } 7961 } 7962 7963 if (what instanceof ParcelableSpan) { 7964 // If this is a span that can be sent to a remote process, 7965 // the current extract editor would be interested in it. 7966 if (ims != null && ims.mExtractedTextRequest != null) { 7967 if (ims.mBatchEditNesting != 0) { 7968 if (oldStart >= 0) { 7969 if (ims.mChangedStart > oldStart) { 7970 ims.mChangedStart = oldStart; 7971 } 7972 if (ims.mChangedStart > oldEnd) { 7973 ims.mChangedStart = oldEnd; 7974 } 7975 } 7976 if (newStart >= 0) { 7977 if (ims.mChangedStart > newStart) { 7978 ims.mChangedStart = newStart; 7979 } 7980 if (ims.mChangedStart > newEnd) { 7981 ims.mChangedStart = newEnd; 7982 } 7983 } 7984 } else { 7985 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "Span change outside of batch: " 7986 + oldStart + "-" + oldEnd + "," 7987 + newStart + "-" + newEnd + " " + what); 7988 ims.mContentChanged = true; 7989 } 7990 } 7991 } 7992 7993 if (mEditor != null && mEditor.mSpellChecker != null && newStart < 0 && 7994 what instanceof SpellCheckSpan) { 7995 mEditor.mSpellChecker.onSpellCheckSpanRemoved((SpellCheckSpan) what); 7996 } 7997 } 7998 7999 /** 8000 * @hide 8001 */ 8002 @Override 8003 public void dispatchFinishTemporaryDetach() { 8004 mDispatchTemporaryDetach = true; 8005 super.dispatchFinishTemporaryDetach(); 8006 mDispatchTemporaryDetach = false; 8007 } 8008 8009 @Override 8010 public void onStartTemporaryDetach() { 8011 super.onStartTemporaryDetach(); 8012 // Only track when onStartTemporaryDetach() is called directly, 8013 // usually because this instance is an editable field in a list 8014 if (!mDispatchTemporaryDetach) mTemporaryDetach = true; 8015 8016 // Tell the editor that we are temporarily detached. It can use this to preserve 8017 // selection state as needed. 8018 if (mEditor != null) mEditor.mTemporaryDetach = true; 8019 } 8020 8021 @Override 8022 public void onFinishTemporaryDetach() { 8023 super.onFinishTemporaryDetach(); 8024 // Only track when onStartTemporaryDetach() is called directly, 8025 // usually because this instance is an editable field in a list 8026 if (!mDispatchTemporaryDetach) mTemporaryDetach = false; 8027 if (mEditor != null) mEditor.mTemporaryDetach = false; 8028 } 8029 8030 @Override 8031 protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { 8032 if (mTemporaryDetach) { 8033 // If we are temporarily in the detach state, then do nothing. 8034 super.onFocusChanged(focused, direction, previouslyFocusedRect); 8035 return; 8036 } 8037 8038 if (mEditor != null) mEditor.onFocusChanged(focused, direction); 8039 8040 if (focused) { 8041 if (mText instanceof Spannable) { 8042 Spannable sp = (Spannable) mText; 8043 MetaKeyKeyListener.resetMetaState(sp); 8044 } 8045 } 8046 8047 startStopMarquee(focused); 8048 8049 if (mTransformation != null) { 8050 mTransformation.onFocusChanged(this, mText, focused, direction, previouslyFocusedRect); 8051 } 8052 8053 super.onFocusChanged(focused, direction, previouslyFocusedRect); 8054 } 8055 8056 @Override 8057 public void onWindowFocusChanged(boolean hasWindowFocus) { 8058 super.onWindowFocusChanged(hasWindowFocus); 8059 8060 if (mEditor != null) mEditor.onWindowFocusChanged(hasWindowFocus); 8061 8062 startStopMarquee(hasWindowFocus); 8063 } 8064 8065 @Override 8066 protected void onVisibilityChanged(View changedView, int visibility) { 8067 super.onVisibilityChanged(changedView, visibility); 8068 if (mEditor != null && visibility != VISIBLE) { 8069 mEditor.hideControllers(); 8070 } 8071 } 8072 8073 /** 8074 * Use {@link BaseInputConnection#removeComposingSpans 8075 * BaseInputConnection.removeComposingSpans()} to remove any IME composing 8076 * state from this text view. 8077 */ 8078 public void clearComposingText() { 8079 if (mText instanceof Spannable) { 8080 BaseInputConnection.removeComposingSpans((Spannable)mText); 8081 } 8082 } 8083 8084 @Override 8085 public void setSelected(boolean selected) { 8086 boolean wasSelected = isSelected(); 8087 8088 super.setSelected(selected); 8089 8090 if (selected != wasSelected && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 8091 if (selected) { 8092 startMarquee(); 8093 } else { 8094 stopMarquee(); 8095 } 8096 } 8097 } 8098 8099 @Override 8100 public boolean onTouchEvent(MotionEvent event) { 8101 final int action = event.getActionMasked(); 8102 8103 if (mEditor != null) { 8104 mEditor.onTouchEvent(event); 8105 8106 if (mEditor.mSelectionModifierCursorController != null && 8107 mEditor.mSelectionModifierCursorController.isDragAcceleratorActive()) { 8108 return true; 8109 } 8110 } 8111 8112 final boolean superResult = super.onTouchEvent(event); 8113 8114 /* 8115 * Don't handle the release after a long press, because it will 8116 * move the selection away from whatever the menu action was 8117 * trying to affect. 8118 */ 8119 if (mEditor != null && mEditor.mDiscardNextActionUp && action == MotionEvent.ACTION_UP) { 8120 mEditor.mDiscardNextActionUp = false; 8121 return superResult; 8122 } 8123 8124 final boolean touchIsFinished = (action == MotionEvent.ACTION_UP) && 8125 (mEditor == null || !mEditor.mIgnoreActionUpEvent) && isFocused(); 8126 8127 if ((mMovement != null || onCheckIsTextEditor()) && isEnabled() 8128 && mText instanceof Spannable && mLayout != null) { 8129 boolean handled = false; 8130 8131 if (mMovement != null) { 8132 handled |= mMovement.onTouchEvent(this, (Spannable) mText, event); 8133 } 8134 8135 final boolean textIsSelectable = isTextSelectable(); 8136 if (touchIsFinished && mLinksClickable && mAutoLinkMask != 0 && textIsSelectable) { 8137 // The LinkMovementMethod which should handle taps on links has not been installed 8138 // on non editable text that support text selection. 8139 // We reproduce its behavior here to open links for these. 8140 ClickableSpan[] links = ((Spannable) mText).getSpans(getSelectionStart(), 8141 getSelectionEnd(), ClickableSpan.class); 8142 8143 if (links.length > 0) { 8144 links[0].onClick(this); 8145 handled = true; 8146 } 8147 } 8148 8149 if (touchIsFinished && (isTextEditable() || textIsSelectable)) { 8150 // Show the IME, except when selecting in read-only text. 8151 final InputMethodManager imm = InputMethodManager.peekInstance(); 8152 viewClicked(imm); 8153 if (!textIsSelectable && mEditor.mShowSoftInputOnFocus) { 8154 handled |= imm != null && imm.showSoftInput(this, 0); 8155 } 8156 8157 // The above condition ensures that the mEditor is not null 8158 mEditor.onTouchUpEvent(event); 8159 8160 handled = true; 8161 } 8162 8163 if (handled) { 8164 return true; 8165 } 8166 } 8167 8168 return superResult; 8169 } 8170 8171 @Override 8172 public boolean onGenericMotionEvent(MotionEvent event) { 8173 if (mMovement != null && mText instanceof Spannable && mLayout != null) { 8174 try { 8175 if (mMovement.onGenericMotionEvent(this, (Spannable) mText, event)) { 8176 return true; 8177 } 8178 } catch (AbstractMethodError ex) { 8179 // onGenericMotionEvent was added to the MovementMethod interface in API 12. 8180 // Ignore its absence in case third party applications implemented the 8181 // interface directly. 8182 } 8183 } 8184 return super.onGenericMotionEvent(event); 8185 } 8186 8187 /** 8188 * @return True iff this TextView contains a text that can be edited, or if this is 8189 * a selectable TextView. 8190 */ 8191 boolean isTextEditable() { 8192 return mText instanceof Editable && onCheckIsTextEditor() && isEnabled(); 8193 } 8194 8195 /** 8196 * Returns true, only while processing a touch gesture, if the initial 8197 * touch down event caused focus to move to the text view and as a result 8198 * its selection changed. Only valid while processing the touch gesture 8199 * of interest, in an editable text view. 8200 */ 8201 public boolean didTouchFocusSelect() { 8202 return mEditor != null && mEditor.mTouchFocusSelected; 8203 } 8204 8205 @Override 8206 public void cancelLongPress() { 8207 super.cancelLongPress(); 8208 if (mEditor != null) mEditor.mIgnoreActionUpEvent = true; 8209 } 8210 8211 @Override 8212 public boolean onTrackballEvent(MotionEvent event) { 8213 if (mMovement != null && mText instanceof Spannable && mLayout != null) { 8214 if (mMovement.onTrackballEvent(this, (Spannable) mText, event)) { 8215 return true; 8216 } 8217 } 8218 8219 return super.onTrackballEvent(event); 8220 } 8221 8222 public void setScroller(Scroller s) { 8223 mScroller = s; 8224 } 8225 8226 @Override 8227 protected float getLeftFadingEdgeStrength() { 8228 if (mEllipsize == TextUtils.TruncateAt.MARQUEE && 8229 mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 8230 if (mMarquee != null && !mMarquee.isStopped()) { 8231 final Marquee marquee = mMarquee; 8232 if (marquee.shouldDrawLeftFade()) { 8233 final float scroll = marquee.getScroll(); 8234 return scroll / getHorizontalFadingEdgeLength(); 8235 } else { 8236 return 0.0f; 8237 } 8238 } else if (getLineCount() == 1) { 8239 final int layoutDirection = getLayoutDirection(); 8240 final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection); 8241 switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) { 8242 case Gravity.LEFT: 8243 return 0.0f; 8244 case Gravity.RIGHT: 8245 return (mLayout.getLineRight(0) - (mRight - mLeft) - 8246 getCompoundPaddingLeft() - getCompoundPaddingRight() - 8247 mLayout.getLineLeft(0)) / getHorizontalFadingEdgeLength(); 8248 case Gravity.CENTER_HORIZONTAL: 8249 case Gravity.FILL_HORIZONTAL: 8250 final int textDirection = mLayout.getParagraphDirection(0); 8251 if (textDirection == Layout.DIR_LEFT_TO_RIGHT) { 8252 return 0.0f; 8253 } else { 8254 return (mLayout.getLineRight(0) - (mRight - mLeft) - 8255 getCompoundPaddingLeft() - getCompoundPaddingRight() - 8256 mLayout.getLineLeft(0)) / getHorizontalFadingEdgeLength(); 8257 } 8258 } 8259 } 8260 } 8261 return super.getLeftFadingEdgeStrength(); 8262 } 8263 8264 @Override 8265 protected float getRightFadingEdgeStrength() { 8266 if (mEllipsize == TextUtils.TruncateAt.MARQUEE && 8267 mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 8268 if (mMarquee != null && !mMarquee.isStopped()) { 8269 final Marquee marquee = mMarquee; 8270 final float maxFadeScroll = marquee.getMaxFadeScroll(); 8271 final float scroll = marquee.getScroll(); 8272 return (maxFadeScroll - scroll) / getHorizontalFadingEdgeLength(); 8273 } else if (getLineCount() == 1) { 8274 final int layoutDirection = getLayoutDirection(); 8275 final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection); 8276 switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) { 8277 case Gravity.LEFT: 8278 final int textWidth = (mRight - mLeft) - getCompoundPaddingLeft() - 8279 getCompoundPaddingRight(); 8280 final float lineWidth = mLayout.getLineWidth(0); 8281 return (lineWidth - textWidth) / getHorizontalFadingEdgeLength(); 8282 case Gravity.RIGHT: 8283 return 0.0f; 8284 case Gravity.CENTER_HORIZONTAL: 8285 case Gravity.FILL_HORIZONTAL: 8286 final int textDirection = mLayout.getParagraphDirection(0); 8287 if (textDirection == Layout.DIR_RIGHT_TO_LEFT) { 8288 return 0.0f; 8289 } else { 8290 return (mLayout.getLineWidth(0) - ((mRight - mLeft) - 8291 getCompoundPaddingLeft() - getCompoundPaddingRight())) / 8292 getHorizontalFadingEdgeLength(); 8293 } 8294 } 8295 } 8296 } 8297 return super.getRightFadingEdgeStrength(); 8298 } 8299 8300 @Override 8301 protected int computeHorizontalScrollRange() { 8302 if (mLayout != null) { 8303 return mSingleLine && (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK) == Gravity.LEFT ? 8304 (int) mLayout.getLineWidth(0) : mLayout.getWidth(); 8305 } 8306 8307 return super.computeHorizontalScrollRange(); 8308 } 8309 8310 @Override 8311 protected int computeVerticalScrollRange() { 8312 if (mLayout != null) 8313 return mLayout.getHeight(); 8314 8315 return super.computeVerticalScrollRange(); 8316 } 8317 8318 @Override 8319 protected int computeVerticalScrollExtent() { 8320 return getHeight() - getCompoundPaddingTop() - getCompoundPaddingBottom(); 8321 } 8322 8323 @Override 8324 public void findViewsWithText(ArrayList<View> outViews, CharSequence searched, int flags) { 8325 super.findViewsWithText(outViews, searched, flags); 8326 if (!outViews.contains(this) && (flags & FIND_VIEWS_WITH_TEXT) != 0 8327 && !TextUtils.isEmpty(searched) && !TextUtils.isEmpty(mText)) { 8328 String searchedLowerCase = searched.toString().toLowerCase(); 8329 String textLowerCase = mText.toString().toLowerCase(); 8330 if (textLowerCase.contains(searchedLowerCase)) { 8331 outViews.add(this); 8332 } 8333 } 8334 } 8335 8336 public enum BufferType { 8337 NORMAL, SPANNABLE, EDITABLE, 8338 } 8339 8340 /** 8341 * Returns the TextView_textColor attribute from the TypedArray, if set, or 8342 * the TextAppearance_textColor from the TextView_textAppearance attribute, 8343 * if TextView_textColor was not set directly. 8344 * 8345 * @removed 8346 */ 8347 public static ColorStateList getTextColors(Context context, TypedArray attrs) { 8348 if (attrs == null) { 8349 // Preserve behavior prior to removal of this API. 8350 throw new NullPointerException(); 8351 } 8352 8353 // It's not safe to use this method from apps. The parameter 'attrs' 8354 // must have been obtained using the TextView filter array which is not 8355 // available to the SDK. As such, we grab a default TypedArray with the 8356 // right filter instead here. 8357 final TypedArray a = context.obtainStyledAttributes(R.styleable.TextView); 8358 ColorStateList colors = a.getColorStateList(R.styleable.TextView_textColor); 8359 if (colors == null) { 8360 final int ap = a.getResourceId(R.styleable.TextView_textAppearance, 0); 8361 if (ap != 0) { 8362 final TypedArray appearance = context.obtainStyledAttributes( 8363 ap, R.styleable.TextAppearance); 8364 colors = appearance.getColorStateList(R.styleable.TextAppearance_textColor); 8365 appearance.recycle(); 8366 } 8367 } 8368 a.recycle(); 8369 8370 return colors; 8371 } 8372 8373 /** 8374 * Returns the default color from the TextView_textColor attribute from the 8375 * AttributeSet, if set, or the default color from the 8376 * TextAppearance_textColor from the TextView_textAppearance attribute, if 8377 * TextView_textColor was not set directly. 8378 * 8379 * @removed 8380 */ 8381 public static int getTextColor(Context context, TypedArray attrs, int def) { 8382 final ColorStateList colors = getTextColors(context, attrs); 8383 if (colors == null) { 8384 return def; 8385 } else { 8386 return colors.getDefaultColor(); 8387 } 8388 } 8389 8390 @Override 8391 public boolean onKeyShortcut(int keyCode, KeyEvent event) { 8392 if (event.hasModifiers(KeyEvent.META_CTRL_ON)) { 8393 // Handle Ctrl-only shortcuts. 8394 switch (keyCode) { 8395 case KeyEvent.KEYCODE_A: 8396 if (canSelectText()) { 8397 return onTextContextMenuItem(ID_SELECT_ALL); 8398 } 8399 break; 8400 case KeyEvent.KEYCODE_Z: 8401 if (canUndo()) { 8402 return onTextContextMenuItem(ID_UNDO); 8403 } 8404 break; 8405 case KeyEvent.KEYCODE_X: 8406 if (canCut()) { 8407 return onTextContextMenuItem(ID_CUT); 8408 } 8409 break; 8410 case KeyEvent.KEYCODE_C: 8411 if (canCopy()) { 8412 return onTextContextMenuItem(ID_COPY); 8413 } 8414 break; 8415 case KeyEvent.KEYCODE_V: 8416 if (canPaste()) { 8417 return onTextContextMenuItem(ID_PASTE); 8418 } 8419 break; 8420 } 8421 } else if (event.hasModifiers(KeyEvent.META_CTRL_ON | KeyEvent.META_SHIFT_ON)) { 8422 // Handle Ctrl-Shift shortcuts. 8423 switch (keyCode) { 8424 case KeyEvent.KEYCODE_Z: 8425 if (canRedo()) { 8426 return onTextContextMenuItem(ID_REDO); 8427 } 8428 break; 8429 case KeyEvent.KEYCODE_V: 8430 if (canPaste()) { 8431 return onTextContextMenuItem(ID_PASTE_AS_PLAIN_TEXT); 8432 } 8433 } 8434 } 8435 return super.onKeyShortcut(keyCode, event); 8436 } 8437 8438 /** 8439 * Unlike {@link #textCanBeSelected()}, this method is based on the <i>current</i> state of the 8440 * TextView. {@link #textCanBeSelected()} has to be true (this is one of the conditions to have 8441 * a selection controller (see {@link Editor#prepareCursorControllers()}), but this is not 8442 * sufficient. 8443 */ 8444 private boolean canSelectText() { 8445 return mText.length() != 0 && mEditor != null && mEditor.hasSelectionController(); 8446 } 8447 8448 /** 8449 * Test based on the <i>intrinsic</i> charateristics of the TextView. 8450 * The text must be spannable and the movement method must allow for arbitary selection. 8451 * 8452 * See also {@link #canSelectText()}. 8453 */ 8454 boolean textCanBeSelected() { 8455 // prepareCursorController() relies on this method. 8456 // If you change this condition, make sure prepareCursorController is called anywhere 8457 // the value of this condition might be changed. 8458 if (mMovement == null || !mMovement.canSelectArbitrarily()) return false; 8459 return isTextEditable() || 8460 (isTextSelectable() && mText instanceof Spannable && isEnabled()); 8461 } 8462 8463 private Locale getTextServicesLocale(boolean allowNullLocale) { 8464 // Start fetching the text services locale asynchronously. 8465 updateTextServicesLocaleAsync(); 8466 // If !allowNullLocale and there is no cached text services locale, just return the default 8467 // locale. 8468 return (mCurrentSpellCheckerLocaleCache == null && !allowNullLocale) ? Locale.getDefault() 8469 : mCurrentSpellCheckerLocaleCache; 8470 } 8471 8472 /** 8473 * This is a temporary method. Future versions may support multi-locale text. 8474 * Caveat: This method may not return the latest text services locale, but this should be 8475 * acceptable and it's more important to make this method asynchronous. 8476 * 8477 * @return The locale that should be used for a word iterator 8478 * in this TextView, based on the current spell checker settings, 8479 * the current IME's locale, or the system default locale. 8480 * Please note that a word iterator in this TextView is different from another word iterator 8481 * used by SpellChecker.java of TextView. This method should be used for the former. 8482 * @hide 8483 */ 8484 // TODO: Support multi-locale 8485 // TODO: Update the text services locale immediately after the keyboard locale is switched 8486 // by catching intent of keyboard switch event 8487 public Locale getTextServicesLocale() { 8488 return getTextServicesLocale(false /* allowNullLocale */); 8489 } 8490 8491 /** 8492 * This is a temporary method. Future versions may support multi-locale text. 8493 * Caveat: This method may not return the latest spell checker locale, but this should be 8494 * acceptable and it's more important to make this method asynchronous. 8495 * 8496 * @return The locale that should be used for a spell checker in this TextView, 8497 * based on the current spell checker settings, the current IME's locale, or the system default 8498 * locale. 8499 * @hide 8500 */ 8501 public Locale getSpellCheckerLocale() { 8502 return getTextServicesLocale(true /* allowNullLocale */); 8503 } 8504 8505 private void updateTextServicesLocaleAsync() { 8506 // AsyncTask.execute() uses a serial executor which means we don't have 8507 // to lock around updateTextServicesLocaleLocked() to prevent it from 8508 // being executed n times in parallel. 8509 AsyncTask.execute(new Runnable() { 8510 @Override 8511 public void run() { 8512 updateTextServicesLocaleLocked(); 8513 } 8514 }); 8515 } 8516 8517 private void updateTextServicesLocaleLocked() { 8518 final TextServicesManager textServicesManager = (TextServicesManager) 8519 mContext.getSystemService(Context.TEXT_SERVICES_MANAGER_SERVICE); 8520 final SpellCheckerSubtype subtype = textServicesManager.getCurrentSpellCheckerSubtype(true); 8521 final Locale locale; 8522 if (subtype != null) { 8523 locale = SpellCheckerSubtype.constructLocaleFromString(subtype.getLocale()); 8524 } else { 8525 locale = null; 8526 } 8527 mCurrentSpellCheckerLocaleCache = locale; 8528 } 8529 8530 void onLocaleChanged() { 8531 // Will be re-created on demand in getWordIterator with the proper new locale 8532 mEditor.mWordIterator = null; 8533 } 8534 8535 /** 8536 * This method is used by the ArrowKeyMovementMethod to jump from one word to the other. 8537 * Made available to achieve a consistent behavior. 8538 * @hide 8539 */ 8540 public WordIterator getWordIterator() { 8541 if (mEditor != null) { 8542 return mEditor.getWordIterator(); 8543 } else { 8544 return null; 8545 } 8546 } 8547 8548 /** @hide */ 8549 @Override 8550 public void onPopulateAccessibilityEventInternal(AccessibilityEvent event) { 8551 super.onPopulateAccessibilityEventInternal(event); 8552 8553 final boolean isPassword = hasPasswordTransformationMethod(); 8554 if (!isPassword || shouldSpeakPasswordsForAccessibility()) { 8555 final CharSequence text = getTextForAccessibility(); 8556 if (!TextUtils.isEmpty(text)) { 8557 event.getText().add(text); 8558 } 8559 } 8560 } 8561 8562 /** 8563 * @return true if the user has explicitly allowed accessibility services 8564 * to speak passwords. 8565 */ 8566 private boolean shouldSpeakPasswordsForAccessibility() { 8567 return (Settings.Secure.getIntForUser(mContext.getContentResolver(), 8568 Settings.Secure.ACCESSIBILITY_SPEAK_PASSWORD, 0, 8569 UserHandle.USER_CURRENT_OR_SELF) == 1); 8570 } 8571 8572 @Override 8573 public CharSequence getAccessibilityClassName() { 8574 return TextView.class.getName(); 8575 } 8576 8577 @Override 8578 public void onProvideAssistData(ViewAssistData data, Bundle extras) { 8579 super.onProvideAssistData(data, extras); 8580 final boolean isPassword = hasPasswordTransformationMethod(); 8581 if (!isPassword) { 8582 data.setText(getText(), getSelectionStart(), getSelectionEnd()); 8583 } 8584 data.setHint(getHint()); 8585 } 8586 8587 /** @hide */ 8588 @Override 8589 public void onInitializeAccessibilityEventInternal(AccessibilityEvent event) { 8590 super.onInitializeAccessibilityEventInternal(event); 8591 8592 final boolean isPassword = hasPasswordTransformationMethod(); 8593 event.setPassword(isPassword); 8594 8595 if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED) { 8596 event.setFromIndex(Selection.getSelectionStart(mText)); 8597 event.setToIndex(Selection.getSelectionEnd(mText)); 8598 event.setItemCount(mText.length()); 8599 } 8600 } 8601 8602 /** @hide */ 8603 @Override 8604 public void onInitializeAccessibilityNodeInfoInternal(AccessibilityNodeInfo info) { 8605 super.onInitializeAccessibilityNodeInfoInternal(info); 8606 8607 final boolean isPassword = hasPasswordTransformationMethod(); 8608 info.setPassword(isPassword); 8609 8610 if (!isPassword || shouldSpeakPasswordsForAccessibility()) { 8611 info.setText(getTextForAccessibility()); 8612 } 8613 8614 if (mBufferType == BufferType.EDITABLE) { 8615 info.setEditable(true); 8616 } 8617 8618 if (mEditor != null) { 8619 info.setInputType(mEditor.mInputType); 8620 8621 if (mEditor.mError != null) { 8622 info.setContentInvalid(true); 8623 info.setError(mEditor.mError); 8624 } 8625 } 8626 8627 if (!TextUtils.isEmpty(mText)) { 8628 info.addAction(AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY); 8629 info.addAction(AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY); 8630 info.setMovementGranularities(AccessibilityNodeInfo.MOVEMENT_GRANULARITY_CHARACTER 8631 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_WORD 8632 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE 8633 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PARAGRAPH 8634 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE); 8635 } 8636 8637 if (isFocused()) { 8638 if (canSelectText()) { 8639 info.addAction(AccessibilityNodeInfo.ACTION_SET_SELECTION); 8640 } 8641 if (canCopy()) { 8642 info.addAction(AccessibilityNodeInfo.ACTION_COPY); 8643 } 8644 if (canPaste()) { 8645 info.addAction(AccessibilityNodeInfo.ACTION_PASTE); 8646 } 8647 if (canCut()) { 8648 info.addAction(AccessibilityNodeInfo.ACTION_CUT); 8649 } 8650 } 8651 8652 // Check for known input filter types. 8653 final int numFilters = mFilters.length; 8654 for (int i = 0; i < numFilters; i++) { 8655 final InputFilter filter = mFilters[i]; 8656 if (filter instanceof InputFilter.LengthFilter) { 8657 info.setMaxTextLength(((InputFilter.LengthFilter) filter).getMax()); 8658 } 8659 } 8660 8661 if (!isSingleLine()) { 8662 info.setMultiLine(true); 8663 } 8664 } 8665 8666 /** 8667 * Performs an accessibility action after it has been offered to the 8668 * delegate. 8669 * 8670 * @hide 8671 */ 8672 @Override 8673 public boolean performAccessibilityActionInternal(int action, Bundle arguments) { 8674 switch (action) { 8675 case AccessibilityNodeInfo.ACTION_CLICK: { 8676 boolean handled = false; 8677 8678 // Simulate View.onTouchEvent for an ACTION_UP event. 8679 if (isClickable() || isLongClickable()) { 8680 if (isFocusable() && !isFocused()) { 8681 requestFocus(); 8682 } 8683 8684 performClick(); 8685 handled = true; 8686 } 8687 8688 // Simulate TextView.onTouchEvent for an ACTION_UP event. 8689 if ((mMovement != null || onCheckIsTextEditor()) && isEnabled() 8690 && mText instanceof Spannable && mLayout != null 8691 && (isTextEditable() || isTextSelectable()) && isFocused()) { 8692 // Show the IME, except when selecting in read-only text. 8693 final InputMethodManager imm = InputMethodManager.peekInstance(); 8694 viewClicked(imm); 8695 if (!isTextSelectable() && mEditor.mShowSoftInputOnFocus && imm != null) { 8696 handled |= imm.showSoftInput(this, 0); 8697 } 8698 } 8699 8700 return handled; 8701 } 8702 case AccessibilityNodeInfo.ACTION_COPY: { 8703 if (isFocused() && canCopy()) { 8704 if (onTextContextMenuItem(ID_COPY)) { 8705 return true; 8706 } 8707 } 8708 } return false; 8709 case AccessibilityNodeInfo.ACTION_PASTE: { 8710 if (isFocused() && canPaste()) { 8711 if (onTextContextMenuItem(ID_PASTE)) { 8712 return true; 8713 } 8714 } 8715 } return false; 8716 case AccessibilityNodeInfo.ACTION_CUT: { 8717 if (isFocused() && canCut()) { 8718 if (onTextContextMenuItem(ID_CUT)) { 8719 return true; 8720 } 8721 } 8722 } return false; 8723 case AccessibilityNodeInfo.ACTION_SET_SELECTION: { 8724 if (isFocused() && canSelectText()) { 8725 ensureIterableTextForAccessibilitySelectable(); 8726 CharSequence text = getIterableTextForAccessibility(); 8727 if (text == null) { 8728 return false; 8729 } 8730 final int start = (arguments != null) ? arguments.getInt( 8731 AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_START_INT, -1) : -1; 8732 final int end = (arguments != null) ? arguments.getInt( 8733 AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_END_INT, -1) : -1; 8734 if ((getSelectionStart() != start || getSelectionEnd() != end)) { 8735 // No arguments clears the selection. 8736 if (start == end && end == -1) { 8737 Selection.removeSelection((Spannable) text); 8738 return true; 8739 } 8740 if (start >= 0 && start <= end && end <= text.length()) { 8741 Selection.setSelection((Spannable) text, start, end); 8742 // Make sure selection mode is engaged. 8743 if (mEditor != null) { 8744 mEditor.startSelectionActionMode(); 8745 } 8746 return true; 8747 } 8748 } 8749 } 8750 } return false; 8751 case AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY: 8752 case AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY: { 8753 ensureIterableTextForAccessibilitySelectable(); 8754 return super.performAccessibilityActionInternal(action, arguments); 8755 } 8756 default: { 8757 return super.performAccessibilityActionInternal(action, arguments); 8758 } 8759 } 8760 } 8761 8762 /** @hide */ 8763 @Override 8764 public void sendAccessibilityEventInternal(int eventType) { 8765 // Do not send scroll events since first they are not interesting for 8766 // accessibility and second such events a generated too frequently. 8767 // For details see the implementation of bringTextIntoView(). 8768 if (eventType == AccessibilityEvent.TYPE_VIEW_SCROLLED) { 8769 return; 8770 } 8771 super.sendAccessibilityEventInternal(eventType); 8772 } 8773 8774 /** 8775 * Gets the text reported for accessibility purposes. 8776 * 8777 * @return The accessibility text. 8778 * 8779 * @hide 8780 */ 8781 public CharSequence getTextForAccessibility() { 8782 CharSequence text = getText(); 8783 if (TextUtils.isEmpty(text)) { 8784 text = getHint(); 8785 } 8786 return text; 8787 } 8788 8789 void sendAccessibilityEventTypeViewTextChanged(CharSequence beforeText, 8790 int fromIndex, int removedCount, int addedCount) { 8791 AccessibilityEvent event = 8792 AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED); 8793 event.setFromIndex(fromIndex); 8794 event.setRemovedCount(removedCount); 8795 event.setAddedCount(addedCount); 8796 event.setBeforeText(beforeText); 8797 sendAccessibilityEventUnchecked(event); 8798 } 8799 8800 /** 8801 * Returns whether this text view is a current input method target. The 8802 * default implementation just checks with {@link InputMethodManager}. 8803 */ 8804 public boolean isInputMethodTarget() { 8805 InputMethodManager imm = InputMethodManager.peekInstance(); 8806 return imm != null && imm.isActive(this); 8807 } 8808 8809 static final int ID_SELECT_ALL = android.R.id.selectAll; 8810 static final int ID_UNDO = android.R.id.undo; 8811 static final int ID_REDO = android.R.id.redo; 8812 static final int ID_CUT = android.R.id.cut; 8813 static final int ID_COPY = android.R.id.copy; 8814 static final int ID_PASTE = android.R.id.paste; 8815 static final int ID_PASTE_AS_PLAIN_TEXT = android.R.id.pasteAsPlainText; 8816 8817 /** 8818 * Called when a context menu option for the text view is selected. Currently 8819 * this will be one of {@link android.R.id#selectAll}, {@link android.R.id#cut}, 8820 * {@link android.R.id#copy} or {@link android.R.id#paste}. 8821 * 8822 * @return true if the context menu item action was performed. 8823 */ 8824 public boolean onTextContextMenuItem(int id) { 8825 int min = 0; 8826 int max = mText.length(); 8827 8828 if (isFocused()) { 8829 final int selStart = getSelectionStart(); 8830 final int selEnd = getSelectionEnd(); 8831 8832 min = Math.max(0, Math.min(selStart, selEnd)); 8833 max = Math.max(0, Math.max(selStart, selEnd)); 8834 } 8835 8836 switch (id) { 8837 case ID_SELECT_ALL: 8838 // This does not enter text selection mode. Text is highlighted, so that it can be 8839 // bulk edited, like selectAllOnFocus does. Returns true even if text is empty. 8840 selectAllText(); 8841 return true; 8842 8843 case ID_UNDO: 8844 if (mEditor != null) { 8845 mEditor.undo(); 8846 } 8847 return true; // Returns true even if nothing was undone. 8848 8849 case ID_REDO: 8850 if (mEditor != null) { 8851 mEditor.redo(); 8852 } 8853 return true; // Returns true even if nothing was undone. 8854 8855 case ID_PASTE: 8856 paste(min, max, true /* withFormatting */); 8857 return true; 8858 8859 case ID_PASTE_AS_PLAIN_TEXT: 8860 paste(min, max, false /* withFormatting */); 8861 return true; 8862 8863 case ID_CUT: 8864 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max))); 8865 deleteText_internal(min, max); 8866 stopSelectionActionMode(); 8867 return true; 8868 8869 case ID_COPY: 8870 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max))); 8871 stopSelectionActionMode(); 8872 return true; 8873 } 8874 return false; 8875 } 8876 8877 CharSequence getTransformedText(int start, int end) { 8878 return removeSuggestionSpans(mTransformed.subSequence(start, end)); 8879 } 8880 8881 @Override 8882 public boolean performLongClick() { 8883 boolean handled = false; 8884 8885 if (super.performLongClick()) { 8886 handled = true; 8887 } 8888 8889 if (mEditor != null) { 8890 handled |= mEditor.performLongClick(handled); 8891 } 8892 8893 if (handled) { 8894 performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 8895 if (mEditor != null) mEditor.mDiscardNextActionUp = true; 8896 } 8897 8898 return handled; 8899 } 8900 8901 @Override 8902 protected void onScrollChanged(int horiz, int vert, int oldHoriz, int oldVert) { 8903 super.onScrollChanged(horiz, vert, oldHoriz, oldVert); 8904 if (mEditor != null) { 8905 mEditor.onScrollChanged(); 8906 } 8907 } 8908 8909 /** 8910 * Return whether or not suggestions are enabled on this TextView. The suggestions are generated 8911 * by the IME or by the spell checker as the user types. This is done by adding 8912 * {@link SuggestionSpan}s to the text. 8913 * 8914 * When suggestions are enabled (default), this list of suggestions will be displayed when the 8915 * user asks for them on these parts of the text. This value depends on the inputType of this 8916 * TextView. 8917 * 8918 * The class of the input type must be {@link InputType#TYPE_CLASS_TEXT}. 8919 * 8920 * In addition, the type variation must be one of 8921 * {@link InputType#TYPE_TEXT_VARIATION_NORMAL}, 8922 * {@link InputType#TYPE_TEXT_VARIATION_EMAIL_SUBJECT}, 8923 * {@link InputType#TYPE_TEXT_VARIATION_LONG_MESSAGE}, 8924 * {@link InputType#TYPE_TEXT_VARIATION_SHORT_MESSAGE} or 8925 * {@link InputType#TYPE_TEXT_VARIATION_WEB_EDIT_TEXT}. 8926 * 8927 * And finally, the {@link InputType#TYPE_TEXT_FLAG_NO_SUGGESTIONS} flag must <i>not</i> be set. 8928 * 8929 * @return true if the suggestions popup window is enabled, based on the inputType. 8930 */ 8931 public boolean isSuggestionsEnabled() { 8932 if (mEditor == null) return false; 8933 if ((mEditor.mInputType & InputType.TYPE_MASK_CLASS) != InputType.TYPE_CLASS_TEXT) { 8934 return false; 8935 } 8936 if ((mEditor.mInputType & InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS) > 0) return false; 8937 8938 final int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 8939 return (variation == EditorInfo.TYPE_TEXT_VARIATION_NORMAL || 8940 variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT || 8941 variation == EditorInfo.TYPE_TEXT_VARIATION_LONG_MESSAGE || 8942 variation == EditorInfo.TYPE_TEXT_VARIATION_SHORT_MESSAGE || 8943 variation == EditorInfo.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT); 8944 } 8945 8946 /** 8947 * If provided, this ActionMode.Callback will be used to create the ActionMode when text 8948 * selection is initiated in this View. 8949 * 8950 * The standard implementation populates the menu with a subset of Select All, Cut, Copy and 8951 * Paste actions, depending on what this View supports. 8952 * 8953 * A custom implementation can add new entries in the default menu in its 8954 * {@link android.view.ActionMode.Callback#onPrepareActionMode(ActionMode, Menu)} method. The 8955 * default actions can also be removed from the menu using {@link Menu#removeItem(int)} and 8956 * passing {@link android.R.id#selectAll}, {@link android.R.id#cut}, {@link android.R.id#copy} 8957 * or {@link android.R.id#paste} ids as parameters. 8958 * 8959 * Returning false from 8960 * {@link android.view.ActionMode.Callback#onCreateActionMode(ActionMode, Menu)} will prevent 8961 * the action mode from being started. 8962 * 8963 * Action click events should be handled by the custom implementation of 8964 * {@link android.view.ActionMode.Callback#onActionItemClicked(ActionMode, MenuItem)}. 8965 * 8966 * Note that text selection mode is not started when a TextView receives focus and the 8967 * {@link android.R.attr#selectAllOnFocus} flag has been set. The content is highlighted in 8968 * that case, to allow for quick replacement. 8969 */ 8970 public void setCustomSelectionActionModeCallback(ActionMode.Callback actionModeCallback) { 8971 createEditorIfNeeded(); 8972 mEditor.mCustomSelectionActionModeCallback = actionModeCallback; 8973 } 8974 8975 /** 8976 * Retrieves the value set in {@link #setCustomSelectionActionModeCallback}. Default is null. 8977 * 8978 * @return The current custom selection callback. 8979 */ 8980 public ActionMode.Callback getCustomSelectionActionModeCallback() { 8981 return mEditor == null ? null : mEditor.mCustomSelectionActionModeCallback; 8982 } 8983 8984 /** 8985 * @hide 8986 */ 8987 protected void stopSelectionActionMode() { 8988 if (mEditor != null) { 8989 mEditor.stopSelectionActionMode(); 8990 } 8991 } 8992 8993 boolean canUndo() { 8994 return mEditor != null && mEditor.canUndo(); 8995 } 8996 8997 boolean canRedo() { 8998 return mEditor != null && mEditor.canRedo(); 8999 } 9000 9001 boolean canCut() { 9002 if (hasPasswordTransformationMethod()) { 9003 return false; 9004 } 9005 9006 if (mText.length() > 0 && hasSelection() && mText instanceof Editable && mEditor != null && 9007 mEditor.mKeyListener != null) { 9008 return true; 9009 } 9010 9011 return false; 9012 } 9013 9014 boolean canCopy() { 9015 if (hasPasswordTransformationMethod()) { 9016 return false; 9017 } 9018 9019 if (mText.length() > 0 && hasSelection() && mEditor != null) { 9020 return true; 9021 } 9022 9023 return false; 9024 } 9025 9026 boolean canPaste() { 9027 return (mText instanceof Editable && 9028 mEditor != null && mEditor.mKeyListener != null && 9029 getSelectionStart() >= 0 && 9030 getSelectionEnd() >= 0 && 9031 ((ClipboardManager)getContext().getSystemService(Context.CLIPBOARD_SERVICE)). 9032 hasPrimaryClip()); 9033 } 9034 9035 boolean selectAllText() { 9036 final int length = mText.length(); 9037 Selection.setSelection((Spannable) mText, 0, length); 9038 return length > 0; 9039 } 9040 9041 /** 9042 * Paste clipboard content between min and max positions. 9043 */ 9044 private void paste(int min, int max, boolean withFormatting) { 9045 ClipboardManager clipboard = 9046 (ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE); 9047 ClipData clip = clipboard.getPrimaryClip(); 9048 if (clip != null) { 9049 boolean didFirst = false; 9050 for (int i=0; i<clip.getItemCount(); i++) { 9051 final CharSequence paste; 9052 if (withFormatting) { 9053 paste = clip.getItemAt(i).coerceToStyledText(getContext()); 9054 } else { 9055 // Get an item as text and remove all spans by toString(). 9056 final CharSequence text = clip.getItemAt(i).coerceToText(getContext()); 9057 paste = (text instanceof Spanned) ? text.toString() : text; 9058 } 9059 if (paste != null) { 9060 if (!didFirst) { 9061 Selection.setSelection((Spannable) mText, max); 9062 ((Editable) mText).replace(min, max, paste); 9063 didFirst = true; 9064 } else { 9065 ((Editable) mText).insert(getSelectionEnd(), "\n"); 9066 ((Editable) mText).insert(getSelectionEnd(), paste); 9067 } 9068 } 9069 } 9070 stopSelectionActionMode(); 9071 LAST_CUT_OR_COPY_TIME = 0; 9072 } 9073 } 9074 9075 private void setPrimaryClip(ClipData clip) { 9076 ClipboardManager clipboard = (ClipboardManager) getContext(). 9077 getSystemService(Context.CLIPBOARD_SERVICE); 9078 clipboard.setPrimaryClip(clip); 9079 LAST_CUT_OR_COPY_TIME = SystemClock.uptimeMillis(); 9080 } 9081 9082 /** 9083 * Get the character offset closest to the specified absolute position. A typical use case is to 9084 * pass the result of {@link MotionEvent#getX()} and {@link MotionEvent#getY()} to this method. 9085 * 9086 * @param x The horizontal absolute position of a point on screen 9087 * @param y The vertical absolute position of a point on screen 9088 * @return the character offset for the character whose position is closest to the specified 9089 * position. Returns -1 if there is no layout. 9090 */ 9091 public int getOffsetForPosition(float x, float y) { 9092 if (getLayout() == null) return -1; 9093 final int line = getLineAtCoordinate(y); 9094 final int offset = getOffsetAtCoordinate(line, x); 9095 return offset; 9096 } 9097 9098 float convertToLocalHorizontalCoordinate(float x) { 9099 x -= getTotalPaddingLeft(); 9100 // Clamp the position to inside of the view. 9101 x = Math.max(0.0f, x); 9102 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 9103 x += getScrollX(); 9104 return x; 9105 } 9106 9107 int getLineAtCoordinate(float y) { 9108 y -= getTotalPaddingTop(); 9109 // Clamp the position to inside of the view. 9110 y = Math.max(0.0f, y); 9111 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 9112 y += getScrollY(); 9113 return getLayout().getLineForVertical((int) y); 9114 } 9115 9116 int getOffsetAtCoordinate(int line, float x) { 9117 x = convertToLocalHorizontalCoordinate(x); 9118 return getLayout().getOffsetForHorizontal(line, x); 9119 } 9120 9121 @Override 9122 public boolean onDragEvent(DragEvent event) { 9123 switch (event.getAction()) { 9124 case DragEvent.ACTION_DRAG_STARTED: 9125 return mEditor != null && mEditor.hasInsertionController(); 9126 9127 case DragEvent.ACTION_DRAG_ENTERED: 9128 TextView.this.requestFocus(); 9129 return true; 9130 9131 case DragEvent.ACTION_DRAG_LOCATION: 9132 final int offset = getOffsetForPosition(event.getX(), event.getY()); 9133 Selection.setSelection((Spannable)mText, offset); 9134 return true; 9135 9136 case DragEvent.ACTION_DROP: 9137 if (mEditor != null) mEditor.onDrop(event); 9138 return true; 9139 9140 case DragEvent.ACTION_DRAG_ENDED: 9141 case DragEvent.ACTION_DRAG_EXITED: 9142 default: 9143 return true; 9144 } 9145 } 9146 9147 boolean isInBatchEditMode() { 9148 if (mEditor == null) return false; 9149 final Editor.InputMethodState ims = mEditor.mInputMethodState; 9150 if (ims != null) { 9151 return ims.mBatchEditNesting > 0; 9152 } 9153 return mEditor.mInBatchEditControllers; 9154 } 9155 9156 @Override 9157 public void onRtlPropertiesChanged(int layoutDirection) { 9158 super.onRtlPropertiesChanged(layoutDirection); 9159 9160 mTextDir = getTextDirectionHeuristic(); 9161 9162 if (mLayout != null) { 9163 checkForRelayout(); 9164 } 9165 } 9166 9167 TextDirectionHeuristic getTextDirectionHeuristic() { 9168 if (hasPasswordTransformationMethod()) { 9169 // passwords fields should be LTR 9170 return TextDirectionHeuristics.LTR; 9171 } 9172 9173 // Always need to resolve layout direction first 9174 final boolean defaultIsRtl = (getLayoutDirection() == LAYOUT_DIRECTION_RTL); 9175 9176 // Now, we can select the heuristic 9177 switch (getTextDirection()) { 9178 default: 9179 case TEXT_DIRECTION_FIRST_STRONG: 9180 return (defaultIsRtl ? TextDirectionHeuristics.FIRSTSTRONG_RTL : 9181 TextDirectionHeuristics.FIRSTSTRONG_LTR); 9182 case TEXT_DIRECTION_ANY_RTL: 9183 return TextDirectionHeuristics.ANYRTL_LTR; 9184 case TEXT_DIRECTION_LTR: 9185 return TextDirectionHeuristics.LTR; 9186 case TEXT_DIRECTION_RTL: 9187 return TextDirectionHeuristics.RTL; 9188 case TEXT_DIRECTION_LOCALE: 9189 return TextDirectionHeuristics.LOCALE; 9190 } 9191 } 9192 9193 /** 9194 * @hide 9195 */ 9196 @Override 9197 public void onResolveDrawables(int layoutDirection) { 9198 // No need to resolve twice 9199 if (mLastLayoutDirection == layoutDirection) { 9200 return; 9201 } 9202 mLastLayoutDirection = layoutDirection; 9203 9204 // Resolve drawables 9205 if (mDrawables != null) { 9206 mDrawables.resolveWithLayoutDirection(layoutDirection); 9207 } 9208 } 9209 9210 /** 9211 * @hide 9212 */ 9213 protected void resetResolvedDrawables() { 9214 super.resetResolvedDrawables(); 9215 mLastLayoutDirection = -1; 9216 } 9217 9218 /** 9219 * @hide 9220 */ 9221 protected void viewClicked(InputMethodManager imm) { 9222 if (imm != null) { 9223 imm.viewClicked(this); 9224 } 9225 } 9226 9227 /** 9228 * Deletes the range of text [start, end[. 9229 * @hide 9230 */ 9231 protected void deleteText_internal(int start, int end) { 9232 ((Editable) mText).delete(start, end); 9233 } 9234 9235 /** 9236 * Replaces the range of text [start, end[ by replacement text 9237 * @hide 9238 */ 9239 protected void replaceText_internal(int start, int end, CharSequence text) { 9240 ((Editable) mText).replace(start, end, text); 9241 } 9242 9243 /** 9244 * Sets a span on the specified range of text 9245 * @hide 9246 */ 9247 protected void setSpan_internal(Object span, int start, int end, int flags) { 9248 ((Editable) mText).setSpan(span, start, end, flags); 9249 } 9250 9251 /** 9252 * Moves the cursor to the specified offset position in text 9253 * @hide 9254 */ 9255 protected void setCursorPosition_internal(int start, int end) { 9256 Selection.setSelection(((Editable) mText), start, end); 9257 } 9258 9259 /** 9260 * An Editor should be created as soon as any of the editable-specific fields (grouped 9261 * inside the Editor object) is assigned to a non-default value. 9262 * This method will create the Editor if needed. 9263 * 9264 * A standard TextView (as well as buttons, checkboxes...) should not qualify and hence will 9265 * have a null Editor, unlike an EditText. Inconsistent in-between states will have an 9266 * Editor for backward compatibility, as soon as one of these fields is assigned. 9267 * 9268 * Also note that for performance reasons, the mEditor is created when needed, but not 9269 * reset when no more edit-specific fields are needed. 9270 */ 9271 private void createEditorIfNeeded() { 9272 if (mEditor == null) { 9273 mEditor = new Editor(this); 9274 } 9275 } 9276 9277 /** 9278 * @hide 9279 */ 9280 @Override 9281 public CharSequence getIterableTextForAccessibility() { 9282 return mText; 9283 } 9284 9285 private void ensureIterableTextForAccessibilitySelectable() { 9286 if (!(mText instanceof Spannable)) { 9287 setText(mText, BufferType.SPANNABLE); 9288 } 9289 } 9290 9291 /** 9292 * @hide 9293 */ 9294 @Override 9295 public TextSegmentIterator getIteratorForGranularity(int granularity) { 9296 switch (granularity) { 9297 case AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE: { 9298 Spannable text = (Spannable) getIterableTextForAccessibility(); 9299 if (!TextUtils.isEmpty(text) && getLayout() != null) { 9300 AccessibilityIterators.LineTextSegmentIterator iterator = 9301 AccessibilityIterators.LineTextSegmentIterator.getInstance(); 9302 iterator.initialize(text, getLayout()); 9303 return iterator; 9304 } 9305 } break; 9306 case AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE: { 9307 Spannable text = (Spannable) getIterableTextForAccessibility(); 9308 if (!TextUtils.isEmpty(text) && getLayout() != null) { 9309 AccessibilityIterators.PageTextSegmentIterator iterator = 9310 AccessibilityIterators.PageTextSegmentIterator.getInstance(); 9311 iterator.initialize(this); 9312 return iterator; 9313 } 9314 } break; 9315 } 9316 return super.getIteratorForGranularity(granularity); 9317 } 9318 9319 /** 9320 * @hide 9321 */ 9322 @Override 9323 public int getAccessibilitySelectionStart() { 9324 return getSelectionStart(); 9325 } 9326 9327 /** 9328 * @hide 9329 */ 9330 public boolean isAccessibilitySelectionExtendable() { 9331 return true; 9332 } 9333 9334 /** 9335 * @hide 9336 */ 9337 @Override 9338 public int getAccessibilitySelectionEnd() { 9339 return getSelectionEnd(); 9340 } 9341 9342 /** 9343 * @hide 9344 */ 9345 @Override 9346 public void setAccessibilitySelection(int start, int end) { 9347 if (getAccessibilitySelectionStart() == start 9348 && getAccessibilitySelectionEnd() == end) { 9349 return; 9350 } 9351 // Hide all selection controllers used for adjusting selection 9352 // since we are doing so explicitlty by other means and these 9353 // controllers interact with how selection behaves. 9354 if (mEditor != null) { 9355 mEditor.hideControllers(); 9356 } 9357 CharSequence text = getIterableTextForAccessibility(); 9358 if (Math.min(start, end) >= 0 && Math.max(start, end) <= text.length()) { 9359 Selection.setSelection((Spannable) text, start, end); 9360 } else { 9361 Selection.removeSelection((Spannable) text); 9362 } 9363 } 9364 9365 /** 9366 * User interface state that is stored by TextView for implementing 9367 * {@link View#onSaveInstanceState}. 9368 */ 9369 public static class SavedState extends BaseSavedState { 9370 int selStart; 9371 int selEnd; 9372 CharSequence text; 9373 boolean frozenWithFocus; 9374 CharSequence error; 9375 ParcelableParcel editorState; // Optional state from Editor. 9376 9377 SavedState(Parcelable superState) { 9378 super(superState); 9379 } 9380 9381 @Override 9382 public void writeToParcel(Parcel out, int flags) { 9383 super.writeToParcel(out, flags); 9384 out.writeInt(selStart); 9385 out.writeInt(selEnd); 9386 out.writeInt(frozenWithFocus ? 1 : 0); 9387 TextUtils.writeToParcel(text, out, flags); 9388 9389 if (error == null) { 9390 out.writeInt(0); 9391 } else { 9392 out.writeInt(1); 9393 TextUtils.writeToParcel(error, out, flags); 9394 } 9395 9396 if (editorState == null) { 9397 out.writeInt(0); 9398 } else { 9399 out.writeInt(1); 9400 editorState.writeToParcel(out, flags); 9401 } 9402 } 9403 9404 @Override 9405 public String toString() { 9406 String str = "TextView.SavedState{" 9407 + Integer.toHexString(System.identityHashCode(this)) 9408 + " start=" + selStart + " end=" + selEnd; 9409 if (text != null) { 9410 str += " text=" + text; 9411 } 9412 return str + "}"; 9413 } 9414 9415 @SuppressWarnings("hiding") 9416 public static final Parcelable.Creator<SavedState> CREATOR 9417 = new Parcelable.Creator<SavedState>() { 9418 public SavedState createFromParcel(Parcel in) { 9419 return new SavedState(in); 9420 } 9421 9422 public SavedState[] newArray(int size) { 9423 return new SavedState[size]; 9424 } 9425 }; 9426 9427 private SavedState(Parcel in) { 9428 super(in); 9429 selStart = in.readInt(); 9430 selEnd = in.readInt(); 9431 frozenWithFocus = (in.readInt() != 0); 9432 text = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 9433 9434 if (in.readInt() != 0) { 9435 error = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 9436 } 9437 9438 if (in.readInt() != 0) { 9439 editorState = ParcelableParcel.CREATOR.createFromParcel(in); 9440 } 9441 } 9442 } 9443 9444 private static class CharWrapper implements CharSequence, GetChars, GraphicsOperations { 9445 private char[] mChars; 9446 private int mStart, mLength; 9447 9448 public CharWrapper(char[] chars, int start, int len) { 9449 mChars = chars; 9450 mStart = start; 9451 mLength = len; 9452 } 9453 9454 /* package */ void set(char[] chars, int start, int len) { 9455 mChars = chars; 9456 mStart = start; 9457 mLength = len; 9458 } 9459 9460 public int length() { 9461 return mLength; 9462 } 9463 9464 public char charAt(int off) { 9465 return mChars[off + mStart]; 9466 } 9467 9468 @Override 9469 public String toString() { 9470 return new String(mChars, mStart, mLength); 9471 } 9472 9473 public CharSequence subSequence(int start, int end) { 9474 if (start < 0 || end < 0 || start > mLength || end > mLength) { 9475 throw new IndexOutOfBoundsException(start + ", " + end); 9476 } 9477 9478 return new String(mChars, start + mStart, end - start); 9479 } 9480 9481 public void getChars(int start, int end, char[] buf, int off) { 9482 if (start < 0 || end < 0 || start > mLength || end > mLength) { 9483 throw new IndexOutOfBoundsException(start + ", " + end); 9484 } 9485 9486 System.arraycopy(mChars, start + mStart, buf, off, end - start); 9487 } 9488 9489 public void drawText(Canvas c, int start, int end, 9490 float x, float y, Paint p) { 9491 c.drawText(mChars, start + mStart, end - start, x, y, p); 9492 } 9493 9494 public void drawTextRun(Canvas c, int start, int end, 9495 int contextStart, int contextEnd, float x, float y, boolean isRtl, Paint p) { 9496 int count = end - start; 9497 int contextCount = contextEnd - contextStart; 9498 c.drawTextRun(mChars, start + mStart, count, contextStart + mStart, 9499 contextCount, x, y, isRtl, p); 9500 } 9501 9502 public float measureText(int start, int end, Paint p) { 9503 return p.measureText(mChars, start + mStart, end - start); 9504 } 9505 9506 public int getTextWidths(int start, int end, float[] widths, Paint p) { 9507 return p.getTextWidths(mChars, start + mStart, end - start, widths); 9508 } 9509 9510 public float getTextRunAdvances(int start, int end, int contextStart, 9511 int contextEnd, boolean isRtl, float[] advances, int advancesIndex, 9512 Paint p) { 9513 int count = end - start; 9514 int contextCount = contextEnd - contextStart; 9515 return p.getTextRunAdvances(mChars, start + mStart, count, 9516 contextStart + mStart, contextCount, isRtl, advances, 9517 advancesIndex); 9518 } 9519 9520 public int getTextRunCursor(int contextStart, int contextEnd, int dir, 9521 int offset, int cursorOpt, Paint p) { 9522 int contextCount = contextEnd - contextStart; 9523 return p.getTextRunCursor(mChars, contextStart + mStart, 9524 contextCount, dir, offset + mStart, cursorOpt); 9525 } 9526 } 9527 9528 private static final class Marquee { 9529 // TODO: Add an option to configure this 9530 private static final float MARQUEE_DELTA_MAX = 0.07f; 9531 private static final int MARQUEE_DELAY = 1200; 9532 private static final int MARQUEE_RESTART_DELAY = 1200; 9533 private static final int MARQUEE_DP_PER_SECOND = 30; 9534 9535 private static final byte MARQUEE_STOPPED = 0x0; 9536 private static final byte MARQUEE_STARTING = 0x1; 9537 private static final byte MARQUEE_RUNNING = 0x2; 9538 9539 private final WeakReference<TextView> mView; 9540 private final Choreographer mChoreographer; 9541 9542 private byte mStatus = MARQUEE_STOPPED; 9543 private final float mPixelsPerSecond; 9544 private float mMaxScroll; 9545 private float mMaxFadeScroll; 9546 private float mGhostStart; 9547 private float mGhostOffset; 9548 private float mFadeStop; 9549 private int mRepeatLimit; 9550 9551 private float mScroll; 9552 private long mLastAnimationMs; 9553 9554 Marquee(TextView v) { 9555 final float density = v.getContext().getResources().getDisplayMetrics().density; 9556 mPixelsPerSecond = MARQUEE_DP_PER_SECOND * density; 9557 mView = new WeakReference<TextView>(v); 9558 mChoreographer = Choreographer.getInstance(); 9559 } 9560 9561 private Choreographer.FrameCallback mTickCallback = new Choreographer.FrameCallback() { 9562 @Override 9563 public void doFrame(long frameTimeNanos) { 9564 tick(); 9565 } 9566 }; 9567 9568 private Choreographer.FrameCallback mStartCallback = new Choreographer.FrameCallback() { 9569 @Override 9570 public void doFrame(long frameTimeNanos) { 9571 mStatus = MARQUEE_RUNNING; 9572 mLastAnimationMs = mChoreographer.getFrameTime(); 9573 tick(); 9574 } 9575 }; 9576 9577 private Choreographer.FrameCallback mRestartCallback = new Choreographer.FrameCallback() { 9578 @Override 9579 public void doFrame(long frameTimeNanos) { 9580 if (mStatus == MARQUEE_RUNNING) { 9581 if (mRepeatLimit >= 0) { 9582 mRepeatLimit--; 9583 } 9584 start(mRepeatLimit); 9585 } 9586 } 9587 }; 9588 9589 void tick() { 9590 if (mStatus != MARQUEE_RUNNING) { 9591 return; 9592 } 9593 9594 mChoreographer.removeFrameCallback(mTickCallback); 9595 9596 final TextView textView = mView.get(); 9597 if (textView != null && (textView.isFocused() || textView.isSelected())) { 9598 long currentMs = mChoreographer.getFrameTime(); 9599 long deltaMs = currentMs - mLastAnimationMs; 9600 mLastAnimationMs = currentMs; 9601 float deltaPx = deltaMs / 1000f * mPixelsPerSecond; 9602 mScroll += deltaPx; 9603 if (mScroll > mMaxScroll) { 9604 mScroll = mMaxScroll; 9605 mChoreographer.postFrameCallbackDelayed(mRestartCallback, MARQUEE_DELAY); 9606 } else { 9607 mChoreographer.postFrameCallback(mTickCallback); 9608 } 9609 textView.invalidate(); 9610 } 9611 } 9612 9613 void stop() { 9614 mStatus = MARQUEE_STOPPED; 9615 mChoreographer.removeFrameCallback(mStartCallback); 9616 mChoreographer.removeFrameCallback(mRestartCallback); 9617 mChoreographer.removeFrameCallback(mTickCallback); 9618 resetScroll(); 9619 } 9620 9621 private void resetScroll() { 9622 mScroll = 0.0f; 9623 final TextView textView = mView.get(); 9624 if (textView != null) textView.invalidate(); 9625 } 9626 9627 void start(int repeatLimit) { 9628 if (repeatLimit == 0) { 9629 stop(); 9630 return; 9631 } 9632 mRepeatLimit = repeatLimit; 9633 final TextView textView = mView.get(); 9634 if (textView != null && textView.mLayout != null) { 9635 mStatus = MARQUEE_STARTING; 9636 mScroll = 0.0f; 9637 final int textWidth = textView.getWidth() - textView.getCompoundPaddingLeft() - 9638 textView.getCompoundPaddingRight(); 9639 final float lineWidth = textView.mLayout.getLineWidth(0); 9640 final float gap = textWidth / 3.0f; 9641 mGhostStart = lineWidth - textWidth + gap; 9642 mMaxScroll = mGhostStart + textWidth; 9643 mGhostOffset = lineWidth + gap; 9644 mFadeStop = lineWidth + textWidth / 6.0f; 9645 mMaxFadeScroll = mGhostStart + lineWidth + lineWidth; 9646 9647 textView.invalidate(); 9648 mChoreographer.postFrameCallback(mStartCallback); 9649 } 9650 } 9651 9652 float getGhostOffset() { 9653 return mGhostOffset; 9654 } 9655 9656 float getScroll() { 9657 return mScroll; 9658 } 9659 9660 float getMaxFadeScroll() { 9661 return mMaxFadeScroll; 9662 } 9663 9664 boolean shouldDrawLeftFade() { 9665 return mScroll <= mFadeStop; 9666 } 9667 9668 boolean shouldDrawGhost() { 9669 return mStatus == MARQUEE_RUNNING && mScroll > mGhostStart; 9670 } 9671 9672 boolean isRunning() { 9673 return mStatus == MARQUEE_RUNNING; 9674 } 9675 9676 boolean isStopped() { 9677 return mStatus == MARQUEE_STOPPED; 9678 } 9679 } 9680 9681 private class ChangeWatcher implements TextWatcher, SpanWatcher { 9682 9683 private CharSequence mBeforeText; 9684 9685 public void beforeTextChanged(CharSequence buffer, int start, 9686 int before, int after) { 9687 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "beforeTextChanged start=" + start 9688 + " before=" + before + " after=" + after + ": " + buffer); 9689 9690 if (AccessibilityManager.getInstance(mContext).isEnabled() 9691 && ((!isPasswordInputType(getInputType()) && !hasPasswordTransformationMethod()) 9692 || shouldSpeakPasswordsForAccessibility())) { 9693 mBeforeText = buffer.toString(); 9694 } 9695 9696 TextView.this.sendBeforeTextChanged(buffer, start, before, after); 9697 } 9698 9699 public void onTextChanged(CharSequence buffer, int start, int before, int after) { 9700 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onTextChanged start=" + start 9701 + " before=" + before + " after=" + after + ": " + buffer); 9702 TextView.this.handleTextChanged(buffer, start, before, after); 9703 9704 if (AccessibilityManager.getInstance(mContext).isEnabled() && 9705 (isFocused() || isSelected() && isShown())) { 9706 sendAccessibilityEventTypeViewTextChanged(mBeforeText, start, before, after); 9707 mBeforeText = null; 9708 } 9709 } 9710 9711 public void afterTextChanged(Editable buffer) { 9712 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "afterTextChanged: " + buffer); 9713 TextView.this.sendAfterTextChanged(buffer); 9714 9715 if (MetaKeyKeyListener.getMetaState(buffer, MetaKeyKeyListener.META_SELECTING) != 0) { 9716 MetaKeyKeyListener.stopSelecting(TextView.this, buffer); 9717 } 9718 } 9719 9720 public void onSpanChanged(Spannable buf, Object what, int s, int e, int st, int en) { 9721 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanChanged s=" + s + " e=" + e 9722 + " st=" + st + " en=" + en + " what=" + what + ": " + buf); 9723 TextView.this.spanChange(buf, what, s, st, e, en); 9724 } 9725 9726 public void onSpanAdded(Spannable buf, Object what, int s, int e) { 9727 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanAdded s=" + s + " e=" + e 9728 + " what=" + what + ": " + buf); 9729 TextView.this.spanChange(buf, what, -1, s, -1, e); 9730 } 9731 9732 public void onSpanRemoved(Spannable buf, Object what, int s, int e) { 9733 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanRemoved s=" + s + " e=" + e 9734 + " what=" + what + ": " + buf); 9735 TextView.this.spanChange(buf, what, s, -1, e, -1); 9736 } 9737 } 9738} 9739