SuggestionStripLayoutHelper.java revision 4f8a8f125e329b55e49d31a98b5368113440c755
1653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka/* 2653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * Copyright (C) 2013 The Android Open Source Project 3653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * 4653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * Licensed under the Apache License, Version 2.0 (the "License"); 5653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * you may not use this file except in compliance with the License. 6653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * You may obtain a copy of the License at 7653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * 8653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * http://www.apache.org/licenses/LICENSE-2.0 9653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * 10653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * Unless required by applicable law or agreed to in writing, software 11653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * distributed under the License is distributed on an "AS IS" BASIS, 12653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * See the License for the specific language governing permissions and 14653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * limitations under the License. 15653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka */ 16653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 17653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokapackage com.android.inputmethod.latin.suggestions; 18653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 19653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.content.Context; 20653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.content.res.Resources; 21653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.content.res.TypedArray; 22653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.graphics.Bitmap; 23653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.graphics.Canvas; 24653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.graphics.Color; 25653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.graphics.Paint; 26a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaokaimport android.graphics.Paint.Align; 27653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.graphics.Rect; 28653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.graphics.Typeface; 29653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.graphics.drawable.BitmapDrawable; 30653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.graphics.drawable.Drawable; 31bcd30bf3e74c7c10d5b69a54cdf90c6b682a0747Tadashi G. Takaokaimport android.support.v4.view.ViewCompat; 32653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.text.Spannable; 33653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.text.SpannableString; 34653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.text.Spanned; 35653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.text.TextPaint; 36653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.text.TextUtils; 37653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.text.style.CharacterStyle; 38653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.text.style.StyleSpan; 39653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.text.style.UnderlineSpan; 40653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.util.AttributeSet; 41653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.view.Gravity; 42653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.view.View; 43a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaokaimport android.view.ViewGroup; 44653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.widget.LinearLayout; 45653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport android.widget.TextView; 46653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 478a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaokaimport com.android.inputmethod.compat.TextViewCompatUtils; 48653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport com.android.inputmethod.latin.LatinImeLogger; 49653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport com.android.inputmethod.latin.R; 50653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport com.android.inputmethod.latin.SuggestedWords; 51b03447e1af950888d901fccbd2cc3e3b4a11ef98Ken Wakasaimport com.android.inputmethod.latin.utils.AutoCorrectionUtils; 52e28eba5074664d5716b8e58b8d0a235746b261ebKen Wakasaimport com.android.inputmethod.latin.utils.ResourceUtils; 539b1a66843ddde552ea626a7b24c2c71ba23aa63aTadashi G. Takaokaimport com.android.inputmethod.latin.utils.SubtypeLocaleUtils; 54ccf4a310279b13bbf0b6aac76a0878178c1dfb7dTadashi G. Takaokaimport com.android.inputmethod.latin.utils.ViewLayoutUtils; 55653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 56653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokaimport java.util.ArrayList; 57653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 58653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaokafinal class SuggestionStripLayoutHelper { 59653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static final int DEFAULT_SUGGESTIONS_COUNT_IN_STRIP = 3; 60653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static final float DEFAULT_CENTER_SUGGESTION_PERCENTILE = 0.40f; 61653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static final int DEFAULT_MAX_MORE_SUGGESTIONS_ROW = 2; 62653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static final int PUNCTUATIONS_IN_STRIP = 5; 63653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static final float MIN_TEXT_XSCALE = 0.70f; 64653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 65653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka public final int mPadding; 66653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka public final int mDividerWidth; 67653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka public final int mSuggestionsStripHeight; 684f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka private final int mSuggestionsCountInStrip; 69653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka public final int mMoreSuggestionsRowHeight; 70653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private int mMaxMoreSuggestionsRow; 71653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka public final float mMinMoreSuggestionsWidth; 72653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka public final int mMoreSuggestionsBottomGap; 73a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka public boolean mMoreSuggestionsAvailable; 74653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 75a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka // The index of these {@link ArrayList} is the position in the suggestion strip. The indices 76a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka // increase towards the right for LTR scripts and the left for RTL scripts, starting with 0. 77a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka // The position of the most important suggestion is in {@link #mCenterPositionInStrip} 78500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka private final ArrayList<TextView> mWordViews; 79500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka private final ArrayList<View> mDividerViews; 80500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka private final ArrayList<TextView> mDebugInfoViews; 81653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 82653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private final int mColorValidTypedWord; 83653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private final int mColorTypedWord; 84653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private final int mColorAutoCorrect; 85653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private final int mColorSuggested; 86653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private final float mAlphaObsoleted; 87653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private final float mCenterSuggestionWeight; 88500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka private final int mCenterPositionInStrip; 89d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard private final int mTypedWordPositionWhenAutocorrect; 90653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private final Drawable mMoreSuggestionsHint; 91653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static final String MORE_SUGGESTIONS_HINT = "\u2026"; 92653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static final String LEFTWARDS_ARROW = "\u2190"; 93bcd30bf3e74c7c10d5b69a54cdf90c6b682a0747Tadashi G. Takaoka private static final String RIGHTWARDS_ARROW = "\u2192"; 94653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 95653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static final CharacterStyle BOLD_SPAN = new StyleSpan(Typeface.BOLD); 96653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static final CharacterStyle UNDERLINE_SPAN = new UnderlineSpan(); 97a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka 98a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka private final int mSuggestionStripOption; 99a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka // These constants are the flag values of 100a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka // {@link R.styleable#SuggestionStripView_suggestionStripOption} attribute. 101653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static final int AUTO_CORRECT_BOLD = 0x01; 102653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static final int AUTO_CORRECT_UNDERLINE = 0x02; 103653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static final int VALID_TYPED_WORD_BOLD = 0x04; 104653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 105653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka public SuggestionStripLayoutHelper(final Context context, final AttributeSet attrs, 106500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka final int defStyle, final ArrayList<TextView> wordViews, 107500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka final ArrayList<View> dividerViews, final ArrayList<TextView> debugInfoViews) { 108500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka mWordViews = wordViews; 109500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka mDividerViews = dividerViews; 110500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka mDebugInfoViews = debugInfoViews; 111500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka 112500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka final TextView wordView = wordViews.get(0); 113500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka final View dividerView = dividerViews.get(0); 114500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka mPadding = wordView.getCompoundPaddingLeft() + wordView.getCompoundPaddingRight(); 115500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka dividerView.measure( 116500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT); 117500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka mDividerWidth = dividerView.getMeasuredWidth(); 118500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka 119500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka final Resources res = wordView.getResources(); 1202fa3693c264a4c150ac307d9bb7f6f8f18cc4ffcKen Wakasa mSuggestionsStripHeight = res.getDimensionPixelSize( 1212fa3693c264a4c150ac307d9bb7f6f8f18cc4ffcKen Wakasa R.dimen.config_suggestions_strip_height); 122653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 123653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final TypedArray a = context.obtainStyledAttributes(attrs, 12416ed1868a16455ef9f5485696309d518f80aea1cTadashi G. Takaoka R.styleable.SuggestionStripView, defStyle, R.style.SuggestionStripView); 125653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka mSuggestionStripOption = a.getInt( 126653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka R.styleable.SuggestionStripView_suggestionStripOption, 0); 127653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka mAlphaObsoleted = ResourceUtils.getFraction(a, 1281f39d36458d09bfdfcf05ee0fcf7fc6116582099Tadashi G. Takaoka R.styleable.SuggestionStripView_alphaObsoleted, 1.0f); 1291f39d36458d09bfdfcf05ee0fcf7fc6116582099Tadashi G. Takaoka mColorValidTypedWord = a.getColor(R.styleable.SuggestionStripView_colorValidTypedWord, 0); 1301f39d36458d09bfdfcf05ee0fcf7fc6116582099Tadashi G. Takaoka mColorTypedWord = a.getColor(R.styleable.SuggestionStripView_colorTypedWord, 0); 1311f39d36458d09bfdfcf05ee0fcf7fc6116582099Tadashi G. Takaoka mColorAutoCorrect = a.getColor(R.styleable.SuggestionStripView_colorAutoCorrect, 0); 1321f39d36458d09bfdfcf05ee0fcf7fc6116582099Tadashi G. Takaoka mColorSuggested = a.getColor(R.styleable.SuggestionStripView_colorSuggested, 0); 133653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka mSuggestionsCountInStrip = a.getInt( 134653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka R.styleable.SuggestionStripView_suggestionsCountInStrip, 135653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka DEFAULT_SUGGESTIONS_COUNT_IN_STRIP); 136653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka mCenterSuggestionWeight = ResourceUtils.getFraction(a, 137653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka R.styleable.SuggestionStripView_centerSuggestionPercentile, 138653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka DEFAULT_CENTER_SUGGESTION_PERCENTILE); 139653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka mMaxMoreSuggestionsRow = a.getInt( 140653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka R.styleable.SuggestionStripView_maxMoreSuggestionsRow, 141653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka DEFAULT_MAX_MORE_SUGGESTIONS_ROW); 142653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka mMinMoreSuggestionsWidth = ResourceUtils.getFraction(a, 143653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka R.styleable.SuggestionStripView_minMoreSuggestionsWidth, 1.0f); 144653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka a.recycle(); 145653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 146653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka mMoreSuggestionsHint = getMoreSuggestionsHint(res, 1472fa3693c264a4c150ac307d9bb7f6f8f18cc4ffcKen Wakasa res.getDimension(R.dimen.config_more_suggestions_hint_text_size), 1482fa3693c264a4c150ac307d9bb7f6f8f18cc4ffcKen Wakasa mColorAutoCorrect); 149500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka mCenterPositionInStrip = mSuggestionsCountInStrip / 2; 150d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard // Assuming there are at least three suggestions. Also, note that the suggestions are 151d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard // laid out according to script direction, so this is left of the center for LTR scripts 152d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard // and right of the center for RTL scripts. 153d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard mTypedWordPositionWhenAutocorrect = mCenterPositionInStrip - 1; 154653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka mMoreSuggestionsBottomGap = res.getDimensionPixelOffset( 1552fa3693c264a4c150ac307d9bb7f6f8f18cc4ffcKen Wakasa R.dimen.config_more_suggestions_bottom_gap); 1562fa3693c264a4c150ac307d9bb7f6f8f18cc4ffcKen Wakasa mMoreSuggestionsRowHeight = res.getDimensionPixelSize( 1572fa3693c264a4c150ac307d9bb7f6f8f18cc4ffcKen Wakasa R.dimen.config_more_suggestions_row_height); 158653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 159653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 160653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka public int getMaxMoreSuggestionsRow() { 161653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return mMaxMoreSuggestionsRow; 162653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 163653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 164c160a3932f74fea72c5347798c001d4ae961864cKen Wakasa private int getMoreSuggestionsHeight() { 165c160a3932f74fea72c5347798c001d4ae961864cKen Wakasa return mMaxMoreSuggestionsRow * mMoreSuggestionsRowHeight + mMoreSuggestionsBottomGap; 166c160a3932f74fea72c5347798c001d4ae961864cKen Wakasa } 167c160a3932f74fea72c5347798c001d4ae961864cKen Wakasa 168c160a3932f74fea72c5347798c001d4ae961864cKen Wakasa public int setMoreSuggestionsHeight(final int remainingHeight) { 169c160a3932f74fea72c5347798c001d4ae961864cKen Wakasa final int currentHeight = getMoreSuggestionsHeight(); 170c160a3932f74fea72c5347798c001d4ae961864cKen Wakasa if (currentHeight <= remainingHeight) { 171c160a3932f74fea72c5347798c001d4ae961864cKen Wakasa return currentHeight; 172c160a3932f74fea72c5347798c001d4ae961864cKen Wakasa } 173c160a3932f74fea72c5347798c001d4ae961864cKen Wakasa 174653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka mMaxMoreSuggestionsRow = (remainingHeight - mMoreSuggestionsBottomGap) 175653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka / mMoreSuggestionsRowHeight; 176c160a3932f74fea72c5347798c001d4ae961864cKen Wakasa final int newHeight = getMoreSuggestionsHeight(); 177c160a3932f74fea72c5347798c001d4ae961864cKen Wakasa return newHeight; 178653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 179653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 180653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static Drawable getMoreSuggestionsHint(final Resources res, final float textSize, 181653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int color) { 182653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final Paint paint = new Paint(); 183653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka paint.setAntiAlias(true); 184653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka paint.setTextAlign(Align.CENTER); 185653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka paint.setTextSize(textSize); 186653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka paint.setColor(color); 187653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final Rect bounds = new Rect(); 188653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka paint.getTextBounds(MORE_SUGGESTIONS_HINT, 0, MORE_SUGGESTIONS_HINT.length(), bounds); 189653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int width = Math.round(bounds.width() + 0.5f); 190653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int height = Math.round(bounds.height() + 0.5f); 191653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final Bitmap buffer = Bitmap.createBitmap(width, (height * 3 / 2), Bitmap.Config.ARGB_8888); 192653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final Canvas canvas = new Canvas(buffer); 193653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka canvas.drawText(MORE_SUGGESTIONS_HINT, width / 2, height, paint); 194653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return new BitmapDrawable(res, buffer); 195653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 196653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 197a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka private CharSequence getStyledSuggestedWord(final SuggestedWords suggestedWords, 198653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int indexInSuggestedWords) { 19972ac390ce64fe2825ac59029402e5f372303c8c3Tadashi G. Takaoka if (indexInSuggestedWords >= suggestedWords.size()) { 20072ac390ce64fe2825ac59029402e5f372303c8c3Tadashi G. Takaoka return null; 20172ac390ce64fe2825ac59029402e5f372303c8c3Tadashi G. Takaoka } 202653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final String word = suggestedWords.getWord(indexInSuggestedWords); 203653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final boolean isAutoCorrect = indexInSuggestedWords == 1 20430a72da42c479adb4cedff5d7a40846a3103ac9bJean Chalard && suggestedWords.mWillAutoCorrect; 205653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final boolean isTypedWordValid = indexInSuggestedWords == 0 206653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka && suggestedWords.mTypedWordValid; 207500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka if (!isAutoCorrect && !isTypedWordValid) { 208653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return word; 209500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka } 210653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 211653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int len = word.length(); 212653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final Spannable spannedWord = new SpannableString(word); 213653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int option = mSuggestionStripOption; 214653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka if ((isAutoCorrect && (option & AUTO_CORRECT_BOLD) != 0) 215653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka || (isTypedWordValid && (option & VALID_TYPED_WORD_BOLD) != 0)) { 216653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka spannedWord.setSpan(BOLD_SPAN, 0, len, Spanned.SPAN_INCLUSIVE_EXCLUSIVE); 217653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 218653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka if (isAutoCorrect && (option & AUTO_CORRECT_UNDERLINE) != 0) { 219653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka spannedWord.setSpan(UNDERLINE_SPAN, 0, len, Spanned.SPAN_INCLUSIVE_EXCLUSIVE); 220653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 221653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return spannedWord; 222653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 223653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 224d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard private int getPositionInSuggestionStrip(final int indexInSuggestedWords, 225653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final SuggestedWords suggestedWords) { 226d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard final int indexToDisplayMostImportantSuggestion; 227d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard final int indexToDisplaySecondMostImportantSuggestion; 22830a72da42c479adb4cedff5d7a40846a3103ac9bJean Chalard if (suggestedWords.mWillAutoCorrect) { 229d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard indexToDisplayMostImportantSuggestion = SuggestedWords.INDEX_OF_AUTO_CORRECTION; 230d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard indexToDisplaySecondMostImportantSuggestion = SuggestedWords.INDEX_OF_TYPED_WORD; 231d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard } else { 232d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard indexToDisplayMostImportantSuggestion = SuggestedWords.INDEX_OF_TYPED_WORD; 233d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard indexToDisplaySecondMostImportantSuggestion = SuggestedWords.INDEX_OF_AUTO_CORRECTION; 234653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 235d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard if (indexInSuggestedWords == indexToDisplayMostImportantSuggestion) { 236500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka return mCenterPositionInStrip; 237500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka } 238d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard if (indexInSuggestedWords == indexToDisplaySecondMostImportantSuggestion) { 239d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard return mTypedWordPositionWhenAutocorrect; 240d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard } 241d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard // If neither of those, the order in the suggestion strip is the same as in SuggestedWords. 242d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard return indexInSuggestedWords; 243653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 244653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 245d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard private int getSuggestionTextColor(final int indexInSuggestedWords, 246653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final SuggestedWords suggestedWords) { 247d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard final int positionInStrip = 248d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard getPositionInSuggestionStrip(indexInSuggestedWords, suggestedWords); 249653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka // TODO: Need to revisit this logic with bigram suggestions 250a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka final boolean isSuggested = (indexInSuggestedWords != SuggestedWords.INDEX_OF_TYPED_WORD); 251653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 252653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int color; 25330a72da42c479adb4cedff5d7a40846a3103ac9bJean Chalard if (positionInStrip == mCenterPositionInStrip && suggestedWords.mWillAutoCorrect) { 254653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka color = mColorAutoCorrect; 255500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka } else if (positionInStrip == mCenterPositionInStrip && suggestedWords.mTypedWordValid) { 256653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka color = mColorValidTypedWord; 257653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } else if (isSuggested) { 258653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka color = mColorSuggested; 259653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } else { 260653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka color = mColorTypedWord; 261653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 262653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka if (LatinImeLogger.sDBG && suggestedWords.size() > 1) { 263653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka // If we auto-correct, then the autocorrection is in slot 0 and the typed word 264653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka // is in slot 1. 265500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka if (positionInStrip == mCenterPositionInStrip 266b03447e1af950888d901fccbd2cc3e3b4a11ef98Ken Wakasa && AutoCorrectionUtils.shouldBlockAutoCorrectionBySafetyNet( 267a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka suggestedWords.getWord(SuggestedWords.INDEX_OF_AUTO_CORRECTION), 268a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka suggestedWords.getWord(SuggestedWords.INDEX_OF_TYPED_WORD))) { 269653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return 0xFFFF0000; 270653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 271653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 272653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 273653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka if (suggestedWords.mIsObsoleteSuggestions && isSuggested) { 274653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return applyAlpha(color, mAlphaObsoleted); 275653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 276500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka return color; 277653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 278653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 279653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static int applyAlpha(final int color, final float alpha) { 280653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int newAlpha = (int)(Color.alpha(color) * alpha); 281653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return Color.argb(newAlpha, Color.red(color), Color.green(color), Color.blue(color)); 282653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 283653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 284500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka private static void addDivider(final ViewGroup stripView, final View dividerView) { 285500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka stripView.addView(dividerView); 286653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final LinearLayout.LayoutParams params = 287500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka (LinearLayout.LayoutParams)dividerView.getLayoutParams(); 288653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka params.gravity = Gravity.CENTER; 289653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 290653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 2914f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka /** 2924f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka * Layout suggestions to the suggestions strip. And returns the number of suggestions displayed 2934f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka * in the suggestions strip. 2944f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka * 2954f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka * @param suggestedWords suggestions to be shown in the suggestions strip. 2964f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka * @param stripView the suggestions strip view. 2974f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka * @param placerView the view where the debug info will be placed. 2984f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka * @return the number of suggestions displayed in the suggestions strip 2994f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka */ 3004f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka public int layoutAndReturnSuggestionCountInStrip(final SuggestedWords suggestedWords, 3014f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka final ViewGroup stripView, final ViewGroup placerView) { 302653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka if (suggestedWords.mIsPunctuationSuggestions) { 3034f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka return layoutPunctuationSuggestionsAndReturnSuggestionCountInStrip( 3044f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka suggestedWords, stripView); 305653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 306653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 3074f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka setupWordViewsTextAndColor(suggestedWords, mSuggestionsCountInStrip); 308043273b00fb0f42761a38eb53c9911ef022dd5aeTadashi G. Takaoka final TextView centerWordView = mWordViews.get(mCenterPositionInStrip); 309c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard final int availableStripWidth = placerView.getWidth() 310c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard - placerView.getPaddingRight() - placerView.getPaddingLeft(); 311c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard final int centerWidth = getSuggestionWidth(mCenterPositionInStrip, availableStripWidth); 3124f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka final int countInStrip; 3134f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka if (suggestedWords.size() == 1 || getTextScaleX(centerWordView.getText(), centerWidth, 3144f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka centerWordView.getPaint()) < MIN_TEXT_XSCALE) { 315043273b00fb0f42761a38eb53c9911ef022dd5aeTadashi G. Takaoka // Layout only the most relevant suggested word at the center of the suggestion strip 316043273b00fb0f42761a38eb53c9911ef022dd5aeTadashi G. Takaoka // by consolidating all slots in the strip. 3174f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka countInStrip = 1; 3184f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka mMoreSuggestionsAvailable = (suggestedWords.size() > countInStrip); 319c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard layoutWord(mCenterPositionInStrip, availableStripWidth - mPadding); 320043273b00fb0f42761a38eb53c9911ef022dd5aeTadashi G. Takaoka stripView.addView(centerWordView); 321043273b00fb0f42761a38eb53c9911ef022dd5aeTadashi G. Takaoka setLayoutWeight(centerWordView, 1.0f, ViewGroup.LayoutParams.MATCH_PARENT); 322043273b00fb0f42761a38eb53c9911ef022dd5aeTadashi G. Takaoka if (SuggestionStripView.DBG) { 323c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard layoutDebugInfo(mCenterPositionInStrip, placerView, availableStripWidth); 324043273b00fb0f42761a38eb53c9911ef022dd5aeTadashi G. Takaoka } 3254f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka } else { 3264f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka countInStrip = mSuggestionsCountInStrip; 3274f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka mMoreSuggestionsAvailable = (suggestedWords.size() > countInStrip); 3284f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka int x = 0; 3294f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka for (int positionInStrip = 0; positionInStrip < countInStrip; positionInStrip++) { 3304f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka if (positionInStrip != 0) { 3314f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka final View divider = mDividerViews.get(positionInStrip); 3324f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka // Add divider if this isn't the left most suggestion in suggestions strip. 3334f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka addDivider(stripView, divider); 3344f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka x += divider.getMeasuredWidth(); 3354f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka } 3364f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka 3374f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka final int width = getSuggestionWidth(positionInStrip, availableStripWidth); 3384f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka final TextView wordView = layoutWord(positionInStrip, width); 3394f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka stripView.addView(wordView); 3404f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka setLayoutWeight(wordView, getSuggestionWeight(positionInStrip), 3414f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka ViewGroup.LayoutParams.MATCH_PARENT); 3424f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka x += wordView.getMeasuredWidth(); 3434f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka 3444f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka if (SuggestionStripView.DBG) { 3454f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka layoutDebugInfo(positionInStrip, placerView, x); 3464f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka } 347653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 348653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 3494f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka return countInStrip; 350653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 351653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 352653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka /** 353a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka * Format appropriately the suggested word in {@link #mWordViews} specified by 354a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka * <code>positionInStrip</code>. When the suggested word doesn't exist, the corresponding 355a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka * {@link TextView} will be disabled and never respond to user interaction. The suggested word 356a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka * may be shrunk or ellipsized to fit in the specified width. 357653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * 358500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka * The <code>positionInStrip</code> argument is the index in the suggestion strip. The indices 359653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * increase towards the right for LTR scripts and the left for RTL scripts, starting with 0. 360a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka * The position of the most important suggestion is in {@link #mCenterPositionInStrip}. This 361653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * usually doesn't match the index in <code>suggedtedWords</code> -- see 362d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard * {@link #getPositionInSuggestionStrip(int,SuggestedWords)}. 363653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * 364a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka * @param positionInStrip the position in the suggestion strip. 365653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * @param width the maximum width for layout in pixels. 366653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka * @return the {@link TextView} containing the suggested word appropriately formatted. 367653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka */ 368a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka private TextView layoutWord(final int positionInStrip, final int width) { 369a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka final TextView wordView = mWordViews.get(positionInStrip); 370a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka final CharSequence word = wordView.getText(); 371500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka if (positionInStrip == mCenterPositionInStrip && mMoreSuggestionsAvailable) { 372653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka // TODO: This "more suggestions hint" should have a nicely designed icon. 373500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka wordView.setCompoundDrawablesWithIntrinsicBounds( 374653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka null, null, null, mMoreSuggestionsHint); 375653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka // HACK: Align with other TextViews that have no compound drawables. 376500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka wordView.setCompoundDrawablePadding(-mMoreSuggestionsHint.getIntrinsicHeight()); 377653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } else { 378500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka wordView.setCompoundDrawablesWithIntrinsicBounds(null, null, null, null); 379653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 380653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 381653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka // Disable this suggestion if the suggestion is null or empty. 382500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka wordView.setEnabled(!TextUtils.isEmpty(word)); 383500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka final CharSequence text = getEllipsizedText(word, width, wordView.getPaint()); 384c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard final float scaleX = getTextScaleX(word, width, wordView.getPaint()); 385500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka wordView.setText(text); // TextView.setText() resets text scale x to 1.0. 386c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard wordView.setTextScaleX(Math.max(scaleX, MIN_TEXT_XSCALE)); 387500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka return wordView; 388653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 389653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 390a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka private void layoutDebugInfo(final int positionInStrip, final ViewGroup placerView, 391a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka final int x) { 392a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka final TextView debugInfoView = mDebugInfoViews.get(positionInStrip); 393a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka final CharSequence debugInfo = debugInfoView.getText(); 394653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka if (debugInfo == null) { 395653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return; 396653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 397500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka placerView.addView(debugInfoView); 398500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka debugInfoView.measure( 399500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); 400500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka final int infoWidth = debugInfoView.getMeasuredWidth(); 401500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka final int y = debugInfoView.getMeasuredHeight(); 402653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka ViewLayoutUtils.placeViewAt( 403500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka debugInfoView, x - infoWidth, y, infoWidth, debugInfoView.getMeasuredHeight()); 404653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 405653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 406500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka private int getSuggestionWidth(final int positionInStrip, final int maxWidth) { 407653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int paddings = mPadding * mSuggestionsCountInStrip; 408653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int dividers = mDividerWidth * (mSuggestionsCountInStrip - 1); 409653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int availableWidth = maxWidth - paddings - dividers; 410500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka return (int)(availableWidth * getSuggestionWeight(positionInStrip)); 411653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 412653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 413500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka private float getSuggestionWeight(final int positionInStrip) { 414500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka if (positionInStrip == mCenterPositionInStrip) { 415653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return mCenterSuggestionWeight; 416653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 417500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka // TODO: Revisit this for cases of 5 or more suggestions 418500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka return (1.0f - mCenterSuggestionWeight) / (mSuggestionsCountInStrip - 1); 419653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 420653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 421a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka private void setupWordViewsTextAndColor(final SuggestedWords suggestedWords, 422a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka final int countInStrip) { 423d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard // Clear all suggestions first 424d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard for (int positionInStrip = 0; positionInStrip < countInStrip; ++positionInStrip) { 425d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard mWordViews.get(positionInStrip).setText(null); 426d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard // Make this inactive for touches in {@link #layoutWord(int,int)}. 427d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard if (SuggestionStripView.DBG) { 428d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard mDebugInfoViews.get(positionInStrip).setText(null); 429d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard } 430d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard } 431653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int count = Math.min(suggestedWords.size(), countInStrip); 432d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard for (int indexInSuggestedWords = 0; indexInSuggestedWords < count; 433d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard indexInSuggestedWords++) { 434d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard final int positionInStrip = 435d7d5ff1f99f103438290f3045df185c502c4b60bJean Chalard getPositionInSuggestionStrip(indexInSuggestedWords, suggestedWords); 436a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka final TextView wordView = mWordViews.get(positionInStrip); 437a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka // {@link TextView#getTag()} is used to get the index in suggestedWords at 438a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka // {@link SuggestionStripView#onClick(View)}. 439a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka wordView.setTag(indexInSuggestedWords); 440a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka wordView.setText(getStyledSuggestedWord(suggestedWords, indexInSuggestedWords)); 441a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka wordView.setTextColor(getSuggestionTextColor(positionInStrip, suggestedWords)); 442a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka if (SuggestionStripView.DBG) { 443a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka mDebugInfoViews.get(positionInStrip).setText( 4444be6198cb73cc24e10834153c4e049644ed187e3Tadashi G. Takaoka suggestedWords.getDebugString(indexInSuggestedWords)); 445a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka } 446653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 447653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 448653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 4494f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka private int layoutPunctuationSuggestionsAndReturnSuggestionCountInStrip( 4504f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka final SuggestedWords suggestedWords, final ViewGroup stripView) { 451653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int countInStrip = Math.min(suggestedWords.size(), PUNCTUATIONS_IN_STRIP); 452a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka for (int positionInStrip = 0; positionInStrip < countInStrip; positionInStrip++) { 453a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka if (positionInStrip != 0) { 454653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka // Add divider if this isn't the left most suggestion in suggestions strip. 455a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka addDivider(stripView, mDividerViews.get(positionInStrip)); 456653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 457653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 458a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka final TextView wordView = mWordViews.get(positionInStrip); 459a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka wordView.setEnabled(true); 460a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka wordView.setTextColor(mColorAutoCorrect); 4619b570b5e62581f41c40c4558d95c77ad5896934cTadashi G. Takaoka // {@link TextView#getTag()} is used to get the index in suggestedWords at 4629b570b5e62581f41c40c4558d95c77ad5896934cTadashi G. Takaoka // {@link SuggestionStripView#onClick(View)}. 4639b570b5e62581f41c40c4558d95c77ad5896934cTadashi G. Takaoka wordView.setTag(positionInStrip); 4649b570b5e62581f41c40c4558d95c77ad5896934cTadashi G. Takaoka wordView.setText(suggestedWords.getWord(positionInStrip)); 465a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka wordView.setTextScaleX(1.0f); 466a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka wordView.setCompoundDrawables(null, null, null, null); 467a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka stripView.addView(wordView); 468a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka setLayoutWeight(wordView, 1.0f, mSuggestionsStripHeight); 469653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 470a0c3e02d7168dd4cee4cad51491537dadb0362ccTadashi G. Takaoka mMoreSuggestionsAvailable = (suggestedWords.size() > countInStrip); 4714f8a8f125e329b55e49d31a98b5368113440c755Tadashi G. Takaoka return countInStrip; 472653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 473653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 474148dedbc5dfa22d6db30b28ae9ede139206af429Tadashi G. Takaoka public void layoutAddToDictionaryHint(final String word, final ViewGroup addToDictionaryStrip, 4759b1a66843ddde552ea626a7b24c2c71ba23aa63aTadashi G. Takaoka final int stripWidth) { 476653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int width = stripWidth - mDividerWidth - mPadding * 2; 477653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 478148dedbc5dfa22d6db30b28ae9ede139206af429Tadashi G. Takaoka final TextView wordView = (TextView)addToDictionaryStrip.findViewById(R.id.word_to_save); 479653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka wordView.setTextColor(mColorTypedWord); 480653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int wordWidth = (int)(width * mCenterSuggestionWeight); 481148dedbc5dfa22d6db30b28ae9ede139206af429Tadashi G. Takaoka final CharSequence wordToSave = getEllipsizedText(word, wordWidth, wordView.getPaint()); 482653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final float wordScaleX = wordView.getTextScaleX(); 483148dedbc5dfa22d6db30b28ae9ede139206af429Tadashi G. Takaoka wordView.setText(wordToSave); 484653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka wordView.setTextScaleX(wordScaleX); 485653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka setLayoutWeight(wordView, mCenterSuggestionWeight, ViewGroup.LayoutParams.MATCH_PARENT); 486653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 487148dedbc5dfa22d6db30b28ae9ede139206af429Tadashi G. Takaoka final TextView hintView = (TextView)addToDictionaryStrip.findViewById( 488148dedbc5dfa22d6db30b28ae9ede139206af429Tadashi G. Takaoka R.id.hint_add_to_dictionary); 489653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka hintView.setTextColor(mColorAutoCorrect); 490bcd30bf3e74c7c10d5b69a54cdf90c6b682a0747Tadashi G. Takaoka final boolean isRtlLanguage = (ViewCompat.getLayoutDirection(addToDictionaryStrip) 491bcd30bf3e74c7c10d5b69a54cdf90c6b682a0747Tadashi G. Takaoka == ViewCompat.LAYOUT_DIRECTION_RTL); 4929b1a66843ddde552ea626a7b24c2c71ba23aa63aTadashi G. Takaoka final String arrow = isRtlLanguage ? RIGHTWARDS_ARROW : LEFTWARDS_ARROW; 4939b1a66843ddde552ea626a7b24c2c71ba23aa63aTadashi G. Takaoka final Resources res = addToDictionaryStrip.getResources(); 4949b1a66843ddde552ea626a7b24c2c71ba23aa63aTadashi G. Takaoka final boolean isRtlSystem = SubtypeLocaleUtils.isRtlLanguage(res.getConfiguration().locale); 4959b1a66843ddde552ea626a7b24c2c71ba23aa63aTadashi G. Takaoka final CharSequence hintText = res.getText(R.string.hint_add_to_dictionary); 4969b1a66843ddde552ea626a7b24c2c71ba23aa63aTadashi G. Takaoka final String hintWithArrow = (isRtlLanguage == isRtlSystem) 4979b1a66843ddde552ea626a7b24c2c71ba23aa63aTadashi G. Takaoka ? (arrow + hintText) : (hintText + arrow); 498148dedbc5dfa22d6db30b28ae9ede139206af429Tadashi G. Takaoka final int hintWidth = width - wordWidth; 4999b1a66843ddde552ea626a7b24c2c71ba23aa63aTadashi G. Takaoka hintView.setTextScaleX(1.0f); // Reset textScaleX. 500148dedbc5dfa22d6db30b28ae9ede139206af429Tadashi G. Takaoka final float hintScaleX = getTextScaleX(hintWithArrow, hintWidth, hintView.getPaint()); 501148dedbc5dfa22d6db30b28ae9ede139206af429Tadashi G. Takaoka hintView.setText(hintWithArrow); 502653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka hintView.setTextScaleX(hintScaleX); 503653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka setLayoutWeight( 504653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka hintView, 1.0f - mCenterSuggestionWeight, ViewGroup.LayoutParams.MATCH_PARENT); 505653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 506653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 5078a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaoka public void layoutImportantNotice(final View importantNoticeStrip, final int stripWidth) { 5088a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaoka final Resources res = importantNoticeStrip.getResources(); 5098a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaoka final Drawable infoIcon = res.getDrawable(R.drawable.sym_keyboard_info_holo_dark); 5108a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaoka final Drawable moreIcon = res.getDrawable(R.drawable.sym_keyboard_more_holo_dark); 5118a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaoka final int width = stripWidth - infoIcon.getIntrinsicWidth() - moreIcon.getIntrinsicWidth(); 5128a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaoka final TextView titleView = (TextView)importantNoticeStrip.findViewById( 5138a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaoka R.id.important_notice_title); 5148a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaoka titleView.setTextColor(mColorAutoCorrect); 5158a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaoka TextViewCompatUtils.setCompoundDrawablesRelativeWithIntrinsicBounds( 5168a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaoka titleView, infoIcon, null, moreIcon, null); 5179706f9a2f468765734a904d296a9e9e813220d15Tadashi G. Takaoka final CharSequence importantNoticeTitle = titleView.getText(); 5188a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaoka titleView.setTextScaleX(1.0f); // Reset textScaleX. 5198dda9e480b6519ca57565c8aa507e14bff739b60Tadashi G. Takaoka final float titleScaleX = getTextScaleX( 5208dda9e480b6519ca57565c8aa507e14bff739b60Tadashi G. Takaoka importantNoticeTitle, width, titleView.getPaint()); 5218dda9e480b6519ca57565c8aa507e14bff739b60Tadashi G. Takaoka titleView.setTextScaleX(titleScaleX); 5228a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaoka } 5238a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaoka 5248a296e43c903a3377f28943ba4a59082ae7fe60aTadashi G. Takaoka static void setLayoutWeight(final View v, final float weight, final int height) { 525653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final ViewGroup.LayoutParams lp = v.getLayoutParams(); 526653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka if (lp instanceof LinearLayout.LayoutParams) { 527653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final LinearLayout.LayoutParams llp = (LinearLayout.LayoutParams)lp; 528653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka llp.weight = weight; 529653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka llp.width = 0; 530653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka llp.height = height; 531653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 532653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 533653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 534653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static float getTextScaleX(final CharSequence text, final int maxWidth, 535653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final TextPaint paint) { 536653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka paint.setTextScaleX(1.0f); 537653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int width = getTextWidth(text, paint); 5388dda9e480b6519ca57565c8aa507e14bff739b60Tadashi G. Takaoka if (width <= maxWidth || maxWidth <= 0) { 539653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return 1.0f; 540653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 541653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return maxWidth / (float)width; 542653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 543653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 544653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static CharSequence getEllipsizedText(final CharSequence text, final int maxWidth, 545653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final TextPaint paint) { 546500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka if (text == null) { 547500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka return null; 548653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 549500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka final float scaleX = getTextScaleX(text, maxWidth, paint); 550653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka if (scaleX >= MIN_TEXT_XSCALE) { 551653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka paint.setTextScaleX(scaleX); 552653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return text; 553653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 554653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 555653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka // Note that TextUtils.ellipsize() use text-x-scale as 1.0 if ellipsize is needed. To 556653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka // get squeezed and ellipsized text, passes enlarged width (maxWidth / MIN_TEXT_XSCALE). 557c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard final float upscaledWidth = maxWidth / MIN_TEXT_XSCALE; 558c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard CharSequence ellipsized = TextUtils.ellipsize( 559c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard text, paint, upscaledWidth, TextUtils.TruncateAt.MIDDLE); 560c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard // For an unknown reason, ellipsized seems to return a text that does indeed fit inside the 561c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard // passed width according to paint.measureText, but not according to paint.getTextWidths. 562c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard // But when rendered, the text seems to actually take up as many pixels as returned by 563c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard // paint.getTextWidths, hence problem. 564c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard // To save this case, we compare the measured size of the new text, and if it's too much, 565c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard // try it again removing the difference. This may still give a text too long by one or 566c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard // two pixels so we take an additional 2 pixels cushion and call it a day. 567c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard // TODO: figure out why getTextWidths and measureText don't agree with each other, and 568c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard // remove the following code. 569c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard final float ellipsizedTextWidth = getTextWidth(ellipsized, paint); 570c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard if (upscaledWidth <= ellipsizedTextWidth) { 571c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard ellipsized = TextUtils.ellipsize( 572c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard text, paint, upscaledWidth - (ellipsizedTextWidth - upscaledWidth) - 2, 573c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard TextUtils.TruncateAt.MIDDLE); 574c0bd0a244d7e222de13f1a8454b4463183604b75Jean Chalard } 575653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka paint.setTextScaleX(MIN_TEXT_XSCALE); 576653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return ellipsized; 577653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 578653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 579653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static int getTextWidth(final CharSequence text, final TextPaint paint) { 580500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka if (TextUtils.isEmpty(text)) { 581500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka return 0; 582500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka } 583653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final Typeface savedTypeface = paint.getTypeface(); 584653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka paint.setTypeface(getTextTypeface(text)); 585653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int len = text.length(); 586653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final float[] widths = new float[len]; 587653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final int count = paint.getTextWidths(text, 0, len, widths); 588653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka int width = 0; 589653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka for (int i = 0; i < count; i++) { 590653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka width += Math.round(widths[i] + 0.5f); 591653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 592653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka paint.setTypeface(savedTypeface); 593653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return width; 594653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 595653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 596653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka private static Typeface getTextTypeface(final CharSequence text) { 597500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka if (!(text instanceof SpannableString)) { 598653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return Typeface.DEFAULT; 599500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka } 600653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 601653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final SpannableString ss = (SpannableString)text; 602653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka final StyleSpan[] styles = ss.getSpans(0, text.length(), StyleSpan.class); 603500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka if (styles.length == 0) { 604653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka return Typeface.DEFAULT; 605500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka } 606653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka 607500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka if (styles[0].getStyle() == Typeface.BOLD) { 608500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka return Typeface.DEFAULT_BOLD; 609653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 610500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka // TODO: BOLD_ITALIC, ITALIC case? 611500a9752b1e61885f37b0fb26f09dfdd65da4e5eTadashi G. Takaoka return Typeface.DEFAULT; 612653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka } 613653603b7253d96c7fad674ed301de5bc8050b68cTadashi G. Takaoka} 614