115a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root/* 215a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * Copyright (C) 2008 The Android Open Source Project 315a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * 415a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * Licensed under the Apache License, Version 2.0 (the "License"); 515a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * you may not use this file except in compliance with the License. 615a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * You may obtain a copy of the License at 715a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * 815a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * http://www.apache.org/licenses/LICENSE-2.0 915a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * 1015a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * Unless required by applicable law or agreed to in writing, software 1115a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * distributed under the License is distributed on an "AS IS" BASIS, 1215a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1315a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * See the License for the specific language governing permissions and 1415a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root * limitations under the License. 1515a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root */ 1615a4d2ffd04dc6c70f2cd17dae12ac6bc14c69abKenny Root 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.inputmethodservice; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.inputmethod.ExtractedText; 22a67a3cfc7c5db3b0a7710a75b57cd5360fce015asatokimport android.view.inputmethod.InputMethodManager; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.EditText; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/*** 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specialization of {@link EditText} for showing and interacting with the 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * extracted text in a full-screen input method. 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class ExtractEditText extends EditText { 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private InputMethodService mIME; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mSettingExtractedText; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ExtractEditText(Context context) { 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, null); 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ExtractEditText(Context context, AttributeSet attrs) { 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, com.android.internal.R.attr.editTextStyle); 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ExtractEditText(Context context, AttributeSet attrs, int defStyle) { 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, defStyle); 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void setIME(InputMethodService ime) { 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIME = ime; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Start making changes that will not be reported to the client. That 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is, {@link #onSelectionChanged(int, int)} will not result in sending 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the new selection to the client 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void startInternalChanges() { 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSettingExtractedText += 1; 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Finish making changes that will not be reported to the client. That 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is, {@link #onSelectionChanged(int, int)} will not result in sending 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the new selection to the client 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void finishInternalChanges() { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSettingExtractedText -= 1; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Implement just to keep track of when we are setting text from the 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * client (vs. seeing changes in ourself from the user). 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override public void setExtractedText(ExtractedText text) { 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSettingExtractedText++; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.setExtractedText(text); 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSettingExtractedText--; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Report to the underlying text editor about selection changes. 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override protected void onSelectionChanged(int selStart, int selEnd) { 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSettingExtractedText == 0 && mIME != null && selStart >= 0 && selEnd >= 0) { 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIME.onExtractedSelectionChanged(selStart, selEnd); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Redirect clicks to the IME for handling there. First allows any 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on click handler to run, though. 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override public boolean performClick() { 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!super.performClick() && mIME != null) { 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIME.onExtractedTextClicked(); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override public boolean onTextContextMenuItem(int id) { 102459ac63adae54bafff2391f1f60c607f5deece4aGilles Debunne if (mIME != null && mIME.onExtractTextContextMenuItem(id)) { 10314568c3f76cc4d3ad75dfd0206a3dc2130135c58Gilles Debunne // Mode was started on Extracted, needs to be stopped here. 10414568c3f76cc4d3ad75dfd0206a3dc2130135c58Gilles Debunne // Cut and paste will change the text, which stops selection mode. 10514568c3f76cc4d3ad75dfd0206a3dc2130135c58Gilles Debunne if (id == android.R.id.copy) stopSelectionActionMode(); 106459ac63adae54bafff2391f1f60c607f5deece4aGilles Debunne return true; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onTextContextMenuItem(id); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We are always considered to be an input method target. 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 114e67b58a347109b444070a34e86e81ce119f266b3Gilles Debunne @Override 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isInputMethodTarget() { 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return true if the edit text is currently showing a scroll bar. 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean hasVerticalScrollBar() { 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return computeVerticalScrollRange() > computeVerticalScrollExtent(); 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pretend like the window this view is in always has focus, so its 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * highlight and cursor will be displayed. 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override public boolean hasWindowFocus() { 131e67b58a347109b444070a34e86e81ce119f266b3Gilles Debunne return this.isEnabled(); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pretend like this view always has focus, so its 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * highlight and cursor will be displayed. 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override public boolean isFocused() { 139e67b58a347109b444070a34e86e81ce119f266b3Gilles Debunne return this.isEnabled(); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pretend like this view always has focus, so its 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * highlight and cursor will be displayed. 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override public boolean hasFocus() { 147e67b58a347109b444070a34e86e81ce119f266b3Gilles Debunne return this.isEnabled(); 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 149a67a3cfc7c5db3b0a7710a75b57cd5360fce015asatok 150a67a3cfc7c5db3b0a7710a75b57cd5360fce015asatok /** 151a67a3cfc7c5db3b0a7710a75b57cd5360fce015asatok * @hide 152a67a3cfc7c5db3b0a7710a75b57cd5360fce015asatok */ 153a67a3cfc7c5db3b0a7710a75b57cd5360fce015asatok @Override protected void viewClicked(InputMethodManager imm) { 154a67a3cfc7c5db3b0a7710a75b57cd5360fce015asatok // As an instance of this class is supposed to be owned by IMS, 155a67a3cfc7c5db3b0a7710a75b57cd5360fce015asatok // and it has a reference to the IMS (the current IME), 156a67a3cfc7c5db3b0a7710a75b57cd5360fce015asatok // we just need to call back its onViewClicked() here. 157a67a3cfc7c5db3b0a7710a75b57cd5360fce015asatok // It should be good to avoid unnecessary IPCs by doing this as well. 158a67a3cfc7c5db3b0a7710a75b57cd5360fce015asatok if (mIME != null) { 159a67a3cfc7c5db3b0a7710a75b57cd5360fce015asatok mIME.onViewClicked(false); 160a67a3cfc7c5db3b0a7710a75b57cd5360fce015asatok } 161a67a3cfc7c5db3b0a7710a75b57cd5360fce015asatok } 16239ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne 16339ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne /** 164e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne * {@inheritDoc} 16539ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne * @hide 16639ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne */ 16739ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne @Override 16839ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne protected void deleteText_internal(int start, int end) { 169e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne // Do not call the super method. 170e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne // This will change the source TextView instead, which will update the ExtractTextView. 17139ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne mIME.onExtractedDeleteText(start, end); 17239ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne } 17339ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne 17439ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne /** 175e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne * {@inheritDoc} 17639ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne * @hide 17739ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne */ 17839ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne @Override 17939ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne protected void replaceText_internal(int start, int end, CharSequence text) { 180e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne // Do not call the super method. 181e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne // This will change the source TextView instead, which will update the ExtractTextView. 18239ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne mIME.onExtractedReplaceText(start, end, text); 18339ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne } 18439ba6d9c4cf5a88d71edb800f3f48f85f61187c4Gilles Debunne 185e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne /** 186e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne * {@inheritDoc} 187e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne * @hide 188e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne */ 189e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne @Override 190e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne protected void setSpan_internal(Object span, int start, int end, int flags) { 191e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne // Do not call the super method. 192e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne // This will change the source TextView instead, which will update the ExtractTextView. 193e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne mIME.onExtractedSetSpan(span, start, end, flags); 194e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne } 195e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne 196e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne /** 197e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne * {@inheritDoc} 198e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne * @hide 199e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne */ 200e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne @Override 201e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne protected void setCursorPosition_internal(int start, int end) { 202e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne // Do not call the super method. 203e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne // This will change the source TextView instead, which will update the ExtractTextView. 204e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne mIME.onExtractedSelectionChanged(start, end); 205e300be9c29b7915450ddb62f2957d312b52cfa32Gilles Debunne } 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 207