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authorSatoshi Kataoka <satok@google.com>2012-07-04 15:38:14 +0900
committerSatoshi Kataoka <satok@google.com>2012-07-04 15:38:21 +0900
commitc68b37964b083015967ce290991ad69d29a4055d (patch)
tree909bddc0f0c699b6344015e7ff67e31c0a1f4eff /java/src/com/android/inputmethod/latin/EditingUtils.java
parent1e094ac19b99c47f0b8a5108e20949ac91cfa03e (diff)
parent30a324a58dbe1e2dc47d83c1bcc0af262ab0d542 (diff)
downloadlatinime-c68b37964b083015967ce290991ad69d29a4055d.tar.gz
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Merge remote-tracking branch 'goog/master' into mergescript
Conflicts: CleanSpec.mk java/Android.mk java/res/drawable-large-hdpi/btn_keyboard_key_popup_selected_holo.9.png java/res/drawable-large-hdpi/hint_popup_holo.9.png java/res/drawable-large-hdpi/sym_keyboard_numsymbol_holo.png java/res/drawable-large-hdpi/sym_keyboard_tab_holo.png java/res/drawable-large-land-hdpi/hint_popup_holo.9.png java/res/drawable-large-land-mdpi/hint_popup_holo.9.png java/res/drawable-large-land-xhdpi/hint_popup_holo.9.png java/res/drawable-large-mdpi/btn_keyboard_key_dark_normal_holo.9.png java/res/drawable-large-mdpi/btn_keyboard_key_dark_normal_off_holo.9.png java/res/drawable-large-mdpi/btn_keyboard_key_dark_normal_on_holo.9.png java/res/drawable-large-mdpi/btn_keyboard_key_dark_pressed_holo.9.png java/res/drawable-large-mdpi/btn_keyboard_key_dark_pressed_off_holo.9.png java/res/drawable-large-mdpi/btn_keyboard_key_dark_pressed_on_holo.9.png java/res/drawable-large-mdpi/btn_keyboard_key_light_normal_holo.9.png java/res/drawable-large-mdpi/btn_keyboard_key_light_pressed_holo.9.png java/res/drawable-large-mdpi/btn_keyboard_key_popup_selected_holo.9.png java/res/drawable-large-mdpi/hint_popup_holo.9.png java/res/drawable-large-mdpi/keyboard_background_holo.9.png java/res/drawable-large-mdpi/keyboard_popup_panel_background_holo.9.png java/res/drawable-large-mdpi/keyboard_suggest_strip_holo.9.png java/res/drawable-large-mdpi/sym_keyboard_delete_holo.png java/res/drawable-large-mdpi/sym_keyboard_num0_holo.png java/res/drawable-large-mdpi/sym_keyboard_num1_holo.png java/res/drawable-large-mdpi/sym_keyboard_num2_holo.png java/res/drawable-large-mdpi/sym_keyboard_num3_holo.png java/res/drawable-large-mdpi/sym_keyboard_num4_holo.png java/res/drawable-large-mdpi/sym_keyboard_num5_holo.png java/res/drawable-large-mdpi/sym_keyboard_num6_holo.png java/res/drawable-large-mdpi/sym_keyboard_num7_holo.png java/res/drawable-large-mdpi/sym_keyboard_num8_holo.png java/res/drawable-large-mdpi/sym_keyboard_num9_holo.png java/res/drawable-large-mdpi/sym_keyboard_numbpound_holo.png java/res/drawable-large-mdpi/sym_keyboard_numbstar_holo.png java/res/drawable-large-mdpi/sym_keyboard_numsymbol_holo.png java/res/drawable-large-mdpi/sym_keyboard_return_holo.png java/res/drawable-large-mdpi/sym_keyboard_settings_holo.png java/res/drawable-large-mdpi/sym_keyboard_shift_holo.png java/res/drawable-large-mdpi/sym_keyboard_shift_locked_holo.png java/res/drawable-large-mdpi/sym_keyboard_space_holo.png java/res/drawable-large-mdpi/sym_keyboard_tab_holo.png java/res/drawable-large-mdpi/sym_keyboard_voice_holo.png java/res/drawable-large-mdpi/sym_keyboard_voice_off_holo.png java/res/drawable-large-xhdpi/btn_keyboard_key_popup_selected_holo.9.png java/res/drawable-large-xhdpi/hint_popup_holo.9.png java/res/drawable-large-xhdpi/sym_keyboard_numsymbol_holo.png java/res/drawable-large-xhdpi/sym_keyboard_tab_holo.png java/res/drawable-xlarge-hdpi/btn_keyboard_key_popup_selected_holo.9.png java/res/drawable-xlarge-hdpi/hint_popup_holo.9.png java/res/drawable-xlarge-land-hdpi/hint_popup_holo.9.png java/res/drawable-xlarge-land-mdpi/hint_popup_holo.9.png java/res/drawable-xlarge-land-xhdpi/hint_popup_holo.9.png java/res/drawable-xlarge-mdpi/btn_keyboard_key_dark_normal_holo.9.png java/res/drawable-xlarge-mdpi/btn_keyboard_key_dark_normal_off_holo.9.png java/res/drawable-xlarge-mdpi/btn_keyboard_key_dark_normal_on_holo.9.png java/res/drawable-xlarge-mdpi/btn_keyboard_key_dark_pressed_holo.9.png java/res/drawable-xlarge-mdpi/btn_keyboard_key_dark_pressed_off_holo.9.png java/res/drawable-xlarge-mdpi/btn_keyboard_key_dark_pressed_on_holo.9.png java/res/drawable-xlarge-mdpi/btn_keyboard_key_light_normal_holo.9.png java/res/drawable-xlarge-mdpi/btn_keyboard_key_light_pressed_holo.9.png java/res/drawable-xlarge-mdpi/btn_keyboard_key_popup_selected_holo.9.png java/res/drawable-xlarge-mdpi/hint_popup_holo.9.png java/res/drawable-xlarge-mdpi/keyboard_background_holo.9.png java/res/drawable-xlarge-mdpi/keyboard_popup_panel_background_holo.9.png java/res/drawable-xlarge-mdpi/keyboard_suggest_strip_holo.9.png java/res/drawable-xlarge-mdpi/sym_keyboard_delete_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_num0_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_num1_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_num2_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_num3_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_num4_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_num5_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_num6_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_num7_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_num8_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_num9_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_numbpound_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_numbstar_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_return_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_settings_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_shift_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_shift_locked_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_space_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_voice_holo.png java/res/drawable-xlarge-mdpi/sym_keyboard_voice_off_holo.png java/res/drawable-xlarge-xhdpi/btn_keyboard_key_popup_selected_holo.9.png java/res/drawable-xlarge-xhdpi/hint_popup_holo.9.png java/res/layout-xlarge/recognition_status.xml java/res/values-af/strings.xml java/res/values-am/strings.xml java/res/values-ar/strings.xml java/res/values-be/strings.xml java/res/values-bg/strings.xml java/res/values-ca/strings.xml java/res/values-cs/strings.xml java/res/values-da/strings.xml java/res/values-de/strings.xml java/res/values-el/strings.xml java/res/values-en-rGB/strings.xml java/res/values-es-rUS/strings.xml java/res/values-es/strings.xml java/res/values-et/strings.xml java/res/values-fa/strings.xml java/res/values-fi/strings.xml java/res/values-fr/strings.xml java/res/values-hi/strings.xml java/res/values-hr/strings.xml java/res/values-hu/strings.xml java/res/values-in/strings.xml java/res/values-it/strings.xml java/res/values-iw/strings.xml java/res/values-ja/strings.xml java/res/values-ko/strings.xml java/res/values-large/donottranslate.xml java/res/values-lt/strings.xml java/res/values-lv/strings.xml java/res/values-ms/strings.xml java/res/values-nb/strings.xml java/res/values-nl/strings.xml java/res/values-pl/strings.xml java/res/values-pt-rPT/strings.xml java/res/values-pt/strings.xml java/res/values-rm/strings.xml java/res/values-ro/strings.xml java/res/values-ru/strings.xml java/res/values-sk/strings.xml java/res/values-sl/strings.xml java/res/values-sr/strings.xml java/res/values-sv/strings.xml java/res/values-sw/strings.xml java/res/values-sw600dp/donottranslate.xml java/res/values-sw768dp/donottranslate.xml java/res/values-th/strings.xml java/res/values-tl/strings.xml java/res/values-tr/strings.xml java/res/values-uk/strings.xml java/res/values-vi/strings.xml java/res/values-xlarge/donottranslate.xml java/res/values-zh-rCN/strings.xml java/res/values-zh-rTW/strings.xml java/res/values-zu/strings.xml java/res/values/keypress-vibration-durations.xml java/res/values/predefined-subtypes.xml java/res/xml-large-land/kbd_popup_template.xml java/res/xml-large/kbd_key_styles.xml java/res/xml-large/kbd_popup_template.xml java/res/xml-large/kbd_qwerty_f2.xml java/res/xml-large/kbd_qwerty_row1.xml java/res/xml-large/kbd_qwerty_row2.xml java/res/xml-large/kbd_qwerty_row3.xml java/res/xml-large/kbd_qwerty_row4.xml java/res/xml-large/kbd_row3_right.xml java/res/xml-large/kbd_rows_arabic.xml java/res/xml-large/kbd_rows_azerty.xml java/res/xml-large/kbd_rows_hebrew.xml java/res/xml-large/kbd_rows_qwerty.xml java/res/xml-large/kbd_rows_qwertz.xml java/res/xml-large/kbd_rows_russian.xml java/res/xml-large/kbd_rows_scandinavian.xml java/res/xml-large/kbd_rows_serbian.xml java/res/xml-large/kbd_rows_spanish.xml java/res/xml-large/kbd_symbols.xml java/res/xml-large/kbd_symbols_shift.xml java/res/xml-sw600dp-land/kbd_more_keys_keyboard_template.xml java/res/xml-sw600dp-land/kbd_popup_template.xml java/res/xml-sw600dp/kbd_more_keys_keyboard_template.xml java/res/xml-sw600dp/kbd_popup_template.xml java/res/xml-sw600dp/kbd_row3_right.xml java/res/xml-sw600dp/kbd_rows_qwerty.xml java/res/xml-sw600dp/keys_comma_period.xml java/res/xml-sw768dp-land/kbd_more_keys_keyboard_template.xml java/res/xml-sw768dp-land/kbd_popup_template.xml java/res/xml-sw768dp/kbd_more_keys_keyboard_template.xml java/res/xml-sw768dp/kbd_popup_template.xml java/res/xml-sw768dp/kbd_row3_right2.xml java/res/xml-sw768dp/kbd_rows_qwerty.xml java/res/xml-sw768dp/row_symbols_shift4.xml java/res/xml-xlarge-land/kbd_popup_template.xml java/res/xml-xlarge/kbd_key_styles.xml java/res/xml-xlarge/kbd_popup_template.xml java/res/xml-xlarge/kbd_qwerty_row1.xml java/res/xml-xlarge/kbd_qwerty_row2.xml java/res/xml-xlarge/kbd_qwerty_row3.xml java/res/xml-xlarge/kbd_qwerty_row4.xml java/res/xml-xlarge/kbd_row3_right2.xml java/res/xml-xlarge/kbd_rows_arabic.xml java/res/xml-xlarge/kbd_rows_azerty.xml java/res/xml-xlarge/kbd_rows_hebrew.xml java/res/xml-xlarge/kbd_rows_qwerty.xml java/res/xml-xlarge/kbd_rows_qwertz.xml java/res/xml-xlarge/kbd_rows_russian.xml java/res/xml-xlarge/kbd_rows_scandinavian.xml java/res/xml-xlarge/kbd_rows_serbian.xml java/res/xml-xlarge/kbd_rows_spanish.xml java/res/xml-xlarge/kbd_symbols.xml java/res/xml-xlarge/kbd_symbols_shift.xml java/res/xml/key_azerty_quote.xml java/res/xml/key_f1.xml java/res/xml/method.xml java/src/com/android/inputmethod/compat/InputMethodServiceCompatWrapper.java java/src/com/android/inputmethod/latin/Utils.java native/Android.mk Change-Id: I96e8e042f636ed8e5cc023cf8514f13121e39195
Diffstat (limited to 'java/src/com/android/inputmethod/latin/EditingUtils.java')
-rw-r--r--java/src/com/android/inputmethod/latin/EditingUtils.java293
1 files changed, 0 insertions, 293 deletions
diff --git a/java/src/com/android/inputmethod/latin/EditingUtils.java b/java/src/com/android/inputmethod/latin/EditingUtils.java
deleted file mode 100644
index e56aa695d..000000000
--- a/java/src/com/android/inputmethod/latin/EditingUtils.java
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-
-package com.android.inputmethod.latin;
-
-import com.android.inputmethod.compat.InputConnectionCompatUtils;
-
-import android.text.TextUtils;
-import android.view.inputmethod.ExtractedText;
-import android.view.inputmethod.ExtractedTextRequest;
-import android.view.inputmethod.InputConnection;
-
-import java.util.regex.Pattern;
-
-/**
- * Utility methods to deal with editing text through an InputConnection.
- */
-public class EditingUtils {
- /**
- * Number of characters we want to look back in order to identify the previous word
- */
- private static final int LOOKBACK_CHARACTER_NUM = 15;
-
- private EditingUtils() {
- // Unintentional empty constructor for singleton.
- }
-
- /**
- * Append newText to the text field represented by connection.
- * The new text becomes selected.
- */
- public static void appendText(InputConnection connection, String newText) {
- if (connection == null) {
- return;
- }
-
- // Commit the composing text
- connection.finishComposingText();
-
- // Add a space if the field already has text.
- String text = newText;
- CharSequence charBeforeCursor = connection.getTextBeforeCursor(1, 0);
- if (charBeforeCursor != null
- && !charBeforeCursor.equals(" ")
- && (charBeforeCursor.length() > 0)) {
- text = " " + text;
- }
-
- connection.setComposingText(text, 1);
- }
-
- private static int getCursorPosition(InputConnection connection) {
- ExtractedText extracted = connection.getExtractedText(
- new ExtractedTextRequest(), 0);
- if (extracted == null) {
- return -1;
- }
- return extracted.startOffset + extracted.selectionStart;
- }
-
- /**
- * @param connection connection to the current text field.
- * @param separators characters which may separate words
- * @return the word that surrounds the cursor, including up to one trailing
- * separator. For example, if the field contains "he|llo world", where |
- * represents the cursor, then "hello " will be returned.
- */
- public static String getWordAtCursor(InputConnection connection, String separators) {
- Range r = getWordRangeAtCursor(connection, separators);
- return (r == null) ? null : r.mWord;
- }
-
- /**
- * Removes the word surrounding the cursor. Parameters are identical to
- * getWordAtCursor.
- */
- public static void deleteWordAtCursor(InputConnection connection, String separators) {
- Range range = getWordRangeAtCursor(connection, separators);
- if (range == null) return;
-
- connection.finishComposingText();
- // Move cursor to beginning of word, to avoid crash when cursor is outside
- // of valid range after deleting text.
- int newCursor = getCursorPosition(connection) - range.mCharsBefore;
- connection.setSelection(newCursor, newCursor);
- connection.deleteSurroundingText(0, range.mCharsBefore + range.mCharsAfter);
- }
-
- /**
- * Represents a range of text, relative to the current cursor position.
- */
- public static class Range {
- /** Characters before selection start */
- public final int mCharsBefore;
-
- /**
- * Characters after selection start, including one trailing word
- * separator.
- */
- public final int mCharsAfter;
-
- /** The actual characters that make up a word */
- public final String mWord;
-
- public Range(int charsBefore, int charsAfter, String word) {
- if (charsBefore < 0 || charsAfter < 0) {
- throw new IndexOutOfBoundsException();
- }
- this.mCharsBefore = charsBefore;
- this.mCharsAfter = charsAfter;
- this.mWord = word;
- }
- }
-
- private static Range getWordRangeAtCursor(InputConnection connection, String sep) {
- if (connection == null || sep == null) {
- return null;
- }
- CharSequence before = connection.getTextBeforeCursor(1000, 0);
- CharSequence after = connection.getTextAfterCursor(1000, 0);
- if (before == null || after == null) {
- return null;
- }
-
- // Find first word separator before the cursor
- int start = before.length();
- while (start > 0 && !isWhitespace(before.charAt(start - 1), sep)) start--;
-
- // Find last word separator after the cursor
- int end = -1;
- while (++end < after.length() && !isWhitespace(after.charAt(end), sep)) {
- // Nothing to do here.
- }
-
- int cursor = getCursorPosition(connection);
- if (start >= 0 && cursor + end <= after.length() + before.length()) {
- String word = before.toString().substring(start, before.length())
- + after.toString().substring(0, end);
- return new Range(before.length() - start, end, word);
- }
-
- return null;
- }
-
- private static boolean isWhitespace(int code, String whitespace) {
- return whitespace.contains(String.valueOf((char) code));
- }
-
- private static final Pattern spaceRegex = Pattern.compile("\\s+");
-
-
- public static CharSequence getPreviousWord(InputConnection connection,
- String sentenceSeperators) {
- //TODO: Should fix this. This could be slow!
- CharSequence prev = connection.getTextBeforeCursor(LOOKBACK_CHARACTER_NUM, 0);
- return getPreviousWord(prev, sentenceSeperators);
- }
-
- // Get the word before the whitespace preceding the non-whitespace preceding the cursor.
- // Also, it won't return words that end in a separator.
- // Example :
- // "abc def|" -> abc
- // "abc def |" -> abc
- // "abc def. |" -> abc
- // "abc def . |" -> def
- // "abc|" -> null
- // "abc |" -> null
- // "abc. def|" -> null
- public static CharSequence getPreviousWord(CharSequence prev, String sentenceSeperators) {
- if (prev == null) return null;
- String[] w = spaceRegex.split(prev);
-
- // If we can't find two words, or we found an empty word, return null.
- if (w.length < 2 || w[w.length - 2].length() <= 0) return null;
-
- // If ends in a separator, return null
- char lastChar = w[w.length - 2].charAt(w[w.length - 2].length() - 1);
- if (sentenceSeperators.contains(String.valueOf(lastChar))) return null;
-
- return w[w.length - 2];
- }
-
- public static CharSequence getThisWord(InputConnection connection, String sentenceSeperators) {
- final CharSequence prev = connection.getTextBeforeCursor(LOOKBACK_CHARACTER_NUM, 0);
- return getThisWord(prev, sentenceSeperators);
- }
-
- // Get the word immediately before the cursor, even if there is whitespace between it and
- // the cursor - but not if there is punctuation.
- // Example :
- // "abc def|" -> def
- // "abc def |" -> def
- // "abc def. |" -> null
- // "abc def . |" -> null
- public static CharSequence getThisWord(CharSequence prev, String sentenceSeperators) {
- if (prev == null) return null;
- String[] w = spaceRegex.split(prev);
-
- // No word : return null
- if (w.length < 1 || w[w.length - 1].length() <= 0) return null;
-
- // If ends in a separator, return null
- char lastChar = w[w.length - 1].charAt(w[w.length - 1].length() - 1);
- if (sentenceSeperators.contains(String.valueOf(lastChar))) return null;
-
- return w[w.length - 1];
- }
-
- public static class SelectedWord {
- public final int mStart;
- public final int mEnd;
- public final CharSequence mWord;
-
- public SelectedWord(int start, int end, CharSequence word) {
- mStart = start;
- mEnd = end;
- mWord = word;
- }
- }
-
- /**
- * Takes a character sequence with a single character and checks if the character occurs
- * in a list of word separators or is empty.
- * @param singleChar A CharSequence with null, zero or one character
- * @param wordSeparators A String containing the word separators
- * @return true if the character is at a word boundary, false otherwise
- */
- private static boolean isWordBoundary(CharSequence singleChar, String wordSeparators) {
- return TextUtils.isEmpty(singleChar) || wordSeparators.contains(singleChar);
- }
-
- /**
- * Checks if the cursor is inside a word or the current selection is a whole word.
- * @param ic the InputConnection for accessing the text field
- * @param selStart the start position of the selection within the text field
- * @param selEnd the end position of the selection within the text field. This could be
- * the same as selStart, if there's no selection.
- * @param wordSeparators the word separator characters for the current language
- * @return an object containing the text and coordinates of the selected/touching word,
- * null if the selection/cursor is not marking a whole word.
- */
- public static SelectedWord getWordAtCursorOrSelection(final InputConnection ic,
- int selStart, int selEnd, String wordSeparators) {
- if (selStart == selEnd) {
- // There is just a cursor, so get the word at the cursor
- EditingUtils.Range range = getWordRangeAtCursor(ic, wordSeparators);
- if (range != null && !TextUtils.isEmpty(range.mWord)) {
- return new SelectedWord(selStart - range.mCharsBefore, selEnd + range.mCharsAfter,
- range.mWord);
- }
- } else {
- // Is the previous character empty or a word separator? If not, return null.
- CharSequence charsBefore = ic.getTextBeforeCursor(1, 0);
- if (!isWordBoundary(charsBefore, wordSeparators)) {
- return null;
- }
-
- // Is the next character empty or a word separator? If not, return null.
- CharSequence charsAfter = ic.getTextAfterCursor(1, 0);
- if (!isWordBoundary(charsAfter, wordSeparators)) {
- return null;
- }
-
- // Extract the selection alone
- CharSequence touching = InputConnectionCompatUtils.getSelectedText(
- ic, selStart, selEnd);
- if (TextUtils.isEmpty(touching)) return null;
- // Is any part of the selection a separator? If so, return null.
- final int length = touching.length();
- for (int i = 0; i < length; i++) {
- if (wordSeparators.contains(touching.subSequence(i, i + 1))) {
- return null;
- }
- }
- // Prepare the selected word
- return new SelectedWord(selStart, selEnd, touching);
- }
- return null;
- }
-}