WordComposer.java revision 1eba97d92fb5caa4f23425837b6680ccc2a23ae8
1923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project/* 2443c360d0afdbab091994244f045f4756feaf2b4Jean-Baptiste Queru * Copyright (C) 2008 The Android Open Source Project 30fd625bcfdfac1c10e7bd7f9088bf425fec08989Jean Chalard * 4923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * use this file except in compliance with the License. You may obtain a copy of 6923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * the License at 70fd625bcfdfac1c10e7bd7f9088bf425fec08989Jean Chalard * 8923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 90fd625bcfdfac1c10e7bd7f9088bf425fec08989Jean Chalard * 10923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * License for the specific language governing permissions and limitations under 14923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * the License. 15923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project */ 16923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 17923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Projectpackage com.android.inputmethod.latin; 18923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 196b1f500da451de56932a8b2a99c63857994ece85Jean Chalardimport com.android.inputmethod.keyboard.Key; 20887f11ee43ad621aa6ad93d535ab7f48dec73fc7Tadashi G. Takaokaimport com.android.inputmethod.keyboard.KeyDetector; 213708787fe91227083d2a1874fa41493d3bc9fe10Tadashi G. Takaokaimport com.android.inputmethod.keyboard.Keyboard; 22887f11ee43ad621aa6ad93d535ab7f48dec73fc7Tadashi G. Takaoka 23c83359f9746ca6f0269a1a7017b585c1a5cab9b8Jean Chalardimport java.util.Arrays; 24923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 25923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project/** 26923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * A place to store the currently composing word with information such as adjacent key codes as well 27923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project */ 28923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Projectpublic class WordComposer { 298fbd55229243cb66c03d5ea1f79dfb39f596590dsatok 30887f11ee43ad621aa6ad93d535ab7f48dec73fc7Tadashi G. Takaoka public static final int NOT_A_CODE = KeyDetector.NOT_A_CODE; 318fbd55229243cb66c03d5ea1f79dfb39f596590dsatok public static final int NOT_A_COORDINATE = -1; 32887f11ee43ad621aa6ad93d535ab7f48dec73fc7Tadashi G. Takaoka 3301ab7c8b59a7f12862fbd95fb252e56719f1757fsatok private static final int N = BinaryDictionary.MAX_WORD_LENGTH; 348fbd55229243cb66c03d5ea1f79dfb39f596590dsatok 35adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard public static final int CAPS_MODE_OFF = 0; 36adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard // 1 is shift bit, 2 is caps bit, 4 is auto bit but this is just a convention as these bits 37adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard // aren't used anywhere in the code 38adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard public static final int CAPS_MODE_MANUAL_SHIFTED = 0x1; 39adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard public static final int CAPS_MODE_MANUAL_SHIFT_LOCKED = 0x3; 40adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard public static final int CAPS_MODE_AUTO_SHIFTED = 0x5; 41adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard public static final int CAPS_MODE_AUTO_SHIFT_LOCKED = 0x7; 42adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard 4301ab7c8b59a7f12862fbd95fb252e56719f1757fsatok private int[] mPrimaryKeyCodes; 4457f7de0ba664187e13bcea5adff7f5f65eddd823Tadashi G. Takaoka private final InputPointers mInputPointers = new InputPointers(N); 456b4ce58fc6216b9befd0567b56522ee32f2471a2Tadashi G. Takaoka private final StringBuilder mTypedWord; 46be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard private CharSequence mAutoCorrection; 474b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard private boolean mIsResumed; 48d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka private boolean mIsBatchMode; 494a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani 50be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard // Cache these values for performance 514a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani private int mCapsCount; 52e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard private int mDigitsCount; 53adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard private int mCapitalizedMode; 54117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard private int mTrailingSingleQuotesCount; 5501ab7c8b59a7f12862fbd95fb252e56719f1757fsatok private int mCodePointSize; 56c83359f9746ca6f0269a1a7017b585c1a5cab9b8Jean Chalard 57923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project /** 580b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa * Whether the user chose to capitalize the first char of the word. 59923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project */ 600b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa private boolean mIsFirstCharCapitalized; 61923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 62979f8690967ff5409fe18f5085858ccdb8e0ccf1satok public WordComposer() { 6301ab7c8b59a7f12862fbd95fb252e56719f1757fsatok mPrimaryKeyCodes = new int[N]; 64be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mTypedWord = new StringBuilder(N); 65be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mAutoCorrection = null; 66117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard mTrailingSingleQuotesCount = 0; 674b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard mIsResumed = false; 68d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka mIsBatchMode = false; 6901ab7c8b59a7f12862fbd95fb252e56719f1757fsatok refreshSize(); 70923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 71923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 72f733074aaecdfd6e89cfee2daff8a9c1233b60f1satok public WordComposer(WordComposer source) { 7301ab7c8b59a7f12862fbd95fb252e56719f1757fsatok mPrimaryKeyCodes = Arrays.copyOf(source.mPrimaryKeyCodes, source.mPrimaryKeyCodes.length); 74be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mTypedWord = new StringBuilder(source.mTypedWord); 7571538b08e4e08d556f700ad344562ca2c7b74d82Satoshi Kataoka mInputPointers.copy(source.mInputPointers); 76ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka mCapsCount = source.mCapsCount; 77e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard mDigitsCount = source.mDigitsCount; 78ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka mIsFirstCharCapitalized = source.mIsFirstCharCapitalized; 79adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard mCapitalizedMode = source.mCapitalizedMode; 80117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard mTrailingSingleQuotesCount = source.mTrailingSingleQuotesCount; 814b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard mIsResumed = source.mIsResumed; 82d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka mIsBatchMode = source.mIsBatchMode; 8301ab7c8b59a7f12862fbd95fb252e56719f1757fsatok refreshSize(); 84979f8690967ff5409fe18f5085858ccdb8e0ccf1satok } 85979f8690967ff5409fe18f5085858ccdb8e0ccf1satok 86923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project /** 87923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * Clear out the keys registered so far. 88923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project */ 89923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project public void reset() { 90be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mTypedWord.setLength(0); 91be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mAutoCorrection = null; 924a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani mCapsCount = 0; 93e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard mDigitsCount = 0; 94ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka mIsFirstCharCapitalized = false; 95117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard mTrailingSingleQuotesCount = 0; 964b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard mIsResumed = false; 97d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka mIsBatchMode = false; 9801ab7c8b59a7f12862fbd95fb252e56719f1757fsatok refreshSize(); 9901ab7c8b59a7f12862fbd95fb252e56719f1757fsatok } 10001ab7c8b59a7f12862fbd95fb252e56719f1757fsatok 101e55c23e4b0b8d9d66349a3b275d0fa1540d7450aKen Wakasa private final void refreshSize() { 10201ab7c8b59a7f12862fbd95fb252e56719f1757fsatok mCodePointSize = mTypedWord.codePointCount(0, mTypedWord.length()); 103923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 104923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 105923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project /** 106923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * Number of keystrokes in the composing word. 107923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * @return the number of keystrokes 108923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project */ 109ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka public final int size() { 11001ab7c8b59a7f12862fbd95fb252e56719f1757fsatok return mCodePointSize; 111923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 112923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 113196d82cdd740580ed79d801483dbc282be85d076Jean Chalard public final boolean isComposingWord() { 11401ab7c8b59a7f12862fbd95fb252e56719f1757fsatok return size() > 0; 115196d82cdd740580ed79d801483dbc282be85d076Jean Chalard } 116196d82cdd740580ed79d801483dbc282be85d076Jean Chalard 1179611b281e18ac71d825ff5bc771a111423772cb3satok // TODO: make sure that the index should not exceed MAX_WORD_LENGTH 11801ab7c8b59a7f12862fbd95fb252e56719f1757fsatok public int getCodeAt(int index) { 1199611b281e18ac71d825ff5bc771a111423772cb3satok if (index >= BinaryDictionary.MAX_WORD_LENGTH) { 1209611b281e18ac71d825ff5bc771a111423772cb3satok return -1; 1219611b281e18ac71d825ff5bc771a111423772cb3satok } 12201ab7c8b59a7f12862fbd95fb252e56719f1757fsatok return mPrimaryKeyCodes[index]; 123923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 124923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 12571538b08e4e08d556f700ad344562ca2c7b74d82Satoshi Kataoka public InputPointers getInputPointers() { 12671538b08e4e08d556f700ad344562ca2c7b74d82Satoshi Kataoka return mInputPointers; 1278fbd55229243cb66c03d5ea1f79dfb39f596590dsatok } 1288fbd55229243cb66c03d5ea1f79dfb39f596590dsatok 129ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka private static boolean isFirstCharCapitalized(int index, int codePoint, boolean previous) { 130ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka if (index == 0) return Character.isUpperCase(codePoint); 131436a645ea837d36f7e0f81948d343fa6e166f33aTadashi G. Takaoka return previous && !Character.isUpperCase(codePoint); 132ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka } 133ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka 134923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project /** 135c61cd79229b1871d0f603a23389695d7f7751e66Tadashi G. Takaoka * Add a new keystroke, with the pressed key's code point with the touch point coordinates. 136923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project */ 1375c641a9f59735f0eaa772bde027993275b1bdfd7Tadashi G. Takaoka public void add(int primaryCode, int keyX, int keyY) { 13801ab7c8b59a7f12862fbd95fb252e56719f1757fsatok final int newIndex = size(); 1399159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard mTypedWord.appendCodePoint(primaryCode); 14001ab7c8b59a7f12862fbd95fb252e56719f1757fsatok refreshSize(); 141ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka if (newIndex < BinaryDictionary.MAX_WORD_LENGTH) { 14267094f5bdece00994f70c6f1fa9a6ff7b8f3c3c1satok mPrimaryKeyCodes[newIndex] = primaryCode >= Keyboard.CODE_SPACE 14367094f5bdece00994f70c6f1fa9a6ff7b8f3c3c1satok ? Character.toLowerCase(primaryCode) : primaryCode; 144eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang // In the batch input mode, the {@code mInputPointers} holds batch input points and 145eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang // shouldn't be overridden by the "typed key" coordinates 146eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang // (See {@link #setBatchInputWord}). 147eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang if (!mIsBatchMode) { 148eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang // TODO: Set correct pointer id and time 149eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang mInputPointers.addPointer(newIndex, keyX, keyY, 0, 0); 150eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang } 1518fbd55229243cb66c03d5ea1f79dfb39f596590dsatok } 152ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka mIsFirstCharCapitalized = isFirstCharCapitalized( 153ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka newIndex, primaryCode, mIsFirstCharCapitalized); 154ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka if (Character.isUpperCase(primaryCode)) mCapsCount++; 155e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard if (Character.isDigit(primaryCode)) mDigitsCount++; 156117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard if (Keyboard.CODE_SINGLE_QUOTE == primaryCode) { 157117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard ++mTrailingSingleQuotesCount; 158117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard } else { 159117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard mTrailingSingleQuotesCount = 0; 160117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard } 161be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mAutoCorrection = null; 162923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 163923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 164d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka public void setBatchInputPointers(InputPointers batchPointers) { 165eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang mInputPointers.set(batchPointers); 166d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka mIsBatchMode = true; 167d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka } 168d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka 169eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang public void setBatchInputWord(CharSequence word) { 170eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang reset(); 171eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang mIsBatchMode = true; 172eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang final int length = word.length(); 173eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang for (int i = 0; i < length; i = Character.offsetByCodePoints(word, i, 1)) { 174eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang final int codePoint = Character.codePointAt(word, i); 175eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang // We don't want to override the batch input points that are held in mInputPointers 176eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang // (See {@link #add(int,int,int)}). 177eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang add(codePoint, NOT_A_COORDINATE, NOT_A_COORDINATE); 178eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang } 179eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang } 180eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang 181923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project /** 1826b1f500da451de56932a8b2a99c63857994ece85Jean Chalard * Internal method to retrieve reasonable proximity info for a character. 1836b1f500da451de56932a8b2a99c63857994ece85Jean Chalard */ 184a492790982c6d7df62f66344db30b31995800e1bJean Chalard private void addKeyInfo(final int codePoint, final Keyboard keyboard) { 185adc80eef1533189ca2f3bcb08126d4db3f5bfbbdTadashi G. Takaoka final Key key = keyboard.getKey(codePoint); 186adc80eef1533189ca2f3bcb08126d4db3f5bfbbdTadashi G. Takaoka if (key != null) { 187adc80eef1533189ca2f3bcb08126d4db3f5bfbbdTadashi G. Takaoka final int x = key.mX + key.mWidth / 2; 188adc80eef1533189ca2f3bcb08126d4db3f5bfbbdTadashi G. Takaoka final int y = key.mY + key.mHeight / 2; 189adc80eef1533189ca2f3bcb08126d4db3f5bfbbdTadashi G. Takaoka add(codePoint, x, y); 190adc80eef1533189ca2f3bcb08126d4db3f5bfbbdTadashi G. Takaoka return; 1916b1f500da451de56932a8b2a99c63857994ece85Jean Chalard } 192eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang add(codePoint, NOT_A_COORDINATE, NOT_A_COORDINATE); 1936b1f500da451de56932a8b2a99c63857994ece85Jean Chalard } 1946b1f500da451de56932a8b2a99c63857994ece85Jean Chalard 1956b1f500da451de56932a8b2a99c63857994ece85Jean Chalard /** 1966b1f500da451de56932a8b2a99c63857994ece85Jean Chalard * Set the currently composing word to the one passed as an argument. 1976b1f500da451de56932a8b2a99c63857994ece85Jean Chalard * This will register NOT_A_COORDINATE for X and Ys, and use the passed keyboard for proximity. 1986b1f500da451de56932a8b2a99c63857994ece85Jean Chalard */ 199a492790982c6d7df62f66344db30b31995800e1bJean Chalard public void setComposingWord(final CharSequence word, final Keyboard keyboard) { 2006b1f500da451de56932a8b2a99c63857994ece85Jean Chalard reset(); 2016b1f500da451de56932a8b2a99c63857994ece85Jean Chalard final int length = word.length(); 2029159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard for (int i = 0; i < length; i = Character.offsetByCodePoints(word, i, 1)) { 2039159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard int codePoint = Character.codePointAt(word, i); 204a492790982c6d7df62f66344db30b31995800e1bJean Chalard addKeyInfo(codePoint, keyboard); 2056b1f500da451de56932a8b2a99c63857994ece85Jean Chalard } 2064b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard mIsResumed = true; 2076b1f500da451de56932a8b2a99c63857994ece85Jean Chalard } 2086b1f500da451de56932a8b2a99c63857994ece85Jean Chalard 2096b1f500da451de56932a8b2a99c63857994ece85Jean Chalard /** 210923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * Delete the last keystroke as a result of hitting backspace. 211923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project */ 212923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project public void deleteLast() { 21301ab7c8b59a7f12862fbd95fb252e56719f1757fsatok final int size = size(); 214ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka if (size > 0) { 2159159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard // Note: mTypedWord.length() and mCodes.length differ when there are surrogate pairs 2169159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard final int stringBuilderLength = mTypedWord.length(); 2179159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard if (stringBuilderLength < size) { 2189159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard throw new RuntimeException( 2199159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard "In WordComposer: mCodes and mTypedWords have non-matching lengths"); 2209159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard } 2219159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard final int lastChar = mTypedWord.codePointBefore(stringBuilderLength); 2229159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard if (Character.isSupplementaryCodePoint(lastChar)) { 2239159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard mTypedWord.delete(stringBuilderLength - 2, stringBuilderLength); 2249159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard } else { 2259159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard mTypedWord.deleteCharAt(stringBuilderLength - 1); 2269159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard } 227ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka if (Character.isUpperCase(lastChar)) mCapsCount--; 228e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard if (Character.isDigit(lastChar)) mDigitsCount--; 22901ab7c8b59a7f12862fbd95fb252e56719f1757fsatok refreshSize(); 230d1a8e3088bb6267a31e3351d304796d1507e3af6Tadashi G. Takaoka } 2319159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard // We may have deleted the last one. 23201ab7c8b59a7f12862fbd95fb252e56719f1757fsatok if (0 == size()) { 233ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka mIsFirstCharCapitalized = false; 234117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard } 235117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard if (mTrailingSingleQuotesCount > 0) { 236117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard --mTrailingSingleQuotesCount; 237c83359f9746ca6f0269a1a7017b585c1a5cab9b8Jean Chalard } else { 238825e2bbd910cce3055a4ca808d3744bc0b2ceddaJean Chalard int i = mTypedWord.length(); 239825e2bbd910cce3055a4ca808d3744bc0b2ceddaJean Chalard while (i > 0) { 240825e2bbd910cce3055a4ca808d3744bc0b2ceddaJean Chalard i = mTypedWord.offsetByCodePoints(i, -1); 241be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard if (Keyboard.CODE_SINGLE_QUOTE != mTypedWord.codePointAt(i)) break; 242117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard ++mTrailingSingleQuotesCount; 243117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard } 2448fbd55229243cb66c03d5ea1f79dfb39f596590dsatok } 245be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mAutoCorrection = null; 246923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 247923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 248923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project /** 249923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * Returns the word as it was typed, without any correction applied. 250117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard * @return the word that was typed so far. Never returns null. 251923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project */ 2525c08151c227d98031abe27c3f0a8f43a7126ae9dJean Chalard public String getTypedWord() { 253be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard return mTypedWord.toString(); 254923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 255923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 256923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project /** 257923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * Whether or not the user typed a capital letter as the first letter in the word 258923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * @return capitalization preference 259923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project */ 2600b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa public boolean isFirstCharCapitalized() { 2610b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa return mIsFirstCharCapitalized; 262923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 2630b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa 264117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard public int trailingSingleQuotesCount() { 265117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard return mTrailingSingleQuotesCount; 266c83359f9746ca6f0269a1a7017b585c1a5cab9b8Jean Chalard } 267c83359f9746ca6f0269a1a7017b585c1a5cab9b8Jean Chalard 2680b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa /** 2690b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa * Whether or not all of the user typed chars are upper case 2700b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa * @return true if all user typed chars are upper case, false otherwise 2710b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa */ 2720b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa public boolean isAllUpperCase() { 2731eba97d92fb5caa4f23425837b6680ccc2a23ae8Jean Chalard return mCapitalizedMode == CAPS_MODE_AUTO_SHIFT_LOCKED 2741eba97d92fb5caa4f23425837b6680ccc2a23ae8Jean Chalard || mCapitalizedMode == CAPS_MODE_MANUAL_SHIFT_LOCKED 2751eba97d92fb5caa4f23425837b6680ccc2a23ae8Jean Chalard || (mCapsCount > 0) && (mCapsCount == size()); 2761eba97d92fb5caa4f23425837b6680ccc2a23ae8Jean Chalard } 2771eba97d92fb5caa4f23425837b6680ccc2a23ae8Jean Chalard 2781eba97d92fb5caa4f23425837b6680ccc2a23ae8Jean Chalard public boolean wasShiftedNoLock() { 2791eba97d92fb5caa4f23425837b6680ccc2a23ae8Jean Chalard return mCapitalizedMode == CAPS_MODE_AUTO_SHIFTED 2801eba97d92fb5caa4f23425837b6680ccc2a23ae8Jean Chalard || mCapitalizedMode == CAPS_MODE_MANUAL_SHIFTED; 2810b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa } 2820b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa 283923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project /** 2844a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani * Returns true if more than one character is upper case, otherwise returns false. 2854a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani */ 2864a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani public boolean isMostlyCaps() { 2874a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani return mCapsCount > 1; 2884a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani } 2891c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani 2900fd625bcfdfac1c10e7bd7f9088bf425fec08989Jean Chalard /** 291e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard * Returns true if we have digits in the composing word. 292e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard */ 293e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard public boolean hasDigits() { 294e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard return mDigitsCount > 0; 295e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard } 296e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard 297e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard /** 298adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * Saves the caps mode at the start of composing. 299adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * 300adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * WordComposer needs to know about this for several reasons. The first is, we need to know 301adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * after the fact what the reason was, to register the correct form into the user history 302adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * dictionary: if the word was automatically capitalized, we should insert it in all-lower 303adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * case but if it's a manual pressing of shift, then it should be inserted as is. 304adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * Also, batch input needs to know about the current caps mode to display correctly 305adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * capitalized suggestions. 306adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * @param mode the mode at the time of start 3071c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani */ 308adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard public void setCapitalizedModeAtStartComposingTime(final int mode) { 309adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard mCapitalizedMode = mode; 3101c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani } 3111c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani 3121c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani /** 3131c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani * Returns whether the word was automatically capitalized. 3141c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani * @return whether the word was automatically capitalized 3151c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani */ 316adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard public boolean wasAutoCapitalized() { 317adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard return mCapitalizedMode == CAPS_MODE_AUTO_SHIFT_LOCKED 318adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard || mCapitalizedMode == CAPS_MODE_AUTO_SHIFTED; 3191c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani } 320117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard 321117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard /** 322117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard * Sets the auto-correction for this word. 323117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard */ 324117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard public void setAutoCorrection(final CharSequence correction) { 325be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mAutoCorrection = correction; 326117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard } 327117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard 328117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard /** 329f7d6517d6b1a1dd88e2142e1a15703bb839be01bJean Chalard * @return the auto-correction for this word, or null if none. 330117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard */ 331117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard public CharSequence getAutoCorrectionOrNull() { 332be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard return mAutoCorrection; 333117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard } 334c73c26790fa9dcd836a918774d6efa39a05c0152Jean Chalard 3354b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard /** 3364b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard * @return whether we started composing this word by resuming suggestion on an existing string 3374b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard */ 3384b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard public boolean isResumed() { 3394b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard return mIsResumed; 3404b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard } 3414b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard 342267563d1bb4d8091293fbd8774f0f95ef59f03c4Jean Chalard // `type' should be one of the LastComposedWord.COMMIT_TYPE_* constants above. 34366bb563535dbe3672f99f75bd71763a551444867Jean Chalard public LastComposedWord commitWord(final int type, final String committedWord, 344c54d558e2e70bdfb2c1078cae7b88440d421dc67satok final int separatorCode, final CharSequence prevWord) { 3459271b770e81350e232c351f76f9f7a2ec23dff5fJean Chalard // Note: currently, we come here whenever we commit a word. If it's a MANUAL_PICK 3469271b770e81350e232c351f76f9f7a2ec23dff5fJean Chalard // or a DECIDED_WORD we may cancel the commit later; otherwise, we should deactivate 3479271b770e81350e232c351f76f9f7a2ec23dff5fJean Chalard // the last composed word to ensure this does not happen. 34801ab7c8b59a7f12862fbd95fb252e56719f1757fsatok final int[] primaryKeyCodes = mPrimaryKeyCodes; 34901ab7c8b59a7f12862fbd95fb252e56719f1757fsatok mPrimaryKeyCodes = new int[N]; 35001ab7c8b59a7f12862fbd95fb252e56719f1757fsatok final LastComposedWord lastComposedWord = new LastComposedWord(primaryKeyCodes, 35171538b08e4e08d556f700ad344562ca2c7b74d82Satoshi Kataoka mInputPointers, mTypedWord.toString(), committedWord, separatorCode, 352c54d558e2e70bdfb2c1078cae7b88440d421dc67satok prevWord); 35371538b08e4e08d556f700ad344562ca2c7b74d82Satoshi Kataoka mInputPointers.reset(); 3549271b770e81350e232c351f76f9f7a2ec23dff5fJean Chalard if (type != LastComposedWord.COMMIT_TYPE_DECIDED_WORD 3559271b770e81350e232c351f76f9f7a2ec23dff5fJean Chalard && type != LastComposedWord.COMMIT_TYPE_MANUAL_PICK) { 356449415c72f437f523a49a9ccfcde8a3c0f583a18Jean Chalard lastComposedWord.deactivate(); 357449415c72f437f523a49a9ccfcde8a3c0f583a18Jean Chalard } 358e9808694fecbf7be776cd5cf8ec0333e158286b1Jean Chalard mCapsCount = 0; 359e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard mDigitsCount = 0; 360e9808694fecbf7be776cd5cf8ec0333e158286b1Jean Chalard mIsBatchMode = false; 361be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mTypedWord.setLength(0); 3622a37fb9d30848aee42757546e8478cb7a9e45bc6Jean Chalard mTrailingSingleQuotesCount = 0; 363e9808694fecbf7be776cd5cf8ec0333e158286b1Jean Chalard mIsFirstCharCapitalized = false; 36401ab7c8b59a7f12862fbd95fb252e56719f1757fsatok refreshSize(); 365be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mAutoCorrection = null; 3664b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard mIsResumed = false; 3671f8fc62ccb5018716457dc309ab11ad3e1506ad1Jean Chalard return lastComposedWord; 368c73c26790fa9dcd836a918774d6efa39a05c0152Jean Chalard } 369c73c26790fa9dcd836a918774d6efa39a05c0152Jean Chalard 3702712f23acbb197af3b125da4cc47108e71b7446dJean Chalard public void resumeSuggestionOnLastComposedWord(final LastComposedWord lastComposedWord) { 37101ab7c8b59a7f12862fbd95fb252e56719f1757fsatok mPrimaryKeyCodes = lastComposedWord.mPrimaryKeyCodes; 37271538b08e4e08d556f700ad344562ca2c7b74d82Satoshi Kataoka mInputPointers.set(lastComposedWord.mInputPointers); 373be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mTypedWord.setLength(0); 374be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mTypedWord.append(lastComposedWord.mTypedWord); 37501ab7c8b59a7f12862fbd95fb252e56719f1757fsatok refreshSize(); 376cf9d92629cae88273805eaf7984fcfdd8afd11f5Jean Chalard mAutoCorrection = null; // This will be filled by the next call to updateSuggestion. 3774b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard mIsResumed = true; 3789e8761c4402ddc11c942ed2e583bd7d58f70c5eaJean Chalard } 379d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka 380d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka public boolean isBatchMode() { 381d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka return mIsBatchMode; 382d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka } 383923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project} 384