WordComposer.java revision 5701a6647f43eaa1eb4cb84c9c063d8440fe24ce
1923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project/* 2443c360d0afdbab091994244f045f4756feaf2b4Jean-Baptiste Queru * Copyright (C) 2008 The Android Open Source Project 30fd625bcfdfac1c10e7bd7f9088bf425fec08989Jean Chalard * 48aa9963a895f9dd5bb1bc92ab2e4f461e058f87aTadashi G. Takaoka * Licensed under the Apache License, Version 2.0 (the "License"); 58aa9963a895f9dd5bb1bc92ab2e4f461e058f87aTadashi G. Takaoka * you may not use this file except in compliance with the License. 68aa9963a895f9dd5bb1bc92ab2e4f461e058f87aTadashi G. Takaoka * You may obtain a copy of the License at 70fd625bcfdfac1c10e7bd7f9088bf425fec08989Jean Chalard * 88aa9963a895f9dd5bb1bc92ab2e4f461e058f87aTadashi G. Takaoka * 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 118aa9963a895f9dd5bb1bc92ab2e4f461e058f87aTadashi G. Takaoka * distributed under the License is distributed on an "AS IS" BASIS, 128aa9963a895f9dd5bb1bc92ab2e4f461e058f87aTadashi G. Takaoka * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 138aa9963a895f9dd5bb1bc92ab2e4f461e058f87aTadashi G. Takaoka * See the License for the specific language governing permissions and 148aa9963a895f9dd5bb1bc92ab2e4f461e058f87aTadashi G. Takaoka * limitations under 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 195701a6647f43eaa1eb4cb84c9c063d8440fe24ceTadashi G. Takaokaimport com.android.inputmethod.annotations.UsedForTesting; 206b1f500da451de56932a8b2a99c63857994ece85Jean Chalardimport com.android.inputmethod.keyboard.Key; 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 */ 28a28a05e971cc242b338331a3b78276fa95188d19Tadashi G. Takaokapublic final class WordComposer { 2996b22200beb98fd1a6288f4cf53e38611a09cdd0Ken Wakasa private static final int MAX_WORD_LENGTH = Constants.Dictionary.MAX_WORD_LENGTH; 308fbd55229243cb66c03d5ea1f79dfb39f596590dsatok 31adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard public static final int CAPS_MODE_OFF = 0; 32adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard // 1 is shift bit, 2 is caps bit, 4 is auto bit but this is just a convention as these bits 33adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard // aren't used anywhere in the code 34adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard public static final int CAPS_MODE_MANUAL_SHIFTED = 0x1; 35adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard public static final int CAPS_MODE_MANUAL_SHIFT_LOCKED = 0x3; 36adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard public static final int CAPS_MODE_AUTO_SHIFTED = 0x5; 37adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard public static final int CAPS_MODE_AUTO_SHIFT_LOCKED = 0x7; 38adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard 3901ab7c8b59a7f12862fbd95fb252e56719f1757fsatok private int[] mPrimaryKeyCodes; 4096b22200beb98fd1a6288f4cf53e38611a09cdd0Ken Wakasa private final InputPointers mInputPointers = new InputPointers(MAX_WORD_LENGTH); 416b4ce58fc6216b9befd0567b56522ee32f2471a2Tadashi G. Takaoka private final StringBuilder mTypedWord; 42bc464e2952e102219f0b977fc1e9140ad5bd03e4Tadashi G. Takaoka private String mAutoCorrection; 434b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard private boolean mIsResumed; 44d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka private boolean mIsBatchMode; 454a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani 46be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard // Cache these values for performance 474a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani private int mCapsCount; 48e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard private int mDigitsCount; 49adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard private int mCapitalizedMode; 50117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard private int mTrailingSingleQuotesCount; 5101ab7c8b59a7f12862fbd95fb252e56719f1757fsatok private int mCodePointSize; 52c83359f9746ca6f0269a1a7017b585c1a5cab9b8Jean Chalard 53923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project /** 540b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa * Whether the user chose to capitalize the first char of the word. 55923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project */ 560b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa private boolean mIsFirstCharCapitalized; 57923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 58979f8690967ff5409fe18f5085858ccdb8e0ccf1satok public WordComposer() { 5996b22200beb98fd1a6288f4cf53e38611a09cdd0Ken Wakasa mPrimaryKeyCodes = new int[MAX_WORD_LENGTH]; 6096b22200beb98fd1a6288f4cf53e38611a09cdd0Ken Wakasa mTypedWord = new StringBuilder(MAX_WORD_LENGTH); 61be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mAutoCorrection = null; 62117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard mTrailingSingleQuotesCount = 0; 634b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard mIsResumed = false; 64d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka mIsBatchMode = false; 6501ab7c8b59a7f12862fbd95fb252e56719f1757fsatok refreshSize(); 66923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 67923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 68bc464e2952e102219f0b977fc1e9140ad5bd03e4Tadashi G. Takaoka public WordComposer(final WordComposer source) { 6901ab7c8b59a7f12862fbd95fb252e56719f1757fsatok mPrimaryKeyCodes = Arrays.copyOf(source.mPrimaryKeyCodes, source.mPrimaryKeyCodes.length); 70be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mTypedWord = new StringBuilder(source.mTypedWord); 7171538b08e4e08d556f700ad344562ca2c7b74d82Satoshi Kataoka mInputPointers.copy(source.mInputPointers); 72ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka mCapsCount = source.mCapsCount; 73e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard mDigitsCount = source.mDigitsCount; 74ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka mIsFirstCharCapitalized = source.mIsFirstCharCapitalized; 75adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard mCapitalizedMode = source.mCapitalizedMode; 76117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard mTrailingSingleQuotesCount = source.mTrailingSingleQuotesCount; 774b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard mIsResumed = source.mIsResumed; 78d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka mIsBatchMode = source.mIsBatchMode; 7901ab7c8b59a7f12862fbd95fb252e56719f1757fsatok refreshSize(); 80979f8690967ff5409fe18f5085858ccdb8e0ccf1satok } 81979f8690967ff5409fe18f5085858ccdb8e0ccf1satok 82923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project /** 83923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * Clear out the keys registered so far. 84923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project */ 85923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project public void reset() { 86be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mTypedWord.setLength(0); 87be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mAutoCorrection = null; 884a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani mCapsCount = 0; 89e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard mDigitsCount = 0; 90ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka mIsFirstCharCapitalized = false; 91117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard mTrailingSingleQuotesCount = 0; 924b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard mIsResumed = false; 93d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka mIsBatchMode = false; 9401ab7c8b59a7f12862fbd95fb252e56719f1757fsatok refreshSize(); 9501ab7c8b59a7f12862fbd95fb252e56719f1757fsatok } 9601ab7c8b59a7f12862fbd95fb252e56719f1757fsatok 97e55c23e4b0b8d9d66349a3b275d0fa1540d7450aKen Wakasa private final void refreshSize() { 9801ab7c8b59a7f12862fbd95fb252e56719f1757fsatok mCodePointSize = mTypedWord.codePointCount(0, mTypedWord.length()); 99923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 100923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 101923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project /** 102923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * Number of keystrokes in the composing word. 103923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * @return the number of keystrokes 104923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project */ 105ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka public final int size() { 10601ab7c8b59a7f12862fbd95fb252e56719f1757fsatok return mCodePointSize; 107923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 108923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 109196d82cdd740580ed79d801483dbc282be85d076Jean Chalard public final boolean isComposingWord() { 11001ab7c8b59a7f12862fbd95fb252e56719f1757fsatok return size() > 0; 111196d82cdd740580ed79d801483dbc282be85d076Jean Chalard } 112196d82cdd740580ed79d801483dbc282be85d076Jean Chalard 1139611b281e18ac71d825ff5bc771a111423772cb3satok // TODO: make sure that the index should not exceed MAX_WORD_LENGTH 11401ab7c8b59a7f12862fbd95fb252e56719f1757fsatok public int getCodeAt(int index) { 11596b22200beb98fd1a6288f4cf53e38611a09cdd0Ken Wakasa if (index >= MAX_WORD_LENGTH) { 1169611b281e18ac71d825ff5bc771a111423772cb3satok return -1; 1179611b281e18ac71d825ff5bc771a111423772cb3satok } 11801ab7c8b59a7f12862fbd95fb252e56719f1757fsatok return mPrimaryKeyCodes[index]; 119923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 120923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 12171538b08e4e08d556f700ad344562ca2c7b74d82Satoshi Kataoka public InputPointers getInputPointers() { 12271538b08e4e08d556f700ad344562ca2c7b74d82Satoshi Kataoka return mInputPointers; 1238fbd55229243cb66c03d5ea1f79dfb39f596590dsatok } 1248fbd55229243cb66c03d5ea1f79dfb39f596590dsatok 125bc464e2952e102219f0b977fc1e9140ad5bd03e4Tadashi G. Takaoka private static boolean isFirstCharCapitalized(final int index, final int codePoint, 126bc464e2952e102219f0b977fc1e9140ad5bd03e4Tadashi G. Takaoka final boolean previous) { 127ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka if (index == 0) return Character.isUpperCase(codePoint); 128436a645ea837d36f7e0f81948d343fa6e166f33aTadashi G. Takaoka return previous && !Character.isUpperCase(codePoint); 129ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka } 130ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka 131923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project /** 132c61cd79229b1871d0f603a23389695d7f7751e66Tadashi G. Takaoka * Add a new keystroke, with the pressed key's code point with the touch point coordinates. 133923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project */ 134bc464e2952e102219f0b977fc1e9140ad5bd03e4Tadashi G. Takaoka public void add(final int primaryCode, final int keyX, final int keyY) { 13501ab7c8b59a7f12862fbd95fb252e56719f1757fsatok final int newIndex = size(); 1369159b9953d857de83ae2f90a121fcd259f5ee01dJean Chalard mTypedWord.appendCodePoint(primaryCode); 13701ab7c8b59a7f12862fbd95fb252e56719f1757fsatok refreshSize(); 13896b22200beb98fd1a6288f4cf53e38611a09cdd0Ken Wakasa if (newIndex < MAX_WORD_LENGTH) { 139240871ecafde7834ebb4270cd7758fc904a5f3a7Tadashi G. Takaoka mPrimaryKeyCodes[newIndex] = primaryCode >= Constants.CODE_SPACE 14067094f5bdece00994f70c6f1fa9a6ff7b8f3c3c1satok ? Character.toLowerCase(primaryCode) : primaryCode; 141eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang // In the batch input mode, the {@code mInputPointers} holds batch input points and 142eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang // shouldn't be overridden by the "typed key" coordinates 143eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang // (See {@link #setBatchInputWord}). 144eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang if (!mIsBatchMode) { 145eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang // TODO: Set correct pointer id and time 146eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang mInputPointers.addPointer(newIndex, keyX, keyY, 0, 0); 147eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang } 1488fbd55229243cb66c03d5ea1f79dfb39f596590dsatok } 149ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka mIsFirstCharCapitalized = isFirstCharCapitalized( 150ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka newIndex, primaryCode, mIsFirstCharCapitalized); 151ea843f2a2404f4bc04fda494e475520162cfca27Tadashi G. Takaoka if (Character.isUpperCase(primaryCode)) mCapsCount++; 152e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard if (Character.isDigit(primaryCode)) mDigitsCount++; 153240871ecafde7834ebb4270cd7758fc904a5f3a7Tadashi G. Takaoka if (Constants.CODE_SINGLE_QUOTE == primaryCode) { 154117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard ++mTrailingSingleQuotesCount; 155117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard } else { 156117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard mTrailingSingleQuotesCount = 0; 157117fc18ed46496c81596f8207bba30a09c7317d1Jean Chalard } 158be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mAutoCorrection = null; 159923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 160923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 161bc464e2952e102219f0b977fc1e9140ad5bd03e4Tadashi G. Takaoka public void setBatchInputPointers(final InputPointers batchPointers) { 162eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang mInputPointers.set(batchPointers); 163d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka mIsBatchMode = true; 164d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka } 165d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka 166bc464e2952e102219f0b977fc1e9140ad5bd03e4Tadashi G. Takaoka public void setBatchInputWord(final String word) { 167eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang reset(); 168eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang mIsBatchMode = true; 169eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang final int length = word.length(); 170eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang for (int i = 0; i < length; i = Character.offsetByCodePoints(word, i, 1)) { 171eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang final int codePoint = Character.codePointAt(word, i); 172eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang // We don't want to override the batch input points that are held in mInputPointers 173eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang // (See {@link #add(int,int,int)}). 174ac78633be28e8990fc3b3a8de192c80966e746e3Tadashi G. Takaoka add(codePoint, Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE); 175eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang } 176eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang } 177eea34598bf63f670f47d7b3f37b6436921e5fe02Tom Ouyang 178923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project /** 1796b1f500da451de56932a8b2a99c63857994ece85Jean Chalard * Internal method to retrieve reasonable proximity info for a character. 1806b1f500da451de56932a8b2a99c63857994ece85Jean Chalard */ 1815701a6647f43eaa1eb4cb84c9c063d8440fe24ceTadashi G. Takaoka @UsedForTesting 1825701a6647f43eaa1eb4cb84c9c063d8440fe24ceTadashi G. Takaoka public void addKeyInfo(final int codePoint, final Keyboard keyboard) { 183d445b56ce14152b30143302899790af255691148Tadashi G. Takaoka final int x, y; 184d445b56ce14152b30143302899790af255691148Tadashi G. Takaoka final Key key; 185d445b56ce14152b30143302899790af255691148Tadashi G. Takaoka if (keyboard != null && (key = keyboard.getKey(codePoint)) != null) { 186d445b56ce14152b30143302899790af255691148Tadashi G. Takaoka x = key.mX + key.mWidth / 2; 187d445b56ce14152b30143302899790af255691148Tadashi G. Takaoka y = key.mY + key.mHeight / 2; 188d445b56ce14152b30143302899790af255691148Tadashi G. Takaoka } else { 189d445b56ce14152b30143302899790af255691148Tadashi G. Takaoka x = Constants.NOT_A_COORDINATE; 190d445b56ce14152b30143302899790af255691148Tadashi G. Takaoka y = Constants.NOT_A_COORDINATE; 1916b1f500da451de56932a8b2a99c63857994ece85Jean Chalard } 192d445b56ce14152b30143302899790af255691148Tadashi G. Takaoka add(codePoint, x, y); 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)) { 203d445b56ce14152b30143302899790af255691148Tadashi G. Takaoka final 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); 241240871ecafde7834ebb4270cd7758fc904a5f3a7Tadashi G. Takaoka if (Constants.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() { 273ad0642cf258ca9b123f74ca0ae8bf970792908f1Jean Chalard if (size() <= 1) { 274ad0642cf258ca9b123f74ca0ae8bf970792908f1Jean Chalard return mCapitalizedMode == CAPS_MODE_AUTO_SHIFT_LOCKED 275ad0642cf258ca9b123f74ca0ae8bf970792908f1Jean Chalard || mCapitalizedMode == CAPS_MODE_MANUAL_SHIFT_LOCKED; 276ad0642cf258ca9b123f74ca0ae8bf970792908f1Jean Chalard } else { 277ad0642cf258ca9b123f74ca0ae8bf970792908f1Jean Chalard return mCapsCount == size(); 278ad0642cf258ca9b123f74ca0ae8bf970792908f1Jean Chalard } 2791eba97d92fb5caa4f23425837b6680ccc2a23ae8Jean Chalard } 2801eba97d92fb5caa4f23425837b6680ccc2a23ae8Jean Chalard 2811eba97d92fb5caa4f23425837b6680ccc2a23ae8Jean Chalard public boolean wasShiftedNoLock() { 2821eba97d92fb5caa4f23425837b6680ccc2a23ae8Jean Chalard return mCapitalizedMode == CAPS_MODE_AUTO_SHIFTED 2831eba97d92fb5caa4f23425837b6680ccc2a23ae8Jean Chalard || mCapitalizedMode == CAPS_MODE_MANUAL_SHIFTED; 2840b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa } 2850b4ae1f578e768eec4ada90aeb81d11acb10eb2eKen Wakasa 286923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project /** 2874a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani * Returns true if more than one character is upper case, otherwise returns false. 2884a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani */ 2894a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani public boolean isMostlyCaps() { 2904a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani return mCapsCount > 1; 2914a7ff90d513f8b6cbf39688c08be0828a57e311bAmith Yamasani } 2921c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani 2930fd625bcfdfac1c10e7bd7f9088bf425fec08989Jean Chalard /** 294e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard * Returns true if we have digits in the composing word. 295e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard */ 296e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard public boolean hasDigits() { 297e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard return mDigitsCount > 0; 298e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard } 299e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard 300e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard /** 301adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * Saves the caps mode at the start of composing. 302adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * 303adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * WordComposer needs to know about this for several reasons. The first is, we need to know 304adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * after the fact what the reason was, to register the correct form into the user history 305adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * dictionary: if the word was automatically capitalized, we should insert it in all-lower 306adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * case but if it's a manual pressing of shift, then it should be inserted as is. 307adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * Also, batch input needs to know about the current caps mode to display correctly 308adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * capitalized suggestions. 309adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard * @param mode the mode at the time of start 3101c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani */ 311adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard public void setCapitalizedModeAtStartComposingTime(final int mode) { 312adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard mCapitalizedMode = mode; 3131c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani } 3141c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani 3151c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani /** 3161c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani * Returns whether the word was automatically capitalized. 3171c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani * @return whether the word was automatically capitalized 3181c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani */ 319adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard public boolean wasAutoCapitalized() { 320adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard return mCapitalizedMode == CAPS_MODE_AUTO_SHIFT_LOCKED 321adbd9ae105e06287b59379d7f7127d95fd0663f4Jean Chalard || mCapitalizedMode == CAPS_MODE_AUTO_SHIFTED; 3221c551251106e506c70fad7ba0cb8b1e2a7dff3a9Amith Yamasani } 323117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard 324117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard /** 325117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard * Sets the auto-correction for this word. 326117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard */ 327bc464e2952e102219f0b977fc1e9140ad5bd03e4Tadashi G. Takaoka public void setAutoCorrection(final String correction) { 328be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mAutoCorrection = correction; 329117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard } 330117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard 331117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard /** 332f7d6517d6b1a1dd88e2142e1a15703bb839be01bJean Chalard * @return the auto-correction for this word, or null if none. 333117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard */ 334bc464e2952e102219f0b977fc1e9140ad5bd03e4Tadashi G. Takaoka public String getAutoCorrectionOrNull() { 335be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard return mAutoCorrection; 336117fc93f373cb86d4120c1261f9d0562c6529fecJean Chalard } 337c73c26790fa9dcd836a918774d6efa39a05c0152Jean Chalard 3384b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard /** 3394b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard * @return whether we started composing this word by resuming suggestion on an existing string 3404b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard */ 3414b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard public boolean isResumed() { 3424b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard return mIsResumed; 3434b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard } 3444b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard 345267563d1bb4d8091293fbd8774f0f95ef59f03c4Jean Chalard // `type' should be one of the LastComposedWord.COMMIT_TYPE_* constants above. 34666bb563535dbe3672f99f75bd71763a551444867Jean Chalard public LastComposedWord commitWord(final int type, final String committedWord, 347bc464e2952e102219f0b977fc1e9140ad5bd03e4Tadashi G. Takaoka final String separatorString, final String prevWord) { 3489271b770e81350e232c351f76f9f7a2ec23dff5fJean Chalard // Note: currently, we come here whenever we commit a word. If it's a MANUAL_PICK 3499271b770e81350e232c351f76f9f7a2ec23dff5fJean Chalard // or a DECIDED_WORD we may cancel the commit later; otherwise, we should deactivate 3509271b770e81350e232c351f76f9f7a2ec23dff5fJean Chalard // the last composed word to ensure this does not happen. 35101ab7c8b59a7f12862fbd95fb252e56719f1757fsatok final int[] primaryKeyCodes = mPrimaryKeyCodes; 35296b22200beb98fd1a6288f4cf53e38611a09cdd0Ken Wakasa mPrimaryKeyCodes = new int[MAX_WORD_LENGTH]; 35301ab7c8b59a7f12862fbd95fb252e56719f1757fsatok final LastComposedWord lastComposedWord = new LastComposedWord(primaryKeyCodes, 354a05a0f20776b4c33f41f043f1bff245331937580Jean Chalard mInputPointers, mTypedWord.toString(), committedWord, separatorString, 355b6b7f5e39e9ea1bf9a05203c536327a6be7e7214Jean Chalard prevWord, mCapitalizedMode); 35671538b08e4e08d556f700ad344562ca2c7b74d82Satoshi Kataoka mInputPointers.reset(); 3579271b770e81350e232c351f76f9f7a2ec23dff5fJean Chalard if (type != LastComposedWord.COMMIT_TYPE_DECIDED_WORD 3589271b770e81350e232c351f76f9f7a2ec23dff5fJean Chalard && type != LastComposedWord.COMMIT_TYPE_MANUAL_PICK) { 359449415c72f437f523a49a9ccfcde8a3c0f583a18Jean Chalard lastComposedWord.deactivate(); 360449415c72f437f523a49a9ccfcde8a3c0f583a18Jean Chalard } 361e9808694fecbf7be776cd5cf8ec0333e158286b1Jean Chalard mCapsCount = 0; 362e7c471a52f38c48cd38e412d88901bddb6f903a9Jean Chalard mDigitsCount = 0; 363e9808694fecbf7be776cd5cf8ec0333e158286b1Jean Chalard mIsBatchMode = false; 364be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mTypedWord.setLength(0); 3658914555776a4d3dfd6afc4926a69169ca1c82a0eJean Chalard mCodePointSize = 0; 3662a37fb9d30848aee42757546e8478cb7a9e45bc6Jean Chalard mTrailingSingleQuotesCount = 0; 367e9808694fecbf7be776cd5cf8ec0333e158286b1Jean Chalard mIsFirstCharCapitalized = false; 3688914555776a4d3dfd6afc4926a69169ca1c82a0eJean Chalard mCapitalizedMode = CAPS_MODE_OFF; 36901ab7c8b59a7f12862fbd95fb252e56719f1757fsatok refreshSize(); 370be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mAutoCorrection = null; 3714b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard mIsResumed = false; 3721f8fc62ccb5018716457dc309ab11ad3e1506ad1Jean Chalard return lastComposedWord; 373c73c26790fa9dcd836a918774d6efa39a05c0152Jean Chalard } 374c73c26790fa9dcd836a918774d6efa39a05c0152Jean Chalard 3752712f23acbb197af3b125da4cc47108e71b7446dJean Chalard public void resumeSuggestionOnLastComposedWord(final LastComposedWord lastComposedWord) { 37601ab7c8b59a7f12862fbd95fb252e56719f1757fsatok mPrimaryKeyCodes = lastComposedWord.mPrimaryKeyCodes; 37771538b08e4e08d556f700ad344562ca2c7b74d82Satoshi Kataoka mInputPointers.set(lastComposedWord.mInputPointers); 378be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mTypedWord.setLength(0); 379be79227dc99421ff7be62224c51c553b3fa73777Jean Chalard mTypedWord.append(lastComposedWord.mTypedWord); 38001ab7c8b59a7f12862fbd95fb252e56719f1757fsatok refreshSize(); 381b6b7f5e39e9ea1bf9a05203c536327a6be7e7214Jean Chalard mCapitalizedMode = lastComposedWord.mCapitalizedMode; 382cf9d92629cae88273805eaf7984fcfdd8afd11f5Jean Chalard mAutoCorrection = null; // This will be filled by the next call to updateSuggestion. 3834b5b46bb66bf74ef5edd65c55e186b02f3c56e5dJean Chalard mIsResumed = true; 3849e8761c4402ddc11c942ed2e583bd7d58f70c5eaJean Chalard } 385d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka 386d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka public boolean isBatchMode() { 387d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka return mIsBatchMode; 388d82dcdc9246b340c4b355e34efc6079f3278efa6Tadashi G. Takaoka } 389923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project} 390