SuddenJumpingTouchEventHandler.java revision 9a5b592b27158b6fb8b7a89157bb995b182899d8
1923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project/* 2443c360d0afdbab091994244f045f4756feaf2b4Jean-Baptiste Queru * Copyright (C) 2008 The Android Open Source Project 35a309f57155fb95667c2ccdda730eaf175de8876Tadashi G. Takaoka * 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 75a309f57155fb95667c2ccdda730eaf175de8876Tadashi G. Takaoka * 8923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 95a309f57155fb95667c2ccdda730eaf175de8876Tadashi G. Takaoka * 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 175a309f57155fb95667c2ccdda730eaf175de8876Tadashi G. Takaokapackage com.android.inputmethod.keyboard; 18923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 19faf437b5078e882b630706cd315c335f204ab861Tadashi G. Takaokaimport com.android.inputmethod.latin.LatinImeLogger; 209502cc177cc53678c9ddcc01d4d046f69220e13bTadashi G. Takaokaimport com.android.inputmethod.latin.Utils; 211fb28137f43ae083c773c32440981ac61e83fa5dsatokimport com.android.inputmethod.voice.VoiceIMEConnector; 224fc510a7890976d9968d73ceacf3983e77f489d2satok 23923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Projectimport android.content.Context; 24923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Projectimport android.graphics.Canvas; 2575c23ced94979a6b3f7c59e95dd46385e9702e2dKen Wakasaimport android.text.TextUtils; 26923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Projectimport android.util.AttributeSet; 27faf437b5078e882b630706cd315c335f204ab861Tadashi G. Takaokaimport android.util.Log; 28923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Projectimport android.view.MotionEvent; 29d2a431efa726771dee5c7b90004a0ed670d9a129Tadashi G. Takaoka 30571bdb401f670b92bd7710a12a990cb65a99b7d3Tadashi G. Takaoka// TODO: We should remove this class 315a309f57155fb95667c2ccdda730eaf175de8876Tadashi G. Takaokapublic class LatinKeyboardView extends KeyboardView { 32faf437b5078e882b630706cd315c335f204ab861Tadashi G. Takaoka private static final String TAG = LatinKeyboardView.class.getSimpleName(); 33faf437b5078e882b630706cd315c335f204ab861Tadashi G. Takaoka private static boolean DEBUG_MODE = LatinImeLogger.sDBG; 348eb2e34d5b2def57c9548f88e37e5c9e5a0bea59Amith Yamasani 350fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani /** Whether we've started dropping move events because we found a big jump */ 360fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani private boolean mDroppingEvents; 37e8f45ab56f3e6f358953dede794a63fc5901961dTadashi G. Takaoka /** 38d2a431efa726771dee5c7b90004a0ed670d9a129Tadashi G. Takaoka * Whether multi-touch disambiguation needs to be disabled if a real multi-touch event has 39d2a431efa726771dee5c7b90004a0ed670d9a129Tadashi G. Takaoka * occured 400fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani */ 410fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani private boolean mDisableDisambiguation; 420fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani /** The distance threshold at which we start treating the touch session as a multi-touch */ 430fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani private int mJumpThresholdSquare = Integer.MAX_VALUE; 443e0c82ec80a69c4adbd60546c3c56c83c43ec7ebAmith Yamasani /** The y coordinate of the last row */ 453e0c82ec80a69c4adbd60546c3c56c83c43ec7ebAmith Yamasani private int mLastRowY; 46e26ef1bccddc942fdaeada3409c8e8ff18a35008Tadashi G. Takaoka private int mLastX; 47e26ef1bccddc942fdaeada3409c8e8ff18a35008Tadashi G. Takaoka private int mLastY; 483f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani 49923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project public LatinKeyboardView(Context context, AttributeSet attrs) { 50a1cc4f0a8d9a70ff1515d1ddb1476f6ce630afe2Tadashi G. Takaoka this(context, attrs, 0); 51923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 52923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 53923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project public LatinKeyboardView(Context context, AttributeSet attrs, int defStyle) { 54923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project super(context, attrs, defStyle); 55923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 56230cd6f7f27300e2688b5e5a22a5361f446b80e7Amith Yamasani 57923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project @Override 583a2896c80475094f751ef447fc9c97028bfc2265Tadashi G. Takaoka public void setPreviewEnabled(boolean previewEnabled) { 592c60d6e28ecf7d6f7e97a504ebfa97e286d931edTadashi G. Takaoka LatinKeyboard latinKeyboard = getLatinKeyboard(); 602c60d6e28ecf7d6f7e97a504ebfa97e286d931edTadashi G. Takaoka if (latinKeyboard != null 612c60d6e28ecf7d6f7e97a504ebfa97e286d931edTadashi G. Takaoka && (latinKeyboard.isPhoneKeyboard() || latinKeyboard.isNumberKeyboard())) { 622c60d6e28ecf7d6f7e97a504ebfa97e286d931edTadashi G. Takaoka // Phone and number keyboard never shows popup preview (except language switch). 633a2896c80475094f751ef447fc9c97028bfc2265Tadashi G. Takaoka super.setPreviewEnabled(false); 643a2896c80475094f751ef447fc9c97028bfc2265Tadashi G. Takaoka } else { 653a2896c80475094f751ef447fc9c97028bfc2265Tadashi G. Takaoka super.setPreviewEnabled(previewEnabled); 663a2896c80475094f751ef447fc9c97028bfc2265Tadashi G. Takaoka } 673a2896c80475094f751ef447fc9c97028bfc2265Tadashi G. Takaoka } 683a2896c80475094f751ef447fc9c97028bfc2265Tadashi G. Takaoka 69ee66e6fa90596e26d9519ac7bb261644377d32c8Tadashi G. Takaoka public void setLatinKeyboard(LatinKeyboard newKeyboard) { 70ee66e6fa90596e26d9519ac7bb261644377d32c8Tadashi G. Takaoka final LatinKeyboard oldKeyboard = getLatinKeyboard(); 71ee66e6fa90596e26d9519ac7bb261644377d32c8Tadashi G. Takaoka if (oldKeyboard != null) { 72ee66e6fa90596e26d9519ac7bb261644377d32c8Tadashi G. Takaoka // Reset old keyboard state before switching to new keyboard. 73ee66e6fa90596e26d9519ac7bb261644377d32c8Tadashi G. Takaoka oldKeyboard.keyReleased(); 74ee66e6fa90596e26d9519ac7bb261644377d32c8Tadashi G. Takaoka } 75ee66e6fa90596e26d9519ac7bb261644377d32c8Tadashi G. Takaoka super.setKeyboard(newKeyboard); 760fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani // One-seventh of the keyboard width seems like a reasonable threshold 77ee66e6fa90596e26d9519ac7bb261644377d32c8Tadashi G. Takaoka mJumpThresholdSquare = newKeyboard.getMinWidth() / 7; 780fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani mJumpThresholdSquare *= mJumpThresholdSquare; 793e0c82ec80a69c4adbd60546c3c56c83c43ec7ebAmith Yamasani // Assuming there are 4 rows, this is the coordinate of the last row 80ee66e6fa90596e26d9519ac7bb261644377d32c8Tadashi G. Takaoka mLastRowY = (newKeyboard.getHeight() * 3) / 4; 810fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani } 820fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani 830ce98cbf98c6409ac18fa341f467703d78352a4cKen Wakasa public LatinKeyboard getLatinKeyboard() { 845a309f57155fb95667c2ccdda730eaf175de8876Tadashi G. Takaoka Keyboard keyboard = getKeyboard(); 850ce98cbf98c6409ac18fa341f467703d78352a4cKen Wakasa if (keyboard instanceof LatinKeyboard) { 860ce98cbf98c6409ac18fa341f467703d78352a4cKen Wakasa return (LatinKeyboard)keyboard; 870ce98cbf98c6409ac18fa341f467703d78352a4cKen Wakasa } else { 880ce98cbf98c6409ac18fa341f467703d78352a4cKen Wakasa return null; 890ce98cbf98c6409ac18fa341f467703d78352a4cKen Wakasa } 900ce98cbf98c6409ac18fa341f467703d78352a4cKen Wakasa } 910ce98cbf98c6409ac18fa341f467703d78352a4cKen Wakasa 92de0c8874a4eb1250e8439d9e4e1badca88316670Tadashi G. Takaoka public void setSpacebarTextFadeFactor(float fadeFactor, LatinKeyboard oldKeyboard) { 93de0c8874a4eb1250e8439d9e4e1badca88316670Tadashi G. Takaoka final LatinKeyboard currentKeyboard = getLatinKeyboard(); 94de0c8874a4eb1250e8439d9e4e1badca88316670Tadashi G. Takaoka // We should not set text fade factor to the keyboard which does not display the language on 95de0c8874a4eb1250e8439d9e4e1badca88316670Tadashi G. Takaoka // its spacebar. 96de0c8874a4eb1250e8439d9e4e1badca88316670Tadashi G. Takaoka if (currentKeyboard != null && currentKeyboard == oldKeyboard) 97de0c8874a4eb1250e8439d9e4e1badca88316670Tadashi G. Takaoka currentKeyboard.setSpacebarTextFadeFactor(fadeFactor, this); 98de0c8874a4eb1250e8439d9e4e1badca88316670Tadashi G. Takaoka } 99de0c8874a4eb1250e8439d9e4e1badca88316670Tadashi G. Takaoka 1000fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani @Override 10104c96ab966e8a58e5cd401362b49509751ce75d9Tadashi G. Takaoka protected boolean onLongPress(Key key, PointerTracker tracker) { 102c4f71668d7b8203dc66f0f04c089a363189eb4ceTadashi G. Takaoka int primaryCode = key.mCode; 103e18bd3e323e7d7448677bb66e8149eea0169c771Tadashi G. Takaoka if (primaryCode == Keyboard.CODE_SETTINGS) { 104e18bd3e323e7d7448677bb66e8149eea0169c771Tadashi G. Takaoka return invokeOnKey(Keyboard.CODE_SETTINGS_LONGPRESS); 1052c60d6e28ecf7d6f7e97a504ebfa97e286d931edTadashi G. Takaoka } else if (primaryCode == '0' && getLatinKeyboard().isPhoneKeyboard()) { 106923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project // Long pressing on 0 in phone number keypad gives you a '+'. 107a1cc4f0a8d9a70ff1515d1ddb1476f6ce630afe2Tadashi G. Takaoka return invokeOnKey('+'); 108923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } else { 10904c96ab966e8a58e5cd401362b49509751ce75d9Tadashi G. Takaoka return super.onLongPress(key, tracker); 110923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 111923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 112923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project 113a1cc4f0a8d9a70ff1515d1ddb1476f6ce630afe2Tadashi G. Takaoka private boolean invokeOnKey(int primaryCode) { 1148aa3f5a3ad6095a3355841ce30bce4877319d0a0Tadashi G. Takaoka getOnKeyboardActionListener().onCodeInput(primaryCode, null, 115a96574fdd5e38a237a35b21a2b7c20a29138c648Tadashi G. Takaoka KeyboardActionListener.NOT_A_TOUCH_COORDINATE, 116a96574fdd5e38a237a35b21a2b7c20a29138c648Tadashi G. Takaoka KeyboardActionListener.NOT_A_TOUCH_COORDINATE); 117a1cc4f0a8d9a70ff1515d1ddb1476f6ce630afe2Tadashi G. Takaoka return true; 118a1cc4f0a8d9a70ff1515d1ddb1476f6ce630afe2Tadashi G. Takaoka } 119a1cc4f0a8d9a70ff1515d1ddb1476f6ce630afe2Tadashi G. Takaoka 120979f8690967ff5409fe18f5085858ccdb8e0ccf1satok @Override 121979f8690967ff5409fe18f5085858ccdb8e0ccf1satok protected CharSequence adjustCase(CharSequence label) { 1220ce98cbf98c6409ac18fa341f467703d78352a4cKen Wakasa LatinKeyboard keyboard = getLatinKeyboard(); 1230ce98cbf98c6409ac18fa341f467703d78352a4cKen Wakasa if (keyboard.isAlphaKeyboard() 124f27364600c742509b48857e6b8f17312033e0dc7Tadashi G. Takaoka && keyboard.isShiftedOrShiftLocked() 12575c23ced94979a6b3f7c59e95dd46385e9702e2dKen Wakasa && !TextUtils.isEmpty(label) && label.length() < 3 126979f8690967ff5409fe18f5085858ccdb8e0ccf1satok && Character.isLowerCase(label.charAt(0))) { 127e26ef1bccddc942fdaeada3409c8e8ff18a35008Tadashi G. Takaoka return label.toString().toUpperCase(); 128979f8690967ff5409fe18f5085858ccdb8e0ccf1satok } 129979f8690967ff5409fe18f5085858ccdb8e0ccf1satok return label; 130979f8690967ff5409fe18f5085858ccdb8e0ccf1satok } 131979f8690967ff5409fe18f5085858ccdb8e0ccf1satok 1320fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani /** 1330fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani * This function checks to see if we need to handle any sudden jumps in the pointer location 1340fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani * that could be due to a multi-touch being treated as a move by the firmware or hardware. 1350fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani * Once a sudden jump is detected, all subsequent move events are discarded 1360fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani * until an UP is received.<P> 137e8f45ab56f3e6f358953dede794a63fc5901961dTadashi G. Takaoka * When a sudden jump is detected, an UP event is simulated at the last position and when 1380fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani * the sudden moves subside, a DOWN event is simulated for the second key. 1390fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani * @param me the motion event 140e8f45ab56f3e6f358953dede794a63fc5901961dTadashi G. Takaoka * @return true if the event was consumed, so that it doesn't continue to be handled by 1410fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani * KeyboardView. 1420fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani */ 1430fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani private boolean handleSuddenJump(MotionEvent me) { 1449a5b592b27158b6fb8b7a89157bb995b182899d8Tadashi G. Takaoka // If device has distinct multi touch panel, there is no need to check sudden jump. 1459a5b592b27158b6fb8b7a89157bb995b182899d8Tadashi G. Takaoka if (hasDistinctMultitouch()) 1469a5b592b27158b6fb8b7a89157bb995b182899d8Tadashi G. Takaoka return false; 1470fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani final int action = me.getAction(); 1480fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani final int x = (int) me.getX(); 1490fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani final int y = (int) me.getY(); 1500fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani boolean result = false; 1510fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani 1520fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani // Real multi-touch event? Stop looking for sudden jumps 1530fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani if (me.getPointerCount() > 1) { 1540fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani mDisableDisambiguation = true; 1550fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani } 1560fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani if (mDisableDisambiguation) { 1570fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani // If UP, reset the multi-touch flag 1580fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani if (action == MotionEvent.ACTION_UP) mDisableDisambiguation = false; 1590fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani return false; 1600fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani } 1610fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani 1620fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani switch (action) { 1630fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani case MotionEvent.ACTION_DOWN: 1640fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani // Reset the "session" 1650fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani mDroppingEvents = false; 1660fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani mDisableDisambiguation = false; 1670fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani break; 1680fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani case MotionEvent.ACTION_MOVE: 1690fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani // Is this a big jump? 1700fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani final int distanceSquare = (mLastX - x) * (mLastX - x) + (mLastY - y) * (mLastY - y); 1713e0c82ec80a69c4adbd60546c3c56c83c43ec7ebAmith Yamasani // Check the distance and also if the move is not entirely within the bottom row 1723e0c82ec80a69c4adbd60546c3c56c83c43ec7ebAmith Yamasani // If it's only in the bottom row, it might be an intentional slide gesture 1733e0c82ec80a69c4adbd60546c3c56c83c43ec7ebAmith Yamasani // for language switching 1743e0c82ec80a69c4adbd60546c3c56c83c43ec7ebAmith Yamasani if (distanceSquare > mJumpThresholdSquare 1753e0c82ec80a69c4adbd60546c3c56c83c43ec7ebAmith Yamasani && (mLastY < mLastRowY || y < mLastRowY)) { 1760fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani // If we're not yet dropping events, start dropping and send an UP event 1770fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani if (!mDroppingEvents) { 1780fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani mDroppingEvents = true; 1790fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani // Send an up event 1800fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani MotionEvent translated = MotionEvent.obtain(me.getEventTime(), me.getEventTime(), 1810fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani MotionEvent.ACTION_UP, 1820fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani mLastX, mLastY, me.getMetaState()); 1830fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani super.onTouchEvent(translated); 1840fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani translated.recycle(); 1850fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani } 1860fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani result = true; 1870fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani } else if (mDroppingEvents) { 1880fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani // If moves are small and we're already dropping events, continue dropping 1890fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani result = true; 1900fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani } 1910fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani break; 1920fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani case MotionEvent.ACTION_UP: 1930fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani if (mDroppingEvents) { 1940fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani // Send a down event first, as we dropped a bunch of sudden jumps and assume that 1950fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani // the user is releasing the touch on the second key. 1960fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani MotionEvent translated = MotionEvent.obtain(me.getEventTime(), me.getEventTime(), 1970fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani MotionEvent.ACTION_DOWN, 1980fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani x, y, me.getMetaState()); 1990fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani super.onTouchEvent(translated); 2000fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani translated.recycle(); 2010fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani mDroppingEvents = false; 2020fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani // Let the up event get processed as well, result = false 2030fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani } 2040fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani break; 2050fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani } 2060fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani // Track the previous coordinate 2070fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani mLastX = x; 2080fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani mLastY = y; 2090fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani return result; 2100fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani } 2110fef498a07515bdd5ac1ccfa564776d72fd85a51Amith Yamasani 212358e485b14938fbcb5af5be75aa29f2b73674100Amith Yamasani @Override 213358e485b14938fbcb5af5be75aa29f2b73674100Amith Yamasani public boolean onTouchEvent(MotionEvent me) { 2140ce98cbf98c6409ac18fa341f467703d78352a4cKen Wakasa LatinKeyboard keyboard = getLatinKeyboard(); 21586f189fd969de7259a0e0fcc1cf868ba667f3e3bKen Wakasa if (keyboard == null) return true; 216938c178215d38c6f085b32b0994598f9e8bc5ab5Amith Yamasani 217d2a431efa726771dee5c7b90004a0ed670d9a129Tadashi G. Takaoka // If there was a sudden jump, return without processing the actual motion event. 218faf437b5078e882b630706cd315c335f204ab861Tadashi G. Takaoka if (handleSuddenJump(me)) { 219faf437b5078e882b630706cd315c335f204ab861Tadashi G. Takaoka if (DEBUG_MODE) 220faf437b5078e882b630706cd315c335f204ab861Tadashi G. Takaoka Log.w(TAG, "onTouchEvent: ignore sudden jump " + me); 221faf437b5078e882b630706cd315c335f204ab861Tadashi G. Takaoka return true; 222faf437b5078e882b630706cd315c335f204ab861Tadashi G. Takaoka } 223d2a431efa726771dee5c7b90004a0ed670d9a129Tadashi G. Takaoka 2243f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani // Reset any bounding box controls in the keyboard 2253f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani if (me.getAction() == MotionEvent.ACTION_DOWN) { 2263f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani keyboard.keyReleased(); 2273f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani } 2283f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani 2293f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani if (me.getAction() == MotionEvent.ACTION_UP) { 2303f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani int languageDirection = keyboard.getLanguageChangeDirection(); 2313f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani if (languageDirection != 0) { 2328aa3f5a3ad6095a3355841ce30bce4877319d0a0Tadashi G. Takaoka getOnKeyboardActionListener().onCodeInput( 2335a309f57155fb95667c2ccdda730eaf175de8876Tadashi G. Takaoka languageDirection == 1 234571bdb401f670b92bd7710a12a990cb65a99b7d3Tadashi G. Takaoka ? Keyboard.CODE_NEXT_LANGUAGE : Keyboard.CODE_PREV_LANGUAGE, 235542f057ef64ae16cf2bc528880cf32bfd073edadsatok null, mLastX, mLastY); 2363f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani me.setAction(MotionEvent.ACTION_CANCEL); 2373f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani keyboard.keyReleased(); 2383f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani return super.onTouchEvent(me); 2393f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani } 2403f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani } 2413f7d75060afb2bb7e74879bcbbdcb9700ec5c2d6Amith Yamasani 242d2a431efa726771dee5c7b90004a0ed670d9a129Tadashi G. Takaoka return super.onTouchEvent(me); 243bad436e93b49116f9005433845bf53126452a839Amith Yamasani } 244bad436e93b49116f9005433845bf53126452a839Amith Yamasani 245923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project @Override 246923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project public void draw(Canvas c) { 2479502cc177cc53678c9ddcc01d4d046f69220e13bTadashi G. Takaoka Utils.GCUtils.getInstance().reset(); 248979f8690967ff5409fe18f5085858ccdb8e0ccf1satok boolean tryGC = true; 2499502cc177cc53678c9ddcc01d4d046f69220e13bTadashi G. Takaoka for (int i = 0; i < Utils.GCUtils.GC_TRY_LOOP_MAX && tryGC; ++i) { 250979f8690967ff5409fe18f5085858ccdb8e0ccf1satok try { 251979f8690967ff5409fe18f5085858ccdb8e0ccf1satok super.draw(c); 252979f8690967ff5409fe18f5085858ccdb8e0ccf1satok tryGC = false; 253979f8690967ff5409fe18f5085858ccdb8e0ccf1satok } catch (OutOfMemoryError e) { 2549502cc177cc53678c9ddcc01d4d046f69220e13bTadashi G. Takaoka tryGC = Utils.GCUtils.getInstance().tryGCOrWait("LatinKeyboardView", e); 255979f8690967ff5409fe18f5085858ccdb8e0ccf1satok } 256979f8690967ff5409fe18f5085858ccdb8e0ccf1satok } 257923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project } 2581fb28137f43ae083c773c32440981ac61e83fa5dsatok 2591fb28137f43ae083c773c32440981ac61e83fa5dsatok @Override 2601fb28137f43ae083c773c32440981ac61e83fa5dsatok protected void onAttachedToWindow() { 2611fb28137f43ae083c773c32440981ac61e83fa5dsatok // Token is available from here. 2621fb28137f43ae083c773c32440981ac61e83fa5dsatok VoiceIMEConnector.getInstance().onAttachedToWindow(); 2631fb28137f43ae083c773c32440981ac61e83fa5dsatok } 264923bf41f853a544fd0d71fbf7dc90359ec35981The Android Open Source Project} 265