diff options
Diffstat (limited to 'java/src/com/android/inputmethod/keyboard/PointerTracker.java')
| -rw-r--r-- | java/src/com/android/inputmethod/keyboard/PointerTracker.java | 169 |
1 files changed, 105 insertions, 64 deletions
diff --git a/java/src/com/android/inputmethod/keyboard/PointerTracker.java b/java/src/com/android/inputmethod/keyboard/PointerTracker.java index d9a7cb418..67f37a7e7 100644 --- a/java/src/com/android/inputmethod/keyboard/PointerTracker.java +++ b/java/src/com/android/inputmethod/keyboard/PointerTracker.java @@ -16,6 +16,7 @@ package com.android.inputmethod.keyboard; +import android.content.res.TypedArray; import android.graphics.Canvas; import android.graphics.Paint; import android.os.SystemClock; @@ -28,6 +29,7 @@ import com.android.inputmethod.keyboard.internal.PointerTrackerQueue; import com.android.inputmethod.latin.CollectionUtils; import com.android.inputmethod.latin.InputPointers; import com.android.inputmethod.latin.LatinImeLogger; +import com.android.inputmethod.latin.R; import com.android.inputmethod.latin.define.ProductionFlag; import com.android.inputmethod.research.ResearchLogger; @@ -118,9 +120,36 @@ public class PointerTracker implements PointerTrackerQueue.Element { } } + static class PointerTrackerParams { + public final boolean mSlidingKeyInputEnabled; + public final int mTouchNoiseThresholdTime; + public final float mTouchNoiseThresholdDistance; + public final int mTouchNoiseThresholdDistanceSquared; + + public static final PointerTrackerParams DEFAULT = new PointerTrackerParams(); + + private PointerTrackerParams() { + mSlidingKeyInputEnabled = false; + mTouchNoiseThresholdTime = 0; + mTouchNoiseThresholdDistance = 0.0f; + mTouchNoiseThresholdDistanceSquared = 0; + } + + public PointerTrackerParams(TypedArray mainKeyboardViewAttr) { + mSlidingKeyInputEnabled = mainKeyboardViewAttr.getBoolean( + R.styleable.MainKeyboardView_slidingKeyInputEnable, false); + mTouchNoiseThresholdTime = mainKeyboardViewAttr.getInt( + R.styleable.MainKeyboardView_touchNoiseThresholdTime, 0); + final float touchNouseThresholdDistance = mainKeyboardViewAttr.getDimension( + R.styleable.MainKeyboardView_touchNoiseThresholdDistance, 0); + mTouchNoiseThresholdDistance = touchNouseThresholdDistance; + mTouchNoiseThresholdDistanceSquared = + (int)(touchNouseThresholdDistance * touchNouseThresholdDistance); + } + } + // Parameters for pointer handling. - private static MainKeyboardView.PointerTrackerParams sParams; - private static int sTouchNoiseThresholdDistanceSquared; + private static PointerTrackerParams sParams; private static boolean sNeedsPhantomSuddenMoveEventHack; private static final ArrayList<PointerTracker> sTrackers = CollectionUtils.newArrayList(); @@ -192,14 +221,11 @@ public class PointerTracker implements PointerTrackerQueue.Element { sPointerTrackerQueue = null; } sNeedsPhantomSuddenMoveEventHack = needsPhantomSuddenMoveEventHack; - - setParameters(MainKeyboardView.PointerTrackerParams.DEFAULT); + sParams = PointerTrackerParams.DEFAULT; } - public static void setParameters(MainKeyboardView.PointerTrackerParams params) { - sParams = params; - sTouchNoiseThresholdDistanceSquared = (int)( - params.mTouchNoiseThresholdDistance * params.mTouchNoiseThresholdDistance); + public static void setParameters(final TypedArray mainKeyboardViewAttr) { + sParams = new PointerTrackerParams(mainKeyboardViewAttr); } private static void updateGestureHandlingMode() { @@ -210,17 +236,17 @@ public class PointerTracker implements PointerTrackerQueue.Element { } // Note that this method is called from a non-UI thread. - public static void setMainDictionaryAvailability(boolean mainDictionaryAvailable) { + public static void setMainDictionaryAvailability(final boolean mainDictionaryAvailable) { sMainDictionaryAvailable = mainDictionaryAvailable; updateGestureHandlingMode(); } - public static void setGestureHandlingEnabledByUser(boolean gestureHandlingEnabledByUser) { + public static void setGestureHandlingEnabledByUser(final boolean gestureHandlingEnabledByUser) { sGestureHandlingEnabledByUser = gestureHandlingEnabledByUser; updateGestureHandlingMode(); } - public static PointerTracker getPointerTracker(final int id, KeyEventHandler handler) { + public static PointerTracker getPointerTracker(final int id, final KeyEventHandler handler) { final ArrayList<PointerTracker> trackers = sTrackers; // Create pointer trackers until we can get 'id+1'-th tracker, if needed. @@ -236,7 +262,7 @@ public class PointerTracker implements PointerTrackerQueue.Element { return sPointerTrackerQueue != null ? sPointerTrackerQueue.isAnyInSlidingKeyInput() : false; } - public static void setKeyboardActionListener(KeyboardActionListener listener) { + public static void setKeyboardActionListener(final KeyboardActionListener listener) { final int trackersSize = sTrackers.size(); for (int i = 0; i < trackersSize; ++i) { final PointerTracker tracker = sTrackers.get(i); @@ -244,7 +270,7 @@ public class PointerTracker implements PointerTrackerQueue.Element { } } - public static void setKeyDetector(KeyDetector keyDetector) { + public static void setKeyDetector(final KeyDetector keyDetector) { final int trackersSize = sTrackers.size(); for (int i = 0; i < trackersSize; ++i) { final PointerTracker tracker = sTrackers.get(i); @@ -298,9 +324,10 @@ public class PointerTracker implements PointerTrackerQueue.Element { sAggregratedPointers.reset(); } - private PointerTracker(int id, KeyEventHandler handler) { - if (handler == null) + private PointerTracker(final int id, final KeyEventHandler handler) { + if (handler == null) { throw new NullPointerException(); + } mPointerId = id; mGestureStroke = new GestureStroke(id); setKeyDetectorInner(handler.getKeyDetector()); @@ -310,7 +337,7 @@ public class PointerTracker implements PointerTrackerQueue.Element { } // Returns true if keyboard has been changed by this callback. - private boolean callListenerOnPressAndCheckKeyboardLayoutChange(Key key) { + private boolean callListenerOnPressAndCheckKeyboardLayoutChange(final Key key) { if (mInGesture) { return false; } @@ -335,7 +362,8 @@ public class PointerTracker implements PointerTrackerQueue.Element { // Note that we need primaryCode argument because the keyboard may in shifted state and the // primaryCode is different from {@link Key#mCode}. - private void callListenerOnCodeInput(Key key, int primaryCode, int x, int y) { + private void callListenerOnCodeInput(final Key key, final int primaryCode, final int x, + final int y) { final boolean ignoreModifierKey = mIgnoreModifierKey && key.isModifier(); final boolean altersCode = key.altCodeWhileTyping() && mTimerProxy.isTypingState(); final int code = altersCode ? key.mAltCode : primaryCode; @@ -364,7 +392,8 @@ public class PointerTracker implements PointerTrackerQueue.Element { // Note that we need primaryCode argument because the keyboard may in shifted state and the // primaryCode is different from {@link Key#mCode}. - private void callListenerOnRelease(Key key, int primaryCode, boolean withSliding) { + private void callListenerOnRelease(final Key key, final int primaryCode, + final boolean withSliding) { if (mInGesture) { return; } @@ -387,15 +416,16 @@ public class PointerTracker implements PointerTrackerQueue.Element { } private void callListenerOnCancelInput() { - if (DEBUG_LISTENER) + if (DEBUG_LISTENER) { Log.d(TAG, "onCancelInput"); + } if (ProductionFlag.IS_EXPERIMENTAL) { ResearchLogger.pointerTracker_callListenerOnCancelInput(); } mListener.onCancelInput(); } - private void setKeyDetectorInner(KeyDetector keyDetector) { + private void setKeyDetectorInner(final KeyDetector keyDetector) { mKeyDetector = keyDetector; mKeyboard = keyDetector.getKeyboard(); mIsAlphabetKeyboard = mKeyboard.mId.isAlphabetKeyboard(); @@ -425,11 +455,11 @@ public class PointerTracker implements PointerTrackerQueue.Element { return mCurrentKey != null && mCurrentKey.isModifier(); } - public Key getKeyOn(int x, int y) { + public Key getKeyOn(final int x, final int y) { return mKeyDetector.detectHitKey(x, y); } - private void setReleasedKeyGraphics(Key key) { + private void setReleasedKeyGraphics(final Key key) { mDrawingProxy.dismissKeyPreview(this); if (key == null) { return; @@ -460,7 +490,7 @@ public class PointerTracker implements PointerTrackerQueue.Element { } } - private void setPressedKeyGraphics(Key key) { + private void setPressedKeyGraphics(final Key key) { if (key == null) { return; } @@ -499,17 +529,17 @@ public class PointerTracker implements PointerTrackerQueue.Element { } } - private void updateReleaseKeyGraphics(Key key) { + private void updateReleaseKeyGraphics(final Key key) { key.onReleased(); mDrawingProxy.invalidateKey(key); } - private void updatePressKeyGraphics(Key key) { + private void updatePressKeyGraphics(final Key key) { key.onPressed(); mDrawingProxy.invalidateKey(key); } - public void drawGestureTrail(Canvas canvas, Paint paint) { + public void drawGestureTrail(final Canvas canvas, final Paint paint) { if (mInGesture) { mGestureStroke.drawGestureTrail(canvas, paint); } @@ -527,22 +557,22 @@ public class PointerTracker implements PointerTrackerQueue.Element { return mDownTime; } - private Key onDownKey(int x, int y, long eventTime) { + private Key onDownKey(final int x, final int y, final long eventTime) { mDownTime = eventTime; return onMoveToNewKey(onMoveKeyInternal(x, y), x, y); } - private Key onMoveKeyInternal(int x, int y) { + private Key onMoveKeyInternal(final int x, final int y) { mLastX = x; mLastY = y; return mKeyDetector.detectHitKey(x, y); } - private Key onMoveKey(int x, int y) { + private Key onMoveKey(final int x, final int y) { return onMoveKeyInternal(x, y); } - private Key onMoveToNewKey(Key newKey, int x, int y) { + private Key onMoveToNewKey(final Key newKey, final int x, final int y) { mCurrentKey = newKey; mKeyX = x; mKeyY = y; @@ -557,14 +587,14 @@ public class PointerTracker implements PointerTrackerQueue.Element { mListener.onStartBatchInput(); } - private void updateBatchInput(InputPointers batchPoints) { + private void updateBatchInput(final InputPointers batchPoints) { if (DEBUG_LISTENER) { Log.d(TAG, "onUpdateBatchInput: batchPoints=" + batchPoints.getPointerSize()); } mListener.onUpdateBatchInput(batchPoints); } - private void endBatchInput(InputPointers batchPoints) { + private void endBatchInput(final InputPointers batchPoints) { if (DEBUG_LISTENER) { Log.d(TAG, "onEndBatchInput: batchPoints=" + batchPoints.getPointerSize()); } @@ -585,7 +615,7 @@ public class PointerTracker implements PointerTrackerQueue.Element { mLastRecognitionTime = 0; } - private boolean updateBatchInputRecognitionState(long eventTime, int size) { + private boolean updateBatchInputRecognitionState(final long eventTime, final int size) { if (size > mLastRecognitionPointSize && eventTime > mLastRecognitionTime + MIN_GESTURE_RECOGNITION_TIME) { mLastRecognitionPointSize = size; @@ -595,8 +625,8 @@ public class PointerTracker implements PointerTrackerQueue.Element { return false; } - public void processMotionEvent(int action, int x, int y, long eventTime, - KeyEventHandler handler) { + public void processMotionEvent(final int action, final int x, final int y, final long eventTime, + final KeyEventHandler handler) { switch (action) { case MotionEvent.ACTION_DOWN: case MotionEvent.ACTION_POINTER_DOWN: @@ -615,9 +645,11 @@ public class PointerTracker implements PointerTrackerQueue.Element { } } - public void onDownEvent(int x, int y, long eventTime, KeyEventHandler handler) { - if (DEBUG_EVENT) + public void onDownEvent(final int x, final int y, final long eventTime, + final KeyEventHandler handler) { + if (DEBUG_EVENT) { printTouchEvent("onDownEvent:", x, y, eventTime); + } mDrawingProxy = handler.getDrawingProxy(); mTimerProxy = handler.getTimerProxy(); @@ -629,7 +661,7 @@ public class PointerTracker implements PointerTrackerQueue.Element { final int dx = x - mLastX; final int dy = y - mLastY; final int distanceSquared = (dx * dx + dy * dy); - if (distanceSquared < sTouchNoiseThresholdDistanceSquared) { + if (distanceSquared < sParams.mTouchNoiseThresholdDistanceSquared) { if (DEBUG_MODE) Log.w(TAG, "onDownEvent: ignore potential noise: time=" + deltaT + " distance=" + distanceSquared); @@ -665,7 +697,7 @@ public class PointerTracker implements PointerTrackerQueue.Element { } } - private void onDownEventInternal(int x, int y, long eventTime) { + private void onDownEventInternal(final int x, final int y, final long eventTime) { Key key = onDownKey(x, y, eventTime); // Sliding key is allowed when 1) enabled by configuration, 2) this pointer starts sliding // from modifier key, or 3) this pointer's KeyDetector always allows sliding input. @@ -690,15 +722,15 @@ public class PointerTracker implements PointerTrackerQueue.Element { } } - private void startSlidingKeyInput(Key key) { + private void startSlidingKeyInput(final Key key) { if (!mIsInSlidingKeyInput) { mIgnoreModifierKey = key.isModifier(); } mIsInSlidingKeyInput = true; } - private void onGestureMoveEvent(PointerTracker tracker, int x, int y, long eventTime, - boolean isHistorical, Key key) { + private void onGestureMoveEvent(final PointerTracker tracker, final int x, final int y, + final long eventTime, final boolean isHistorical, final Key key) { final int gestureTime = (int)(eventTime - tracker.getDownTime()); if (sShouldHandleGesture && mIsPossibleGesture) { final GestureStroke stroke = mGestureStroke; @@ -717,11 +749,13 @@ public class PointerTracker implements PointerTrackerQueue.Element { } } - public void onMoveEvent(int x, int y, long eventTime, MotionEvent me) { - if (DEBUG_MOVE_EVENT) + public void onMoveEvent(final int x, final int y, final long eventTime, final MotionEvent me) { + if (DEBUG_MOVE_EVENT) { printTouchEvent("onMoveEvent:", x, y, eventTime); - if (mKeyAlreadyProcessed) + } + if (mKeyAlreadyProcessed) { return; + } if (me != null) { // Add historical points to gesture path. @@ -811,8 +845,9 @@ public class PointerTracker implements PointerTrackerQueue.Element { // touch panels when there are close multiple touches. // Caveat: When in chording input mode with a modifier key, we don't use // this hack. - if (me != null && me.getPointerCount() > 1 - && !sPointerTrackerQueue.hasModifierKeyOlderThan(this)) { + final PointerTrackerQueue queue = sPointerTrackerQueue; + if (queue != null && queue.size() > 1 + && !queue.hasModifierKeyOlderThan(this)) { onUpEventInternal(); } if (!mIsPossibleGesture) { @@ -841,9 +876,10 @@ public class PointerTracker implements PointerTrackerQueue.Element { } } - public void onUpEvent(int x, int y, long eventTime) { - if (DEBUG_EVENT) + public void onUpEvent(final int x, final int y, final long eventTime) { + if (DEBUG_EVENT) { printTouchEvent("onUpEvent :", x, y, eventTime); + } final PointerTrackerQueue queue = sPointerTrackerQueue; if (queue != null) { @@ -865,9 +901,10 @@ public class PointerTracker implements PointerTrackerQueue.Element { // This pointer tracker needs to keep the key top graphics "pressed", but needs to get a // "virtual" up event. @Override - public void onPhantomUpEvent(long eventTime) { - if (DEBUG_EVENT) + public void onPhantomUpEvent(final long eventTime) { + if (DEBUG_EVENT) { printTouchEvent("onPhntEvent:", getLastX(), getLastY(), eventTime); + } onUpEventInternal(); mKeyAlreadyProcessed = true; } @@ -898,14 +935,15 @@ public class PointerTracker implements PointerTrackerQueue.Element { // This event will be recognized as a regular code input. Clear unused batch points so they // are not mistakenly included in the next batch event. clearBatchInputPointsOfAllPointerTrackers(); - if (mKeyAlreadyProcessed) + if (mKeyAlreadyProcessed) { return; + } if (mCurrentKey != null && !mCurrentKey.isRepeatable()) { detectAndSendKey(mCurrentKey, mKeyX, mKeyY); } } - public void onShowMoreKeysPanel(int x, int y, KeyEventHandler handler) { + public void onShowMoreKeysPanel(final int x, final int y, final KeyEventHandler handler) { abortBatchInput(); onLongPressed(); mIsShowingMoreKeysPanel = true; @@ -921,9 +959,10 @@ public class PointerTracker implements PointerTrackerQueue.Element { } } - public void onCancelEvent(int x, int y, long eventTime) { - if (DEBUG_EVENT) + public void onCancelEvent(final int x, final int y, final long eventTime) { + if (DEBUG_EVENT) { printTouchEvent("onCancelEvt:", x, y, eventTime); + } final PointerTrackerQueue queue = sPointerTrackerQueue; if (queue != null) { @@ -943,24 +982,25 @@ public class PointerTracker implements PointerTrackerQueue.Element { } } - private void startRepeatKey(Key key) { + private void startRepeatKey(final Key key) { if (key != null && key.isRepeatable() && !mInGesture) { onRegisterKey(key); mTimerProxy.startKeyRepeatTimer(this); } } - public void onRegisterKey(Key key) { + public void onRegisterKey(final Key key) { if (key != null) { detectAndSendKey(key, key.mX, key.mY); mTimerProxy.startTypingStateTimer(key); } } - private boolean isMajorEnoughMoveToBeOnNewKey(int x, int y, Key newKey) { - if (mKeyDetector == null) + private boolean isMajorEnoughMoveToBeOnNewKey(final int x, final int y, final Key newKey) { + if (mKeyDetector == null) { throw new NullPointerException("keyboard and/or key detector not set"); - Key curKey = mCurrentKey; + } + final Key curKey = mCurrentKey; if (newKey == curKey) { return false; } else if (curKey != null) { @@ -971,24 +1011,25 @@ public class PointerTracker implements PointerTrackerQueue.Element { } } - private void startLongPressTimer(Key key) { + private void startLongPressTimer(final Key key) { if (key != null && key.isLongPressEnabled() && !mInGesture) { mTimerProxy.startLongPressTimer(this); } } - private void detectAndSendKey(Key key, int x, int y) { + private void detectAndSendKey(final Key key, final int x, final int y) { if (key == null) { callListenerOnCancelInput(); return; } - int code = key.mCode; + final int code = key.mCode; callListenerOnCodeInput(key, code, x, y); callListenerOnRelease(key, code, false); } - private void printTouchEvent(String title, int x, int y, long eventTime) { + private void printTouchEvent(final String title, final int x, final int y, + final long eventTime) { final Key key = mKeyDetector.detectHitKey(x, y); final String code = KeyDetector.printableCode(key); Log.d(TAG, String.format("%s%s[%d] %4d %4d %5d %s", title, |