mirror of
https://gitlab.futo.org/keyboard/latinime.git
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Merge "Separate nested if-blocks into helper methods (refactor step 1)"
This commit is contained in:
Tadashi G. Takaoka
Android (Google) Code Review
commit
dd43dd61eb
@ -893,15 +893,134 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
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onMoveEventInternal(x, y, eventTime);
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}
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private void slideInToNewKey(final Key newKey, final int x, final int y, final long eventTime) {
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// The pointer has been slid in to the new key, but the finger was not on any keys.
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// In this case, we must call onPress() to notify that the new key is being pressed.
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// This onPress call may have changed keyboard layout. Those cases are detected at
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// {@link #setKeyboard}. In those cases, we should update key according to the
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// new keyboard layout.
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Key key = newKey;
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if (callListenerOnPressAndCheckKeyboardLayoutChange(key)) {
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key = onMoveKey(x, y);
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}
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onMoveToNewKey(key, x, y);
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startLongPressTimer(key);
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setPressedKeyGraphics(key, eventTime);
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}
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private void slideFromOldKeyToNewKey(final Key newKey, final int x, final int y,
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final long eventTime, final Key oldKey, final int lastX, final int lastY) {
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// The pointer has been slid in to the new key from the previous key, we must call
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// onRelease() first to notify that the previous key has been released, then call
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// onPress() to notify that the new key is being pressed.
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Key key = newKey;
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setReleasedKeyGraphics(oldKey);
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callListenerOnRelease(oldKey, oldKey.mCode, true);
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startSlidingKeyInput(oldKey);
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mTimerProxy.cancelKeyTimers();
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startRepeatKey(key);
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if (mIsAllowedSlidingKeyInput) {
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// This onPress call may have changed keyboard layout. Those cases are detected
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// at {@link #setKeyboard}. In those cases, we should update key according
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// to the new keyboard layout.
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if (callListenerOnPressAndCheckKeyboardLayoutChange(key)) {
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key = onMoveKey(x, y);
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}
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onMoveToNewKey(key, x, y);
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startLongPressTimer(key);
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setPressedKeyGraphics(key, eventTime);
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} else {
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// HACK: On some devices, quick successive touches may be reported as a sudden
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// move by touch panel firmware. This hack detects such cases and translates the
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// move event to successive up and down events.
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// TODO: Should find a way to balance gesture detection and this hack.
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if (sNeedsPhantomSuddenMoveEventHack
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&& getDistance(x, y, lastX, lastY) >= mPhantonSuddenMoveThreshold) {
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if (DEBUG_MODE) {
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Log.w(TAG, String.format("[%d] onMoveEvent:"
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+ " phantom sudden move event (distance=%d) is translated to "
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+ "up[%d,%d,%s]/down[%d,%d,%s] events", mPointerId,
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getDistance(x, y, lastX, lastY),
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lastX, lastY, Constants.printableCode(oldKey.mCode),
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x, y, Constants.printableCode(key.mCode)));
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}
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// TODO: This should be moved to outside of this nested if-clause?
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if (ProductionFlag.IS_EXPERIMENTAL) {
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ResearchLogger.pointerTracker_onMoveEvent(x, y, lastX, lastY);
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}
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onUpEventInternal(eventTime);
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onDownEventInternal(x, y, eventTime);
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}
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// HACK: On some devices, quick successive proximate touches may be reported as
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// a bogus down-move-up event by touch panel firmware. This hack detects such
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// cases and breaks these events into separate up and down events.
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else if (sNeedsProximateBogusDownMoveUpEventHack
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&& sTimeRecorder.isInFastTyping(eventTime)
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&& mBogusMoveEventDetector.isCloseToActualDownEvent(x, y)) {
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if (DEBUG_MODE) {
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final float keyDiagonal = (float)Math.hypot(
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mKeyboard.mMostCommonKeyWidth, mKeyboard.mMostCommonKeyHeight);
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final float radiusRatio =
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mBogusMoveEventDetector.getDistanceFromDownEvent(x, y)
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/ keyDiagonal;
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Log.w(TAG, String.format("[%d] onMoveEvent:"
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+ " bogus down-move-up event (raidus=%.2f key diagonal) is "
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+ " translated to up[%d,%d,%s]/down[%d,%d,%s] events",
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mPointerId, radiusRatio,
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lastX, lastY, Constants.printableCode(oldKey.mCode),
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x, y, Constants.printableCode(key.mCode)));
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}
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onUpEventInternal(eventTime);
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onDownEventInternal(x, y, eventTime);
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} else {
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// HACK: If there are currently multiple touches, register the key even if
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// the finger slides off the key. This defends against noise from some
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// touch panels when there are close multiple touches.
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// Caveat: When in chording input mode with a modifier key, we don't use
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// this hack.
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if (getActivePointerTrackerCount() > 1 && sPointerTrackerQueue != null
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&& !sPointerTrackerQueue.hasModifierKeyOlderThan(this)) {
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if (DEBUG_MODE) {
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Log.w(TAG, String.format("[%d] onMoveEvent:"
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+ " detected sliding finger while multi touching",
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mPointerId));
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}
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onUpEvent(x, y, eventTime);
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mKeyAlreadyProcessed = true;
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}
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if (!mIsDetectingGesture) {
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mKeyAlreadyProcessed = true;
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}
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setReleasedKeyGraphics(oldKey);
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}
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}
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}
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private void slideOutFromOldKey(final Key oldKey, final int x, final int y) {
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// The pointer has been slid out from the previous key, we must call onRelease() to
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// notify that the previous key has been released.
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setReleasedKeyGraphics(oldKey);
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callListenerOnRelease(oldKey, oldKey.mCode, true);
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startSlidingKeyInput(oldKey);
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mTimerProxy.cancelLongPressTimer();
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if (mIsAllowedSlidingKeyInput) {
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onMoveToNewKey(null, x, y);
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} else {
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if (!mIsDetectingGesture) {
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mKeyAlreadyProcessed = true;
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}
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}
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}
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private void onMoveEventInternal(final int x, final int y, final long eventTime) {
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final int lastX = mLastX;
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final int lastY = mLastY;
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final Key oldKey = mCurrentKey;
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Key key = onMoveKey(x, y);
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final Key newKey = onMoveKey(x, y);
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if (sShouldHandleGesture) {
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// Register move event on gesture tracker.
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onGestureMoveEvent(x, y, eventTime, true /* isMajorEvent */, key);
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onGestureMoveEvent(x, y, eventTime, true /* isMajorEvent */, newKey);
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if (sInGesture) {
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mCurrentKey = null;
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setReleasedKeyGraphics(oldKey);
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@ -909,119 +1028,15 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
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}
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}
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if (key != null) {
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if (newKey != null) {
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if (oldKey == null) {
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// The pointer has been slid in to the new key, but the finger was not on any keys.
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// In this case, we must call onPress() to notify that the new key is being pressed.
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// This onPress call may have changed keyboard layout. Those cases are detected at
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// {@link #setKeyboard}. In those cases, we should update key according to the
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// new keyboard layout.
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if (callListenerOnPressAndCheckKeyboardLayoutChange(key)) {
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key = onMoveKey(x, y);
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}
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onMoveToNewKey(key, x, y);
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startLongPressTimer(key);
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setPressedKeyGraphics(key, eventTime);
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} else if (isMajorEnoughMoveToBeOnNewKey(x, y, eventTime, key)) {
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// The pointer has been slid in to the new key from the previous key, we must call
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// onRelease() first to notify that the previous key has been released, then call
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// onPress() to notify that the new key is being pressed.
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setReleasedKeyGraphics(oldKey);
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callListenerOnRelease(oldKey, oldKey.mCode, true);
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startSlidingKeyInput(oldKey);
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mTimerProxy.cancelKeyTimers();
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startRepeatKey(key);
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if (mIsAllowedSlidingKeyInput) {
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// This onPress call may have changed keyboard layout. Those cases are detected
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// at {@link #setKeyboard}. In those cases, we should update key according
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// to the new keyboard layout.
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if (callListenerOnPressAndCheckKeyboardLayoutChange(key)) {
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key = onMoveKey(x, y);
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}
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onMoveToNewKey(key, x, y);
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startLongPressTimer(key);
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setPressedKeyGraphics(key, eventTime);
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} else {
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// HACK: On some devices, quick successive touches may be reported as a sudden
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// move by touch panel firmware. This hack detects such cases and translates the
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// move event to successive up and down events.
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// TODO: Should find a way to balance gesture detection and this hack.
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if (sNeedsPhantomSuddenMoveEventHack
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&& getDistance(x, y, lastX, lastY) >= mPhantonSuddenMoveThreshold) {
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if (DEBUG_MODE) {
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Log.w(TAG, String.format("[%d] onMoveEvent:"
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+ " phantom sudden move event (distance=%d) is translated to "
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+ "up[%d,%d,%s]/down[%d,%d,%s] events", mPointerId,
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getDistance(x, y, lastX, lastY),
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lastX, lastY, Constants.printableCode(oldKey.mCode),
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x, y, Constants.printableCode(key.mCode)));
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}
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// TODO: This should be moved to outside of this nested if-clause?
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if (ProductionFlag.IS_EXPERIMENTAL) {
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ResearchLogger.pointerTracker_onMoveEvent(x, y, lastX, lastY);
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}
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onUpEventInternal(eventTime);
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onDownEventInternal(x, y, eventTime);
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}
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// HACK: On some devices, quick successive proximate touches may be reported as
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// a bogus down-move-up event by touch panel firmware. This hack detects such
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// cases and breaks these events into separate up and down events.
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else if (sNeedsProximateBogusDownMoveUpEventHack
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&& sTimeRecorder.isInFastTyping(eventTime)
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&& mBogusMoveEventDetector.isCloseToActualDownEvent(x, y)) {
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if (DEBUG_MODE) {
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final float keyDiagonal = (float)Math.hypot(
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mKeyboard.mMostCommonKeyWidth, mKeyboard.mMostCommonKeyHeight);
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final float radiusRatio =
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mBogusMoveEventDetector.getDistanceFromDownEvent(x, y)
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/ keyDiagonal;
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Log.w(TAG, String.format("[%d] onMoveEvent:"
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+ " bogus down-move-up event (raidus=%.2f key diagonal) is "
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+ " translated to up[%d,%d,%s]/down[%d,%d,%s] events",
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mPointerId, radiusRatio,
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lastX, lastY, Constants.printableCode(oldKey.mCode),
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x, y, Constants.printableCode(key.mCode)));
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}
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onUpEventInternal(eventTime);
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onDownEventInternal(x, y, eventTime);
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} else {
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// HACK: If there are currently multiple touches, register the key even if
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// the finger slides off the key. This defends against noise from some
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// touch panels when there are close multiple touches.
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// Caveat: When in chording input mode with a modifier key, we don't use
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// this hack.
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if (getActivePointerTrackerCount() > 1 && sPointerTrackerQueue != null
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&& !sPointerTrackerQueue.hasModifierKeyOlderThan(this)) {
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if (DEBUG_MODE) {
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Log.w(TAG, String.format("[%d] onMoveEvent:"
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+ " detected sliding finger while multi touching",
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mPointerId));
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}
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onUpEvent(x, y, eventTime);
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mKeyAlreadyProcessed = true;
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}
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if (!mIsDetectingGesture) {
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mKeyAlreadyProcessed = true;
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}
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setReleasedKeyGraphics(oldKey);
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}
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}
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slideInToNewKey(newKey, x, y, eventTime);
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} else if (isMajorEnoughMoveToBeOnNewKey(x, y, eventTime, newKey)) {
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slideFromOldKeyToNewKey(newKey, x, y, eventTime, oldKey, lastX, lastY);
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}
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} else {
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if (oldKey != null && isMajorEnoughMoveToBeOnNewKey(x, y, eventTime, key)) {
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// The pointer has been slid out from the previous key, we must call onRelease() to
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// notify that the previous key has been released.
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setReleasedKeyGraphics(oldKey);
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callListenerOnRelease(oldKey, oldKey.mCode, true);
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startSlidingKeyInput(oldKey);
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mTimerProxy.cancelLongPressTimer();
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if (mIsAllowedSlidingKeyInput) {
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onMoveToNewKey(key, x, y);
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} else {
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if (!mIsDetectingGesture) {
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mKeyAlreadyProcessed = true;
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}
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}
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if (oldKey != null && isMajorEnoughMoveToBeOnNewKey(x, y, eventTime, newKey)) {
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slideOutFromOldKey(oldKey, x, y);
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}
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}
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}
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