Temporarily suppress key popup preview after gesture input (29d2d481) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/keyboard/PointerTracker.java

+21 −7

Original line number	Diff line number	Diff line
		@@ -48,6 +48,9 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
		private static boolean sGestureHandlingEnabledByUser = false;
		private static boolean sGestureOffWhileFastTyping = false;

		// TODO: Move this to resource.
		private static final int SUPPRESS_KEY_PREVIEW_AFTER_LAST_BATCH_INPUT_DURATION = 1000; // msec

		public interface KeyEventHandler {
		/**
		* Get KeyDetector object that is used for this PointerTracker.
		@@ -169,6 +172,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
		private boolean mIsDetectingGesture = false; // per PointerTracker.
		private static boolean sInGesture = false;
		private static long sGestureFirstDownTime;
		private static long sLastBatchInputTime;
		private static long sLastLetterTypingUpTime;
		private static final InputPointers sAggregratedPointers = new InputPointers(
		GestureStroke.DEFAULT_CAPACITY);
		@@ -360,6 +364,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
		}
		// Even if the key is disabled, it should respond if it is in the altCodeWhileTyping state.
		if (key.isEnabled() \|\| altersCode) {
		sLastBatchInputTime = 0; // reset time
		if (code == Keyboard.CODE_OUTPUT_TEXT) {
		mListener.onTextInput(key.getOutputText());
		mTimerProxy.startGestureOffWhileFastTypingTimer();
		@@ -469,7 +474,15 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
		}
		}

		private void setPressedKeyGraphics(final Key key) {
		private static boolean needsToSuppressKeyPreviewPopup(final long eventTime) {
		if (!sShouldHandleGesture) return false;
		if (sLastBatchInputTime == 0) return false;
		final long elapsedTimeAfterTheLastBatchInput = eventTime - sLastBatchInputTime;
		return elapsedTimeAfterTheLastBatchInput
		< SUPPRESS_KEY_PREVIEW_AFTER_LAST_BATCH_INPUT_DURATION;
		}

		private void setPressedKeyGraphics(final Key key, final long eventTime) {
		if (key == null) {
		return;
		}
		@@ -481,7 +494,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
		return;
		}

		if (!key.noKeyPreview() && !sInGesture) {
		if (!key.noKeyPreview() && !sInGesture && !needsToSuppressKeyPreviewPopup(eventTime)) {
		mDrawingProxy.showKeyPreview(this);
		}
		updatePressKeyGraphics(key);
		@@ -596,7 +609,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
		mDrawingProxy.showGesturePreviewTrail(this, isOldestTracker);
		}

		private void mayEndBatchInput() {
		private void mayEndBatchInput(final long eventTime) {
		synchronized (sAggregratedPointers) {
		mGestureStrokeWithPreviewPoints.appendAllBatchPoints(sAggregratedPointers);
		mGestureStrokeWithPreviewPoints.reset();
		@@ -606,6 +619,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
		+ sAggregratedPointers.getPointerSize());
		}
		sInGesture = false;
		sLastBatchInputTime = eventTime;
		mListener.onEndBatchInput(sAggregratedPointers);
		clearBatchInputPointsOfAllPointerTrackers();
		}
		@@ -731,7 +745,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {

		startRepeatKey(key);
		startLongPressTimer(key);
		setPressedKeyGraphics(key);
		setPressedKeyGraphics(key, eventTime);
		}
		}

		@@ -809,7 +823,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
		}
		onMoveToNewKey(key, x, y);
		startLongPressTimer(key);
		setPressedKeyGraphics(key);
		setPressedKeyGraphics(key, eventTime);
		} else if (isMajorEnoughMoveToBeOnNewKey(x, y, key)) {
		// The pointer has been slid in to the new key from the previous key, we must call
		// onRelease() first to notify that the previous key has been released, then call
		@@ -828,7 +842,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
		}
		onMoveToNewKey(key, x, y);
		startLongPressTimer(key);
		setPressedKeyGraphics(key);
		setPressedKeyGraphics(key, eventTime);
		} else {
		// HACK: On some devices, quick successive touches may be translated to sudden
		// move by touch panel firmware. This hack detects the case and translates the
		@@ -939,7 +953,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
		if (currentKey != null) {
		callListenerOnRelease(currentKey, currentKey.mCode, true);
		}
		mayEndBatchInput();
		mayEndBatchInput(eventTime);
		return;
		}
		// This event will be recognized as a regular code input. Clear unused possible batch points