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Clean up batch input related code a bit

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Change-Id: I3b6a95fdb82bd15e2b636b1374a96d8987d5d8cf
This commit is contained in:
Tadashi G. Takaoka 2013-12-20 17:20:52 +09:00
parent aa7a68a3e0
commit 904866c701
1 changed files with 60 additions and 54 deletions
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114
java/src/com/android/inputmethod/keyboard/PointerTracker.java
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@ -576,40 +576,29 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
return sPointerTrackerQueue.getOldestElement() == this;
}
private void mayStartBatchInput(final Key key) {
if (sInGesture || !mGestureStrokeWithPreviewPoints.isStartOfAGesture()) {
return;
}
if (key == null || !Character.isLetter(key.getCode())) {
return;
/**
* Determines whether the batch input has started or not.
* @return true if the batch input has started successfully.
*/
private boolean mayStartBatchInput() {
if (!mGestureStrokeWithPreviewPoints.isStartOfAGesture()) {
return false;
}
if (DEBUG_LISTENER) {
Log.d(TAG, String.format("[%d] onStartBatchInput", mPointerId));
}
sInGesture = true;
synchronized (sAggregatedPointers) {
sAggregatedPointers.reset();
sLastRecognitionPointSize = 0;
sLastRecognitionTime = 0;
sListener.onStartBatchInput();
dismissAllMoreKeysPanels();
sTimerProxy.cancelLongPressTimerOf(this);
}
sTimerProxy.cancelLongPressTimerOf(this);
// A gesture floating preview text will be shown at the oldest pointer/finger on the screen.
sDrawingProxy.showGestureTrail(
this, isOldestTrackerInQueue() /* showsFloatingPreviewText */);
return true;
}
public void updateBatchInputByTimer(final long eventTime) {
final int gestureTime = (int)(eventTime - sGestureFirstDownTime);
mGestureStrokeWithPreviewPoints.duplicateLastPointWith(gestureTime);
updateBatchInput(eventTime);
}
private void mayUpdateBatchInput(final long eventTime, final Key key) {
if (key != null) {
updateBatchInput(eventTime);
}
private void showGestureTrail() {
if (mIsTrackingForActionDisabled) {
return;
}
@ -618,13 +607,19 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
this, isOldestTrackerInQueue() /* showsFloatingPreviewText */);
}
private void updateBatchInput(final long eventTime) {
public void updateBatchInputByTimer(final long syntheticMoveEventTime) {
final int gestureTime = (int)(syntheticMoveEventTime - sGestureFirstDownTime);
mGestureStrokeWithPreviewPoints.duplicateLastPointWith(gestureTime);
updateBatchInput(syntheticMoveEventTime);
}
private void updateBatchInput(final long moveEventTime) {
synchronized (sAggregatedPointers) {
final GestureStroke stroke = mGestureStrokeWithPreviewPoints;
stroke.appendIncrementalBatchPoints(sAggregatedPointers);
final int size = sAggregatedPointers.getPointerSize();
if (size > sLastRecognitionPointSize
&& stroke.hasRecognitionTimePast(eventTime, sLastRecognitionTime)) {
&& stroke.hasRecognitionTimePast(moveEventTime, sLastRecognitionTime)) {
if (DEBUG_LISTENER) {
Log.d(TAG, String.format("[%d] onUpdateBatchInput: batchPoints=%d", mPointerId,
size));
@ -634,17 +629,23 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
// The listener may change the size of the pointers (when auto-committing
// for example), so we need to get the size from the pointers again.
sLastRecognitionPointSize = sAggregatedPointers.getPointerSize();
sLastRecognitionTime = eventTime;
sLastRecognitionTime = moveEventTime;
}
}
}
private void mayEndBatchInput(final long eventTime) {
/**
* Determines whether the batch input has ended successfully or continues.
* @param upEventTime the event time of this pointer up.
* @return true if the batch input has ended successfully, false if it continues.
*/
private boolean mayEndBatchInput(final long upEventTime) {
boolean hasEndBatchInputSuccessfully = false;
synchronized (sAggregatedPointers) {
mGestureStrokeWithPreviewPoints.appendAllBatchPoints(sAggregatedPointers);
if (getActivePointerTrackerCount() == 1) {
sInGesture = false;
sTypingTimeRecorder.onEndBatchInput(eventTime);
hasEndBatchInputSuccessfully = true;
sTypingTimeRecorder.onEndBatchInput(upEventTime);
sTimerProxy.cancelAllUpdateBatchInputTimers();
if (!mIsTrackingForActionDisabled) {
if (DEBUG_LISTENER) {
@ -655,12 +656,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
}
}
}
if (mIsTrackingForActionDisabled) {
return;
}
// A gesture floating preview text will be shown at the oldest pointer/finger on the screen.
sDrawingProxy.showGestureTrail(
this, isOldestTrackerInQueue() /* showsFloatingPreviewText */);
return hasEndBatchInputSuccessfully;
}
private void cancelBatchInput() {
@ -815,28 +811,35 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
private void onGestureMoveEvent(final int x, final int y, final long eventTime,
final boolean isMajorEvent, final Key key) {
if (!mIsDetectingGesture) {
return;
}
final int beforeLength = mGestureStrokeWithPreviewPoints.getLength();
final int gestureTime = (int)(eventTime - sGestureFirstDownTime);
if (mIsDetectingGesture) {
final int beforeLength = mGestureStrokeWithPreviewPoints.getLength();
final boolean onValidArea = mGestureStrokeWithPreviewPoints.addPointOnKeyboard(
x, y, gestureTime, isMajorEvent);
if (mGestureStrokeWithPreviewPoints.getLength() > beforeLength) {
sTimerProxy.startUpdateBatchInputTimer(this);
}
// If the move event goes out from valid batch input area, cancel batch input.
if (!onValidArea) {
cancelBatchInput();
return;
}
// If the MoreKeysPanel is showing then do not attempt to enter gesture mode. However,
// the gestured touch points are still being recorded in case the panel is dismissed.
if (isShowingMoreKeysPanel()) {
return;
}
mayStartBatchInput(key);
if (sInGesture) {
mayUpdateBatchInput(eventTime, key);
final boolean onValidArea = mGestureStrokeWithPreviewPoints.addPointOnKeyboard(
x, y, gestureTime, isMajorEvent);
if (mGestureStrokeWithPreviewPoints.getLength() > beforeLength) {
sTimerProxy.startUpdateBatchInputTimer(this);
}
// If the move event goes out from valid batch input area, cancel batch input.
if (!onValidArea) {
cancelBatchInput();
return;
}
// If the MoreKeysPanel is showing then do not attempt to enter gesture mode. However,
// the gestured touch points are still being recorded in case the panel is dismissed.
if (isShowingMoreKeysPanel()) {
return;
}
if (!sInGesture && key != null && Character.isLetter(key.getCode())
&& mayStartBatchInput()) {
sInGesture = true;
}
if (sInGesture) {
if (key != null) {
updateBatchInput(eventTime);
}
showGestureTrail();
}
}
@ -1087,7 +1090,10 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
if (currentKey != null) {
callListenerOnRelease(currentKey, currentKey.getCode(), true /* withSliding */);
}
mayEndBatchInput(eventTime);
if (mayEndBatchInput(eventTime)) {
sInGesture = false;
}
showGestureTrail();
return;
}