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Use private lock object instead of synchronized method 

Change-Id: Ifc62bacbd0583a7d102009681a94bdd9ccff7d47
main
Tadashi G. Takaoka 2013-04-10 18:27:11 +09:00
parent 99b93d17d5
commit ce811f50d2
1 changed files with 31 additions and 22 deletions
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19
java/src/com/android/inputmethod/latin/LatinIME.java
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@ -1551,7 +1551,8 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
private static final class BatchInputUpdater implements Handler.Callback { private static final class BatchInputUpdater implements Handler.Callback {
private final Handler mHandler; private final Handler mHandler;
private LatinIME mLatinIme; private LatinIME mLatinIme;
private boolean mInBatchInput; // synchronized using "this". private final Object mLock = new Object();
private boolean mInBatchInput; // synchronized using {@link #mLock}.
private BatchInputUpdater() { private BatchInputUpdater() {
final HandlerThread handlerThread = new HandlerThread( final HandlerThread handlerThread = new HandlerThread(
@ -1582,14 +1583,17 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
} }
// Run in the UI thread. // Run in the UI thread.
public synchronized void onStartBatchInput(final LatinIME latinIme) { public void onStartBatchInput(final LatinIME latinIme) {
synchronized (mLock) {
mHandler.removeMessages(MSG_UPDATE_GESTURE_PREVIEW_AND_SUGGESTION_STRIP); mHandler.removeMessages(MSG_UPDATE_GESTURE_PREVIEW_AND_SUGGESTION_STRIP);
mLatinIme = latinIme; mLatinIme = latinIme;
mInBatchInput = true; mInBatchInput = true;
} }
}
// Run in the Handler thread. // Run in the Handler thread.
private synchronized void updateBatchInput(final InputPointers batchPointers) { private void updateBatchInput(final InputPointers batchPointers) {
synchronized (mLock) {
if (!mInBatchInput) { if (!mInBatchInput) {
// Batch input has ended or canceled while the message was being delivered. // Batch input has ended or canceled while the message was being delivered.
return; return;
@ -1598,6 +1602,7 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
mLatinIme.mHandler.showGesturePreviewAndSuggestionStrip( mLatinIme.mHandler.showGesturePreviewAndSuggestionStrip(
suggestedWords, false /* dismissGestureFloatingPreviewText */); suggestedWords, false /* dismissGestureFloatingPreviewText */);
} }
}
// Run in the UI thread. // Run in the UI thread.
public void onUpdateBatchInput(final InputPointers batchPointers) { public void onUpdateBatchInput(final InputPointers batchPointers) {
@ -1609,20 +1614,24 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
.sendToTarget(); .sendToTarget();
} }
public synchronized void onCancelBatchInput() { public void onCancelBatchInput() {
synchronized (mLock) {
mInBatchInput = false; mInBatchInput = false;
mLatinIme.mHandler.showGesturePreviewAndSuggestionStrip( mLatinIme.mHandler.showGesturePreviewAndSuggestionStrip(
SuggestedWords.EMPTY, true /* dismissGestureFloatingPreviewText */); SuggestedWords.EMPTY, true /* dismissGestureFloatingPreviewText */);
} }
}
// Run in the UI thread. // Run in the UI thread.
public synchronized SuggestedWords onEndBatchInput(final InputPointers batchPointers) { public SuggestedWords onEndBatchInput(final InputPointers batchPointers) {
synchronized (mLock) {
mInBatchInput = false; mInBatchInput = false;
final SuggestedWords suggestedWords = getSuggestedWordsGestureLocked(batchPointers); final SuggestedWords suggestedWords = getSuggestedWordsGestureLocked(batchPointers);
mLatinIme.mHandler.showGesturePreviewAndSuggestionStrip( mLatinIme.mHandler.showGesturePreviewAndSuggestionStrip(
suggestedWords, true /* dismissGestureFloatingPreviewText */); suggestedWords, true /* dismissGestureFloatingPreviewText */);
return suggestedWords; return suggestedWords;
} }
}
// {@link LatinIME#getSuggestedWords(int)} method calls with same session id have to // {@link LatinIME#getSuggestedWords(int)} method calls with same session id have to
// be synchronized. // be synchronized.