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Cosmetic change to PointerTracker

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* Add final to parameters and locals
* Add curly bracket around single statement if-block

Change-Id: I9f3b23f7145e6b1d6ef806d991ed71ebc63311ff
This commit is contained in:
Tadashi G. Takaoka 2012-08-23 15:14:46 +09:00
parent b5ace11a2e
commit 694ccb5ba1
1 changed files with 68 additions and 54 deletions
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122
java/src/com/android/inputmethod/keyboard/PointerTracker.java
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@ -196,7 +196,7 @@ public class PointerTracker implements PointerTrackerQueue.Element {
setParameters(MainKeyboardView.PointerTrackerParams.DEFAULT);
}
public static void setParameters(MainKeyboardView.PointerTrackerParams params) {
public static void setParameters(final MainKeyboardView.PointerTrackerParams params) {
sParams = params;
sTouchNoiseThresholdDistanceSquared = (int)(
params.mTouchNoiseThresholdDistance * params.mTouchNoiseThresholdDistance);
@ -210,17 +210,17 @@ 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 +236,7 @@ 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 +244,7 @@ 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 +298,10 @@ 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 +311,7 @@ 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 +336,8 @@ 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 +366,8 @@ 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 +390,16 @@ 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 +429,11 @@ 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 +464,7 @@ public class PointerTracker implements PointerTrackerQueue.Element {
}
}
private void setPressedKeyGraphics(Key key) {
private void setPressedKeyGraphics(final Key key) {
if (key == null) {
return;
}
@ -499,17 +503,17 @@ 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 +531,22 @@ 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 +561,14 @@ 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 +589,7 @@ 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 +599,8 @@ 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 +619,11 @@ 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();
@ -665,7 +671,7 @@ 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 +696,15 @@ 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 +723,13 @@ 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.
@ -841,9 +849,10 @@ 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 +874,10 @@ 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 +908,15 @@ 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 +932,10 @@ 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 +955,25 @@ 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 +984,25 @@ 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,