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am 0f6807bf: Merge "[HW7] Introduce consumed events" into lmp-dev

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* commit '0f6807bfb44ca82e224921af1f16f18cdaa8b4e1':
  [HW7] Introduce consumed events
This commit is contained in:
Jean Chalard 2014-07-30 16:57:59 +00:00 committed by Android Git Automerger
commit 14d985bdbd
5 changed files with 31 additions and 15 deletions
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2
java/src/com/android/inputmethod/event/CombinerChain.java
View file

@ -84,6 +84,8 @@ public class CombinerChain {
* Process an event through the combining chain, and return a processed event to apply.
* @param previousEvents the list of previous events in this composition
* @param newEvent the new event to process
* @return the processed event. It may be the same event, or a consumed event, or a completely
* new event. However it may never be null.
*/
public Event processEvent(final ArrayList<Event> previousEvents, final Event newEvent) {
final ArrayList<Event> modifiablePreviousEvents = new ArrayList<>(previousEvents);

3
java/src/com/android/inputmethod/event/DeadKeyCombiner.java
View file

@ -32,12 +32,11 @@ public class DeadKeyCombiner implements Combiner {
@Override
public Event processEvent(final ArrayList<Event> previousEvents, final Event event) {
if (null == event) return null; // Just in case some combiner is broken
if (TextUtils.isEmpty(mDeadSequence)) {
if (event.isDead()) {
mDeadSequence.appendCodePoint(event.mCodePoint);
}
return event;
return Event.createConsumedEvent(event);
} else {
// TODO: Allow combining for several dead chars rather than only the first one.
// The framework doesn't know how to do this now.

15
java/src/com/android/inputmethod/event/Event.java
View file

@ -67,6 +67,8 @@ public class Event {
final private static int FLAG_DEAD = 0x1;
// This event is coming from a key repeat, software or hardware.
final private static int FLAG_REPEAT = 0x2;
// This event has already been consumed.
final private static int FLAG_CONSUMED = 0x4;
final private int mEventType; // The type of event - one of the constants above
// The code point associated with the event, if relevant. This is a unicode code point, and
@ -219,6 +221,17 @@ public class Event {
null /* next */);
}
/**
* Creates an event identical to the passed event, but that has already been consumed.
* @param source the event to copy the properties of.
* @return an identical event marked as consumed.
*/
public static Event createConsumedEvent(final Event source) {
return new Event(source.mEventType, source.mText, source.mCodePoint, source.mKeyCode,
source.mX, source.mY, source.mSuggestedWordInfo, source.mFlags | FLAG_CONSUMED,
source.mNextEvent);
}
public static Event createNotHandledEvent() {
return new Event(EVENT_TYPE_NOT_HANDLED, null /* text */, NOT_A_CODE_POINT, NOT_A_KEY_CODE,
Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
@ -241,6 +254,8 @@ public class Event {
return 0 != (FLAG_REPEAT & mFlags);
}
public boolean isConsumed() { return 0 != (FLAG_CONSUMED & mFlags); }
// Returns whether this is a fake key press from the suggestion strip. This happens with
// punctuation signs selected from the suggestion strip.
public boolean isSuggestionStripPress() {

20
java/src/com/android/inputmethod/event/MyanmarReordering.java
View file

@ -111,7 +111,7 @@ public class MyanmarReordering implements Combiner {
* Clears the currently combining stream of events and returns the resulting software text
* event corresponding to the stream. Optionally adds a new event to the cleared stream.
* @param newEvent the new event to add to the stream. null if none.
* @return the resulting software text event. Null if none.
* @return the resulting software text event. Never null.
*/
private Event clearAndGetResultingEvent(final Event newEvent) {
final CharSequence combinedText;
@ -124,7 +124,7 @@ public class MyanmarReordering implements Combiner {
if (null != newEvent) {
mCurrentEvents.add(newEvent);
}
return null == combinedText ? null
return null == combinedText ? Event.createConsumedEvent(newEvent)
: Event.createSoftwareTextEvent(combinedText, Event.NOT_A_KEY_CODE);
}
@ -135,7 +135,7 @@ public class MyanmarReordering implements Combiner {
final Event lastEvent = getLastEvent();
if (null == lastEvent) {
mCurrentEvents.add(newEvent);
return null;
return Event.createConsumedEvent(newEvent);
} else if (isConsonantOrMedial(lastEvent.mCodePoint)) {
final Event resultingEvent = clearAndGetResultingEvent(null);
mCurrentEvents.add(Event.createSoftwareKeypressEvent(ZERO_WIDTH_NON_JOINER,
@ -151,7 +151,7 @@ public class MyanmarReordering implements Combiner {
final Event lastEvent = getLastEvent();
if (null == lastEvent) {
mCurrentEvents.add(newEvent);
return null;
return Event.createConsumedEvent(newEvent);
} else if (VOWEL_E == lastEvent.mCodePoint) {
final int eventSize = mCurrentEvents.size();
if (eventSize >= 2
@ -162,7 +162,7 @@ public class MyanmarReordering implements Combiner {
mCurrentEvents.remove(eventSize - 2);
mCurrentEvents.add(newEvent);
mCurrentEvents.add(lastEvent);
return null;
return Event.createConsumedEvent(newEvent);
}
// If there is already a consonant, then we are starting a new syllable.
for (int i = eventSize - 2; i >= 0; --i) {
@ -174,7 +174,7 @@ public class MyanmarReordering implements Combiner {
mCurrentEvents.remove(eventSize - 1);
mCurrentEvents.add(newEvent);
mCurrentEvents.add(lastEvent);
return null;
return Event.createConsumedEvent(newEvent);
} else { // lastCodePoint is a consonant/medial. But if it's something else it's fine
return clearAndGetResultingEvent(newEvent);
}
@ -182,7 +182,7 @@ public class MyanmarReordering implements Combiner {
final Event lastEvent = getLastEvent();
if (null == lastEvent) {
mCurrentEvents.add(newEvent);
return null;
return Event.createConsumedEvent(newEvent);
} else if (VOWEL_E == lastEvent.mCodePoint) {
final int eventSize = mCurrentEvents.size();
// If there is already a consonant, then we are in the middle of a syllable, and we
@ -198,7 +198,7 @@ public class MyanmarReordering implements Combiner {
mCurrentEvents.remove(eventSize - 1);
mCurrentEvents.add(newEvent);
mCurrentEvents.add(lastEvent);
return null;
return Event.createConsumedEvent(newEvent);
}
// Otherwise, we just commit everything.
return clearAndGetResultingEvent(null);
@ -228,10 +228,10 @@ public class MyanmarReordering implements Combiner {
mCurrentEvents.remove(eventSize - 1);
}
}
return null;
return Event.createConsumedEvent(newEvent);
} else if (eventSize > 0) {
mCurrentEvents.remove(eventSize - 1);
return null;
return Event.createConsumedEvent(newEvent);
}
}
}

6
java/src/com/android/inputmethod/latin/WordComposer.java
View file

@ -177,7 +177,7 @@ public final class WordComposer {
/**
* Process an event and return an event, and return a processed event to apply.
* @param event the unprocessed event.
* @return the processed event.
* @return the processed event. Never null, but may be marked as consumed.
*/
public Event processEvent(final Event event) {
final Event processedEvent = mCombinerChain.processEvent(mEvents, event);
@ -191,14 +191,14 @@ public final class WordComposer {
* All input events should be supported, including software/hardware events, characters as well
* as deletions, multiple inputs and gestures.
*
* @param event the event to apply.
* @param event the event to apply. Must not be null.
*/
public void applyProcessedEvent(final Event event) {
mCombinerChain.applyProcessedEvent(event);
final int primaryCode = event.mCodePoint;
final int keyX = event.mX;
final int keyY = event.mY;
final int newIndex = size();
mCombinerChain.applyProcessedEvent(event);
refreshTypedWordCache();
mCursorPositionWithinWord = mCodePointSize;
// We may have deleted the last one.