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am a1b7f66e: Merge "Implement backspace in the current cluster for Myanmar"

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* commit 'a1b7f66eb241069006c6e0d9bd609de10ec7c5da':
  Implement backspace in the current cluster for Myanmar
This commit is contained in:
Jean Chalard 2014-05-14 07:21:44 +00:00 committed by Android Git Automerger
commit f65fbea795
1 changed files with 27 additions and 3 deletions
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28
java/src/com/android/inputmethod/event/MyanmarReordering.java
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@ -207,9 +207,33 @@ public class MyanmarReordering implements Combiner {
return clearAndGetResultingEvent(newEvent);
}
} else if (Constants.CODE_DELETE == newEvent.mKeyCode) {
if (mCurrentEvents.size() > 0) {
mCurrentEvents.remove(mCurrentEvents.size() - 1);
final Event lastEvent = getLastEvent();
final int eventSize = mCurrentEvents.size();
if (null != lastEvent) {
if (VOWEL_E == lastEvent.mCodePoint) {
// We have a VOWEL_E at the end. There are four cases.
// - The vowel is the only code point in the buffer. Remove it.
// - The vowel is preceded by a ZWNJ. Remove both vowel E and ZWNJ.
// - The vowel is preceded by a consonant/medial, remove the consonant/medial.
// - In all other cases, it's strange, so just remove the last code point.
if (eventSize <= 1) {
mCurrentEvents.clear();
} else { // eventSize >= 2
final int previousCodePoint = mCurrentEvents.get(eventSize - 2).mCodePoint;
if (previousCodePoint == ZERO_WIDTH_NON_JOINER) {
mCurrentEvents.remove(eventSize - 1);
mCurrentEvents.remove(eventSize - 2);
} else if (isConsonantOrMedial(previousCodePoint)) {
mCurrentEvents.remove(eventSize - 2);
} else {
mCurrentEvents.remove(eventSize - 1);
}
}
return null;
} else if (eventSize > 0) {
mCurrentEvents.remove(eventSize - 1);
return null;
}
}
}
// This character is not part of the combining scheme, so we should reset everything.