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handleBackspace should always send KEYCODE_DEL for InputType.TYPE_NULL 

This is a fix only for the Bayo branch because this part in master has
been changed.

The corresponding fix in master is I295eeb5f9f0f1f07e919bf54122d003be150a174

bug: 11797053
Change-Id: I779be039ebf992de5d246c7a9d9509623fc3c120
main
Ken Wakasa 2013-11-21 17:13:02 +09:00
parent b4cc0ae075
commit 87cd39124a
1 changed files with 20 additions and 29 deletions
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49
java/src/com/android/inputmethod/latin/LatinIME.java
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@ -2163,26 +2163,12 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
// later (typically, in a subsequent press on backspace).
mLastSelectionEnd = mLastSelectionStart;
mConnection.deleteSurroundingText(numCharsDeleted, 0);
if (ProductionFlag.USES_DEVELOPMENT_ONLY_DIAGNOSTICS) {
ResearchLogger.latinIME_handleBackspace(numCharsDeleted,
false /* shouldUncommitLogUnit */);
}
} else {
// There is no selection, just delete one character.
if (NOT_A_CURSOR_POSITION == mLastSelectionEnd) {
// This should never happen.
Log.e(TAG, "Backspace when we don't know the selection position");
}
final int codePointBeforeCursor = mConnection.getCodePointBeforeCursor();
if (codePointBeforeCursor == Constants.NOT_A_CODE) {
// Nothing to delete before the cursor. We have to revert the deletion states
// that were updated at the beginning of this method.
mDeleteCount--;
mExpectingUpdateSelection = false;
return;
}
final int lengthToDelete =
Character.isSupplementaryCodePoint(codePointBeforeCursor) ? 2 : 1;
if (mAppWorkAroundsUtils.isBeforeJellyBean() ||
currentSettings.mInputAttributes.isTypeNull()) {
// There are two possible reasons to send a key event: either the field has
@ -2193,23 +2179,28 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
// applications are relying on this behavior so we continue to support it for
// older apps, so we retain this behavior if the app has target SDK < JellyBean.
sendDownUpKeyEvent(KeyEvent.KEYCODE_DEL);
if (mDeleteCount > DELETE_ACCELERATE_AT) {
sendDownUpKeyEvent(KeyEvent.KEYCODE_DEL);
}
} else {
final int codePointBeforeCursor = mConnection.getCodePointBeforeCursor();
if (codePointBeforeCursor == Constants.NOT_A_CODE) {
// Nothing to delete before the cursor. We have to revert the deletion
// states that were updated at the beginning of this method.
mDeleteCount--;
mExpectingUpdateSelection = false;
return;
}
final int lengthToDelete =
Character.isSupplementaryCodePoint(codePointBeforeCursor) ? 2 : 1;
mConnection.deleteSurroundingText(lengthToDelete, 0);
}
if (ProductionFlag.USES_DEVELOPMENT_ONLY_DIAGNOSTICS) {
ResearchLogger.latinIME_handleBackspace(lengthToDelete,
true /* shouldUncommitLogUnit */);
}
if (mDeleteCount > DELETE_ACCELERATE_AT) {
final int codePointBeforeCursorToDeleteAgain =
mConnection.getCodePointBeforeCursor();
if (codePointBeforeCursorToDeleteAgain != Constants.NOT_A_CODE) {
final int lengthToDeleteAgain = Character.isSupplementaryCodePoint(
codePointBeforeCursorToDeleteAgain) ? 2 : 1;
mConnection.deleteSurroundingText(lengthToDeleteAgain, 0);
if (ProductionFlag.USES_DEVELOPMENT_ONLY_DIAGNOSTICS) {
ResearchLogger.latinIME_handleBackspace(lengthToDeleteAgain,
true /* shouldUncommitLogUnit */);
if (mDeleteCount > DELETE_ACCELERATE_AT) {
final int codePointBeforeCursorToDeleteAgain =
mConnection.getCodePointBeforeCursor();
if (codePointBeforeCursorToDeleteAgain != Constants.NOT_A_CODE) {
final int lengthToDeleteAgain = Character.isSupplementaryCodePoint(
codePointBeforeCursorToDeleteAgain) ? 2 : 1;
mConnection.deleteSurroundingText(lengthToDeleteAgain, 0);
}
}
}