boolean checkCompositionQueueAndCallNative(String text, int newCursorPosition, boolean isCommit) {
if (mNativeImeAdapterAndroid == 0) return false;
// Committing an empty string finishes the current composition.
boolean isFinish = text.isEmpty();
mViewEmbedder.onImeEvent(isFinish);
int keyCode = shouldSendKeyEventWithKeyCode(text);
long timeStampMs = System.currentTimeMillis();
if (keyCode != COMPOSITION_KEY_CODE) {
sendKeyEventWithKeyCode(keyCode, KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE);
} else {
nativeSendSyntheticKeyEvent(
mNativeImeAdapterAndroid, sEventTypeRawKeyDown, timeStampMs, keyCode, 0);
if (isCommit) {
nativeCommitText(mNativeImeAdapterAndroid, text);
} else {
nativeSetComposingText(mNativeImeAdapterAndroid, text, newCursorPosition);
}
nativeSendSyntheticKeyEvent(
mNativeImeAdapterAndroid, sEventTypeKeyUp, timeStampMs, keyCode, 0);
}
return true;
}
/** @see BaseInputConnection#performEditorAction(int) */
@Override
public boolean performEditorAction(int actionCode) {
if (DEBUG) Log.w(TAG, "performEditorAction [" + actionCode + "]");
if (actionCode == EditorInfo.IME_ACTION_NEXT) {
restartInput();
// Send TAB key event
long timeStampMs = SystemClock.uptimeMillis();
mImeAdapter.sendSyntheticKeyEvent(
WebInputEventType.RawKeyDown, timeStampMs, KeyEvent.KEYCODE_TAB, 0, 0);
} else {
mImeAdapter.sendKeyEventWithKeyCode(
KeyEvent.KEYCODE_ENTER,
KeyEvent.FLAG_SOFT_KEYBOARD
| KeyEvent.FLAG_KEEP_TOUCH_MODE
| KeyEvent.FLAG_EDITOR_ACTION);
}
return true;
}
private boolean deleteSurroundingTextImpl(
int beforeLength, int afterLength, boolean fromPhysicalKey) {
if (DEBUG) {
Log.w(
TAG,
"deleteSurroundingText ["
+ beforeLength
+ " "
+ afterLength
+ " "
+ fromPhysicalKey
+ "]");
}
if (mPendingAccent != 0) {
finishComposingText();
}
int originalBeforeLength = beforeLength;
int originalAfterLength = afterLength;
int selectionStart = Selection.getSelectionStart(mEditable);
int selectionEnd = Selection.getSelectionEnd(mEditable);
int availableBefore = selectionStart;
int availableAfter = mEditable.length() - selectionEnd;
beforeLength = Math.min(beforeLength, availableBefore);
afterLength = Math.min(afterLength, availableAfter);
// Adjust these values even before calling super.deleteSurroundingText() to be consistent
// with the super class.
if (isIndexBetweenUtf16SurrogatePair(mEditable, selectionStart - beforeLength)) {
beforeLength += 1;
}
if (isIndexBetweenUtf16SurrogatePair(mEditable, selectionEnd + afterLength)) {
afterLength += 1;
}
super.deleteSurroundingText(beforeLength, afterLength);
updateSelectionIfRequired();
// If this was called due to a physical key, no need to generate a key event here as
// the caller will take care of forwarding the original.
if (fromPhysicalKey) {
return true;
}
// For single-char deletion calls |ImeAdapter.sendKeyEventWithKeyCode| with the real key
// code. For multi-character deletion, executes deletion by calling
// |ImeAdapter.deleteSurroundingText| and sends synthetic key events with a dummy key code.
int keyCode = KeyEvent.KEYCODE_UNKNOWN;
if (originalBeforeLength == 1 && originalAfterLength == 0) {
keyCode = KeyEvent.KEYCODE_DEL;
} else if (originalBeforeLength == 0 && originalAfterLength == 1) {
keyCode = KeyEvent.KEYCODE_FORWARD_DEL;
}
boolean result = true;
if (keyCode == KeyEvent.KEYCODE_UNKNOWN) {
result =
mImeAdapter.sendSyntheticKeyEvent(
WebInputEventType.RawKeyDown, SystemClock.uptimeMillis(), keyCode, 0, 0);
result &= mImeAdapter.deleteSurroundingText(beforeLength, afterLength);
result &=
mImeAdapter.sendSyntheticKeyEvent(
WebInputEventType.KeyUp, SystemClock.uptimeMillis(), keyCode, 0, 0);
} else {
mImeAdapter.sendKeyEventWithKeyCode(
keyCode, KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE);
}
return result;
}