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Fix potential keyboard layout change bug

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Change-Id: I2518dd1d2ef4b77fe32bb1fed4e0c722f3d120c1
This commit is contained in:
Tadashi G. Takaoka 2010-12-30 16:51:36 +09:00
parent 5797cefca6
commit 1a6fba5702
2 changed files with 27 additions and 14 deletions
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37
java/src/com/android/inputmethod/keyboard/PointerTracker.java
View file

@ -65,6 +65,9 @@ public class PointerTracker {
private final PointerTrackerKeyState mKeyState;
// true if keyboard layout has been changed.
private boolean mKeyboardLayoutHasBeenChanged;
// true if event is already translated to a key action (long press or mini-keyboard)
private boolean mKeyAlreadyProcessed;
@ -122,10 +125,14 @@ public class PointerTracker {
mListener = listener;
}
private void callListenerOnPress(int primaryCode) {
// Returns true if keyboard has been changed by this callback.
private boolean callListenerOnPressAndCheckKeyboardLayoutChange(int primaryCode) {
if (DEBUG_LISTENER)
Log.d(TAG, "onPress : " + keyCodePrintable(primaryCode));
mListener.onPress(primaryCode);
final boolean keyboardLayoutHasBeenChanged = mKeyboardLayoutHasBeenChanged;
mKeyboardLayoutHasBeenChanged = false;
return keyboardLayoutHasBeenChanged;
}
private void callListenerOnCodeInput(int primaryCode, int[] keyCodes, int x, int y) {
@ -159,8 +166,8 @@ public class PointerTracker {
mKeyboard = keyboard;
mKeys = keys;
mKeyHysteresisDistanceSquared = (int)(keyHysteresisDistance * keyHysteresisDistance);
// Update current key index because keyboard layout has been changed.
mKeyState.onSetKeyboard();
// Mark that keyboard layout has been changed.
mKeyboardLayoutHasBeenChanged = true;
}
public boolean isInSlidingKeyInput() {
@ -296,14 +303,16 @@ public class PointerTracker {
// from modifier key, or 3) this pointer is on mini-keyboard.
mIsAllowedSlidingKeyInput = mConfigSlidingKeyInputEnabled || isModifierInternal(keyIndex)
|| mKeyDetector instanceof MiniKeyboardKeyDetector;
mKeyboardLayoutHasBeenChanged = false;
mKeyAlreadyProcessed = false;
mIsRepeatableKey = false;
mIsInSlidingKeyInput = false;
if (isValidKeyIndex(keyIndex)) {
callListenerOnPress(mKeys[keyIndex].mCode);
// This onPress call may have changed keyboard layout and have updated mKeyIndex.
// If that's the case, mKeyIndex has been updated in setKeyboard().
keyIndex = mKeyState.getKeyIndex();
// This onPress call may have changed keyboard layout. Those cases are detected at
// {@link #setKeyboard}. In those cases, we should update keyIndex according to the new
// keyboard layout.
if (callListenerOnPressAndCheckKeyboardLayoutChange(mKeys[keyIndex].mCode))
keyIndex = mKeyState.onDownKey(x, y, eventTime);
}
if (isValidKeyIndex(keyIndex)) {
if (mKeys[keyIndex].mRepeatable) {
@ -327,13 +336,17 @@ public class PointerTracker {
// TODO: down-to-up filter, if (eventTime-downTime) is less than threshold, just ignore
// this move event. Otherwise fire {@link onDownEventInternal} and continue.
final int keyIndex = keyState.onMoveKey(x, y);
int keyIndex = keyState.onMoveKey(x, y);
final Key oldKey = getKey(keyState.getKeyIndex());
if (isValidKeyIndex(keyIndex)) {
if (oldKey == null) {
// The pointer has been slid in to the new key, but the finger was not on any keys.
// In this case, we must call onPress() to notify that the new key is being pressed.
callListenerOnPress(getKey(keyIndex).mCode);
// This onPress call may have changed keyboard layout. Those cases are detected at
// {@link #setKeyboard}. In those cases, we should update keyIndex according to the
// new keyboard layout.
if (callListenerOnPressAndCheckKeyboardLayoutChange(getKey(keyIndex).mCode))
keyIndex = keyState.onMoveKey(x, y);
keyState.onMoveToNewKey(keyIndex, x, y);
startLongPressTimer(keyIndex);
} else if (!isMinorMoveBounce(x, y, keyIndex)) {
@ -344,7 +357,11 @@ public class PointerTracker {
callListenerOnRelease(oldKey.mCode);
mHandler.cancelLongPressTimers();
if (mIsAllowedSlidingKeyInput) {
callListenerOnPress(getKey(keyIndex).mCode);
// This onPress call may have changed keyboard layout. Those cases are detected
// at {@link #setKeyboard}. In those cases, we should update keyIndex according
// to the new keyboard layout.
if (callListenerOnPressAndCheckKeyboardLayoutChange(getKey(keyIndex).mCode))
keyIndex = keyState.onMoveKey(x, y);
keyState.onMoveToNewKey(keyIndex, x, y);
startLongPressTimer(keyIndex);
} else {

4
java/src/com/android/inputmethod/keyboard/PointerTrackerKeyState.java
View file

@ -106,8 +106,4 @@ package com.android.inputmethod.keyboard;
mUpTime = eventTime;
return onMoveKeyInternal(x, y);
}
public void onSetKeyboard() {
mKeyIndex = mKeyDetector.getKeyIndexAndNearbyCodes(mKeyX, mKeyY, null);
}
}