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Merge "KeyboardState keeps track of isAlphabetMode and isSymbolShifted"

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This commit is contained in:
Tadashi G. Takaoka 2011-12-09 00:43:18 -08:00 committed by Android (Google) Code Review
commit 1cc046775d
2 changed files with 70 additions and 71 deletions
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37
java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
View file

@ -147,7 +147,7 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions,
public void saveKeyboardState() {
if (mCurrentId != null) {
mState.onSaveKeyboardState(isAlphabetMode(), isSymbolShifted());
mState.onSaveKeyboardState();
}
}
@ -278,9 +278,8 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions,
return mCurrentId != null ? mCurrentId.mMode : KeyboardId.MODE_TEXT;
}
// TODO: Delegate to KeyboardState
public boolean isAlphabetMode() {
return mCurrentId != null && mCurrentId.isAlphabetKeyboard();
return mState.isAlphabetMode();
}
public boolean isInputViewShown() {
@ -354,44 +353,44 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions,
* Toggle keyboard shift state triggered by user touch event.
*/
public void toggleShift() {
mState.onToggleShift(isAlphabetMode(), isSymbolShifted());
mState.onToggleShift();
}
/**
* Toggle caps lock state triggered by user touch event.
*/
public void toggleCapsLock() {
mState.onToggleCapsLock(isAlphabetMode());
mState.onToggleCapsLock();
}
/**
* Toggle between alphabet and symbols modes triggered by user touch event.
*/
public void toggleAlphabetAndSymbols() {
mState.onToggleAlphabetAndSymbols(isAlphabetMode());
mState.onToggleAlphabetAndSymbols();
}
/**
* Update keyboard shift state triggered by connected EditText status change.
*/
public void updateShiftState() {
mState.onUpdateShiftState(isAlphabetMode(), mInputMethodService.getCurrentAutoCapsState());
mState.onUpdateShiftState(mInputMethodService.getCurrentAutoCapsState());
}
public void onPressShift(boolean withSliding) {
mState.onPressShift(isAlphabetMode(), isSymbolShifted(), withSliding);
mState.onPressShift(withSliding);
}
public void onReleaseShift(boolean withSliding) {
mState.onReleaseShift(isAlphabetMode(), isSymbolShifted(), withSliding);
mState.onReleaseShift(withSliding);
}
public void onPressSymbol() {
mState.onPressSymbol(isAlphabetMode());
mState.onPressSymbol();
}
public void onReleaseSymbol() {
mState.onReleaseSymbol(isAlphabetMode());
mState.onReleaseSymbol();
}
public void onOtherKeyPressed() {
@ -399,7 +398,7 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions,
}
public void onCancelInput() {
mState.onCancelInput(isAlphabetMode(), isSymbolShifted(), isSinglePointer());
mState.onCancelInput(isSinglePointer());
}
// Implements {@link KeyboardState.SwitchActions}.
@ -414,11 +413,6 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions,
setKeyboard(getKeyboard(mMainKeyboardId));
}
// TODO: Remove this method
private boolean isSymbolShifted() {
return mCurrentId != null && mCurrentId.equals(mSymbolsShiftedKeyboardId);
}
// Implements {@link KeyboardState.SwitchActions}.
@Override
public void setSymbolsShiftedKeyboard() {
@ -445,7 +439,7 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions,
* Updates state machine to figure out when to automatically snap back to the previous mode.
*/
public void onCodeInput(int code) {
mState.onCodeInput(isAlphabetMode(), isSymbolShifted(), code, isSinglePointer());
mState.onCodeInput(code, isSinglePointer());
}
public LatinKeyboardView getKeyboardView() {
@ -495,13 +489,14 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions,
}
private void postSetInputView(final View newInputView) {
mInputMethodService.mHandler.post(new Runnable() {
final LatinIME latinIme = mInputMethodService;
latinIme.mHandler.post(new Runnable() {
@Override
public void run() {
if (newInputView != null) {
mInputMethodService.setInputView(newInputView);
latinIme.setInputView(newInputView);
}
mInputMethodService.updateInputViewShown();
latinIme.updateInputViewShown();
}
});
}

104
java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java
View file

@ -26,7 +26,12 @@ import com.android.inputmethod.keyboard.Keyboard;
* Keyboard state machine.
*
* This class contains all keyboard state transition logic.
* TODO: List up input events and actions.
* The input events are {@link #onLoadKeyboard(String, boolean)}, {@link #onSaveKeyboardState()},
* {@link #onPressShift(boolean)}, {@link #onReleaseShift(boolean)}, {@link #onPressSymbol()},
* {@link #onReleaseSymbol()}, {@link #onOtherKeyPressed()}, {@link #onCodeInput(int, boolean)},
* {@link #onCancelInput(boolean)}, {@link #onUpdateShiftState(boolean)}, {@link #onToggleShift()},
* {@link #onToggleCapsLock()}, and {@link #onToggleAlphabetAndSymbols()}.
* The actions are {@link SwitchActions}'s methods.
*/
public class KeyboardState {
private static final String TAG = KeyboardState.class.getSimpleName();
@ -63,10 +68,13 @@ public class KeyboardState {
private final SwitchActions mSwitchActions;
private boolean mIsAlphabetMode;
private boolean mIsSymbolShifted;
private final SavedKeyboardState mSavedKeyboardState = new SavedKeyboardState();
private boolean mPrevMainKeyboardWasShiftLocked;
private static class SavedKeyboardState {
static class SavedKeyboardState {
public boolean mIsValid;
public boolean mIsAlphabetMode;
public boolean mIsShiftLocked;
@ -91,16 +99,15 @@ public class KeyboardState {
onRestoreKeyboardState();
}
// TODO: Get rid of isAlphabetMode and isSymbolShifted arguments.
public void onSaveKeyboardState(boolean isAlphabetMode, boolean isSymbolShifted) {
public void onSaveKeyboardState() {
final SavedKeyboardState state = mSavedKeyboardState;
state.mIsAlphabetMode = isAlphabetMode;
if (isAlphabetMode) {
state.mIsAlphabetMode = mIsAlphabetMode;
if (mIsAlphabetMode) {
state.mIsShiftLocked = isShiftLocked();
state.mIsShifted = !state.mIsShiftLocked && isShiftedOrShiftLocked();
} else {
state.mIsShiftLocked = false;
state.mIsShifted = isSymbolShifted;
state.mIsShifted = mIsSymbolShifted;
}
state.mIsValid = true;
if (DEBUG_STATE) {
@ -137,6 +144,10 @@ public class KeyboardState {
}
}
public boolean isAlphabetMode() {
return mIsAlphabetMode;
}
public boolean isShiftLocked() {
return mKeyboardShiftState.isShiftLocked();
}
@ -190,16 +201,16 @@ public class KeyboardState {
mSwitchActions.setShiftLocked(shiftLocked);
}
private void toggleAlphabetAndSymbols(boolean isAlphabetMode) {
if (isAlphabetMode) {
private void toggleAlphabetAndSymbols() {
if (mIsAlphabetMode) {
setSymbolsKeyboard();
} else {
setAlphabetKeyboard();
}
}
private void toggleShiftInSymbols(boolean isSymbolShifted) {
if (isSymbolShifted) {
private void toggleShiftInSymbols() {
if (mIsSymbolShifted) {
setSymbolsKeyboard();
} else {
setSymbolsShiftedKeyboard();
@ -211,6 +222,8 @@ public class KeyboardState {
Log.d(TAG, "setAlphabetKeyboard");
}
mSwitchActions.setAlphabetKeyboard();
mIsAlphabetMode = true;
mIsSymbolShifted = false;
mSwitchState = SWITCH_STATE_ALPHA;
setShiftLocked(mPrevMainKeyboardWasShiftLocked);
mPrevMainKeyboardWasShiftLocked = false;
@ -222,6 +235,8 @@ public class KeyboardState {
}
mPrevMainKeyboardWasShiftLocked = isShiftLocked();
mSwitchActions.setSymbolsKeyboard();
mIsAlphabetMode = false;
mIsSymbolShifted = false;
mSwitchState = SWITCH_STATE_SYMBOL_BEGIN;
}
@ -230,28 +245,28 @@ public class KeyboardState {
Log.d(TAG, "setSymbolsShiftedKeyboard");
}
mSwitchActions.setSymbolsShiftedKeyboard();
mIsAlphabetMode = false;
mIsSymbolShifted = true;
mSwitchState = SWITCH_STATE_SYMBOL_BEGIN;
}
// TODO: Get rid of isAlphabetMode argument.
public void onPressSymbol(boolean isAlphabetMode) {
public void onPressSymbol() {
if (DEBUG_STATE) {
Log.d(TAG, "onPressSymbol: " + this);
}
toggleAlphabetAndSymbols(isAlphabetMode);
toggleAlphabetAndSymbols();
mSymbolKeyState.onPress();
mSwitchState = SWITCH_STATE_MOMENTARY_ALPHA_AND_SYMBOL;
}
// TODO: Get rid of isAlphabetMode argument.
public void onReleaseSymbol(boolean isAlphabetMode) {
public void onReleaseSymbol() {
if (DEBUG_STATE) {
Log.d(TAG, "onReleaseSymbol: " + this);
}
// Snap back to the previous keyboard mode if the user chords the mode change key and
// another key, then releases the mode change key.
if (mSwitchState == SWITCH_STATE_CHORDING_ALPHA) {
toggleAlphabetAndSymbols(isAlphabetMode);
toggleAlphabetAndSymbols();
}
mSymbolKeyState.onRelease();
}
@ -264,12 +279,11 @@ public class KeyboardState {
mSymbolKeyState.onOtherKeyPressed();
}
// TODO: Get rid of isAlphabetMode argument.
public void onUpdateShiftState(boolean isAlphabetMode, boolean autoCaps) {
public void onUpdateShiftState(boolean autoCaps) {
if (DEBUG_STATE) {
Log.d(TAG, "onUpdateShiftState: " + this + " autoCaps=" + autoCaps);
}
if (isAlphabetMode) {
if (mIsAlphabetMode) {
if (!isShiftLocked() && !mShiftKeyState.isIgnoring()) {
if (mShiftKeyState.isReleasing() && autoCaps) {
// Only when shift key is releasing, automatic temporary upper case will be set.
@ -286,12 +300,11 @@ public class KeyboardState {
}
}
// TODO: Get rid of isAlphabetMode and isSymbolShifted arguments.
public void onPressShift(boolean isAlphabetMode, boolean isSymbolShifted, boolean withSliding) {
public void onPressShift(boolean withSliding) {
if (DEBUG_STATE) {
Log.d(TAG, "onPressShift: " + this + " sliding=" + withSliding);
}
if (isAlphabetMode) {
if (mIsAlphabetMode) {
if (isShiftLocked()) {
// Shift key is pressed while caps lock state, we will treat this state as shifted
// caps lock state and mark as if shift key pressed while normal state.
@ -313,19 +326,17 @@ public class KeyboardState {
}
} else {
// In symbol mode, just toggle symbol and symbol more keyboard.
toggleShiftInSymbols(isSymbolShifted);
toggleShiftInSymbols();
mSwitchState = SWITCH_STATE_MOMENTARY_SYMBOL_AND_MORE;
mShiftKeyState.onPress();
}
}
// TODO: Get rid of isAlphabetMode and isSymbolShifted arguments.
public void onReleaseShift(boolean isAlphabetMode, boolean isSymbolShifted,
boolean withSliding) {
public void onReleaseShift(boolean withSliding) {
if (DEBUG_STATE) {
Log.d(TAG, "onReleaseShift: " + this + " sliding=" + withSliding);
}
if (isAlphabetMode) {
if (mIsAlphabetMode) {
final boolean isShiftLocked = isShiftLocked();
if (mShiftKeyState.isMomentary()) {
// After chording input while normal state.
@ -350,24 +361,22 @@ public class KeyboardState {
// In symbol mode, snap back to the previous keyboard mode if the user chords the shift
// key and another key, then releases the shift key.
if (mSwitchState == SWITCH_STATE_CHORDING_SYMBOL) {
toggleShiftInSymbols(isSymbolShifted);
toggleShiftInSymbols();
}
}
mShiftKeyState.onRelease();
}
// TODO: Get rid of isAlphabetMode and isSymbolShifted arguments.
public void onCancelInput(boolean isAlphabetMode, boolean isSymbolShifted,
boolean isSinglePointer) {
public void onCancelInput(boolean isSinglePointer) {
if (DEBUG_STATE) {
Log.d(TAG, "onCancelInput: isSinglePointer=" + isSinglePointer + " " + this);
}
// Snap back to the previous keyboard mode if the user cancels sliding input.
if (isSinglePointer) {
if (mSwitchState == SWITCH_STATE_MOMENTARY_ALPHA_AND_SYMBOL) {
toggleAlphabetAndSymbols(isAlphabetMode);
toggleAlphabetAndSymbols();
} else if (mSwitchState == SWITCH_STATE_MOMENTARY_SYMBOL_AND_MORE) {
toggleShiftInSymbols(isSymbolShifted);
toggleShiftInSymbols();
}
}
}
@ -387,9 +396,7 @@ public class KeyboardState {
return false;
}
// TODO: Get rid of isAlphabetMode and isSymbolShifted arguments.
public void onCodeInput(boolean isAlphabetMode, boolean isSymbolShifted, int code,
boolean isSinglePointer) {
public void onCodeInput(int code, boolean isSinglePointer) {
if (DEBUG_STATE) {
Log.d(TAG, "onCodeInput: code=" + code + " isSinglePointer=" + isSinglePointer
+ " " + this);
@ -404,7 +411,7 @@ public class KeyboardState {
// {@link #SWITCH_STATE_MOMENTARY}.
if (code == Keyboard.CODE_SWITCH_ALPHA_SYMBOL) {
// Detected only the mode change key has been pressed, and then released.
if (isAlphabetMode) {
if (mIsAlphabetMode) {
mSwitchState = SWITCH_STATE_ALPHA;
} else {
mSwitchState = SWITCH_STATE_SYMBOL_BEGIN;
@ -414,7 +421,7 @@ public class KeyboardState {
// and slid to other key, then released the finger.
// If the user cancels the sliding input, snapping back to the previous keyboard
// mode is handled by {@link #onCancelInput}.
toggleAlphabetAndSymbols(isAlphabetMode);
toggleAlphabetAndSymbols();
} else {
// Chording input is being started. The keyboard mode will be snapped back to the
// previous mode in {@link onReleaseSymbol} when the mode change key is released.
@ -428,7 +435,7 @@ public class KeyboardState {
} else if (isSinglePointer) {
// Snap back to the previous keyboard mode if the user pressed the shift key on
// symbol mode and slid to other key, then released the finger.
toggleShiftInSymbols(isSymbolShifted);
toggleShiftInSymbols();
mSwitchState = SWITCH_STATE_SYMBOL;
} else {
// Chording input is being started. The keyboard mode will be snapped back to the
@ -456,25 +463,23 @@ public class KeyboardState {
}
}
// TODO: Get rid of isAlphabetMode and isSymbolShifted arguments.
public void onToggleShift(boolean isAlphabetMode, boolean isSymbolShifted) {
public void onToggleShift() {
if (DEBUG_STATE) {
Log.d(TAG, "onToggleShift: " + this);
}
if (isAlphabetMode) {
if (mIsAlphabetMode) {
setShifted(isShiftedOrShiftLocked()
? SwitchActions.UNSHIFT : SwitchActions.MANUAL_SHIFT);
} else {
toggleShiftInSymbols(isSymbolShifted);
toggleShiftInSymbols();
}
}
// TODO: Get rid of isAlphabetMode arguments.
public void onToggleCapsLock(boolean isAlphabetMode) {
public void onToggleCapsLock() {
if (DEBUG_STATE) {
Log.d(TAG, "onToggleCapsLock: " + this);
}
if (isAlphabetMode) {
if (mIsAlphabetMode) {
if (isShiftLocked()) {
setShiftLocked(false);
// Shift key is long pressed while caps lock state, we will toggle back to normal
@ -486,12 +491,11 @@ public class KeyboardState {
}
}
// TODO: Get rid of isAlphabetMode arguments.
public void onToggleAlphabetAndSymbols(boolean isAlphabetMode) {
public void onToggleAlphabetAndSymbols() {
if (DEBUG_STATE) {
Log.d(TAG, "onToggleAlphabetAndSymbols: " + this);
}
toggleAlphabetAndSymbols(isAlphabetMode);
toggleAlphabetAndSymbols();
}
private static String shiftModeToString(int shiftMode) {