KeyboardState keeps track of isAlphabetMode and isSymbolShifted (10dcc7eb) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java

+16 −21

Original line number	Diff line number	Diff line
		@@ -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();
		}
		});
		}

java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java

+54 −50

Original line number	Diff line number	Diff line
		@@ -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) {