Make Keyboard.setShifted return void

Bug: 5708602
Change-Id: If8150f62fbab864344f59853850ff3213c27940e

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

@@ -167,20 +167,14 @@ public class Keyboard {
         return !mShiftLockKeys.isEmpty();
     }
 
-    public boolean setShiftLocked(boolean newShiftLockState) {
+    public void setShiftLocked(boolean newShiftLockState) {
         for (final Key key : mShiftLockKeys) {
             // To represent "shift locked" state. The highlight is handled by background image that
             // might be a StateListDrawable.
             key.setHighlightOn(newShiftLockState);
-            // To represent "shifted" state. The key might have a shifted icon.
-            if (newShiftLockState && mShiftedIcons.containsKey(key)) {
-                key.setIcon(mShiftedIcons.get(key));
-            } else {
-                key.setIcon(mUnshiftedIcons.get(key));
-            }
+            key.setIcon(newShiftLockState ? mShiftedIcons.get(key) : mUnshiftedIcons.get(key));
         }
         mShiftState.setShiftLocked(newShiftLockState);
-        return true;
     }
 
     public boolean isShiftLocked() {
@@ -191,15 +185,13 @@ public class Keyboard {
         return mShiftState.isShiftLockShifted();
     }
 
-    public boolean setShifted(boolean newShiftState) {
-        for (final Key key : mShiftKeys) {
-            if (!newShiftState && !mShiftState.isShiftLocked()) {
-                key.setIcon(mUnshiftedIcons.get(key));
-            } else if (newShiftState && !mShiftState.isShiftedOrShiftLocked()) {
-                key.setIcon(mShiftedIcons.get(key));
+    public void setShifted(boolean newShiftState) {
+        if (!mShiftState.isShiftLocked()) {
+            for (final Key key : mShiftKeys) {
+                key.setIcon(newShiftState ? mShiftedIcons.get(key) : mUnshiftedIcons.get(key));
             }
         }
-        return mShiftState.setShifted(newShiftState);
+        mShiftState.setShifted(newShiftState);
     }
 
     public boolean isShiftedOrShiftLocked() {

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

@@ -421,7 +421,6 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
             return;
         if (shiftMode == AUTOMATIC_SHIFT) {
             latinKeyboard.setAutomaticTemporaryUpperCase();
-            mKeyboardView.invalidateAllKeys();
         } else {
             final boolean shifted = (shiftMode == MANUAL_SHIFT);
             // On non-distinct multi touch panel device, we should also turn off the shift locked
@@ -431,15 +430,15 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
             if (!hasDistinctMultitouch() && !shifted && latinKeyboard.isShiftLocked()) {
                 latinKeyboard.setShiftLocked(false);
             }
-            if (latinKeyboard.setShifted(shifted)) {
-                mKeyboardView.invalidateAllKeys();
-            }
+            latinKeyboard.setShifted(shifted);
         }
+        mKeyboardView.invalidateAllKeys();
     }
 
     private void setShiftLocked(boolean shiftLocked) {
         LatinKeyboard latinKeyboard = getLatinKeyboard();
-        if (latinKeyboard != null && latinKeyboard.setShiftLocked(shiftLocked)) {
+        if (latinKeyboard != null) {
+            latinKeyboard.setShiftLocked(shiftLocked);
             mKeyboardView.invalidateAllKeys();
         }
     }

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

@@ -132,9 +132,8 @@ public class MiniKeyboardView extends KeyboardView implements MoreKeysPanel {
     @Override
     public void setShifted(boolean shifted) {
         final Keyboard keyboard = getKeyboard();
-        if (keyboard.setShifted(shifted)) {
-            invalidateAllKeys();
-        }
+        keyboard.setShifted(shifted);
+        invalidateAllKeys();
     }
 
     @Override

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

@@ -24,6 +24,7 @@ public interface MoreKeysPanel extends PointerTracker.KeyEventHandler {
         public boolean dismissMoreKeysPanel();
     }
 
+    // TODO: Remove this method.
     public void setShifted(boolean shifted);
 
     /**

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

@@ -33,7 +33,7 @@ public class KeyboardShiftState {
 
     private int mState = NORMAL;
 
-    public boolean setShifted(boolean newShiftState) {
+    public void setShifted(boolean newShiftState) {
         final int oldState = mState;
         if (newShiftState) {
             switch (oldState) {
@@ -61,7 +61,6 @@ public class KeyboardShiftState {
         }
         if (DEBUG)
             Log.d(TAG, "setShifted(" + newShiftState + "): " + toString(oldState) + " > " + this);
-        return mState != oldState;
     }
 
     public void setShiftLocked(boolean newShiftLockState) {