Dim keyboard when more suggestions are shown

Bug: 5241009
Change-Id: Ia42bcfc34dddf93d35f9cea8a4f0efead6ce3a6a

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

@@ -103,6 +103,8 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
     private ViewGroup mPreviewPlacer;
 
     // Drawing
+    /** True if the entire keyboard needs to be dimmed. */
+    private boolean mNeedsToDimBackground;
     /** Whether the keyboard bitmap buffer needs to be redrawn before it's blitted. **/
     private boolean mBufferNeedsUpdate;
     /** The dirty region in the keyboard bitmap */
@@ -481,8 +483,8 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
             }
         }
 
-        // Overlay a dark rectangle to dim the keyboard
+        // Overlay a dark rectangle to dim the entire keyboard
-        if (needsToDimKeyboard()) {
+        if (mNeedsToDimBackground) {
             mPaint.setColor((int) (mBackgroundDimAmount * 0xFF) << 24);
             canvas.drawRect(0, 0, width, height, mPaint);
         }
@@ -491,8 +493,12 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
         mDirtyRect.setEmpty();
     }
 
-    protected boolean needsToDimKeyboard() {
+    public void dimEntireKeyboard(boolean dimmed) {
-        return false;
+        final boolean needsRedrawing = mNeedsToDimBackground != dimmed;
+        mNeedsToDimBackground = dimmed;
+        if (needsRedrawing) {
+            invalidateAllKeys();
+        }
     }
 
     private static void onBufferDrawKey(final Key key, final Keyboard keyboard, final Canvas canvas,

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

@@ -373,11 +373,6 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
         return miniKeyboardView;
     }
 
-    @Override
-    protected boolean needsToDimKeyboard() {
-        return mMoreKeysPanel != null;
-    }
-
     public void setSpacebarTextFadeFactor(float fadeFactor, LatinKeyboard oldKeyboard) {
         final Keyboard keyboard = getKeyboard();
         // We should not set text fade factor to the keyboard which does not display the language on
@@ -460,8 +455,7 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
         final int translatedY = moreKeysPanel.translateY(tracker.getLastY());
         tracker.onShowMoreKeysPanel(
                 translatedX, translatedY, SystemClock.uptimeMillis(), moreKeysPanel);
-
+        dimEntireKeyboard(true);
-        invalidateAllKeys();
         return true;
     }
 
@@ -620,7 +614,7 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
             mMoreKeysWindow.dismiss();
             mMoreKeysPanel = null;
             mMoreKeysPanelPointerTrackerId = -1;
-            invalidateAllKeys();
+            dimEntireKeyboard(false);
             return true;
         }
         return false;

java/src/com/android/inputmethod/latin/SuggestionsView.java

@@ -50,6 +50,7 @@ import android.widget.TextView;
 import com.android.inputmethod.compat.FrameLayoutCompatUtils;
 import com.android.inputmethod.compat.LinearLayoutCompatUtils;
 import com.android.inputmethod.keyboard.KeyboardActionListener;
+import com.android.inputmethod.keyboard.KeyboardView;
 import com.android.inputmethod.keyboard.MoreKeysPanel;
 import com.android.inputmethod.keyboard.PointerTracker;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
@@ -70,7 +71,7 @@ public class SuggestionsView extends LinearLayout implements OnClickListener, On
 
     private final ViewGroup mSuggestionsPlacer;
     private final ViewGroup mSuggestionsStrip;
-    private View mKeyboardView;
+    private KeyboardView mKeyboardView;
 
     private final View mMoreSuggestionsContainer;
     private final MoreSuggestionsView mMoreSuggestionsView;
@@ -515,7 +516,7 @@ public class SuggestionsView extends LinearLayout implements OnClickListener, On
      */
     public void setListener(Listener listener, View inputView) {
         mListener = listener;
-        mKeyboardView = inputView.findViewById(R.id.keyboard_view);
+        mKeyboardView = (KeyboardView)inputView.findViewById(R.id.keyboard_view);
     }
 
     public void setSuggestions(SuggestedWords suggestions) {
@@ -658,7 +659,7 @@ public class SuggestionsView extends LinearLayout implements OnClickListener, On
         mSuggestionsPlacer.removeAllViews();
         mSuggestionsPlacer.addView(mSuggestionsStrip);
         mSuggestionsStrip.removeAllViews();
-        mMoreSuggestionsWindow.dismiss();
+        dismissMoreSuggestions();
     }
 
     private void hidePreview() {
@@ -702,13 +703,13 @@ public class SuggestionsView extends LinearLayout implements OnClickListener, On
             final int index = requestCode;
             final CharSequence word = mSuggestions.getWord(index);
             mListener.pickSuggestionManually(index, word);
-            mMoreSuggestionsView.dismissMoreKeysPanel();
+            dismissMoreSuggestions();
             return true;
         }
 
         @Override
         public void onCancelInput() {
-            mMoreSuggestionsView.dismissMoreKeysPanel();
+            dismissMoreSuggestions();
         }
     };
 
@@ -716,13 +717,18 @@ public class SuggestionsView extends LinearLayout implements OnClickListener, On
             new MoreKeysPanel.Controller() {
         @Override
         public boolean dismissMoreKeysPanel() {
+            return dismissMoreSuggestions();
+        }
+    };
+
+    private boolean dismissMoreSuggestions() {
         if (mMoreSuggestionsWindow.isShowing()) {
             mMoreSuggestionsWindow.dismiss();
+            mKeyboardView.dimEntireKeyboard(false);
             return true;
         }
         return false;
     }
-    };
 
     @Override
     public boolean onLongClick(View view) {
@@ -754,7 +760,7 @@ public class SuggestionsView extends LinearLayout implements OnClickListener, On
             tracker.onShowMoreKeysPanel(
                     translatedX, translatedY, SystemClock.uptimeMillis(), moreKeysPanel);
             view.setPressed(false);
-            // TODO: Should gray out the keyboard here as well?
+            mKeyboardView.dimEntireKeyboard(true);
             return true;
         }
         return false;