am 07e440b2: Merge "Fix FloatingToolbar flickers." into mnc-dev

* commit '07e440b2786a5104129a8776a21172539fb4c4a0':
  Fix FloatingToolbar flickers.

api/current.txt

@@ -34575,6 +34575,7 @@ package android.view {
     method public abstract void invalidate();
     method public void invalidateContentRect();
     method public boolean isTitleOptional();
+    method public void onWindowFocusChanged(boolean);
     method public abstract void setCustomView(android.view.View);
     method public abstract void setSubtitle(java.lang.CharSequence);
     method public abstract void setSubtitle(int);

api/system-current.txt

@@ -36856,6 +36856,7 @@ package android.view {
     method public abstract void invalidate();
     method public void invalidateContentRect();
     method public boolean isTitleOptional();
+    method public void onWindowFocusChanged(boolean);
     method public abstract void setCustomView(android.view.View);
     method public abstract void setSubtitle(java.lang.CharSequence);
     method public abstract void setSubtitle(int);

core/java/android/view/ActionMode.java

@@ -260,6 +260,16 @@ public abstract class ActionMode {
      */
     public abstract MenuInflater getMenuInflater();
 
+    /**
+     * Called when the window containing the view that started this action mode gains or loses
+     * focus.
+     *
+     * @param hasWindowFocus True if the window containing the view that started this action mode
+     *        now has focus, false otherwise.
+     *
+     */
+    public void onWindowFocusChanged(boolean hasWindowFocus) {}
+
     /**
      * Returns whether the UI presenting this action mode can take focus or not.
      * This is used by internal components within the framework that would otherwise

core/java/com/android/internal/policy/PhoneWindow.java

@@ -3223,12 +3223,11 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
                 cb.onWindowFocusChanged(hasWindowFocus);
             }
 
-            if (mFloatingToolbar != null) {
-                if (hasWindowFocus) {
-                    mFloatingToolbar.show();
-                } else {
-                    mFloatingToolbar.dismiss();
-                }
+            if (mPrimaryActionMode != null) {
+                mPrimaryActionMode.onWindowFocusChanged(hasWindowFocus);
+            }
+            if (mFloatingActionMode != null) {
+                mFloatingActionMode.onWindowFocusChanged(hasWindowFocus);
             }
         }
 
@@ -3441,8 +3440,7 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
             mFloatingActionMode = mode;
             mFloatingToolbar = new FloatingToolbar(mContext, PhoneWindow.this);
             ((FloatingActionMode) mFloatingActionMode).setFloatingToolbar(mFloatingToolbar);
-            mFloatingActionMode.invalidate();
-            mFloatingToolbar.show();
+            mFloatingActionMode.invalidate();  // Will show the floating toolbar if necessary.
             mFloatingActionModeOriginatingView.getViewTreeObserver()
                 .addOnPreDrawListener(mFloatingToolbarPreDrawListener);
         }

core/java/com/android/internal/view/FloatingActionMode.java

@@ -196,6 +196,13 @@ public class FloatingActionMode extends ActionMode {
         }
     }
 
+    @Override
+    public void onWindowFocusChanged(boolean hasWindowFocus) {
+        checkToolbarInitialized();
+        mFloatingToolbarVisibilityHelper.setWindowFocused(hasWindowFocus);
+        mFloatingToolbarVisibilityHelper.updateToolbarVisibility();
+    }
+
     @Override
     public void finish() {
         checkToolbarInitialized();
@@ -237,6 +244,7 @@ public class FloatingActionMode extends ActionMode {
     }
 
     private void reset() {
+        mFloatingToolbar.dismiss();
         mFloatingToolbarVisibilityHelper.deactivate();
         mOriginatingView.removeCallbacks(mMovingOff);
         mOriginatingView.removeCallbacks(mHideOff);
@@ -253,6 +261,7 @@ public class FloatingActionMode extends ActionMode {
         private boolean mHideRequested;
         private boolean mMoving;
         private boolean mOutOfBounds;
+        private boolean mWindowFocused = true;
 
         private boolean mActive;
 
@@ -264,6 +273,7 @@ public class FloatingActionMode extends ActionMode {
             mHideRequested = false;
             mMoving = false;
             mOutOfBounds = false;
+            mWindowFocused = true;
 
             mActive = true;
         }
@@ -285,12 +295,16 @@ public class FloatingActionMode extends ActionMode {
             mOutOfBounds = outOfBounds;
         }
 
+        public void setWindowFocused(boolean windowFocused) {
+            mWindowFocused = windowFocused;
+        }
+
         public void updateToolbarVisibility() {
             if (!mActive) {
                 return;
             }
 
-            if (mHideRequested || mMoving || mOutOfBounds) {
+            if (mHideRequested || mMoving || mOutOfBounds || !mWindowFocused) {
                 mToolbar.hide();
             } else {
                 mToolbar.show();