Merge "Fixed some issues with fullscreen dimming" into nyc-dev

am: e208bd4cbe

* commit 'e208bd4cbea7468c989d25ef582e5a9ed7ecabf1':
  Fixed some issues with fullscreen dimming

Change-Id: Ibf06c08daca76f47a7a3cd8baf94aaf0b4d8adc2

services/core/java/com/android/server/wm/DimLayer.java

@@ -73,8 +73,8 @@ public class DimLayer {
 
     /** Interface implemented by users of the dim layer */
     interface DimLayerUser {
-        /** Returns true if the user of the dim layer is fullscreen. */
-        boolean isFullscreen();
+        /** Returns true if the  dim should be fullscreen. */
+        boolean dimFullscreen();
         /** Returns the display info. of the dim layer user. */
         DisplayInfo getDisplayInfo();
         /** Gets the bounds of the dim layer user. */
@@ -188,33 +188,40 @@ public class DimLayer {
      * NOTE: Must be called with Surface transaction open.
      */
     private void adjustBounds() {
-        final int dw, dh;
-        final float xPos, yPos;
-        if (!mUser.isFullscreen()) {
-            dw = mBounds.width();
-            dh = mBounds.height();
-            xPos = mBounds.left;
-            yPos = mBounds.top;
-        } else {
-            // Set surface size to screen size.
-            final DisplayInfo info = mUser.getDisplayInfo();
-            // Multiply by 1.5 so that rotating a frozen surface that includes this does not expose
-            // a corner.
-            dw = (int) (info.logicalWidth * 1.5);
-            dh = (int) (info.logicalHeight * 1.5);
-            // back off position so 1/4 of Surface is before and 1/4 is after.
-            xPos = -1 * dw / 6;
-            yPos = -1 * dh / 6;
+        if (mUser.dimFullscreen()) {
+            getBoundsForFullscreen(mBounds);
         }
 
         if (mDimSurface != null) {
-            mDimSurface.setPosition(xPos, yPos);
-            mDimSurface.setSize(dw, dh);
+            mDimSurface.setPosition(mBounds.left, mBounds.top);
+            mDimSurface.setSize(mBounds.width(), mBounds.height());
+            if (DEBUG_DIM_LAYER) Slog.v(TAG,
+                    "adjustBounds user=" + mUser.toShortString() + " mBounds=" + mBounds);
         }
 
         mLastBounds.set(mBounds);
     }
 
+    private void getBoundsForFullscreen(Rect outBounds) {
+        final int dw, dh;
+        final float xPos, yPos;
+        // Set surface size to screen size.
+        final DisplayInfo info = mUser.getDisplayInfo();
+        // Multiply by 1.5 so that rotating a frozen surface that includes this does not expose
+        // a corner.
+        dw = (int) (info.logicalWidth * 1.5);
+        dh = (int) (info.logicalHeight * 1.5);
+        // back off position so 1/4 of Surface is before and 1/4 is after.
+        xPos = -1 * dw / 6;
+        yPos = -1 * dh / 6;
+        outBounds.set((int) xPos, (int) yPos, (int) xPos + dw, (int) yPos + dh);
+    }
+
+    void setBoundsForFullscreen() {
+        getBoundsForFullscreen(mBounds);
+        setBounds(mBounds);
+    }
+
     /** @param bounds The new bounds to set */
     void setBounds(Rect bounds) {
         mBounds.set(bounds);

services/core/java/com/android/server/wm/DimLayerController.java

@@ -48,14 +48,15 @@ class DimLayerController {
 
     /** Updates the dim layer bounds, recreating it if needed. */
     void updateDimLayer(DimLayer.DimLayerUser dimLayerUser) {
-        DimLayerState state = getOrCreateDimLayerState(dimLayerUser);
+        final DimLayerState state = getOrCreateDimLayerState(dimLayerUser);
         final boolean previousFullscreen = state.dimLayer != null
                 && state.dimLayer == mSharedFullScreenDimLayer;
         DimLayer newDimLayer;
         final int displayId = mDisplayContent.getDisplayId();
-        if (dimLayerUser.isFullscreen()) {
-            if (previousFullscreen) {
-                // Nothing to do here...
+        if (dimLayerUser.dimFullscreen()) {
+            if (previousFullscreen && mSharedFullScreenDimLayer != null) {
+                // Update the bounds for fullscreen in case of rotation.
+                mSharedFullScreenDimLayer.setBoundsForFullscreen();
                 return;
             }
             // Use shared fullscreen dim layer
@@ -146,7 +147,7 @@ class DimLayerController {
                 || !state.animator.getShown()
                 || state.animator.mAnimLayer <= newWinAnimator.mAnimLayer)) {
             state.animator = newWinAnimator;
-            if (state.animator.mWin.mAppToken == null && !dimLayerUser.isFullscreen()) {
+            if (state.animator.mWin.mAppToken == null && !dimLayerUser.dimFullscreen()) {
                 // Dim should cover the entire screen for system windows.
                 mDisplayContent.getLogicalDisplayRect(mTmpBounds);
             } else {
@@ -190,11 +191,11 @@ class DimLayerController {
         for (int i = mState.size() - 1; i >= 0; i--) {
             DimLayer.DimLayerUser user = mState.keyAt(i);
             DimLayerState state = mState.valueAt(i);
-            // We have to check that we are acutally the shared fullscreen layer
+            // We have to check that we are actually the shared fullscreen layer
             // for this path. If we began as non fullscreen and became fullscreen
             // (e.g. Docked stack closing), then we may not be the shared layer
             // and we have to make sure we always animate the layer.
-            if (user.isFullscreen() && state.dimLayer == mSharedFullScreenDimLayer) {
+            if (user.dimFullscreen() && state.dimLayer == mSharedFullScreenDimLayer) {
                 fullScreen = i;
                 if (mState.valueAt(i).continueDimming) {
                     fullScreenAndDimming = i;
@@ -337,15 +338,18 @@ class DimLayerController {
 
     void dump(String prefix, PrintWriter pw) {
         pw.println(prefix + "DimLayerController");
-        for (int i = 0, n = mState.size(); i < n; i++) {
-            pw.println(prefix + "  " + mState.keyAt(i).toShortString());
-            pw.print(prefix + "    ");
-            DimLayerState state = mState.valueAt(i);
-            pw.print("dimLayer=" + (state.dimLayer == mSharedFullScreenDimLayer ? "shared" :
-                    state.dimLayer));
-            pw.print(", animator=" + state.animator);
-            pw.println(", continueDimming=" + state.continueDimming + "}");
+        final String doubleSpace = "  ";
+        final String prefixPlusDoubleSpace = prefix + doubleSpace;
 
+        for (int i = 0, n = mState.size(); i < n; i++) {
+            pw.println(prefixPlusDoubleSpace + mState.keyAt(i).toShortString());
+            DimLayerState state = mState.valueAt(i);
+            pw.println(prefixPlusDoubleSpace + doubleSpace + "dimLayer="
+                    + (state.dimLayer == mSharedFullScreenDimLayer ? "shared" : state.dimLayer)
+                    + ", animator=" + state.animator + ", continueDimming=" + state.continueDimming);
+            if (state.dimLayer != null) {
+                state.dimLayer.printTo(prefixPlusDoubleSpace + doubleSpace, pw);
+            }
         }
     }
 }

services/core/java/com/android/server/wm/DockedStackDividerController.java

@@ -765,7 +765,7 @@ public class DockedStackDividerController implements DimLayerUser {
     }
 
     @Override
-    public boolean isFullscreen() {
+    public boolean dimFullscreen() {
         return false;
     }
 

services/core/java/com/android/server/wm/Task.java

@@ -750,7 +750,11 @@ class Task implements DimLayer.DimLayerUser {
     }
 
     @Override
-    public boolean isFullscreen() {
+    public boolean dimFullscreen() {
+        return isHomeTask() || isFullscreen();
+    }
+
+    boolean isFullscreen() {
         if (useCurrentBounds()) {
             return mFullscreen;
         }

services/core/java/com/android/server/wm/TaskPositioner.java

@@ -515,7 +515,11 @@ class TaskPositioner implements DimLayer.DimLayerUser {
     }
 
     @Override /** {@link DimLayer.DimLayerUser} */
-    public boolean isFullscreen() {
+    public boolean dimFullscreen() {
+        return isFullscreen();
+    }
+
+    boolean isFullscreen() {
         return false;
     }
 

services/core/java/com/android/server/wm/TaskStack.java

@@ -1155,7 +1155,11 @@ public class TaskStack implements DimLayer.DimLayerUser,
     }
 
     @Override
-    public boolean isFullscreen() {
+    public boolean dimFullscreen() {
+        return mStackId == HOME_STACK_ID || isFullscreen();
+    }
+
+    boolean isFullscreen() {
         if (useCurrentBounds()) {
             return mFullscreen;
         }