Merge "Only supports ambient mode when necessary." into qt-dev

am: 10a9fde8b5

Change-Id: I730338a57ee3c73f77dc7951ae45d6ad4f6246ee

packages/SystemUI/src/com/android/systemui/ImageWallpaper.java

@@ -47,7 +47,7 @@ public class ImageWallpaper extends WallpaperService {
     // This is to avoid destroying then recreating render context in a very short time.
     private static final int DELAY_FINISH_RENDERING = 1000;
     private static final int INTERVAL_WAIT_FOR_RENDERING = 100;
-    private static final int PATIENCE_WAIT_FOR_RENDERING = 5;
+    private static final int PATIENCE_WAIT_FOR_RENDERING = 10;
     private HandlerThread mWorker;
 
     @Override
@@ -124,10 +124,10 @@ public class ImageWallpaper extends WallpaperService {
 
         @Override
         public void onAmbientModeChanged(boolean inAmbientMode, long animationDuration) {
-            long duration = mNeedTransition || animationDuration != 0 ? animationDuration : 0;
+            if (!mNeedTransition) return;
             mWorker.getThreadHandler().post(
-                    () -> mRenderer.updateAmbientMode(inAmbientMode, duration));
+                    () -> mRenderer.updateAmbientMode(inAmbientMode, animationDuration));
-            if (inAmbientMode && duration == 0) {
+            if (inAmbientMode && animationDuration == 0) {
                 // This means that we are transiting from home to aod, to avoid
                 // race condition between window visibility and transition,
                 // we don't return until the transition is finished. See b/136643341.

packages/SystemUI/src/com/android/systemui/glwallpaper/ImageRevealHelper.java

@@ -65,7 +65,7 @@ class ImageRevealHelper {
             @Override
             public void onAnimationStart(Animator animation) {
                 if (mRevealListener != null) {
-                    mRevealListener.onRevealStart();
+                    mRevealListener.onRevealStart(true /* animate */);
                 }
             }
         });
@@ -73,7 +73,7 @@ class ImageRevealHelper {
 
     private void animate() {
         mAnimator.cancel();
-        mAnimator.setFloatValues(mReveal, !mAwake ? MIN_REVEAL : MAX_REVEAL);
+        mAnimator.setFloatValues(mReveal, mAwake ? MAX_REVEAL : MIN_REVEAL);
         mAnimator.start();
     }
 
@@ -84,12 +84,11 @@ class ImageRevealHelper {
     void updateAwake(boolean awake, long duration) {
         mAwake = awake;
         mAnimator.setDuration(duration);
-        if (!mAwake && duration == 0) {
+        if (duration == 0) {
-            // We are transiting from home to aod,
+            // We are transiting from home to aod or aod to home directly,
-            // since main thread is waiting for rendering finished, we only need draw
+            // we don't need to do transition in these cases.
-            // the last state directly, which is a black screen.
+            mReveal = mAwake ? MAX_REVEAL : MIN_REVEAL;
-            mReveal = MIN_REVEAL;
+            mRevealListener.onRevealStart(false /* animate */);
-            mRevealListener.onRevealStart();
             mRevealListener.onRevealStateChanged();
             mRevealListener.onRevealEnd();
         } else {
@@ -110,7 +109,7 @@ class ImageRevealHelper {
         /**
          * Called back while reveal starts.
          */
-        void onRevealStart();
+        void onRevealStart(boolean animate);
 
         /**
          * Called back while reveal ends.

packages/SystemUI/src/com/android/systemui/glwallpaper/ImageWallpaperRenderer.java

@@ -24,6 +24,7 @@ import static android.opengl.GLES20.glViewport;
 
 import android.app.WallpaperManager;
 import android.content.Context;
+import android.content.res.Configuration;
 import android.graphics.Bitmap;
 import android.graphics.Rect;
 import android.util.Log;
@@ -70,7 +71,14 @@ public class ImageWallpaperRenderer implements GLWallpaperRenderer,
         DisplayInfo displayInfo = new DisplayInfo();
         WindowManager wm = context.getSystemService(WindowManager.class);
         wm.getDefaultDisplay().getDisplayInfo(displayInfo);
-        mScissor = new Rect(0, 0, displayInfo.logicalWidth, displayInfo.logicalHeight);
+
+        // We only do transition in portrait currently, b/137962047.
+        int orientation = context.getResources().getConfiguration().orientation;
+        if (orientation == Configuration.ORIENTATION_PORTRAIT) {
+            mScissor = new Rect(0, 0, displayInfo.logicalWidth, displayInfo.logicalHeight);
+        } else {
+            mScissor = new Rect(0, 0, displayInfo.logicalHeight, displayInfo.logicalWidth);
+        }
 
         mProxy = proxy;
         mProgram = new ImageGLProgram(context);
@@ -179,20 +187,24 @@ public class ImageWallpaperRenderer implements GLWallpaperRenderer,
     }
 
     @Override
-    public void onRevealStart() {
+    public void onRevealStart(boolean animate) {
-        mScissorMode = true;
+        if (animate) {
-        // Use current display area of texture.
+            mScissorMode = true;
-        mWallpaper.adjustTextureCoordinates(mSurfaceSize, mScissor, mXOffset, mYOffset);
+            // Use current display area of texture.
+            mWallpaper.adjustTextureCoordinates(mSurfaceSize, mScissor, mXOffset, mYOffset);
+        }
         mProxy.preRender();
     }
 
     @Override
     public void onRevealEnd() {
-        mScissorMode = false;
+        if (mScissorMode) {
-        // reset texture coordinates to use full texture.
+            mScissorMode = false;
-        mWallpaper.adjustTextureCoordinates(null, null, 0, 0);
+            // reset texture coordinates to use full texture.
-        // We need draw full texture back before finishing render.
+            mWallpaper.adjustTextureCoordinates(null, null, 0, 0);
-        mProxy.requestRender();
+            // We need draw full texture back before finishing render.
+            mProxy.requestRender();
+        }
         mProxy.postRender();
     }
 

packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java

@@ -490,9 +490,12 @@ public class StatusBar extends SystemUI implements DemoMode,
             WallpaperInfo info = wallpaperManager.getWallpaperInfo(UserHandle.USER_CURRENT);
             final boolean deviceSupportsAodWallpaper = mContext.getResources().getBoolean(
                     com.android.internal.R.bool.config_dozeSupportsAodWallpaper);
+            final boolean imageWallpaperInAmbient =
+                    !DozeParameters.getInstance(mContext).getDisplayNeedsBlanking();
             // If WallpaperInfo is null, it must be ImageWallpaper.
             final boolean supportsAmbientMode = deviceSupportsAodWallpaper
-                    && (info == null || info.supportsAmbientMode());
+                    && ((info == null && imageWallpaperInAmbient)
+                        || (info != null && info.supportsAmbientMode()));
 
             mStatusBarWindowController.setWallpaperSupportsAmbientMode(supportsAmbientMode);
             mScrimController.setWallpaperSupportsAmbientMode(supportsAmbientMode);