commit b60fff3929ccaa2bcff3700ef88e09a12c3a0496
author Lucas Dupin <dupin@google.com> Tue Jun 22 16:57:34 2021 -0700
committer Lucas Dupin <dupin@google.com> Wed Jun 23 08:37:27 2021 -0700
tree a174748a4a721a1b65f07454f37ffd3002433974
parent 2f65e7f27405920e9ab61e1bdba9a0a553f48ad2

Disable blurs when dev setting or battery saver

Stop rendering blurs whenever a user:
- disables blurs on developer settings
- enables battery saver

Test: manual
Bug: 191814337
Change-Id: I8fd04796054d92171732c8db95b64cfa3ec469ec

quickstep/src/com/android/launcher3/statehandlers/DepthController.java

diff --git a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
index e6333d1..4503e30 100644
--- a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
+++ b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
@@ -25,6 +25,7 @@
 import android.animation.ObjectAnimator;
 import android.os.IBinder;
 import android.util.FloatProperty;
+import android.view.CrossWindowBlurListeners;
 import android.view.SurfaceControl;
 import android.view.View;
 import android.view.ViewRootImpl;
@@ -41,6 +42,8 @@
 import com.android.systemui.shared.system.BlurUtils;
 import com.android.systemui.shared.system.WallpaperManagerCompat;
 
+import java.util.function.Consumer;
+
 /**
  * Controls blur and wallpaper zoom, for the Launcher surface only.
  */
@@ -96,11 +99,17 @@
                 }
             };
 
+    private final Consumer<Boolean> mCrossWindowBlurListener = (enabled) -> {
+        mCrossWindowBlursEnabled = enabled;
+        dispatchTransactionSurface();
+    };
+
     private final Launcher mLauncher;
     /**
      * Blur radius when completely zoomed out, in pixels.
      */
     private int mMaxBlurRadius;
+    private boolean mCrossWindowBlursEnabled;
     private WallpaperManagerCompat mWallpaperManager;
     private SurfaceControl mSurface;
     /**
@@ -123,6 +132,7 @@
             mMaxBlurRadius = mLauncher.getResources().getInteger(R.integer.max_depth_blur_radius);
             mWallpaperManager = new WallpaperManagerCompat(mLauncher);
         }
+
         if (mLauncher.getRootView() != null && mOnAttachListener == null) {
             mOnAttachListener = new View.OnAttachStateChangeListener() {
                 @Override
@@ -132,13 +142,20 @@
                     if (windowToken != null) {
                         mWallpaperManager.setWallpaperZoomOut(windowToken, mDepth);
                     }
+                    CrossWindowBlurListeners.getInstance().addListener(mLauncher.getMainExecutor(),
+                            mCrossWindowBlurListener);
                 }
 
                 @Override
                 public void onViewDetachedFromWindow(View view) {
+                    CrossWindowBlurListeners.getInstance().removeListener(mCrossWindowBlurListener);
                 }
             };
             mLauncher.getRootView().addOnAttachStateChangeListener(mOnAttachListener);
+            if (mLauncher.getRootView().isAttachedToWindow()) {
+                CrossWindowBlurListeners.getInstance().addListener(mLauncher.getMainExecutor(),
+                        mCrossWindowBlurListener);
+            }
         }
     }
 
@@ -220,7 +237,8 @@
             boolean isOverview = mLauncher.isInState(LauncherState.OVERVIEW);
             boolean opaque = mLauncher.getScrimView().isFullyOpaque() && !isOverview;
 
-            int blur = opaque || isOverview ? 0 : (int) (mDepth * mMaxBlurRadius);
+            int blur = opaque || isOverview || !mCrossWindowBlursEnabled
+                    ? 0 : (int) (mDepth * mMaxBlurRadius);
             new SurfaceControl.Transaction()
                     .setBackgroundBlurRadius(mSurface, blur)
                     .setOpaque(mSurface, opaque)