Merge "Support blacklisting live wallpapers from showing sysui scrims" into ub-launcher3-master
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/fallback/RecentsRootView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/fallback/RecentsRootView.java
index 2c5d631..7f5ec9b 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/fallback/RecentsRootView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/fallback/RecentsRootView.java
@@ -81,7 +81,8 @@
         if (!insets.equals(mInsets)) {
             super.setInsets(insets);
         }
-        setBackground(insets.top == 0 ? null
+        setBackground(insets.top == 0  || !mAllowSysuiScrims
+                ? null
                 : Themes.getAttrDrawable(getContext(), R.attr.workspaceStatusBarScrim));
     }
 
diff --git a/res/values/config.xml b/res/values/config.xml
index 6c239bd..1675a98 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -176,4 +176,7 @@
         <item>@dimen/swipe_up_fling_min_visible_change</item>
         <item>@dimen/swipe_up_y_overshoot</item>
     </array>
+
+    <string-array name="live_wallpapers_remove_sysui_scrims">
+    </string-array>
 </resources>
diff --git a/src/com/android/launcher3/dragndrop/DragLayer.java b/src/com/android/launcher3/dragndrop/DragLayer.java
index 369bf28..9d07595 100644
--- a/src/com/android/launcher3/dragndrop/DragLayer.java
+++ b/src/com/android/launcher3/dragndrop/DragLayer.java
@@ -559,7 +559,7 @@
     @Override
     public void setInsets(Rect insets) {
         super.setInsets(insets);
-        mWorkspaceScrim.onInsetsChanged(insets);
+        mWorkspaceScrim.onInsetsChanged(insets, mAllowSysuiScrims);
         mOverviewScrim.onInsetsChanged(insets);
     }
 
diff --git a/src/com/android/launcher3/graphics/WorkspaceAndHotseatScrim.java b/src/com/android/launcher3/graphics/WorkspaceAndHotseatScrim.java
index b289c0b..3fb2bf6 100644
--- a/src/com/android/launcher3/graphics/WorkspaceAndHotseatScrim.java
+++ b/src/com/android/launcher3/graphics/WorkspaceAndHotseatScrim.java
@@ -194,10 +194,13 @@
         return anim;
     }
 
-    public void onInsetsChanged(Rect insets) {
-        mDrawTopScrim = mTopScrim != null && insets.top > 0;
-        mDrawBottomScrim = mBottomMask != null &&
-                !mLauncher.getDeviceProfile().isVerticalBarLayout();
+    /**
+     * Determines whether to draw the top and/or bottom scrim based on new insets.
+     */
+    public void onInsetsChanged(Rect insets, boolean allowSysuiScrims) {
+        mDrawTopScrim = allowSysuiScrims && mTopScrim != null && insets.top > 0;
+        mDrawBottomScrim = allowSysuiScrims && mBottomMask != null
+                && !mLauncher.getDeviceProfile().isVerticalBarLayout();
     }
 
     @Override
diff --git a/src/com/android/launcher3/views/BaseDragLayer.java b/src/com/android/launcher3/views/BaseDragLayer.java
index 25748ae..868c91d 100644
--- a/src/com/android/launcher3/views/BaseDragLayer.java
+++ b/src/com/android/launcher3/views/BaseDragLayer.java
@@ -23,7 +23,11 @@
 import static com.android.launcher3.util.DefaultDisplay.getSingleFrameMs;
 
 import android.annotation.TargetApi;
+import android.app.WallpaperInfo;
+import android.app.WallpaperManager;
+import android.content.ComponentName;
 import android.content.Context;
+import android.content.Intent;
 import android.graphics.Insets;
 import android.graphics.Rect;
 import android.graphics.RectF;
@@ -38,11 +42,15 @@
 import android.view.accessibility.AccessibilityEvent;
 import android.widget.FrameLayout;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.InsettableFrameLayout;
+import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
+import com.android.launcher3.util.SimpleBroadcastReceiver;
 import com.android.launcher3.util.TouchController;
 
 import java.io.PrintWriter;
@@ -98,6 +106,10 @@
 
     protected final T mActivity;
     private final MultiValueAlpha mMultiValueAlpha;
+    private final WallpaperManager mWallpaperManager;
+    private final SimpleBroadcastReceiver mWallpaperChangeReceiver =
+            new SimpleBroadcastReceiver(this::onWallpaperChanged);
+    private final String[] mWallpapersWithoutSysuiScrims;
 
     // All the touch controllers for the view
     protected TouchController[] mControllers;
@@ -108,10 +120,15 @@
 
     private TouchCompleteListener mTouchCompleteListener;
 
+    protected boolean mAllowSysuiScrims = true;
+
     public BaseDragLayer(Context context, AttributeSet attrs, int alphaChannelCount) {
         super(context, attrs);
         mActivity = (T) ActivityContext.lookupContext(context);
         mMultiValueAlpha = new MultiValueAlpha(this, alphaChannelCount);
+        mWallpaperManager = context.getSystemService(WallpaperManager.class);
+        mWallpapersWithoutSysuiScrims = getResources().getStringArray(
+                R.array.live_wallpapers_remove_sysui_scrims);
     }
 
     /**
@@ -517,4 +534,46 @@
         }
         return super.dispatchApplyWindowInsets(insets);
     }
+
+    @Override
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+        mWallpaperChangeReceiver.register(mActivity, Intent.ACTION_WALLPAPER_CHANGED);
+        onWallpaperChanged(null);
+    }
+
+    @Override
+    protected void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+        mActivity.unregisterReceiver(mWallpaperChangeReceiver);
+    }
+
+    private void onWallpaperChanged(Intent unusedBroadcastIntent) {
+        WallpaperInfo newWallpaperInfo = mWallpaperManager.getWallpaperInfo();
+        boolean oldAllowSysuiScrims = mAllowSysuiScrims;
+        mAllowSysuiScrims = computeAllowSysuiScrims(newWallpaperInfo);
+        if (mAllowSysuiScrims != oldAllowSysuiScrims) {
+            // Reapply insets so scrim can be removed or re-added if necessary.
+            setInsets(mInsets);
+        }
+    }
+
+    /**
+     * Determines whether we can scrim the status bar and nav bar for the given wallpaper by
+     * checking against a list of live wallpapers that we don't show the scrims on.
+     */
+    private boolean computeAllowSysuiScrims(@Nullable WallpaperInfo newWallpaperInfo) {
+        if (newWallpaperInfo == null) {
+            // New wallpaper is static, not live. Thus, blacklist isn't applicable.
+            return true;
+        }
+        ComponentName newWallpaper = newWallpaperInfo.getComponent();
+        for (String wallpaperWithoutScrim : mWallpapersWithoutSysuiScrims) {
+            if (newWallpaper.equals(ComponentName.unflattenFromString(wallpaperWithoutScrim))) {
+                // New wallpaper is blacklisted from showing a scrim.
+                return false;
+            }
+        }
+        return true;
+    }
 }