Merge "Import translations. DO NOT MERGE ANYWHERE" into sc-dev
diff --git a/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java b/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
index 65dba33..1548268 100644
--- a/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
+++ b/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
@@ -72,14 +72,20 @@
             mForegroundProperties.init(
                     mOriginalForeground.getConstantState().newDrawable().mutate());
             setForeground(mForegroundProperties.mDrawable);
-            mSourceView.setForeground(null);
+            Drawable clipPlaceholder =
+                    mOriginalForeground.getConstantState().newDrawable().mutate();
+            clipPlaceholder.setAlpha(0);
+            mSourceView.setForeground(clipPlaceholder);
         }
         if (isSupportedDrawable(backgroundView.getBackground())) {
             mOriginalBackground = backgroundView.getBackground();
             mBackgroundProperties.init(
                     mOriginalBackground.getConstantState().newDrawable().mutate());
             setBackground(mBackgroundProperties.mDrawable);
-            mSourceView.setBackground(null);
+            Drawable clipPlaceholder =
+                    mOriginalBackground.getConstantState().newDrawable().mutate();
+            clipPlaceholder.setAlpha(0);
+            mSourceView.setBackground(clipPlaceholder);
         } else if (mOriginalForeground == null) {
             mFallbackDrawable.setColor(fallbackBackgroundColor);
             setBackground(mFallbackDrawable);
diff --git a/src/com/android/launcher3/widget/WidgetCell.java b/src/com/android/launcher3/widget/WidgetCell.java
index 5759f75..5769ba0 100644
--- a/src/com/android/launcher3/widget/WidgetCell.java
+++ b/src/com/android/launcher3/widget/WidgetCell.java
@@ -43,6 +43,7 @@
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.CheckLongPressHelper;
 import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.icons.FastBitmapDrawable;
 import com.android.launcher3.icons.RoundDrawableWrapper;
@@ -217,12 +218,7 @@
 
     private void applyPreviewOnAppWidgetHostView(WidgetItem item) {
         if (mRemoteViewsPreview != null) {
-            mAppWidgetHostViewPreview = new NavigableAppWidgetHostView(getContext()) {
-                @Override
-                protected boolean shouldAllowDirectClick() {
-                    return false;
-                }
-            };
+            mAppWidgetHostViewPreview = createAppWidgetHostView(getContext());
             setAppWidgetHostViewPreview(mAppWidgetHostViewPreview, item.widgetInfo,
                     mRemoteViewsPreview);
             return;
@@ -230,10 +226,15 @@
 
         if (!item.hasPreviewLayout()) return;
 
-        mAppWidgetHostViewPreview = new LauncherAppWidgetHostView(getContext());
+        Context context = getContext();
+        // If the context is a Launcher activity, DragView will show mAppWidgetHostViewPreview as
+        // a preview during drag & drop. And thus, we should use LauncherAppWidgetHostView, which
+        // supports applying local color extraction during drag & drop.
+        mAppWidgetHostViewPreview = isLauncherContext(context)
+                ? new LauncherAppWidgetHostView(context)
+                : createAppWidgetHostView(context);
         LauncherAppWidgetProviderInfo launcherAppWidgetProviderInfo =
-                LauncherAppWidgetProviderInfo.fromProviderInfo(getContext(),
-                        item.widgetInfo.clone());
+                LauncherAppWidgetProviderInfo.fromProviderInfo(context, item.widgetInfo.clone());
         // A hack to force the initial layout to be the preview layout since there is no API for
         // rendering a preview layout for work profile apps yet. For non-work profile layout, a
         // proper solution is to use RemoteViews(PackageName, LayoutId).
@@ -400,6 +401,24 @@
         return "";
     }
 
+    private static NavigableAppWidgetHostView createAppWidgetHostView(Context context) {
+        return new NavigableAppWidgetHostView(context) {
+            @Override
+            protected boolean shouldAllowDirectClick() {
+                return false;
+            }
+        };
+    }
+
+    private static boolean isLauncherContext(Context context) {
+        try {
+            Launcher.getLauncher(context);
+            return true;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
     @Override
     public CharSequence getAccessibilityClassName() {
         return WidgetCell.class.getName();