Add new GradientView just for WidgetsBottomSheet

Reusing the one behind all apps caused problems when
opening widgets sheets from all apps.

Bug: 64344341
Change-Id: Ia964d8456645c78614f94693f9538dbac4f566a0

5 files changed, 41 insertions, 26 deletions

diff --git a/res/layout-land/launcher.xml b/res/layout-land/launcher.xml
index dab074391..ac440fc01 100644
--- a/res/layout-land/launcher.xml
+++ b/res/layout-land/launcher.xml
@@ -42,12 +42,7 @@
             android:layout_gravity="center"
             launcher:pageIndicator="@id/page_indicator" />
 
-        <com.android.launcher3.graphics.GradientView
-            android:id="@+id/gradient_bg"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:visibility="gone"
-            launcher:layout_ignoreInsets="true"/>
+        <include layout="@layout/gradient_bg" />
 
         <!-- DO NOT CHANGE THE ID -->
         <include layout="@layout/hotseat"
diff --git a/res/layout-port/launcher.xml b/res/layout-port/launcher.xml
index bace51aac..c41a6e380 100644
--- a/res/layout-port/launcher.xml
+++ b/res/layout-port/launcher.xml
@@ -44,12 +44,7 @@
             launcher:pageIndicator="@+id/page_indicator">
         </com.android.launcher3.Workspace>
 
-        <com.android.launcher3.graphics.GradientView
-            android:id="@+id/gradient_bg"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:visibility="gone"
-            launcher:layout_ignoreInsets="true"/>
+        <include layout="@layout/gradient_bg" />
 
         <!-- DO NOT CHANGE THE ID -->
         <include layout="@layout/hotseat"
diff --git a/res/layout-sw720dp/launcher.xml b/res/layout-sw720dp/launcher.xml
index 18d235c1d..03e42bc1d 100644
--- a/res/layout-sw720dp/launcher.xml
+++ b/res/layout-sw720dp/launcher.xml
@@ -43,12 +43,7 @@
             launcher:pageIndicator="@id/page_indicator">
         </com.android.launcher3.Workspace>
 
-        <com.android.launcher3.graphics.GradientView
-            android:id="@+id/gradient_bg"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:visibility="gone"
-            launcher:layout_ignoreInsets="true"/>
+        <include layout="@layout/gradient_bg" />
 
         <!-- DO NOT CHANGE THE ID -->
         <include layout="@layout/hotseat"
diff --git a/res/layout/gradient_bg.xml b/res/layout/gradient_bg.xml
new file mode 100644
index 000000000..db448d781
--- /dev/null
+++ b/res/layout/gradient_bg.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2017 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<com.android.launcher3.graphics.GradientView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:launcher="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/gradient_bg"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:visibility="gone"
+    launcher:layout_ignoreInsets="true" />
\ No newline at end of file
diff --git a/src/com/android/launcher3/widget/WidgetsBottomSheet.java b/src/com/android/launcher3/widget/WidgetsBottomSheet.java
index b2fb09157..717a61c1c 100644
--- a/src/com/android/launcher3/widget/WidgetsBottomSheet.java
+++ b/src/com/android/launcher3/widget/WidgetsBottomSheet.java
@@ -89,7 +89,8 @@ public class WidgetsBottomSheet extends AbstractFloatingView implements Insettab
         mInsets = new Rect();
         mVerticalPullDetector = new VerticalPullDetector(context);
         mVerticalPullDetector.setListener(this);
-        mGradientBackground = (GradientView) mLauncher.findViewById(R.id.gradient_bg);
+        mGradientBackground = (GradientView) mLauncher.getLayoutInflater().inflate(
+                R.layout.gradient_bg, mLauncher.getDragLayer(), false);
     }
 
     @Override
@@ -107,6 +108,8 @@ public class WidgetsBottomSheet extends AbstractFloatingView implements Insettab
 
         onWidgetsBound();
 
+        mLauncher.getDragLayer().addView(mGradientBackground);
+        mGradientBackground.setVisibility(VISIBLE);
         mLauncher.getDragLayer().addView(this);
         measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
         setTranslationY(mTranslationYClosed);
@@ -213,11 +216,8 @@ public class WidgetsBottomSheet extends AbstractFloatingView implements Insettab
             mOpenCloseAnimator.addListener(new AnimatorListenerAdapter() {
                 @Override
                 public void onAnimationEnd(Animator animation) {
-                    mIsOpen = false;
                     mVerticalPullDetector.finishedScrolling();
-                    ((ViewGroup) getParent()).removeView(WidgetsBottomSheet.this);
-                    mLauncher.getSystemUiController().updateUiState(
-                            SystemUiController.UI_STATE_WIDGET_BOTTOM_SHEET, 0);
+                    onCloseComplete();
                 }
             });
             mOpenCloseAnimator.setInterpolator(mVerticalPullDetector.isIdleState()
@@ -225,12 +225,18 @@ public class WidgetsBottomSheet extends AbstractFloatingView implements Insettab
             mOpenCloseAnimator.start();
         } else {
             setTranslationY(mTranslationYClosed);
-            mLauncher.getSystemUiController().updateUiState(
-                    SystemUiController.UI_STATE_WIDGET_BOTTOM_SHEET, 0);
-            mIsOpen = false;
+            onCloseComplete();
         }
     }
 
+    private void onCloseComplete() {
+        mIsOpen = false;
+        mLauncher.getDragLayer().removeView(mGradientBackground);
+        mLauncher.getDragLayer().removeView(WidgetsBottomSheet.this);
+        mLauncher.getSystemUiController().updateUiState(
+                SystemUiController.UI_STATE_WIDGET_BOTTOM_SHEET, 0);
+    }
+
     @Override
     protected boolean isOfType(@FloatingViewType int type) {
         return (type & TYPE_WIDGETS_BOTTOM_SHEET) != 0;