Move scrim from DragLayer to LauncherRootView.

This change will make opening/closing animations a lot cleaner.

Change-Id: I7f8ae301a9a126023833e282d6654bebd09bb306

7 files changed, 15 insertions, 21 deletions

diff --git a/quickstep/src/com/android/launcher3/LauncherAppTransitionManager.java b/quickstep/src/com/android/launcher3/LauncherAppTransitionManager.java
index d2777f08f..8ee1b85be 100644
--- a/quickstep/src/com/android/launcher3/LauncherAppTransitionManager.java
+++ b/quickstep/src/com/android/launcher3/LauncherAppTransitionManager.java
@@ -88,7 +88,6 @@ public class LauncherAppTransitionManager {
 
                             mDragLayer.setAlpha(1f);
                             mDragLayer.setTranslationY(0f);
-                            mDragLayer.getBackground().setAlpha(255);
                             finishedCallback.run();
                         }
                     });
@@ -118,12 +117,6 @@ public class LauncherAppTransitionManager {
     private AnimatorSet getHideLauncherAnimator() {
         AnimatorSet hideLauncher = new AnimatorSet();
 
-        // Fade out the scrim fast to avoid the hard line
-        ObjectAnimator scrimAlpha = ObjectAnimator.ofInt(mDragLayer.getBackground(),
-                LauncherAnimUtils.DRAWABLE_ALPHA, 255, 0);
-        scrimAlpha.setDuration(130);
-        scrimAlpha.setInterpolator(Interpolators.AGGRESSIVE_EASE);
-
         // Animate Launcher so that it moves downwards and fades out.
         ObjectAnimator dragLayerAlpha = ObjectAnimator.ofFloat(mDragLayer, View.ALPHA, 1f, 0f);
         dragLayerAlpha.setDuration(217);
@@ -133,7 +126,6 @@ public class LauncherAppTransitionManager {
         dragLayerTransY.setInterpolator(Interpolators.AGGRESSIVE_EASE);
         dragLayerTransY.setDuration(350);
 
-        hideLauncher.play(scrimAlpha);
         hideLauncher.play(dragLayerAlpha);
         hideLauncher.play(dragLayerTransY);
         return hideLauncher;
diff --git a/res/layout-land/launcher.xml b/res/layout-land/launcher.xml
index 9bd3c672b..f26bfbd0d 100644
--- a/res/layout-land/launcher.xml
+++ b/res/layout-land/launcher.xml
@@ -21,13 +21,13 @@
     android:id="@+id/launcher"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="?attr/workspaceStatusBarScrim"
     android:fitsSystemWindows="true">
 
     <com.android.launcher3.dragndrop.DragLayer
         android:id="@+id/drag_layer"
         android:clipChildren="false"
         android:clipToPadding="false"
-        android:background="?attr/workspaceStatusBarScrim"
         android:importantForAccessibility="no"
         android:layout_width="match_parent"
         android:layout_height="match_parent">
diff --git a/res/layout-port/launcher.xml b/res/layout-port/launcher.xml
index b678398f9..cde3bd559 100644
--- a/res/layout-port/launcher.xml
+++ b/res/layout-port/launcher.xml
@@ -22,6 +22,7 @@
     android:id="@+id/launcher"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="?attr/workspaceStatusBarScrim"
     android:fitsSystemWindows="true">
 
     <com.android.launcher3.dragndrop.DragLayer
@@ -29,7 +30,6 @@
         android:clipChildren="false"
         android:importantForAccessibility="no"
         android:clipToPadding="false"
-        android:background="?attr/workspaceStatusBarScrim"
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
diff --git a/res/layout-sw720dp/launcher.xml b/res/layout-sw720dp/launcher.xml
index 7e6c659ad..fe2f10846 100644
--- a/res/layout-sw720dp/launcher.xml
+++ b/res/layout-sw720dp/launcher.xml
@@ -21,6 +21,7 @@
     android:id="@+id/launcher"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="?attr/workspaceStatusBarScrim"
     android:fitsSystemWindows="true">
 
     <com.android.launcher3.dragndrop.DragLayer
@@ -28,7 +29,6 @@
         android:clipChildren="false"
         android:clipToPadding="false"
         android:importantForAccessibility="no"
-        android:background="?attr/workspaceStatusBarScrim"
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index bfd3d69f0..cf7486623 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -769,12 +769,12 @@ public class Launcher extends BaseActivity
         mAppWidgetHost.setListenIfResumed(true);
         NotificationListener.setNotificationsChangedListener(mPopupDataProvider);
 
-        if (mShouldFadeInScrim && mDragLayer.getBackground() != null) {
+        if (mShouldFadeInScrim && mLauncherView.getBackground() != null) {
             if (mScrimAnimator != null) {
                 mScrimAnimator.cancel();
             }
-            mDragLayer.getBackground().setAlpha(0);
-            mScrimAnimator = ObjectAnimator.ofInt(mDragLayer.getBackground(),
+            mLauncherView.getBackground().setAlpha(0);
+            mScrimAnimator = ObjectAnimator.ofInt(mLauncherView.getBackground(),
                     LauncherAnimUtils.DRAWABLE_ALPHA, 0, 255);
             mScrimAnimator.addListener(new AnimatorListenerAdapter() {
                 @Override
diff --git a/src/com/android/launcher3/LauncherRootView.java b/src/com/android/launcher3/LauncherRootView.java
index 1a1bec684..c2c8a7c96 100644
--- a/src/com/android/launcher3/LauncherRootView.java
+++ b/src/com/android/launcher3/LauncherRootView.java
@@ -11,6 +11,8 @@ import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewDebug;
 
+import com.android.launcher3.util.Themes;
+
 import static com.android.launcher3.util.SystemUiController.FLAG_DARK_NAV;
 import static com.android.launcher3.util.SystemUiController.UI_STATE_ROOT_VIEW;
 
@@ -81,6 +83,13 @@ public class LauncherRootView extends InsettableFrameLayout {
         return true; // I'll take it from here
     }
 
+    @Override
+    public void setInsets(Rect insets) {
+        super.setInsets(insets);
+        setBackground(insets.top == 0 ? null
+                : Themes.getAttrDrawable(getContext(), R.attr.workspaceStatusBarScrim));
+    }
+
     public void dispatchInsets() {
         fitSystemWindows(mInsets);
     }
diff --git a/src/com/android/launcher3/dragndrop/DragLayer.java b/src/com/android/launcher3/dragndrop/DragLayer.java
index c75e61632..93a56791e 100644
--- a/src/com/android/launcher3/dragndrop/DragLayer.java
+++ b/src/com/android/launcher3/dragndrop/DragLayer.java
@@ -366,13 +366,6 @@ public class DragLayer extends InsettableFrameLayout {
     }
 
     @Override
-    public void setInsets(Rect insets) {
-        super.setInsets(insets);
-        setBackground(insets.top == 0 ? null
-                : Themes.getAttrDrawable(getContext(), R.attr.workspaceStatusBarScrim));
-    }
-
-    @Override
     public LayoutParams generateLayoutParams(AttributeSet attrs) {
         return new LayoutParams(getContext(), attrs);
     }