Merge "Making recents faster"

Author: mikejurka

core/res/res/anim/recents_fade_in.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/* //device/apps/common/res/anim/recents_fade_in.xml
+**
+** Copyright 2012, 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.
+*/
+-->
+
+<alpha xmlns:android="http://schemas.android.com/apk/res/android"
+        android:interpolator="@interpolator/decelerate_quad"
+        android:fromAlpha="0.0" android:toAlpha="1.0"
+        android:duration="150" />

core/res/res/anim/recents_fade_out.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/* //device/apps/common/res/anim/recents_fade_out.xml
+**
+** Copyright 2012, 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.
+*/
+-->
+
+<alpha xmlns:android="http://schemas.android.com/apk/res/android" android:interpolator="@interpolator/accelerate_quad"
+    android:fromAlpha="1.0"
+    android:toAlpha="0.0"
+    android:duration="150" />

core/res/res/values/public.xml

@@ -1083,6 +1083,7 @@
   <java-symbol type="style" name="ActiveWallpaperSettings" />
   <java-symbol type="style" name="Animation.InputMethodFancy" />
   <java-symbol type="style" name="Animation.Wallpaper" />
+  <java-symbol type="style" name="Animation.RecentApplications" />
   <java-symbol type="style" name="Animation.ZoomButtons" />
   <java-symbol type="style" name="PreviewWallpaperSettings" />
   <java-symbol type="style" name="TextAppearance.SlidingTabActive" />

core/res/res/values/styles.xml

@@ -198,8 +198,10 @@ please see styles_device_defaults.xml.
     <!-- A special animation we can use for recent applications,
          for devices that can support it (do alpha transformations). -->
     <style name="Animation.RecentApplications">
-        <item name="windowEnterAnimation">@anim/fade_in</item>
-        <item name="windowExitAnimation">@anim/fade_out</item>
+        <item name="windowEnterAnimation">@anim/recents_fade_in</item>
+        <item name="windowShowAnimation">@anim/recents_fade_in</item>
+        <item name="windowExitAnimation">@anim/recents_fade_out</item>
+        <item name="windowHideAnimation">@anim/recents_fade_out</item>
     </style>
 
     <!-- A special animation value used internally for popup windows. -->

packages/SystemUI/res/layout-land/status_bar_recent_item.xml

@@ -58,6 +58,7 @@
             android:maxHeight="@dimen/status_bar_recents_app_icon_max_height"
             android:scaleType="centerInside"
             android:adjustViewBounds="true"
+            android:visibility="invisible"
         />
 
         <TextView android:id="@+id/app_label"

packages/SystemUI/res/layout-port/status_bar_recent_item.xml

@@ -81,6 +81,7 @@
             android:maxHeight="@dimen/status_bar_recents_app_icon_max_height"
             android:scaleType="centerInside"
             android:adjustViewBounds="true"
+            android:visibility="invisible"
         />
 
         <TextView android:id="@+id/app_description"

packages/SystemUI/res/layout-sw600dp/status_bar_recent_item.xml

@@ -65,6 +65,7 @@
         android:maxHeight="@dimen/status_bar_recents_app_icon_max_height"
         android:scaleType="centerInside"
         android:adjustViewBounds="true"
+        android:visibility="invisible"
     />
 
 

packages/SystemUI/src/com/android/systemui/SwipeHelper.java

@@ -236,6 +236,10 @@ public void dismissChild(final View view, float velocity) {
             public void onAnimationEnd(Animator animation) {
                 mCallback.onChildDismissed(view);
                 animView.setLayerType(View.LAYER_TYPE_NONE, null);
+                // Restore the alpha/translation parameters to what they were before swiping
+                // (for when these items are recycled)
+                animView.setAlpha(1f);
+                setTranslation(animView, 0f);
             }
         });
         anim.addUpdateListener(new AnimatorUpdateListener() {

packages/SystemUI/src/com/android/systemui/recent/Choreographer.java

@@ -134,6 +134,7 @@ void startAnimation(boolean appearing) {
 
     void jumpTo(boolean appearing) {
         mContentView.setTranslationY(appearing ? 0 : mPanelHeight);
+        mScrimView.getBackground().setAlpha(appearing ? 255 : 0);
     }
 
     public void setPanelHeight(int h) {