From 4ba16e66fe32b25b2d1f89237d507d6f7d3d8b6d Mon Sep 17 00:00:00 2001
From: Jaewan Kim <jaewan@google.com>
Date: Thu, 7 Apr 2016 16:22:49 +0900
Subject: [PATCH] PIP: Implement overlay text fade in/out

Bug: 28030603
Change-Id: Iac3e0007b66173f13082b3625c0dbfc8e6990ffa
---
 .../anim/tv_pip_overlay_fade_in_animation.xml | 21 +++++++++++++++++++
 .../tv_pip_overlay_fade_out_animation.xml     | 21 +++++++++++++++++++
 .../systemui/tv/pip/PipOverlayActivity.java   | 13 +++++++++++-
 3 files changed, 54 insertions(+), 1 deletion(-)
 create mode 100644 packages/SystemUI/res/anim/tv_pip_overlay_fade_in_animation.xml
 create mode 100644 packages/SystemUI/res/anim/tv_pip_overlay_fade_out_animation.xml

diff --git a/packages/SystemUI/res/anim/tv_pip_overlay_fade_in_animation.xml b/packages/SystemUI/res/anim/tv_pip_overlay_fade_in_animation.xml
new file mode 100644
index 0000000000000..33bceaa77ce98
--- /dev/null
+++ b/packages/SystemUI/res/anim/tv_pip_overlay_fade_in_animation.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 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.
+-->
+
+<objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:propertyName="alpha"
+    android:valueTo="1"
+    android:interpolator="@android:interpolator/fast_out_slow_in"
+    android:duration="350" />
diff --git a/packages/SystemUI/res/anim/tv_pip_overlay_fade_out_animation.xml b/packages/SystemUI/res/anim/tv_pip_overlay_fade_out_animation.xml
new file mode 100644
index 0000000000000..a12ddffc0bfc7
--- /dev/null
+++ b/packages/SystemUI/res/anim/tv_pip_overlay_fade_out_animation.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 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.
+-->
+
+<objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:propertyName="alpha"
+    android:valueTo="0"
+    android:interpolator="@android:interpolator/fast_out_slow_in"
+    android:duration="500" />
diff --git a/packages/SystemUI/src/com/android/systemui/tv/pip/PipOverlayActivity.java b/packages/SystemUI/src/com/android/systemui/tv/pip/PipOverlayActivity.java
index e205ff5749b02..011e159bb12f5 100644
--- a/packages/SystemUI/src/com/android/systemui/tv/pip/PipOverlayActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/tv/pip/PipOverlayActivity.java
@@ -16,6 +16,8 @@
 
 package com.android.systemui.tv.pip;
 
+import android.animation.Animator;
+import android.animation.AnimatorInflater;
 import android.app.Activity;
 import android.app.ActivityOptions;
 import android.content.Context;
@@ -50,9 +52,11 @@ public class PipOverlayActivity extends Activity implements PipManager.Listener
     private ImageView mGuideButtonPlayPauseImageView;
     private final Runnable mHideGuideOverlayRunnable = new Runnable() {
         public void run() {
-            mGuideOverlayView.setVisibility(View.GONE);
+            mFadeOutAnimation.start();
         }
     };
+    private Animator mFadeInAnimation;
+    private Animator mFadeOutAnimation;
 
     /**
      * Shows PIP overlay UI only if it's not there.
@@ -74,11 +78,18 @@ public class PipOverlayActivity extends Activity implements PipManager.Listener
         setContentView(R.layout.tv_pip_overlay);
         mGuideOverlayView = findViewById(R.id.guide_overlay);
         mPipManager.addListener(this);
+        mFadeInAnimation = AnimatorInflater.loadAnimator(
+                this, R.anim.tv_pip_overlay_fade_in_animation);
+        mFadeInAnimation.setTarget(mGuideOverlayView);
+        mFadeOutAnimation = AnimatorInflater.loadAnimator(
+                this, R.anim.tv_pip_overlay_fade_out_animation);
+        mFadeOutAnimation.setTarget(mGuideOverlayView);
     }
 
     @Override
     protected void onResume() {
         super.onResume();
+        mFadeInAnimation.start();
         mHandler.removeCallbacks(mHideGuideOverlayRunnable);
         mHandler.postDelayed(mHideGuideOverlayRunnable, SHOW_GUIDE_OVERLAY_VIEW_DURATION_MS);
     }