Remove mVideoPaused from VideoPreference

- We destoryed the MediaPlayer when VideoPreference is onPause().
When VideoPreference is onResumed, MediaPlayer always start from
pause state, we don't need a data save/restore current video state.

Bug: 143270527
Test: robolectric, manual
Change-Id: I544e933e4237f6d92aeff8a7eb04b52e89d74a4a
diff --git a/res/xml/security_settings_face.xml b/res/xml/security_settings_face.xml
index 4b4de17..b57b137 100644
--- a/res/xml/security_settings_face.xml
+++ b/res/xml/security_settings_face.xml
@@ -25,7 +25,7 @@
         android:key="security_settings_face_video"
         android:title="@string/summary_placeholder"
         app:animation="@raw/face_settings"
-        app:controller="com.android.settings.biometrics.face.FaceSettingsVideoPreferenceController"/>
+        app:controller="com.android.settings.widget.VideoPreferenceController"/>
 
     <PreferenceCategory
         android:key="security_settings_face_unlock_category"
diff --git a/src/com/android/settings/biometrics/face/FaceSettings.java b/src/com/android/settings/biometrics/face/FaceSettings.java
index e5c2a66..9bc5214 100644
--- a/src/com/android/settings/biometrics/face/FaceSettings.java
+++ b/src/com/android/settings/biometrics/face/FaceSettings.java
@@ -259,7 +259,6 @@
     private static List<AbstractPreferenceController> buildPreferenceControllers(Context context,
             Lifecycle lifecycle) {
         final List<AbstractPreferenceController> controllers = new ArrayList<>();
-        controllers.add(new FaceSettingsVideoPreferenceController(context));
         controllers.add(new FaceSettingsKeyguardPreferenceController(context));
         controllers.add(new FaceSettingsAppPreferenceController(context));
         controllers.add(new FaceSettingsRemoveButtonPreferenceController(context));
diff --git a/src/com/android/settings/biometrics/face/FaceSettingsVideoPreferenceController.java b/src/com/android/settings/biometrics/face/FaceSettingsVideoPreferenceController.java
deleted file mode 100644
index 4edbb67..0000000
--- a/src/com/android/settings/biometrics/face/FaceSettingsVideoPreferenceController.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (C) 2019 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
- */
-
-package com.android.settings.biometrics.face;
-
-import android.content.Context;
-
-import androidx.preference.PreferenceScreen;
-
-import com.android.settings.widget.VideoPreference;
-import com.android.settings.widget.VideoPreferenceController;
-
-/**
- * Preference controller for the video for face settings.
- */
-public class FaceSettingsVideoPreferenceController extends VideoPreferenceController {
-
-    private static final String KEY_VIDEO = "security_settings_face_video";
-
-    private VideoPreference mVideoPreference;
-
-    public FaceSettingsVideoPreferenceController(Context context,
-            String preferenceKey) {
-        super(context, preferenceKey);
-    }
-
-    public FaceSettingsVideoPreferenceController(Context context) {
-        this(context, KEY_VIDEO);
-    }
-
-    @Override
-    public void displayPreference(PreferenceScreen screen) {
-        super.displayPreference(screen);
-        mVideoPreference = screen.findPreference(KEY_VIDEO);
-        mVideoPreference.onViewVisible(false /* paused */);
-    }
-}
diff --git a/src/com/android/settings/gestures/GesturePreferenceController.java b/src/com/android/settings/gestures/GesturePreferenceController.java
index d7b386a..845fba3 100644
--- a/src/com/android/settings/gestures/GesturePreferenceController.java
+++ b/src/com/android/settings/gestures/GesturePreferenceController.java
@@ -17,9 +17,7 @@
 package com.android.settings.gestures;
 
 import android.content.Context;
-import android.os.Bundle;
 
-import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
@@ -27,21 +25,14 @@
 import com.android.settings.core.TogglePreferenceController;
 import com.android.settings.widget.VideoPreference;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
-import com.android.settingslib.core.lifecycle.events.OnCreate;
 import com.android.settingslib.core.lifecycle.events.OnPause;
 import com.android.settingslib.core.lifecycle.events.OnResume;
-import com.android.settingslib.core.lifecycle.events.OnSaveInstanceState;
 
 public abstract class GesturePreferenceController extends TogglePreferenceController
         implements Preference.OnPreferenceChangeListener,
-        LifecycleObserver, OnResume, OnPause, OnCreate, OnSaveInstanceState {
-
-    @VisibleForTesting
-    static final String KEY_VIDEO_PAUSED = "key_video_paused";
+        LifecycleObserver, OnResume, OnPause {
 
     private VideoPreference mVideoPreference;
-    @VisibleForTesting
-    boolean mVideoPaused;
 
     public GesturePreferenceController(Context context, String key) {
         super(context, key);
@@ -71,21 +62,8 @@
     }
 
     @Override
-    public void onCreate(Bundle savedInstanceState) {
-        if (savedInstanceState != null) {
-            mVideoPaused = savedInstanceState.getBoolean(KEY_VIDEO_PAUSED, false);
-        }
-    }
-
-    @Override
-    public void onSaveInstanceState(Bundle outState) {
-        outState.putBoolean(KEY_VIDEO_PAUSED, mVideoPaused);
-    }
-
-    @Override
     public void onPause() {
         if (mVideoPreference != null) {
-            mVideoPaused = mVideoPreference.isVideoPaused();
             mVideoPreference.onViewInvisible();
         }
     }
@@ -93,7 +71,7 @@
     @Override
     public void onResume() {
         if (mVideoPreference != null) {
-            mVideoPreference.onViewVisible(mVideoPaused);
+            mVideoPreference.onViewVisible();
         }
     }
 
diff --git a/src/com/android/settings/gestures/PreventRingingGesturePreferenceController.java b/src/com/android/settings/gestures/PreventRingingGesturePreferenceController.java
index e4e0bed..541bfe4 100644
--- a/src/com/android/settings/gestures/PreventRingingGesturePreferenceController.java
+++ b/src/com/android/settings/gestures/PreventRingingGesturePreferenceController.java
@@ -20,7 +20,6 @@
 import android.content.Context;
 import android.database.ContentObserver;
 import android.net.Uri;
-import android.os.Bundle;
 import android.os.Handler;
 import android.provider.Settings;
 
@@ -35,15 +34,13 @@
 import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
-import com.android.settingslib.core.lifecycle.events.OnCreate;
 import com.android.settingslib.core.lifecycle.events.OnPause;
 import com.android.settingslib.core.lifecycle.events.OnResume;
-import com.android.settingslib.core.lifecycle.events.OnSaveInstanceState;
 import com.android.settingslib.widget.RadioButtonPreference;
 
 public class PreventRingingGesturePreferenceController extends AbstractPreferenceController
-        implements RadioButtonPreference.OnClickListener, LifecycleObserver, OnSaveInstanceState,
-        OnResume, OnPause, OnCreate, PreferenceControllerMixin {
+        implements RadioButtonPreference.OnClickListener, LifecycleObserver,
+        OnResume, OnPause, PreferenceControllerMixin {
 
     @VisibleForTesting
     static final String KEY_VIBRATE = "prevent_ringing_option_vibrate";
@@ -51,13 +48,11 @@
     @VisibleForTesting
     static final String KEY_MUTE = "prevent_ringing_option_mute";
 
-    private final String KEY_VIDEO_PAUSED = "key_video_paused";
     private final String PREF_KEY_VIDEO = "gesture_prevent_ringing_video";
     private final String KEY = "gesture_prevent_ringing_category";
     private final Context mContext;
 
     private VideoPreference mVideoPreference;
-    private boolean mVideoPaused;
 
     @VisibleForTesting
     PreferenceCategory mPreferenceCategory;
@@ -110,11 +105,6 @@
     }
 
     @Override
-    public void onSaveInstanceState(Bundle outState) {
-        outState.putBoolean(KEY_VIDEO_PAUSED, mVideoPaused);
-    }
-
-    @Override
     public void onRadioButtonClicked(RadioButtonPreference preference) {
         int preventRingingSetting = keyToSetting(preference.getKey());
         if (preventRingingSetting != Settings.Secure.getInt(mContext.getContentResolver(),
@@ -147,13 +137,6 @@
     }
 
     @Override
-    public void onCreate(Bundle savedInstanceState) {
-        if (savedInstanceState != null) {
-            mVideoPaused = savedInstanceState.getBoolean(KEY_VIDEO_PAUSED, false);
-        }
-    }
-
-    @Override
     public void onResume() {
         if (mSettingObserver != null) {
             mSettingObserver.register(mContext.getContentResolver());
@@ -161,7 +144,7 @@
         }
 
         if (mVideoPreference != null) {
-            mVideoPreference.onViewVisible(mVideoPaused);
+            mVideoPreference.onViewVisible();
         }
     }
 
@@ -172,7 +155,6 @@
         }
 
         if (mVideoPreference != null) {
-            mVideoPaused = mVideoPreference.isVideoPaused();
             mVideoPreference.onViewInvisible();
         }
     }
diff --git a/src/com/android/settings/widget/VideoPreference.java b/src/com/android/settings/widget/VideoPreference.java
index 73b63b1..d23bea9 100644
--- a/src/com/android/settings/widget/VideoPreference.java
+++ b/src/com/android/settings/widget/VideoPreference.java
@@ -45,7 +45,6 @@
     AnimationController mAnimationController;
     @VisibleForTesting
     boolean mAnimationAvailable;
-    private boolean mVideoPaused;
     private float mAspectRatio = 1.0f;
     private int mPreviewId;
     private int mAnimationId;
@@ -130,11 +129,16 @@
         super.onDetached();
     }
 
-    public void onViewVisible(boolean videoPaused) {
-        mVideoPaused = videoPaused;
+    /**
+     * Called from {@link VideoPreferenceController} when the view is onResume
+     */
+    public void onViewVisible() {
         initAnimationController();
     }
 
+    /**
+     * Called from {@link VideoPreferenceController} when the view is onPause
+     */
     public void onViewInvisible() {
         releaseAnimationController();
     }
@@ -174,10 +178,6 @@
         return mAnimationAvailable;
     }
 
-    public boolean isVideoPaused() {
-        return mVideoPaused;
-    }
-
     /**
      * sets the height of the video preference
      *
diff --git a/src/com/android/settings/widget/VideoPreferenceController.java b/src/com/android/settings/widget/VideoPreferenceController.java
index 488a554..5f30fe4 100644
--- a/src/com/android/settings/widget/VideoPreferenceController.java
+++ b/src/com/android/settings/widget/VideoPreferenceController.java
@@ -29,7 +29,6 @@
         LifecycleObserver, OnResume, OnPause {
 
     private VideoPreference mVideoPreference;
-    private boolean mVideoPaused;
 
     public VideoPreferenceController(Context context, String preferenceKey) {
         super(context, preferenceKey);
@@ -50,7 +49,6 @@
     @Override
     public void onPause() {
         if (mVideoPreference != null) {
-            mVideoPaused = mVideoPreference.isVideoPaused();
             mVideoPreference.onViewInvisible();
         }
     }
@@ -58,7 +56,7 @@
     @Override
     public void onResume() {
         if (mVideoPreference != null) {
-            mVideoPreference.onViewVisible(mVideoPaused);
+            mVideoPreference.onViewVisible();
         }
     }
 
diff --git a/tests/robotests/src/com/android/settings/gestures/GesturePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/gestures/GesturePreferenceControllerTest.java
index d96ce75..cccbf97 100644
--- a/tests/robotests/src/com/android/settings/gestures/GesturePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/gestures/GesturePreferenceControllerTest.java
@@ -20,12 +20,10 @@
 
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.reset;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.os.Bundle;
 
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
@@ -83,29 +81,15 @@
     }
 
     @Test
-    public void onResume_shouldStartVideoPreferenceWithVideoPauseState() {
+    public void onResume_shouldStartVideoPreference() {
         final VideoPreference videoPreference = mock(VideoPreference.class);
         when(mScreen.findPreference(mController.getVideoPrefKey())).thenReturn(videoPreference);
         mController.mIsPrefAvailable = true;
-
         mController.displayPreference(mScreen);
-        final Bundle savedState = new Bundle();
 
-        mController.onCreate(null);
         mController.onResume();
-        verify(videoPreference).onViewVisible(false);
 
-        reset(videoPreference);
-        savedState.putBoolean(GesturePreferenceController.KEY_VIDEO_PAUSED, true);
-        mController.onCreate(savedState);
-        mController.onResume();
-        verify(videoPreference).onViewVisible(true);
-
-        reset(videoPreference);
-        savedState.putBoolean(GesturePreferenceController.KEY_VIDEO_PAUSED, false);
-        mController.onCreate(savedState);
-        mController.onResume();
-        verify(videoPreference).onViewVisible(false);
+        verify(videoPreference).onViewVisible();
     }
 
     @Test
@@ -121,35 +105,6 @@
     }
 
     @Test
-    public void onPause_shouldUpdateVideoPauseState() {
-        final VideoPreference videoPreference = mock(VideoPreference.class);
-        when(mScreen.findPreference(mController.getVideoPrefKey())).thenReturn(videoPreference);
-        mController.mIsPrefAvailable = true;
-        mController.displayPreference(mScreen);
-
-        when(videoPreference.isVideoPaused()).thenReturn(true);
-        mController.onPause();
-        assertThat(mController.mVideoPaused).isTrue();
-
-        when(videoPreference.isVideoPaused()).thenReturn(false);
-        mController.onPause();
-        assertThat(mController.mVideoPaused).isFalse();
-    }
-
-    @Test
-    public void onSaveInstanceState_shouldSaveVideoPauseState() {
-        final Bundle outState = mock(Bundle.class);
-
-        mController.mVideoPaused = true;
-        mController.onSaveInstanceState(outState);
-        verify(outState).putBoolean(GesturePreferenceController.KEY_VIDEO_PAUSED, true);
-
-        mController.mVideoPaused = false;
-        mController.onSaveInstanceState(outState);
-        verify(outState).putBoolean(GesturePreferenceController.KEY_VIDEO_PAUSED, false);
-    }
-
-    @Test
     public void updateState_preferenceSetCheckedWhenSettingIsOn() {
         // Mock a TwoStatePreference
         final TwoStatePreference preference = mock(TwoStatePreference.class);
diff --git a/tests/robotests/src/com/android/settings/widget/VideoPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/widget/VideoPreferenceControllerTest.java
index 89d006a..e03c70a8 100644
--- a/tests/robotests/src/com/android/settings/widget/VideoPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/widget/VideoPreferenceControllerTest.java
@@ -21,7 +21,6 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import static org.mockito.Mockito.anyBoolean;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
@@ -92,6 +91,6 @@
 
         mController.onResume();
 
-        verify(mPreference).onViewVisible(anyBoolean());
+        verify(mPreference).onViewVisible();
     }
 }
diff --git a/tests/robotests/src/com/android/settings/widget/VideoPreferenceTest.java b/tests/robotests/src/com/android/settings/widget/VideoPreferenceTest.java
index 4dad686..09ee615 100644
--- a/tests/robotests/src/com/android/settings/widget/VideoPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/widget/VideoPreferenceTest.java
@@ -107,8 +107,6 @@
 
     @Test
     public void onViewInvisible_shouldReleaseMediaplayer() {
-        mVideoPreference.onViewVisible(false);
-
         mVideoPreference.onViewInvisible();
 
         verify(mAnimationController).release();