Create QS media player setting

Test: make RunSettingsRoboTests ROBOTEST_FILTER=QuickSettingsMediaPlayerPreferenceControllerTest
Test: manual
Fixes: 155315021
Change-Id: I2583b985710898d0480f599fc9b5a2451c8950a7

res/values/strings.xml

@@ -11760,6 +11760,11 @@
     <!-- Summary for the top level Privacy Settings [CHAR LIMIT=NONE]-->
     <string name="privacy_dashboard_summary">Permissions, account activity, personal data</string>
 
+    <!-- UI debug setting: show media player on quick settings title [CHAR LIMIT=60] -->
+    <string name="quick_settings_media_player">Media resumption</string>
+    <!-- UI debug setting: show media player on quick settings summary [CHAR_LIMIT=NONE] -->
+    <string name="quick_settings_media_player_summary">Shows and persists media player in Quick Settings. Requires reboot.</string>
+
     <!-- Label for button in contextual card for users to remove the card [CHAR LIMIT=30] -->
     <string name="contextual_card_dismiss_remove">Remove</string>
     <!-- Label for button in contextual card for users to keep the card [CHAR LIMIT=30] -->

res/xml/development_settings.xml

@@ -525,6 +525,11 @@
             android:title="@string/usb_audio_disable_routing"
             android:summary="@string/usb_audio_disable_routing_summary" />
 
+        <SwitchPreference
+            android:key="quick_settings_media_player"
+            android:title="@string/quick_settings_media_player"
+            android:summary="@string/quick_settings_media_player_summary" />
+
     </PreferenceCategory>
 
     <PreferenceCategory

src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -491,6 +491,7 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra
         controllers.add(new DebugNonRectClipOperationsPreferenceController(context));
         controllers.add(new ForceDarkPreferenceController(context));
         controllers.add(new EnableBlursPreferenceController(context));
+        controllers.add(new QuickSettingsMediaPlayerPreferenceController(context));
         controllers.add(new ForceMSAAPreferenceController(context));
         controllers.add(new HardwareOverlaysPreferenceController(context));
         controllers.add(new SimulateColorSpacePreferenceController(context));

src/com/android/settings/development/QuickSettingsMediaPlayerPreferenceController.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2020 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.development;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.SwitchPreference;
+
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
+/**
+ * Controls whether the media player should be visible in quick settings.
+ */
+public class QuickSettingsMediaPlayerPreferenceController extends
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
+    private static final String PREFERENCE_KEY = "quick_settings_media_player";
+    @VisibleForTesting
+    static final String SETTING_NAME = Settings.Global.SHOW_MEDIA_ON_QUICK_SETTINGS;
+    @VisibleForTesting
+    static final int SETTING_VALUE_ON = 1;
+    @VisibleForTesting
+    static final int SETTING_VALUE_OFF = 0;
+
+    public QuickSettingsMediaPlayerPreferenceController(Context context) {
+        super(context);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return PREFERENCE_KEY;
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        final boolean isEnabled = (Boolean) newValue;
+        Settings.Global.putInt(mContext.getContentResolver(), SETTING_NAME,
+                isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF);
+        return true;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        final int mode = Settings.Global.getInt(mContext.getContentResolver(), SETTING_NAME,
+                SETTING_VALUE_OFF);
+        ((SwitchPreference) mPreference).setChecked(mode != SETTING_VALUE_OFF);
+    }
+
+    @Override
+    protected void onDeveloperOptionsSwitchDisabled() {
+        super.onDeveloperOptionsSwitchDisabled();
+        Settings.Global.putInt(mContext.getContentResolver(), SETTING_NAME, SETTING_VALUE_OFF);
+        ((SwitchPreference) mPreference).setChecked(false);
+    }
+}

tests/robotests/src/com/android/settings/development/QuickSettingsMediaPlayerPreferenceControllerTest.java

@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2020 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.development;
+
+import static com.android.settings.development.QuickSettingsMediaPlayerPreferenceController.SETTING_NAME;
+import static com.android.settings.development.QuickSettingsMediaPlayerPreferenceController.SETTING_VALUE_OFF;
+import static com.android.settings.development.QuickSettingsMediaPlayerPreferenceController.SETTING_VALUE_ON;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class QuickSettingsMediaPlayerPreferenceControllerTest {
+    @Mock
+    private SwitchPreference mPreference;
+    @Mock
+    private PreferenceScreen mPreferenceScreen;
+    @Rule
+    public MockitoRule mMockitoRule = MockitoJUnit.rule();
+
+    private Context mContext;
+    private QuickSettingsMediaPlayerPreferenceController mController;
+
+    @Before
+    public void setup() {
+        mContext = RuntimeEnvironment.application;
+        mController = new QuickSettingsMediaPlayerPreferenceController(mContext);
+        when(mPreferenceScreen.findPreference(mController.getPreferenceKey()))
+            .thenReturn(mPreference);
+        mController.displayPreference(mPreferenceScreen);
+    }
+
+    @Test
+    public void onPreferenceChanged_turnOnPreference_shouldEnable() {
+        mController.onPreferenceChange(mPreference, true /* new value */);
+
+        final int mode = Settings.Global.getInt(mContext.getContentResolver(),
+                SETTING_NAME, -1 /* default */);
+
+        assertThat(mode).isEqualTo(SETTING_VALUE_ON);
+    }
+
+    @Test
+    public void onPreferenceChanged_turnOffPreference_shouldDisable() {
+        mController.onPreferenceChange(mPreference, false /* new value */);
+
+        final int mode = Settings.Global.getInt(mContext.getContentResolver(),
+                SETTING_NAME, -1 /* default */);
+
+        assertThat(mode).isEqualTo(SETTING_VALUE_OFF);
+    }
+
+    @Test
+    public void updateState_settingEnabled_preferenceShouldBeChecked() {
+        Settings.Global.putInt(mContext.getContentResolver(), SETTING_NAME, SETTING_VALUE_ON);
+        mController.updateState(mPreference);
+
+        verify(mPreference).setChecked(true);
+    }
+
+    @Test
+    public void updateState_settingDisabled_preferenceShouldNotBeChecked() {
+        Settings.Global.putInt(mContext.getContentResolver(), SETTING_NAME, SETTING_VALUE_OFF);
+        mController.updateState(mPreference);
+
+        verify(mPreference).setChecked(false);
+    }
+
+    @Test
+    public void onDeveloperOptionsSwitchDisabled_shouldDisable() {
+        mController.onDeveloperOptionsSwitchDisabled();
+        final int mode = Settings.Global.getInt(mContext.getContentResolver(),
+                SETTING_NAME, -1 /* default */);
+
+        assertThat(mode).isEqualTo(SETTING_VALUE_OFF);
+        verify(mPreference).setEnabled(false);
+        verify(mPreference).setChecked(false);
+    }
+}