Merge "Add a toggle that enables/disables an app's notifications in the Settings." into pi-car-dev
am: 0b677a476a

Change-Id: I2cca69446bcc4cc477484d3959b4ce089a4caf1f
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 37fa470..60cef10 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -56,6 +56,7 @@
     <uses-permission android:name="android.permission.SET_TIME"/>
     <uses-permission android:name="android.permission.SET_TIME_ZONE"/>
     <uses-permission android:name="android.permission.START_FOREGROUND"/>
+    <uses-permission android:name="android.permission.STATUS_BAR_SERVICE"/>
     <uses-permission android:name="android.permission.WRITE_MEDIA_STORAGE"/>
     <uses-permission android:name="android.permission.WRITE_SETTINGS"/>
     <uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS"/>
diff --git a/res/values/preference_keys.xml b/res/values/preference_keys.xml
index de3b2b2..996092d 100644
--- a/res/values/preference_keys.xml
+++ b/res/values/preference_keys.xml
@@ -45,7 +45,7 @@
     <!-- Network -->
     <string name="pk_mobile_network_settings_entry" translatable="false">mobile_network_settings_entry</string>
     <string name="pk_network_and_internet_extra_settings" translatable="false">
-        pk_network_and_internet_extra_settings
+        network_and_internet_extra_settings
     </string>
     <string name="pk_mobile_data_toggle" translatable="false">mobile_data_toggle</string>
     <string name="pk_data_usage_settings_entry" translatable="false">data_usage_settings_entry</string>
@@ -110,11 +110,14 @@
         applications_settings_screen
     </string>
     <string name="pk_application_extra_settings" translatable="false">
-        pk_application_extra_settings
+        application_extra_settings
     </string>
 
     <!-- Application Details -->
     <string name="pk_application_details_app" translatable="false">application_details_app</string>
+    <string name="pk_application_details_notifications" translatable="false">
+        application_details_notifications
+    </string>
     <string name="pk_application_details_permissions" translatable="false">
         application_details_permissions
     </string>
@@ -148,8 +151,8 @@
 
     <!-- Accounts -->
     <string name="pk_account_list" translatable="false">account_list</string>
-    <string name="pk_account_settings" translatable="false">pk_account_settings</string>
-    <string name="pk_accounts_extra_settings" translatable="false">pk_accounts_extra_settings</string>
+    <string name="pk_account_settings" translatable="false">account_settings</string>
+    <string name="pk_accounts_extra_settings" translatable="false">accounts_extra_settings</string>
     <string name="pk_account_auto_sync" translatable="false">account_auto_sync</string>
     <string name="pk_add_account" translatable="false">add_account</string>
     <string name="pk_account_details" translatable="false">account_details</string>
@@ -161,14 +164,14 @@
     <string name="pk_adaptive_brightness_switch" translatable="false">adaptive_brightness_switch
     </string>
     <string name="pk_brightness_level" translatable="false">brightness_level</string>
-    <string name="pk_display_extra_settings" translatable="false">pk_display_extra_settings</string>
+    <string name="pk_display_extra_settings" translatable="false">display_extra_settings</string>
 
     <!-- Sound Settings -->
     <string name="pk_volume_settings" translatable="false">volume_settings</string>
     <string name="pk_default_ringtone" translatable="false">default_ringtone</string>
     <string name="pk_default_notification" translatable="false">default_notification</string>
     <string name="pk_default_alarm" translatable="false">default_alarm</string>
-    <string name="pk_sounds_extra_settings" translatable="false">pk_sounds_extra_settings</string>
+    <string name="pk_sounds_extra_settings" translatable="false">sounds_extra_settings</string>
 
     <!-- Location Settings -->
     <string name="pk_location_recent_requests_entry" translatable="false">
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 2e121ff..2952163 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -327,6 +327,8 @@
     <string name="app_disable_dialog_positive">Disable app</string>
     <!-- Manage applications, individual application info screen, heading for settings related to the app's permissions. for example, it may list all the permissions the app has. -->
     <string name="permissions_label">Permissions</string>
+    <!-- Label for the toggle that enables/disables an app's notifications. [CHAR LIMIT=20] -->
+    <string name="notifications_label">Notifications</string>
     <!-- Label for displaying application version. -->
     <string name="application_version_label">Version: %1$s</string>
     <!-- Runtime permissions preference summary, shown when the app has no permissions granted. [CHAR LIMIT=40] -->
diff --git a/res/xml/application_details_fragment.xml b/res/xml/application_details_fragment.xml
index 4026f43..2f4ac1a 100644
--- a/res/xml/application_details_fragment.xml
+++ b/res/xml/application_details_fragment.xml
@@ -22,6 +22,10 @@
     <Preference
         android:key="@string/pk_application_details_app"
         settings:controller="com.android.car.settings.applications.ApplicationPreferenceController"/>
+    <SwitchPreference
+        android:key="@string/pk_application_details_notifications"
+        android:title="@string/notifications_label"
+        settings:controller="com.android.car.settings.applications.NotificationsPreferenceController"/>
     <Preference
         android:key="@string/pk_application_details_permissions"
         android:title="@string/permissions_label"
diff --git a/src/com/android/car/settings/applications/ApplicationDetailsFragment.java b/src/com/android/car/settings/applications/ApplicationDetailsFragment.java
index 3b781d4..275968c 100644
--- a/src/com/android/car/settings/applications/ApplicationDetailsFragment.java
+++ b/src/com/android/car/settings/applications/ApplicationDetailsFragment.java
@@ -145,6 +145,8 @@
         use(ApplicationPreferenceController.class,
                 R.string.pk_application_details_app)
                 .setAppEntry(mAppEntry).setAppState(mAppState);
+        use(NotificationsPreferenceController.class,
+                R.string.pk_application_details_notifications).setPackageInfo(mPackageInfo);
         use(PermissionsPreferenceController.class,
                 R.string.pk_application_details_permissions).setPackageName(mPackageName);
         use(VersionPreferenceController.class,
diff --git a/src/com/android/car/settings/applications/NotificationsPreferenceController.java b/src/com/android/car/settings/applications/NotificationsPreferenceController.java
new file mode 100644
index 0000000..db7da71
--- /dev/null
+++ b/src/com/android/car/settings/applications/NotificationsPreferenceController.java
@@ -0,0 +1,106 @@
+/*
+ * 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.car.settings.applications;
+
+import static android.app.NotificationManager.IMPORTANCE_NONE;
+import static android.app.NotificationManager.IMPORTANCE_UNSPECIFIED;
+
+import android.app.INotificationManager;
+import android.app.NotificationChannel;
+import android.car.drivingstate.CarUxRestrictions;
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.os.ServiceManager;
+
+import androidx.preference.TwoStatePreference;
+
+import com.android.car.settings.common.FragmentController;
+import com.android.car.settings.common.Logger;
+import com.android.car.settings.common.PreferenceController;
+import com.android.internal.annotations.VisibleForTesting;
+
+/**
+ * Controller for preference which enables / disables showing notifications for an application.
+ */
+public class NotificationsPreferenceController extends PreferenceController<TwoStatePreference> {
+
+    private static final Logger LOG = new Logger(NotificationsPreferenceController.class);
+
+    private String mPackageName;
+    private int mUid;
+
+    @VisibleForTesting
+    INotificationManager mNotificationManager =
+            INotificationManager.Stub.asInterface(
+                    ServiceManager.getService(Context.NOTIFICATION_SERVICE));
+
+    public NotificationsPreferenceController(Context context, String preferenceKey,
+            FragmentController fragmentController, CarUxRestrictions uxRestrictions) {
+        super(context, preferenceKey, fragmentController, uxRestrictions);
+    }
+
+    /**
+     * Set the package info of the application.
+     */
+    public void setPackageInfo(PackageInfo packageInfo) {
+        mPackageName = packageInfo.packageName;
+        mUid = packageInfo.applicationInfo.uid;
+    }
+
+    @Override
+    protected Class<TwoStatePreference> getPreferenceType() {
+        return TwoStatePreference.class;
+    }
+
+    @Override
+    protected void updateState(TwoStatePreference preference) {
+        preference.setChecked(isNotificationsEnabled());
+    }
+
+    @Override
+    protected boolean handlePreferenceChanged(TwoStatePreference preference, Object newValue) {
+        boolean enabled = (boolean) newValue;
+
+        try {
+            if (mNotificationManager.onlyHasDefaultChannel(mPackageName, mUid)) {
+                NotificationChannel defaultChannel =
+                        mNotificationManager.getNotificationChannelForPackage(
+                                mPackageName,
+                                mUid,
+                                NotificationChannel.DEFAULT_CHANNEL_ID,
+                                /* includeDeleted= */ true);
+                defaultChannel.setImportance(enabled ? IMPORTANCE_UNSPECIFIED : IMPORTANCE_NONE);
+                mNotificationManager
+                        .updateNotificationChannelForPackage(mPackageName, mUid, defaultChannel);
+            }
+            mNotificationManager.setNotificationsEnabledForPackage(mPackageName, mUid, enabled);
+        } catch (Exception e) {
+            LOG.w("Error querying notification setting for package");
+            return false;
+        }
+        return true;
+    }
+
+    private boolean isNotificationsEnabled() {
+        try {
+            return mNotificationManager.areNotificationsEnabledForPackage(mPackageName, mUid);
+        } catch (Exception e) {
+            LOG.w("Error querying notification setting for package");
+            return false;
+        }
+    }
+}
diff --git a/tests/robotests/src/com/android/car/settings/applications/NotificationsPreferenceControllerTest.java b/tests/robotests/src/com/android/car/settings/applications/NotificationsPreferenceControllerTest.java
new file mode 100644
index 0000000..90630ea
--- /dev/null
+++ b/tests/robotests/src/com/android/car/settings/applications/NotificationsPreferenceControllerTest.java
@@ -0,0 +1,128 @@
+/*
+ * 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.car.settings.applications;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.app.INotificationManager;
+import android.app.NotificationChannel;
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
+
+import androidx.lifecycle.Lifecycle;
+import androidx.preference.SwitchPreference;
+import androidx.preference.TwoStatePreference;
+
+import com.android.car.settings.CarSettingsRobolectricTestRunner;
+import com.android.car.settings.common.PreferenceControllerTestHelper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(CarSettingsRobolectricTestRunner.class)
+public class NotificationsPreferenceControllerTest {
+    private static final String PKG_NAME = "package.name";
+    private static final int UID = 1001010;
+    private Context mContext;
+    private NotificationsPreferenceController mController;
+    private PreferenceControllerTestHelper<NotificationsPreferenceController>
+            mPreferenceControllerHelper;
+    private TwoStatePreference mTwoStatePreference;
+    @Mock
+    private INotificationManager mMockManager;
+    @Mock
+    private NotificationChannel mMockChannel;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = RuntimeEnvironment.application;
+        mTwoStatePreference = new SwitchPreference(mContext);
+
+        mPreferenceControllerHelper = new PreferenceControllerTestHelper<>(mContext,
+                NotificationsPreferenceController.class, mTwoStatePreference);
+        mController = mPreferenceControllerHelper.getController();
+        mController.mNotificationManager = mMockManager;
+
+        PackageInfo packageInfo = new PackageInfo();
+        packageInfo.packageName = PKG_NAME;
+
+        ApplicationInfo applicationInfo = new ApplicationInfo();
+        applicationInfo.packageName = PKG_NAME;
+        packageInfo.applicationInfo = applicationInfo;
+        packageInfo.applicationInfo.uid = UID;
+        mController.setPackageInfo(packageInfo);
+    }
+
+    @Test
+    public void onCreate_notificationEnabled_isChecked() throws Exception {
+        when(mMockManager.areNotificationsEnabledForPackage(PKG_NAME, UID)).thenReturn(true);
+
+        mPreferenceControllerHelper.sendLifecycleEvent(Lifecycle.Event.ON_CREATE);
+
+        assertThat(mTwoStatePreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void onCreate_notificationDisabled_isNotChecked() throws Exception {
+        when(mMockManager.areNotificationsEnabledForPackage(PKG_NAME, UID)).thenReturn(false);
+
+        mPreferenceControllerHelper.sendLifecycleEvent(Lifecycle.Event.ON_CREATE);
+
+        assertThat(mTwoStatePreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void callChangeListener_setEnable_enablingNotification() throws Exception {
+        when(mMockManager.onlyHasDefaultChannel(PKG_NAME, UID)).thenReturn(false);
+
+        mTwoStatePreference.callChangeListener(true);
+
+        verify(mMockManager).setNotificationsEnabledForPackage(PKG_NAME, UID, true);
+    }
+
+    @Test
+    public void callChangeListener_setDisable_disablingNotification() throws Exception {
+        when(mMockManager.onlyHasDefaultChannel(PKG_NAME, UID)).thenReturn(false);
+
+        mTwoStatePreference.callChangeListener(false);
+
+        verify(mMockManager).setNotificationsEnabledForPackage(PKG_NAME, UID, false);
+    }
+
+    @Test
+    public void callChangeListener_onlyHasDefaultChannel_updateChannel() throws Exception {
+        when(mMockManager.onlyHasDefaultChannel(PKG_NAME, UID)).thenReturn(true);
+        when(mMockManager
+                .getNotificationChannelForPackage(
+                        PKG_NAME, UID, NotificationChannel.DEFAULT_CHANNEL_ID, true))
+                .thenReturn(mMockChannel);
+
+        mTwoStatePreference.callChangeListener(true);
+
+        verify(mMockManager).updateNotificationChannelForPackage(PKG_NAME, UID, mMockChannel);
+    }
+}