Merge changes from topic "media_slice"

* changes:
  Implement MediaOutputSlice
  Add entry point to launch media output slice

AndroidManifest.xml

@@ -2983,6 +2983,17 @@
                 </intent-filter>
         </activity>
 
+        <activity-alias
+            android:name="MediaOutputSlice"
+            android:label="@string/media_output_panel_title"
+            android:permission="android.permission.BLUETOOTH_PRIVILEGED"
+            android:targetActivity=".panel.SettingsPanelActivity">
+                <intent-filter>
+                    <action android:name="com.android.settings.panel.action.MEDIA_OUTPUT" />
+                    <category android:name="android.intent.category.DEFAULT" />
+                </intent-filter>
+        </activity-alias>
+
         <provider android:name=".slices.SettingsSliceProvider"
                   android:authorities="com.android.settings.slices;android.settings.slices"
                   android:exported="true"

res/values/strings.xml

@@ -10583,4 +10583,8 @@
         <item quantity="other"><xliff:g id="notification_channel_count">%1$d</xliff:g> notification channels. Tap to manage all.</item>
     </plurals>
 
+    <!-- Title for the Switch output dialog (settings panel) with media related devices [CHAR LIMIT=50] -->
+    <string name="media_output_panel_title">Switch output</string>
+    <!-- Summary for represent which device is playing media [CHAR LIMIT=NONE] -->
+    <string name="media_output_panel_summary_of_playing_device">Currently playing on <xliff:g id="device_name" example="Bose headphone">%1$s</xliff:g></string>
 </resources>

src/com/android/settings/media/MediaDeviceUpdateWorker.java

@@ -0,0 +1,107 @@
+/*
+ * 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.media;
+
+import android.content.Context;
+import android.net.Uri;
+
+import androidx.annotation.VisibleForTesting;
+
+import com.android.settings.slices.SliceBackgroundWorker;
+import com.android.settingslib.media.LocalMediaManager;
+import com.android.settingslib.media.MediaDevice;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * SliceBackgroundWorker for get MediaDevice list and handle MediaDevice state change event.
+ */
+public class MediaDeviceUpdateWorker extends SliceBackgroundWorker
+        implements LocalMediaManager.DeviceCallback {
+
+    private final Context mContext;
+    private final List<MediaDevice> mMediaDevices = new ArrayList<>();
+
+    private String mPackageName;
+
+    @VisibleForTesting
+    LocalMediaManager mLocalMediaManager;
+
+    public MediaDeviceUpdateWorker(Context context, Uri uri) {
+        super(context, uri);
+        mContext = context;
+    }
+
+    public void setPackageName(String packageName) {
+        mPackageName = packageName;
+    }
+
+    @Override
+    protected void onSlicePinned() {
+        mMediaDevices.clear();
+        if (mLocalMediaManager == null) {
+            mLocalMediaManager = new LocalMediaManager(mContext, mPackageName, null);
+        }
+
+        mLocalMediaManager.registerCallback(this);
+        mLocalMediaManager.startScan();
+    }
+
+    @Override
+    protected void onSliceUnpinned() {
+        mLocalMediaManager.unregisterCallback(this);
+        mLocalMediaManager.stopScan();
+    }
+
+    @Override
+    public void close() {
+
+    }
+
+    @Override
+    public void onDeviceListUpdate(List<MediaDevice> devices) {
+        buildMediaDevices(devices);
+        notifySliceChange();
+    }
+
+    private void buildMediaDevices(List<MediaDevice> devices) {
+        mMediaDevices.clear();
+        mMediaDevices.addAll(devices);
+    }
+
+    @Override
+    public void onSelectedDeviceStateChanged(MediaDevice device, int state) {
+        notifySliceChange();
+    }
+
+    public List<MediaDevice> getMediaDevices() {
+        return new ArrayList<>(mMediaDevices);
+    }
+
+    public void connectDevice(MediaDevice device) {
+        mLocalMediaManager.connectDevice(device);
+    }
+
+    public MediaDevice getMediaDeviceById(String id) {
+        return mLocalMediaManager.getMediaDeviceById(mMediaDevices, id);
+    }
+
+    public MediaDevice getCurrentConnectedMediaDevice() {
+        return mLocalMediaManager.getCurrentConnectedDevice();
+    }
+}

src/com/android/settings/media/MediaOutputSlice.java

@@ -0,0 +1,195 @@
+/*
+ * 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.media;
+
+import static com.android.settings.slices.CustomSliceRegistry.MEDIA_OUTPUT_SLICE_URI;
+
+import android.annotation.ColorInt;
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.drawable.Drawable;
+import android.net.Uri;
+import android.os.UserHandle;
+import android.util.IconDrawableFactory;
+import android.util.Log;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.core.graphics.drawable.IconCompat;
+import androidx.slice.Slice;
+import androidx.slice.builders.ListBuilder;
+import androidx.slice.builders.SliceAction;
+
+import com.android.settings.R;
+import com.android.settings.Utils;
+import com.android.settings.slices.CustomSliceable;
+import com.android.settings.slices.SliceBackgroundWorker;
+import com.android.settings.slices.SliceBroadcastReceiver;
+import com.android.settingslib.media.MediaDevice;
+
+import java.util.List;
+
+/**
+ * Show the Media device that can be transfer the media.
+ */
+public class MediaOutputSlice implements CustomSliceable {
+
+    private static final String TAG = "MediaOutputSlice";
+    private static final String MEDIA_DEVICE_ID = "media_device_id";
+
+    public static final String MEDIA_PACKAGE_NAME = "media_package_name";
+
+    private final Context mContext;
+
+    private MediaDeviceUpdateWorker mWorker;
+    private String mPackageName;
+    private IconDrawableFactory mIconDrawableFactory;
+
+    public MediaOutputSlice(Context context) {
+        mContext = context;
+        mPackageName = getUri().getQueryParameter(MEDIA_PACKAGE_NAME);
+        mIconDrawableFactory = IconDrawableFactory.newInstance(mContext);
+    }
+
+    @VisibleForTesting
+    void init(String packageName, MediaDeviceUpdateWorker worker, IconDrawableFactory factory) {
+        mPackageName = packageName;
+        mWorker = worker;
+        mIconDrawableFactory = factory;
+    }
+
+    @Override
+    public Slice getSlice() {
+        final PackageManager pm = mContext.getPackageManager();
+
+        final List<MediaDevice> devices = getMediaDevices();
+        final CharSequence title = Utils.getApplicationLabel(mContext, mPackageName);
+        final CharSequence summary =
+                mContext.getString(R.string.media_output_panel_summary_of_playing_device,
+                        getConnectedDeviceName());
+
+        final Drawable drawable =
+                Utils.getBadgedIcon(mIconDrawableFactory, pm, mPackageName, UserHandle.myUserId());
+        final IconCompat icon = IconCompat.createWithBitmap(getBitmapFromDrawable(drawable));
+
+        @ColorInt final int color = Utils.getColorAccentDefaultColor(mContext);
+        final SliceAction primarySliceAction = SliceAction.createDeeplink(getPrimaryAction(), icon,
+                ListBuilder.ICON_IMAGE, title);
+
+        final ListBuilder listBuilder = new ListBuilder(mContext, MEDIA_OUTPUT_SLICE_URI,
+                ListBuilder.INFINITY)
+                .setAccentColor(color)
+                .addRow(new ListBuilder.RowBuilder()
+                        .setTitleItem(icon, ListBuilder.ICON_IMAGE)
+                        .setTitle(title)
+                        .setSubtitle(summary)
+                        .setPrimaryAction(primarySliceAction));
+
+        for (MediaDevice device : devices) {
+            listBuilder.addRow(getMediaDeviceRow(device));
+        }
+
+        return listBuilder.build();
+    }
+
+    private MediaDeviceUpdateWorker getWorker() {
+        if (mWorker == null) {
+            mWorker = (MediaDeviceUpdateWorker) SliceBackgroundWorker.getInstance(getUri());
+            mWorker.setPackageName(mPackageName);
+        }
+        return mWorker;
+    }
+
+    private List<MediaDevice> getMediaDevices() {
+        List<MediaDevice> devices = getWorker().getMediaDevices();
+        return devices;
+    }
+
+    private String getConnectedDeviceName() {
+        final MediaDevice device = getWorker().getCurrentConnectedMediaDevice();
+        return device != null ? device.getName() : "";
+    }
+
+    private PendingIntent getPrimaryAction() {
+        final PackageManager pm = mContext.getPackageManager();
+        final Intent launchIntent = pm.getLaunchIntentForPackage(mPackageName);
+        final Intent intent = launchIntent;
+        return PendingIntent.getActivity(mContext, 0  /* requestCode */, intent, 0  /* flags */);
+    }
+
+    private Bitmap getBitmapFromDrawable(Drawable drawable) {
+        final Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(),
+                drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
+        final Canvas canvas = new Canvas(bitmap);
+
+        drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
+        drawable.draw(canvas);
+
+        return bitmap;
+    }
+
+    private ListBuilder.RowBuilder getMediaDeviceRow(MediaDevice device) {
+        final String title = device.getName();
+        final PendingIntent broadcastAction =
+                getBroadcastIntent(mContext, device.getId(), device.hashCode());
+        final IconCompat deviceIcon = IconCompat.createWithResource(mContext, device.getIcon());
+        final ListBuilder.RowBuilder rowBuilder = new ListBuilder.RowBuilder()
+                .setTitleItem(deviceIcon, ListBuilder.ICON_IMAGE)
+                .setPrimaryAction(SliceAction.create(broadcastAction, deviceIcon,
+                        ListBuilder.ICON_IMAGE, title))
+                .setTitle(title);
+
+        return rowBuilder;
+    }
+
+    private PendingIntent getBroadcastIntent(Context context, String id, int requestCode) {
+        final Intent intent = new Intent(getUri().toString());
+        intent.setClass(context, SliceBroadcastReceiver.class);
+        intent.putExtra(MEDIA_DEVICE_ID, id);
+        return PendingIntent.getBroadcast(context, requestCode /* requestCode */, intent,
+                PendingIntent.FLAG_CANCEL_CURRENT);
+    }
+
+    @Override
+    public Uri getUri() {
+        return MEDIA_OUTPUT_SLICE_URI;
+    }
+
+    @Override
+    public void onNotifyChange(Intent intent) {
+        final MediaDeviceUpdateWorker worker = getWorker();
+        final String id = intent != null ? intent.getStringExtra(MEDIA_DEVICE_ID) : "";
+        final MediaDevice device = worker.getMediaDeviceById(id);
+        if (device != null) {
+            Log.d(TAG, "onNotifyChange() device name : " + device.getName());
+            worker.connectDevice(device);
+        }
+    }
+
+    @Override
+    public Intent getIntent() {
+        return null;
+    }
+
+    @Override
+    public Class getBackgroundWorkerClass() {
+        return MediaDeviceUpdateWorker.class;
+    }
+}

src/com/android/settings/panel/MediaOutputPanel.java

@@ -0,0 +1,74 @@
+/*
+ * 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.panel;
+
+import static com.android.settings.media.MediaOutputSlice.MEDIA_PACKAGE_NAME;
+import static com.android.settings.slices.CustomSliceRegistry.MEDIA_OUTPUT_SLICE_URI;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+
+import com.android.settings.R;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Represents the Media output Panel.
+ *
+ * <p>
+ * Displays Media output item
+ * </p>
+ */
+public class MediaOutputPanel implements PanelContent {
+
+    private final Context mContext;
+    private final String mPackageName;
+
+    public static MediaOutputPanel create(Context context, String packageName) {
+        return new MediaOutputPanel(context, packageName);
+    }
+
+    private MediaOutputPanel(Context context, String packageName) {
+        mContext = context.getApplicationContext();
+        mPackageName = packageName;
+    }
+
+    @Override
+    public CharSequence getTitle() {
+        return mContext.getText(R.string.media_output_panel_title);
+    }
+
+    @Override
+    public List<Uri> getSlices() {
+        final List<Uri> uris = new ArrayList<>();
+        MEDIA_OUTPUT_SLICE_URI =
+                MEDIA_OUTPUT_SLICE_URI
+                        .buildUpon()
+                        .clearQuery()
+                        .appendQueryParameter(MEDIA_PACKAGE_NAME, mPackageName)
+                        .build();
+        uris.add(MEDIA_OUTPUT_SLICE_URI);
+        return uris;
+    }
+
+    @Override
+    public Intent getSeeMoreIntent() {
+        return null;
+    }
+}

src/com/android/settings/panel/PanelFeatureProvider.java

@@ -21,7 +21,7 @@ import android.content.Context;
 public interface PanelFeatureProvider {
 
     /**
-     * Returns {@link PanelContent} as specified by the {@param panelType}.
+     * Returns {@link PanelContent} as specified by the {@code panelType} and {@code packageName}.
      */
-    PanelContent getPanel(Context context, String panelType);
+    PanelContent getPanel(Context context, String panelType, String packageName);
 }

src/com/android/settings/panel/PanelFeatureProviderImpl.java

@@ -16,13 +16,15 @@
 
 package com.android.settings.panel;
 
+import static com.android.settingslib.media.MediaOutputSliceConstants.ACTION_MEDIA_OUTPUT;
+
 import android.content.Context;
 import android.provider.Settings;
 
 public class PanelFeatureProviderImpl implements PanelFeatureProvider {
 
     @Override
-    public PanelContent getPanel(Context context, String panelType) {
+    public PanelContent getPanel(Context context, String panelType, String packageName) {
         switch (panelType) {
             case Settings.Panel.ACTION_INTERNET_CONNECTIVITY:
                 return InternetConnectivityPanel.create(context);
@@ -30,6 +32,8 @@ public class PanelFeatureProviderImpl implements PanelFeatureProvider {
                 return VolumePanel.create(context);
             case Settings.Panel.ACTION_NFC:
                 return NfcPanel.create(context);
+            case ACTION_MEDIA_OUTPUT:
+                return MediaOutputPanel.create(context, packageName);
         }
 
         throw new IllegalStateException("No matching panel for: "  + panelType);

src/com/android/settings/panel/PanelFragment.java

@@ -70,10 +70,12 @@ public class PanelFragment extends Fragment {
 
         final Bundle arguments = getArguments();
         final String panelType = arguments.getString(SettingsPanelActivity.KEY_PANEL_TYPE_ARGUMENT);
+        final String packageName =
+                arguments.getString(SettingsPanelActivity.KEY_PANEL_PACKAGE_NAME);
 
         final PanelContent panel = FeatureFactory.getFactory(activity)
                 .getPanelFeatureProvider()
-                .getPanel(activity, panelType);
+                .getPanel(activity, panelType, packageName);
 
         mAdapter = new PanelSlicesAdapter(this, panel.getSlices());
 
@@ -86,6 +88,11 @@ public class PanelFragment extends Fragment {
         mSeeMoreButton.setOnClickListener(getSeeMoreListener(panel.getSeeMoreIntent()));
         mDoneButton.setOnClickListener(mDoneButtonListener);
 
+        //If getSeeMoreIntent() is null, hide the mSeeMoreButton.
+        if (panel.getSeeMoreIntent() == null) {
+            mSeeMoreButton.setVisibility(View.GONE);
+        }
+
         return view;
     }
 

src/com/android/settings/panel/SettingsPanelActivity.java

@@ -16,8 +16,12 @@
 
 package com.android.settings.panel;
 
+import static com.android.settingslib.media.MediaOutputSliceConstants.ACTION_MEDIA_OUTPUT;
+import static com.android.settingslib.media.MediaOutputSliceConstants.EXTRA_PACKAGE_NAME;
+
 import android.content.Intent;
 import android.os.Bundle;
+import android.text.TextUtils;
 import android.util.Log;
 import android.view.Gravity;
 import android.view.Window;
@@ -28,6 +32,7 @@ import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
 import androidx.fragment.app.FragmentManager;
 
+import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.R;
 
 /**
@@ -37,10 +42,14 @@ public class SettingsPanelActivity extends FragmentActivity {
 
     private final String TAG = "panel_activity";
 
+    @VisibleForTesting
+    final Bundle mBundle = new Bundle();
+
     /**
      * Key specifying which Panel the app is requesting.
      */
     public static final String KEY_PANEL_TYPE_ARGUMENT = "PANEL_TYPE_ARGUMENT";
+    public static final String KEY_PANEL_PACKAGE_NAME = "PANEL_PACKAGE_NAME";
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
@@ -53,6 +62,16 @@ public class SettingsPanelActivity extends FragmentActivity {
             return;
         }
 
+        final String packageName =
+                callingIntent.getStringExtra(EXTRA_PACKAGE_NAME);
+
+        if (TextUtils.equals(ACTION_MEDIA_OUTPUT, callingIntent.getAction())
+                && TextUtils.isEmpty(packageName)) {
+            Log.e(TAG, "Null package name, closing Panel Activity");
+            finish();
+            return;
+        }
+
         setContentView(R.layout.settings_panel);
 
         // Move the window to the bottom of screen, and make it take up the entire screen width.
@@ -61,11 +80,11 @@ public class SettingsPanelActivity extends FragmentActivity {
         window.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
                 WindowManager.LayoutParams.WRAP_CONTENT);
 
-        final Bundle bundle = new Bundle();
-        bundle.putString(KEY_PANEL_TYPE_ARGUMENT, callingIntent.getAction());
+        mBundle.putString(KEY_PANEL_TYPE_ARGUMENT, callingIntent.getAction());
+        mBundle.putString(KEY_PANEL_PACKAGE_NAME, packageName);
 
         final PanelFragment panelFragment = new PanelFragment();
-        panelFragment.setArguments(bundle);
+        panelFragment.setArguments(mBundle);
 
         final FragmentManager fragmentManager = getSupportFragmentManager();
         final Fragment fragment = fragmentManager.findFragmentById(R.id.main_content);

src/com/android/settings/slices/CustomSliceManager.java

@@ -18,6 +18,7 @@ package com.android.settings.slices;
 
 import android.content.Context;
 import android.net.Uri;
+import android.text.TextUtils;
 import android.util.ArrayMap;
 
 import androidx.annotation.VisibleForTesting;
@@ -33,6 +34,7 @@ import com.android.settings.homepage.contextualcards.slices.BluetoothDevicesSlic
 import com.android.settings.homepage.contextualcards.slices.LowStorageSlice;
 import com.android.settings.homepage.contextualcards.slices.NotificationChannelSlice;
 import com.android.settings.location.LocationSlice;
+import com.android.settings.media.MediaOutputSlice;
 import com.android.settings.wifi.slice.ContextualWifiSlice;
 import com.android.settings.wifi.slice.WifiSlice;
 
@@ -65,20 +67,25 @@ public class CustomSliceManager {
      * the only thing that should be needed to create the object.
      */
     public CustomSliceable getSliceableFromUri(Uri uri) {
-        if (mSliceableCache.containsKey(uri)) {
-            return mSliceableCache.get(uri);
+        final Uri newUri = removeParameterFromUri(uri);
+        if (mSliceableCache.containsKey(newUri)) {
+            return mSliceableCache.get(newUri);
         }
 
-        final Class clazz = mUriMap.get(uri);
+        final Class clazz = mUriMap.get(newUri);
         if (clazz == null) {
             throw new IllegalArgumentException("No Slice found for uri: " + uri);
         }
 
         final CustomSliceable sliceable = CustomSliceable.createInstance(mContext, clazz);
-        mSliceableCache.put(uri, sliceable);
+        mSliceableCache.put(newUri, sliceable);
         return sliceable;
     }
 
+    private Uri removeParameterFromUri(Uri uri) {
+        return uri != null ? uri.buildUpon().clearQuery().build() : null;
+    }
+
     /**
      * Return a {@link CustomSliceable} associated to the Action.
      * <p>
@@ -94,7 +101,7 @@ public class CustomSliceManager {
      * {@link CustomSliceManager}.
      */
     public boolean isValidUri(Uri uri) {
-        return mUriMap.containsKey(uri);
+        return mUriMap.containsKey(removeParameterFromUri(uri));
     }
 
     /**
@@ -120,5 +127,6 @@ public class CustomSliceManager {
                 NotificationChannelSlice.class);
         mUriMap.put(CustomSliceRegistry.STORAGE_SLICE_URI, StorageSlice.class);
         mUriMap.put(CustomSliceRegistry.WIFI_SLICE_URI, WifiSlice.class);
+        mUriMap.put(CustomSliceRegistry.MEDIA_OUTPUT_SLICE_URI, MediaOutputSlice.class);
     }
 }

src/com/android/settings/slices/CustomSliceRegistry.java

@@ -27,6 +27,7 @@ import android.provider.SettingsSlicesContract;
 
 import com.android.settings.fuelgauge.batterytip.BatteryTipPreferenceController;
 import com.android.settings.wifi.calling.WifiCallingSliceHelper;
+import com.android.settingslib.media.MediaOutputSliceConstants;
 
 /**
  * A registry of custom slice Uris.
@@ -255,4 +256,14 @@ public class CustomSliceRegistry {
             .appendPath(SettingsSlicesContract.PATH_SETTING_ACTION)
             .appendPath(ZEN_MODE_KEY)
             .build();
+
+    /**
+     * Backing Uri for the Media output Slice.
+     */
+    public static Uri MEDIA_OUTPUT_SLICE_URI = new Uri.Builder()
+            .scheme(ContentResolver.SCHEME_CONTENT)
+            .authority(SettingsSliceProvider.SLICE_AUTHORITY)
+            .appendPath(SettingsSlicesContract.PATH_SETTING_ACTION)
+            .appendPath(MediaOutputSliceConstants.KEY_MEDIA_OUTPUT)
+            .build();
 }

tests/robotests/src/com/android/settings/media/MediaDeviceUpdateWorkerTest.java

@@ -0,0 +1,132 @@
+/*
+ * 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.media;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.net.Uri;
+
+import com.android.settingslib.media.MediaDevice;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@RunWith(RobolectricTestRunner.class)
+public class MediaDeviceUpdateWorkerTest {
+
+    private static final Uri URI = Uri.parse("content://com.android.settings.slices/test");
+    private static final String TEST_DEVICE_1_ID = "test_device_1_id";
+    private static final String TEST_DEVICE_2_ID = "test_device_2_id";
+    private static final String TEST_DEVICE_3_ID = "test_device_3_id";
+
+    private final List<MediaDevice> mMediaDevices = new ArrayList<>();
+
+    private MediaDeviceUpdateWorker mMediaDeviceUpdateWorker;
+    private ContentResolver mResolver;
+    private Context mContext;
+    private MediaDevice mMediaDevice1;
+    private MediaDevice mMediaDevice2;
+
+    @Before
+    public void setUp() {
+        mContext = spy(RuntimeEnvironment.application);
+        mMediaDeviceUpdateWorker = new MediaDeviceUpdateWorker(mContext, URI);
+        mResolver = mock(ContentResolver.class);
+
+        mMediaDevice1 = mock(MediaDevice.class);
+        when(mMediaDevice1.getId()).thenReturn(TEST_DEVICE_1_ID);
+        mMediaDevice2 = mock(MediaDevice.class);
+        when(mMediaDevice2.getId()).thenReturn(TEST_DEVICE_2_ID);
+        mMediaDevices.add(mMediaDevice1);
+        mMediaDevices.add(mMediaDevice2);
+
+        doReturn(mResolver).when(mContext).getContentResolver();
+    }
+
+    @Test
+    public void onDeviceListUpdate_shouldNotifyChange() {
+        mMediaDeviceUpdateWorker.onDeviceListUpdate(mMediaDevices);
+
+        verify(mResolver).notifyChange(URI, null);
+    }
+
+    @Test
+    public void onSelectedDeviceStateChanged_shouldNotifyChange() {
+        mMediaDeviceUpdateWorker.onSelectedDeviceStateChanged(null, 0);
+
+        verify(mResolver).notifyChange(URI, null);
+    }
+
+    @Test
+    public void onDeviceListUpdate_sameDeviceList_shouldBeEqual() {
+        mMediaDeviceUpdateWorker.onDeviceListUpdate(mMediaDevices);
+
+        final List<MediaDevice> newDevices = new ArrayList<>();
+        newDevices.add(mMediaDevice1);
+        newDevices.add(mMediaDevice2);
+
+        mMediaDeviceUpdateWorker.onDeviceListUpdate(newDevices);
+        final List<MediaDevice> devices = mMediaDeviceUpdateWorker.getMediaDevices();
+
+        assertThat(devices.get(0).getId()).isEqualTo(newDevices.get(0).getId());
+        assertThat(devices.get(1).getId()).isEqualTo(newDevices.get(1).getId());
+    }
+
+    @Test
+    public void onDeviceListUpdate_add1DeviceToDeviceList_shouldBeEqual() {
+        mMediaDeviceUpdateWorker.onDeviceListUpdate(mMediaDevices);
+
+        final List<MediaDevice> newDevices = new ArrayList<>();
+        final MediaDevice device3 = mock(MediaDevice.class);
+        when(mMediaDevice2.getId()).thenReturn(TEST_DEVICE_3_ID);
+        newDevices.add(mMediaDevice1);
+        newDevices.add(mMediaDevice2);
+        newDevices.add(device3);
+
+        mMediaDeviceUpdateWorker.onDeviceListUpdate(newDevices);
+        final List<MediaDevice> devices = mMediaDeviceUpdateWorker.getMediaDevices();
+
+        assertThat(devices.size()).isEqualTo(newDevices.size());
+    }
+
+    @Test
+    public void onDeviceListUpdate_less1DeviceToDeviceList_shouldBeEqual() {
+        mMediaDeviceUpdateWorker.onDeviceListUpdate(mMediaDevices);
+
+        final List<MediaDevice> newDevices = new ArrayList<>();
+        newDevices.add(mMediaDevice1);
+
+        mMediaDeviceUpdateWorker.onDeviceListUpdate(newDevices);
+        final List<MediaDevice> devices = mMediaDeviceUpdateWorker.getMediaDevices();
+
+        assertThat(devices.size()).isEqualTo(newDevices.size());
+    }
+}

tests/robotests/src/com/android/settings/media/MediaOutputSliceTest.java

@@ -0,0 +1,157 @@
+/*
+ * 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.media;
+
+import static com.android.settings.slices.CustomSliceRegistry.MEDIA_OUTPUT_SLICE_URI;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.graphics.drawable.Drawable;
+import android.os.UserHandle;
+import android.util.IconDrawableFactory;
+
+import androidx.slice.Slice;
+import androidx.slice.SliceMetadata;
+import androidx.slice.SliceProvider;
+import androidx.slice.core.SliceAction;
+import androidx.slice.widget.SliceLiveData;
+
+import com.android.settingslib.media.LocalMediaManager;
+import com.android.settingslib.media.MediaDevice;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@RunWith(RobolectricTestRunner.class)
+public class MediaOutputSliceTest {
+
+    private static final String TEST_PACKAGE_NAME = "com.fake.android.music";
+    private static final String TEST_LABEL = "Test app";
+    private static final String TEST_DEVICE_1_ID = "test_device_1_id";
+
+    @Mock
+    private PackageManager mPackageManager;
+    @Mock
+    private ApplicationInfo mApplicationInfo;
+    @Mock
+    private ApplicationInfo mApplicationInfo2;
+    @Mock
+    private LocalMediaManager mLocalMediaManager;
+    @Mock
+    private IconDrawableFactory mIconDrawableFactory;
+    @Mock
+    private Drawable mTestDrawable;
+
+    private final List<MediaDevice> mDevices = new ArrayList<>();
+
+    private Context mContext;
+    private MediaOutputSlice mMediaOutputSlice;
+    private MediaDeviceUpdateWorker mMediaDeviceUpdateWorker;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(RuntimeEnvironment.application);
+
+        when(mContext.getPackageManager()).thenReturn(mPackageManager);
+        when(mPackageManager.getApplicationInfo(eq(TEST_PACKAGE_NAME), anyInt()))
+                .thenReturn(mApplicationInfo);
+        when(mPackageManager.getApplicationInfoAsUser(eq(TEST_PACKAGE_NAME), anyInt(), anyInt()))
+                .thenReturn(mApplicationInfo2);
+        when(mApplicationInfo.loadLabel(mPackageManager)).thenReturn(TEST_LABEL);
+        when(mIconDrawableFactory.getBadgedIcon(mApplicationInfo2, UserHandle.myUserId()))
+                .thenReturn(mTestDrawable);
+        when(mTestDrawable.getIntrinsicWidth()).thenReturn(100);
+        when(mTestDrawable.getIntrinsicHeight()).thenReturn(100);
+
+        // Set-up specs for SliceMetadata.
+        SliceProvider.setSpecs(SliceLiveData.SUPPORTED_SPECS);
+
+        mMediaOutputSlice = new MediaOutputSlice(mContext);
+        mMediaDeviceUpdateWorker = new MediaDeviceUpdateWorker(mContext, MEDIA_OUTPUT_SLICE_URI);
+        mMediaDeviceUpdateWorker.setPackageName(TEST_PACKAGE_NAME);
+        mMediaDeviceUpdateWorker.onDeviceListUpdate(mDevices);
+        mMediaDeviceUpdateWorker.mLocalMediaManager = mLocalMediaManager;
+        mMediaOutputSlice.init(TEST_PACKAGE_NAME, mMediaDeviceUpdateWorker, mIconDrawableFactory);
+    }
+
+    @Test
+    public void getSlice_shouldHaveAppTitle() {
+        final Slice mediaSlice = mMediaOutputSlice.getSlice();
+        final SliceMetadata metadata = SliceMetadata.from(mContext, mediaSlice);
+
+        final SliceAction primaryAction = metadata.getPrimaryAction();
+        assertThat(primaryAction.getTitle().toString()).isEqualTo(TEST_LABEL);
+    }
+
+    @Test
+    public void onNotifyChange_foundMediaDevice_connect() {
+        mDevices.clear();
+        final MediaDevice device = mock(MediaDevice.class);
+        when(device.getId()).thenReturn(TEST_DEVICE_1_ID);
+        when(mLocalMediaManager.getMediaDeviceById(mDevices, TEST_DEVICE_1_ID)).thenReturn(device);
+        mDevices.add(device);
+
+        mMediaDeviceUpdateWorker.onDeviceListUpdate(mDevices);
+
+        final Intent intent = new Intent();
+        intent.putExtra("media_device_id", TEST_DEVICE_1_ID);
+
+        mMediaOutputSlice.onNotifyChange(intent);
+
+        verify(mLocalMediaManager).connectDevice(device);
+    }
+
+    @Test
+    public void onNotifyChange_notFoundMediaDevice_doNothing() {
+        mDevices.clear();
+        final MediaDevice device = mock(MediaDevice.class);
+        when(device.getId()).thenReturn(TEST_DEVICE_1_ID);
+        when(mLocalMediaManager.getMediaDeviceById(mDevices, TEST_DEVICE_1_ID)).thenReturn(device);
+        mDevices.add(device);
+
+        mMediaDeviceUpdateWorker.onDeviceListUpdate(mDevices);
+
+        final Intent intent = new Intent();
+        intent.putExtra("media_device_id", "fake_123");
+
+        mMediaOutputSlice.onNotifyChange(intent);
+
+        verify(mLocalMediaManager, never()).connectDevice(device);
+    }
+}

tests/robotests/src/com/android/settings/panel/MediaOutputPanelTest.java

@@ -0,0 +1,65 @@
+/*
+ * 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.panel;
+
+import static com.android.settings.media.MediaOutputSlice.MEDIA_PACKAGE_NAME;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.net.Uri;
+
+import com.android.settings.slices.CustomSliceRegistry;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+import java.util.List;
+
+@RunWith(RobolectricTestRunner.class)
+public class MediaOutputPanelTest {
+
+    private static final String TEST_PACKAGENAME = "com.test.packagename";
+
+    private MediaOutputPanel mPanel;
+
+    @Before
+    public void setUp() {
+        mPanel = MediaOutputPanel.create(RuntimeEnvironment.application, TEST_PACKAGENAME);
+    }
+
+    @Test
+    public void getSlices_containsNecessarySlices() {
+        final List<Uri> uris = mPanel.getSlices();
+
+        assertThat(uris).containsExactly(CustomSliceRegistry.MEDIA_OUTPUT_SLICE_URI);
+    }
+
+    @Test
+    public void getSlices_verifyPackageName_isEqual() {
+        final List<Uri> uris = mPanel.getSlices();
+
+        assertThat(uris.get(0).getQueryParameter(MEDIA_PACKAGE_NAME)).isEqualTo(TEST_PACKAGENAME);
+    }
+
+    @Test
+    public void getSeeMoreIntent_isNull() {
+        assertThat(mPanel.getSeeMoreIntent()).isNull();
+    }
+}

tests/robotests/src/com/android/settings/panel/PanelFeatureProviderImplTest.java

@@ -17,6 +17,8 @@
 
 package com.android.settings.panel;
 
+import static com.android.settingslib.media.MediaOutputSliceConstants.ACTION_MEDIA_OUTPUT;
+
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
@@ -32,6 +34,8 @@ import org.robolectric.RuntimeEnvironment;
 @RunWith(RobolectricTestRunner.class)
 public class PanelFeatureProviderImplTest {
 
+    private static final String TEST_PACKAGENAME = "com.test.packagename";
+
     private Context mContext;
     private PanelFeatureProviderImpl mProvider;
 
@@ -44,7 +48,7 @@ public class PanelFeatureProviderImplTest {
     @Test
     public void getPanel_internetConnectivityKey_returnsCorrectPanel() {
         final PanelContent panel = mProvider.getPanel(mContext,
-                Settings.Panel.ACTION_INTERNET_CONNECTIVITY);
+                Settings.Panel.ACTION_INTERNET_CONNECTIVITY, TEST_PACKAGENAME);
 
         assertThat(panel).isInstanceOf(InternetConnectivityPanel.class);
     }
@@ -52,8 +56,16 @@ public class PanelFeatureProviderImplTest {
     @Test
     public void getPanel_volume_returnsCorrectPanel() {
         final PanelContent panel = mProvider.getPanel(mContext,
-                Settings.Panel.ACTION_VOLUME);
+                Settings.Panel.ACTION_VOLUME, TEST_PACKAGENAME);
 
         assertThat(panel).isInstanceOf(VolumePanel.class);
     }
+
+    @Test
+    public void getPanel_mediaOutputKey_returnsCorrectPanel() {
+        final PanelContent panel = mProvider.getPanel(mContext,
+                ACTION_MEDIA_OUTPUT, TEST_PACKAGENAME);
+
+        assertThat(panel).isInstanceOf(MediaOutputPanel.class);
+    }
 }

tests/robotests/src/com/android/settings/panel/PanelFragmentTest.java

@@ -59,7 +59,7 @@ public class PanelFragmentTest {
         mFakeFeatureFactory = FakeFeatureFactory.setupForTest();
         mFakeFeatureFactory.panelFeatureProvider = mPanelFeatureProvider;
         mFakePanelContent = new FakePanelContent();
-        doReturn(mFakePanelContent).when(mPanelFeatureProvider).getPanel(any(), any());
+        doReturn(mFakePanelContent).when(mPanelFeatureProvider).getPanel(any(), any(), any());
 
         ActivityController<FakeSettingsPanelActivity> activityController =
                 Robolectric.buildActivity(FakeSettingsPanelActivity.class);

tests/robotests/src/com/android/settings/panel/PanelSlicesAdapterTest.java

@@ -58,7 +58,7 @@ public class PanelSlicesAdapterTest {
         mFakeFeatureFactory = FakeFeatureFactory.setupForTest();
         mFakeFeatureFactory.panelFeatureProvider = mPanelFeatureProvider;
         mFakePanelContent = new FakePanelContent();
-        doReturn(mFakePanelContent).when(mPanelFeatureProvider).getPanel(any(), any());
+        doReturn(mFakePanelContent).when(mPanelFeatureProvider).getPanel(any(), any(), any());
 
         ActivityController<FakeSettingsPanelActivity> activityController =
                 Robolectric.buildActivity(FakeSettingsPanelActivity.class);

tests/robotests/src/com/android/settings/panel/SettingsPanelActivityTest.java

@@ -0,0 +1,61 @@
+/*
+ * 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.panel;
+
+import static com.android.settings.panel.SettingsPanelActivity.KEY_PANEL_PACKAGE_NAME;
+import static com.android.settings.panel.SettingsPanelActivity.KEY_PANEL_TYPE_ARGUMENT;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Intent;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.RobolectricTestRunner;
+
+@RunWith(RobolectricTestRunner.class)
+public class SettingsPanelActivityTest {
+
+    @Test
+    public void startMediaOutputSlice_withPackageName_bundleShouldHaveValue() {
+        final Intent intent = new Intent()
+                .setAction("com.android.settings.panel.action.MEDIA_OUTPUT")
+                .putExtra("com.android.settings.panel.extra.PACKAGE_NAME",
+                        "com.google.android.music");
+
+        final SettingsPanelActivity activity =
+                Robolectric.buildActivity(SettingsPanelActivity.class, intent).create().get();
+
+        assertThat(activity.mBundle.getString(KEY_PANEL_PACKAGE_NAME))
+                .isEqualTo("com.google.android.music");
+        assertThat(activity.mBundle.getString(KEY_PANEL_TYPE_ARGUMENT))
+                .isEqualTo("com.android.settings.panel.action.MEDIA_OUTPUT");
+    }
+
+    @Test
+    public void startMediaOutputSlice_withoutPackageName_bundleShouldNotHaveValue() {
+        final Intent intent = new Intent()
+                .setAction("com.android.settings.panel.action.MEDIA_OUTPUT");
+
+        final SettingsPanelActivity activity =
+                Robolectric.buildActivity(SettingsPanelActivity.class, intent).create().get();
+
+        assertThat(activity.mBundle.containsKey(KEY_PANEL_PACKAGE_NAME)).isFalse();
+        assertThat(activity.mBundle.containsKey(KEY_PANEL_TYPE_ARGUMENT)).isFalse();
+    }
+}