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/*
* 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 androidx.lifecycle.Lifecycle.Event.ON_START;
import static androidx.lifecycle.Lifecycle.Event.ON_STOP;
import static com.android.settings.media.MediaOutputSlice.MEDIA_PACKAGE_NAME;
import static com.android.settings.slices.CustomSliceRegistry.MEDIA_OUTPUT_SLICE_URI;
import android.app.settings.SettingsEnums;
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.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.media.MediaMetadata;
import android.media.session.MediaController;
import android.media.session.MediaSessionManager;
import android.net.Uri;
import android.text.TextUtils;
import android.util.Log;
import androidx.core.graphics.drawable.IconCompat;
import androidx.lifecycle.LifecycleObserver;
import androidx.lifecycle.OnLifecycleEvent;
import com.android.internal.annotations.VisibleForTesting;
import com.android.settings.R;
import com.android.settings.Utils;
import com.android.settingslib.media.InfoMediaDevice;
import com.android.settingslib.media.LocalMediaManager;
import com.android.settingslib.media.MediaDevice;
import java.util.ArrayList;
import java.util.List;
/**
* Represents the Media output Panel.
*
* <p>
* Displays Media output item
* </p>
*/
public class MediaOutputPanel implements PanelContent, LocalMediaManager.DeviceCallback,
LifecycleObserver {
private static final String TAG = "MediaOutputPanel";
private final Context mContext;
private final String mPackageName;
private PanelCustomizedButtonCallback mCallback;
private boolean mIsCustomizedButtonUsed = true;
@VisibleForTesting
LocalMediaManager mLocalMediaManager;
private MediaSessionManager mMediaSessionManager;
private MediaController mMediaController;
public static MediaOutputPanel create(Context context, String packageName) {
return new MediaOutputPanel(context, packageName);
}
private MediaOutputPanel(Context context, String packageName) {
mContext = context.getApplicationContext();
mPackageName = TextUtils.isEmpty(packageName) ? "" : packageName;
if (!TextUtils.isEmpty(mPackageName)) {
mMediaSessionManager = mContext.getSystemService(MediaSessionManager.class);
for (MediaController controller : mMediaSessionManager.getActiveSessions(null)) {
if (TextUtils.equals(controller.getPackageName(), mPackageName)) {
mMediaController = controller;
break;
}
}
}
if (mMediaController == null) {
Log.e(TAG, "Unable to find " + mPackageName + " media controller");
}
}
@Override
public CharSequence getTitle() {
if (mMediaController != null) {
final MediaMetadata metadata = mMediaController.getMetadata();
if (metadata != null) {
return metadata.getString(MediaMetadata.METADATA_KEY_ARTIST);
}
}
return mContext.getText(R.string.media_volume_title);
}
@Override
public CharSequence getSubTitle() {
if (mMediaController != null) {
final MediaMetadata metadata = mMediaController.getMetadata();
if (metadata != null) {
return metadata.getString(MediaMetadata.METADATA_KEY_ALBUM);
}
}
return mContext.getText(R.string.media_output_panel_title);
}
@Override
public IconCompat getIcon() {
if (mMediaController == null) {
return IconCompat.createWithResource(mContext, R.drawable.ic_media_stream).setTint(
Utils.getColorAccentDefaultColor(mContext));
}
final MediaMetadata metadata = mMediaController.getMetadata();
if (metadata != null) {
final Bitmap bitmap = metadata.getDescription().getIconBitmap();
if (bitmap != null) {
return IconCompat.createWithBitmap(bitmap);
}
}
Log.d(TAG, "Media meta data does not contain icon information");
return getPackageIcon();
}
private IconCompat getPackageIcon() {
try {
final Drawable drawable = mContext.getPackageManager().getApplicationIcon(mPackageName);
if (drawable instanceof BitmapDrawable) {
return IconCompat.createWithBitmap(((BitmapDrawable) drawable).getBitmap());
}
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 IconCompat.createWithBitmap(bitmap);
} catch (PackageManager.NameNotFoundException e) {
Log.e(TAG, "Package is not found. Unable to get package icon.");
}
return null;
}
@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;
}
@Override
public boolean isCustomizedButtonUsed() {
return mIsCustomizedButtonUsed;
}
@Override
public CharSequence getCustomButtonTitle() {
return mContext.getText(R.string.media_output_panel_stop_casting_button);
}
@Override
public void onClickCustomizedButton() {
}
@Override
public void registerCallback(PanelCustomizedButtonCallback callback) {
mCallback = callback;
}
@Override
public int getMetricsCategory() {
return SettingsEnums.PANEL_MEDIA_OUTPUT;
}
@Override
public void onSelectedDeviceStateChanged(MediaDevice device, int state) {
dispatchCustomButtonStateChanged();
}
@Override
public void onDeviceListUpdate(List<MediaDevice> devices) {
dispatchCustomButtonStateChanged();
}
@Override
public void onDeviceAttributesChanged() {
dispatchCustomButtonStateChanged();
}
private void dispatchCustomButtonStateChanged() {
hideCustomButtonIfNecessary();
if (mCallback != null) {
mCallback.onCustomizedButtonStateChanged();
}
}
private void hideCustomButtonIfNecessary() {
final MediaDevice device = mLocalMediaManager.getCurrentConnectedDevice();
mIsCustomizedButtonUsed = device instanceof InfoMediaDevice;
}
@OnLifecycleEvent(ON_START)
public void onStart() {
if (mLocalMediaManager == null) {
mLocalMediaManager = new LocalMediaManager(mContext, mPackageName, null);
}
mLocalMediaManager.registerCallback(this);
mLocalMediaManager.startScan();
}
@OnLifecycleEvent(ON_STOP)
public void onStop() {
mLocalMediaManager.unregisterCallback(this);
mLocalMediaManager.stopScan();
}
}
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