131 lines
4.2 KiB
Java
131 lines
4.2 KiB
Java
/**
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* Copyright (C) 2016 The CyanogenMod Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.cyanogenmod.platform.internal;
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import org.cyanogenmod.platform.internal.common.BrokeredServiceConnection;
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import android.annotation.NonNull;
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import android.annotation.SdkConstant;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.os.IBinder;
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import android.os.RemoteException;
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import android.util.Log;
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import android.util.Slog;
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import java.io.FileDescriptor;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import cyanogenmod.app.CMContextConstants;
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import cyanogenmod.media.AudioSessionInfo;
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import cyanogenmod.media.ICMAudioService;
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public class CMAudioServiceBroker extends BrokerableCMSystemService<ICMAudioService> {
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private static final String TAG = "CMAudioServiceBroker";
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private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
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private final Context mContext;
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private static final ComponentName TARGET_IMPLEMENTATION_COMPONENT =
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new ComponentName("org.cyanogenmod.cmaudio.service",
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"org.cyanogenmod.cmaudio.service.CMAudioService");
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public CMAudioServiceBroker(Context context) {
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super(context);
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mContext = context;
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}
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@Override
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public void onBootPhase(int phase) {
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super.onBootPhase(phase);
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if (phase == PHASE_THIRD_PARTY_APPS_CAN_START) {
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publishBinderService(CMContextConstants.CM_AUDIO_SERVICE, new BinderService());
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}
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}
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@Override
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public void onStart() {
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if (DEBUG) Slog.d(TAG, "service started");
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}
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@Override
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protected ICMAudioService getIBinderAsIInterface(@NonNull IBinder service) {
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return ICMAudioService.Stub.asInterface(service);
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}
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@Override
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protected ICMAudioService getDefaultImplementation() {
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return mServiceStubForFailure;
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}
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@Override
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protected ComponentName getServiceComponent() {
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return TARGET_IMPLEMENTATION_COMPONENT;
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}
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private void checkPermission() {
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mContext.enforceCallingOrSelfPermission(
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cyanogenmod.platform.Manifest.permission.OBSERVE_AUDIO_SESSIONS, null);
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}
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@Override
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public String getFeatureDeclaration() {
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return CMContextConstants.Features.AUDIO;
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}
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private final ICMAudioService mServiceStubForFailure = new ICMAudioService.Stub() {
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@Override
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public List<AudioSessionInfo> listAudioSessions(int streamType) throws RemoteException {
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checkPermission();
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return Collections.emptyList();
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}
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};
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private final class BinderService extends ICMAudioService.Stub {
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@Override
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public List<AudioSessionInfo> listAudioSessions(int streamType) throws RemoteException {
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checkPermission();
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return getBrokeredService().listAudioSessions(streamType);
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}
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@Override
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public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
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mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
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pw.println();
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pw.println("CMAudio Service State:");
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try {
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List<AudioSessionInfo> sessions = listAudioSessions(-1);
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if (sessions.size() > 0) {
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pw.println(" Audio sessions:");
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for (AudioSessionInfo info : sessions) {
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pw.println(" " + info.toString());
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}
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} else {
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pw.println(" No active audio sessions");
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}
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} catch (RemoteException e) {
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// nothing
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}
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}
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}
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}
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