| /* |
| * Copyright (C) 2014 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.server.tv; |
| |
| import static android.media.tv.TvInputManager.INPUT_STATE_CONNECTED; |
| import static android.media.tv.TvInputManager.INPUT_STATE_CONNECTED_STANDBY; |
| |
| import android.annotation.Nullable; |
| import android.app.ActivityManager; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.ContentUris; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.ServiceConnection; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ServiceInfo; |
| import android.graphics.Rect; |
| import android.hardware.hdmi.HdmiControlManager; |
| import android.hardware.hdmi.HdmiDeviceInfo; |
| import android.media.PlaybackParams; |
| import android.media.tv.DvbDeviceInfo; |
| import android.media.tv.ITvInputClient; |
| import android.media.tv.ITvInputHardware; |
| import android.media.tv.ITvInputHardwareCallback; |
| import android.media.tv.ITvInputManager; |
| import android.media.tv.ITvInputManagerCallback; |
| import android.media.tv.ITvInputService; |
| import android.media.tv.ITvInputServiceCallback; |
| import android.media.tv.ITvInputSession; |
| import android.media.tv.ITvInputSessionCallback; |
| import android.media.tv.TvContentRating; |
| import android.media.tv.TvContentRatingSystemInfo; |
| import android.media.tv.TvContract; |
| import android.media.tv.TvInputHardwareInfo; |
| import android.media.tv.TvInputInfo; |
| import android.media.tv.TvInputManager; |
| import android.media.tv.TvInputService; |
| import android.media.tv.TvStreamConfig; |
| import android.media.tv.TvTrackInfo; |
| import android.net.Uri; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.ParcelFileDescriptor; |
| import android.os.Process; |
| import android.os.RemoteCallbackList; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.text.TextUtils; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.view.InputChannel; |
| import android.view.Surface; |
| |
| import com.android.internal.content.PackageMonitor; |
| import com.android.internal.os.SomeArgs; |
| import com.android.internal.util.DumpUtils; |
| import com.android.internal.util.IndentingPrintWriter; |
| import com.android.server.IoThread; |
| import com.android.server.SystemService; |
| |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.FileNotFoundException; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** This class provides a system service that manages television inputs. */ |
| public final class TvInputManagerService extends SystemService { |
| private static final boolean DEBUG = false; |
| private static final String TAG = "TvInputManagerService"; |
| private static final String DVB_DIRECTORY = "/dev/dvb"; |
| |
| // There are two different formats of DVB frontend devices. One is /dev/dvb%d.frontend%d, |
| // another one is /dev/dvb/adapter%d/frontend%d. Followings are the patterns for selecting the |
| // DVB frontend devices from the list of files in the /dev and /dev/dvb/adapter%d directory. |
| private static final Pattern sFrontEndDevicePattern = |
| Pattern.compile("^dvb([0-9]+)\\.frontend([0-9]+)$"); |
| private static final Pattern sAdapterDirPattern = |
| Pattern.compile("^adapter([0-9]+)$"); |
| private static final Pattern sFrontEndInAdapterDirPattern = |
| Pattern.compile("^frontend([0-9]+)$"); |
| |
| private final Context mContext; |
| private final TvInputHardwareManager mTvInputHardwareManager; |
| |
| // A global lock. |
| private final Object mLock = new Object(); |
| |
| // ID of the current user. |
| private int mCurrentUserId = UserHandle.USER_SYSTEM; |
| |
| // A map from user id to UserState. |
| private final SparseArray<UserState> mUserStates = new SparseArray<>(); |
| |
| // A map from session id to session state saved in userstate |
| private final Map<String, SessionState> mSessionIdToSessionStateMap = new HashMap<>(); |
| |
| private final WatchLogHandler mWatchLogHandler; |
| |
| public TvInputManagerService(Context context) { |
| super(context); |
| |
| mContext = context; |
| mWatchLogHandler = new WatchLogHandler(mContext.getContentResolver(), |
| IoThread.get().getLooper()); |
| mTvInputHardwareManager = new TvInputHardwareManager(context, new HardwareListener()); |
| |
| synchronized (mLock) { |
| getOrCreateUserStateLocked(mCurrentUserId); |
| } |
| } |
| |
| @Override |
| public void onStart() { |
| publishBinderService(Context.TV_INPUT_SERVICE, new BinderService()); |
| } |
| |
| @Override |
| public void onBootPhase(int phase) { |
| if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { |
| registerBroadcastReceivers(); |
| } else if (phase == SystemService.PHASE_THIRD_PARTY_APPS_CAN_START) { |
| synchronized (mLock) { |
| buildTvInputListLocked(mCurrentUserId, null); |
| buildTvContentRatingSystemListLocked(mCurrentUserId); |
| } |
| } |
| mTvInputHardwareManager.onBootPhase(phase); |
| } |
| |
| @Override |
| public void onUnlockUser(int userHandle) { |
| if (DEBUG) Slog.d(TAG, "onUnlockUser(userHandle=" + userHandle + ")"); |
| synchronized (mLock) { |
| if (mCurrentUserId != userHandle) { |
| return; |
| } |
| buildTvInputListLocked(mCurrentUserId, null); |
| buildTvContentRatingSystemListLocked(mCurrentUserId); |
| } |
| } |
| |
| private void registerBroadcastReceivers() { |
| PackageMonitor monitor = new PackageMonitor() { |
| private void buildTvInputList(String[] packages) { |
| synchronized (mLock) { |
| if (mCurrentUserId == getChangingUserId()) { |
| buildTvInputListLocked(mCurrentUserId, packages); |
| buildTvContentRatingSystemListLocked(mCurrentUserId); |
| } |
| } |
| } |
| |
| @Override |
| public void onPackageUpdateFinished(String packageName, int uid) { |
| if (DEBUG) Slog.d(TAG, "onPackageUpdateFinished(packageName=" + packageName + ")"); |
| // This callback is invoked when the TV input is reinstalled. |
| // In this case, isReplacing() always returns true. |
| buildTvInputList(new String[] { packageName }); |
| } |
| |
| @Override |
| public void onPackagesAvailable(String[] packages) { |
| if (DEBUG) { |
| Slog.d(TAG, "onPackagesAvailable(packages=" + Arrays.toString(packages) + ")"); |
| } |
| // This callback is invoked when the media on which some packages exist become |
| // available. |
| if (isReplacing()) { |
| buildTvInputList(packages); |
| } |
| } |
| |
| @Override |
| public void onPackagesUnavailable(String[] packages) { |
| // This callback is invoked when the media on which some packages exist become |
| // unavailable. |
| if (DEBUG) { |
| Slog.d(TAG, "onPackagesUnavailable(packages=" + Arrays.toString(packages) |
| + ")"); |
| } |
| if (isReplacing()) { |
| buildTvInputList(packages); |
| } |
| } |
| |
| @Override |
| public void onSomePackagesChanged() { |
| // TODO: Use finer-grained methods(e.g. onPackageAdded, onPackageRemoved) to manage |
| // the TV inputs. |
| if (DEBUG) Slog.d(TAG, "onSomePackagesChanged()"); |
| if (isReplacing()) { |
| if (DEBUG) Slog.d(TAG, "Skipped building TV input list due to replacing"); |
| // When the package is updated, buildTvInputListLocked is called in other |
| // methods instead. |
| return; |
| } |
| buildTvInputList(null); |
| } |
| |
| @Override |
| public boolean onPackageChanged(String packageName, int uid, String[] components) { |
| // The input list needs to be updated in any cases, regardless of whether |
| // it happened to the whole package or a specific component. Returning true so that |
| // the update can be handled in {@link #onSomePackagesChanged}. |
| return true; |
| } |
| }; |
| monitor.register(mContext, null, UserHandle.ALL, true); |
| |
| IntentFilter intentFilter = new IntentFilter(); |
| intentFilter.addAction(Intent.ACTION_USER_SWITCHED); |
| intentFilter.addAction(Intent.ACTION_USER_REMOVED); |
| mContext.registerReceiverAsUser(new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (Intent.ACTION_USER_SWITCHED.equals(action)) { |
| switchUser(intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0)); |
| } else if (Intent.ACTION_USER_REMOVED.equals(action)) { |
| removeUser(intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0)); |
| } |
| } |
| }, UserHandle.ALL, intentFilter, null, null); |
| } |
| |
| private static boolean hasHardwarePermission(PackageManager pm, ComponentName component) { |
| return pm.checkPermission(android.Manifest.permission.TV_INPUT_HARDWARE, |
| component.getPackageName()) == PackageManager.PERMISSION_GRANTED; |
| } |
| |
| private void buildTvInputListLocked(int userId, String[] updatedPackages) { |
| UserState userState = getOrCreateUserStateLocked(userId); |
| userState.packageSet.clear(); |
| |
| if (DEBUG) Slog.d(TAG, "buildTvInputList"); |
| PackageManager pm = mContext.getPackageManager(); |
| List<ResolveInfo> services = pm.queryIntentServicesAsUser( |
| new Intent(TvInputService.SERVICE_INTERFACE), |
| PackageManager.GET_SERVICES | PackageManager.GET_META_DATA, |
| userId); |
| List<TvInputInfo> inputList = new ArrayList<>(); |
| for (ResolveInfo ri : services) { |
| ServiceInfo si = ri.serviceInfo; |
| if (!android.Manifest.permission.BIND_TV_INPUT.equals(si.permission)) { |
| Slog.w(TAG, "Skipping TV input " + si.name + ": it does not require the permission " |
| + android.Manifest.permission.BIND_TV_INPUT); |
| continue; |
| } |
| |
| ComponentName component = new ComponentName(si.packageName, si.name); |
| if (hasHardwarePermission(pm, component)) { |
| ServiceState serviceState = userState.serviceStateMap.get(component); |
| if (serviceState == null) { |
| // New hardware input found. Create a new ServiceState and connect to the |
| // service to populate the hardware list. |
| serviceState = new ServiceState(component, userId); |
| userState.serviceStateMap.put(component, serviceState); |
| updateServiceConnectionLocked(component, userId); |
| } else { |
| inputList.addAll(serviceState.hardwareInputMap.values()); |
| } |
| } else { |
| try { |
| TvInputInfo info = new TvInputInfo.Builder(mContext, ri).build(); |
| inputList.add(info); |
| } catch (Exception e) { |
| Slog.e(TAG, "failed to load TV input " + si.name, e); |
| continue; |
| } |
| } |
| userState.packageSet.add(si.packageName); |
| } |
| |
| Map<String, TvInputState> inputMap = new HashMap<>(); |
| for (TvInputInfo info : inputList) { |
| if (DEBUG) { |
| Slog.d(TAG, "add " + info.getId()); |
| } |
| TvInputState inputState = userState.inputMap.get(info.getId()); |
| if (inputState == null) { |
| inputState = new TvInputState(); |
| } |
| inputState.info = info; |
| inputMap.put(info.getId(), inputState); |
| } |
| |
| for (String inputId : inputMap.keySet()) { |
| if (!userState.inputMap.containsKey(inputId)) { |
| notifyInputAddedLocked(userState, inputId); |
| } else if (updatedPackages != null) { |
| // Notify the package updates |
| ComponentName component = inputMap.get(inputId).info.getComponent(); |
| for (String updatedPackage : updatedPackages) { |
| if (component.getPackageName().equals(updatedPackage)) { |
| updateServiceConnectionLocked(component, userId); |
| notifyInputUpdatedLocked(userState, inputId); |
| break; |
| } |
| } |
| } |
| } |
| |
| for (String inputId : userState.inputMap.keySet()) { |
| if (!inputMap.containsKey(inputId)) { |
| TvInputInfo info = userState.inputMap.get(inputId).info; |
| ServiceState serviceState = userState.serviceStateMap.get(info.getComponent()); |
| if (serviceState != null) { |
| abortPendingCreateSessionRequestsLocked(serviceState, inputId, userId); |
| } |
| notifyInputRemovedLocked(userState, inputId); |
| } |
| } |
| |
| userState.inputMap.clear(); |
| userState.inputMap = inputMap; |
| } |
| |
| private void buildTvContentRatingSystemListLocked(int userId) { |
| UserState userState = getOrCreateUserStateLocked(userId); |
| userState.contentRatingSystemList.clear(); |
| |
| final PackageManager pm = mContext.getPackageManager(); |
| Intent intent = new Intent(TvInputManager.ACTION_QUERY_CONTENT_RATING_SYSTEMS); |
| for (ResolveInfo resolveInfo : |
| pm.queryBroadcastReceivers(intent, PackageManager.GET_META_DATA)) { |
| ActivityInfo receiver = resolveInfo.activityInfo; |
| Bundle metaData = receiver.metaData; |
| if (metaData == null) { |
| continue; |
| } |
| |
| int xmlResId = metaData.getInt(TvInputManager.META_DATA_CONTENT_RATING_SYSTEMS); |
| if (xmlResId == 0) { |
| Slog.w(TAG, "Missing meta-data '" |
| + TvInputManager.META_DATA_CONTENT_RATING_SYSTEMS + "' on receiver " |
| + receiver.packageName + "/" + receiver.name); |
| continue; |
| } |
| userState.contentRatingSystemList.add( |
| TvContentRatingSystemInfo.createTvContentRatingSystemInfo(xmlResId, |
| receiver.applicationInfo)); |
| } |
| } |
| |
| private void switchUser(int userId) { |
| synchronized (mLock) { |
| if (mCurrentUserId == userId) { |
| return; |
| } |
| UserState userState = mUserStates.get(mCurrentUserId); |
| List<SessionState> sessionStatesToRelease = new ArrayList<>(); |
| for (SessionState sessionState : userState.sessionStateMap.values()) { |
| if (sessionState.session != null && !sessionState.isRecordingSession) { |
| sessionStatesToRelease.add(sessionState); |
| } |
| } |
| for (SessionState sessionState : sessionStatesToRelease) { |
| try { |
| sessionState.session.release(); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in release", e); |
| } |
| clearSessionAndNotifyClientLocked(sessionState); |
| } |
| |
| for (Iterator<ComponentName> it = userState.serviceStateMap.keySet().iterator(); |
| it.hasNext(); ) { |
| ComponentName component = it.next(); |
| ServiceState serviceState = userState.serviceStateMap.get(component); |
| if (serviceState != null && serviceState.sessionTokens.isEmpty()) { |
| if (serviceState.callback != null) { |
| try { |
| serviceState.service.unregisterCallback(serviceState.callback); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in unregisterCallback", e); |
| } |
| } |
| mContext.unbindService(serviceState.connection); |
| it.remove(); |
| } |
| } |
| |
| mCurrentUserId = userId; |
| getOrCreateUserStateLocked(userId); |
| buildTvInputListLocked(userId, null); |
| buildTvContentRatingSystemListLocked(userId); |
| mWatchLogHandler.obtainMessage(WatchLogHandler.MSG_SWITCH_CONTENT_RESOLVER, |
| getContentResolverForUser(userId)).sendToTarget(); |
| } |
| } |
| |
| private void clearSessionAndNotifyClientLocked(SessionState state) { |
| if (state.client != null) { |
| try { |
| state.client.onSessionReleased(state.seq); |
| } catch(RemoteException e) { |
| Slog.e(TAG, "error in onSessionReleased", e); |
| } |
| } |
| // If there are any other sessions based on this session, they should be released. |
| UserState userState = getOrCreateUserStateLocked(state.userId); |
| for (SessionState sessionState : userState.sessionStateMap.values()) { |
| if (state.sessionToken == sessionState.hardwareSessionToken) { |
| releaseSessionLocked(sessionState.sessionToken, Process.SYSTEM_UID, state.userId); |
| try { |
| sessionState.client.onSessionReleased(sessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onSessionReleased", e); |
| } |
| } |
| } |
| removeSessionStateLocked(state.sessionToken, state.userId); |
| } |
| |
| private void removeUser(int userId) { |
| synchronized (mLock) { |
| UserState userState = mUserStates.get(userId); |
| if (userState == null) { |
| return; |
| } |
| // Release all created sessions. |
| for (SessionState state : userState.sessionStateMap.values()) { |
| if (state.session != null) { |
| try { |
| state.session.release(); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in release", e); |
| } |
| } |
| } |
| userState.sessionStateMap.clear(); |
| |
| // Unregister all callbacks and unbind all services. |
| for (ServiceState serviceState : userState.serviceStateMap.values()) { |
| if (serviceState.service != null) { |
| if (serviceState.callback != null) { |
| try { |
| serviceState.service.unregisterCallback(serviceState.callback); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in unregisterCallback", e); |
| } |
| } |
| mContext.unbindService(serviceState.connection); |
| } |
| } |
| userState.serviceStateMap.clear(); |
| |
| // Clear everything else. |
| userState.inputMap.clear(); |
| userState.packageSet.clear(); |
| userState.contentRatingSystemList.clear(); |
| userState.clientStateMap.clear(); |
| userState.mCallbacks.kill(); |
| userState.mainSessionToken = null; |
| |
| mUserStates.remove(userId); |
| } |
| } |
| |
| private ContentResolver getContentResolverForUser(int userId) { |
| UserHandle user = new UserHandle(userId); |
| Context context; |
| try { |
| context = mContext.createPackageContextAsUser("android", 0, user); |
| } catch (NameNotFoundException e) { |
| Slog.e(TAG, "failed to create package context as user " + user); |
| context = mContext; |
| } |
| return context.getContentResolver(); |
| } |
| |
| private UserState getOrCreateUserStateLocked(int userId) { |
| UserState userState = mUserStates.get(userId); |
| if (userState == null) { |
| userState = new UserState(mContext, userId); |
| mUserStates.put(userId, userState); |
| } |
| return userState; |
| } |
| |
| private ServiceState getServiceStateLocked(ComponentName component, int userId) { |
| UserState userState = getOrCreateUserStateLocked(userId); |
| ServiceState serviceState = userState.serviceStateMap.get(component); |
| if (serviceState == null) { |
| throw new IllegalStateException("Service state not found for " + component + " (userId=" |
| + userId + ")"); |
| } |
| return serviceState; |
| } |
| |
| private SessionState getSessionStateLocked(IBinder sessionToken, int callingUid, int userId) { |
| UserState userState = getOrCreateUserStateLocked(userId); |
| SessionState sessionState = userState.sessionStateMap.get(sessionToken); |
| if (sessionState == null) { |
| throw new SessionNotFoundException("Session state not found for token " + sessionToken); |
| } |
| // Only the application that requested this session or the system can access it. |
| if (callingUid != Process.SYSTEM_UID && callingUid != sessionState.callingUid) { |
| throw new SecurityException("Illegal access to the session with token " + sessionToken |
| + " from uid " + callingUid); |
| } |
| return sessionState; |
| } |
| |
| private ITvInputSession getSessionLocked(IBinder sessionToken, int callingUid, int userId) { |
| return getSessionLocked(getSessionStateLocked(sessionToken, callingUid, userId)); |
| } |
| |
| private ITvInputSession getSessionLocked(SessionState sessionState) { |
| ITvInputSession session = sessionState.session; |
| if (session == null) { |
| throw new IllegalStateException("Session not yet created for token " |
| + sessionState.sessionToken); |
| } |
| return session; |
| } |
| |
| private int resolveCallingUserId(int callingPid, int callingUid, int requestedUserId, |
| String methodName) { |
| return ActivityManager.handleIncomingUser(callingPid, callingUid, requestedUserId, false, |
| false, methodName, null); |
| } |
| |
| private void updateServiceConnectionLocked(ComponentName component, int userId) { |
| UserState userState = getOrCreateUserStateLocked(userId); |
| ServiceState serviceState = userState.serviceStateMap.get(component); |
| if (serviceState == null) { |
| return; |
| } |
| if (serviceState.reconnecting) { |
| if (!serviceState.sessionTokens.isEmpty()) { |
| // wait until all the sessions are removed. |
| return; |
| } |
| serviceState.reconnecting = false; |
| } |
| |
| boolean shouldBind; |
| if (userId == mCurrentUserId) { |
| shouldBind = !serviceState.sessionTokens.isEmpty() || serviceState.isHardware; |
| } else { |
| // For a non-current user, |
| // if sessionTokens is not empty, it contains recording sessions only |
| // because other sessions must have been removed while switching user |
| // and non-recording sessions are not created by createSession(). |
| shouldBind = !serviceState.sessionTokens.isEmpty(); |
| } |
| |
| if (serviceState.service == null && shouldBind) { |
| // This means that the service is not yet connected but its state indicates that we |
| // have pending requests. Then, connect the service. |
| if (serviceState.bound) { |
| // We have already bound to the service so we don't try to bind again until after we |
| // unbind later on. |
| return; |
| } |
| if (DEBUG) { |
| Slog.d(TAG, "bindServiceAsUser(service=" + component + ", userId=" + userId + ")"); |
| } |
| |
| Intent i = new Intent(TvInputService.SERVICE_INTERFACE).setComponent(component); |
| serviceState.bound = mContext.bindServiceAsUser( |
| i, serviceState.connection, |
| Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE, |
| new UserHandle(userId)); |
| } else if (serviceState.service != null && !shouldBind) { |
| // This means that the service is already connected but its state indicates that we have |
| // nothing to do with it. Then, disconnect the service. |
| if (DEBUG) { |
| Slog.d(TAG, "unbindService(service=" + component + ")"); |
| } |
| mContext.unbindService(serviceState.connection); |
| userState.serviceStateMap.remove(component); |
| } |
| } |
| |
| private void abortPendingCreateSessionRequestsLocked(ServiceState serviceState, |
| String inputId, int userId) { |
| // Let clients know the create session requests are failed. |
| UserState userState = getOrCreateUserStateLocked(userId); |
| List<SessionState> sessionsToAbort = new ArrayList<>(); |
| for (IBinder sessionToken : serviceState.sessionTokens) { |
| SessionState sessionState = userState.sessionStateMap.get(sessionToken); |
| if (sessionState.session == null && (inputId == null |
| || sessionState.inputId.equals(inputId))) { |
| sessionsToAbort.add(sessionState); |
| } |
| } |
| for (SessionState sessionState : sessionsToAbort) { |
| removeSessionStateLocked(sessionState.sessionToken, sessionState.userId); |
| sendSessionTokenToClientLocked(sessionState.client, |
| sessionState.inputId, null, null, sessionState.seq); |
| } |
| updateServiceConnectionLocked(serviceState.component, userId); |
| } |
| |
| private boolean createSessionInternalLocked(ITvInputService service, IBinder sessionToken, |
| int userId) { |
| UserState userState = getOrCreateUserStateLocked(userId); |
| SessionState sessionState = userState.sessionStateMap.get(sessionToken); |
| if (DEBUG) { |
| Slog.d(TAG, "createSessionInternalLocked(inputId=" |
| + sessionState.inputId + ", sessionId=" + sessionState.sessionId + ")"); |
| } |
| InputChannel[] channels = InputChannel.openInputChannelPair(sessionToken.toString()); |
| |
| // Set up a callback to send the session token. |
| ITvInputSessionCallback callback = new SessionCallback(sessionState, channels); |
| |
| boolean created = true; |
| // Create a session. When failed, send a null token immediately. |
| try { |
| if (sessionState.isRecordingSession) { |
| service.createRecordingSession( |
| callback, sessionState.inputId, sessionState.sessionId); |
| } else { |
| service.createSession( |
| channels[1], callback, sessionState.inputId, sessionState.sessionId); |
| } |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in createSession", e); |
| sendSessionTokenToClientLocked(sessionState.client, sessionState.inputId, null, |
| null, sessionState.seq); |
| created = false; |
| } |
| channels[1].dispose(); |
| return created; |
| } |
| |
| private void sendSessionTokenToClientLocked(ITvInputClient client, String inputId, |
| IBinder sessionToken, InputChannel channel, int seq) { |
| try { |
| client.onSessionCreated(inputId, sessionToken, channel, seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onSessionCreated", e); |
| } |
| } |
| |
| private void releaseSessionLocked(IBinder sessionToken, int callingUid, int userId) { |
| SessionState sessionState = null; |
| try { |
| sessionState = getSessionStateLocked(sessionToken, callingUid, userId); |
| if (sessionState.session != null) { |
| UserState userState = getOrCreateUserStateLocked(userId); |
| if (sessionToken == userState.mainSessionToken) { |
| setMainLocked(sessionToken, false, callingUid, userId); |
| } |
| sessionState.session.asBinder().unlinkToDeath(sessionState, 0); |
| sessionState.session.release(); |
| } |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in releaseSession", e); |
| } finally { |
| if (sessionState != null) { |
| sessionState.session = null; |
| } |
| } |
| removeSessionStateLocked(sessionToken, userId); |
| } |
| |
| private void removeSessionStateLocked(IBinder sessionToken, int userId) { |
| UserState userState = getOrCreateUserStateLocked(userId); |
| if (sessionToken == userState.mainSessionToken) { |
| if (DEBUG) { |
| Slog.d(TAG, "mainSessionToken=null"); |
| } |
| userState.mainSessionToken = null; |
| } |
| |
| // Remove the session state from the global session state map of the current user. |
| SessionState sessionState = userState.sessionStateMap.remove(sessionToken); |
| |
| if (sessionState == null) { |
| return; |
| } |
| |
| // Also remove the session token from the session token list of the current client and |
| // service. |
| ClientState clientState = userState.clientStateMap.get(sessionState.client.asBinder()); |
| if (clientState != null) { |
| clientState.sessionTokens.remove(sessionToken); |
| if (clientState.isEmpty()) { |
| userState.clientStateMap.remove(sessionState.client.asBinder()); |
| sessionState.client.asBinder().unlinkToDeath(clientState, 0); |
| } |
| } |
| |
| mSessionIdToSessionStateMap.remove(sessionState.sessionId); |
| |
| ServiceState serviceState = userState.serviceStateMap.get(sessionState.componentName); |
| if (serviceState != null) { |
| serviceState.sessionTokens.remove(sessionToken); |
| } |
| updateServiceConnectionLocked(sessionState.componentName, userId); |
| |
| // Log the end of watch. |
| SomeArgs args = SomeArgs.obtain(); |
| args.arg1 = sessionToken; |
| args.arg2 = System.currentTimeMillis(); |
| mWatchLogHandler.obtainMessage(WatchLogHandler.MSG_LOG_WATCH_END, args).sendToTarget(); |
| } |
| |
| private void setMainLocked(IBinder sessionToken, boolean isMain, int callingUid, int userId) { |
| try { |
| SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, userId); |
| if (sessionState.hardwareSessionToken != null) { |
| sessionState = getSessionStateLocked(sessionState.hardwareSessionToken, |
| Process.SYSTEM_UID, userId); |
| } |
| ServiceState serviceState = getServiceStateLocked(sessionState.componentName, userId); |
| if (!serviceState.isHardware) { |
| return; |
| } |
| ITvInputSession session = getSessionLocked(sessionState); |
| session.setMain(isMain); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in setMain", e); |
| } |
| } |
| |
| private void notifyInputAddedLocked(UserState userState, String inputId) { |
| if (DEBUG) { |
| Slog.d(TAG, "notifyInputAddedLocked(inputId=" + inputId + ")"); |
| } |
| int n = userState.mCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; ++i) { |
| try { |
| userState.mCallbacks.getBroadcastItem(i).onInputAdded(inputId); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "failed to report added input to callback", e); |
| } |
| } |
| userState.mCallbacks.finishBroadcast(); |
| } |
| |
| private void notifyInputRemovedLocked(UserState userState, String inputId) { |
| if (DEBUG) { |
| Slog.d(TAG, "notifyInputRemovedLocked(inputId=" + inputId + ")"); |
| } |
| int n = userState.mCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; ++i) { |
| try { |
| userState.mCallbacks.getBroadcastItem(i).onInputRemoved(inputId); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "failed to report removed input to callback", e); |
| } |
| } |
| userState.mCallbacks.finishBroadcast(); |
| } |
| |
| private void notifyInputUpdatedLocked(UserState userState, String inputId) { |
| if (DEBUG) { |
| Slog.d(TAG, "notifyInputUpdatedLocked(inputId=" + inputId + ")"); |
| } |
| int n = userState.mCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; ++i) { |
| try { |
| userState.mCallbacks.getBroadcastItem(i).onInputUpdated(inputId); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "failed to report updated input to callback", e); |
| } |
| } |
| userState.mCallbacks.finishBroadcast(); |
| } |
| |
| private void notifyInputStateChangedLocked(UserState userState, String inputId, |
| int state, ITvInputManagerCallback targetCallback) { |
| if (DEBUG) { |
| Slog.d(TAG, "notifyInputStateChangedLocked(inputId=" + inputId |
| + ", state=" + state + ")"); |
| } |
| if (targetCallback == null) { |
| int n = userState.mCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; ++i) { |
| try { |
| userState.mCallbacks.getBroadcastItem(i).onInputStateChanged(inputId, state); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "failed to report state change to callback", e); |
| } |
| } |
| userState.mCallbacks.finishBroadcast(); |
| } else { |
| try { |
| targetCallback.onInputStateChanged(inputId, state); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "failed to report state change to callback", e); |
| } |
| } |
| } |
| |
| private void updateTvInputInfoLocked(UserState userState, TvInputInfo inputInfo) { |
| if (DEBUG) { |
| Slog.d(TAG, "updateTvInputInfoLocked(inputInfo=" + inputInfo + ")"); |
| } |
| String inputId = inputInfo.getId(); |
| TvInputState inputState = userState.inputMap.get(inputId); |
| if (inputState == null) { |
| Slog.e(TAG, "failed to set input info - unknown input id " + inputId); |
| return; |
| } |
| inputState.info = inputInfo; |
| |
| int n = userState.mCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; ++i) { |
| try { |
| userState.mCallbacks.getBroadcastItem(i).onTvInputInfoUpdated(inputInfo); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "failed to report updated input info to callback", e); |
| } |
| } |
| userState.mCallbacks.finishBroadcast(); |
| } |
| |
| private void setStateLocked(String inputId, int state, int userId) { |
| UserState userState = getOrCreateUserStateLocked(userId); |
| TvInputState inputState = userState.inputMap.get(inputId); |
| if (inputState == null) { |
| Slog.e(TAG, "failed to setStateLocked - unknown input id " + inputId); |
| return; |
| } |
| ServiceState serviceState = userState.serviceStateMap.get(inputState.info.getComponent()); |
| int oldState = inputState.state; |
| inputState.state = state; |
| if (serviceState != null && serviceState.service == null |
| && (!serviceState.sessionTokens.isEmpty() || serviceState.isHardware)) { |
| // We don't notify state change while reconnecting. It should remain disconnected. |
| return; |
| } |
| if (oldState != state) { |
| notifyInputStateChangedLocked(userState, inputId, state, null); |
| } |
| } |
| |
| private final class BinderService extends ITvInputManager.Stub { |
| @Override |
| public List<TvInputInfo> getTvInputList(int userId) { |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, "getTvInputList"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| List<TvInputInfo> inputList = new ArrayList<>(); |
| for (TvInputState state : userState.inputMap.values()) { |
| inputList.add(state.info); |
| } |
| return inputList; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public TvInputInfo getTvInputInfo(String inputId, int userId) { |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, "getTvInputInfo"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| TvInputState state = userState.inputMap.get(inputId); |
| return state == null ? null : state.info; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| public void updateTvInputInfo(TvInputInfo inputInfo, int userId) { |
| String inputInfoPackageName = inputInfo.getServiceInfo().packageName; |
| String callingPackageName = getCallingPackageName(); |
| if (!TextUtils.equals(inputInfoPackageName, callingPackageName) |
| && mContext.checkCallingPermission( |
| android.Manifest.permission.WRITE_SECURE_SETTINGS) |
| != PackageManager.PERMISSION_GRANTED) { |
| // Only the app owning the input and system settings are allowed to update info. |
| throw new IllegalArgumentException("calling package " + callingPackageName |
| + " is not allowed to change TvInputInfo for " + inputInfoPackageName); |
| } |
| |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, "updateTvInputInfo"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| updateTvInputInfoLocked(userState, inputInfo); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| private String getCallingPackageName() { |
| final String[] packages = mContext.getPackageManager().getPackagesForUid( |
| Binder.getCallingUid()); |
| if (packages != null && packages.length > 0) { |
| return packages[0]; |
| } |
| return "unknown"; |
| } |
| |
| @Override |
| public int getTvInputState(String inputId, int userId) { |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, "getTvInputState"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| TvInputState state = userState.inputMap.get(inputId); |
| return state == null ? INPUT_STATE_CONNECTED : state.state; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public List<TvContentRatingSystemInfo> getTvContentRatingSystemList(int userId) { |
| if (mContext.checkCallingPermission( |
| android.Manifest.permission.READ_CONTENT_RATING_SYSTEMS) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException( |
| "The caller does not have permission to read content rating systems"); |
| } |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, "getTvContentRatingSystemList"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| return userState.contentRatingSystemList; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void sendTvInputNotifyIntent(Intent intent, int userId) { |
| if (mContext.checkCallingPermission(android.Manifest.permission.NOTIFY_TV_INPUTS) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("The caller: " + getCallingPackageName() |
| + " doesn't have permission: " |
| + android.Manifest.permission.NOTIFY_TV_INPUTS); |
| } |
| if (TextUtils.isEmpty(intent.getPackage())) { |
| throw new IllegalArgumentException("Must specify package name to notify."); |
| } |
| switch (intent.getAction()) { |
| case TvContract.ACTION_PREVIEW_PROGRAM_BROWSABLE_DISABLED: |
| if (intent.getLongExtra(TvContract.EXTRA_PREVIEW_PROGRAM_ID, -1) < 0) { |
| throw new IllegalArgumentException("Invalid preview program ID."); |
| } |
| break; |
| case TvContract.ACTION_WATCH_NEXT_PROGRAM_BROWSABLE_DISABLED: |
| if (intent.getLongExtra(TvContract.EXTRA_WATCH_NEXT_PROGRAM_ID, -1) < 0) { |
| throw new IllegalArgumentException("Invalid watch next program ID."); |
| } |
| break; |
| case TvContract.ACTION_PREVIEW_PROGRAM_ADDED_TO_WATCH_NEXT: |
| if (intent.getLongExtra(TvContract.EXTRA_PREVIEW_PROGRAM_ID, -1) < 0) { |
| throw new IllegalArgumentException("Invalid preview program ID."); |
| } |
| if (intent.getLongExtra(TvContract.EXTRA_WATCH_NEXT_PROGRAM_ID, -1) < 0) { |
| throw new IllegalArgumentException("Invalid watch next program ID."); |
| } |
| break; |
| default: |
| throw new IllegalArgumentException("Invalid TV input notifying action: " |
| + intent.getAction()); |
| } |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, "sendTvInputNotifyIntent"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| getContext().sendBroadcastAsUser(intent, new UserHandle(resolvedUserId)); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void registerCallback(final ITvInputManagerCallback callback, int userId) { |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, "registerCallback"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| final UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| if (!userState.mCallbacks.register(callback)) { |
| Slog.e(TAG, "client process has already died"); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void unregisterCallback(ITvInputManagerCallback callback, int userId) { |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, "unregisterCallback"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| userState.mCallbacks.unregister(callback); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public boolean isParentalControlsEnabled(int userId) { |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, "isParentalControlsEnabled"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| return userState.persistentDataStore.isParentalControlsEnabled(); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void setParentalControlsEnabled(boolean enabled, int userId) { |
| ensureParentalControlsPermission(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, "setParentalControlsEnabled"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| userState.persistentDataStore.setParentalControlsEnabled(enabled); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public boolean isRatingBlocked(String rating, int userId) { |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, "isRatingBlocked"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| return userState.persistentDataStore.isRatingBlocked( |
| TvContentRating.unflattenFromString(rating)); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public List<String> getBlockedRatings(int userId) { |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, "getBlockedRatings"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| List<String> ratings = new ArrayList<>(); |
| for (TvContentRating rating |
| : userState.persistentDataStore.getBlockedRatings()) { |
| ratings.add(rating.flattenToString()); |
| } |
| return ratings; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void addBlockedRating(String rating, int userId) { |
| ensureParentalControlsPermission(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, "addBlockedRating"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| userState.persistentDataStore.addBlockedRating( |
| TvContentRating.unflattenFromString(rating)); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void removeBlockedRating(String rating, int userId) { |
| ensureParentalControlsPermission(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, "removeBlockedRating"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| userState.persistentDataStore.removeBlockedRating( |
| TvContentRating.unflattenFromString(rating)); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| private void ensureParentalControlsPermission() { |
| if (mContext.checkCallingPermission( |
| android.Manifest.permission.MODIFY_PARENTAL_CONTROLS) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException( |
| "The caller does not have parental controls permission"); |
| } |
| } |
| |
| @Override |
| public void createSession(final ITvInputClient client, final String inputId, |
| boolean isRecordingSession, int seq, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int callingPid = Binder.getCallingPid(); |
| final int resolvedUserId = resolveCallingUserId(callingPid, callingUid, |
| userId, "createSession"); |
| final long identity = Binder.clearCallingIdentity(); |
| StringBuilder sessionId = new StringBuilder(); |
| try { |
| synchronized (mLock) { |
| if (userId != mCurrentUserId && !isRecordingSession) { |
| // A non-recording session of a backgroud (non-current) user |
| // should not be created. |
| // Let the client get onConnectionFailed callback for this case. |
| sendSessionTokenToClientLocked(client, inputId, null, null, seq); |
| return; |
| } |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| TvInputState inputState = userState.inputMap.get(inputId); |
| if (inputState == null) { |
| Slog.w(TAG, "Failed to find input state for inputId=" + inputId); |
| sendSessionTokenToClientLocked(client, inputId, null, null, seq); |
| return; |
| } |
| TvInputInfo info = inputState.info; |
| ServiceState serviceState = userState.serviceStateMap.get(info.getComponent()); |
| if (serviceState == null) { |
| serviceState = new ServiceState(info.getComponent(), resolvedUserId); |
| userState.serviceStateMap.put(info.getComponent(), serviceState); |
| } |
| // Send a null token immediately while reconnecting. |
| if (serviceState.reconnecting) { |
| sendSessionTokenToClientLocked(client, inputId, null, null, seq); |
| return; |
| } |
| |
| // Create a unique session id with pid, uid and resolved user id |
| sessionId.append(callingUid).append(callingPid).append(resolvedUserId); |
| |
| // Create a new session token and a session state. |
| IBinder sessionToken = new Binder(); |
| SessionState sessionState = new SessionState(sessionToken, info.getId(), |
| info.getComponent(), isRecordingSession, client, seq, callingUid, |
| callingPid, resolvedUserId, sessionId.toString()); |
| |
| // Add them to the global session state map of the current user. |
| userState.sessionStateMap.put(sessionToken, sessionState); |
| |
| // Map the session id to the sessionStateMap in the user state |
| mSessionIdToSessionStateMap.put(sessionId.toString(), sessionState); |
| |
| // Also, add them to the session state map of the current service. |
| serviceState.sessionTokens.add(sessionToken); |
| |
| if (serviceState.service != null) { |
| if (!createSessionInternalLocked(serviceState.service, sessionToken, |
| resolvedUserId)) { |
| removeSessionStateLocked(sessionToken, resolvedUserId); |
| } |
| } else { |
| updateServiceConnectionLocked(info.getComponent(), resolvedUserId); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void releaseSession(IBinder sessionToken, int userId) { |
| if (DEBUG) { |
| Slog.d(TAG, "releaseSession(sessionToken=" + sessionToken + ")"); |
| } |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "releaseSession"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| releaseSessionLocked(sessionToken, callingUid, resolvedUserId); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void setMainSession(IBinder sessionToken, int userId) { |
| if (mContext.checkCallingPermission( |
| android.Manifest.permission.CHANGE_HDMI_CEC_ACTIVE_SOURCE) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException( |
| "The caller does not have CHANGE_HDMI_CEC_ACTIVE_SOURCE permission"); |
| } |
| if (DEBUG) { |
| Slog.d(TAG, "setMainSession(sessionToken=" + sessionToken + ")"); |
| } |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "setMainSession"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| if (userState.mainSessionToken == sessionToken) { |
| return; |
| } |
| if (DEBUG) { |
| Slog.d(TAG, "mainSessionToken=" + sessionToken); |
| } |
| IBinder oldMainSessionToken = userState.mainSessionToken; |
| userState.mainSessionToken = sessionToken; |
| |
| // Inform the new main session first. |
| // See {@link TvInputService.Session#onSetMain}. |
| if (sessionToken != null) { |
| setMainLocked(sessionToken, true, callingUid, userId); |
| } |
| if (oldMainSessionToken != null) { |
| setMainLocked(oldMainSessionToken, false, Process.SYSTEM_UID, userId); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void setSurface(IBinder sessionToken, Surface surface, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "setSurface"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, |
| resolvedUserId); |
| if (sessionState.hardwareSessionToken == null) { |
| getSessionLocked(sessionState).setSurface(surface); |
| } else { |
| getSessionLocked(sessionState.hardwareSessionToken, |
| Process.SYSTEM_UID, resolvedUserId).setSurface(surface); |
| } |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in setSurface", e); |
| } |
| } |
| } finally { |
| if (surface != null) { |
| // surface is not used in TvInputManagerService. |
| surface.release(); |
| } |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void dispatchSurfaceChanged(IBinder sessionToken, int format, int width, |
| int height, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "dispatchSurfaceChanged"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, |
| resolvedUserId); |
| getSessionLocked(sessionState).dispatchSurfaceChanged(format, width, |
| height); |
| if (sessionState.hardwareSessionToken != null) { |
| getSessionLocked(sessionState.hardwareSessionToken, Process.SYSTEM_UID, |
| resolvedUserId).dispatchSurfaceChanged(format, width, height); |
| } |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in dispatchSurfaceChanged", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void setVolume(IBinder sessionToken, float volume, int userId) { |
| final float REMOTE_VOLUME_ON = 1.0f; |
| final float REMOTE_VOLUME_OFF = 0f; |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "setVolume"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, |
| resolvedUserId); |
| getSessionLocked(sessionState).setVolume(volume); |
| if (sessionState.hardwareSessionToken != null) { |
| // Here, we let the hardware session know only whether volume is on or |
| // off to prevent that the volume is controlled in the both side. |
| getSessionLocked(sessionState.hardwareSessionToken, |
| Process.SYSTEM_UID, resolvedUserId).setVolume((volume > 0.0f) |
| ? REMOTE_VOLUME_ON : REMOTE_VOLUME_OFF); |
| } |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in setVolume", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void tune(IBinder sessionToken, final Uri channelUri, Bundle params, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "tune"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId).tune( |
| channelUri, params); |
| if (TvContract.isChannelUriForPassthroughInput(channelUri)) { |
| // Do not log the watch history for passthrough inputs. |
| return; |
| } |
| |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| SessionState sessionState = userState.sessionStateMap.get(sessionToken); |
| if (sessionState.isRecordingSession) { |
| return; |
| } |
| |
| // Log the start of watch. |
| SomeArgs args = SomeArgs.obtain(); |
| args.arg1 = sessionState.componentName.getPackageName(); |
| args.arg2 = System.currentTimeMillis(); |
| args.arg3 = ContentUris.parseId(channelUri); |
| args.arg4 = params; |
| args.arg5 = sessionToken; |
| mWatchLogHandler.obtainMessage(WatchLogHandler.MSG_LOG_WATCH_START, args) |
| .sendToTarget(); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in tune", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void unblockContent( |
| IBinder sessionToken, String unblockedRating, int userId) { |
| ensureParentalControlsPermission(); |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "unblockContent"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId) |
| .unblockContent(unblockedRating); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in unblockContent", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void setCaptionEnabled(IBinder sessionToken, boolean enabled, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "setCaptionEnabled"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId) |
| .setCaptionEnabled(enabled); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in setCaptionEnabled", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void selectTrack(IBinder sessionToken, int type, String trackId, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "selectTrack"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId).selectTrack( |
| type, trackId); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in selectTrack", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void sendAppPrivateCommand(IBinder sessionToken, String command, Bundle data, |
| int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "sendAppPrivateCommand"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId) |
| .appPrivateCommand(command, data); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in appPrivateCommand", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void createOverlayView(IBinder sessionToken, IBinder windowToken, Rect frame, |
| int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "createOverlayView"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId) |
| .createOverlayView(windowToken, frame); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in createOverlayView", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void relayoutOverlayView(IBinder sessionToken, Rect frame, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "relayoutOverlayView"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId) |
| .relayoutOverlayView(frame); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in relayoutOverlayView", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void removeOverlayView(IBinder sessionToken, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "removeOverlayView"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId) |
| .removeOverlayView(); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in removeOverlayView", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void timeShiftPlay(IBinder sessionToken, final Uri recordedProgramUri, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "timeShiftPlay"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId).timeShiftPlay( |
| recordedProgramUri); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in timeShiftPlay", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void timeShiftPause(IBinder sessionToken, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "timeShiftPause"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId).timeShiftPause(); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in timeShiftPause", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void timeShiftResume(IBinder sessionToken, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "timeShiftResume"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId) |
| .timeShiftResume(); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in timeShiftResume", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void timeShiftSeekTo(IBinder sessionToken, long timeMs, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "timeShiftSeekTo"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId) |
| .timeShiftSeekTo(timeMs); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in timeShiftSeekTo", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void timeShiftSetPlaybackParams(IBinder sessionToken, PlaybackParams params, |
| int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "timeShiftSetPlaybackParams"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId) |
| .timeShiftSetPlaybackParams(params); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in timeShiftSetPlaybackParams", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void timeShiftEnablePositionTracking(IBinder sessionToken, boolean enable, |
| int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "timeShiftEnablePositionTracking"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId) |
| .timeShiftEnablePositionTracking(enable); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in timeShiftEnablePositionTracking", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void startRecording(IBinder sessionToken, @Nullable Uri programUri, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "startRecording"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId).startRecording( |
| programUri); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in startRecording", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void stopRecording(IBinder sessionToken, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "stopRecording"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| try { |
| getSessionLocked(sessionToken, callingUid, resolvedUserId).stopRecording(); |
| } catch (RemoteException | SessionNotFoundException e) { |
| Slog.e(TAG, "error in stopRecording", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public List<TvInputHardwareInfo> getHardwareList() throws RemoteException { |
| if (mContext.checkCallingPermission(android.Manifest.permission.TV_INPUT_HARDWARE) |
| != PackageManager.PERMISSION_GRANTED) { |
| return null; |
| } |
| |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| return mTvInputHardwareManager.getHardwareList(); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public ITvInputHardware acquireTvInputHardware(int deviceId, |
| ITvInputHardwareCallback callback, TvInputInfo info, int userId) |
| throws RemoteException { |
| if (mContext.checkCallingPermission(android.Manifest.permission.TV_INPUT_HARDWARE) |
| != PackageManager.PERMISSION_GRANTED) { |
| return null; |
| } |
| |
| final long identity = Binder.clearCallingIdentity(); |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "acquireTvInputHardware"); |
| try { |
| return mTvInputHardwareManager.acquireHardware( |
| deviceId, callback, info, callingUid, resolvedUserId); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void releaseTvInputHardware(int deviceId, ITvInputHardware hardware, int userId) |
| throws RemoteException { |
| if (mContext.checkCallingPermission(android.Manifest.permission.TV_INPUT_HARDWARE) |
| != PackageManager.PERMISSION_GRANTED) { |
| return; |
| } |
| |
| final long identity = Binder.clearCallingIdentity(); |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "releaseTvInputHardware"); |
| try { |
| mTvInputHardwareManager.releaseHardware( |
| deviceId, hardware, callingUid, resolvedUserId); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public List<DvbDeviceInfo> getDvbDeviceList() throws RemoteException { |
| if (mContext.checkCallingPermission(android.Manifest.permission.DVB_DEVICE) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires DVB_DEVICE permission"); |
| } |
| |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| // Pattern1: /dev/dvb%d.frontend%d |
| ArrayList<DvbDeviceInfo> deviceInfosFromPattern1 = new ArrayList<>(); |
| File devDirectory = new File("/dev"); |
| boolean dvbDirectoryFound = false; |
| for (String fileName : devDirectory.list()) { |
| Matcher matcher = sFrontEndDevicePattern.matcher(fileName); |
| if (matcher.find()) { |
| int adapterId = Integer.parseInt(matcher.group(1)); |
| int deviceId = Integer.parseInt(matcher.group(2)); |
| deviceInfosFromPattern1.add(new DvbDeviceInfo(adapterId, deviceId)); |
| } |
| if (TextUtils.equals("dvb", fileName)) { |
| dvbDirectoryFound = true; |
| } |
| } |
| if (!dvbDirectoryFound) { |
| return Collections.unmodifiableList(deviceInfosFromPattern1); |
| } |
| File dvbDirectory = new File(DVB_DIRECTORY); |
| // Pattern2: /dev/dvb/adapter%d/frontend%d |
| ArrayList<DvbDeviceInfo> deviceInfosFromPattern2 = new ArrayList<>(); |
| for (String fileNameInDvb : dvbDirectory.list()) { |
| Matcher adapterMatcher = sAdapterDirPattern.matcher(fileNameInDvb); |
| if (adapterMatcher.find()) { |
| int adapterId = Integer.parseInt(adapterMatcher.group(1)); |
| File adapterDirectory = new File(DVB_DIRECTORY + "/" + fileNameInDvb); |
| for (String fileNameInAdapter : adapterDirectory.list()) { |
| Matcher frontendMatcher = sFrontEndInAdapterDirPattern.matcher( |
| fileNameInAdapter); |
| if (frontendMatcher.find()) { |
| int deviceId = Integer.parseInt(frontendMatcher.group(1)); |
| deviceInfosFromPattern2.add( |
| new DvbDeviceInfo(adapterId, deviceId)); |
| } |
| } |
| } |
| } |
| return deviceInfosFromPattern2.isEmpty() |
| ? Collections.unmodifiableList(deviceInfosFromPattern1) |
| : Collections.unmodifiableList(deviceInfosFromPattern2); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public ParcelFileDescriptor openDvbDevice(DvbDeviceInfo info, |
| @TvInputManager.DvbDeviceType int deviceType) throws RemoteException { |
| if (mContext.checkCallingPermission(android.Manifest.permission.DVB_DEVICE) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires DVB_DEVICE permission"); |
| } |
| |
| File devDirectory = new File("/dev"); |
| boolean dvbDeviceFound = false; |
| for (String fileName : devDirectory.list()) { |
| if (TextUtils.equals("dvb", fileName)) { |
| File dvbDirectory = new File(DVB_DIRECTORY); |
| for (String fileNameInDvb : dvbDirectory.list()) { |
| Matcher adapterMatcher = sAdapterDirPattern.matcher(fileNameInDvb); |
| if (adapterMatcher.find()) { |
| File adapterDirectory = new File(DVB_DIRECTORY + "/" + fileNameInDvb); |
| for (String fileNameInAdapter : adapterDirectory.list()) { |
| Matcher frontendMatcher = sFrontEndInAdapterDirPattern.matcher( |
| fileNameInAdapter); |
| if (frontendMatcher.find()) { |
| dvbDeviceFound = true; |
| break; |
| } |
| } |
| } |
| if (dvbDeviceFound) { |
| break; |
| } |
| } |
| } |
| if (dvbDeviceFound) { |
| break; |
| } |
| } |
| |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| String deviceFileName; |
| switch (deviceType) { |
| case TvInputManager.DVB_DEVICE_DEMUX: |
| deviceFileName = String.format(dvbDeviceFound |
| ? "/dev/dvb/adapter%d/demux%d" : "/dev/dvb%d.demux%d", |
| info.getAdapterId(), info.getDeviceId()); |
| break; |
| case TvInputManager.DVB_DEVICE_DVR: |
| deviceFileName = String.format(dvbDeviceFound |
| ? "/dev/dvb/adapter%d/dvr%d" : "/dev/dvb%d.dvr%d", |
| info.getAdapterId(), info.getDeviceId()); |
| break; |
| case TvInputManager.DVB_DEVICE_FRONTEND: |
| deviceFileName = String.format(dvbDeviceFound |
| ? "/dev/dvb/adapter%d/frontend%d" : "/dev/dvb%d.frontend%d", |
| info.getAdapterId(), info.getDeviceId()); |
| break; |
| default: |
| throw new IllegalArgumentException("Invalid DVB device: " + deviceType); |
| } |
| try { |
| // The DVB frontend device only needs to be opened in read/write mode, which |
| // allows performing tuning operations. The DVB demux and DVR device are enough |
| // to be opened in read only mode. |
| return ParcelFileDescriptor.open(new File(deviceFileName), |
| TvInputManager.DVB_DEVICE_FRONTEND == deviceType |
| ? ParcelFileDescriptor.MODE_READ_WRITE |
| : ParcelFileDescriptor.MODE_READ_ONLY); |
| } catch (FileNotFoundException e) { |
| return null; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public List<TvStreamConfig> getAvailableTvStreamConfigList(String inputId, int userId) |
| throws RemoteException { |
| ensureCaptureTvInputPermission(); |
| |
| final long identity = Binder.clearCallingIdentity(); |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "getAvailableTvStreamConfigList"); |
| try { |
| return mTvInputHardwareManager.getAvailableTvStreamConfigList( |
| inputId, callingUid, resolvedUserId); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public boolean captureFrame(String inputId, Surface surface, TvStreamConfig config, |
| int userId) |
| throws RemoteException { |
| ensureCaptureTvInputPermission(); |
| |
| final long identity = Binder.clearCallingIdentity(); |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "captureFrame"); |
| try { |
| String hardwareInputId = null; |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| if (userState.inputMap.get(inputId) == null) { |
| Slog.e(TAG, "input not found for " + inputId); |
| return false; |
| } |
| for (SessionState sessionState : userState.sessionStateMap.values()) { |
| if (sessionState.inputId.equals(inputId) |
| && sessionState.hardwareSessionToken != null) { |
| hardwareInputId = userState.sessionStateMap.get( |
| sessionState.hardwareSessionToken).inputId; |
| break; |
| } |
| } |
| } |
| return mTvInputHardwareManager.captureFrame( |
| (hardwareInputId != null) ? hardwareInputId : inputId, |
| surface, config, callingUid, resolvedUserId); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public boolean isSingleSessionActive(int userId) throws RemoteException { |
| ensureCaptureTvInputPermission(); |
| final long identity = Binder.clearCallingIdentity(); |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "isSingleSessionActive"); |
| try { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(resolvedUserId); |
| if (userState.sessionStateMap.size() == 1) { |
| return true; |
| } else if (userState.sessionStateMap.size() == 2) { |
| SessionState[] sessionStates = userState.sessionStateMap.values().toArray( |
| new SessionState[2]); |
| // Check if there is a wrapper input. |
| if (sessionStates[0].hardwareSessionToken != null |
| || sessionStates[1].hardwareSessionToken != null) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| private void ensureCaptureTvInputPermission() { |
| if (mContext.checkCallingPermission( |
| android.Manifest.permission.CAPTURE_TV_INPUT) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires CAPTURE_TV_INPUT permission"); |
| } |
| } |
| |
| @Override |
| public void requestChannelBrowsable(Uri channelUri, int userId) |
| throws RemoteException { |
| final String callingPackageName = getCallingPackageName(); |
| final long identity = Binder.clearCallingIdentity(); |
| final int callingUid = Binder.getCallingUid(); |
| final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, |
| userId, "requestChannelBrowsable"); |
| try { |
| Intent intent = new Intent(TvContract.ACTION_CHANNEL_BROWSABLE_REQUESTED); |
| List<ResolveInfo> list = getContext().getPackageManager() |
| .queryBroadcastReceivers(intent, 0); |
| if (list != null) { |
| for (ResolveInfo info : list) { |
| String receiverPackageName = info.activityInfo.packageName; |
| intent.putExtra(TvContract.EXTRA_CHANNEL_ID, ContentUris.parseId( |
| channelUri)); |
| intent.putExtra(TvContract.EXTRA_PACKAGE_NAME, callingPackageName); |
| intent.setPackage(receiverPackageName); |
| getContext().sendBroadcastAsUser(intent, new UserHandle(resolvedUserId)); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public int getClientPid(String sessionId) { |
| ensureTunerResourceAccessPermission(); |
| final long identity = Binder.clearCallingIdentity(); |
| |
| int clientPid = TvInputManager.UNKNOWN_CLIENT_PID; |
| try { |
| synchronized (mLock) { |
| try { |
| clientPid = getClientPidLocked(sessionId); |
| } catch (ClientPidNotFoundException e) { |
| Slog.e(TAG, "error in getClientPid", e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| return clientPid; |
| } |
| |
| private int getClientPidLocked(String sessionId) |
| throws IllegalStateException { |
| if (mSessionIdToSessionStateMap.get(sessionId) == null) { |
| throw new IllegalStateException("Client Pid not found with sessionId " |
| + sessionId); |
| } |
| return mSessionIdToSessionStateMap.get(sessionId).callingPid; |
| } |
| |
| private void ensureTunerResourceAccessPermission() { |
| if (mContext.checkCallingPermission( |
| android.Manifest.permission.TUNER_RESOURCE_ACCESS) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires TUNER_RESOURCE_ACCESS permission"); |
| } |
| } |
| |
| @Override |
| @SuppressWarnings("resource") |
| protected void dump(FileDescriptor fd, final PrintWriter writer, String[] args) { |
| final IndentingPrintWriter pw = new IndentingPrintWriter(writer, " "); |
| if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return; |
| |
| synchronized (mLock) { |
| pw.println("User Ids (Current user: " + mCurrentUserId + "):"); |
| pw.increaseIndent(); |
| for (int i = 0; i < mUserStates.size(); i++) { |
| int userId = mUserStates.keyAt(i); |
| pw.println(Integer.valueOf(userId)); |
| } |
| pw.decreaseIndent(); |
| |
| for (int i = 0; i < mUserStates.size(); i++) { |
| int userId = mUserStates.keyAt(i); |
| UserState userState = getOrCreateUserStateLocked(userId); |
| pw.println("UserState (" + userId + "):"); |
| pw.increaseIndent(); |
| |
| pw.println("inputMap: inputId -> TvInputState"); |
| pw.increaseIndent(); |
| for (Map.Entry<String, TvInputState> entry: userState.inputMap.entrySet()) { |
| pw.println(entry.getKey() + ": " + entry.getValue()); |
| } |
| pw.decreaseIndent(); |
| |
| pw.println("packageSet:"); |
| pw.increaseIndent(); |
| for (String packageName : userState.packageSet) { |
| pw.println(packageName); |
| } |
| pw.decreaseIndent(); |
| |
| pw.println("clientStateMap: ITvInputClient -> ClientState"); |
| pw.increaseIndent(); |
| for (Map.Entry<IBinder, ClientState> entry : |
| userState.clientStateMap.entrySet()) { |
| ClientState client = entry.getValue(); |
| pw.println(entry.getKey() + ": " + client); |
| |
| pw.increaseIndent(); |
| |
| pw.println("sessionTokens:"); |
| pw.increaseIndent(); |
| for (IBinder token : client.sessionTokens) { |
| pw.println("" + token); |
| } |
| pw.decreaseIndent(); |
| |
| pw.println("clientTokens: " + client.clientToken); |
| pw.println("userId: " + client.userId); |
| |
| pw.decreaseIndent(); |
| } |
| pw.decreaseIndent(); |
| |
| pw.println("serviceStateMap: ComponentName -> ServiceState"); |
| pw.increaseIndent(); |
| for (Map.Entry<ComponentName, ServiceState> entry : |
| userState.serviceStateMap.entrySet()) { |
| ServiceState service = entry.getValue(); |
| pw.println(entry.getKey() + ": " + service); |
| |
| pw.increaseIndent(); |
| |
| pw.println("sessionTokens:"); |
| pw.increaseIndent(); |
| for (IBinder token : service.sessionTokens) { |
| pw.println("" + token); |
| } |
| pw.decreaseIndent(); |
| |
| pw.println("service: " + service.service); |
| pw.println("callback: " + service.callback); |
| pw.println("bound: " + service.bound); |
| pw.println("reconnecting: " + service.reconnecting); |
| |
| pw.decreaseIndent(); |
| } |
| pw.decreaseIndent(); |
| |
| pw.println("sessionStateMap: ITvInputSession -> SessionState"); |
| pw.increaseIndent(); |
| for (Map.Entry<IBinder, SessionState> entry : |
| userState.sessionStateMap.entrySet()) { |
| SessionState session = entry.getValue(); |
| pw.println(entry.getKey() + ": " + session); |
| |
| pw.increaseIndent(); |
| pw.println("inputId: " + session.inputId); |
| pw.println("sessionId: " + session.sessionId); |
| pw.println("client: " + session.client); |
| pw.println("seq: " + session.seq); |
| pw.println("callingUid: " + session.callingUid); |
| pw.println("callingPid: " + session.callingPid); |
| pw.println("userId: " + session.userId); |
| pw.println("sessionToken: " + session.sessionToken); |
| pw.println("session: " + session.session); |
| pw.println("logUri: " + session.logUri); |
| pw.println("hardwareSessionToken: " + session.hardwareSessionToken); |
| pw.decreaseIndent(); |
| } |
| pw.decreaseIndent(); |
| |
| pw.println("mCallbacks:"); |
| pw.increaseIndent(); |
| int n = userState.mCallbacks.beginBroadcast(); |
| for (int j = 0; j < n; ++j) { |
| pw.println(userState.mCallbacks.getRegisteredCallbackItem(j).toString()); |
| } |
| userState.mCallbacks.finishBroadcast(); |
| pw.decreaseIndent(); |
| |
| pw.println("mainSessionToken: " + userState.mainSessionToken); |
| pw.decreaseIndent(); |
| } |
| } |
| mTvInputHardwareManager.dump(fd, writer, args); |
| } |
| } |
| |
| private static final class UserState { |
| // A mapping from the TV input id to its TvInputState. |
| private Map<String, TvInputState> inputMap = new HashMap<>(); |
| |
| // A set of all TV input packages. |
| private final Set<String> packageSet = new HashSet<>(); |
| |
| // A list of all TV content rating systems defined. |
| private final List<TvContentRatingSystemInfo> |
| contentRatingSystemList = new ArrayList<>(); |
| |
| // A mapping from the token of a client to its state. |
| private final Map<IBinder, ClientState> clientStateMap = new HashMap<>(); |
| |
| // A mapping from the name of a TV input service to its state. |
| private final Map<ComponentName, ServiceState> serviceStateMap = new HashMap<>(); |
| |
| // A mapping from the token of a TV input session to its state. |
| private final Map<IBinder, SessionState> sessionStateMap = new HashMap<>(); |
| |
| // A list of callbacks. |
| private final RemoteCallbackList<ITvInputManagerCallback> mCallbacks = |
| new RemoteCallbackList<ITvInputManagerCallback>(); |
| |
| // The token of a "main" TV input session. |
| private IBinder mainSessionToken = null; |
| |
| // Persistent data store for all internal settings maintained by the TV input manager |
| // service. |
| private final PersistentDataStore persistentDataStore; |
| |
| private UserState(Context context, int userId) { |
| persistentDataStore = new PersistentDataStore(context, userId); |
| } |
| } |
| |
| private final class ClientState implements IBinder.DeathRecipient { |
| private final List<IBinder> sessionTokens = new ArrayList<>(); |
| |
| private IBinder clientToken; |
| private final int userId; |
| |
| ClientState(IBinder clientToken, int userId) { |
| this.clientToken = clientToken; |
| this.userId = userId; |
| } |
| |
| public boolean isEmpty() { |
| return sessionTokens.isEmpty(); |
| } |
| |
| @Override |
| public void binderDied() { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(userId); |
| // DO NOT remove the client state of clientStateMap in this method. It will be |
| // removed in releaseSessionLocked(). |
| ClientState clientState = userState.clientStateMap.get(clientToken); |
| if (clientState != null) { |
| while (clientState.sessionTokens.size() > 0) { |
| releaseSessionLocked( |
| clientState.sessionTokens.get(0), Process.SYSTEM_UID, userId); |
| } |
| } |
| clientToken = null; |
| } |
| } |
| } |
| |
| private final class ServiceState { |
| private final List<IBinder> sessionTokens = new ArrayList<>(); |
| private final ServiceConnection connection; |
| private final ComponentName component; |
| private final boolean isHardware; |
| private final Map<String, TvInputInfo> hardwareInputMap = new HashMap<>(); |
| |
| private ITvInputService service; |
| private ServiceCallback callback; |
| private boolean bound; |
| private boolean reconnecting; |
| |
| private ServiceState(ComponentName component, int userId) { |
| this.component = component; |
| this.connection = new InputServiceConnection(component, userId); |
| this.isHardware = hasHardwarePermission(mContext.getPackageManager(), component); |
| } |
| } |
| |
| private static final class TvInputState { |
| // A TvInputInfo object which represents the TV input. |
| private TvInputInfo info; |
| |
| // The state of TV input. Connected by default. |
| private int state = INPUT_STATE_CONNECTED; |
| |
| @Override |
| public String toString() { |
| return "info: " + info + "; state: " + state; |
| } |
| } |
| |
| private final class SessionState implements IBinder.DeathRecipient { |
| private final String inputId; |
| private final String sessionId; |
| private final ComponentName componentName; |
| private final boolean isRecordingSession; |
| private final ITvInputClient client; |
| private final int seq; |
| private final int callingUid; |
| private final int callingPid; |
| private final int userId; |
| private final IBinder sessionToken; |
| private ITvInputSession session; |
| private Uri logUri; |
| // Not null if this session represents an external device connected to a hardware TV input. |
| private IBinder hardwareSessionToken; |
| |
| private SessionState(IBinder sessionToken, String inputId, ComponentName componentName, |
| boolean isRecordingSession, ITvInputClient client, int seq, int callingUid, |
| int callingPid, int userId, String sessionId) { |
| this.sessionToken = sessionToken; |
| this.inputId = inputId; |
| this.componentName = componentName; |
| this.isRecordingSession = isRecordingSession; |
| this.client = client; |
| this.seq = seq; |
| this.callingUid = callingUid; |
| this.callingPid = callingPid; |
| this.userId = userId; |
| this.sessionId = sessionId; |
| } |
| |
| @Override |
| public void binderDied() { |
| synchronized (mLock) { |
| session = null; |
| clearSessionAndNotifyClientLocked(this); |
| } |
| } |
| } |
| |
| private final class InputServiceConnection implements ServiceConnection { |
| private final ComponentName mComponent; |
| private final int mUserId; |
| |
| private InputServiceConnection(ComponentName component, int userId) { |
| mComponent = component; |
| mUserId = userId; |
| } |
| |
| @Override |
| public void onServiceConnected(ComponentName component, IBinder service) { |
| if (DEBUG) { |
| Slog.d(TAG, "onServiceConnected(component=" + component + ")"); |
| } |
| synchronized (mLock) { |
| UserState userState = mUserStates.get(mUserId); |
| if (userState == null) { |
| // The user was removed while connecting. |
| mContext.unbindService(this); |
| return; |
| } |
| ServiceState serviceState = userState.serviceStateMap.get(mComponent); |
| serviceState.service = ITvInputService.Stub.asInterface(service); |
| |
| // Register a callback, if we need to. |
| if (serviceState.isHardware && serviceState.callback == null) { |
| serviceState.callback = new ServiceCallback(mComponent, mUserId); |
| try { |
| serviceState.service.registerCallback(serviceState.callback); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in registerCallback", e); |
| } |
| } |
| |
| List<IBinder> tokensToBeRemoved = new ArrayList<>(); |
| |
| // And create sessions, if any. |
| for (IBinder sessionToken : serviceState.sessionTokens) { |
| if (!createSessionInternalLocked(serviceState.service, sessionToken, mUserId)) { |
| tokensToBeRemoved.add(sessionToken); |
| } |
| } |
| |
| for (IBinder sessionToken : tokensToBeRemoved) { |
| removeSessionStateLocked(sessionToken, mUserId); |
| } |
| |
| for (TvInputState inputState : userState.inputMap.values()) { |
| if (inputState.info.getComponent().equals(component) |
| && inputState.state != INPUT_STATE_CONNECTED) { |
| notifyInputStateChangedLocked(userState, inputState.info.getId(), |
| inputState.state, null); |
| } |
| } |
| |
| if (serviceState.isHardware) { |
| serviceState.hardwareInputMap.clear(); |
| for (TvInputHardwareInfo hardware : mTvInputHardwareManager.getHardwareList()) { |
| try { |
| serviceState.service.notifyHardwareAdded(hardware); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in notifyHardwareAdded", e); |
| } |
| } |
| for (HdmiDeviceInfo device : mTvInputHardwareManager.getHdmiDeviceList()) { |
| try { |
| serviceState.service.notifyHdmiDeviceAdded(device); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in notifyHdmiDeviceAdded", e); |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void onServiceDisconnected(ComponentName component) { |
| if (DEBUG) { |
| Slog.d(TAG, "onServiceDisconnected(component=" + component + ")"); |
| } |
| if (!mComponent.equals(component)) { |
| throw new IllegalArgumentException("Mismatched ComponentName: " |
| + mComponent + " (expected), " + component + " (actual)."); |
| } |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(mUserId); |
| ServiceState serviceState = userState.serviceStateMap.get(mComponent); |
| if (serviceState != null) { |
| serviceState.reconnecting = true; |
| serviceState.bound = false; |
| serviceState.service = null; |
| serviceState.callback = null; |
| |
| abortPendingCreateSessionRequestsLocked(serviceState, null, mUserId); |
| } |
| } |
| } |
| } |
| |
| private final class ServiceCallback extends ITvInputServiceCallback.Stub { |
| private final ComponentName mComponent; |
| private final int mUserId; |
| |
| ServiceCallback(ComponentName component, int userId) { |
| mComponent = component; |
| mUserId = userId; |
| } |
| |
| private void ensureHardwarePermission() { |
| if (mContext.checkCallingPermission(android.Manifest.permission.TV_INPUT_HARDWARE) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("The caller does not have hardware permission"); |
| } |
| } |
| |
| private void ensureValidInput(TvInputInfo inputInfo) { |
| if (inputInfo.getId() == null || !mComponent.equals(inputInfo.getComponent())) { |
| throw new IllegalArgumentException("Invalid TvInputInfo"); |
| } |
| } |
| |
| private void addHardwareInputLocked(TvInputInfo inputInfo) { |
| ServiceState serviceState = getServiceStateLocked(mComponent, mUserId); |
| serviceState.hardwareInputMap.put(inputInfo.getId(), inputInfo); |
| buildTvInputListLocked(mUserId, null); |
| } |
| |
| public void addHardwareInput(int deviceId, TvInputInfo inputInfo) { |
| ensureHardwarePermission(); |
| ensureValidInput(inputInfo); |
| synchronized (mLock) { |
| mTvInputHardwareManager.addHardwareInput(deviceId, inputInfo); |
| addHardwareInputLocked(inputInfo); |
| } |
| } |
| |
| public void addHdmiInput(int id, TvInputInfo inputInfo) { |
| ensureHardwarePermission(); |
| ensureValidInput(inputInfo); |
| synchronized (mLock) { |
| mTvInputHardwareManager.addHdmiInput(id, inputInfo); |
| addHardwareInputLocked(inputInfo); |
| } |
| } |
| |
| public void removeHardwareInput(String inputId) { |
| ensureHardwarePermission(); |
| synchronized (mLock) { |
| ServiceState serviceState = getServiceStateLocked(mComponent, mUserId); |
| boolean removed = serviceState.hardwareInputMap.remove(inputId) != null; |
| if (removed) { |
| buildTvInputListLocked(mUserId, null); |
| mTvInputHardwareManager.removeHardwareInput(inputId); |
| } else { |
| Slog.e(TAG, "failed to remove input " + inputId); |
| } |
| } |
| } |
| } |
| |
| private final class SessionCallback extends ITvInputSessionCallback.Stub { |
| private final SessionState mSessionState; |
| private final InputChannel[] mChannels; |
| |
| SessionCallback(SessionState sessionState, InputChannel[] channels) { |
| mSessionState = sessionState; |
| mChannels = channels; |
| } |
| |
| @Override |
| public void onSessionCreated(ITvInputSession session, IBinder hardwareSessionToken) { |
| if (DEBUG) { |
| Slog.d(TAG, "onSessionCreated(inputId=" + mSessionState.inputId + ")"); |
| } |
| synchronized (mLock) { |
| mSessionState.session = session; |
| mSessionState.hardwareSessionToken = hardwareSessionToken; |
| if (session != null && addSessionTokenToClientStateLocked(session)) { |
| sendSessionTokenToClientLocked(mSessionState.client, |
| mSessionState.inputId, mSessionState.sessionToken, mChannels[0], |
| mSessionState.seq); |
| } else { |
| removeSessionStateLocked(mSessionState.sessionToken, mSessionState.userId); |
| sendSessionTokenToClientLocked(mSessionState.client, |
| mSessionState.inputId, null, null, mSessionState.seq); |
| } |
| mChannels[0].dispose(); |
| } |
| } |
| |
| private boolean addSessionTokenToClientStateLocked(ITvInputSession session) { |
| try { |
| session.asBinder().linkToDeath(mSessionState, 0); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "session process has already died", e); |
| return false; |
| } |
| |
| IBinder clientToken = mSessionState.client.asBinder(); |
| UserState userState = getOrCreateUserStateLocked(mSessionState.userId); |
| ClientState clientState = userState.clientStateMap.get(clientToken); |
| if (clientState == null) { |
| clientState = new ClientState(clientToken, mSessionState.userId); |
| try { |
| clientToken.linkToDeath(clientState, 0); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "client process has already died", e); |
| return false; |
| } |
| userState.clientStateMap.put(clientToken, clientState); |
| } |
| clientState.sessionTokens.add(mSessionState.sessionToken); |
| return true; |
| } |
| |
| @Override |
| public void onChannelRetuned(Uri channelUri) { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onChannelRetuned(" + channelUri + ")"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| // TODO: Consider adding this channel change in the watch log. When we do |
| // that, how we can protect the watch log from malicious tv inputs should |
| // be addressed. e.g. add a field which represents where the channel change |
| // originated from. |
| mSessionState.client.onChannelRetuned(channelUri, mSessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onChannelRetuned", e); |
| } |
| } |
| } |
| |
| @Override |
| public void onTracksChanged(List<TvTrackInfo> tracks) { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onTracksChanged(" + tracks + ")"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| mSessionState.client.onTracksChanged(tracks, mSessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onTracksChanged", e); |
| } |
| } |
| } |
| |
| @Override |
| public void onTrackSelected(int type, String trackId) { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onTrackSelected(type=" + type + ", trackId=" + trackId + ")"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| mSessionState.client.onTrackSelected(type, trackId, mSessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onTrackSelected", e); |
| } |
| } |
| } |
| |
| @Override |
| public void onVideoAvailable() { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onVideoAvailable()"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| mSessionState.client.onVideoAvailable(mSessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onVideoAvailable", e); |
| } |
| } |
| } |
| |
| @Override |
| public void onVideoUnavailable(int reason) { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onVideoUnavailable(" + reason + ")"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| mSessionState.client.onVideoUnavailable(reason, mSessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onVideoUnavailable", e); |
| } |
| } |
| } |
| |
| @Override |
| public void onContentAllowed() { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onContentAllowed()"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| mSessionState.client.onContentAllowed(mSessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onContentAllowed", e); |
| } |
| } |
| } |
| |
| @Override |
| public void onContentBlocked(String rating) { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onContentBlocked()"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| mSessionState.client.onContentBlocked(rating, mSessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onContentBlocked", e); |
| } |
| } |
| } |
| |
| @Override |
| public void onLayoutSurface(int left, int top, int right, int bottom) { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onLayoutSurface (left=" + left + ", top=" + top |
| + ", right=" + right + ", bottom=" + bottom + ",)"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| mSessionState.client.onLayoutSurface(left, top, right, bottom, |
| mSessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onLayoutSurface", e); |
| } |
| } |
| } |
| |
| @Override |
| public void onSessionEvent(String eventType, Bundle eventArgs) { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onEvent(eventType=" + eventType + ", eventArgs=" + eventArgs |
| + ")"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| mSessionState.client.onSessionEvent(eventType, eventArgs, mSessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onSessionEvent", e); |
| } |
| } |
| } |
| |
| @Override |
| public void onTimeShiftStatusChanged(int status) { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onTimeShiftStatusChanged(status=" + status + ")"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| mSessionState.client.onTimeShiftStatusChanged(status, mSessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onTimeShiftStatusChanged", e); |
| } |
| } |
| } |
| |
| @Override |
| public void onTimeShiftStartPositionChanged(long timeMs) { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onTimeShiftStartPositionChanged(timeMs=" + timeMs + ")"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| mSessionState.client.onTimeShiftStartPositionChanged(timeMs, mSessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onTimeShiftStartPositionChanged", e); |
| } |
| } |
| } |
| |
| @Override |
| public void onTimeShiftCurrentPositionChanged(long timeMs) { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onTimeShiftCurrentPositionChanged(timeMs=" + timeMs + ")"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| mSessionState.client.onTimeShiftCurrentPositionChanged(timeMs, |
| mSessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onTimeShiftCurrentPositionChanged", e); |
| } |
| } |
| } |
| |
| // For the recording session only |
| @Override |
| public void onTuned(Uri channelUri) { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onTuned()"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| mSessionState.client.onTuned(mSessionState.seq, channelUri); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onTuned", e); |
| } |
| } |
| } |
| |
| // For the recording session only |
| @Override |
| public void onRecordingStopped(Uri recordedProgramUri) { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onRecordingStopped(recordedProgramUri=" + recordedProgramUri |
| + ")"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| mSessionState.client.onRecordingStopped(recordedProgramUri, mSessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onRecordingStopped", e); |
| } |
| } |
| } |
| |
| // For the recording session only |
| @Override |
| public void onError(int error) { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Slog.d(TAG, "onError(error=" + error + ")"); |
| } |
| if (mSessionState.session == null || mSessionState.client == null) { |
| return; |
| } |
| try { |
| mSessionState.client.onError(error, mSessionState.seq); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in onError", e); |
| } |
| } |
| } |
| } |
| |
| private static final class WatchLogHandler extends Handler { |
| // There are only two kinds of watch events that can happen on the system: |
| // 1. The current TV input session is tuned to a new channel. |
| // 2. The session is released for some reason. |
| // The former indicates the end of the previous log entry, if any, followed by the start of |
| // a new entry. The latter indicates the end of the most recent entry for the given session. |
| // Here the system supplies the database the smallest set of information only that is |
| // sufficient to consolidate the log entries while minimizing database operations in the |
| // system service. |
| static final int MSG_LOG_WATCH_START = 1; |
| static final int MSG_LOG_WATCH_END = 2; |
| static final int MSG_SWITCH_CONTENT_RESOLVER = 3; |
| |
| private ContentResolver mContentResolver; |
| |
| WatchLogHandler(ContentResolver contentResolver, Looper looper) { |
| super(looper); |
| mContentResolver = contentResolver; |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case MSG_LOG_WATCH_START: { |
| SomeArgs args = (SomeArgs) msg.obj; |
| String packageName = (String) args.arg1; |
| long watchStartTime = (long) args.arg2; |
| long channelId = (long) args.arg3; |
| Bundle tuneParams = (Bundle) args.arg4; |
| IBinder sessionToken = (IBinder) args.arg5; |
| |
| ContentValues values = new ContentValues(); |
| values.put(TvContract.WatchedPrograms.COLUMN_PACKAGE_NAME, packageName); |
| values.put(TvContract.WatchedPrograms.COLUMN_WATCH_START_TIME_UTC_MILLIS, |
| watchStartTime); |
| values.put(TvContract.WatchedPrograms.COLUMN_CHANNEL_ID, channelId); |
| if (tuneParams != null) { |
| values.put(TvContract.WatchedPrograms.COLUMN_INTERNAL_TUNE_PARAMS, |
| encodeTuneParams(tuneParams)); |
| } |
| values.put(TvContract.WatchedPrograms.COLUMN_INTERNAL_SESSION_TOKEN, |
| sessionToken.toString()); |
| |
| mContentResolver.insert(TvContract.WatchedPrograms.CONTENT_URI, values); |
| args.recycle(); |
| break; |
| } |
| case MSG_LOG_WATCH_END: { |
| SomeArgs args = (SomeArgs) msg.obj; |
| IBinder sessionToken = (IBinder) args.arg1; |
| long watchEndTime = (long) args.arg2; |
| |
| ContentValues values = new ContentValues(); |
| values.put(TvContract.WatchedPrograms.COLUMN_WATCH_END_TIME_UTC_MILLIS, |
| watchEndTime); |
| values.put(TvContract.WatchedPrograms.COLUMN_INTERNAL_SESSION_TOKEN, |
| sessionToken.toString()); |
| |
| mContentResolver.insert(TvContract.WatchedPrograms.CONTENT_URI, values); |
| args.recycle(); |
| break; |
| } |
| case MSG_SWITCH_CONTENT_RESOLVER: { |
| mContentResolver = (ContentResolver) msg.obj; |
| break; |
| } |
| default: { |
| Slog.w(TAG, "unhandled message code: " + msg.what); |
| break; |
| } |
| } |
| } |
| |
| private String encodeTuneParams(Bundle tuneParams) { |
| StringBuilder builder = new StringBuilder(); |
| Set<String> keySet = tuneParams.keySet(); |
| Iterator<String> it = keySet.iterator(); |
| while (it.hasNext()) { |
| String key = it.next(); |
| Object value = tuneParams.get(key); |
| if (value == null) { |
| continue; |
| } |
| builder.append(replaceEscapeCharacters(key)); |
| builder.append("="); |
| builder.append(replaceEscapeCharacters(value.toString())); |
| if (it.hasNext()) { |
| builder.append(", "); |
| } |
| } |
| return builder.toString(); |
| } |
| |
| private String replaceEscapeCharacters(String src) { |
| final char ESCAPE_CHARACTER = '%'; |
| final String ENCODING_TARGET_CHARACTERS = "%=,"; |
| StringBuilder builder = new StringBuilder(); |
| for (char ch : src.toCharArray()) { |
| if (ENCODING_TARGET_CHARACTERS.indexOf(ch) >= 0) { |
| builder.append(ESCAPE_CHARACTER); |
| } |
| builder.append(ch); |
| } |
| return builder.toString(); |
| } |
| } |
| |
| private final class HardwareListener implements TvInputHardwareManager.Listener { |
| @Override |
| public void onStateChanged(String inputId, int state) { |
| synchronized (mLock) { |
| setStateLocked(inputId, state, mCurrentUserId); |
| } |
| } |
| |
| @Override |
| public void onHardwareDeviceAdded(TvInputHardwareInfo info) { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(mCurrentUserId); |
| // Broadcast the event to all hardware inputs. |
| for (ServiceState serviceState : userState.serviceStateMap.values()) { |
| if (!serviceState.isHardware || serviceState.service == null) continue; |
| try { |
| serviceState.service.notifyHardwareAdded(info); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in notifyHardwareAdded", e); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void onHardwareDeviceRemoved(TvInputHardwareInfo info) { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(mCurrentUserId); |
| // Broadcast the event to all hardware inputs. |
| for (ServiceState serviceState : userState.serviceStateMap.values()) { |
| if (!serviceState.isHardware || serviceState.service == null) continue; |
| try { |
| serviceState.service.notifyHardwareRemoved(info); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in notifyHardwareRemoved", e); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void onHdmiDeviceAdded(HdmiDeviceInfo deviceInfo) { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(mCurrentUserId); |
| // Broadcast the event to all hardware inputs. |
| for (ServiceState serviceState : userState.serviceStateMap.values()) { |
| if (!serviceState.isHardware || serviceState.service == null) continue; |
| try { |
| serviceState.service.notifyHdmiDeviceAdded(deviceInfo); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in notifyHdmiDeviceAdded", e); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void onHdmiDeviceRemoved(HdmiDeviceInfo deviceInfo) { |
| synchronized (mLock) { |
| UserState userState = getOrCreateUserStateLocked(mCurrentUserId); |
| // Broadcast the event to all hardware inputs. |
| for (ServiceState serviceState : userState.serviceStateMap.values()) { |
| if (!serviceState.isHardware || serviceState.service == null) continue; |
| try { |
| serviceState.service.notifyHdmiDeviceRemoved(deviceInfo); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in notifyHdmiDeviceRemoved", e); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void onHdmiDeviceUpdated(String inputId, HdmiDeviceInfo deviceInfo) { |
| synchronized (mLock) { |
| Integer state; |
| switch (deviceInfo.getDevicePowerStatus()) { |
| case HdmiControlManager.POWER_STATUS_ON: |
| state = INPUT_STATE_CONNECTED; |
| break; |
| case HdmiControlManager.POWER_STATUS_STANDBY: |
| case HdmiControlManager.POWER_STATUS_TRANSIENT_TO_ON: |
| case HdmiControlManager.POWER_STATUS_TRANSIENT_TO_STANDBY: |
| state = INPUT_STATE_CONNECTED_STANDBY; |
| break; |
| case HdmiControlManager.POWER_STATUS_UNKNOWN: |
| default: |
| state = null; |
| break; |
| } |
| if (state != null) { |
| setStateLocked(inputId, state, mCurrentUserId); |
| } |
| UserState userState = getOrCreateUserStateLocked(mCurrentUserId); |
| // Broadcast the event to all hardware inputs. |
| for (ServiceState serviceState : userState.serviceStateMap.values()) { |
| if (!serviceState.isHardware || serviceState.service == null) continue; |
| try { |
| serviceState.service.notifyHdmiDeviceUpdated(deviceInfo); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "error in notifyHdmiDeviceUpdated", e); |
| } |
| } |
| } |
| } |
| } |
| |
| private static class SessionNotFoundException extends IllegalArgumentException { |
| public SessionNotFoundException(String name) { |
| super(name); |
| } |
| } |
| |
| private static class ClientPidNotFoundException extends IllegalArgumentException { |
| public ClientPidNotFoundException(String name) { |
| super(name); |
| } |
| } |
| } |