Merge changes from topics "embms-0728-adjustments", "embms-0721-adjustments", "fix-streaming-api", "mock-unhide-embms-streaming" into oc-mr1-dev

* changes:
  Embms adjustments for 7/28
  Embms API adjustments for 7/21
  Fix lint errors in the streaming API
  Mock-un-hide the MBMS streaming APIs
This commit is contained in:
Hall Liu
2017-09-08 21:39:29 +00:00
committed by Android (Google) Code Review
19 changed files with 936 additions and 368 deletions

View File

@@ -18,19 +18,19 @@ package android.telephony;
import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.SdkConstant;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.SharedPreferences;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.os.IBinder;
import android.os.RemoteException;
import android.telephony.mbms.DownloadProgressListener;
import android.telephony.mbms.FileInfo;
import android.telephony.mbms.DownloadRequest;
import android.telephony.mbms.IDownloadProgressListener;
import android.telephony.mbms.IMbmsDownloadManagerCallback;
import android.telephony.mbms.MbmsDownloadManagerCallback;
import android.telephony.mbms.MbmsDownloadReceiver;
import android.telephony.mbms.MbmsException;
@@ -44,6 +44,7 @@ import java.io.IOException;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
@@ -52,147 +53,38 @@ import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
public class MbmsDownloadManager {
private static final String LOG_TAG = MbmsDownloadManager.class.getSimpleName();
/** @hide */
// TODO: systemapi
@SdkConstant(SdkConstant.SdkConstantType.SERVICE_ACTION)
public static final String MBMS_DOWNLOAD_SERVICE_ACTION =
"android.telephony.action.EmbmsDownload";
/**
* The MBMS middleware should send this when a download of single file has completed or
* failed. Mandatory extras are
* {@link #EXTRA_RESULT}
* {@link #EXTRA_FILE_INFO}
* {@link #EXTRA_REQUEST}
* {@link #EXTRA_TEMP_LIST}
* {@link #EXTRA_FINAL_URI}
*
* TODO: future systemapi
*/
public static final String ACTION_DOWNLOAD_RESULT_INTERNAL =
"android.telephony.mbms.action.DOWNLOAD_RESULT_INTERNAL";
/**
* The MBMS middleware should send this when it wishes to request {@code content://} URIs to
* serve as temp files for downloads or when it wishes to resume paused downloads. Mandatory
* extras are
* {@link #EXTRA_REQUEST}
*
* Optional extras are
* {@link #EXTRA_FD_COUNT} (0 if not present)
* {@link #EXTRA_PAUSED_LIST} (empty if not present)
*
* TODO: future systemapi
*/
public static final String ACTION_FILE_DESCRIPTOR_REQUEST =
"android.telephony.mbms.action.FILE_DESCRIPTOR_REQUEST";
/**
* The MBMS middleware should send this when it wishes to clean up temp files in the app's
* filesystem. Mandatory extras are:
* {@link #EXTRA_TEMP_FILES_IN_USE}
*
* TODO: future systemapi
*/
public static final String ACTION_CLEANUP =
"android.telephony.mbms.action.CLEANUP";
/**
* Integer extra indicating the result code of the download. One of
* {@link #RESULT_SUCCESSFUL}, {@link #RESULT_EXPIRED}, or {@link #RESULT_CANCELLED}.
* TODO: Not systemapi.
*/
public static final String EXTRA_RESULT = "android.telephony.mbms.extra.RESULT";
/**
* Extra containing the {@link android.telephony.mbms.FileInfo} for which the download result
* is for. Must not be null.
* TODO: Not systemapi.
*/
public static final String EXTRA_FILE_INFO = "android.telephony.mbms.extra.FILE_INFO";
/**
* Extra containing the {@link DownloadRequest} for which the download result or file
* descriptor request is for. Must not be null.
* TODO: future systemapi (here and and all extras) except the three for the app intent
*/
public static final String EXTRA_REQUEST = "android.telephony.mbms.extra.REQUEST";
/**
* Extra containing a {@link List} of {@link Uri}s that were used as temp files for this
* completed file. These {@link Uri}s should have scheme {@code file://}, and the temp
* files will be deleted upon receipt of the intent.
* May be null.
*/
public static final String EXTRA_TEMP_LIST = "android.telephony.mbms.extra.TEMP_LIST";
/**
* Extra containing a single {@link Uri} indicating the path to the temp file in which the
* decoded downloaded file resides. Must not be null.
*/
public static final String EXTRA_FINAL_URI = "android.telephony.mbms.extra.FINAL_URI";
/**
* Extra containing an integer indicating the number of temp files requested.
*/
public static final String EXTRA_FD_COUNT = "android.telephony.mbms.extra.FD_COUNT";
/**
* Extra containing a list of {@link Uri}s that the middleware is requesting access to via
* {@link #ACTION_FILE_DESCRIPTOR_REQUEST} in order to resume downloading. These {@link Uri}s
* should have scheme {@code file://}.
*/
public static final String EXTRA_PAUSED_LIST = "android.telephony.mbms.extra.PAUSED_LIST";
/**
* Extra containing a list of {@link android.telephony.mbms.UriPathPair}s, used in the
* response to {@link #ACTION_FILE_DESCRIPTOR_REQUEST}. These are temp files that are meant
* to be used for new file downloads.
*/
public static final String EXTRA_FREE_URI_LIST = "android.telephony.mbms.extra.FREE_URI_LIST";
/**
* Extra containing a list of {@link android.telephony.mbms.UriPathPair}s, used in the
* response to {@link #ACTION_FILE_DESCRIPTOR_REQUEST}. These
* {@link android.telephony.mbms.UriPathPair}s contain {@code content://} URIs that provide
* access to previously paused downloads.
*/
public static final String EXTRA_PAUSED_URI_LIST =
"android.telephony.mbms.extra.PAUSED_URI_LIST";
/**
* Extra containing a string that points to the middleware's knowledge of where the temp file
* root for the app is. The path should be a canonical path as returned by
* {@link File#getCanonicalPath()}
*/
public static final String EXTRA_TEMP_FILE_ROOT =
"android.telephony.mbms.extra.TEMP_FILE_ROOT";
/**
* Extra containing a list of {@link Uri}s indicating temp files which the middleware is
* still using.
*/
public static final String EXTRA_TEMP_FILES_IN_USE =
"android.telephony.mbms.extra.TEMP_FILES_IN_USE";
/**
* Extra containing an instance of {@link android.telephony.mbms.ServiceInfo}, used by
* file-descriptor requests and cleanup requests to specify which service they want to
* request temp files or clean up temp files for, respectively.
*/
public static final String EXTRA_SERVICE_INFO =
"android.telephony.mbms.extra.SERVICE_INFO";
/**
* Extra containing a single {@link Uri} indicating the location of the successfully
* downloaded file. Set on the intent provided via
* {@link android.telephony.mbms.DownloadRequest.Builder#setAppIntent(Intent)}.
* Will always be set to a non-null value if {@link #EXTRA_RESULT} is set to
* {@link #RESULT_SUCCESSFUL}.
* TODO: Not systemapi.
*/
public static final String EXTRA_COMPLETED_FILE_URI =
"android.telephony.mbms.extra.COMPLETED_FILE_URI";
public static final int RESULT_SUCCESSFUL = 1;
public static final int RESULT_CANCELLED = 2;
public static final int RESULT_EXPIRED = 3;
public static final int RESULT_CANCELLED = 2;
public static final int RESULT_EXPIRED = 3;
public static final int RESULT_IO_ERROR = 4;
// TODO - more results!
/** @hide */
@@ -207,8 +99,16 @@ public class MbmsDownloadManager {
public static final int STATUS_PENDING_REPAIR = 3;
public static final int STATUS_PENDING_DOWNLOAD_WINDOW = 4;
private static AtomicBoolean sIsInitialized = new AtomicBoolean(false);
private final Context mContext;
private int mSubscriptionId = INVALID_SUBSCRIPTION_ID;
private IBinder.DeathRecipient mDeathRecipient = new IBinder.DeathRecipient() {
@Override
public void binderDied() {
sendErrorToApp(MbmsException.ERROR_MIDDLEWARE_LOST, "Received death notification");
}
};
private AtomicReference<IMbmsDownloadService> mService = new AtomicReference<>(null);
private final MbmsDownloadManagerCallback mCallback;
@@ -236,10 +136,21 @@ public class MbmsDownloadManager {
*
* Note that this call will bind a remote service and that may take a bit. The instance of
* {@link MbmsDownloadManager} that is returned will not be ready for use until
* {@link IMbmsDownloadManagerCallback#middlewareReady()} is called on the provided callback.
* {@link MbmsDownloadManagerCallback#middlewareReady()} is called on the provided callback.
* If you attempt to use the manager before it is ready, a {@link MbmsException} will be thrown.
*
* This also may throw an {@link IllegalArgumentException} or a {@link MbmsException}.
* This also may throw an {@link IllegalArgumentException} or an {@link IllegalStateException}.
*
* You may only have one instance of {@link MbmsDownloadManager} per UID. If you call this
* method while there is an active instance of {@link MbmsDownloadManager} in your process
* (in other words, one that has not had {@link #dispose()} called on it), this method will
* throw an {@link MbmsException}. If you call this method in a different process
* running under the same UID, an error will be indicated via
* {@link MbmsDownloadManagerCallback#error(int, String)}.
*
* Note that initialization may fail asynchronously. If you wish to try again after you
* receive such an asynchronous error, you must call dispose() on the instance of
* {@link MbmsDownloadManager} that you received before calling this method again.
*
* @param context The instance of {@link Context} to use
* @param listener A callback to get asynchronous error messages and file service updates.
@@ -249,8 +160,16 @@ public class MbmsDownloadManager {
public static MbmsDownloadManager create(Context context,
MbmsDownloadManagerCallback listener, int subscriptionId)
throws MbmsException {
if (!sIsInitialized.compareAndSet(false, true)) {
throw new MbmsException(MbmsException.InitializationErrors.ERROR_DUPLICATE_INITIALIZE);
}
MbmsDownloadManager mdm = new MbmsDownloadManager(context, listener, subscriptionId);
mdm.bindAndInitialize();
try {
mdm.bindAndInitialize();
} catch (MbmsException e) {
sIsInitialized.set(false);
throw e;
}
return mdm;
}
@@ -266,16 +185,27 @@ public class MbmsDownloadManager {
result = downloadService.initialize(mSubscriptionId, mCallback);
} catch (RemoteException e) {
Log.e(LOG_TAG, "Service died before initialization");
sIsInitialized.set(false);
return;
} catch (RuntimeException e) {
Log.e(LOG_TAG, "Runtime exception during initialization");
mCallback.error(
sendErrorToApp(
MbmsException.InitializationErrors.ERROR_UNABLE_TO_INITIALIZE,
e.toString());
sIsInitialized.set(false);
return;
}
if (result != MbmsException.SUCCESS) {
mCallback.error(result, "Error returned during initialization");
sendErrorToApp(result, "Error returned during initialization");
sIsInitialized.set(false);
return;
}
try {
downloadService.asBinder().linkToDeath(mDeathRecipient, 0);
} catch (RemoteException e) {
sendErrorToApp(MbmsException.ERROR_MIDDLEWARE_LOST,
"Middleware lost during initialization");
sIsInitialized.set(false);
return;
}
mService.set(downloadService);
@@ -283,6 +213,7 @@ public class MbmsDownloadManager {
@Override
public void onServiceDisconnected(ComponentName name) {
sIsInitialized.set(false);
mService.set(null);
}
});
@@ -292,7 +223,7 @@ public class MbmsDownloadManager {
* An inspection API to retrieve the list of available
* {@link android.telephony.mbms.FileServiceInfo}s currently being advertised.
* The results are returned asynchronously via a call to
* {@link IMbmsDownloadManagerCallback#fileServicesUpdated(List)}
* {@link MbmsDownloadManagerCallback#fileServicesUpdated(List)}
*
* The serviceClasses argument lets the app filter on types of programming and is opaque data
* negotiated beforehand between the app and the carrier.
@@ -306,7 +237,7 @@ public class MbmsDownloadManager {
* {@link MbmsException.StreamingErrors#ERROR_UNABLE_TO_START_SERVICE}
*
* @param classList A list of service classes which the app wishes to receive
* {@link IMbmsDownloadManagerCallback#fileServicesUpdated(List)} callbacks
* {@link MbmsDownloadManagerCallback#fileServicesUpdated(List)} callbacks
* about. Subsequent calls to this method will replace this list of service
* classes (i.e. the middleware will no longer send updates for services
* matching classes only in the old list).
@@ -336,14 +267,15 @@ public class MbmsDownloadManager {
* local instance of {@link android.content.SharedPreferences} and by the middleware.
*
* If this method is not called at least once before calling
* {@link #download(DownloadRequest, IDownloadCallback)}, the framework
* {@link #download(DownloadRequest, DownloadProgressListener)}, the framework
* will default to a directory formed by the concatenation of the app's files directory and
* {@link android.telephony.mbms.MbmsTempFileProvider#DEFAULT_TOP_LEVEL_TEMP_DIRECTORY}.
*
* Before calling this method, the app must cancel all of its pending
* {@link DownloadRequest}s via {@link #cancelDownload(DownloadRequest)}. If this is not done,
* an {@link MbmsException} will be thrown with code
* {@link MbmsException.DownloadErrors#ERROR_CANNOT_CHANGE_TEMP_FILE_ROOT}
* {@link MbmsException.DownloadErrors#ERROR_CANNOT_CHANGE_TEMP_FILE_ROOT} unless the
* provided directory is the same as what has been previously configured.
*
* The {@link File} supplied as a root temp file directory must already exist. If not, an
* {@link IllegalArgumentException} will be thrown.
@@ -383,6 +315,26 @@ public class MbmsDownloadManager {
prefs.edit().putString(MbmsTempFileProvider.TEMP_FILE_ROOT_PREF_NAME, filePath).apply();
}
/**
* Retrieves the currently configured temp file root directory. Returns the file that was
* configured via {@link #setTempFileRootDirectory(File)} or the default directory
* {@link #download(DownloadRequest, DownloadProgressListener)} was called without ever setting
* the temp file root. If neither method has been called since the last time the app's shared
* preferences were reset, returns null.
*
* @return A {@link File} pointing to the configured temp file directory, or null if not yet
* configured.
*/
public @Nullable File getTempFileRootDirectory() {
SharedPreferences prefs = mContext.getSharedPreferences(
MbmsTempFileProvider.TEMP_FILE_ROOT_PREF_FILE_NAME, 0);
String path = prefs.getString(MbmsTempFileProvider.TEMP_FILE_ROOT_PREF_NAME, null);
if (path != null) {
return new File(path);
}
return null;
}
/**
* Requests a download of a file that is available via multicast.
*
@@ -404,7 +356,7 @@ public class MbmsDownloadManager {
* @param progressListener Optional listener that will be provided progress updates
* if the app is running.
*/
public void download(DownloadRequest request, IDownloadProgressListener progressListener)
public void download(DownloadRequest request, DownloadProgressListener progressListener)
throws MbmsException {
IMbmsDownloadService downloadService = mService.get();
if (downloadService == null) {
@@ -434,7 +386,7 @@ public class MbmsDownloadManager {
/**
* Returns a list of pending {@link DownloadRequest}s that originated from this application.
* A pending request is one that was issued via
* {@link #download(DownloadRequest, IDownloadCallback)} but not cancelled through
* {@link #download(DownloadRequest, DownloadProgressListener)} but not cancelled through
* {@link #cancelDownload(DownloadRequest)}.
* @return A list, possibly empty, of {@link DownloadRequest}s
*/
@@ -550,43 +502,15 @@ public class MbmsDownloadManager {
return;
}
downloadService.dispose(mSubscriptionId);
mService.set(null);
} catch (RemoteException e) {
// Ignore
Log.i(LOG_TAG, "Remote exception while disposing of service");
} finally {
mService.set(null);
sIsInitialized.set(false);
}
}
/**
* Retrieves the {@link ComponentName} for the {@link android.content.BroadcastReceiver} that
* the various intents from the middleware should be targeted towards.
* @param uid The uid of the frontend app.
* @return The component name of the receiver that the middleware should send its intents to,
* or null if the app didn't declare it in the manifest.
*
* @hide
* future systemapi
*/
public static ComponentName getAppReceiverFromUid(Context context, int uid) {
String[] packageNames = context.getPackageManager().getPackagesForUid(uid);
if (packageNames == null) {
return null;
}
for (String packageName : packageNames) {
ComponentName candidate = new ComponentName(packageName,
MbmsDownloadReceiver.class.getCanonicalName());
Intent queryIntent = new Intent();
queryIntent.setComponent(candidate);
List<ResolveInfo> receivers =
context.getPackageManager().queryBroadcastReceivers(queryIntent, 0);
if (receivers != null && receivers.size() > 0) {
return candidate;
}
}
return null;
}
private void writeDownloadRequestToken(DownloadRequest request) {
File token = getDownloadRequestTokenPath(request);
if (!token.getParentFile().exists()) {
@@ -651,4 +575,12 @@ public class MbmsDownloadManager {
}
}
}
private void sendErrorToApp(int errorCode, String message) {
try {
mCallback.error(errorCode, message);
} catch (RemoteException e) {
// Ignore, should not happen locally.
}
}
}

View File

@@ -16,11 +16,17 @@
package android.telephony;
import android.annotation.SdkConstant;
import android.annotation.SystemApi;
import android.content.ComponentName;
import android.content.Context;
import android.content.ServiceConnection;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.RemoteException;
import android.telephony.mbms.InternalStreamingManagerCallback;
import android.telephony.mbms.InternalStreamingServiceCallback;
import android.telephony.mbms.MbmsException;
import android.telephony.mbms.MbmsStreamingManagerCallback;
import android.telephony.mbms.MbmsUtils;
@@ -31,6 +37,7 @@ import android.telephony.mbms.vendor.IMbmsStreamingService;
import android.util.Log;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
@@ -41,21 +48,42 @@ import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
*/
public class MbmsStreamingManager {
private static final String LOG_TAG = "MbmsStreamingManager";
/**
* Service action which must be handled by the middleware implementing the MBMS streaming
* interface.
* @hide
*/
@SystemApi
@SdkConstant(SdkConstant.SdkConstantType.SERVICE_ACTION)
public static final String MBMS_STREAMING_SERVICE_ACTION =
"android.telephony.action.EmbmsStreaming";
private static AtomicBoolean sIsInitialized = new AtomicBoolean(false);
private AtomicReference<IMbmsStreamingService> mService = new AtomicReference<>(null);
private MbmsStreamingManagerCallback mCallbackToApp;
private IBinder.DeathRecipient mDeathRecipient = new IBinder.DeathRecipient() {
@Override
public void binderDied() {
sIsInitialized.set(false);
sendErrorToApp(MbmsException.ERROR_MIDDLEWARE_LOST, "Received death notification");
}
};
private InternalStreamingManagerCallback mInternalCallback;
private final Context mContext;
private int mSubscriptionId = INVALID_SUBSCRIPTION_ID;
/** @hide */
private MbmsStreamingManager(Context context, MbmsStreamingManagerCallback callback,
int subscriptionId) {
int subscriptionId, Handler handler) {
mContext = context;
mCallbackToApp = callback;
mSubscriptionId = subscriptionId;
if (handler == null) {
handler = new Handler(Looper.getMainLooper());
}
mInternalCallback = new InternalStreamingManagerCallback(callback, handler);
}
/**
@@ -65,27 +93,62 @@ public class MbmsStreamingManager {
* main thread. This may throw an {@link MbmsException}, indicating errors that may happen
* during the initialization or binding process.
*
*
* You may only have one instance of {@link MbmsStreamingManager} per UID. If you call this
* method while there is an active instance of {@link MbmsStreamingManager} in your process
* (in other words, one that has not had {@link #dispose()} called on it), this method will
* throw an {@link MbmsException}. If you call this method in a different process
* running under the same UID, an error will be indicated via
* {@link MbmsStreamingManagerCallback#onError(int, String)}.
*
* Note that initialization may fail asynchronously. If you wish to try again after you
* receive such an asynchronous error, you must call dispose() on the instance of
* {@link MbmsStreamingManager} that you received before calling this method again.
*
* @param context The {@link Context} to use.
* @param callback A callback object on which you wish to receive results of asynchronous
* operations.
* @param subscriptionId The subscription ID to use.
* @param handler The handler you wish to receive callbacks on. If null, callbacks will be
* processed on the main looper (in other words, the looper returned from
* {@link Looper#getMainLooper()}).
*/
public static MbmsStreamingManager create(Context context,
MbmsStreamingManagerCallback callback, int subscriptionId)
MbmsStreamingManagerCallback callback, int subscriptionId, Handler handler)
throws MbmsException {
MbmsStreamingManager manager = new MbmsStreamingManager(context, callback, subscriptionId);
manager.bindAndInitialize();
if (!sIsInitialized.compareAndSet(false, true)) {
throw new MbmsException(MbmsException.InitializationErrors.ERROR_DUPLICATE_INITIALIZE);
}
MbmsStreamingManager manager = new MbmsStreamingManager(context, callback,
subscriptionId, handler);
try {
manager.bindAndInitialize();
} catch (MbmsException e) {
sIsInitialized.set(false);
throw e;
}
return manager;
}
/**
* Create a new MbmsStreamingManager using the system default data subscription ID.
* See {@link #create(Context, MbmsStreamingManagerCallback, int)}.
* See {@link #create(Context, MbmsStreamingManagerCallback, int, Handler)}.
*/
public static MbmsStreamingManager create(Context context,
MbmsStreamingManagerCallback callback, Handler handler)
throws MbmsException {
return create(context, callback, SubscriptionManager.getDefaultSubscriptionId(), handler);
}
/**
* Create a new MbmsStreamingManager using the system default data subscription ID and
* default {@link Handler}.
* See {@link #create(Context, MbmsStreamingManagerCallback, int, Handler)}.
*/
public static MbmsStreamingManager create(Context context,
MbmsStreamingManagerCallback callback)
throws MbmsException {
return create(context, callback, SubscriptionManager.getDefaultSubscriptionId());
return create(context, callback, SubscriptionManager.getDefaultSubscriptionId(), null);
}
/**
@@ -95,17 +158,19 @@ public class MbmsStreamingManager {
* May throw an {@link IllegalStateException}
*/
public void dispose() {
IMbmsStreamingService streamingService = mService.get();
if (streamingService == null) {
// Ignore and return, assume already disposed.
return;
}
try {
IMbmsStreamingService streamingService = mService.get();
if (streamingService == null) {
// Ignore and return, assume already disposed.
return;
}
streamingService.dispose(mSubscriptionId);
} catch (RemoteException e) {
// Ignore for now
} finally {
mService.set(null);
sIsInitialized.set(false);
}
mService.set(null);
}
/**
@@ -139,16 +204,17 @@ public class MbmsStreamingManager {
} catch (RemoteException e) {
Log.w(LOG_TAG, "Remote process died");
mService.set(null);
sIsInitialized.set(false);
throw new MbmsException(MbmsException.ERROR_MIDDLEWARE_LOST);
}
}
/**
* Starts streaming a requested service, reporting status to the indicated listener.
* Starts streaming a requested service, reporting status to the indicated callback.
* Returns an object used to control that stream. The stream may not be ready for consumption
* immediately upon return from this method -- wait until the streaming state has been
* reported via
* {@link android.telephony.mbms.StreamingServiceCallback#streamStateUpdated(int, int)}
* {@link android.telephony.mbms.StreamingServiceCallback#onStreamStateUpdated(int, int)}
*
* May throw an
* {@link MbmsException} containing any of the error codes in
@@ -158,34 +224,44 @@ public class MbmsStreamingManager {
*
* May also throw an {@link IllegalArgumentException} or an {@link IllegalStateException}
*
* Asynchronous errors through the listener include any of the errors in
* Asynchronous errors through the callback include any of the errors in
* {@link android.telephony.mbms.MbmsException.GeneralErrors} or
* {@link android.telephony.mbms.MbmsException.StreamingErrors}.
*
* @param serviceInfo The information about the service to stream.
* @param listener A listener that'll be called when something about the stream changes.
* @param callback A callback that'll be called when something about the stream changes.
* @param handler A handler that calls to {@code callback} should be called on. If null,
* defaults to the handler provided via
* {@link #create(Context, MbmsStreamingManagerCallback, int, Handler)}.
* @return An instance of {@link StreamingService} through which the stream can be controlled.
*/
public StreamingService startStreaming(StreamingServiceInfo serviceInfo,
StreamingServiceCallback listener) throws MbmsException {
StreamingServiceCallback callback, Handler handler) throws MbmsException {
IMbmsStreamingService streamingService = mService.get();
if (streamingService == null) {
throw new MbmsException(MbmsException.ERROR_MIDDLEWARE_NOT_BOUND);
}
InternalStreamingServiceCallback serviceCallback = new InternalStreamingServiceCallback(
callback, handler == null ? mInternalCallback.getHandler() : handler);
StreamingService serviceForApp = new StreamingService(
mSubscriptionId, streamingService, serviceInfo, serviceCallback);
try {
int returnCode = streamingService.startStreaming(
mSubscriptionId, serviceInfo.getServiceId(), listener);
mSubscriptionId, serviceInfo.getServiceId(), serviceCallback);
if (returnCode != MbmsException.SUCCESS) {
throw new MbmsException(returnCode);
}
} catch (RemoteException e) {
Log.w(LOG_TAG, "Remote process died");
mService.set(null);
sIsInitialized.set(false);
throw new MbmsException(MbmsException.ERROR_MIDDLEWARE_LOST);
}
return new StreamingService(mSubscriptionId, streamingService, serviceInfo, listener);
return serviceForApp;
}
private void bindAndInitialize() throws MbmsException {
@@ -197,19 +273,34 @@ public class MbmsStreamingManager {
IMbmsStreamingService.Stub.asInterface(service);
int result;
try {
result = streamingService.initialize(mCallbackToApp, mSubscriptionId);
result = streamingService.initialize(mInternalCallback,
mSubscriptionId);
} catch (RemoteException e) {
Log.e(LOG_TAG, "Service died before initialization");
sendErrorToApp(
MbmsException.InitializationErrors.ERROR_UNABLE_TO_INITIALIZE,
e.toString());
sIsInitialized.set(false);
return;
} catch (RuntimeException e) {
Log.e(LOG_TAG, "Runtime exception during initialization");
mCallbackToApp.error(
sendErrorToApp(
MbmsException.InitializationErrors.ERROR_UNABLE_TO_INITIALIZE,
e.toString());
sIsInitialized.set(false);
return;
}
if (result != MbmsException.SUCCESS) {
mCallbackToApp.error(result, "Error returned during initialization");
sendErrorToApp(result, "Error returned during initialization");
sIsInitialized.set(false);
return;
}
try {
streamingService.asBinder().linkToDeath(mDeathRecipient, 0);
} catch (RemoteException e) {
sendErrorToApp(MbmsException.ERROR_MIDDLEWARE_LOST,
"Middleware lost during initialization");
sIsInitialized.set(false);
return;
}
mService.set(streamingService);
@@ -217,8 +308,17 @@ public class MbmsStreamingManager {
@Override
public void onServiceDisconnected(ComponentName name) {
sIsInitialized.set(false);
mService.set(null);
}
});
}
private void sendErrorToApp(int errorCode, String message) {
try {
mInternalCallback.error(errorCode, message);
} catch (RemoteException e) {
// Ignore, should not happen locally.
}
}
}

View File

@@ -16,6 +16,8 @@
package android.telephony.mbms;
import android.os.RemoteException;
/**
* A optional listener class used by download clients to track progress.
* @hide
@@ -38,8 +40,9 @@ public class DownloadProgressListener extends IDownloadProgressListener.Stub {
* @param currentDecodedSize is the number of bytes that have been decoded.
* @param fullDecodedSize is the total number of bytes that make up the final decoded content.
*/
@Override
public void progress(DownloadRequest request, FileInfo fileInfo,
int currentDownloadSize, int fullDownloadSize,
int currentDecodedSize, int fullDecodedSize) {
int currentDecodedSize, int fullDecodedSize) throws RemoteException {
}
}

View File

@@ -25,6 +25,7 @@ import android.util.Log;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
@@ -77,12 +78,18 @@ public class DownloadRequest implements Parcelable {
private String appIntent;
private int version = CURRENT_VERSION;
/**
* Sets the service from which the download request to be built will download from.
* @param serviceInfo
* @return
*/
public Builder setServiceInfo(FileServiceInfo serviceInfo) {
fileServiceId = serviceInfo.getServiceId();
return this;
}
/**
* Set the service ID for the download request. For use by the middleware only.
* @hide
* TODO: systemapi
*/
@@ -91,11 +98,23 @@ public class DownloadRequest implements Parcelable {
return this;
}
/**
* Sets the source URI for the download request to be built.
* @param source
* @return
*/
public Builder setSource(Uri source) {
this.source = source;
return this;
}
/**
* Sets the destination URI for the download request to be built. The middleware should
* not set this directly.
* @param dest A URI obtained from {@link Uri#fromFile(File)}, denoting the requested
* final destination of the download.
* @return
*/
public Builder setDest(Uri dest) {
if (dest.toString().length() > MAX_DESTINATION_URI_SIZE) {
throw new IllegalArgumentException("Destination uri must not exceed length " +
@@ -105,11 +124,25 @@ public class DownloadRequest implements Parcelable {
return this;
}
public Builder setSubscriptionId(int sub) {
this.subscriptionId = sub;
/**
* Set the subscription ID on which the file(s) should be downloaded.
* @param subscriptionId
* @return
*/
public Builder setSubscriptionId(int subscriptionId) {
this.subscriptionId = subscriptionId;
return this;
}
/**
* Set the {@link Intent} that should be sent when the download completes or fails. This
* should be an intent with a explicit {@link android.content.ComponentName} targeted to a
* {@link android.content.BroadcastReceiver} in the app's package.
*
* The middleware should not use this method.
* @param intent
* @return
*/
public Builder setAppIntent(Intent intent) {
this.appIntent = intent.toUri(0);
if (this.appIntent.length() > MAX_APP_INTENT_SIZE) {
@@ -120,7 +153,12 @@ public class DownloadRequest implements Parcelable {
}
/**
* For use by middleware only
* For use by the middleware to set the byte array of opaque data. The opaque data
* includes information about the download request that is used by the client app and the
* manager code, but is irrelevant to the middleware.
* @param data A byte array, the contents of which should have been originally obtained
* from {@link DownloadRequest#getOpaqueData()}.
* @return
* TODO: systemapi
* @hide
*/
@@ -201,22 +239,40 @@ public class DownloadRequest implements Parcelable {
out.writeInt(version);
}
/**
* @return The ID of the file service to download from.
*/
public String getFileServiceId() {
return fileServiceId;
}
/**
* @return The source URI to download from
*/
public Uri getSourceUri() {
return sourceUri;
}
/**
* For use by the client app only.
* @return The URI of the final destination of the download.
*/
public Uri getDestinationUri() {
return destinationUri;
}
/**
* @return The subscription ID on which to perform MBMS operations.
*/
public int getSubscriptionId() {
return subscriptionId;
}
/**
* For internal use -- returns the intent to send to the app after download completion or
* failure.
* @hide
*/
public Intent getIntentForApp() {
try {
return Intent.parseUri(serializedResultIntentForApp, 0);
@@ -226,6 +282,10 @@ public class DownloadRequest implements Parcelable {
}
/**
* For use by the middleware only. The byte array returned from this method should be
* persisted and sent back to the app upon download completion or failure by passing it into
* {@link Builder#setOpaqueData(byte[])}.
* @return A byte array of opaque data to persist.
* @hide
* TODO: systemapi
*/

View File

@@ -38,16 +38,6 @@ public class FileInfo implements Parcelable {
*/
private final String mimeType;
/**
* The size of the file in bytes.
*/
private final long size;
/**
* The MD5 hash of the file.
*/
private final byte md5Hash[];
public static final Parcelable.Creator<FileInfo> CREATOR =
new Parcelable.Creator<FileInfo>() {
@Override
@@ -61,29 +51,24 @@ public class FileInfo implements Parcelable {
}
};
public FileInfo(Uri uri, String mimeType, long size, byte[] md5Hash) {
/**
* @hide
* TODO: systemapi
*/
public FileInfo(Uri uri, String mimeType) {
this.uri = uri;
this.mimeType = mimeType;
this.size = size;
this.md5Hash = md5Hash;
}
private FileInfo(Parcel in) {
uri = in.readParcelable(null);
mimeType = in.readString();
size = in.readLong();
int arraySize = in.readInt();
md5Hash = new byte[arraySize];
in.readByteArray(md5Hash);
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeParcelable(uri, flags);
dest.writeString(mimeType);
dest.writeLong(size);
dest.writeInt(md5Hash.length);
dest.writeByteArray(md5Hash);
}
@Override
@@ -98,12 +83,4 @@ public class FileInfo implements Parcelable {
public String getMimeType() {
return mimeType;
}
public long getSize() {
return size;
}
public byte[] getMd5Hash() {
return md5Hash;
}
}

View File

@@ -32,6 +32,7 @@ import java.util.Map;
public class FileServiceInfo extends ServiceInfo implements Parcelable {
private final List<FileInfo> files;
/** @hide TODO: systemapi */
public FileServiceInfo(Map<Locale, String> newNames, String newClassName,
List<Locale> newLocales, String newServiceId, Date start, Date end,
List<FileInfo> newFiles) {

View File

@@ -0,0 +1,72 @@
/*
* Copyright (C) 2017 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 android.telephony.mbms;
import android.os.Handler;
import android.os.RemoteException;
import android.telephony.mbms.IMbmsStreamingManagerCallback;
import android.telephony.mbms.MbmsStreamingManagerCallback;
import android.telephony.mbms.StreamingServiceInfo;
import java.util.List;
/** @hide */
public class InternalStreamingManagerCallback extends IMbmsStreamingManagerCallback.Stub {
private final Handler mHandler;
private final MbmsStreamingManagerCallback mAppCallback;
public InternalStreamingManagerCallback(MbmsStreamingManagerCallback appCallback,
Handler handler) {
mAppCallback = appCallback;
mHandler = handler;
}
@Override
public void error(int errorCode, String message) throws RemoteException {
mHandler.post(new Runnable() {
@Override
public void run() {
mAppCallback.onError(errorCode, message);
}
});
}
@Override
public void streamingServicesUpdated(List<StreamingServiceInfo> services)
throws RemoteException {
mHandler.post(new Runnable() {
@Override
public void run() {
mAppCallback.onStreamingServicesUpdated(services);
}
});
}
@Override
public void middlewareReady() throws RemoteException {
mHandler.post(new Runnable() {
@Override
public void run() {
mAppCallback.onMiddlewareReady();
}
});
}
public Handler getHandler() {
return mHandler;
}
}

View File

@@ -0,0 +1,81 @@
/*
* Copyright (C) 2017 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 android.telephony.mbms;
import android.os.Handler;
import android.os.RemoteException;
/** @hide */
public class InternalStreamingServiceCallback extends IStreamingServiceCallback.Stub {
private final StreamingServiceCallback mAppCallback;
private final Handler mHandler;
public InternalStreamingServiceCallback(StreamingServiceCallback appCallback, Handler handler) {
mAppCallback = appCallback;
mHandler = handler;
}
@Override
public void error(int errorCode, String message) throws RemoteException {
mHandler.post(new Runnable() {
@Override
public void run() {
mAppCallback.onError(errorCode, message);
}
});
}
@Override
public void streamStateUpdated(int state, int reason) throws RemoteException {
mHandler.post(new Runnable() {
@Override
public void run() {
mAppCallback.onStreamStateUpdated(state, reason);
}
});
}
@Override
public void mediaDescriptionUpdated() throws RemoteException {
mHandler.post(new Runnable() {
@Override
public void run() {
mAppCallback.onMediaDescriptionUpdated();
}
});
}
@Override
public void broadcastSignalStrengthUpdated(int signalStrength) throws RemoteException {
mHandler.post(new Runnable() {
@Override
public void run() {
mAppCallback.onBroadcastSignalStrengthUpdated(signalStrength);
}
});
}
@Override
public void streamMethodUpdated(int methodType) throws RemoteException {
mHandler.post(new Runnable() {
@Override
public void run() {
mAppCallback.onStreamMethodUpdated(methodType);
}
});
}
}

View File

@@ -16,6 +16,9 @@
package android.telephony.mbms;
import android.os.RemoteException;
import android.telephony.MbmsDownloadManager;
import java.util.List;
/**
@@ -24,12 +27,8 @@ import java.util.List;
*/
public class MbmsDownloadManagerCallback extends IMbmsDownloadManagerCallback.Stub {
public final static int ERROR_CARRIER_NOT_SUPPORTED = 1;
public final static int ERROR_UNABLE_TO_INITIALIZE = 2;
public final static int ERROR_UNABLE_TO_ALLOCATE_MEMORY = 3;
public void error(int errorCode, String message) {
@Override
public void error(int errorCode, String message) throws RemoteException {
// default implementation empty
}
@@ -45,7 +44,8 @@ public class MbmsDownloadManagerCallback extends IMbmsDownloadManagerCallback.St
* @param services a List of FileServiceInfos
*
*/
public void fileServicesUpdated(List<FileServiceInfo> services) {
@Override
public void fileServicesUpdated(List<FileServiceInfo> services) throws RemoteException {
// default implementation empty
}
@@ -58,7 +58,7 @@ public class MbmsDownloadManagerCallback extends IMbmsDownloadManagerCallback.St
* or {@link MbmsException.GeneralErrors#ERROR_MIDDLEWARE_NOT_YET_READY}
*/
@Override
public void middlewareReady() {
public void middlewareReady() throws RemoteException {
// default implementation empty
}
}

View File

@@ -25,6 +25,7 @@ import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import android.telephony.MbmsDownloadManager;
import android.telephony.mbms.vendor.VendorIntents;
import android.util.Log;
import java.io.File;
@@ -56,9 +57,9 @@ public class MbmsDownloadReceiver extends BroadcastReceiver {
/**
* Indicates that the intent sent had an invalid action. This will be the result if
* {@link Intent#getAction()} returns anything other than
* {@link MbmsDownloadManager#ACTION_DOWNLOAD_RESULT_INTERNAL},
* {@link MbmsDownloadManager#ACTION_FILE_DESCRIPTOR_REQUEST}, or
* {@link MbmsDownloadManager#ACTION_CLEANUP}.
* {@link VendorIntents#ACTION_DOWNLOAD_RESULT_INTERNAL},
* {@link VendorIntents#ACTION_FILE_DESCRIPTOR_REQUEST}, or
* {@link VendorIntents#ACTION_CLEANUP}.
* This is a fatal result code and no result extras should be expected.
*/
public static final int RESULT_INVALID_ACTION = 1;
@@ -70,7 +71,7 @@ public class MbmsDownloadReceiver extends BroadcastReceiver {
public static final int RESULT_MALFORMED_INTENT = 2;
/**
* Indicates that the supplied value for {@link MbmsDownloadManager#EXTRA_TEMP_FILE_ROOT}
* Indicates that the supplied value for {@link VendorIntents#EXTRA_TEMP_FILE_ROOT}
* does not match what the app has stored.
* This is a fatal result code and no result extras should be expected.
*/
@@ -104,18 +105,18 @@ public class MbmsDownloadReceiver extends BroadcastReceiver {
setResultCode(RESULT_MALFORMED_INTENT);
return;
}
if (!Objects.equals(intent.getStringExtra(MbmsDownloadManager.EXTRA_TEMP_FILE_ROOT),
if (!Objects.equals(intent.getStringExtra(VendorIntents.EXTRA_TEMP_FILE_ROOT),
MbmsTempFileProvider.getEmbmsTempFileDir(context).getPath())) {
setResultCode(RESULT_BAD_TEMP_FILE_ROOT);
return;
}
if (MbmsDownloadManager.ACTION_DOWNLOAD_RESULT_INTERNAL.equals(intent.getAction())) {
if (VendorIntents.ACTION_DOWNLOAD_RESULT_INTERNAL.equals(intent.getAction())) {
moveDownloadedFile(context, intent);
cleanupPostMove(context, intent);
} else if (MbmsDownloadManager.ACTION_FILE_DESCRIPTOR_REQUEST.equals(intent.getAction())) {
} else if (VendorIntents.ACTION_FILE_DESCRIPTOR_REQUEST.equals(intent.getAction())) {
generateTempFiles(context, intent);
} else if (MbmsDownloadManager.ACTION_CLEANUP.equals(intent.getAction())) {
} else if (VendorIntents.ACTION_CLEANUP.equals(intent.getAction())) {
cleanupTempFiles(context, intent);
} else {
setResultCode(RESULT_INVALID_ACTION);
@@ -123,16 +124,16 @@ public class MbmsDownloadReceiver extends BroadcastReceiver {
}
private boolean verifyIntentContents(Context context, Intent intent) {
if (MbmsDownloadManager.ACTION_DOWNLOAD_RESULT_INTERNAL.equals(intent.getAction())) {
if (VendorIntents.ACTION_DOWNLOAD_RESULT_INTERNAL.equals(intent.getAction())) {
if (!intent.hasExtra(MbmsDownloadManager.EXTRA_RESULT)) {
Log.w(LOG_TAG, "Download result did not include a result code. Ignoring.");
return false;
}
if (!intent.hasExtra(MbmsDownloadManager.EXTRA_REQUEST)) {
if (!intent.hasExtra(VendorIntents.EXTRA_REQUEST)) {
Log.w(LOG_TAG, "Download result did not include the associated request. Ignoring.");
return false;
}
if (!intent.hasExtra(MbmsDownloadManager.EXTRA_TEMP_FILE_ROOT)) {
if (!intent.hasExtra(VendorIntents.EXTRA_TEMP_FILE_ROOT)) {
Log.w(LOG_TAG, "Download result did not include the temp file root. Ignoring.");
return false;
}
@@ -141,12 +142,12 @@ public class MbmsDownloadReceiver extends BroadcastReceiver {
"Ignoring.");
return false;
}
if (!intent.hasExtra(MbmsDownloadManager.EXTRA_FINAL_URI)) {
if (!intent.hasExtra(VendorIntents.EXTRA_FINAL_URI)) {
Log.w(LOG_TAG, "Download result did not include the path to the final " +
"temp file. Ignoring.");
return false;
}
DownloadRequest request = intent.getParcelableExtra(MbmsDownloadManager.EXTRA_REQUEST);
DownloadRequest request = intent.getParcelableExtra(VendorIntents.EXTRA_REQUEST);
String expectedTokenFileName = request.getHash() + DOWNLOAD_TOKEN_SUFFIX;
File expectedTokenFile = new File(
MbmsUtils.getEmbmsTempFileDirForService(context, request.getFileServiceId()),
@@ -156,27 +157,27 @@ public class MbmsDownloadReceiver extends BroadcastReceiver {
"Expected " + expectedTokenFile);
return false;
}
} else if (MbmsDownloadManager.ACTION_FILE_DESCRIPTOR_REQUEST.equals(intent.getAction())) {
if (!intent.hasExtra(MbmsDownloadManager.EXTRA_SERVICE_INFO)) {
} else if (VendorIntents.ACTION_FILE_DESCRIPTOR_REQUEST.equals(intent.getAction())) {
if (!intent.hasExtra(VendorIntents.EXTRA_SERVICE_INFO)) {
Log.w(LOG_TAG, "Temp file request did not include the associated service info." +
" Ignoring.");
return false;
}
if (!intent.hasExtra(MbmsDownloadManager.EXTRA_TEMP_FILE_ROOT)) {
if (!intent.hasExtra(VendorIntents.EXTRA_TEMP_FILE_ROOT)) {
Log.w(LOG_TAG, "Download result did not include the temp file root. Ignoring.");
return false;
}
} else if (MbmsDownloadManager.ACTION_CLEANUP.equals(intent.getAction())) {
if (!intent.hasExtra(MbmsDownloadManager.EXTRA_SERVICE_INFO)) {
} else if (VendorIntents.ACTION_CLEANUP.equals(intent.getAction())) {
if (!intent.hasExtra(VendorIntents.EXTRA_SERVICE_INFO)) {
Log.w(LOG_TAG, "Cleanup request did not include the associated service info." +
" Ignoring.");
return false;
}
if (!intent.hasExtra(MbmsDownloadManager.EXTRA_TEMP_FILE_ROOT)) {
if (!intent.hasExtra(VendorIntents.EXTRA_TEMP_FILE_ROOT)) {
Log.w(LOG_TAG, "Cleanup request did not include the temp file root. Ignoring.");
return false;
}
if (!intent.hasExtra(MbmsDownloadManager.EXTRA_TEMP_FILES_IN_USE)) {
if (!intent.hasExtra(VendorIntents.EXTRA_TEMP_FILES_IN_USE)) {
Log.w(LOG_TAG, "Cleanup request did not include the list of temp files in use. " +
"Ignoring.");
return false;
@@ -186,7 +187,7 @@ public class MbmsDownloadReceiver extends BroadcastReceiver {
}
private void moveDownloadedFile(Context context, Intent intent) {
DownloadRequest request = intent.getParcelableExtra(MbmsDownloadManager.EXTRA_REQUEST);
DownloadRequest request = intent.getParcelableExtra(VendorIntents.EXTRA_REQUEST);
Intent intentForApp = request.getIntentForApp();
int result = intent.getIntExtra(MbmsDownloadManager.EXTRA_RESULT,
@@ -200,7 +201,7 @@ public class MbmsDownloadReceiver extends BroadcastReceiver {
}
Uri destinationUri = request.getDestinationUri();
Uri finalTempFile = intent.getParcelableExtra(MbmsDownloadManager.EXTRA_FINAL_URI);
Uri finalTempFile = intent.getParcelableExtra(VendorIntents.EXTRA_FINAL_URI);
if (!verifyTempFilePath(context, request.getFileServiceId(), finalTempFile)) {
Log.w(LOG_TAG, "Download result specified an invalid temp file " + finalTempFile);
setResultCode(RESULT_DOWNLOAD_FINALIZATION_ERROR);
@@ -225,13 +226,13 @@ public class MbmsDownloadReceiver extends BroadcastReceiver {
}
private void cleanupPostMove(Context context, Intent intent) {
DownloadRequest request = intent.getParcelableExtra(MbmsDownloadManager.EXTRA_REQUEST);
DownloadRequest request = intent.getParcelableExtra(VendorIntents.EXTRA_REQUEST);
if (request == null) {
Log.w(LOG_TAG, "Intent does not include a DownloadRequest. Ignoring.");
return;
}
List<Uri> tempFiles = intent.getParcelableExtra(MbmsDownloadManager.EXTRA_TEMP_LIST);
List<Uri> tempFiles = intent.getParcelableExtra(VendorIntents.EXTRA_TEMP_LIST);
if (tempFiles == null) {
return;
}
@@ -246,15 +247,15 @@ public class MbmsDownloadReceiver extends BroadcastReceiver {
private void generateTempFiles(Context context, Intent intent) {
FileServiceInfo serviceInfo =
intent.getParcelableExtra(MbmsDownloadManager.EXTRA_SERVICE_INFO);
intent.getParcelableExtra(VendorIntents.EXTRA_SERVICE_INFO);
if (serviceInfo == null) {
Log.w(LOG_TAG, "Temp file request did not include the associated service info. " +
"Ignoring.");
setResultCode(RESULT_MALFORMED_INTENT);
return;
}
int fdCount = intent.getIntExtra(MbmsDownloadManager.EXTRA_FD_COUNT, 0);
List<Uri> pausedList = intent.getParcelableExtra(MbmsDownloadManager.EXTRA_PAUSED_LIST);
int fdCount = intent.getIntExtra(VendorIntents.EXTRA_FD_COUNT, 0);
List<Uri> pausedList = intent.getParcelableExtra(VendorIntents.EXTRA_PAUSED_LIST);
if (fdCount == 0 && (pausedList == null || pausedList.size() == 0)) {
Log.i(LOG_TAG, "No temp files actually requested. Ending.");
@@ -269,8 +270,8 @@ public class MbmsDownloadReceiver extends BroadcastReceiver {
generateUrisForPausedFiles(context, serviceInfo, pausedList);
Bundle result = new Bundle();
result.putParcelableArrayList(MbmsDownloadManager.EXTRA_FREE_URI_LIST, freshTempFiles);
result.putParcelableArrayList(MbmsDownloadManager.EXTRA_PAUSED_URI_LIST, pausedFiles);
result.putParcelableArrayList(VendorIntents.EXTRA_FREE_URI_LIST, freshTempFiles);
result.putParcelableArrayList(VendorIntents.EXTRA_PAUSED_URI_LIST, pausedFiles);
setResultCode(RESULT_OK);
setResultExtras(result);
}
@@ -353,11 +354,11 @@ public class MbmsDownloadReceiver extends BroadcastReceiver {
private void cleanupTempFiles(Context context, Intent intent) {
FileServiceInfo serviceInfo =
intent.getParcelableExtra(MbmsDownloadManager.EXTRA_SERVICE_INFO);
intent.getParcelableExtra(VendorIntents.EXTRA_SERVICE_INFO);
File tempFileDir = MbmsUtils.getEmbmsTempFileDirForService(context,
serviceInfo.getServiceId());
final List<Uri> filesInUse =
intent.getParcelableArrayListExtra(MbmsDownloadManager.EXTRA_TEMP_FILES_IN_USE);
intent.getParcelableArrayListExtra(VendorIntents.EXTRA_TEMP_FILES_IN_USE);
File[] filesToDelete = tempFileDir.listFiles(new FileFilter() {
@Override
public boolean accept(File file) {

View File

@@ -31,7 +31,7 @@ public class MbmsException extends Exception {
/**
* Indicates that the app attempted to perform an operation on an instance of
* {@link android.telephony.MbmsDownloadManager} or
* TODO: link android.telephony.MbmsDownloadManager or
* {@link android.telephony.MbmsStreamingManager} without being bound to the middleware.
*/
public static final int ERROR_MIDDLEWARE_NOT_BOUND = 2;
@@ -44,10 +44,11 @@ public class MbmsException extends Exception {
* middleware. They are applicable to both streaming and file-download use-cases.
*/
public static class InitializationErrors {
private InitializationErrors() {}
/**
* Indicates that the app tried to create more than one instance each of
* {@link android.telephony.MbmsStreamingManager} or
* {@link android.telephony.MbmsDownloadManager}.
* TODO: link android.telephony.MbmsDownloadManager
*/
public static final int ERROR_DUPLICATE_INITIALIZE = 101;
/** Indicates that the app is not authorized to access media via MBMS.*/
@@ -61,10 +62,11 @@ public class MbmsException extends Exception {
* streaming and file-download.
*/
public static class GeneralErrors {
private GeneralErrors() {}
/**
* Indicates that the app attempted to perform an operation before receiving notification
* that the middleware is ready via {@link MbmsStreamingManagerCallback#middlewareReady()}
* or {@link MbmsDownloadManagerCallback#middlewareReady()}.
* that the middleware is ready via {@link MbmsStreamingManagerCallback#onMiddlewareReady()}
* or TODO: link MbmsDownloadManagerCallback#middlewareReady
*/
public static final int ERROR_MIDDLEWARE_NOT_YET_READY = 201;
/**
@@ -97,6 +99,7 @@ public class MbmsException extends Exception {
* Indicates the errors that are applicable only to the streaming use-case
*/
public static class StreamingErrors {
private StreamingErrors() {}
/** Indicates that the middleware cannot start a stream due to too many ongoing streams */
public static final int ERROR_CONCURRENT_SERVICE_LIMIT_REACHED = 301;
@@ -105,7 +108,8 @@ public class MbmsException extends Exception {
/**
* Indicates that the app called
* {@link android.telephony.MbmsStreamingManager#startStreaming(StreamingServiceInfo, StreamingServiceCallback)}
* {@link android.telephony.MbmsStreamingManager#startStreaming(
* StreamingServiceInfo, StreamingServiceCallback, android.os.Handler)}
* more than once for the same {@link StreamingServiceInfo}.
*/
public static final int ERROR_DUPLICATE_START_STREAM = 303;
@@ -113,6 +117,8 @@ public class MbmsException extends Exception {
/**
* Indicates the errors that are applicable only to the file-download use-case
* TODO: unhide
* @hide
*/
public static class DownloadErrors {
/**
@@ -127,9 +133,7 @@ public class MbmsException extends Exception {
private final int mErrorCode;
/** @hide
* TODO: future systemapi
*/
/** @hide */
public MbmsException(int errorCode) {
super();
mErrorCode = errorCode;

View File

@@ -16,20 +16,26 @@
package android.telephony.mbms;
import android.content.Context;
import android.os.RemoteException;
import android.telephony.MbmsStreamingManager;
import java.util.List;
/**
* A Parcelable class with Cell-Broadcast service information.
* A callback class that is used to receive information from the middleware on MBMS streaming
* services. An instance of this object should be passed into
* {@link android.telephony.MbmsStreamingManager#create(Context, MbmsStreamingManagerCallback)}.
* @hide
*/
public class MbmsStreamingManagerCallback extends IMbmsStreamingManagerCallback.Stub {
public final static int ERROR_CARRIER_NOT_SUPPORTED = 1;
public final static int ERROR_UNABLE_TO_INITIALIZE = 2;
public final static int ERROR_UNABLE_TO_ALLOCATE_MEMORY = 3;
public void error(int errorCode, String message) {
public class MbmsStreamingManagerCallback {
/**
* Called by the middleware when it has detected an error condition. The possible error codes
* are listed in {@link MbmsException}.
* @param errorCode The error code.
* @param message A human-readable message generated by the middleware for debugging purposes.
*/
public void onError(int errorCode, String message) {
// default implementation empty
}
@@ -45,7 +51,7 @@ public class MbmsStreamingManagerCallback extends IMbmsStreamingManagerCallback.
* @param services a List of StreamingServiceInfos
*
*/
public void streamingServicesUpdated(List<StreamingServiceInfo> services) {
public void onStreamingServicesUpdated(List<StreamingServiceInfo> services) {
// default implementation empty
}
@@ -57,8 +63,7 @@ public class MbmsStreamingManagerCallback extends IMbmsStreamingManagerCallback.
* being thrown with error code {@link MbmsException#ERROR_MIDDLEWARE_NOT_BOUND}
* or {@link MbmsException.GeneralErrors#ERROR_MIDDLEWARE_NOT_YET_READY}
*/
@Override
public void middlewareReady() {
public void onMiddlewareReady() {
// default implementation empty
}
}

View File

@@ -30,43 +30,22 @@ import java.util.Objects;
import java.util.Set;
/**
* A Parcelable class with Cell-Broadcast service information.
* Describes a cell-broadcast service. This class should not be instantiated directly -- use
* {@link StreamingServiceInfo} or FileServiceInfo TODO: add link once that's unhidden
* @hide
*/
public class ServiceInfo implements Parcelable {
public class ServiceInfo {
// arbitrary limit on the number of locale -> name pairs we support
final static int MAP_LIMIT = 1000;
/**
* User displayable names listed by language. Unmodifiable.
*/
final Map<Locale, String> names;
/**
* The class name for this service - used to catagorize and filter
*/
final String className;
/**
* The languages available for this service content
*/
final List<Locale> locales;
/**
* The carrier's identifier for the service.
*/
final String serviceId;
/**
* The start time indicating when this service will be available.
*/
final Date sessionStartTime;
/**
* The end time indicating when this sesion stops being available.
*/
final Date sessionEndTime;
private final Map<Locale, String> names;
private final String className;
private final List<Locale> locales;
private final String serviceId;
private final Date sessionStartTime;
private final Date sessionEndTime;
/** @hide */
public ServiceInfo(Map<Locale, String> newNames, String newClassName, List<Locale> newLocales,
String newServiceId, Date start, Date end) {
if (newNames == null || newNames.isEmpty() || TextUtils.isEmpty(newClassName)
@@ -89,20 +68,8 @@ public class ServiceInfo implements Parcelable {
sessionEndTime = (Date)end.clone();
}
public static final Parcelable.Creator<FileServiceInfo> CREATOR =
new Parcelable.Creator<FileServiceInfo>() {
@Override
public FileServiceInfo createFromParcel(Parcel source) {
return new FileServiceInfo(source);
}
@Override
public FileServiceInfo[] newArray(int size) {
return new FileServiceInfo[size];
}
};
ServiceInfo(Parcel in) {
/** @hide */
protected ServiceInfo(Parcel in) {
int mapCount = in.readInt();
if (mapCount > MAP_LIMIT || mapCount < 0) {
throw new RuntimeException("bad map length" + mapCount);
@@ -128,7 +95,7 @@ public class ServiceInfo implements Parcelable {
sessionEndTime = (java.util.Date) in.readSerializable();
}
@Override
/** @hide */
public void writeToParcel(Parcel dest, int flags) {
Set<Locale> keySet = names.keySet();
dest.writeInt(keySet.size());
@@ -147,31 +114,44 @@ public class ServiceInfo implements Parcelable {
dest.writeSerializable(sessionEndTime);
}
@Override
public int describeContents() {
return 0;
}
/**
* User displayable names listed by language. Do not modify the map returned from this method.
*/
public Map<Locale, String> getNames() {
return names;
}
/**
* The class name for this service - used to categorize and filter
*/
public String getClassName() {
return className;
}
/**
* The languages available for this service content
*/
public List<Locale> getLocales() {
return locales;
}
/**
* The carrier's identifier for the service.
*/
public String getServiceId() {
return serviceId;
}
/**
* The start time indicating when this service will be available.
*/
public Date getSessionStartTime() {
return sessionStartTime;
}
/**
* The end time indicating when this session stops being available.
*/
public Date getSessionEndTime() {
return sessionEndTime;
}

View File

@@ -26,13 +26,17 @@ import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* Class used to represent a single MBMS stream. After a stream has been started with
* {@link android.telephony.MbmsStreamingManager#startStreaming(StreamingServiceInfo,
* StreamingServiceCallback, android.os.Handler)},
* this class is used to hold information about the stream and control it.
* @hide
*/
public class StreamingService {
private static final String LOG_TAG = "MbmsStreamingService";
/**
* The state of a stream, reported via {@link StreamingServiceCallback#streamStateUpdated}
* The state of a stream, reported via {@link StreamingServiceCallback#onStreamStateUpdated}
* @hide
*/
@Retention(RetentionPolicy.SOURCE)
@@ -44,7 +48,7 @@ public class StreamingService {
/**
* The reason for a stream state change, reported via
* {@link StreamingServiceCallback#streamStateUpdated}
* {@link StreamingServiceCallback#onStreamStateUpdated}
* @hide
*/
@Retention(RetentionPolicy.SOURCE)
@@ -60,7 +64,8 @@ public class StreamingService {
/**
* State changed due to a call to {@link #stopStreaming()} or
* {@link android.telephony.MbmsStreamingManager#startStreaming(StreamingServiceInfo, StreamingServiceCallback)}
* {@link android.telephony.MbmsStreamingManager#startStreaming(StreamingServiceInfo,
* StreamingServiceCallback, android.os.Handler)}
*/
public static final int REASON_BY_USER_REQUEST = 1;
@@ -87,27 +92,28 @@ public class StreamingService {
/**
* State changed due to the device leaving the where this stream is being broadcast.
*/
public static final int REASON_LEFT_MBMS_BROADCAST_AREA = 5;
public static final int REASON_LEFT_MBMS_BROADCAST_AREA = 6;
/**
* The method of transmission currently used for a stream,
* reported via {@link StreamingServiceCallback#streamMethodUpdated}
* reported via {@link StreamingServiceCallback#onStreamMethodUpdated}
*/
public final static int BROADCAST_METHOD = 1;
public final static int UNICAST_METHOD = 2;
private final int mSubscriptionId;
private final StreamingServiceInfo mServiceInfo;
private final IStreamingServiceCallback mCallback;
private final InternalStreamingServiceCallback mCallback;
private IMbmsStreamingService mService;
/**
* @hide
*/
public StreamingService(int subscriptionId,
IMbmsStreamingService service,
StreamingServiceInfo streamingServiceInfo,
IStreamingServiceCallback callback) {
InternalStreamingServiceCallback callback) {
mSubscriptionId = subscriptionId;
mService = service;
mServiceInfo = streamingServiceInfo;

View File

@@ -17,10 +17,11 @@
package android.telephony.mbms;
/**
* A Callback class for use when the application is actively streaming content.
* A callback class for use when the application is actively streaming content. The middleware
* will provide updates on the status of the stream via this callback.
* @hide
*/
public class StreamingServiceCallback extends IStreamingServiceCallback.Stub {
public class StreamingServiceCallback {
/**
* Indicates broadcast signal strength is not available for this service.
@@ -31,8 +32,13 @@ public class StreamingServiceCallback extends IStreamingServiceCallback.Stub {
*/
public static final int SIGNAL_STRENGTH_UNAVAILABLE = -1;
@Override
public void error(int errorCode, String message) {
/**
* Called by the middleware when it has detected an error condition in this stream. The
* possible error codes are listed in {@link MbmsException}.
* @param errorCode The error code.
* @param message A human-readable message generated by the middleware for debugging purposes.
*/
public void onError(int errorCode, String message) {
// default implementation empty
}
@@ -42,8 +48,7 @@ public class StreamingServiceCallback extends IStreamingServiceCallback.Stub {
* See {@link StreamingService#STATE_STOPPED}, {@link StreamingService#STATE_STARTED}
* and {@link StreamingService#STATE_STALLED}.
*/
@Override
public void streamStateUpdated(@StreamingService.StreamingState int state,
public void onStreamStateUpdated(@StreamingService.StreamingState int state,
@StreamingService.StreamingStateChangeReason int reason) {
// default implementation empty
}
@@ -58,8 +63,7 @@ public class StreamingServiceCallback extends IStreamingServiceCallback.Stub {
* This may be called when a looping stream hits the end or
* when parameters have changed to account for time drift.
*/
@Override
public void mediaDescriptionUpdated() {
public void onMediaDescriptionUpdated() {
// default implementation empty
}
@@ -73,8 +77,7 @@ public class StreamingServiceCallback extends IStreamingServiceCallback.Stub {
* {@link #SIGNAL_STRENGTH_UNAVAILABLE} if broadcast is not available
* for this service due to timing, geography or popularity.
*/
@Override
public void broadcastSignalStrengthUpdated(int signalStrength) {
public void onBroadcastSignalStrengthUpdated(int signalStrength) {
// default implementation empty
}
@@ -94,8 +97,7 @@ public class StreamingServiceCallback extends IStreamingServiceCallback.Stub {
* See {@link StreamingService#BROADCAST_METHOD} and
* {@link StreamingService#UNICAST_METHOD}
*/
@Override
public void streamMethodUpdated(int methodType) {
public void onStreamMethodUpdated(int methodType) {
// default implementation empty
}
}

View File

@@ -16,6 +16,7 @@
package android.telephony.mbms;
import android.annotation.SystemApi;
import android.os.Parcel;
import android.os.Parcelable;
@@ -25,15 +26,25 @@ import java.util.Locale;
import java.util.Map;
/**
* A Parcelable class Cell-Broadcast media stream information.
* This may not have any more info than ServiceInfo, but kept for completeness.
* Describes a single MBMS streaming service.
* @hide
*/
public class StreamingServiceInfo extends ServiceInfo implements Parcelable {
public final class StreamingServiceInfo extends ServiceInfo implements Parcelable {
public StreamingServiceInfo(Map<Locale, String> newNames, String newClassName,
List<Locale> newLocales, String newServiceId, Date start, Date end) {
super(newNames, newClassName, newLocales, newServiceId, start, end);
/**
* @param names User displayable names listed by language.
* @param className The class name for this service - used by frontend apps to categorize and
* filter.
* @param locales The languages available for this service content.
* @param serviceId The carrier's identifier for the service.
* @param start The start time indicating when this service will be available.
* @param end The end time indicating when this session stops being available.
* @hide
*/
@SystemApi
public StreamingServiceInfo(Map<Locale, String> names, String className,
List<Locale> locales, String serviceId, Date start, Date end) {
super(names, className, locales, serviceId, start, end);
}
public static final Parcelable.Creator<StreamingServiceInfo> CREATOR =
@@ -49,7 +60,7 @@ public class StreamingServiceInfo extends ServiceInfo implements Parcelable {
}
};
StreamingServiceInfo(Parcel in) {
private StreamingServiceInfo(Parcel in) {
super(in);
}

View File

@@ -18,10 +18,13 @@ package android.telephony.mbms.vendor;
import android.annotation.NonNull;
import android.os.RemoteException;
import android.telephony.mbms.DownloadProgressListener;
import android.telephony.mbms.DownloadRequest;
import android.telephony.mbms.FileInfo;
import android.telephony.mbms.FileServiceInfo;
import android.telephony.mbms.IDownloadProgressListener;
import android.telephony.mbms.IMbmsDownloadManagerCallback;
import android.telephony.mbms.MbmsDownloadManagerCallback;
import android.telephony.mbms.MbmsException;
import java.util.List;
@@ -44,15 +47,39 @@ public class MbmsDownloadServiceBase extends IMbmsDownloadService.Stub {
* or {@link MbmsException#SUCCESS}. Non-successful error codes will be passed to the app via
* {@link IMbmsDownloadManagerCallback#error(int, String)}.
*
* @param listener The callback to use to communicate with the app.
* @param callback The callback to use to communicate with the app.
* @param subscriptionId The subscription ID to use.
*/
@Override
public int initialize(int subscriptionId,
IMbmsDownloadManagerCallback listener) throws RemoteException {
public int initialize(int subscriptionId, MbmsDownloadManagerCallback callback)
throws RemoteException {
return 0;
}
/**
* Actual AIDL implementation -- hides the callback AIDL from the API.
* @hide
*/
@Override
public final int initialize(int subscriptionId,
final IMbmsDownloadManagerCallback callback) throws RemoteException {
return initialize(subscriptionId, new MbmsDownloadManagerCallback() {
@Override
public void error(int errorCode, String message) throws RemoteException {
callback.error(errorCode, message);
}
@Override
public void fileServicesUpdated(List<FileServiceInfo> services) throws RemoteException {
callback.fileServicesUpdated(services);
}
@Override
public void middlewareReady() throws RemoteException {
callback.middlewareReady();
}
});
}
/**
* Registers serviceClasses of interest with the appName/subId key.
* Starts async fetching data on streaming services of matching classes to be reported
@@ -107,19 +134,36 @@ public class MbmsDownloadServiceBase extends IMbmsDownloadService.Stub {
* @param downloadRequest An object describing the set of files to be downloaded.
* @param listener A listener through which the middleware can provide progress updates to
* the app while both are still running.
* @return TODO: enumerate possible return values
* @return Any error from {@link android.telephony.mbms.MbmsException.GeneralErrors}
* or {@link MbmsException#SUCCESS}
*/
public int download(DownloadRequest downloadRequest, DownloadProgressListener listener) {
return 0;
}
/**
* Actual AIDL implementation -- hides the callback AIDL from the API.
* @hide
*/
@Override
public int download(DownloadRequest downloadRequest, IDownloadProgressListener listener)
public final int download(DownloadRequest downloadRequest, IDownloadProgressListener listener)
throws RemoteException {
return 0;
return download(downloadRequest, new DownloadProgressListener() {
@Override
public void progress(DownloadRequest request, FileInfo fileInfo, int
currentDownloadSize, int fullDownloadSize, int currentDecodedSize, int
fullDecodedSize) throws RemoteException {
listener.progress(request, fileInfo, currentDownloadSize, fullDownloadSize,
currentDecodedSize, fullDecodedSize);
}
});
}
/**
* Returns a list of pending {@link DownloadRequest}s that originated from the calling
* application, identified by its uid. A pending request is one that was issued via
* {@link #download(DownloadRequest, IDownloadCallback)} but not cancelled through
* {@link #download(DownloadRequest, IDownloadProgressListener)} but not cancelled through
* {@link #cancelDownload(DownloadRequest)}.
* The middleware must return a non-null result synchronously or throw an exception
* inheriting from {@link RuntimeException}.

View File

@@ -17,23 +17,29 @@
package android.telephony.mbms.vendor;
import android.annotation.Nullable;
import android.annotation.SystemApi;
import android.net.Uri;
import android.os.Binder;
import android.os.RemoteException;
import android.telephony.mbms.IMbmsStreamingManagerCallback;
import android.telephony.mbms.IStreamingServiceCallback;
import android.telephony.mbms.MbmsException;
import android.telephony.mbms.MbmsStreamingManagerCallback;
import android.telephony.mbms.StreamingService;
import android.telephony.mbms.StreamingServiceCallback;
import android.telephony.mbms.StreamingServiceInfo;
import java.util.List;
/**
* @hide
* TODO: future systemapi
*/
//@SystemApi
public class MbmsStreamingServiceBase extends IMbmsStreamingService.Stub {
/**
* Initialize streaming service for this app and subId, registering the listener.
*
* May throw an {@link IllegalArgumentException} or an {@link IllegalStateException}, which
* May throw an {@link IllegalArgumentException} or a {@link SecurityException}, which
* will be intercepted and passed to the app as
* {@link android.telephony.mbms.MbmsException.InitializationErrors#ERROR_UNABLE_TO_INITIALIZE}
*
@@ -41,15 +47,60 @@ public class MbmsStreamingServiceBase extends IMbmsStreamingService.Stub {
* or {@link MbmsException#SUCCESS}. Non-successful error codes will be passed to the app via
* {@link IMbmsStreamingManagerCallback#error(int, String)}.
*
* @param listener The callback to use to communicate with the app.
* @param callback The callback to use to communicate with the app.
* @param subscriptionId The subscription ID to use.
*/
@Override
public int initialize(IMbmsStreamingManagerCallback listener, int subscriptionId)
public int initialize(MbmsStreamingManagerCallback callback, int subscriptionId)
throws RemoteException {
return 0;
}
/**
* Actual AIDL implementation that hides the callback AIDL from the middleware.
* @hide
*/
@Override
public final int initialize(final IMbmsStreamingManagerCallback callback,
final int subscriptionId) throws RemoteException {
final int uid = Binder.getCallingUid();
callback.asBinder().linkToDeath(new DeathRecipient() {
@Override
public void binderDied() {
onAppCallbackDied(uid, subscriptionId);
}
}, 0);
return initialize(new MbmsStreamingManagerCallback() {
@Override
public void onError(int errorCode, String message) {
try {
callback.error(errorCode, message);
} catch (RemoteException e) {
onAppCallbackDied(uid, subscriptionId);
}
}
@Override
public void onStreamingServicesUpdated(List<StreamingServiceInfo> services) {
try {
callback.streamingServicesUpdated(services);
} catch (RemoteException e) {
onAppCallbackDied(uid, subscriptionId);
}
}
@Override
public void onMiddlewareReady() {
try {
callback.middlewareReady();
} catch (RemoteException e) {
onAppCallbackDied(uid, subscriptionId);
}
}
}, subscriptionId);
}
/**
* Registers serviceClasses of interest with the appName/subId key.
* Starts async fetching data on streaming services of matching classes to be reported
@@ -82,13 +133,77 @@ public class MbmsStreamingServiceBase extends IMbmsStreamingService.Stub {
*
* @param subscriptionId The subscription id to use.
* @param serviceId The ID of the streaming service that the app has requested.
* @param listener The listener object on which the app wishes to receive updates.
* @param callback The callback object on which the app wishes to receive updates.
* @return Any error in {@link android.telephony.mbms.MbmsException.GeneralErrors}
*/
public int startStreaming(int subscriptionId, String serviceId,
StreamingServiceCallback callback) throws RemoteException {
return 0;
}
/**
* Actual AIDL implementation of startStreaming that hides the callback AIDL from the
* middleware.
* @hide
*/
@Override
public int startStreaming(int subscriptionId, String serviceId,
IStreamingServiceCallback listener) throws RemoteException {
return 0;
IStreamingServiceCallback callback) throws RemoteException {
final int uid = Binder.getCallingUid();
callback.asBinder().linkToDeath(new DeathRecipient() {
@Override
public void binderDied() {
onAppCallbackDied(uid, subscriptionId);
}
}, 0);
return startStreaming(subscriptionId, serviceId, new StreamingServiceCallback() {
@Override
public void onError(int errorCode, String message) {
try {
callback.error(errorCode, message);
} catch (RemoteException e) {
onAppCallbackDied(uid, subscriptionId);
}
}
@Override
public void onStreamStateUpdated(@StreamingService.StreamingState int state,
@StreamingService.StreamingStateChangeReason int reason) {
try {
callback.streamStateUpdated(state, reason);
} catch (RemoteException e) {
onAppCallbackDied(uid, subscriptionId);
}
}
@Override
public void onMediaDescriptionUpdated() {
try {
callback.mediaDescriptionUpdated();
} catch (RemoteException e) {
onAppCallbackDied(uid, subscriptionId);
}
}
@Override
public void onBroadcastSignalStrengthUpdated(int signalStrength) {
try {
callback.broadcastSignalStrengthUpdated(signalStrength);
} catch (RemoteException e) {
onAppCallbackDied(uid, subscriptionId);
}
}
@Override
public void onStreamMethodUpdated(int methodType) {
try {
callback.streamMethodUpdated(methodType);
} catch (RemoteException e) {
onAppCallbackDied(uid, subscriptionId);
}
}
});
}
/**
@@ -153,4 +268,12 @@ public class MbmsStreamingServiceBase extends IMbmsStreamingService.Stub {
@Override
public void dispose(int subscriptionId) throws RemoteException {
}
/**
* Indicates that the app identified by the given UID and subscription ID has died.
* @param uid the UID of the app, as returned by {@link Binder#getCallingUid()}.
* @param subscriptionId The subscription ID the app is using.
*/
public void onAppCallbackDied(int uid, int subscriptionId) {
}
}

View File

@@ -0,0 +1,166 @@
/*
* Copyright (C) 2017 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 android.telephony.mbms.vendor;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.telephony.mbms.DownloadRequest;
import android.telephony.mbms.MbmsDownloadReceiver;
import java.io.File;
import java.util.List;
/**
* @hide
* TODO: future systemapi
*/
public class VendorIntents {
/**
* The MBMS middleware should send this when a download of single file has completed or
* failed. Mandatory extras are
* {@link android.telephony.MbmsDownloadManager#EXTRA_RESULT}
* {@link android.telephony.MbmsDownloadManager#EXTRA_FILE_INFO}
* {@link #EXTRA_REQUEST}
* {@link #EXTRA_TEMP_LIST}
* {@link #EXTRA_FINAL_URI}
*/
public static final String ACTION_DOWNLOAD_RESULT_INTERNAL =
"android.telephony.mbms.action.DOWNLOAD_RESULT_INTERNAL";
/**
* The MBMS middleware should send this when it wishes to request {@code content://} URIs to
* serve as temp files for downloads or when it wishes to resume paused downloads. Mandatory
* extras are
* {@link #EXTRA_REQUEST}
*
* Optional extras are
* {@link #EXTRA_FD_COUNT} (0 if not present)
* {@link #EXTRA_PAUSED_LIST} (empty if not present)
*/
public static final String ACTION_FILE_DESCRIPTOR_REQUEST =
"android.telephony.mbms.action.FILE_DESCRIPTOR_REQUEST";
/**
* The MBMS middleware should send this when it wishes to clean up temp files in the app's
* filesystem. Mandatory extras are:
* {@link #EXTRA_TEMP_FILES_IN_USE}
*/
public static final String ACTION_CLEANUP =
"android.telephony.mbms.action.CLEANUP";
/**
* Extra containing a {@link List} of {@link Uri}s that were used as temp files for this
* completed file. These {@link Uri}s should have scheme {@code file://}, and the temp
* files will be deleted upon receipt of the intent.
* May be null.
*/
public static final String EXTRA_TEMP_LIST = "android.telephony.mbms.extra.TEMP_LIST";
/**
* Extra containing an integer indicating the number of temp files requested.
*/
public static final String EXTRA_FD_COUNT = "android.telephony.mbms.extra.FD_COUNT";
/**
* Extra containing a list of {@link Uri}s that the middleware is requesting access to via
* {@link #ACTION_FILE_DESCRIPTOR_REQUEST} in order to resume downloading. These {@link Uri}s
* should have scheme {@code file://}.
*/
public static final String EXTRA_PAUSED_LIST = "android.telephony.mbms.extra.PAUSED_LIST";
/**
* Extra containing a list of {@link android.telephony.mbms.UriPathPair}s, used in the
* response to {@link #ACTION_FILE_DESCRIPTOR_REQUEST}. These are temp files that are meant
* to be used for new file downloads.
*/
public static final String EXTRA_FREE_URI_LIST = "android.telephony.mbms.extra.FREE_URI_LIST";
/**
* Extra containing a list of {@link android.telephony.mbms.UriPathPair}s, used in the
* response to {@link #ACTION_FILE_DESCRIPTOR_REQUEST}. These
* {@link android.telephony.mbms.UriPathPair}s contain {@code content://} URIs that provide
* access to previously paused downloads.
*/
public static final String EXTRA_PAUSED_URI_LIST =
"android.telephony.mbms.extra.PAUSED_URI_LIST";
/**
* Extra containing a string that points to the middleware's knowledge of where the temp file
* root for the app is. The path should be a canonical path as returned by
* {@link File#getCanonicalPath()}
*/
public static final String EXTRA_TEMP_FILE_ROOT =
"android.telephony.mbms.extra.TEMP_FILE_ROOT";
/**
* Extra containing a list of {@link Uri}s indicating temp files which the middleware is
* still using.
*/
public static final String EXTRA_TEMP_FILES_IN_USE =
"android.telephony.mbms.extra.TEMP_FILES_IN_USE";
/**
* Extra containing the {@link DownloadRequest} for which the download result or file
* descriptor request is for. Must not be null.
*/
public static final String EXTRA_REQUEST = "android.telephony.mbms.extra.REQUEST";
/**
* Extra containing a single {@link Uri} indicating the path to the temp file in which the
* decoded downloaded file resides. Must not be null.
*/
public static final String EXTRA_FINAL_URI = "android.telephony.mbms.extra.FINAL_URI";
/**
* Extra containing an instance of {@link android.telephony.mbms.ServiceInfo}, used by
* file-descriptor requests and cleanup requests to specify which service they want to
* request temp files or clean up temp files for, respectively.
*/
public static final String EXTRA_SERVICE_INFO =
"android.telephony.mbms.extra.SERVICE_INFO";
/**
* Retrieves the {@link ComponentName} for the {@link android.content.BroadcastReceiver} that
* the various intents from the middleware should be targeted towards.
* @param uid The uid of the frontend app.
* @return The component name of the receiver that the middleware should send its intents to,
* or null if the app didn't declare it in the manifest.
*/
public static ComponentName getAppReceiverFromUid(Context context, int uid) {
String[] packageNames = context.getPackageManager().getPackagesForUid(uid);
if (packageNames == null) {
return null;
}
for (String packageName : packageNames) {
ComponentName candidate = new ComponentName(packageName,
MbmsDownloadReceiver.class.getCanonicalName());
Intent queryIntent = new Intent();
queryIntent.setComponent(candidate);
List<ResolveInfo> receivers =
context.getPackageManager().queryBroadcastReceivers(queryIntent, 0);
if (receivers != null && receivers.size() > 0) {
return candidate;
}
}
return null;
}
}