The Tor Browser: content/media/omx/mediaresourcemanager/IMediaResourceManagerService.cpp@8bccb770b82d

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim:set ts=2 sw=2 sts=2 et cindent: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     5  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 //#define LOG_NDEBUG 0

     8 #define LOG_TAG "IMediaResourceManagerService"

    10 #include <stdint.h>

    11 #include <sys/types.h>

    13 #include <binder/Parcel.h>

    14 #include <utils/Log.h>

    16 #include "IMediaResourceManagerService.h"

    18 namespace android {

    20 /**

    21  * Function ID used between BpMediaResourceManagerService and

    22  *  BnMediaResourceManagerService by using Binder ipc.

    23  */

    24 enum {

    25     REQUEST_MEDIA_RESOURCE = IBinder::FIRST_CALL_TRANSACTION,

    26     DEREGISTER_CLIENT

    27 };

    29 class BpMediaResourceManagerService : public BpInterface<IMediaResourceManagerService>

    30 {

    31 public:

    32     BpMediaResourceManagerService(const sp<IBinder>& impl)

    33         : BpInterface<IMediaResourceManagerService>(impl)

    34     {

    35     }

    37     virtual void requestMediaResource(const sp<IMediaResourceManagerClient>& client, int resourceType)

    38     {

    39         Parcel data, reply;

    40         data.writeInterfaceToken(IMediaResourceManagerService::getInterfaceDescriptor());

    41         data.writeStrongBinder(client->asBinder());

    42         data.writeInt32(resourceType);

    43         remote()->transact(REQUEST_MEDIA_RESOURCE, data, &reply);

    44     }

    46     virtual status_t cancelClient(const sp<IMediaResourceManagerClient>& client)

    47     {

    48         Parcel data, reply;

    49         data.writeInterfaceToken(IMediaResourceManagerService::getInterfaceDescriptor());

    50         data.writeStrongBinder(client->asBinder());

    51         remote()->transact(DEREGISTER_CLIENT, data, &reply);

    52         return reply.readInt32();

    53     }

    54 };

    56 IMPLEMENT_META_INTERFACE(MediaResourceManagerService, "android.media.IMediaResourceManagerService");

    58 // ----------------------------------------------------------------------

    60 status_t BnMediaResourceManagerService::onTransact(

    61     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)

    62 {

    63     switch(code) {

    65         case REQUEST_MEDIA_RESOURCE: {

    66             CHECK_INTERFACE(IMediaResourceManagerService, data, reply);

    67             sp<IMediaResourceManagerClient> client = interface_cast<IMediaResourceManagerClient>(data.readStrongBinder());

    68             int resourceType = data.readInt32();

    69             requestMediaResource(client, resourceType);

    70             return NO_ERROR;

    71         } break;

    72         case DEREGISTER_CLIENT: {

    73             CHECK_INTERFACE(IMediaResourceManagerService, data, reply);

    74             sp<IMediaResourceManagerClient> client = interface_cast<IMediaResourceManagerClient>(data.readStrongBinder());

    75             cancelClient(client);

    76             reply->writeInt32(NO_ERROR);

    77             return NO_ERROR;

    78         } break;

    79         default:

    80             return BBinder::onTransact(code, data, reply, flags);

    81     }

    82 }

    84 // ----------------------------------------------------------------------------

    86 }; // namespace android

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