зеркало из https://github.com/mozilla/gecko-dev.git
93 строки
3.3 KiB
C++
93 строки
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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//#define LOG_NDEBUG 0
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#define LOG_TAG "IMediaResourceManagerService"
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#include <stdint.h>
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#include <sys/types.h>
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#include <binder/Parcel.h>
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#include <utils/Log.h>
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#include "IMediaResourceManagerService.h"
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namespace android {
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/**
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* Function ID used between BpMediaResourceManagerService and
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* BnMediaResourceManagerService by using Binder ipc.
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*/
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enum {
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REQUEST_MEDIA_RESOURCE = IBinder::FIRST_CALL_TRANSACTION,
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DEREGISTER_CLIENT
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};
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class BpMediaResourceManagerService : public BpInterface<IMediaResourceManagerService>
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{
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public:
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BpMediaResourceManagerService(const sp<IBinder>& impl)
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: BpInterface<IMediaResourceManagerService>(impl)
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{
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}
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virtual status_t requestMediaResource(const sp<IMediaResourceManagerClient>& client, int resourceType, bool willWait)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IMediaResourceManagerService::getInterfaceDescriptor());
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data.writeStrongBinder(client->asBinder());
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data.writeInt32(resourceType);
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data.writeInt32(willWait ? 1 : 0);
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remote()->transact(REQUEST_MEDIA_RESOURCE, data, &reply);
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return reply.readInt32();
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}
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virtual status_t cancelClient(const sp<IMediaResourceManagerClient>& client, int resourceType)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IMediaResourceManagerService::getInterfaceDescriptor());
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data.writeStrongBinder(client->asBinder());
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data.writeInt32(resourceType);
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remote()->transact(DEREGISTER_CLIENT, data, &reply);
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return reply.readInt32();
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}
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};
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IMPLEMENT_META_INTERFACE(MediaResourceManagerService, "android.media.IMediaResourceManagerService");
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// ----------------------------------------------------------------------
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status_t BnMediaResourceManagerService::onTransact(
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uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
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{
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switch(code) {
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case REQUEST_MEDIA_RESOURCE: {
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CHECK_INTERFACE(IMediaResourceManagerService, data, reply);
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sp<IMediaResourceManagerClient> client = interface_cast<IMediaResourceManagerClient>(data.readStrongBinder());
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int resourceType = data.readInt32();
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bool willWait = (data.readInt32() == 1);
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status_t result = requestMediaResource(client, resourceType, willWait);
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reply->writeInt32(result);
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return NO_ERROR;
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} break;
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case DEREGISTER_CLIENT: {
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CHECK_INTERFACE(IMediaResourceManagerService, data, reply);
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sp<IMediaResourceManagerClient> client = interface_cast<IMediaResourceManagerClient>(data.readStrongBinder());
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int resourceType = data.readInt32();
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status_t result = cancelClient(client, resourceType);
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reply->writeInt32(result);
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return NO_ERROR;
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} break;
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default:
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return BBinder::onTransact(code, data, reply, flags);
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}
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}
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// ----------------------------------------------------------------------------
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}; // namespace android
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