gecko-dev/dom/media/systemservices/MediaSystemResourceManagerParent.cpp
2016-12-13 16:46:33 -08:00

83 lines
2.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/Unused.h"
#include "mozilla/layers/PImageBridgeParent.h"
#include "MediaSystemResourceManagerParent.h"
namespace mozilla {
namespace media {
using namespace ipc;
MediaSystemResourceManagerParent::MediaSystemResourceManagerParent()
: mDestroyed(false)
{
mMediaSystemResourceService = MediaSystemResourceService::Get();
}
MediaSystemResourceManagerParent::~MediaSystemResourceManagerParent()
{
MOZ_ASSERT(mDestroyed);
}
mozilla::ipc::IPCResult
MediaSystemResourceManagerParent::RecvAcquire(const uint32_t& aId,
const MediaSystemResourceType& aResourceType,
const bool& aWillWait)
{
MediaSystemResourceRequest* request = mResourceRequests.Get(aId);
MOZ_ASSERT(!request);
if (request) {
// Send fail response
mozilla::Unused << SendResponse(aId, false /* fail */);
return IPC_OK();
}
request = new MediaSystemResourceRequest(aId, aResourceType);
mResourceRequests.Put(aId, request);
mMediaSystemResourceService->Acquire(this, aId, aResourceType, aWillWait);
return IPC_OK();
}
mozilla::ipc::IPCResult
MediaSystemResourceManagerParent::RecvRelease(const uint32_t& aId)
{
MediaSystemResourceRequest* request = mResourceRequests.Get(aId);
if (!request) {
return IPC_OK();
}
mMediaSystemResourceService->ReleaseResource(this, aId, request->mResourceType);
mResourceRequests.Remove(aId);
return IPC_OK();
}
mozilla::ipc::IPCResult
MediaSystemResourceManagerParent::RecvRemoveResourceManager()
{
IProtocol* mgr = Manager();
if (!PMediaSystemResourceManagerParent::Send__delete__(this)) {
return IPC_FAIL_NO_REASON(mgr);
}
return IPC_OK();
}
void
MediaSystemResourceManagerParent::ActorDestroy(ActorDestroyReason aReason)
{
MOZ_ASSERT(!mDestroyed);
// Release all resource requests of the MediaSystemResourceManagerParent.
// Clears all remaining pointers to this object.
mMediaSystemResourceService->ReleaseResource(this);
mDestroyed = true;
}
} // namespace media
} // namespace mozilla