gecko-dev/dom/media/gmp/GMPServiceChild.h

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/* -*- 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/. */
#ifndef GMPServiceChild_h_
#define GMPServiceChild_h_
#include "GMPService.h"
#include "MediaResult.h"
#include "base/process.h"
#include "mozilla/ipc/Transport.h"
#include "mozilla/gmp/PGMPServiceChild.h"
#include "nsRefPtrHashtable.h"
#include "mozilla/dom/ContentChild.h"
namespace mozilla {
namespace gmp {
class GMPContentParent;
class GMPServiceChild;
class GeckoMediaPluginServiceChild : public GeckoMediaPluginService {
friend class GMPServiceChild;
public:
static already_AddRefed<GeckoMediaPluginServiceChild> GetSingleton();
NS_IMETHOD HasPluginForAPI(const nsACString& aAPI, nsTArray<nsCString>* aTags,
bool* aRetVal) override;
NS_IMETHOD GetNodeId(const nsAString& aOrigin,
const nsAString& aTopLevelOrigin,
const nsAString& aGMPName,
UniquePtr<GetNodeIdCallback>&& aCallback) override;
NS_DECL_NSIOBSERVER
void SetServiceChild(UniquePtr<GMPServiceChild>&& aServiceChild);
void RemoveGMPContentParent(GMPContentParent* aGMPContentParent);
static void UpdateGMPCapabilities(
nsTArray<mozilla::dom::GMPCapabilityData>&& aCapabilities);
void BeginShutdown();
protected:
void InitializePlugins(AbstractThread*) override {
// Nothing to do here.
}
virtual RefPtr<GetGMPContentParentPromise> GetContentParent(
GMPCrashHelper* aHelper, const nsACString& aNodeIdString,
const nsCString& aAPI, const nsTArray<nsCString>& aTags) override;
RefPtr<GetGMPContentParentPromise> GetContentParent(
GMPCrashHelper* aHelper, const NodeId& aNodeId, const nsCString& aAPI,
const nsTArray<nsCString>& aTags) override;
private:
friend class OpenPGMPServiceChild;
typedef MozPromise<GMPServiceChild*, MediaResult, /* IsExclusive = */ true>
GetServiceChildPromise;
RefPtr<GetServiceChildPromise> GetServiceChild();
nsTArray<MozPromiseHolder<GetServiceChildPromise>> mGetServiceChildPromises;
UniquePtr<GMPServiceChild> mServiceChild;
};
class GMPServiceChild : public PGMPServiceChild {
public:
explicit GMPServiceChild();
virtual ~GMPServiceChild();
already_AddRefed<GMPContentParent> GetBridgedGMPContentParent(
ProcessId aOtherPid, ipc::Endpoint<PGMPContentParent>&& endpoint);
void RemoveGMPContentParent(GMPContentParent* aGMPContentParent);
void GetAlreadyBridgedTo(nsTArray<ProcessId>& aAlreadyBridgedTo);
static bool Create(Endpoint<PGMPServiceChild>&& aGMPService);
ipc::IPCResult RecvBeginShutdown() override;
bool HaveContentParents() const;
private:
nsRefPtrHashtable<nsUint64HashKey, GMPContentParent> mContentParents;
};
} // namespace gmp
} // namespace mozilla
#endif // GMPServiceChild_h_