tenfourfox/media/webrtc/signaling/src/peerconnection/PeerConnectionCtx.h
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

113 lines
3.4 KiB
C++

/* 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 peerconnectionctx_h___h__
#define peerconnectionctx_h___h__
#include <string>
#if !defined(MOZILLA_EXTERNAL_LINKAGE)
#include "WebrtcGlobalChild.h"
#endif
#include "mozilla/Attributes.h"
#include "mozilla/StaticPtr.h"
#include "PeerConnectionImpl.h"
#include "mozIGeckoMediaPluginService.h"
#include "nsIRunnable.h"
namespace mozilla {
class PeerConnectionCtxShutdown;
namespace dom {
class WebrtcGlobalInformation;
}
// A class to hold some of the singleton objects we need:
// * The global PeerConnectionImpl table and its associated lock.
// * Stats report objects for PCs that are gone
// * GMP related state
class PeerConnectionCtx {
public:
static nsresult InitializeGlobal(nsIThread *mainThread, nsIEventTarget *stsThread);
static PeerConnectionCtx* GetInstance();
static bool isActive();
static void Destroy();
bool isReady() {
// If mGMPService is not set, we aren't using GMP.
if (mGMPService) {
return mGMPReady;
}
return true;
}
void queueJSEPOperation(nsIRunnable* aJSEPOperation);
void onGMPReady();
bool gmpHasH264();
// Make these classes friend so that they can access mPeerconnections.
friend class PeerConnectionImpl;
friend class PeerConnectionWrapper;
friend class mozilla::dom::WebrtcGlobalInformation;
#if !defined(MOZILLA_EXTERNAL_LINKAGE)
// WebrtcGlobalInformation uses this; we put it here so we don't need to
// create another shutdown observer class.
mozilla::dom::Sequence<mozilla::dom::RTCStatsReportInternal>
mStatsForClosedPeerConnections;
#endif
const std::map<const std::string, PeerConnectionImpl *>& mGetPeerConnections();
private:
// We could make these available only via accessors but it's too much trouble.
std::map<const std::string, PeerConnectionImpl *> mPeerConnections;
PeerConnectionCtx() : mGMPReady(false) {}
// This is a singleton, so don't copy construct it, etc.
PeerConnectionCtx(const PeerConnectionCtx& other) = delete;
void operator=(const PeerConnectionCtx& other) = delete;
virtual ~PeerConnectionCtx();
nsresult Initialize();
nsresult Cleanup();
void initGMP();
static void
EverySecondTelemetryCallback_m(nsITimer* timer, void *);
#if !defined(MOZILLA_EXTERNAL_LINKAGE)
// Telemetry Peer conection counter
int mConnectionCounter;
nsCOMPtr<nsITimer> mTelemetryTimer;
public:
// TODO(jib): If we ever enable move semantics on std::map...
//std::map<nsString,nsAutoPtr<mozilla::dom::RTCStatsReportInternal>> mLastReports;
nsTArray<nsAutoPtr<mozilla::dom::RTCStatsReportInternal>> mLastReports;
private:
#endif
// We cannot form offers/answers properly until the Gecko Media Plugin stuff
// has been initted, which is a complicated mess of thread dispatches,
// including sync dispatches to main. So, we need to be able to queue up
// offer creation (or SetRemote, when we're the answerer) until all of this is
// ready to go, since blocking on this init is just begging for deadlock.
nsCOMPtr<mozIGeckoMediaPluginService> mGMPService;
bool mGMPReady;
nsTArray<nsCOMPtr<nsIRunnable>> mQueuedJSEPOperations;
static PeerConnectionCtx *gInstance;
public:
static nsIThread *gMainThread;
static mozilla::StaticRefPtr<mozilla::PeerConnectionCtxShutdown> gPeerConnectionCtxShutdown;
};
} // namespace mozilla
#endif