1 files changed, 118 insertions, 0 deletions
diff --git a/dom/media/webrtc/jsapi/PeerConnectionCtx.h b/dom/media/webrtc/jsapi/PeerConnectionCtx.h
new file mode 100644
index 0000000000..098b39e1fe
--- /dev/null
+++ b/dom/media/webrtc/jsapi/PeerConnectionCtx.h
@@ -0,0 +1,118 @@
+/* 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>
+#include <map>
+
+#include "WebrtcGlobalChild.h"
+
+#include "mozilla/Attributes.h"
+#include "mozilla/StaticPtr.h"
+#include "PeerConnectionImpl.h"
+#include "mozIGeckoMediaPluginService.h"
+#include "nsIRunnable.h"
+#include "MediaTransportHandler.h"  // Mostly for IceLogPromise
+
+namespace mozilla {
+class PeerConnectionCtxObserver;
+
+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,
+                                   nsISerialEventTarget* 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();
+
+  static void UpdateNetworkState(bool online);
+
+  RefPtr<MediaTransportHandler> GetTransportHandler() const {
+    return mTransportHandler;
+  }
+
+  // Make these classes friend so that they can access mPeerconnections.
+  friend class PeerConnectionImpl;
+  friend class PeerConnectionWrapper;
+  friend class mozilla::dom::WebrtcGlobalInformation;
+
+  // 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;
+
+  const std::map<const std::string, PeerConnectionImpl*>& GetPeerConnections();
+
+ 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),
+        mTransportHandler(
+            MediaTransportHandler::Create(GetMainThreadSerialEventTarget())) {}
+  // 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*);
+
+  nsCOMPtr<nsITimer> mTelemetryTimer;
+
+ private:
+  void DeliverStats(UniquePtr<dom::RTCStatsReportInternal>&& aReport);
+
+  std::map<nsString, UniquePtr<dom::RTCStatsReportInternal>> mLastReports;
+  // 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;
+
+  // Not initted, just for ICE logging stuff
+  RefPtr<MediaTransportHandler> mTransportHandler;
+
+  static PeerConnectionCtx* gInstance;
+
+ public:
+  static nsIThread* gMainThread;
+  static mozilla::StaticRefPtr<mozilla::PeerConnectionCtxObserver>
+      gPeerConnectionCtxObserver;
+};
+
+}  // namespace mozilla
+
+#endif