1 files changed, 114 insertions, 0 deletions
diff --git a/dom/media/webrtc/MediaEngineTabVideoSource.h b/dom/media/webrtc/MediaEngineTabVideoSource.h
new file mode 100644
index 000000000..d11bd7765
--- /dev/null
+++ b/dom/media/webrtc/MediaEngineTabVideoSource.h
@@ -0,0 +1,114 @@
+/* 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 "nsIDOMEventListener.h"
+#include "MediaEngine.h"
+#include "ImageContainer.h"
+#include "nsITimer.h"
+#include "mozilla/Monitor.h"
+#include "mozilla/UniquePtr.h"
+#include "nsITabSource.h"
+
+namespace mozilla {
+
+class MediaEngineTabVideoSource : public MediaEngineVideoSource, nsIDOMEventListener, nsITimerCallback {
+  public:
+    NS_DECL_THREADSAFE_ISUPPORTS
+    NS_DECL_NSIDOMEVENTLISTENER
+    NS_DECL_NSITIMERCALLBACK
+    MediaEngineTabVideoSource();
+
+    void GetName(nsAString_internal&) const override;
+    void GetUUID(nsACString_internal&) const override;
+
+    bool GetScary() const override {
+      return true;
+    }
+
+    nsresult Allocate(const dom::MediaTrackConstraints &,
+                      const mozilla::MediaEnginePrefs&,
+                      const nsString& aDeviceId,
+                      const nsACString& aOrigin,
+                      AllocationHandle** aOutHandle,
+                      const char** aOutBadConstraint) override;
+    nsresult Deallocate(AllocationHandle* aHandle) override;
+    nsresult Start(mozilla::SourceMediaStream*, mozilla::TrackID, const mozilla::PrincipalHandle&) override;
+    void SetDirectListeners(bool aHasDirectListeners) override {};
+    void NotifyPull(mozilla::MediaStreamGraph*, mozilla::SourceMediaStream*, mozilla::TrackID, mozilla::StreamTime, const mozilla::PrincipalHandle& aPrincipalHandle) override;
+    nsresult Stop(mozilla::SourceMediaStream*, mozilla::TrackID) override;
+    nsresult Restart(AllocationHandle* aHandle,
+                     const dom::MediaTrackConstraints& aConstraints,
+                     const mozilla::MediaEnginePrefs& aPrefs,
+                     const nsString& aDeviceId,
+                     const char** aOutBadConstraint) override;
+    bool IsFake() override;
+    dom::MediaSourceEnum GetMediaSource() const override {
+      return dom::MediaSourceEnum::Browser;
+    }
+    uint32_t GetBestFitnessDistance(
+      const nsTArray<const NormalizedConstraintSet*>& aConstraintSets,
+      const nsString& aDeviceId) const override
+    {
+      return 0;
+    }
+
+    nsresult TakePhoto(MediaEnginePhotoCallback* aCallback) override
+    {
+      return NS_ERROR_NOT_IMPLEMENTED;
+    }
+
+    void Draw();
+
+    class StartRunnable : public Runnable {
+    public:
+      explicit StartRunnable(MediaEngineTabVideoSource *videoSource) : mVideoSource(videoSource) {}
+      NS_IMETHOD Run();
+      RefPtr<MediaEngineTabVideoSource> mVideoSource;
+    };
+
+    class StopRunnable : public Runnable {
+    public:
+      explicit StopRunnable(MediaEngineTabVideoSource *videoSource) : mVideoSource(videoSource) {}
+      NS_IMETHOD Run();
+      RefPtr<MediaEngineTabVideoSource> mVideoSource;
+    };
+
+    class InitRunnable : public Runnable {
+    public:
+      explicit InitRunnable(MediaEngineTabVideoSource *videoSource) : mVideoSource(videoSource) {}
+      NS_IMETHOD Run();
+      RefPtr<MediaEngineTabVideoSource> mVideoSource;
+    };
+
+    class DestroyRunnable : public Runnable {
+    public:
+      explicit DestroyRunnable(MediaEngineTabVideoSource* videoSource) : mVideoSource(videoSource) {}
+      NS_IMETHOD Run();
+      RefPtr<MediaEngineTabVideoSource> mVideoSource;
+    };
+
+protected:
+    ~MediaEngineTabVideoSource() {}
+
+private:
+    int32_t mBufWidthMax;
+    int32_t mBufHeightMax;
+    int64_t mWindowId;
+    bool mScrollWithPage;
+    int32_t mViewportOffsetX;
+    int32_t mViewportOffsetY;
+    int32_t mViewportWidth;
+    int32_t mViewportHeight;
+    int32_t mTimePerFrame;
+    UniquePtr<unsigned char[]> mData;
+    size_t mDataSize;
+    nsCOMPtr<nsPIDOMWindowOuter> mWindow;
+    // If this is set, we will run despite mWindow == nullptr.
+    bool mBlackedoutWindow;
+    RefPtr<layers::SourceSurfaceImage> mImage;
+    nsCOMPtr<nsITimer> mTimer;
+    Monitor mMonitor;
+    nsCOMPtr<nsITabSource> mTabSource;
+  };
+}