gecko-dev/dom/media/webrtc/MediaEngineTabVideoSource.h
Gian-Carlo Pascutto 839aa03119 Bug 1254102 - Add "blackout" mode. If the window is not legal, output a black square. r=jesup
MozReview-Commit-ID: GlBy8fUZwIE

--HG--
extra : rebase_source : 7708bc0cb5da5a676ae75d9965ede16e944c8307
2016-03-16 19:21:17 +01:00

100 lines
3.3 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/. */
#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 Shutdown() override {};
void GetName(nsAString_internal&) override;
void GetUUID(nsACString_internal&) override;
nsresult Allocate(const dom::MediaTrackConstraints &,
const mozilla::MediaEnginePrefs&,
const nsString& aDeviceId,
const nsACString& aOrigin) override;
nsresult Deallocate() override;
nsresult Start(mozilla::SourceMediaStream*, mozilla::TrackID) override;
void SetDirectListeners(bool aHasDirectListeners) override {};
void NotifyPull(mozilla::MediaStreamGraph*, mozilla::SourceMediaStream*, mozilla::TrackID, mozilla::StreamTime) override;
nsresult Stop(mozilla::SourceMediaStream*, mozilla::TrackID) override;
nsresult Restart(const dom::MediaTrackConstraints& aConstraints,
const mozilla::MediaEnginePrefs& aPrefs,
const nsString& aDeviceId) override;
bool IsFake() override;
dom::MediaSourceEnum GetMediaSource() const override {
return dom::MediaSourceEnum::Browser;
}
uint32_t GetBestFitnessDistance(
const nsTArray<const dom::MediaTrackConstraintSet*>& aConstraintSets,
const nsString& aDeviceId) override
{
return 0;
}
nsresult TakePhoto(PhotoCallback* aCallback) override
{
return NS_ERROR_NOT_IMPLEMENTED;
}
void Draw();
class StartRunnable : public nsRunnable {
public:
explicit StartRunnable(MediaEngineTabVideoSource *videoSource) : mVideoSource(videoSource) {}
NS_IMETHOD Run();
RefPtr<MediaEngineTabVideoSource> mVideoSource;
};
class StopRunnable : public nsRunnable {
public:
explicit StopRunnable(MediaEngineTabVideoSource *videoSource) : mVideoSource(videoSource) {}
NS_IMETHOD Run();
RefPtr<MediaEngineTabVideoSource> mVideoSource;
};
class InitRunnable : public nsRunnable {
public:
explicit InitRunnable(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;
};
}