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/* 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 mozilla_dom_MediaDevices_h
#define mozilla_dom_MediaDevices_h
#include "MediaEventSource.h"
#include "js/RootingAPI.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/UseCounter.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "nsCOMPtr.h"
#include "nsID.h"
#include "nsISupports.h"
#include "nsITimer.h"
namespace mozilla {
namespace dom {
class Promise;
struct MediaStreamConstraints;
struct DisplayMediaStreamConstraints;
struct MediaTrackSupportedConstraints;
#define MOZILLA_DOM_MEDIADEVICES_IMPLEMENTATION_IID \
{ \
0x2f784d8a, 0x7485, 0x4280, { \
0x9a, 0x36, 0x74, 0xa4, 0xd6, 0x71, 0xa6, 0xc8 \
} \
}
class MediaDevices final : public DOMEventTargetHelper {
public:
explicit MediaDevices(nsPIDOMWindowInner* aWindow)
: DOMEventTargetHelper(aWindow) {}
NS_DECL_ISUPPORTS_INHERITED
NS_DECLARE_STATIC_IID_ACCESSOR(MOZILLA_DOM_MEDIADEVICES_IMPLEMENTATION_IID)
JSObject* WrapObject(JSContext* cx,
JS::Handle<JSObject*> aGivenProto) override;
// No code needed, as MediaTrackSupportedConstraints members default to true.
void GetSupportedConstraints(MediaTrackSupportedConstraints& aResult){};
already_AddRefed<Promise> GetUserMedia(
const MediaStreamConstraints& aConstraints, CallerType aCallerType,
ErrorResult& aRv);
already_AddRefed<Promise> EnumerateDevices(CallerType aCallerType,
ErrorResult& aRv);
already_AddRefed<Promise> GetDisplayMedia(
const DisplayMediaStreamConstraints& aConstraints, CallerType aCallerType,
ErrorResult& aRv);
// Called when MediaManager encountered a change in its device lists.
void OnDeviceChange();
void SetupDeviceChangeListener();
mozilla::dom::EventHandlerNonNull* GetOndevicechange();
void SetOndevicechange(mozilla::dom::EventHandlerNonNull* aCallback);
void EventListenerAdded(nsAtom* aType) override;
using DOMEventTargetHelper::EventListenerAdded;
private:
class GumResolver;
class EnumDevResolver;
class GumRejecter;
virtual ~MediaDevices();
nsCOMPtr<nsITimer> mFuzzTimer;
// Connect/Disconnect on main thread only
MediaEventListener mDeviceChangeListener;
bool mIsDeviceChangeListenerSetUp = false;
void RecordAccessTelemetry(const UseCounter counter) const;
};
NS_DEFINE_STATIC_IID_ACCESSOR(MediaDevices,
MOZILLA_DOM_MEDIADEVICES_IMPLEMENTATION_IID)
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_MediaDevices_h