gecko-dev/dom/vr/VREventObserver.h
Imanol Fernandez 5424767924 Bug 1481393 - Implement a listener for WebVR PresentationGenerationContext changes; r=kip,rbarker,nika
MozReview-Commit-ID: FAR1fYnNM0U

Differential Revision: https://phabricator.services.mozilla.com/D2832

--HG--
extra : moz-landing-system : lando
2018-08-07 23:09:42 +00:00

52 lines
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_VREventObserver_h
#define mozilla_dom_VREventObserver_h
#include "mozilla/dom/VRDisplayEventBinding.h"
#include "nsISupportsImpl.h" // for NS_INLINE_DECL_REFCOUNTING
class nsGlobalWindowInner;
namespace mozilla {
namespace dom {
class VREventObserver final
{
public:
NS_INLINE_DECL_REFCOUNTING(VREventObserver)
explicit VREventObserver(nsGlobalWindowInner* aGlobalWindow);
void NotifyAfterLoad();
void NotifyVRDisplayMounted(uint32_t aDisplayID);
void NotifyVRDisplayUnmounted(uint32_t aDisplayID);
void NotifyVRDisplayNavigation(uint32_t aDisplayID);
void NotifyVRDisplayRequested(uint32_t aDisplayID);
void NotifyVRDisplayConnect(uint32_t aDisplayID);
void NotifyVRDisplayDisconnect(uint32_t aDisplayID);
void NotifyVRDisplayPresentChange(uint32_t aDisplayID);
void NotifyPresentationGenerationChanged(uint32_t aDisplayID);
void DisconnectFromOwner();
void UpdateSpentTimeIn2DTelemetry(bool aUpdate);
private:
~VREventObserver();
RefPtr<nsGlobalWindowInner> mWindow;
// For WebVR telemetry for tracking users who view content
// in the 2D view.
TimeStamp mSpendTimeIn2DView;
bool mIs2DView;
bool mHasReset;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_VREventObserver_h