gecko-dev/dom/canvas/WebGLContextLossHandler.h

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1.2 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 WEBGL_CONTEXT_LOSS_HANDLER_H_
#define WEBGL_CONTEXT_LOSS_HANDLER_H_
#include "mozilla/WeakPtr.h"
#include "nsCOMPtr.h"
class nsIThread;
class nsITimer;
namespace mozilla {
class WebGLContext;
class WebGLContextLossHandler final
: public SupportsWeakPtr<WebGLContextLossHandler> {
WebGLContext* const mWebGL;
const nsCOMPtr<nsITimer>
mTimer; // If we don't hold a ref to the timer, it will think
bool mTimerPending; // that it's been discarded, and be canceled 'for our
bool mShouldRunTimerAgain; // convenience'.
#ifdef DEBUG
nsISerialEventTarget* const mEventTarget;
#endif
friend class WatchdogTimerEvent;
public:
MOZ_DECLARE_WEAKREFERENCE_TYPENAME(WebGLContextLossHandler)
explicit WebGLContextLossHandler(WebGLContext* webgl);
~WebGLContextLossHandler();
void RunTimer();
private:
void TimerCallback();
};
} // namespace mozilla
#endif // WEBGL_CONTEXT_LOSS_HANDLER_H_