gecko-dev/widget/windows/WinCompositorWindowThread.h

68 строки
1.9 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 widget_windows_WinCompositorWindowThread_h
#define widget_windows_WinCompositorWindowThread_h
#include "base/thread.h"
#include "base/message_loop.h"
#include "mozilla/Monitor.h"
namespace mozilla {
namespace widget {
struct WinCompositorWnds {
HWND mCompositorWnd;
HWND mInitialParentWnd;
WinCompositorWnds(HWND aCompositorWnd, HWND aInitialParentWnd)
: mCompositorWnd(aCompositorWnd), mInitialParentWnd(aInitialParentWnd) {}
};
class WinCompositorWindowThread final {
NS_INLINE_DECL_THREADSAFE_REFCOUNTING_WITH_DELETE_ON_MAIN_THREAD(
WinCompositorWindowThread)
public:
/// Can be called from any thread.
static WinCompositorWindowThread* Get();
/// Can only be called from the main thread.
static void Start();
/// Can only be called from the main thread.
static void ShutDown();
/// Can be called from any thread.
static MessageLoop* Loop();
/// Can be called from any thread.
static bool IsInCompositorWindowThread();
/// Can be called from any thread.
static WinCompositorWnds CreateCompositorWindow();
/// Can be called from any thread.
static void DestroyCompositorWindow(WinCompositorWnds aWnds);
private:
explicit WinCompositorWindowThread(base::Thread* aThread);
~WinCompositorWindowThread() {}
void ShutDownTask();
UniquePtr<base::Thread> const mThread;
Monitor mMonitor;
// Has ShutDown been called on us? We might have survived if our thread join
// timed out.
bool mHasAttemptedShutdown = false;
};
} // namespace widget
} // namespace mozilla
#endif // widget_windows_WinCompositorWindowThread_h