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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_IPC_SERVICE_CHILD_WINDOW_WIN_H_
#define GPU_IPC_SERVICE_CHILD_WINDOW_WIN_H_
#include "base/memory/weak_ptr.h"
#include "gpu/ipc/service/image_transport_surface_delegate.h"
#include <windows.h>
namespace gpu {
struct SharedData;
// The window DirectComposition renders into needs to be owned by the process
// that's currently doing the rendering. The class creates and owns a window
// which is reparented by the browser to be a child of its window.
class ChildWindowWin {
public:
ChildWindowWin(base::WeakPtr<ImageTransportSurfaceDelegate> delegate,
HWND parent_window);
~ChildWindowWin();
bool Initialize();
void ClearInvalidContents();
HWND window() const { return window_; }
private:
// This member contains all the data that can be accessed from the main or
// window owner threads.
std::unique_ptr<SharedData> shared_data_;
// The eventual parent of the window living in the browser process.
HWND parent_window_;
HWND window_;
// The window is initially created with this parent window. We need to keep it
// around so that we can destroy it at the end.
HWND initial_parent_window_;
base::WeakPtr<ImageTransportSurfaceDelegate> delegate_;
DISALLOW_COPY_AND_ASSIGN(ChildWindowWin);
};
} // namespace gpu
#endif // GPU_IPC_SERVICE_CHILD_WINDOW_WIN_H_
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