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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GL_CHILD_WINDOW_WIN_H_
#define UI_GL_CHILD_WINDOW_WIN_H_
#include "base/memory/ref_counted.h"
#include "base/task/task_runner.h"
#include "ui/gl/gl_export.h"
#include <windows.h>
namespace gfx {
class Size;
}
namespace gl {
// 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 GL_EXPORT ChildWindowWin {
public:
ChildWindowWin();
ChildWindowWin(const ChildWindowWin&) = delete;
ChildWindowWin& operator=(const ChildWindowWin&) = delete;
~ChildWindowWin();
void Initialize();
HWND window() const { return window_; }
bool Resize(const gfx::Size& size);
scoped_refptr<base::TaskRunner> GetTaskRunnerForTesting();
private:
class ChildWindowThread;
// The window owner thread.
scoped_refptr<ChildWindowThread> thread_;
HWND window_ = nullptr;
// 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_ = nullptr;
};
} // namespace gl
#endif // UI_GL_CHILD_WINDOW_WIN_H_
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