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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 UI_GL_CHILD_WINDOW_WIN_H_
- #define UI_GL_CHILD_WINDOW_WIN_H_
- #include "base/memory/weak_ptr.h"
- #include "base/task/task_runner.h"
- #include "base/threading/thread.h"
- #include "ui/gl/gl_export.h"
- #include <windows.h>
- 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:
- explicit ChildWindowWin(HWND parent_window);
- ChildWindowWin(const ChildWindowWin&) = delete;
- ChildWindowWin& operator=(const ChildWindowWin&) = delete;
- ~ChildWindowWin();
- void Initialize();
- HWND window() const { return window_; }
- scoped_refptr<base::TaskRunner> GetTaskRunnerForTesting();
- private:
- // The window owner thread.
- std::unique_ptr<base::Thread> thread_;
- // The eventual parent of the window living in the browser process.
- const HWND parent_window_;
- 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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