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// Copyright 2016 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 CHROME_BROWSER_THEMES_THEME_SERVICE_WIN_H_
#define CHROME_BROWSER_THEMES_THEME_SERVICE_WIN_H_
#include "base/win/registry.h"
#include "chrome/browser/themes/theme_service.h"
class ThemeServiceWin : public ThemeService {
public:
ThemeServiceWin();
~ThemeServiceWin() override;
private:
// ThemeService:
bool ShouldUseNativeFrame() const override;
SkColor GetDefaultColor(int id, bool incognito) const override;
// Returns true if the window frame color is determined by the DWM, i.e. this
// is a native frame on Windows 10.
bool ShouldUseDwmFrameColor() const;
// Callback executed when |dwm_key_| is updated. This re-reads the active
// frame color and updates |dwm_frame_color_|.
void OnDwmKeyUpdated();
// Registry key containing the params that determine the DWM frame color.
// This is only initialized on Windows 10.
scoped_ptr<base::win::RegKey> dwm_key_;
// The DWM frame color, if available; white otherwise.
SkColor dwm_frame_color_;
DISALLOW_COPY_AND_ASSIGN(ThemeServiceWin);
};
#endif // CHROME_BROWSER_THEMES_THEME_SERVICE_WIN_H_
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