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// Copyright 2014 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_VIEWS_WINDOW_WINDOW_BUTTON_ORDER_PROVIDER_H_
#define UI_VIEWS_WINDOW_WINDOW_BUTTON_ORDER_PROVIDER_H_
#include <vector>
#include "ui/views/views_export.h"
#include "ui/views/window/frame_buttons.h"
namespace views {
// Stores the ordering of window control buttons. Provides a default ordering
// of |kMinimize|, |FrameButton::kMaximize|, |FrameButton::kClose|, where all
// controls are on the trailing end of a window.
//
// On Linux users can provide configuration files to control the ordering. This
// configuration is checked and overrides the defaults.
class VIEWS_EXPORT WindowButtonOrderProvider {
public:
static WindowButtonOrderProvider* GetInstance();
WindowButtonOrderProvider(const WindowButtonOrderProvider&) = delete;
WindowButtonOrderProvider& operator=(const WindowButtonOrderProvider&) =
delete;
const std::vector<views::FrameButton>& leading_buttons() const {
return leading_buttons_;
}
const std::vector<views::FrameButton>& trailing_buttons() const {
return trailing_buttons_;
}
void SetWindowButtonOrder(
const std::vector<views::FrameButton>& leading_buttons,
const std::vector<views::FrameButton>& trailing_buttons);
protected:
WindowButtonOrderProvider();
virtual ~WindowButtonOrderProvider();
private:
static WindowButtonOrderProvider* instance_;
// Layout arrangement of the window caption buttons. On linux these will be
// set via a WindowButtonOrderObserver. On other platforms a default
// arrangement of a trailing minimize, maximize, close, will be set.
std::vector<views::FrameButton> leading_buttons_;
std::vector<views::FrameButton> trailing_buttons_;
};
} // namespace views
#endif // UI_VIEWS_WINDOW_WINDOW_BUTTON_ORDER_PROVIDER_H_
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