1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef UI_VIEWS_WINDOW_WINDOW_BUTTON_ORDER_PROVIDER_H_ 6 #define UI_VIEWS_WINDOW_WINDOW_BUTTON_ORDER_PROVIDER_H_ 7 8 #include <vector> 9 10 #include "base/macros.h" 11 #include "ui/views/views_export.h" 12 #include "ui/views/window/frame_buttons.h" 13 14 namespace views { 15 16 // Stores the ordering of window control buttons. Provides a default ordering 17 // of |FRAME_BUTTON_MINIMZE|, |FRAME_BUTTON_MAXIMIZE|, |FRAME_BUTTON_CLOSE|, 18 // where all controls are on the trailing end of a window. 19 // 20 // On Linux users can provide configuration files to control the ordering. This 21 // configuration is checked and overrides the defaults. 22 class VIEWS_EXPORT WindowButtonOrderProvider { 23 public: 24 static WindowButtonOrderProvider* GetInstance(); 25 26 const std::vector<views::FrameButton>& leading_buttons() const { 27 return leading_buttons_; 28 } 29 30 const std::vector<views::FrameButton>& trailing_buttons() const { 31 return trailing_buttons_; 32 } 33 34 void SetWindowButtonOrder( 35 const std::vector<views::FrameButton>& leading_buttons, 36 const std::vector<views::FrameButton>& trailing_buttons); 37 38 protected: 39 WindowButtonOrderProvider(); 40 virtual ~WindowButtonOrderProvider(); 41 42 private: 43 static WindowButtonOrderProvider* instance_; 44 45 // Layout arrangement of the window caption buttons. On linux these will be 46 // set via a WindowButtonOrderObserver. On other platforms a default 47 // arrangement of a trailing minimize, maximize, close, will be set. 48 std::vector<views::FrameButton> leading_buttons_; 49 std::vector<views::FrameButton> trailing_buttons_; 50 51 DISALLOW_COPY_AND_ASSIGN(WindowButtonOrderProvider); 52 }; 53 54 } // namespace views 55 56 #endif // UI_VIEWS_WINDOW_WINDOW_BUTTON_ORDER_PROVIDER_H_ 57
