1 // Copyright (c) 2011 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_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_BUTTON_H_ 6 #define UI_VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_BUTTON_H_ 7 8 #include "ui/views/controls/button/custom_button.h" 9 10 #include "ui/views/repeat_controller.h" 11 12 #if defined(OS_LINUX) 13 #include "ui/gfx/screen.h" 14 #endif 15 16 namespace views { 17 18 /////////////////////////////////////////////////////////////////////////////// 19 // 20 // ScrollBarButton 21 // 22 // A button that activates on mouse pressed rather than released, and that 23 // continues to fire the clicked action as the mouse button remains pressed 24 // down on the button. 25 // 26 /////////////////////////////////////////////////////////////////////////////// 27 class VIEWS_EXPORT BaseScrollBarButton : public CustomButton { 28 public: 29 explicit BaseScrollBarButton(ButtonListener* listener); 30 virtual ~BaseScrollBarButton(); 31 32 protected: 33 virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE; 34 virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE; 35 virtual void OnMouseCaptureLost() OVERRIDE; 36 37 private: 38 void RepeaterNotifyClick(); 39 40 // The repeat controller that we use to repeatedly click the button when the 41 // mouse button is down. 42 RepeatController repeater_; 43 44 DISALLOW_COPY_AND_ASSIGN(BaseScrollBarButton); 45 }; 46 47 } // namespace views 48 49 #endif // UI_VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_BUTTON_H_ 50
