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 ASH_FRAME_CAPTION_BUTTONS_FRAME_SIZE_BUTTON_DELEGATE_H_ 6 #define ASH_FRAME_CAPTION_BUTTONS_FRAME_SIZE_BUTTON_DELEGATE_H_ 7 8 #include "ash/ash_export.h" 9 #include "ash/frame/caption_buttons/caption_button_types.h" 10 11 namespace gfx { 12 class Insets; 13 class Point; 14 class Vector2d; 15 } 16 17 namespace ash { 18 class FrameCaptionButton; 19 20 // Delegate interface for FrameSizeButton. 21 class ASH_EXPORT FrameSizeButtonDelegate { 22 public: 23 enum Animate { 24 ANIMATE_YES, 25 ANIMATE_NO 26 }; 27 28 // Returns whether the minimize button is visible. 29 virtual bool IsMinimizeButtonVisible() const = 0; 30 31 // Reset the caption button views::Button::ButtonState back to normal. If 32 // |animate| is ANIMATE_YES, the buttons will crossfade back to their 33 // original icons. 34 virtual void SetButtonsToNormal(Animate animate) = 0; 35 36 // Sets the minimize and close button icons. The buttons will crossfade to 37 // their new icons if |animate| is ANIMATE_YES. 38 virtual void SetButtonIcons(CaptionButtonIcon minimize_button_icon, 39 CaptionButtonIcon close_button_icon, 40 Animate animate) = 0; 41 42 // Returns the button closest to |position_in_screen|. 43 virtual const FrameCaptionButton* GetButtonClosestTo( 44 const gfx::Point& position_in_screen) const = 0; 45 46 // Sets |to_hover| and |to_pressed| to STATE_HOVERED and STATE_PRESSED 47 // respectively. All other buttons are to set to STATE_NORMAL. 48 virtual void SetHoveredAndPressedButtons( 49 const FrameCaptionButton* to_hover, 50 const FrameCaptionButton* to_press) = 0; 51 52 protected: 53 virtual ~FrameSizeButtonDelegate() {} 54 }; 55 56 } // namespace ash 57 58 #endif // ASH_FRAME_CAPTION_BUTTONS_FRAME_SIZE_BUTTON_DELEGATE_H_ 59