1 // Copyright (c) 2012 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 CHROME_BROWSER_UI_CONFIRM_BUBBLE_MODEL_H_ 6 #define CHROME_BROWSER_UI_CONFIRM_BUBBLE_MODEL_H_ 7 8 #include "base/basictypes.h" 9 #include "base/strings/string16.h" 10 11 namespace gfx { 12 class Image; 13 } 14 15 // An interface implemented by objects wishing to control an ConfirmBubbleView. 16 // To use this class to implement a bubble menu, we need two steps: 17 // 1. Implement a class derived from this class. 18 // 2. Call chrome::ShowConfirmBubble() with the class implemented in 1. 19 class ConfirmBubbleModel { 20 public: 21 enum BubbleButton { 22 BUTTON_NONE = 0, 23 BUTTON_OK = 1 << 0, 24 BUTTON_CANCEL = 1 << 1, 25 }; 26 27 ConfirmBubbleModel(); 28 virtual ~ConfirmBubbleModel(); 29 30 // Returns the title string and the message string to be displayed for this 31 // bubble menu. These must not be empty strings. 32 virtual base::string16 GetTitle() const = 0; 33 virtual base::string16 GetMessageText() const = 0; 34 35 // Returns an icon for the bubble. This image should be owned by the 36 // ResourceBundle and callers should not take ownership of it. Must not return 37 // NULL. 38 virtual gfx::Image* GetIcon() const = 0; 39 40 // Return the buttons to be shown for this bubble menu. This function returns 41 // a combination of BubbleButton values, e.g. when we show both an OK button 42 // and a cancel button, it should return (BUTTON_OK | BUTTON_CANCEL). (This is 43 // the default implementation.) 44 virtual int GetButtons() const; 45 46 // Return the label for the specified button. The default implementation 47 // returns "OK" for the OK button and "Cancel" for the Cancel button. 48 virtual base::string16 GetButtonLabel(BubbleButton button) const; 49 50 // Called when the OK button is pressed. 51 virtual void Accept(); 52 53 // Called when the Cancel button is pressed. 54 virtual void Cancel(); 55 56 // Returns the text of the link to be displayed, if any. Otherwise returns 57 // and empty string. 58 virtual base::string16 GetLinkText() const; 59 60 // Called when the Link is clicked. 61 virtual void LinkClicked(); 62 63 private: 64 DISALLOW_COPY_AND_ASSIGN(ConfirmBubbleModel); 65 }; 66 67 #endif // CHROME_BROWSER_UI_CONFIRM_BUBBLE_MODEL_H_ 68