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 UI_VIEWS_CONTROLS_BUTTON_CHECKBOX_H_ 6 #define UI_VIEWS_CONTROLS_BUTTON_CHECKBOX_H_ 7 8 #include <string> 9 10 #include "base/compiler_specific.h" 11 #include "base/strings/string16.h" 12 #include "ui/views/controls/button/label_button.h" 13 14 namespace views { 15 16 // A native themed class representing a checkbox. This class does not use 17 // platform specific objects to replicate the native platforms looks and feel. 18 class VIEWS_EXPORT Checkbox : public LabelButton { 19 public: 20 static const char kViewClassName[]; 21 22 explicit Checkbox(const string16& label); 23 virtual ~Checkbox(); 24 25 // Sets a listener for this checkbox. Checkboxes aren't required to have them 26 // since their state can be read independently of them being toggled. 27 void set_listener(ButtonListener* listener) { listener_ = listener; } 28 29 // Sets/Gets whether or not the checkbox is checked. 30 virtual void SetChecked(bool checked); 31 bool checked() const { return checked_; } 32 33 protected: 34 // Overridden from LabelButton: 35 virtual void Layout() OVERRIDE; 36 virtual const char* GetClassName() const OVERRIDE; 37 virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE; 38 virtual void OnFocus() OVERRIDE; 39 virtual void OnBlur() OVERRIDE; 40 virtual const gfx::ImageSkia& GetImage(ButtonState for_state) OVERRIDE; 41 42 // Set the image shown for each button state depending on whether it is 43 // [checked] or [focused]. 44 void SetCustomImage(bool checked, 45 bool focused, 46 ButtonState for_state, 47 const gfx::ImageSkia& image); 48 49 private: 50 // Overridden from Button: 51 virtual void NotifyClick(const ui::Event& event) OVERRIDE; 52 53 virtual ui::NativeTheme::Part GetThemePart() const OVERRIDE; 54 virtual void GetExtraParams( 55 ui::NativeTheme::ExtraParams* params) const OVERRIDE; 56 57 // True if the checkbox is checked. 58 bool checked_; 59 60 // The images for each button state. 61 gfx::ImageSkia images_[2][2][STATE_COUNT]; 62 63 DISALLOW_COPY_AND_ASSIGN(Checkbox); 64 }; 65 66 } // namespace views 67 68 #endif // UI_VIEWS_CONTROLS_BUTTON_CHECKBOX_H_ 69
