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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_VIEWS_CONTROLS_BUTTON_CHECKBOX_H_
#define UI_VIEWS_CONTROLS_BUTTON_CHECKBOX_H_
#include <string>
#include "base/compiler_specific.h"
#include "base/strings/string16.h"
#include "ui/views/controls/button/label_button.h"
namespace views {
// A native themed class representing a checkbox. This class does not use
// platform specific objects to replicate the native platforms looks and feel.
class VIEWS_EXPORT Checkbox : public LabelButton {
public:
static const char kViewClassName[];
explicit Checkbox(const string16& label);
virtual ~Checkbox();
// Sets a listener for this checkbox. Checkboxes aren't required to have them
// since their state can be read independently of them being toggled.
void set_listener(ButtonListener* listener) { listener_ = listener; }
// Sets/Gets whether or not the checkbox is checked.
virtual void SetChecked(bool checked);
bool checked() const { return checked_; }
protected:
// Overridden from LabelButton:
virtual void Layout() OVERRIDE;
virtual const char* GetClassName() const OVERRIDE;
virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
virtual void OnFocus() OVERRIDE;
virtual void OnBlur() OVERRIDE;
virtual const gfx::ImageSkia& GetImage(ButtonState for_state) OVERRIDE;
// Set the image shown for each button state depending on whether it is
// [checked] or [focused].
void SetCustomImage(bool checked,
bool focused,
ButtonState for_state,
const gfx::ImageSkia& image);
private:
// Overridden from Button:
virtual void NotifyClick(const ui::Event& event) OVERRIDE;
virtual ui::NativeTheme::Part GetThemePart() const OVERRIDE;
virtual void GetExtraParams(
ui::NativeTheme::ExtraParams* params) const OVERRIDE;
// True if the checkbox is checked.
bool checked_;
// The images for each button state.
gfx::ImageSkia images_[2][2][STATE_COUNT];
DISALLOW_COPY_AND_ASSIGN(Checkbox);
};
} // namespace views
#endif // UI_VIEWS_CONTROLS_BUTTON_CHECKBOX_H_
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