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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_LINK_H_
#define UI_VIEWS_CONTROLS_LINK_H_
#pragma once
#include <string>
#include "ui/views/controls/label.h"
namespace views {
class LinkListener;
////////////////////////////////////////////////////////////////////////////////
//
// Link class
//
// A Link is a label subclass that looks like an HTML link. It has a
// controller which is notified when a click occurs.
//
////////////////////////////////////////////////////////////////////////////////
class VIEWS_EXPORT Link : public Label {
public:
Link();
explicit Link(const string16& title);
virtual ~Link();
const LinkListener* listener() { return listener_; }
void set_listener(LinkListener* listener) { listener_ = listener; }
// Overridden from View:
virtual void OnEnabledChanged() OVERRIDE;
virtual std::string GetClassName() const OVERRIDE;
virtual gfx::NativeCursor GetCursor(const MouseEvent& event) OVERRIDE;
virtual bool HitTest(const gfx::Point& l) const OVERRIDE;
virtual bool OnMousePressed(const MouseEvent& event) OVERRIDE;
virtual bool OnMouseDragged(const MouseEvent& event) OVERRIDE;
virtual void OnMouseReleased(const MouseEvent& event) OVERRIDE;
virtual void OnMouseCaptureLost() OVERRIDE;
virtual bool OnKeyPressed(const KeyEvent& event) OVERRIDE;
virtual bool SkipDefaultKeyEventProcessing(const KeyEvent& event) OVERRIDE;
virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
// Overridden from Label:
virtual void SetFont(const gfx::Font& font) OVERRIDE;
virtual void SetEnabledColor(SkColor color) OVERRIDE;
void SetPressedColor(SkColor color);
static const char kViewClassName[];
private:
void Init();
void SetPressed(bool pressed);
void RecalculateFont();
LinkListener* listener_;
// Whether the link is currently pressed.
bool pressed_;
// The color when the link is neither pressed nor disabled.
SkColor requested_enabled_color_;
// The color when the link is pressed.
SkColor requested_pressed_color_;
DISALLOW_COPY_AND_ASSIGN(Link);
};
} // namespace views
#endif // UI_VIEWS_CONTROLS_LINK_H_
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