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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_
#include <string>
#include "third_party/skia/include/core/SkColor.h"
#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 base::string16& title);
~Link() override;
static SkColor GetDefaultEnabledColor();
const LinkListener* listener() { return listener_; }
void set_listener(LinkListener* listener) { listener_ = listener; }
// Label:
const char* GetClassName() const override;
gfx::NativeCursor GetCursor(const ui::MouseEvent& event) override;
bool CanProcessEventsWithinSubtree() const override;
bool OnMousePressed(const ui::MouseEvent& event) override;
bool OnMouseDragged(const ui::MouseEvent& event) override;
void OnMouseReleased(const ui::MouseEvent& event) override;
void OnMouseCaptureLost() override;
bool OnKeyPressed(const ui::KeyEvent& event) override;
void OnGestureEvent(ui::GestureEvent* event) override;
bool SkipDefaultKeyEventProcessing(const ui::KeyEvent& event) override;
void GetAccessibleState(ui::AXViewState* state) override;
void OnEnabledChanged() override;
void OnFocus() override;
void OnBlur() override;
void SetFontList(const gfx::FontList& font_list) override;
void SetText(const base::string16& text) override;
void SetEnabledColor(SkColor color) override;
void SetPressedColor(SkColor color);
void SetUnderline(bool underline);
static const char kViewClassName[];
private:
void Init();
void SetPressed(bool pressed);
void RecalculateFont();
LinkListener* listener_;
// Whether the link should be underlined when enabled.
bool underline_;
// 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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