popupmenuclient.h

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
 * Copyright (C) 2006 Apple Computer, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */

#ifndef PopupMenuClient_h
#define PopupMenuClient_h

#include "PopupMenuStyle.h"
#include "ScrollTypes.h"

namespace WebCore {

class Color;
class FontSelector;
class HostWindow;
class Scrollbar;
class ScrollbarClient;
class String;

class PopupMenuClient {
public:
    virtual ~PopupMenuClient() {}
    virtual void valueChanged(unsigned listIndex, bool fireEvents = true) = 0;

    virtual String itemText(unsigned listIndex) const = 0;
    virtual bool itemIsEnabled(unsigned listIndex) const = 0;
    virtual PopupMenuStyle itemStyle(unsigned listIndex) const = 0;
    virtual PopupMenuStyle menuStyle() const = 0;
    virtual int clientInsetLeft() const = 0;
    virtual int clientInsetRight() const = 0;
    virtual int clientPaddingLeft() const = 0;
    virtual int clientPaddingRight() const = 0;
    virtual int listSize() const = 0;
    virtual int selectedIndex() const = 0;
    virtual void hidePopup() = 0;
    virtual bool itemIsSeparator(unsigned listIndex) const = 0;
    virtual bool itemIsLabel(unsigned listIndex) const = 0;
    virtual bool itemIsSelected(unsigned listIndex) const = 0;
    virtual bool shouldPopOver() const = 0;
    virtual bool valueShouldChangeOnHotTrack() const = 0;
    virtual void setTextFromItem(unsigned listIndex) = 0;
    
    virtual FontSelector* fontSelector() const = 0;
    virtual HostWindow* hostWindow() const = 0;
    
    virtual PassRefPtr<Scrollbar> createScrollbar(ScrollbarClient*, ScrollbarOrientation, ScrollbarControlSize) = 0;
};

}

#endif