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      1 /*
      2  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
      3  * Copyright (C) 2006 Apple Computer, Inc.
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  *
     20  */
     21 
     22 #ifndef PopupMenuClient_h
     23 #define PopupMenuClient_h
     24 
     25 #include "PopupMenuStyle.h"
     26 #include "ScrollTypes.h"
     27 #include <wtf/Forward.h>
     28 
     29 namespace WebCore {
     30 
     31 class Color;
     32 class FontSelector;
     33 class HostWindow;
     34 class Scrollbar;
     35 class ScrollableArea;
     36 
     37 class PopupMenuClient {
     38 public:
     39     virtual ~PopupMenuClient() {}
     40     virtual void valueChanged(unsigned listIndex, bool fireEvents = true) = 0;
     41     virtual void selectionChanged(unsigned listIndex, bool fireEvents = true) = 0;
     42     virtual void selectionCleared() = 0;
     43 
     44     virtual String itemText(unsigned listIndex) const = 0;
     45     virtual String itemLabel(unsigned listIndex) const = 0;
     46     virtual String itemIcon(unsigned listIndex) const = 0;
     47     virtual String itemToolTip(unsigned listIndex) const = 0;
     48     virtual String itemAccessibilityText(unsigned listIndex) const = 0;
     49     virtual bool itemIsEnabled(unsigned listIndex) const = 0;
     50     virtual PopupMenuStyle itemStyle(unsigned listIndex) const = 0;
     51     virtual PopupMenuStyle menuStyle() const = 0;
     52     virtual int clientInsetLeft() const = 0;
     53     virtual int clientInsetRight() const = 0;
     54     virtual int clientPaddingLeft() const = 0;
     55     virtual int clientPaddingRight() const = 0;
     56     virtual int listSize() const = 0;
     57     virtual int selectedIndex() const = 0;
     58     virtual void popupDidHide() = 0;
     59     virtual bool itemIsSeparator(unsigned listIndex) const = 0;
     60     virtual bool itemIsLabel(unsigned listIndex) const = 0;
     61     virtual bool itemIsSelected(unsigned listIndex) const = 0;
     62     virtual bool shouldPopOver() const = 0;
     63     virtual bool valueShouldChangeOnHotTrack() const = 0;
     64     virtual void setTextFromItem(unsigned listIndex) = 0;
     65 
     66     virtual FontSelector* fontSelector() const = 0;
     67     virtual HostWindow* hostWindow() const = 0;
     68 
     69     virtual PassRefPtr<Scrollbar> createScrollbar(ScrollableArea*, ScrollbarOrientation, ScrollbarControlSize) = 0;
     70 };
     71 
     72 #if ENABLE(NO_LISTBOX_RENDERING)
     73 class ListPopupMenuClient : public PopupMenuClient {
     74 public:
     75     virtual void listBoxSelectItem(int listIndex, bool allowMultiplySelections, bool shift, bool fireOnChangeNow = true) = 0;
     76     virtual bool multiple() = 0;
     77 };
     78 #endif
     79 
     80 
     81 }
     82 
     83 #endif
     84