1/*
2 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
3 * Copyright (C) 2006 Apple 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 "LayoutUnit.h"
26#include "PopupMenuStyle.h"
27#include "ScrollTypes.h"
28#include <wtf/Forward.h>
29
30namespace WebCore {
31
32class Color;
33class FontSelector;
34class HostWindow;
35class Scrollbar;
36class ScrollableArea;
37
38class PopupMenuClient {
39public:
40    virtual ~PopupMenuClient() {}
41    virtual void valueChanged(unsigned listIndex, bool fireEvents = true) = 0;
42    virtual void selectionChanged(unsigned listIndex, bool fireEvents = true) = 0;
43    virtual void selectionCleared() = 0;
44
45    virtual String itemText(unsigned listIndex) const = 0;
46    virtual String itemLabel(unsigned listIndex) const = 0;
47    virtual String itemIcon(unsigned listIndex) const = 0;
48    virtual String itemToolTip(unsigned listIndex) const = 0;
49    virtual String itemAccessibilityText(unsigned listIndex) const = 0;
50    virtual bool itemIsEnabled(unsigned listIndex) const = 0;
51    virtual PopupMenuStyle itemStyle(unsigned listIndex) const = 0;
52    virtual PopupMenuStyle menuStyle() const = 0;
53    virtual int clientInsetLeft() const = 0;
54    virtual int clientInsetRight() const = 0;
55    virtual LayoutUnit clientPaddingLeft() const = 0;
56    virtual LayoutUnit clientPaddingRight() const = 0;
57    virtual int listSize() const = 0;
58    virtual int selectedIndex() const = 0;
59    virtual void popupDidHide() = 0;
60    virtual bool itemIsSeparator(unsigned listIndex) const = 0;
61    virtual bool itemIsLabel(unsigned listIndex) const = 0;
62    virtual bool itemIsSelected(unsigned listIndex) const = 0;
63    virtual bool shouldPopOver() const = 0;
64    virtual bool valueShouldChangeOnHotTrack() const = 0;
65    virtual void setTextFromItem(unsigned listIndex) = 0;
66
67    virtual void listBoxSelectItem(int /*listIndex*/, bool /*allowMultiplySelections*/, bool /*shift*/, bool /*fireOnChangeNow*/ = true) { ASSERT_NOT_REACHED(); }
68    virtual bool multiple() const
69    {
70        ASSERT_NOT_REACHED();
71        return false;
72    }
73
74    virtual FontSelector* fontSelector() const = 0;
75    virtual HostWindow* hostWindow() const = 0;
76
77    virtual PassRefPtr<Scrollbar> createScrollbar(ScrollableArea*, ScrollbarOrientation, ScrollbarControlSize) = 0;
78};
79
80}
81
82#endif
83