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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 "platform/LayoutUnit.h"
26 #include "platform/PlatformExport.h"
27 #include "platform/PopupMenuStyle.h"
28 #include "wtf/Forward.h"
29 
30 namespace blink {
31 
32 class PopupMenuClient {
33 public:
~PopupMenuClient()34     virtual ~PopupMenuClient() { }
35     virtual void valueChanged(unsigned listIndex, bool fireEvents = true) = 0;
36     virtual void selectionChanged(unsigned listIndex, bool fireEvents = true) = 0;
37     virtual void selectionCleared() = 0;
38 
39     virtual String itemText(unsigned listIndex) const = 0;
40     virtual String itemToolTip(unsigned listIndex) const = 0;
41     virtual String itemAccessibilityText(unsigned listIndex) const = 0;
42     virtual bool itemIsEnabled(unsigned listIndex) const = 0;
43     virtual PopupMenuStyle itemStyle(unsigned listIndex) const = 0;
44     virtual PopupMenuStyle menuStyle() const = 0;
45     virtual LayoutUnit clientPaddingLeft() const = 0;
46     virtual LayoutUnit clientPaddingRight() const = 0;
47     virtual int listSize() const = 0;
48     virtual int selectedIndex() const = 0;
49     virtual void popupDidHide() = 0;
50     virtual bool itemIsSeparator(unsigned listIndex) const = 0;
51     virtual bool itemIsLabel(unsigned listIndex) const = 0;
52     virtual bool itemIsSelected(unsigned listIndex) const = 0;
53     virtual void setTextFromItem(unsigned listIndex) = 0;
54 
55     virtual void listBoxSelectItem(int /*listIndex*/, bool /*allowMultiplySelections*/, bool /*shift*/, bool /*fireOnChangeNow*/ = true) { ASSERT_NOT_REACHED(); }
multiple()56     virtual bool multiple() const
57     {
58         ASSERT_NOT_REACHED();
59         return false;
60     }
61 };
62 
63 }
64 
65 #endif
66