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1/*
2 * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "ContextMenu.h"
28
29#if ENABLE(CONTEXT_MENUS)
30
31#include "ContextMenuController.h"
32
33@interface WebCoreMenuTarget : NSObject {
34    WebCore::ContextMenuController* _menuController;
35}
36+ (WebCoreMenuTarget*)sharedMenuTarget;
37- (WebCore::ContextMenuController*)menuController;
38- (void)setMenuController:(WebCore::ContextMenuController*)menuController;
39- (void)forwardContextMenuAction:(id)sender;
40- (BOOL)validateMenuItem:(NSMenuItem *)item;
41@end
42
43static WebCoreMenuTarget* target;
44
45@implementation WebCoreMenuTarget
46
47+ (WebCoreMenuTarget*)sharedMenuTarget
48{
49    if (!target)
50        target = [[WebCoreMenuTarget alloc] init];
51    return target;
52}
53
54- (WebCore::ContextMenuController*)menuController
55{
56    return _menuController;
57}
58
59- (void)setMenuController:(WebCore::ContextMenuController*)menuController
60{
61    _menuController = menuController;
62}
63
64- (void)forwardContextMenuAction:(id)sender
65{
66    WebCore::ContextMenuItem item(WebCore::ActionType, static_cast<WebCore::ContextMenuAction>([sender tag]), [sender title]);
67    _menuController->contextMenuItemSelected(&item);
68}
69
70- (BOOL)validateMenuItem:(NSMenuItem *)item
71{
72    WebCore::ContextMenuItem coreItem(item);
73    ASSERT(_menuController->contextMenu());
74    _menuController->contextMenu()->checkOrEnableIfNeeded(coreItem);
75    return coreItem.enabled();
76}
77
78@end
79
80namespace WebCore {
81
82ContextMenu::ContextMenu(const HitTestResult& result)
83    : m_hitTestResult(result)
84{
85    NSMutableArray* array = [[NSMutableArray alloc] init];
86    m_platformDescription = array;
87    [array release];
88
89    [[WebCoreMenuTarget sharedMenuTarget] setMenuController:controller()];
90}
91
92ContextMenu::ContextMenu(const HitTestResult& result, const PlatformMenuDescription menu)
93    : m_hitTestResult(result)
94    , m_platformDescription(menu)
95{
96    [[WebCoreMenuTarget sharedMenuTarget] setMenuController:controller()];
97}
98
99ContextMenu::~ContextMenu()
100{
101}
102
103static void setMenuItemTarget(NSMenuItem* menuItem)
104{
105    [menuItem setTarget:[WebCoreMenuTarget sharedMenuTarget]];
106    [menuItem setAction:@selector(forwardContextMenuAction:)];
107}
108
109void ContextMenu::appendItem(ContextMenuItem& item)
110{
111    checkOrEnableIfNeeded(item);
112
113    ContextMenuItemType type = item.type();
114    NSMenuItem* platformItem = item.releasePlatformDescription();
115    if (type == ActionType)
116        setMenuItemTarget(platformItem);
117
118    [m_platformDescription.get() addObject:platformItem];
119    [platformItem release];
120}
121
122void ContextMenu::insertItem(unsigned position, ContextMenuItem& item)
123{
124    checkOrEnableIfNeeded(item);
125
126    ContextMenuItemType type = item.type();
127    NSMenuItem* platformItem = item.releasePlatformDescription();
128    if (type == ActionType)
129        setMenuItemTarget(platformItem);
130
131    [m_platformDescription.get() insertObject:platformItem atIndex:position];
132    [platformItem release];
133}
134
135unsigned ContextMenu::itemCount() const
136{
137    return [m_platformDescription.get() count];
138}
139
140void ContextMenu::setPlatformDescription(NSMutableArray* menu)
141{
142    if (m_platformDescription.get() != menu)
143        m_platformDescription = menu;
144}
145
146NSMutableArray* ContextMenu::platformDescription() const
147{
148    return m_platformDescription.get();
149}
150
151NSMutableArray* ContextMenu::releasePlatformDescription()
152{
153    return m_platformDescription.releaseRef();
154}
155
156} // namespace WebCore
157
158#endif // ENABLE(CONTEXT_MENUS)
159