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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "config.h" | |
6 #include "core/page/CustomContextMenuProvider.h" | |
7 | |
8 #include "core/dom/Document.h" | |
9 #include "core/dom/ElementTraversal.h" | |
10 #include "core/events/EventDispatcher.h" | |
11 #include "core/events/MouseEvent.h" | |
12 #include "core/html/HTMLMenuElement.h" | |
13 #include "core/html/HTMLMenuItemElement.h" | |
14 #include "core/page/ContextMenuController.h" | |
15 #include "core/page/Page.h" | |
16 #include "platform/ContextMenu.h" | |
17 | |
18 namespace blink { | |
19 | |
20 using namespace HTMLNames; | |
21 | |
22 CustomContextMenuProvider::CustomContextMenuProvider(HTMLMenuElement& menu, HTML Element& subject) | |
23 : m_menu(menu) | |
24 , m_subjectElement(subject) | |
25 { | |
26 } | |
27 | |
28 CustomContextMenuProvider::~CustomContextMenuProvider() | |
29 { | |
30 } | |
31 | |
32 void CustomContextMenuProvider::populateContextMenu(ContextMenu* menu) | |
33 { | |
34 populateContextMenuItems(*m_menu, *menu); | |
35 } | |
36 | |
37 void CustomContextMenuProvider::contextMenuItemSelected(const ContextMenuItem* i tem) | |
38 { | |
39 if (HTMLElement* element = menuItemAt(item->action())) { | |
40 RefPtrWillBeRawPtr<SimulatedMouseEvent> click = SimulatedMouseEvent::cre ate(EventTypeNames::click, m_menu->document().domWindow(), Event::create()); | |
41 click->setRelatedTarget(m_subjectElement.get()); | |
42 element->dispatchEvent(click.release()); | |
43 } | |
44 } | |
45 | |
46 void CustomContextMenuProvider::contextMenuCleared() | |
47 { | |
48 m_menuItems.clear(); | |
49 m_subjectElement = nullptr; | |
50 } | |
51 | |
52 void CustomContextMenuProvider::populateContextMenuItems(const HTMLMenuElement& menu, ContextMenu& contextMenu) | |
53 { | |
54 HTMLElement* nextElement = Traversal<HTMLElement>::firstWithin(menu); | |
55 while (nextElement) { | |
tkent
2014/08/21 01:34:39
The code doesn't match to the menu construction al
pals
2014/08/25 14:19:41
Done.
| |
56 if (isHTMLMenuElement(*nextElement)) { | |
57 ContextMenu subMenu; | |
58 populateContextMenuItems(*toHTMLMenuElement(nextElement), subMenu); | |
59 contextMenu.appendItem(ContextMenuItem(SubmenuType, ContextMenuItemC ustomTagNoAction, nextElement->fastGetAttribute(labelAttr), &subMenu)); | |
60 nextElement = Traversal<HTMLElement>::nextSibling(*nextElement); | |
61 } else if (isHTMLMenuItemElement(*nextElement)) { | |
62 m_menuItems.append(nextElement); | |
63 contextMenu.appendItem(ContextMenuItem(ActionType, static_cast<Conte xtMenuAction>(ContextMenuItemBaseCustomTag + m_menuItems.size() - 1), nextElemen t->fastGetAttribute(labelAttr))); | |
64 if (ContextMenuItemBaseCustomTag + m_menuItems.size() >= ContextMenu ItemLastCustomTag) | |
65 break; | |
66 nextElement = Traversal<HTMLElement>::next(*nextElement, &menu); | |
67 } else { | |
68 nextElement = Traversal<HTMLElement>::next(*nextElement, &menu); | |
69 } | |
70 } | |
71 } | |
72 | |
73 HTMLElement* CustomContextMenuProvider::menuItemAt(unsigned menuId) | |
74 { | |
75 int itemIndex = menuId - ContextMenuItemBaseCustomTag; | |
76 if (itemIndex < 0 || static_cast<unsigned long>(itemIndex) >= m_menuItems.si ze()) | |
77 return 0; | |
78 return m_menuItems[itemIndex].get(); | |
79 } | |
80 | |
81 } // namespace blink | |
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