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| 1 /* | |
| 2 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. | |
| 3 * Copyright (C) 2010 Igalia S.L | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions | |
| 7 * are met: | |
| 8 * 1. Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 * notice, this list of conditions and the following disclaimer in the | |
| 12 * documentation and/or other materials provided with the distribution. | |
| 13 * | |
| 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 25 */ | |
| 26 | |
| 27 #include "config.h" | |
| 28 #include "core/page/ContextMenuController.h" | |
| 29 | |
| 30 #include "core/dom/Document.h" | |
| 31 #include "core/dom/Node.h" | |
| 32 #include "core/events/Event.h" | |
| 33 #include "core/events/MouseEvent.h" | |
| 34 #include "core/events/RelatedEvent.h" | |
| 35 #include "core/frame/LocalFrame.h" | |
| 36 #include "core/page/ContextMenuClient.h" | |
| 37 #include "core/page/ContextMenuProvider.h" | |
| 38 #include "core/page/EventHandler.h" | |
| 39 #include "platform/ContextMenu.h" | |
| 40 #include "platform/ContextMenuItem.h" | |
| 41 | |
| 42 namespace blink { | |
| 43 | |
| 44 ContextMenuController::ContextMenuController(Page*, ContextMenuClient* client) | |
| 45 : m_client(client) | |
| 46 { | |
| 47 ASSERT_ARG(client, client); | |
| 48 } | |
| 49 | |
| 50 ContextMenuController::~ContextMenuController() | |
| 51 { | |
| 52 } | |
| 53 | |
| 54 PassOwnPtrWillBeRawPtr<ContextMenuController> ContextMenuController::create(Page
* page, ContextMenuClient* client) | |
| 55 { | |
| 56 return adoptPtrWillBeNoop(new ContextMenuController(page, client)); | |
| 57 } | |
| 58 | |
| 59 void ContextMenuController::trace(Visitor* visitor) | |
| 60 { | |
| 61 visitor->trace(m_hitTestResult); | |
| 62 } | |
| 63 | |
| 64 void ContextMenuController::clearContextMenu() | |
| 65 { | |
| 66 m_contextMenu.clear(); | |
| 67 if (m_menuProvider) | |
| 68 m_menuProvider->contextMenuCleared(); | |
| 69 m_menuProvider = nullptr; | |
| 70 m_client->clearContextMenu(); | |
| 71 m_hitTestResult = HitTestResult(); | |
| 72 } | |
| 73 | |
| 74 void ContextMenuController::documentDetached(Document* document) | |
| 75 { | |
| 76 if (Node* innerNode = m_hitTestResult.innerNode()) { | |
| 77 // Invalidate the context menu info if its target document is detached. | |
| 78 if (innerNode->document() == document) | |
| 79 clearContextMenu(); | |
| 80 } | |
| 81 } | |
| 82 | |
| 83 void ContextMenuController::handleContextMenuEvent(Event* event) | |
| 84 { | |
| 85 m_contextMenu = createContextMenu(event); | |
| 86 if (!m_contextMenu) | |
| 87 return; | |
| 88 showContextMenu(event); | |
| 89 } | |
| 90 | |
| 91 void ContextMenuController::showContextMenu(Event* event, PassRefPtr<ContextMenu
Provider> menuProvider) | |
| 92 { | |
| 93 m_menuProvider = menuProvider; | |
| 94 | |
| 95 m_contextMenu = createContextMenu(event); | |
| 96 if (!m_contextMenu) { | |
| 97 clearContextMenu(); | |
| 98 return; | |
| 99 } | |
| 100 | |
| 101 m_menuProvider->populateContextMenu(m_contextMenu.get()); | |
| 102 showContextMenu(event); | |
| 103 } | |
| 104 | |
| 105 void ContextMenuController::showContextMenuAtPoint(LocalFrame* frame, float x, f
loat y, PassRefPtr<ContextMenuProvider> menuProvider) | |
| 106 { | |
| 107 m_menuProvider = menuProvider; | |
| 108 | |
| 109 LayoutPoint location(x, y); | |
| 110 m_contextMenu = createContextMenu(frame, location); | |
| 111 if (!m_contextMenu) { | |
| 112 clearContextMenu(); | |
| 113 return; | |
| 114 } | |
| 115 | |
| 116 m_menuProvider->populateContextMenu(m_contextMenu.get()); | |
| 117 showContextMenu(nullptr); | |
| 118 } | |
| 119 | |
| 120 PassOwnPtr<ContextMenu> ContextMenuController::createContextMenu(Event* event) | |
| 121 { | |
| 122 ASSERT(event); | |
| 123 | |
| 124 if (!event->isMouseEvent()) | |
| 125 return nullptr; | |
| 126 | |
| 127 MouseEvent* mouseEvent = toMouseEvent(event); | |
| 128 return createContextMenu(event->target()->toNode()->document().frame(), mous
eEvent->absoluteLocation()); | |
| 129 } | |
| 130 | |
| 131 PassOwnPtr<ContextMenu> ContextMenuController::createContextMenu(LocalFrame* fra
me, const LayoutPoint& location) | |
| 132 { | |
| 133 HitTestResult result(location); | |
| 134 | |
| 135 if (frame) | |
| 136 result = frame->eventHandler().hitTestResultAtPoint(location, HitTestReq
uest::ReadOnly | HitTestRequest::Active); | |
| 137 | |
| 138 if (!result.innerNonSharedNode()) | |
| 139 return nullptr; | |
| 140 | |
| 141 m_hitTestResult = result; | |
| 142 | |
| 143 return adoptPtr(new ContextMenu); | |
| 144 } | |
| 145 | |
| 146 void ContextMenuController::showContextMenu(Event* event) | |
| 147 { | |
| 148 m_client->showContextMenu(m_contextMenu.get()); | |
| 149 if (event) | |
| 150 event->setDefaultHandled(); | |
| 151 } | |
| 152 | |
| 153 void ContextMenuController::contextMenuItemSelected(const ContextMenuItem* item) | |
| 154 { | |
| 155 ASSERT(item->type() == ActionType || item->type() == CheckableActionType); | |
| 156 | |
| 157 if (item->action() < ContextMenuItemBaseCustomTag || item->action() > Contex
tMenuItemLastCustomTag) | |
| 158 return; | |
| 159 | |
| 160 ASSERT(m_menuProvider); | |
| 161 m_menuProvider->contextMenuItemSelected(item); | |
| 162 } | |
| 163 | |
| 164 } // namespace blink | |
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