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/Event.h" 32 #include "core/dom/MouseEvent.h" 33 #include "core/dom/Node.h" 34 #include "core/page/ContextMenuClient.h" 35 #include "core/page/ContextMenuProvider.h" 36 #include "core/page/EventHandler.h" 37 #include "core/page/Frame.h" 38 #include "core/platform/ContextMenu.h" 39 #include "core/platform/ContextMenuItem.h" 40 #include "core/rendering/HitTestResult.h" 41 42 namespace WebCore { 43 44 ContextMenuController::ContextMenuController(Page* page, ContextMenuClient* client) 45 : m_page(page) 46 , m_client(client) 47 { 48 ASSERT_ARG(page, page); 49 ASSERT_ARG(client, client); 50 } 51 52 ContextMenuController::~ContextMenuController() 53 { 54 } 55 56 PassOwnPtr<ContextMenuController> ContextMenuController::create(Page* page, ContextMenuClient* client) 57 { 58 return adoptPtr(new ContextMenuController(page, client)); 59 } 60 61 void ContextMenuController::clearContextMenu() 62 { 63 m_contextMenu.clear(); 64 if (m_menuProvider) 65 m_menuProvider->contextMenuCleared(); 66 m_menuProvider = 0; 67 } 68 69 void ContextMenuController::handleContextMenuEvent(Event* event) 70 { 71 m_contextMenu = createContextMenu(event); 72 if (!m_contextMenu) 73 return; 74 75 showContextMenu(event); 76 } 77 78 void ContextMenuController::showContextMenu(Event* event, PassRefPtr<ContextMenuProvider> menuProvider) 79 { 80 m_menuProvider = menuProvider; 81 82 m_contextMenu = createContextMenu(event); 83 if (!m_contextMenu) { 84 clearContextMenu(); 85 return; 86 } 87 88 m_menuProvider->populateContextMenu(m_contextMenu.get()); 89 showContextMenu(event); 90 } 91 92 PassOwnPtr<ContextMenu> ContextMenuController::createContextMenu(Event* event) 93 { 94 ASSERT(event); 95 96 if (!event->isMouseEvent()) 97 return nullptr; 98 99 MouseEvent* mouseEvent = toMouseEvent(event); 100 HitTestResult result(mouseEvent->absoluteLocation()); 101 102 if (Frame* frame = event->target()->toNode()->document()->frame()) 103 result = frame->eventHandler()->hitTestResultAtPoint(mouseEvent->absoluteLocation(), HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::DisallowShadowContent); 104 105 if (!result.innerNonSharedNode()) 106 return nullptr; 107 108 m_hitTestResult = result; 109 110 return adoptPtr(new ContextMenu); 111 } 112 113 void ContextMenuController::showContextMenu(Event* event) 114 { 115 m_client->showContextMenu(m_contextMenu.get()); 116 event->setDefaultHandled(); 117 } 118 119 void ContextMenuController::contextMenuItemSelected(const ContextMenuItem* item) 120 { 121 ASSERT(item->type() == ActionType || item->type() == CheckableActionType); 122 123 if (item->action() < ContextMenuItemBaseCustomTag || item->action() > ContextMenuItemLastCustomTag) 124 return; 125 126 ASSERT(m_menuProvider); 127 m_menuProvider->contextMenuItemSelected(item); 128 } 129 130 } // namespace WebCore 131