WebCore/page/ContextMenuController.cpp

   1 /*
   2  * Copyright (C) 2006, 2007 Apple 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,
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  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 "ContextMenuController.h"
  28
  29 #include "Chrome.h"
  30 #include "ContextMenu.h"
  31 #include "ContextMenuClient.h"
  32 #include "Document.h"
  33 #include "DocumentFragment.h"
  34 #include "DocumentLoader.h"
  35 #include "Editor.h"
  36 #include "EditorClient.h"
  37 #include "Event.h"
  38 #include "EventHandler.h"
  39 #include "EventNames.h"
  40 #include "Frame.h"
  41 #include "FrameLoader.h"
  42 #include "FrameLoadRequest.h"
  43 #include "HitTestRequest.h"
  44 #include "HitTestResult.h"
  45 #include "InspectorController.h"
  46 #include "KURL.h"
  47 #include "MouseEvent.h"
  48 #include "Node.h"
  49 #include "Page.h"
  50 #include "RenderLayer.h"
  51 #include "RenderObject.h"
  52 #include "ReplaceSelectionCommand.h"
  53 #include "ResourceRequest.h"
  54 #include "SelectionController.h"
  55 #include "Settings.h"
  56 #include "TextIterator.h"
  57 #include "WindowFeatures.h"
  58 #include "markup.h"
  59
  60 namespace WebCore {
  61
  62 using namespace EventNames;
  63
  64 ContextMenuController::ContextMenuController(Page* page, ContextMenuClient* client)
  65     : m_page(page)
  66     , m_client(client)
  67     , m_contextMenu(0)
  68 {
  69     ASSERT_ARG(page, page);
  70     ASSERT_ARG(client, client);
  71 }
  72
  73 ContextMenuController::~ContextMenuController()
  74 {
  75     m_client->contextMenuDestroyed();
  76 }
  77
  78 void ContextMenuController::clearContextMenu()
  79 {
  80     m_contextMenu.set(0);
  81 }
  82
  83 void ContextMenuController::handleContextMenuEvent(Event* event)
  84 {
  85     ASSERT(event->type() == contextmenuEvent);
  86     if (!event->isMouseEvent())
  87         return;
  88     MouseEvent* mouseEvent = static_cast<MouseEvent*>(event);
  89     IntPoint point = IntPoint(mouseEvent->pageX(), mouseEvent->pageY());
  90     HitTestResult result(point);
  91
  92     if (Frame* frame = event->target()->toNode()->document()->frame())
  93         result = frame->eventHandler()->hitTestResultAtPoint(point, false);
  94
  95     if (!result.innerNonSharedNode())
  96         return;
  97
  98     m_contextMenu.set(new ContextMenu(result));
  99     m_contextMenu->populate();
 100     if (m_page->inspectorController()->enabled())
 101         m_contextMenu->addInspectElementItem();
 102
 103     PlatformMenuDescription customMenu = m_client->getCustomMenuFromDefaultItems(m_contextMenu.get());
 104     m_contextMenu->setPlatformDescription(customMenu);
 105
 106     event->setDefaultHandled();
 107 }
 108
 109 static void openNewWindow(const KURL& urlToLoad, Frame* frame)
 110 {
 111     if (Page* oldPage = frame->page()) {
 112         WindowFeatures features;
 113         if (Page* newPage = oldPage->chrome()->createWindow(frame,
 114                 FrameLoadRequest(ResourceRequest(urlToLoad, frame->loader()->outgoingReferrer())), features))
 115             newPage->chrome()->show();
 116     }
 117 }
 118
 119 void ContextMenuController::contextMenuItemSelected(ContextMenuItem* item)
 120 {
 121     ASSERT(item->type() == ActionType);
 122
 123     if (item->action() >= ContextMenuItemBaseApplicationTag) {
 124         m_client->contextMenuItemSelected(item, m_contextMenu.get());
 125         return;
 126     }
 127
 128     HitTestResult result = m_contextMenu->hitTestResult();
 129     Frame* frame = result.innerNonSharedNode()->document()->frame();
 130     if (!frame)
 131         return;
 132
 133     switch (item->action()) {
 134         case ContextMenuItemTagOpenLinkInNewWindow:
 135             openNewWindow(result.absoluteLinkURL(), frame);
 136             break;
 137         case ContextMenuItemTagDownloadLinkToDisk:
 138             // FIXME: Some day we should be able to do this from within WebCore.
 139             m_client->downloadURL(result.absoluteLinkURL());
 140             break;
 141         case ContextMenuItemTagCopyLinkToClipboard:
 142             frame->editor()->copyURL(result.absoluteLinkURL(), result.textContent());
 143             break;
 144         case ContextMenuItemTagOpenImageInNewWindow:
 145             openNewWindow(result.absoluteImageURL(), frame);
 146             break;
 147         case ContextMenuItemTagDownloadImageToDisk:
 148             // FIXME: Some day we should be able to do this from within WebCore.
 149             m_client->downloadURL(result.absoluteImageURL());
 150             break;
 151         case ContextMenuItemTagCopyImageToClipboard:
 152             // FIXME: The Pasteboard class is not written yet
 153             // For now, call into the client. This is temporary!
 154             frame->editor()->copyImage(result);
 155             break;
 156         case ContextMenuItemTagOpenFrameInNewWindow: {
 157             KURL url = frame->loader()->documentLoader()->unreachableURL();
 158             if (frame && url.isEmpty())
 159                 url = frame->loader()->documentLoader()->URL();
 160             openNewWindow(url, frame);
 161             break;
 162         }
 163         case ContextMenuItemTagCopy:
 164             frame->editor()->copy();
 165             break;
 166         case ContextMenuItemTagGoBack:
 167             frame->loader()->goBackOrForward(-1);
 168             break;
 169         case ContextMenuItemTagGoForward:
 170             frame->loader()->goBackOrForward(1);
 171             break;
 172         case ContextMenuItemTagStop:
 173             frame->loader()->stop();
 174             break;
 175         case ContextMenuItemTagReload:
 176             frame->loader()->reload();
 177             break;
 178         case ContextMenuItemTagCut:
 179             frame->editor()->cut();
 180             break;
 181         case ContextMenuItemTagPaste:
 182             frame->editor()->paste();
 183             break;
 184         case ContextMenuItemTagSpellingGuess:
 185             ASSERT(frame->selectedText().length());
 186             if (frame->editor()->shouldInsertText(item->title(), frame->selectionController()->toRange().get(),
 187                 EditorInsertActionPasted)) {
 188                 Document* document = frame->document();
 189                 RefPtr<ReplaceSelectionCommand> command =
 190                     new ReplaceSelectionCommand(document, createFragmentFromMarkup(document, item->title(), ""),
 191                                                                                    true, false, true);
 192                 applyCommand(command);
 193                 frame->revealSelection(RenderLayer::gAlignToEdgeIfNeeded);
 194             }
 195             break;
 196         case ContextMenuItemTagIgnoreSpelling:
 197             frame->editor()->ignoreSpelling();
 198             break;
 199         case ContextMenuItemTagLearnSpelling:
 200             frame->editor()->learnSpelling();
 201             break;
 202         case ContextMenuItemTagSearchWeb:
 203             m_client->searchWithGoogle(frame);
 204             break;
 205         case ContextMenuItemTagLookUpInDictionary:
 206             // FIXME: Some day we may be able to do this from within WebCore.
 207             m_client->lookUpInDictionary(frame);
 208             break;
 209         case ContextMenuItemTagOpenLink:
 210             if (Frame* targetFrame = result.targetFrame())
 211                 targetFrame->loader()->load(FrameLoadRequest(ResourceRequest(result.absoluteLinkURL(),
 212                     frame->loader()->outgoingReferrer())), false, true, 0, 0, HashMap<String, String>());
 213             else
 214                 openNewWindow(result.absoluteLinkURL(), frame);
 215             break;
 216         case ContextMenuItemTagBold:
 217             frame->editor()->execCommand("ToggleBold");
 218             break;
 219         case ContextMenuItemTagItalic:
 220             frame->editor()->execCommand("ToggleItalic");
 221             break;
 222         case ContextMenuItemTagUnderline:
 223             frame->editor()->toggleUnderline();
 224             break;
 225         case ContextMenuItemTagOutline:
 226             // We actually never enable this because CSS does not have a way to specify an outline font,
 227             // which may make this difficult to implement. Maybe a special case of text-shadow?
 228             break;
 229         case ContextMenuItemTagStartSpeaking: {
 230             ExceptionCode ec;
 231             RefPtr<Range> selectedRange = frame->selectionController()->toRange();
 232             if (!selectedRange || selectedRange->collapsed(ec)) {
 233                 Document* document = result.innerNonSharedNode()->document();
 234                 selectedRange = document->createRange();
 235                 selectedRange->selectNode(document->documentElement(), ec);
 236             }
 237             m_client->speak(plainText(selectedRange.get()));
 238             break;
 239         }
 240         case ContextMenuItemTagStopSpeaking:
 241             m_client->stopSpeaking();
 242             break;
 243         case ContextMenuItemTagDefaultDirection:
 244             frame->editor()->setBaseWritingDirection("inherit");
 245             break;
 246         case ContextMenuItemTagLeftToRight:
 247             frame->editor()->setBaseWritingDirection("ltr");
 248             break;
 249         case ContextMenuItemTagRightToLeft:
 250             frame->editor()->setBaseWritingDirection("rtl");
 251             break;
 252 #if PLATFORM(MAC)
 253         case ContextMenuItemTagSearchInSpotlight:
 254             m_client->searchWithSpotlight();
 255             break;
 256 #endif
 257         case ContextMenuItemTagShowSpellingPanel:
 258             frame->editor()->showSpellingGuessPanel();
 259             break;
 260         case ContextMenuItemTagCheckSpelling:
 261             frame->editor()->advanceToNextMisspelling();
 262             break;
 263         case ContextMenuItemTagCheckSpellingWhileTyping:
 264             frame->editor()->toggleContinuousSpellChecking();
 265             break;
 266 #ifndef BUILDING_ON_TIGER
 267         case ContextMenuItemTagCheckGrammarWithSpelling:
 268             frame->editor()->toggleGrammarChecking();
 269             break;
 270 #endif
 271 #if PLATFORM(MAC)
 272         case ContextMenuItemTagShowFonts:
 273             frame->editor()->showFontPanel();
 274             break;
 275         case ContextMenuItemTagStyles:
 276             frame->editor()->showStylesPanel();
 277             break;
 278         case ContextMenuItemTagShowColors:
 279             frame->editor()->showColorPanel();
 280             break;
 281 #endif
 282         case ContextMenuItemTagInspectElement:
 283             if (Page* page = frame->page())
 284                 page->inspectorController()->inspect(result.innerNonSharedNode());
 285             break;
 286         default:
 287             break;
 288     }
 289 }
 290
 291 } // namespace WebCore