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,
  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 "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 "MouseEvent.h"
  47 #include "Node.h"
  48 #include "Page.h"
  49 #include "RenderLayer.h"
  50 #include "RenderObject.h"
  51 #include "ReplaceSelectionCommand.h"
  52 #include "ResourceRequest.h"
  53 #include "SelectionController.h"
  54 #include "Settings.h"
  55 #include "TextIterator.h"
  56 #include "WindowFeatures.h"
  57 #include "markup.h"
  58
  59 namespace WebCore {
  60
  61 ContextMenuController::ContextMenuController(Page* page, ContextMenuClient* client)
  62     : m_page(page)
  63     , m_client(client)
  64     , m_contextMenu(0)
  65 {
  66     ASSERT_ARG(page, page);
  67     ASSERT_ARG(client, client);
  68 }
  69
  70 ContextMenuController::~ContextMenuController()
  71 {
  72     m_client->contextMenuDestroyed();
  73 }
  74
  75 void ContextMenuController::clearContextMenu()
  76 {
  77     m_contextMenu.set(0);
  78 }
  79
  80 void ContextMenuController::handleContextMenuEvent(Event* event)
  81 {
  82     ASSERT(event->type() == eventNames().contextmenuEvent);
  83     if (!event->isMouseEvent())
  84         return;
  85     MouseEvent* mouseEvent = static_cast<MouseEvent*>(event);
  86     IntPoint point = IntPoint(mouseEvent->pageX(), mouseEvent->pageY());
  87     HitTestResult result(point);
  88
  89     if (Frame* frame = event->target()->toNode()->document()->frame()) {
  90         float zoomFactor = frame->pageZoomFactor();
  91         point.setX(static_cast<int>(point.x() * zoomFactor));
  92         point.setY(static_cast<int>(point.y() * zoomFactor));
  93         result = frame->eventHandler()->hitTestResultAtPoint(point, false);
  94     }
  95
  96     if (!result.innerNonSharedNode())
  97         return;
  98
  99     m_contextMenu.set(new ContextMenu(result));
 100     m_contextMenu->populate();
 101     if (m_page->inspectorController()->enabled())
 102         m_contextMenu->addInspectElementItem();
 103
 104     PlatformMenuDescription customMenu = m_client->getCustomMenuFromDefaultItems(m_contextMenu.get());
 105     m_contextMenu->setPlatformDescription(customMenu);
 106
 107     event->setDefaultHandled();
 108 }
 109
 110 static void openNewWindow(const KURL& urlToLoad, Frame* frame)
 111 {
 112     if (Page* oldPage = frame->page()) {
 113         WindowFeatures features;
 114         if (Page* newPage = oldPage->chrome()->createWindow(frame,
 115                 FrameLoadRequest(ResourceRequest(urlToLoad, frame->loader()->outgoingReferrer())), features))
 116             newPage->chrome()->show();
 117     }
 118 }
 119
 120 void ContextMenuController::contextMenuItemSelected(ContextMenuItem* item)
 121 {
 122     ASSERT(item->type() == ActionType || item->type() == CheckableActionType);
 123
 124     if (item->action() >= ContextMenuItemBaseApplicationTag) {
 125         m_client->contextMenuItemSelected(item, m_contextMenu.get());
 126         return;
 127     }
 128
 129     HitTestResult result = m_contextMenu->hitTestResult();
 130     Frame* frame = result.innerNonSharedNode()->document()->frame();
 131     if (!frame)
 132         return;
 133
 134     switch (item->action()) {
 135         case ContextMenuItemTagOpenLinkInNewWindow:
 136             openNewWindow(result.absoluteLinkURL(), frame);
 137             break;
 138         case ContextMenuItemTagDownloadLinkToDisk:
 139             // FIXME: Some day we should be able to do this from within WebCore.
 140             m_client->downloadURL(result.absoluteLinkURL());
 141             break;
 142         case ContextMenuItemTagCopyLinkToClipboard:
 143             frame->editor()->copyURL(result.absoluteLinkURL(), result.textContent());
 144             break;
 145         case ContextMenuItemTagOpenImageInNewWindow:
 146             openNewWindow(result.absoluteImageURL(), frame);
 147             break;
 148         case ContextMenuItemTagDownloadImageToDisk:
 149             // FIXME: Some day we should be able to do this from within WebCore.
 150             m_client->downloadURL(result.absoluteImageURL());
 151             break;
 152         case ContextMenuItemTagCopyImageToClipboard:
 153             // FIXME: The Pasteboard class is not written yet
 154             // For now, call into the client. This is temporary!
 155             frame->editor()->copyImage(result);
 156             break;
 157         case ContextMenuItemTagOpenFrameInNewWindow: {
 158             DocumentLoader* loader = frame->loader()->documentLoader();
 159             if (!loader->unreachableURL().isEmpty())
 160                 openNewWindow(loader->unreachableURL(), frame);
 161             else
 162                 openNewWindow(loader->url(), frame);
 163             break;
 164         }
 165         case ContextMenuItemTagCopy:
 166             frame->editor()->copy();
 167             break;
 168         case ContextMenuItemTagGoBack:
 169             frame->loader()->goBackOrForward(-1);
 170             break;
 171         case ContextMenuItemTagGoForward:
 172             frame->loader()->goBackOrForward(1);
 173             break;
 174         case ContextMenuItemTagStop:
 175             frame->loader()->stop();
 176             break;
 177         case ContextMenuItemTagReload:
 178             frame->loader()->reload();
 179             break;
 180         case ContextMenuItemTagCut:
 181             frame->editor()->cut();
 182             break;
 183         case ContextMenuItemTagPaste:
 184             frame->editor()->paste();
 185             break;
 186 #if PLATFORM(GTK)
 187         case ContextMenuItemTagDelete:
 188             frame->editor()->performDelete();
 189             break;
 190         case ContextMenuItemTagSelectAll:
 191             frame->editor()->command("SelectAll").execute();
 192             break;
 193 #endif
 194         case ContextMenuItemTagSpellingGuess:
 195             ASSERT(frame->selectedText().length());
 196             if (frame->editor()->shouldInsertText(item->title(), frame->selection()->toRange().get(),
 197                 EditorInsertActionPasted)) {
 198                 Document* document = frame->document();
 199                 RefPtr<ReplaceSelectionCommand> command =
 200                     ReplaceSelectionCommand::create(document, createFragmentFromMarkup(document, item->title(), ""),
 201                                                                                    true, false, true);
 202                 applyCommand(command);
 203                 frame->revealSelection(RenderLayer::gAlignToEdgeIfNeeded);
 204             }
 205             break;
 206         case ContextMenuItemTagIgnoreSpelling:
 207             frame->editor()->ignoreSpelling();
 208             break;
 209         case ContextMenuItemTagLearnSpelling:
 210             frame->editor()->learnSpelling();
 211             break;
 212         case ContextMenuItemTagSearchWeb:
 213             m_client->searchWithGoogle(frame);
 214             break;
 215         case ContextMenuItemTagLookUpInDictionary:
 216             // FIXME: Some day we may be able to do this from within WebCore.
 217             m_client->lookUpInDictionary(frame);
 218             break;
 219         case ContextMenuItemTagOpenLink:
 220             if (Frame* targetFrame = result.targetFrame())
 221                 targetFrame->loader()->loadFrameRequestWithFormAndValues(FrameLoadRequest(ResourceRequest(result.absoluteLinkURL(),
 222                     frame->loader()->outgoingReferrer())), false, 0, 0, HashMap<String, String>());
 223             else
 224                 openNewWindow(result.absoluteLinkURL(), frame);
 225             break;
 226         case ContextMenuItemTagBold:
 227             frame->editor()->command("ToggleBold").execute();
 228             break;
 229         case ContextMenuItemTagItalic:
 230             frame->editor()->command("ToggleItalic").execute();
 231             break;
 232         case ContextMenuItemTagUnderline:
 233             frame->editor()->toggleUnderline();
 234             break;
 235         case ContextMenuItemTagOutline:
 236             // We actually never enable this because CSS does not have a way to specify an outline font,
 237             // which may make this difficult to implement. Maybe a special case of text-shadow?
 238             break;
 239         case ContextMenuItemTagStartSpeaking: {
 240             ExceptionCode ec;
 241             RefPtr<Range> selectedRange = frame->selection()->toRange();
 242             if (!selectedRange || selectedRange->collapsed(ec)) {
 243                 Document* document = result.innerNonSharedNode()->document();
 244                 selectedRange = document->createRange();
 245                 selectedRange->selectNode(document->documentElement(), ec);
 246             }
 247             m_client->speak(plainText(selectedRange.get()));
 248             break;
 249         }
 250         case ContextMenuItemTagStopSpeaking:
 251             m_client->stopSpeaking();
 252             break;
 253         case ContextMenuItemTagDefaultDirection:
 254             frame->editor()->setBaseWritingDirection(NaturalWritingDirection);
 255             break;
 256         case ContextMenuItemTagLeftToRight:
 257             frame->editor()->setBaseWritingDirection(LeftToRightWritingDirection);
 258             break;
 259         case ContextMenuItemTagRightToLeft:
 260             frame->editor()->setBaseWritingDirection(RightToLeftWritingDirection);
 261             break;
 262         case ContextMenuItemTagTextDirectionDefault:
 263             frame->editor()->command("MakeTextWritingDirectionNatural").execute();
 264             break;
 265         case ContextMenuItemTagTextDirectionLeftToRight:
 266             frame->editor()->command("MakeTextWritingDirectionLeftToRight").execute();
 267             break;
 268         case ContextMenuItemTagTextDirectionRightToLeft:
 269             frame->editor()->command("MakeTextWritingDirectionRightToLeft").execute();
 270             break;
 271 #if PLATFORM(MAC)
 272         case ContextMenuItemTagSearchInSpotlight:
 273             m_client->searchWithSpotlight();
 274             break;
 275 #endif
 276         case ContextMenuItemTagShowSpellingPanel:
 277             frame->editor()->showSpellingGuessPanel();
 278             break;
 279         case ContextMenuItemTagCheckSpelling:
 280             frame->editor()->advanceToNextMisspelling();
 281             break;
 282         case ContextMenuItemTagCheckSpellingWhileTyping:
 283             frame->editor()->toggleContinuousSpellChecking();
 284             break;
 285 #ifndef BUILDING_ON_TIGER
 286         case ContextMenuItemTagCheckGrammarWithSpelling:
 287             frame->editor()->toggleGrammarChecking();
 288             break;
 289 #endif
 290 #if PLATFORM(MAC)
 291         case ContextMenuItemTagShowFonts:
 292             frame->editor()->showFontPanel();
 293             break;
 294         case ContextMenuItemTagStyles:
 295             frame->editor()->showStylesPanel();
 296             break;
 297         case ContextMenuItemTagShowColors:
 298             frame->editor()->showColorPanel();
 299             break;
 300 #endif
 301         case ContextMenuItemTagInspectElement:
 302             if (Page* page = frame->page())
 303                 page->inspectorController()->inspect(result.innerNonSharedNode());
 304             break;
 305         default:
 306             break;
 307     }
 308 }
 309
 310 } // namespace WebCore