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 "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 "markup.h"

    58 

    59 namespace WebCore {

    60 

    61 using namespace EventNames;

    62 

    63 ContextMenuController::ContextMenuController(Page* page, ContextMenuClient* client)

    64     : m_page(page)

    65     , m_client(client)

    66     , m_contextMenu(0)

    67 {

    68     ASSERT_ARG(page, page);

    69     ASSERT_ARG(client, client);

    70 }

    71 

    72 ContextMenuController::~ContextMenuController()

    73 {

    74     m_client->contextMenuDestroyed();

    75 }

    76 

    77 void ContextMenuController::clearContextMenu()

    78 {

    79     m_contextMenu.set(0);

    80 }

    81 

    82 void ContextMenuController::handleContextMenuEvent(Event* event)

    83 {

    84     ASSERT(event->type() == contextmenuEvent);

    85     if (!event->isMouseEvent())

    86         return;

    87     MouseEvent* mouseEvent = static_cast<MouseEvent*>(event);

    88     IntPoint point = IntPoint(mouseEvent->pageX(), mouseEvent->pageY());

    89     HitTestResult result(point);

    90 

    91     if (Frame* frame = event->target()->toNode()->document()->frame())

    92         result = frame->eventHandler()->hitTestResultAtPoint(point, false);

    93     

    94     if (!result.innerNonSharedNode())

    95         return;

    96 

    97     m_contextMenu.set(new ContextMenu(result));

    98     m_contextMenu->populate();

    99     if (m_page->inspectorController()->enabled())

   100         m_contextMenu->addInspectElementItem();

   101 

   102     PlatformMenuDescription customMenu = m_client->getCustomMenuFromDefaultItems(m_contextMenu.get());

   103     m_contextMenu->setPlatformDescription(customMenu);

   104 

   105     event->setDefaultHandled();

   106 }

   107 

   108 static void openNewWindow(const KURL& urlToLoad, Frame* frame)

   109 {

   110     if (Page* oldPage = frame->page())

   111         if (Page* newPage = oldPage->chrome()->createWindow(frame,

   112                 FrameLoadRequest(ResourceRequest(urlToLoad, frame->loader()->outgoingReferrer()))))

   113             newPage->chrome()->show();

   114 }

   115 

   116 void ContextMenuController::contextMenuItemSelected(ContextMenuItem* item)

   117 {

   118     ASSERT(item->type() == ActionType);

   119 

   120     if (item->action() >= ContextMenuItemBaseApplicationTag) {

   121         m_client->contextMenuItemSelected(item, m_contextMenu.get());

   122         return;

   123     }

   124 

   125     HitTestResult result = m_contextMenu->hitTestResult();

   126     Frame* frame = result.innerNonSharedNode()->document()->frame();

   127     if (!frame)

   128         return;

   129     

   130     switch (item->action()) {

   131         case ContextMenuItemTagOpenLinkInNewWindow: 

   132             openNewWindow(result.absoluteLinkURL(), frame);

   133             break;

   134         case ContextMenuItemTagDownloadLinkToDisk:

   135             // FIXME: Some day we should be able to do this from within WebCore.

   136             m_client->downloadURL(result.absoluteLinkURL());

   137             break;

   138         case ContextMenuItemTagCopyLinkToClipboard:

   139             frame->editor()->copyURL(result.absoluteLinkURL(), result.textContent());

   140             break;

   141         case ContextMenuItemTagOpenImageInNewWindow:

   142             openNewWindow(result.absoluteImageURL(), frame);

   143             break;

   144         case ContextMenuItemTagDownloadImageToDisk:

   145             // FIXME: Some day we should be able to do this from within WebCore.

   146             m_client->downloadURL(result.absoluteImageURL());

   147             break;

   148         case ContextMenuItemTagCopyImageToClipboard:

   149             // FIXME: The Pasteboard class is not written yet

   150             // For now, call into the client. This is temporary!

   151             frame->editor()->copyImage(result);

   152             break;

   153         case ContextMenuItemTagOpenFrameInNewWindow: {

   154             KURL url = frame->loader()->documentLoader()->unreachableURL();

   155             if (frame && url.isEmpty())

   156                 url = frame->loader()->documentLoader()->URL();

   157             openNewWindow(url, frame);

   158             break;

   159         }

   160         case ContextMenuItemTagCopy:

   161             frame->editor()->copy();

   162             break;

   163         case ContextMenuItemTagGoBack:

   164             frame->loader()->goBackOrForward(-1);

   165             break;

   166         case ContextMenuItemTagGoForward:

   167             frame->loader()->goBackOrForward(1);

   168             break;

   169         case ContextMenuItemTagStop:

   170             frame->loader()->stop();

   171             break;

   172         case ContextMenuItemTagReload:

   173             frame->loader()->reload();

   174             break;

   175         case ContextMenuItemTagCut:

   176             frame->editor()->cut();

   177             break;

   178         case ContextMenuItemTagPaste:

   179             frame->editor()->paste();

   180             break;

   181         case ContextMenuItemTagSpellingGuess:

   182             ASSERT(frame->selectedText().length());

   183             if (frame->editor()->shouldInsertText(item->title(), frame->selectionController()->toRange().get(),

   184                 EditorInsertActionPasted)) {

   185                 Document* document = frame->document();

   186                 RefPtr<ReplaceSelectionCommand> command =

   187                     new ReplaceSelectionCommand(document, createFragmentFromMarkup(document, item->title(), ""),

   188                                                                                    true, false, true);

   189                 applyCommand(command);

   190                 frame->revealSelection(RenderLayer::gAlignToEdgeIfNeeded);

   191             }

   192             break;

   193         case ContextMenuItemTagIgnoreSpelling:

   194             frame->editor()->ignoreSpelling();

   195             break;

   196         case ContextMenuItemTagLearnSpelling:

   197             frame->editor()->learnSpelling();

   198             break;

   199         case ContextMenuItemTagSearchWeb:

   200             m_client->searchWithGoogle(frame);

   201             break;

   202         case ContextMenuItemTagLookUpInDictionary:

   203             // FIXME: Some day we may be able to do this from within WebCore.

   204             m_client->lookUpInDictionary(frame);

   205             break;

   206         case ContextMenuItemTagOpenLink:

   207             if (Frame* targetFrame = result.targetFrame())

   208                 targetFrame->loader()->load(FrameLoadRequest(ResourceRequest(result.absoluteLinkURL(), 

   209                     frame->loader()->outgoingReferrer())), false, true, 0, 0, HashMap<String, String>());

   210             else

   211                 openNewWindow(result.absoluteLinkURL(), frame);

   212             break;

   213         case ContextMenuItemTagBold:

   214             frame->editor()->execCommand("ToggleBold");

   215             break;

   216         case ContextMenuItemTagItalic:

   217             frame->editor()->execCommand("ToggleItalic");

   218             break;

   219         case ContextMenuItemTagUnderline:

   220             frame->editor()->toggleUnderline();

   221             break;

   222         case ContextMenuItemTagOutline:

   223             // We actually never enable this because CSS does not have a way to specify an outline font,

   224             // which may make this difficult to implement. Maybe a special case of text-shadow?

   225             break;

   226         case ContextMenuItemTagStartSpeaking: {

   227             ExceptionCode ec;

   228             RefPtr<Range> selectedRange = frame->selectionController()->toRange();

   229             if (!selectedRange || selectedRange->collapsed(ec)) {

   230                 Document* document = result.innerNonSharedNode()->document();

   231                 selectedRange = document->createRange();

   232                 selectedRange->selectNode(document->documentElement(), ec);

   233             }

   234             m_client->speak(plainText(selectedRange.get()));

   235             break;

   236         }

   237         case ContextMenuItemTagStopSpeaking:

   238             m_client->stopSpeaking();

   239             break;

   240         case ContextMenuItemTagDefaultDirection:

   241             frame->editor()->setBaseWritingDirection("inherit");

   242             break;

   243         case ContextMenuItemTagLeftToRight:

   244             frame->editor()->setBaseWritingDirection("ltr");

   245             break;

   246         case ContextMenuItemTagRightToLeft:

   247             frame->editor()->setBaseWritingDirection("rtl");

   248             break;

   249 #if PLATFORM(MAC)

   250         case ContextMenuItemTagSearchInSpotlight:

   251             m_client->searchWithSpotlight();

   252             break;

   253 #endif

   254         case ContextMenuItemTagShowSpellingPanel:

   255             frame->editor()->showSpellingGuessPanel();

   256             break;

   257         case ContextMenuItemTagCheckSpelling:

   258             frame->editor()->advanceToNextMisspelling();

   259             break;

   260         case ContextMenuItemTagCheckSpellingWhileTyping:

   261             frame->editor()->toggleContinuousSpellChecking();

   262             break;

   263 #ifndef BUILDING_ON_TIGER

   264         case ContextMenuItemTagCheckGrammarWithSpelling:

   265             frame->editor()->toggleGrammarChecking();

   266             break;

   267 #endif

   268 #if PLATFORM(MAC)

   269         case ContextMenuItemTagShowFonts:

   270             frame->editor()->showFontPanel();

   271             break;

   272         case ContextMenuItemTagStyles:

   273             frame->editor()->showStylesPanel();

   274             break;

   275         case ContextMenuItemTagShowColors:

   276             frame->editor()->showColorPanel();

   277             break;

   278 #endif

   279         case ContextMenuItemTagInspectElement:

   280             if (Page* page = frame->page())

   281                 page->inspectorController()->inspect(result.innerNonSharedNode());

   282             break;

   283         default:

   284             break;

   285     }

   286 }

   287 

   288 } // namespace WebCore