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      1 /*
      2  * Copyright (C) 2006 Zack Rusin <zack (at) kde.org>
      3  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
      4  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
      5  * Copyright (C) 2008 Collabora Ltd. All rights reserved.
      6  *
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     22  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     23  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     25  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     26  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 #ifndef FrameLoaderClientQt_H
     31 #define FrameLoaderClientQt_H
     32 
     33 #include <qobject.h>
     34 #include <QUrl>
     35 
     36 #include "FrameLoaderClient.h"
     37 #include "KURL.h"
     38 #include "Frame.h"
     39 #include "FrameLoader.h"
     40 #include "RefCounted.h"
     41 #include "ResourceResponse.h"
     42 #include "PluginView.h"
     43 class QWebFrame;
     44 
     45 namespace WebCore {
     46 
     47     class AuthenticationChallenge;
     48     class DocumentLoader;
     49     class Element;
     50     class FormState;
     51     class NavigationAction;
     52     class String;
     53     class ResourceLoader;
     54 
     55     struct LoadErrorResetToken;
     56 
     57     class FrameLoaderClientQt : public QObject, public FrameLoaderClient {
     58         Q_OBJECT
     59 
     60         friend class ::QWebFrame;
     61         void callPolicyFunction(FramePolicyFunction function, PolicyAction action);
     62         void callErrorPageExtension(const ResourceError&);
     63     signals:
     64         void loadStarted();
     65         void loadProgress(int d);
     66         void loadFinished(bool);
     67         void titleChanged(const QString& title);
     68 
     69     public:
     70         FrameLoaderClientQt();
     71         ~FrameLoaderClientQt();
     72         virtual void frameLoaderDestroyed();
     73 
     74         void setFrame(QWebFrame* webFrame, Frame* frame);
     75         QWebFrame* webFrame() const;
     76 
     77         virtual bool hasWebView() const; // mainly for assertions
     78 
     79         virtual void makeRepresentation(DocumentLoader*);
     80         virtual void forceLayout();
     81         virtual void forceLayoutForNonHTML();
     82 
     83         virtual void setCopiesOnScroll();
     84 
     85         virtual void detachedFromParent2();
     86         virtual void detachedFromParent3();
     87 
     88         virtual void assignIdentifierToInitialRequest(unsigned long identifier, WebCore::DocumentLoader*, const WebCore::ResourceRequest&);
     89 
     90         virtual void dispatchWillSendRequest(WebCore::DocumentLoader*, unsigned long, WebCore::ResourceRequest&, const WebCore::ResourceResponse&);
     91         virtual bool shouldUseCredentialStorage(DocumentLoader*, unsigned long identifier);
     92         virtual void dispatchDidReceiveAuthenticationChallenge(DocumentLoader*, unsigned long identifier, const AuthenticationChallenge&);
     93         virtual void dispatchDidCancelAuthenticationChallenge(DocumentLoader*, unsigned long identifier, const AuthenticationChallenge&);
     94         virtual void dispatchDidReceiveResponse(WebCore::DocumentLoader*, unsigned long, const WebCore::ResourceResponse&);
     95         virtual void dispatchDidReceiveContentLength(WebCore::DocumentLoader*, unsigned long, int);
     96         virtual void dispatchDidFinishLoading(WebCore::DocumentLoader*, unsigned long);
     97         virtual void dispatchDidFailLoading(WebCore::DocumentLoader*, unsigned long, const WebCore::ResourceError&);
     98         virtual bool dispatchDidLoadResourceFromMemoryCache(WebCore::DocumentLoader*, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&, int);
     99         virtual void dispatchDidLoadResourceByXMLHttpRequest(unsigned long identifier, const WebCore::ScriptString& sourceString);
    100 
    101         virtual void dispatchDidHandleOnloadEvents();
    102         virtual void dispatchDidReceiveServerRedirectForProvisionalLoad();
    103         virtual void dispatchDidCancelClientRedirect();
    104         virtual void dispatchWillPerformClientRedirect(const KURL&, double interval, double fireDate);
    105         virtual void dispatchDidChangeLocationWithinPage();
    106         virtual void dispatchDidPushStateWithinPage();
    107         virtual void dispatchDidReplaceStateWithinPage();
    108         virtual void dispatchDidPopStateWithinPage();
    109         virtual void dispatchWillClose();
    110         virtual void dispatchDidReceiveIcon();
    111         virtual void dispatchDidStartProvisionalLoad();
    112         virtual void dispatchDidReceiveTitle(const String& title);
    113         virtual void dispatchDidCommitLoad();
    114         virtual void dispatchDidFailProvisionalLoad(const ResourceError&);
    115         virtual void dispatchDidFailLoad(const WebCore::ResourceError&);
    116         virtual void dispatchDidFinishDocumentLoad();
    117         virtual void dispatchDidFinishLoad();
    118         virtual void dispatchDidFirstLayout();
    119         virtual void dispatchDidFirstVisuallyNonEmptyLayout();
    120 
    121         virtual WebCore::Frame* dispatchCreatePage();
    122         virtual void dispatchShow();
    123 
    124         virtual void dispatchDecidePolicyForMIMEType(FramePolicyFunction function, const WebCore::String&, const WebCore::ResourceRequest&);
    125         virtual void dispatchDecidePolicyForNewWindowAction(FramePolicyFunction function, const WebCore::NavigationAction&, const WebCore::ResourceRequest&, PassRefPtr<FormState>, const WebCore::String&);
    126         virtual void dispatchDecidePolicyForNavigationAction(FramePolicyFunction function, const WebCore::NavigationAction&, const WebCore::ResourceRequest&, PassRefPtr<FormState>);
    127         virtual void cancelPolicyCheck();
    128 
    129         virtual void dispatchUnableToImplementPolicy(const WebCore::ResourceError&);
    130 
    131         virtual void dispatchWillSubmitForm(FramePolicyFunction, PassRefPtr<FormState>);
    132 
    133         virtual void dispatchDidLoadMainResource(DocumentLoader*);
    134         virtual void revertToProvisionalState(DocumentLoader*);
    135         virtual void setMainDocumentError(DocumentLoader*, const ResourceError&);
    136 
    137         virtual void postProgressStartedNotification();
    138         virtual void postProgressEstimateChangedNotification();
    139         virtual void postProgressFinishedNotification();
    140 
    141         virtual void setMainFrameDocumentReady(bool);
    142 
    143         virtual void startDownload(const WebCore::ResourceRequest&);
    144 
    145         virtual void willChangeTitle(DocumentLoader*);
    146         virtual void didChangeTitle(DocumentLoader*);
    147 
    148         virtual void committedLoad(WebCore::DocumentLoader*, const char*, int);
    149         virtual void finishedLoading(DocumentLoader*);
    150 
    151         virtual void updateGlobalHistory();
    152         virtual void updateGlobalHistoryRedirectLinks();
    153         virtual bool shouldGoToHistoryItem(HistoryItem*) const;
    154         virtual void dispatchDidAddBackForwardItem(HistoryItem*) const;
    155         virtual void dispatchDidRemoveBackForwardItem(HistoryItem*) const;
    156         virtual void dispatchDidChangeBackForwardIndex() const;
    157         virtual void didDisplayInsecureContent();
    158         virtual void didRunInsecureContent(SecurityOrigin*);
    159 
    160         virtual ResourceError cancelledError(const ResourceRequest&);
    161         virtual ResourceError blockedError(const ResourceRequest&);
    162         virtual ResourceError cannotShowURLError(const ResourceRequest&);
    163         virtual ResourceError interruptForPolicyChangeError(const ResourceRequest&);
    164 
    165         virtual ResourceError cannotShowMIMETypeError(const ResourceResponse&);
    166         virtual ResourceError fileDoesNotExistError(const ResourceResponse&);
    167         virtual ResourceError pluginWillHandleLoadError(const ResourceResponse&);
    168 
    169         virtual bool shouldFallBack(const ResourceError&);
    170 
    171         virtual bool canHandleRequest(const WebCore::ResourceRequest&) const;
    172         virtual bool canShowMIMEType(const String& MIMEType) const;
    173         virtual bool representationExistsForURLScheme(const String& URLScheme) const;
    174         virtual String generatedMIMETypeForURLScheme(const String& URLScheme) const;
    175 
    176         virtual void frameLoadCompleted();
    177         virtual void saveViewStateToItem(WebCore::HistoryItem*);
    178         virtual void restoreViewState();
    179         virtual void provisionalLoadStarted();
    180         virtual void didFinishLoad();
    181         virtual void prepareForDataSourceReplacement();
    182 
    183         virtual WTF::PassRefPtr<WebCore::DocumentLoader> createDocumentLoader(const WebCore::ResourceRequest&, const WebCore::SubstituteData&);
    184         virtual void setTitle(const String& title, const KURL&);
    185 
    186         virtual String userAgent(const WebCore::KURL&);
    187 
    188         virtual void savePlatformDataToCachedFrame(WebCore::CachedFrame*);
    189         virtual void transitionToCommittedFromCachedFrame(WebCore::CachedFrame*);
    190         virtual void transitionToCommittedForNewPage();
    191 
    192         virtual bool canCachePage() const;
    193         virtual void download(WebCore::ResourceHandle*, const WebCore::ResourceRequest&, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&);
    194 
    195         virtual PassRefPtr<Frame> createFrame(const KURL& url, const String& name, HTMLFrameOwnerElement* ownerElement,
    196                                    const String& referrer, bool allowsScrolling, int marginWidth, int marginHeight) ;
    197         virtual PassRefPtr<Widget> createPlugin(const IntSize&, HTMLPlugInElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&, bool);
    198         virtual void redirectDataToPlugin(Widget* pluginWidget);
    199 
    200         virtual PassRefPtr<Widget> createJavaAppletWidget(const IntSize&, HTMLAppletElement*, const KURL& baseURL, const Vector<String>& paramNames, const Vector<String>& paramValues);
    201 
    202         virtual ObjectContentType objectContentType(const KURL& url, const String& mimeType);
    203         virtual String overrideMediaType() const;
    204 
    205         virtual void dispatchDidClearWindowObjectInWorld(DOMWrapperWorld*);
    206         virtual void documentElementAvailable();
    207         virtual void didPerformFirstNavigation() const;
    208 
    209         virtual void registerForIconNotification(bool);
    210 
    211         QString chooseFile(const QString& oldFile);
    212 
    213     private:
    214         Frame *m_frame;
    215         QWebFrame *m_webFrame;
    216         ResourceResponse m_response;
    217         bool m_firstData;
    218 
    219         // Plugin view to redirect data to
    220         WebCore::PluginView* m_pluginView;
    221         bool m_hasSentResponseToPlugin;
    222 
    223         ResourceError m_loadError;
    224     };
    225 
    226 }
    227 
    228 #endif
    229