1 /* 2 * Copyright (C) 2006 Zack Rusin <zack (at) kde.org> 3 * Copyright (C) 2006, 2011 Apple 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 34 #include "Frame.h" 35 #include "FrameLoader.h" 36 #include "FrameLoaderClient.h" 37 #include "KURL.h" 38 #include <wtf/OwnPtr.h> 39 #include "PluginView.h" 40 #include "RefCounted.h" 41 #include "ResourceError.h" 42 #include "ResourceResponse.h" 43 #include <QUrl> 44 #include <qobject.h> 45 #include <wtf/Forward.h> 46 class QWebFrame; 47 48 namespace WebCore { 49 50 class AuthenticationChallenge; 51 class DocumentLoader; 52 class Element; 53 class FormState; 54 class NavigationAction; 55 class FrameNetworkingContext; 56 class ResourceLoader; 57 58 struct LoadErrorResetToken; 59 60 class FrameLoaderClientQt : public QObject, public FrameLoaderClient { 61 Q_OBJECT 62 63 friend class ::QWebFrame; 64 void callPolicyFunction(FramePolicyFunction function, PolicyAction action); 65 void callErrorPageExtension(const ResourceError&); 66 signals: 67 void loadStarted(); 68 void loadProgress(int d); 69 void loadFinished(bool); 70 void titleChanged(const QString& title); 71 72 public: 73 FrameLoaderClientQt(); 74 ~FrameLoaderClientQt(); 75 virtual void frameLoaderDestroyed(); 76 77 void setFrame(QWebFrame* webFrame, Frame* frame); 78 79 virtual bool hasWebView() const; // mainly for assertions 80 81 virtual void makeRepresentation(DocumentLoader*); 82 virtual void forceLayout(); 83 virtual void forceLayoutForNonHTML(); 84 85 virtual void setCopiesOnScroll(); 86 87 virtual void detachedFromParent2(); 88 virtual void detachedFromParent3(); 89 90 virtual void assignIdentifierToInitialRequest(unsigned long identifier, WebCore::DocumentLoader*, const WebCore::ResourceRequest&); 91 92 virtual void dispatchWillSendRequest(WebCore::DocumentLoader*, unsigned long, WebCore::ResourceRequest&, const WebCore::ResourceResponse&); 93 virtual bool shouldUseCredentialStorage(DocumentLoader*, unsigned long identifier); 94 virtual void dispatchDidReceiveAuthenticationChallenge(DocumentLoader*, unsigned long identifier, const AuthenticationChallenge&); 95 virtual void dispatchDidCancelAuthenticationChallenge(DocumentLoader*, unsigned long identifier, const AuthenticationChallenge&); 96 virtual void dispatchDidReceiveResponse(WebCore::DocumentLoader*, unsigned long, const WebCore::ResourceResponse&); 97 virtual void dispatchDidReceiveContentLength(WebCore::DocumentLoader*, unsigned long, int); 98 virtual void dispatchDidFinishLoading(WebCore::DocumentLoader*, unsigned long); 99 virtual void dispatchDidFailLoading(WebCore::DocumentLoader*, unsigned long, const WebCore::ResourceError&); 100 virtual bool dispatchDidLoadResourceFromMemoryCache(WebCore::DocumentLoader*, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&, int); 101 102 virtual void dispatchDidHandleOnloadEvents(); 103 virtual void dispatchDidReceiveServerRedirectForProvisionalLoad(); 104 virtual void dispatchDidCancelClientRedirect(); 105 virtual void dispatchWillPerformClientRedirect(const KURL&, double interval, double fireDate); 106 virtual void dispatchDidChangeLocationWithinPage(); 107 virtual void dispatchDidPushStateWithinPage(); 108 virtual void dispatchDidReplaceStateWithinPage(); 109 virtual void dispatchDidPopStateWithinPage(); 110 virtual void dispatchWillClose(); 111 virtual void dispatchDidReceiveIcon(); 112 virtual void dispatchDidStartProvisionalLoad(); 113 virtual void dispatchDidReceiveTitle(const StringWithDirection&); 114 virtual void dispatchDidChangeIcons(); 115 virtual void dispatchDidCommitLoad(); 116 virtual void dispatchDidFailProvisionalLoad(const ResourceError&); 117 virtual void dispatchDidFailLoad(const WebCore::ResourceError&); 118 virtual void dispatchDidFinishDocumentLoad(); 119 virtual void dispatchDidFinishLoad(); 120 virtual void dispatchDidFirstLayout(); 121 virtual void dispatchDidFirstVisuallyNonEmptyLayout(); 122 123 virtual WebCore::Frame* dispatchCreatePage(const WebCore::NavigationAction&); 124 virtual void dispatchShow(); 125 126 virtual void dispatchDecidePolicyForResponse(FramePolicyFunction function, const WebCore::ResourceResponse&, const WebCore::ResourceRequest&); 127 virtual void dispatchDecidePolicyForNewWindowAction(FramePolicyFunction function, const WebCore::NavigationAction&, const WebCore::ResourceRequest&, PassRefPtr<FormState>, const WTF::String&); 128 virtual void dispatchDecidePolicyForNavigationAction(FramePolicyFunction function, const WebCore::NavigationAction&, const WebCore::ResourceRequest&, PassRefPtr<FormState>); 129 virtual void cancelPolicyCheck(); 130 131 virtual void dispatchUnableToImplementPolicy(const WebCore::ResourceError&); 132 133 virtual void dispatchWillSendSubmitEvent(HTMLFormElement*) { } 134 virtual void dispatchWillSubmitForm(FramePolicyFunction, PassRefPtr<FormState>); 135 136 virtual void dispatchDidLoadMainResource(DocumentLoader*); 137 virtual void revertToProvisionalState(DocumentLoader*); 138 virtual void setMainDocumentError(DocumentLoader*, const ResourceError&); 139 140 virtual void postProgressStartedNotification(); 141 virtual void postProgressEstimateChangedNotification(); 142 virtual void postProgressFinishedNotification(); 143 144 virtual void setMainFrameDocumentReady(bool); 145 146 virtual void startDownload(const WebCore::ResourceRequest&); 147 148 virtual void willChangeTitle(DocumentLoader*); 149 virtual void didChangeTitle(DocumentLoader*); 150 151 virtual void committedLoad(WebCore::DocumentLoader*, const char*, int); 152 virtual void finishedLoading(DocumentLoader*); 153 154 virtual void updateGlobalHistory(); 155 virtual void updateGlobalHistoryRedirectLinks(); 156 virtual bool shouldGoToHistoryItem(HistoryItem*) const; 157 virtual bool shouldStopLoadingForHistoryItem(HistoryItem*) const; 158 virtual void dispatchDidAddBackForwardItem(HistoryItem*) const; 159 virtual void dispatchDidRemoveBackForwardItem(HistoryItem*) const; 160 virtual void dispatchDidChangeBackForwardIndex() const; 161 virtual void didDisplayInsecureContent(); 162 virtual void didRunInsecureContent(SecurityOrigin*, const KURL&); 163 164 virtual ResourceError cancelledError(const ResourceRequest&); 165 virtual ResourceError blockedError(const ResourceRequest&); 166 virtual ResourceError cannotShowURLError(const ResourceRequest&); 167 virtual ResourceError interruptForPolicyChangeError(const ResourceRequest&); 168 169 virtual ResourceError cannotShowMIMETypeError(const ResourceResponse&); 170 virtual ResourceError fileDoesNotExistError(const ResourceResponse&); 171 virtual ResourceError pluginWillHandleLoadError(const ResourceResponse&); 172 173 virtual bool shouldFallBack(const ResourceError&); 174 175 virtual bool canHandleRequest(const WebCore::ResourceRequest&) const; 176 virtual bool canShowMIMEType(const String& MIMEType) const; 177 virtual bool canShowMIMETypeAsHTML(const String& MIMEType) const; 178 virtual bool representationExistsForURLScheme(const String& URLScheme) const; 179 virtual String generatedMIMETypeForURLScheme(const String& URLScheme) const; 180 181 virtual void frameLoadCompleted(); 182 virtual void saveViewStateToItem(WebCore::HistoryItem*); 183 virtual void restoreViewState(); 184 virtual void provisionalLoadStarted(); 185 virtual void didFinishLoad(); 186 virtual void prepareForDataSourceReplacement(); 187 188 virtual WTF::PassRefPtr<WebCore::DocumentLoader> createDocumentLoader(const WebCore::ResourceRequest&, const WebCore::SubstituteData&); 189 virtual void setTitle(const StringWithDirection&, const KURL&); 190 191 virtual String userAgent(const WebCore::KURL&); 192 193 virtual void savePlatformDataToCachedFrame(WebCore::CachedFrame*); 194 virtual void transitionToCommittedFromCachedFrame(WebCore::CachedFrame*); 195 virtual void transitionToCommittedForNewPage(); 196 197 virtual void didSaveToPageCache(); 198 virtual void didRestoreFromPageCache(); 199 200 virtual void dispatchDidBecomeFrameset(bool); 201 202 virtual bool canCachePage() const; 203 virtual void download(WebCore::ResourceHandle*, const WebCore::ResourceRequest&, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&); 204 205 virtual PassRefPtr<Frame> createFrame(const KURL& url, const String& name, HTMLFrameOwnerElement* ownerElement, 206 const String& referrer, bool allowsScrolling, int marginWidth, int marginHeight); 207 virtual void didTransferChildFrameToNewDocument(WebCore::Page*); 208 virtual void transferLoadingResourceFromPage(unsigned long, WebCore::DocumentLoader*, const WebCore::ResourceRequest&, WebCore::Page*); 209 virtual PassRefPtr<Widget> createPlugin(const IntSize&, HTMLPlugInElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&, bool); 210 virtual void redirectDataToPlugin(Widget* pluginWidget); 211 212 virtual PassRefPtr<Widget> createJavaAppletWidget(const IntSize&, HTMLAppletElement*, const KURL& baseURL, const Vector<String>& paramNames, const Vector<String>& paramValues); 213 214 virtual ObjectContentType objectContentType(const KURL&, const String& mimeTypeIn, bool shouldPreferPlugInsForImages); 215 virtual String overrideMediaType() const; 216 217 virtual void dispatchDidClearWindowObjectInWorld(DOMWrapperWorld*); 218 virtual void documentElementAvailable(); 219 virtual void didPerformFirstNavigation() const; 220 221 #if USE(V8) 222 // A frame's V8 context was created or destroyed. 223 virtual void didCreateScriptContextForFrame(); 224 virtual void didDestroyScriptContextForFrame(); 225 226 // A context untied to a frame was created (through evaluateInIsolatedWorld). 227 // This context is not tied to the lifetime of its frame, and is destroyed 228 // in garbage collection. 229 virtual void didCreateIsolatedScriptContext(); 230 231 // Returns true if we should allow the given V8 extension to be added to 232 // the script context at the currently loading page and given extension group. 233 virtual bool allowScriptExtension(const String& extensionName, int extensionGroup) { return false; } 234 #endif 235 236 virtual void registerForIconNotification(bool); 237 238 QString chooseFile(const QString& oldFile); 239 240 virtual PassRefPtr<FrameNetworkingContext> createNetworkingContext(); 241 242 const KURL& lastRequestedUrl() const { return m_lastRequestedUrl; } 243 244 static bool dumpFrameLoaderCallbacks; 245 static bool dumpUserGestureInFrameLoaderCallbacks; 246 static bool dumpResourceLoadCallbacks; 247 static bool dumpResourceResponseMIMETypes; 248 static QString dumpResourceLoadCallbacksPath; 249 static bool sendRequestReturnsNullOnRedirect; 250 static bool sendRequestReturnsNull; 251 static QStringList sendRequestClearHeaders; 252 static bool policyDelegateEnabled; 253 static bool policyDelegatePermissive; 254 static bool deferMainResourceDataLoad; 255 static bool dumpHistoryCallbacks; 256 static QMap<QString, QString> URLsToRedirect; 257 258 private slots: 259 void onIconLoadedForPageURL(const QString&); 260 261 private: 262 Frame *m_frame; 263 QWebFrame *m_webFrame; 264 ResourceResponse m_response; 265 266 // Plugin view to redirect data to 267 WebCore::PluginView* m_pluginView; 268 bool m_hasSentResponseToPlugin; 269 270 // True if makeRepresentation was called. We don't actually have a concept 271 // of a "representation", but we need to know when we're expected to have one. 272 // See finishedLoading(). 273 bool m_hasRepresentation; 274 275 KURL m_lastRequestedUrl; 276 ResourceError m_loadError; 277 }; 278 279 } 280 281 #endif 282
