1 /* 2 * Copyright (C) 2009 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY 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 31 #ifndef FrameLoaderClientImpl_h 32 #define FrameLoaderClientImpl_h 33 34 // FIXME: remove this relative path once consumers from glue are removed. 35 #include "../public/WebNavigationPolicy.h" 36 #include "FrameLoaderClient.h" 37 #include "KURL.h" 38 #include <wtf/PassOwnPtr.h> 39 #include <wtf/RefPtr.h> 40 41 42 namespace WebKit { 43 44 class WebFrameImpl; 45 class WebPluginContainerImpl; 46 class WebPluginLoadObserver; 47 48 class FrameLoaderClientImpl : public WebCore::FrameLoaderClient { 49 public: 50 FrameLoaderClientImpl(WebFrameImpl* webFrame); 51 ~FrameLoaderClientImpl(); 52 53 WebFrameImpl* webFrame() const { return m_webFrame; } 54 55 // WebCore::FrameLoaderClient ---------------------------------------------- 56 57 virtual void frameLoaderDestroyed(); 58 59 // Notifies the WebView delegate that the JS window object has been cleared, 60 // giving it a chance to bind native objects to the window before script 61 // parsing begins. 62 virtual void dispatchDidClearWindowObjectInWorld(WebCore::DOMWrapperWorld*); 63 virtual void documentElementAvailable(); 64 65 // A frame's V8 context was created or destroyed. 66 virtual void didCreateScriptContextForFrame(); 67 virtual void didDestroyScriptContextForFrame(); 68 69 // A context untied to a frame was created (through evaluateInIsolatedWorld). 70 // This context is not tied to the lifetime of its frame, and is destroyed 71 // in garbage collection. 72 virtual void didCreateIsolatedScriptContext(); 73 74 virtual bool hasWebView() const; 75 virtual bool hasFrameView() const; 76 virtual void makeRepresentation(WebCore::DocumentLoader*); 77 virtual void forceLayout(); 78 virtual void forceLayoutForNonHTML(); 79 virtual void setCopiesOnScroll(); 80 virtual void detachedFromParent2(); 81 virtual void detachedFromParent3(); 82 virtual void assignIdentifierToInitialRequest(unsigned long identifier, WebCore::DocumentLoader*, const WebCore::ResourceRequest&); 83 virtual void dispatchWillSendRequest(WebCore::DocumentLoader*, unsigned long identifier, WebCore::ResourceRequest&, const WebCore::ResourceResponse& redirectResponse); 84 virtual bool shouldUseCredentialStorage(WebCore::DocumentLoader*, unsigned long identifier); 85 virtual void dispatchDidReceiveAuthenticationChallenge(WebCore::DocumentLoader*, unsigned long identifier, const WebCore::AuthenticationChallenge&); 86 virtual void dispatchDidCancelAuthenticationChallenge(WebCore::DocumentLoader*, unsigned long identifier, const WebCore::AuthenticationChallenge&); 87 virtual void dispatchDidReceiveResponse(WebCore::DocumentLoader*, unsigned long identifier, const WebCore::ResourceResponse&); 88 virtual void dispatchDidReceiveContentLength(WebCore::DocumentLoader*, unsigned long identifier, int lengthReceived); 89 virtual void dispatchDidFinishLoading(WebCore::DocumentLoader*, unsigned long identifier); 90 virtual void dispatchDidFailLoading(WebCore::DocumentLoader*, unsigned long identifier, const WebCore::ResourceError&); 91 virtual bool dispatchDidLoadResourceFromMemoryCache(WebCore::DocumentLoader*, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&, int length); 92 virtual void dispatchDidLoadResourceByXMLHttpRequest(unsigned long identifier, const WebCore::ScriptString&); 93 virtual void dispatchDidHandleOnloadEvents(); 94 virtual void dispatchDidReceiveServerRedirectForProvisionalLoad(); 95 virtual void dispatchDidCancelClientRedirect(); 96 virtual void dispatchWillPerformClientRedirect(const WebCore::KURL&, double interval, double fireDate); 97 virtual void dispatchDidChangeLocationWithinPage(); 98 virtual void dispatchDidPushStateWithinPage(); 99 virtual void dispatchDidReplaceStateWithinPage(); 100 virtual void dispatchDidPopStateWithinPage(); 101 virtual void dispatchWillClose(); 102 virtual void dispatchDidReceiveIcon(); 103 virtual void dispatchDidStartProvisionalLoad(); 104 virtual void dispatchDidReceiveTitle(const WebCore::String& title); 105 virtual void dispatchDidCommitLoad(); 106 virtual void dispatchDidFailProvisionalLoad(const WebCore::ResourceError&); 107 virtual void dispatchDidFailLoad(const WebCore::ResourceError&); 108 virtual void dispatchDidFinishDocumentLoad(); 109 virtual void dispatchDidFinishLoad(); 110 virtual void dispatchDidFirstLayout(); 111 virtual void dispatchDidFirstVisuallyNonEmptyLayout(); 112 virtual WebCore::Frame* dispatchCreatePage(); 113 virtual void dispatchShow(); 114 virtual void dispatchDecidePolicyForMIMEType(WebCore::FramePolicyFunction function, const WebCore::String& mime_type, const WebCore::ResourceRequest&); 115 virtual void dispatchDecidePolicyForNewWindowAction(WebCore::FramePolicyFunction function, const WebCore::NavigationAction& action, const WebCore::ResourceRequest& request, PassRefPtr<WebCore::FormState> form_state, const WebCore::String& frame_name); 116 virtual void dispatchDecidePolicyForNavigationAction(WebCore::FramePolicyFunction function, const WebCore::NavigationAction& action, const WebCore::ResourceRequest& request, PassRefPtr<WebCore::FormState> form_state); 117 virtual void cancelPolicyCheck(); 118 virtual void dispatchUnableToImplementPolicy(const WebCore::ResourceError&); 119 virtual void dispatchWillSubmitForm(WebCore::FramePolicyFunction, PassRefPtr<WebCore::FormState>); 120 virtual void dispatchDidLoadMainResource(WebCore::DocumentLoader*); 121 virtual void revertToProvisionalState(WebCore::DocumentLoader*); 122 virtual void setMainDocumentError(WebCore::DocumentLoader*, const WebCore::ResourceError&); 123 virtual void willChangeEstimatedProgress() { } 124 virtual void didChangeEstimatedProgress() { } 125 virtual void postProgressStartedNotification(); 126 virtual void postProgressEstimateChangedNotification(); 127 virtual void postProgressFinishedNotification(); 128 virtual void setMainFrameDocumentReady(bool); 129 virtual void startDownload(const WebCore::ResourceRequest&); 130 virtual void willChangeTitle(WebCore::DocumentLoader*); 131 virtual void didChangeTitle(WebCore::DocumentLoader*); 132 virtual void committedLoad(WebCore::DocumentLoader*, const char*, int); 133 virtual void finishedLoading(WebCore::DocumentLoader*); 134 virtual void updateGlobalHistory(); 135 virtual void updateGlobalHistoryRedirectLinks(); 136 virtual bool shouldGoToHistoryItem(WebCore::HistoryItem*) const; 137 virtual void dispatchDidAddBackForwardItem(WebCore::HistoryItem*) const; 138 virtual void dispatchDidRemoveBackForwardItem(WebCore::HistoryItem*) const; 139 virtual void dispatchDidChangeBackForwardIndex() const; 140 virtual void didDisplayInsecureContent(); 141 virtual void didRunInsecureContent(WebCore::SecurityOrigin*); 142 virtual WebCore::ResourceError blockedError(const WebCore::ResourceRequest&); 143 virtual WebCore::ResourceError cancelledError(const WebCore::ResourceRequest&); 144 virtual WebCore::ResourceError cannotShowURLError(const WebCore::ResourceRequest&); 145 virtual WebCore::ResourceError interruptForPolicyChangeError(const WebCore::ResourceRequest&); 146 virtual WebCore::ResourceError cannotShowMIMETypeError(const WebCore::ResourceResponse&); 147 virtual WebCore::ResourceError fileDoesNotExistError(const WebCore::ResourceResponse&); 148 virtual WebCore::ResourceError pluginWillHandleLoadError(const WebCore::ResourceResponse&); 149 virtual bool shouldFallBack(const WebCore::ResourceError&); 150 virtual bool canHandleRequest(const WebCore::ResourceRequest&) const; 151 virtual bool canShowMIMEType(const WebCore::String& MIMEType) const; 152 virtual bool representationExistsForURLScheme(const WebCore::String& URLScheme) const; 153 virtual WebCore::String generatedMIMETypeForURLScheme(const WebCore::String& URLScheme) const; 154 virtual void frameLoadCompleted(); 155 virtual void saveViewStateToItem(WebCore::HistoryItem*); 156 virtual void restoreViewState(); 157 virtual void provisionalLoadStarted(); 158 virtual void didFinishLoad(); 159 virtual void prepareForDataSourceReplacement(); 160 virtual PassRefPtr<WebCore::DocumentLoader> createDocumentLoader( 161 const WebCore::ResourceRequest&, const WebCore::SubstituteData&); 162 virtual void setTitle(const WebCore::String& title, const WebCore::KURL&); 163 virtual WebCore::String userAgent(const WebCore::KURL&); 164 virtual void savePlatformDataToCachedFrame(WebCore::CachedFrame*); 165 virtual void transitionToCommittedFromCachedFrame(WebCore::CachedFrame*); 166 virtual void transitionToCommittedForNewPage(); 167 virtual bool canCachePage() const; 168 virtual void download( 169 WebCore::ResourceHandle*, const WebCore::ResourceRequest&, 170 const WebCore::ResourceRequest& initialRequest, 171 const WebCore::ResourceResponse&); 172 virtual PassRefPtr<WebCore::Frame> createFrame( 173 const WebCore::KURL& url, const WebCore::String& name, 174 WebCore::HTMLFrameOwnerElement* ownerElement, 175 const WebCore::String& referrer, bool allowsScrolling, 176 int marginWidth, int marginHeight); 177 virtual PassRefPtr<WebCore::Widget> createPlugin( 178 const WebCore::IntSize&, WebCore::HTMLPlugInElement*, const WebCore::KURL&, 179 const Vector<WebCore::String>&, const Vector<WebCore::String>&, 180 const WebCore::String&, bool loadManually); 181 virtual void redirectDataToPlugin(WebCore::Widget* pluginWidget); 182 virtual PassRefPtr<WebCore::Widget> createJavaAppletWidget( 183 const WebCore::IntSize&, 184 WebCore::HTMLAppletElement*, 185 const WebCore::KURL& /* base_url */, 186 const Vector<WebCore::String>& paramNames, 187 const Vector<WebCore::String>& paramValues); 188 virtual WebCore::ObjectContentType objectContentType( 189 const WebCore::KURL& url, const WebCore::String& mimeType); 190 virtual WebCore::String overrideMediaType() const; 191 virtual void didPerformFirstNavigation() const; 192 virtual void registerForIconNotification(bool listen = true); 193 virtual void didChangeScrollOffset(); 194 virtual bool allowJavaScript(bool enabledPerSettings); 195 virtual bool allowPlugins(bool enabledPerSettings); 196 virtual bool allowImages(bool enabledPerSettings); 197 198 private: 199 void makeDocumentView(); 200 201 // Given a NavigationAction, determine the associated WebNavigationPolicy. 202 // For example, a middle click means "open in background tab". 203 static bool actionSpecifiesNavigationPolicy( 204 const WebCore::NavigationAction& action, WebNavigationPolicy* policy); 205 206 // Called when a dummy back-forward navigation is intercepted. 207 void handleBackForwardNavigation(const WebCore::KURL&); 208 209 PassOwnPtr<WebPluginLoadObserver> pluginLoadObserver(); 210 211 // The WebFrame that owns this object and manages its lifetime. Therefore, 212 // the web frame object is guaranteed to exist. 213 WebFrameImpl* m_webFrame; 214 215 // True if makeRepresentation was called. We don't actually have a concept 216 // of a "representation", but we need to know when we're expected to have one. 217 // See finishedLoading(). 218 bool m_hasRepresentation; 219 220 // Used to help track client redirects. When a provisional load starts, it 221 // has no redirects in its chain. But in the case of client redirects, we want 222 // to add that initial load as a redirect. When we get a new provisional load 223 // and the dest URL matches that load, we know that it was the result of a 224 // previous client redirect and the source should be added as a redirect. 225 // Both should be empty if unused. 226 WebCore::KURL m_expectedClientRedirectSrc; 227 WebCore::KURL m_expectedClientRedirectDest; 228 229 // Contains a pointer to the plugin widget. 230 RefPtr<WebPluginContainerImpl> m_pluginWidget; 231 232 // Indicates if we need to send over the initial notification to the plugin 233 // which specifies that the plugin should be ready to accept data. 234 bool m_sentInitialResponseToPlugin; 235 236 // The navigation policy to use for the next call to dispatchCreatePage. 237 WebNavigationPolicy m_nextNavigationPolicy; 238 }; 239 240 } // namespace WebKit 241 242 #endif 243
