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/*
* Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FrameLoaderClient_h
#define FrameLoaderClient_h
#include "FrameLoaderTypes.h"
#include "ScrollTypes.h"
#include <wtf/Forward.h>
#include <wtf/Platform.h>
#include <wtf/Vector.h>
typedef class _jobject* jobject;
#if PLATFORM(MAC) && !defined(__OBJC__)
class NSCachedURLResponse;
class NSView;
#endif
namespace WebCore {
class AuthenticationChallenge;
class CachedFrame;
class Color;
class DocumentLoader;
class Element;
class FormState;
class Frame;
class FrameLoader;
class HistoryItem;
class HTMLAppletElement;
class HTMLFrameOwnerElement;
class HTMLPlugInElement;
class IntSize;
class KURL;
class NavigationAction;
class ResourceError;
class ResourceHandle;
class ResourceLoader;
struct ResourceRequest;
class ResourceResponse;
class ScriptString;
class SharedBuffer;
class SubstituteData;
class String;
class Widget;
typedef void (FrameLoader::*FramePolicyFunction)(PolicyAction);
class FrameLoaderClient {
public:
// An inline function cannot be the first non-abstract virtual function declared
// in the class as it results in the vtable being generated as a weak symbol.
// This hurts performance (in Mac OS X at least, when loadig frameworks), so we
// don't want to do it in WebKit.
virtual bool hasHTMLView() const;
virtual ~FrameLoaderClient() { }
virtual void frameLoaderDestroyed() = 0;
virtual bool hasWebView() const = 0; // mainly for assertions
virtual void makeRepresentation(DocumentLoader*) = 0;
virtual void forceLayout() = 0;
virtual void forceLayoutForNonHTML() = 0;
virtual void setCopiesOnScroll() = 0;
virtual void detachedFromParent2() = 0;
virtual void detachedFromParent3() = 0;
virtual void assignIdentifierToInitialRequest(unsigned long identifier, DocumentLoader*, const ResourceRequest&) = 0;
virtual void dispatchWillSendRequest(DocumentLoader*, unsigned long identifier, ResourceRequest&, const ResourceResponse& redirectResponse) = 0;
virtual bool shouldUseCredentialStorage(DocumentLoader*, unsigned long identifier) = 0;
virtual void dispatchDidReceiveAuthenticationChallenge(DocumentLoader*, unsigned long identifier, const AuthenticationChallenge&) = 0;
virtual void dispatchDidCancelAuthenticationChallenge(DocumentLoader*, unsigned long identifier, const AuthenticationChallenge&) = 0;
virtual void dispatchDidReceiveResponse(DocumentLoader*, unsigned long identifier, const ResourceResponse&) = 0;
virtual void dispatchDidReceiveContentLength(DocumentLoader*, unsigned long identifier, int lengthReceived) = 0;
virtual void dispatchDidFinishLoading(DocumentLoader*, unsigned long identifier) = 0;
virtual void dispatchDidFailLoading(DocumentLoader*, unsigned long identifier, const ResourceError&) = 0;
virtual bool dispatchDidLoadResourceFromMemoryCache(DocumentLoader*, const ResourceRequest&, const ResourceResponse&, int length) = 0;
virtual void dispatchDidLoadResourceByXMLHttpRequest(unsigned long identifier, const ScriptString&) = 0;
virtual void dispatchDidHandleOnloadEvents() = 0;
virtual void dispatchDidReceiveServerRedirectForProvisionalLoad() = 0;
virtual void dispatchDidCancelClientRedirect() = 0;
virtual void dispatchWillPerformClientRedirect(const KURL&, double interval, double fireDate) = 0;
virtual void dispatchDidChangeLocationWithinPage() = 0;
virtual void dispatchWillClose() = 0;
virtual void dispatchDidReceiveIcon() = 0;
virtual void dispatchDidStartProvisionalLoad() = 0;
virtual void dispatchDidReceiveTitle(const String& title) = 0;
virtual void dispatchDidCommitLoad() = 0;
virtual void dispatchDidFailProvisionalLoad(const ResourceError&) = 0;
virtual void dispatchDidFailLoad(const ResourceError&) = 0;
virtual void dispatchDidFinishDocumentLoad() = 0;
virtual void dispatchDidFinishLoad() = 0;
virtual void dispatchDidFirstLayout() = 0;
virtual void dispatchDidFirstVisuallyNonEmptyLayout() = 0;
virtual Frame* dispatchCreatePage() = 0;
virtual void dispatchShow() = 0;
virtual void dispatchDecidePolicyForMIMEType(FramePolicyFunction, const String& MIMEType, const ResourceRequest&) = 0;
virtual void dispatchDecidePolicyForNewWindowAction(FramePolicyFunction, const NavigationAction&, const ResourceRequest&, PassRefPtr<FormState>, const String& frameName) = 0;
virtual void dispatchDecidePolicyForNavigationAction(FramePolicyFunction, const NavigationAction&, const ResourceRequest&, PassRefPtr<FormState>) = 0;
virtual void cancelPolicyCheck() = 0;
virtual void dispatchUnableToImplementPolicy(const ResourceError&) = 0;
virtual void dispatchWillSubmitForm(FramePolicyFunction, PassRefPtr<FormState>) = 0;
virtual void dispatchDidLoadMainResource(DocumentLoader*) = 0;
virtual void revertToProvisionalState(DocumentLoader*) = 0;
virtual void setMainDocumentError(DocumentLoader*, const ResourceError&) = 0;
// Maybe these should go into a ProgressTrackerClient some day
virtual void willChangeEstimatedProgress() { }
virtual void didChangeEstimatedProgress() { }
virtual void postProgressStartedNotification() = 0;
virtual void postProgressEstimateChangedNotification() = 0;
virtual void postProgressFinishedNotification() = 0;
virtual void setMainFrameDocumentReady(bool) = 0;
virtual void startDownload(const ResourceRequest&) = 0;
virtual void willChangeTitle(DocumentLoader*) = 0;
virtual void didChangeTitle(DocumentLoader*) = 0;
virtual void committedLoad(DocumentLoader*, const char*, int) = 0;
virtual void finishedLoading(DocumentLoader*) = 0;
virtual void updateGlobalHistory() = 0;
virtual void updateGlobalHistoryRedirectLinks() = 0;
virtual bool shouldGoToHistoryItem(HistoryItem*) const = 0;
virtual ResourceError cancelledError(const ResourceRequest&) = 0;
virtual ResourceError blockedError(const ResourceRequest&) = 0;
virtual ResourceError cannotShowURLError(const ResourceRequest&) = 0;
virtual ResourceError interruptForPolicyChangeError(const ResourceRequest&) = 0;
virtual ResourceError cannotShowMIMETypeError(const ResourceResponse&) = 0;
virtual ResourceError fileDoesNotExistError(const ResourceResponse&) = 0;
virtual ResourceError pluginWillHandleLoadError(const ResourceResponse&) = 0;
virtual bool shouldFallBack(const ResourceError&) = 0;
virtual bool canHandleRequest(const ResourceRequest&) const = 0;
virtual bool canShowMIMEType(const String& MIMEType) const = 0;
virtual bool representationExistsForURLScheme(const String& URLScheme) const = 0;
virtual String generatedMIMETypeForURLScheme(const String& URLScheme) const = 0;
virtual void frameLoadCompleted() = 0;
virtual void saveViewStateToItem(HistoryItem*) = 0;
virtual void restoreViewState() = 0;
virtual void provisionalLoadStarted() = 0;
virtual void didFinishLoad() = 0;
virtual void prepareForDataSourceReplacement() = 0;
virtual PassRefPtr<DocumentLoader> createDocumentLoader(const ResourceRequest&, const SubstituteData&) = 0;
virtual void setTitle(const String& title, const KURL&) = 0;
virtual String userAgent(const KURL&) = 0;
virtual void savePlatformDataToCachedFrame(CachedFrame*) = 0;
virtual void transitionToCommittedFromCachedFrame(CachedFrame*) = 0;
virtual void transitionToCommittedForNewPage() = 0;
virtual bool canCachePage() const = 0;
virtual void download(ResourceHandle*, const ResourceRequest&, const ResourceRequest&, const ResourceResponse&) = 0;
virtual PassRefPtr<Frame> createFrame(const KURL& url, const String& name, HTMLFrameOwnerElement* ownerElement,
const String& referrer, bool allowsScrolling, int marginWidth, int marginHeight) = 0;
virtual PassRefPtr<Widget> createPlugin(const IntSize&, HTMLPlugInElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&, bool loadManually) = 0;
virtual void redirectDataToPlugin(Widget* pluginWidget) = 0;
virtual PassRefPtr<Widget> createJavaAppletWidget(const IntSize&, HTMLAppletElement*, const KURL& baseURL, const Vector<String>& paramNames, const Vector<String>& paramValues) = 0;
virtual ObjectContentType objectContentType(const KURL& url, const String& mimeType) = 0;
virtual String overrideMediaType() const = 0;
virtual void windowObjectCleared() = 0;
virtual void documentElementAvailable() = 0;
virtual void didPerformFirstNavigation() const = 0; // "Navigation" here means a transition from one page to another that ends up in the back/forward list.
#if USE(V8)
virtual void didCreateScriptContext() = 0;
virtual void didDestroyScriptContext() = 0;
#endif
virtual void registerForIconNotification(bool listen = true) = 0;
#if PLATFORM(MAC)
#if ENABLE(MAC_JAVA_BRIDGE)
virtual jobject javaApplet(NSView*) { return 0; }
#endif
virtual NSCachedURLResponse* willCacheResponse(DocumentLoader*, unsigned long identifier, NSCachedURLResponse*) const = 0;
#endif
#if USE(CFNETWORK)
virtual bool shouldCacheResponse(DocumentLoader*, unsigned long identifier, const ResourceResponse&, const unsigned char* data, unsigned long long length) = 0;
#endif
virtual bool shouldUsePluginDocument(const String& /*mimeType*/) const { return false; }
};
} // namespace WebCore
#endif // FrameLoaderClient_h
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