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/*
* Copyright (C) 2006, 2007, 2008, 2009, 2010 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/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 DOMWrapperWorld;
class DocumentLoader;
class Element;
class FormState;
class Frame;
class FrameLoader;
class FrameNetworkingContext;
class HistoryItem;
class HTMLAppletElement;
class HTMLFormElement;
class HTMLFrameOwnerElement;
#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)
class HTMLMediaElement;
#endif
class HTMLPlugInElement;
class IntSize;
class KURL;
class NavigationAction;
class ProtectionSpace;
class PluginView;
class PolicyChecker;
class ResourceError;
class ResourceHandle;
class ResourceLoader;
class ResourceRequest;
class ResourceResponse;
class ScriptString;
class SecurityOrigin;
class SharedBuffer;
class SubstituteData;
class Widget;
typedef void (PolicyChecker::*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;
#if USE(PROTECTION_SPACE_AUTH_CALLBACK)
virtual bool canAuthenticateAgainstProtectionSpace(DocumentLoader*, unsigned long identifier, const ProtectionSpace&) = 0;
#endif
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 dispatchDidHandleOnloadEvents() = 0;
virtual void dispatchDidReceiveServerRedirectForProvisionalLoad() = 0;
virtual void dispatchDidCancelClientRedirect() = 0;
virtual void dispatchWillPerformClientRedirect(const KURL&, double interval, double fireDate) = 0;
virtual void dispatchDidNavigateWithinPage() { }
virtual void dispatchDidChangeLocationWithinPage() = 0;
virtual void dispatchDidPushStateWithinPage() = 0;
virtual void dispatchDidReplaceStateWithinPage() = 0;
virtual void dispatchDidPopStateWithinPage() = 0;
virtual void dispatchWillClose() = 0;
virtual void dispatchDidReceiveIcon() = 0;
virtual void dispatchDidStartProvisionalLoad() = 0;
virtual void dispatchDidReceiveTitle(const String& title) = 0;
virtual void dispatchDidChangeIcons() = 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 dispatchWillSendSubmitEvent(HTMLFormElement*) = 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 void dispatchDidAddBackForwardItem(HistoryItem*) const = 0;
virtual void dispatchDidRemoveBackForwardItem(HistoryItem*) const = 0;
virtual void dispatchDidChangeBackForwardIndex() const = 0;
// This frame has displayed inactive content (such as an image) from an
// insecure source. Inactive content cannot spread to other frames.
virtual void didDisplayInsecureContent() = 0;
// The indicated security origin has run active content (such as a
// script) from an insecure source. Note that the insecure content can
// spread to other frames in the same origin.
virtual void didRunInsecureContent(SecurityOrigin*) = 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 void didTransferChildFrameToNewDocument() = 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 void dispatchDidFailToStartPlugin(const PluginView*) const { }
#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)
virtual PassRefPtr<Widget> createMediaPlayerProxyPlugin(const IntSize&, HTMLMediaElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&) = 0;
virtual void hideMediaPlayerProxyPlugin(Widget*) = 0;
virtual void showMediaPlayerProxyPlugin(Widget*) = 0;
#endif
virtual ObjectContentType objectContentType(const KURL& url, const String& mimeType) = 0;
virtual String overrideMediaType() const = 0;
virtual void dispatchDidClearWindowObjectInWorld(DOMWrapperWorld*) = 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 didCreateScriptContextForFrame() = 0;
virtual void didDestroyScriptContextForFrame() = 0;
virtual void didCreateIsolatedScriptContext() = 0;
#endif
virtual void registerForIconNotification(bool listen = true) = 0;
#ifdef ANDROID_APPLE_TOUCH_ICON
virtual void dispatchDidReceiveTouchIconURL(const String& url, bool precomposed) = 0;
#endif
#if PLATFORM(MAC)
#if ENABLE(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; }
virtual bool shouldLoadMediaElementURL(const KURL&) const { return true; }
virtual void didChangeScrollOffset() { }
virtual bool allowJavaScript(bool enabledPerSettings) { return enabledPerSettings; }
virtual bool allowPlugins(bool enabledPerSettings) { return enabledPerSettings; }
virtual bool allowImages(bool enabledPerSettings) { return enabledPerSettings; }
// This callback notifies the client that the frame was about to run
// JavaScript but did not because allowJavaScript returned false. We
// have a separate callback here because there are a number of places
// that need to know if JavaScript is enabled but are not necessarily
// preparing to execute script.
virtual void didNotAllowScript() { }
// This callback is similar, but for plugins.
virtual void didNotAllowPlugins() { }
virtual PassRefPtr<FrameNetworkingContext> createNetworkingContext() = 0;
};
} // namespace WebCore
#endif // FrameLoaderClient_h
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