394 lines
17 KiB
Objective-C
394 lines
17 KiB
Objective-C
/*
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* Copyright (C) 2006-2020 Apple Inc. All rights reserved.
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* Copyright (C) 2012 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "CertificateInfo.h"
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#include "FrameIdentifier.h"
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#include "FrameLoaderTypes.h"
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#include "LayoutMilestone.h"
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#include "LinkIcon.h"
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#include "PageIdentifier.h"
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#include "RegistrableDomain.h"
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#include <wtf/Expected.h>
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#include <wtf/Forward.h>
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#include <wtf/WallTime.h>
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#include <wtf/text/WTFString.h>
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#if ENABLE(APPLICATION_MANIFEST)
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#include "ApplicationManifest.h"
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#endif
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#if ENABLE(CONTENT_FILTERING)
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#include "ContentFilterUnblockHandler.h"
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#endif
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#if PLATFORM(COCOA)
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#ifdef __OBJC__
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#import <Foundation/Foundation.h>
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typedef id RemoteAXObjectRef;
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#else
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typedef void* RemoteAXObjectRef;
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#endif
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#endif
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#if PLATFORM(COCOA)
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OBJC_CLASS NSArray;
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OBJC_CLASS NSCachedURLResponse;
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OBJC_CLASS NSDictionary;
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OBJC_CLASS NSView;
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#endif
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namespace WebCore {
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class AuthenticationChallenge;
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class CachedFrame;
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class CachedResourceRequest;
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class Color;
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class DOMWindow;
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class DOMWindowExtension;
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class DOMWrapperWorld;
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class DocumentLoader;
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class Element;
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class FormState;
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class Frame;
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class FrameLoader;
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class FrameNetworkingContext;
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class HTMLFormElement;
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class HTMLFrameOwnerElement;
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class HTMLPlugInElement;
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class HistoryItem;
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class IntSize;
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class LegacyPreviewLoaderClient;
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class MessageEvent;
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class NavigationAction;
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class Page;
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class PluginViewBase;
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class ProtectionSpace;
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class RegistrableDomain;
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class RTCPeerConnectionHandler;
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class ResourceError;
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class ResourceHandle;
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class ResourceRequest;
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class ResourceResponse;
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class SecurityOrigin;
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class SharedBuffer;
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class SubstituteData;
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class Widget;
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enum class LockBackForwardList : bool;
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enum class PolicyDecisionMode;
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enum class UsedLegacyTLS : bool;
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struct StringWithDirection;
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typedef WTF::Function<void (PolicyAction, PolicyCheckIdentifier)> FramePolicyFunction;
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class WEBCORE_EXPORT FrameLoaderClient {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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// An inline function cannot be the first non-abstract virtual function declared
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// in the class as it results in the vtable being generated as a weak symbol.
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// This hurts performance (in Mac OS X at least, when loading frameworks), so we
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// don't want to do it in WebKit.
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virtual bool hasHTMLView() const;
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virtual ~FrameLoaderClient() = default;
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virtual bool hasWebView() const = 0; // mainly for assertions
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virtual void makeRepresentation(DocumentLoader*) = 0;
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virtual std::optional<PageIdentifier> pageID() const = 0;
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virtual std::optional<FrameIdentifier> frameID() const = 0;
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#if PLATFORM(IOS_FAMILY)
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// Returns true if the client forced the layout.
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virtual bool forceLayoutOnRestoreFromBackForwardCache() = 0;
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#endif
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virtual void forceLayoutForNonHTML() = 0;
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virtual void setCopiesOnScroll() = 0;
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virtual void detachedFromParent2() = 0;
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virtual void detachedFromParent3() = 0;
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virtual void assignIdentifierToInitialRequest(unsigned long identifier, DocumentLoader*, const ResourceRequest&) = 0;
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virtual void dispatchWillSendRequest(DocumentLoader*, unsigned long identifier, ResourceRequest&, const ResourceResponse& redirectResponse) = 0;
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virtual bool shouldUseCredentialStorage(DocumentLoader*, unsigned long identifier) = 0;
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virtual void dispatchDidReceiveAuthenticationChallenge(DocumentLoader*, unsigned long identifier, const AuthenticationChallenge&) = 0;
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#if USE(PROTECTION_SPACE_AUTH_CALLBACK)
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virtual bool canAuthenticateAgainstProtectionSpace(DocumentLoader*, unsigned long identifier, const ProtectionSpace&) = 0;
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#endif
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virtual bool dispatchDidReceiveInvalidCertificate(DocumentLoader*, const CertificateInfo&, const char* message) = 0;
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#if PLATFORM(IOS_FAMILY)
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virtual RetainPtr<CFDictionaryRef> connectionProperties(DocumentLoader*, unsigned long identifier) = 0;
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#endif
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virtual void dispatchDidReceiveResponse(DocumentLoader*, unsigned long identifier, const ResourceResponse&) = 0;
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virtual void dispatchDidReceiveContentLength(DocumentLoader*, unsigned long identifier, int dataLength) = 0;
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virtual void dispatchDidFinishLoading(DocumentLoader*, unsigned long identifier) = 0;
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virtual void dispatchDidFailLoading(DocumentLoader*, unsigned long identifier, const ResourceError&) = 0;
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virtual bool dispatchDidLoadResourceFromMemoryCache(DocumentLoader*, const ResourceRequest&, const ResourceResponse&, int length) = 0;
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virtual void dispatchDidDispatchOnloadEvents() = 0;
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virtual void dispatchDidReceiveServerRedirectForProvisionalLoad() = 0;
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virtual void dispatchDidChangeProvisionalURL() { }
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virtual void dispatchDidCancelClientRedirect() = 0;
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virtual void dispatchWillPerformClientRedirect(const URL&, double interval, WallTime fireDate, LockBackForwardList) = 0;
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virtual void dispatchDidChangeMainDocument() { }
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virtual void dispatchWillChangeDocument(const URL&, const URL&) { }
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virtual void dispatchDidNavigateWithinPage() { }
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virtual void dispatchDidChangeLocationWithinPage() = 0;
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virtual void dispatchDidPushStateWithinPage() = 0;
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virtual void dispatchDidReplaceStateWithinPage() = 0;
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virtual void dispatchDidPopStateWithinPage() = 0;
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virtual void dispatchWillClose() = 0;
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virtual void dispatchDidReceiveIcon() { }
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virtual void dispatchDidStartProvisionalLoad() = 0;
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virtual void dispatchDidReceiveTitle(const StringWithDirection&) = 0;
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virtual void dispatchDidCommitLoad(std::optional<HasInsecureContent>, std::optional<UsedLegacyTLS>) = 0;
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virtual void dispatchDidFailProvisionalLoad(const ResourceError&, WillContinueLoading) = 0;
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virtual void dispatchDidFailLoad(const ResourceError&) = 0;
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virtual void dispatchDidFinishDocumentLoad() = 0;
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virtual void dispatchDidFinishLoad() = 0;
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virtual void dispatchDidExplicitOpen(const URL&, const String& /* mimeType */) { }
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#if ENABLE(DATA_DETECTION)
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virtual void dispatchDidFinishDataDetection(NSArray *detectionResults) = 0;
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#endif
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virtual void dispatchDidLayout() { }
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virtual void dispatchDidReachLayoutMilestone(OptionSet<LayoutMilestone>) { }
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virtual void dispatchDidReachVisuallyNonEmptyState() { }
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virtual Frame* dispatchCreatePage(const NavigationAction&, NewFrameOpenerPolicy) = 0;
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virtual void dispatchShow() = 0;
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virtual void dispatchDecidePolicyForResponse(const ResourceResponse&, const ResourceRequest&, PolicyCheckIdentifier, const String& downloadAttribute, FramePolicyFunction&&) = 0;
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virtual void dispatchDecidePolicyForNewWindowAction(const NavigationAction&, const ResourceRequest&, FormState*, const String& frameName, PolicyCheckIdentifier, FramePolicyFunction&&) = 0;
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virtual void dispatchDecidePolicyForNavigationAction(const NavigationAction&, const ResourceRequest&, const ResourceResponse& redirectResponse, FormState*, PolicyDecisionMode, PolicyCheckIdentifier, FramePolicyFunction&&) = 0;
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virtual void cancelPolicyCheck() = 0;
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virtual void dispatchUnableToImplementPolicy(const ResourceError&) = 0;
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virtual void dispatchWillSendSubmitEvent(Ref<FormState>&&) = 0;
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virtual void dispatchWillSubmitForm(FormState&, CompletionHandler<void()>&&) = 0;
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virtual void revertToProvisionalState(DocumentLoader*) = 0;
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virtual void setMainDocumentError(DocumentLoader*, const ResourceError&) = 0;
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virtual void setMainFrameDocumentReady(bool) = 0;
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virtual void startDownload(const ResourceRequest&, const String& suggestedName = String()) = 0;
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virtual void willChangeTitle(DocumentLoader*) = 0;
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virtual void didChangeTitle(DocumentLoader*) = 0;
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virtual void willReplaceMultipartContent() = 0;
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virtual void didReplaceMultipartContent() = 0;
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virtual void committedLoad(DocumentLoader*, const uint8_t*, int) = 0;
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virtual void finishedLoading(DocumentLoader*) = 0;
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virtual void updateGlobalHistory() = 0;
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virtual void updateGlobalHistoryRedirectLinks() = 0;
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virtual bool shouldGoToHistoryItem(HistoryItem&) const = 0;
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// This frame has set its opener to null, disowning it for the lifetime of the frame.
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// See http://html.spec.whatwg.org/#dom-opener.
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// FIXME: JSC should allow disowning opener. - <https://bugs.webkit.org/show_bug.cgi?id=103913>.
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virtual void didDisownOpener() { }
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// This frame has displayed inactive content (such as an image) from an
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// insecure source. Inactive content cannot spread to other frames.
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virtual void didDisplayInsecureContent() = 0;
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// The indicated security origin has run active content (such as a
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// script) from an insecure source. Note that the insecure content can
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// spread to other frames in the same origin.
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virtual void didRunInsecureContent(SecurityOrigin&, const URL&) = 0;
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virtual void didDetectXSS(const URL&, bool didBlockEntirePage) = 0;
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virtual ResourceError cancelledError(const ResourceRequest&) const = 0;
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virtual ResourceError blockedError(const ResourceRequest&) const = 0;
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virtual ResourceError blockedByContentBlockerError(const ResourceRequest&) const = 0;
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virtual ResourceError cannotShowURLError(const ResourceRequest&) const = 0;
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virtual ResourceError interruptedForPolicyChangeError(const ResourceRequest&) const = 0;
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#if ENABLE(CONTENT_FILTERING)
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virtual ResourceError blockedByContentFilterError(const ResourceRequest&) const = 0;
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#endif
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virtual ResourceError cannotShowMIMETypeError(const ResourceResponse&) const = 0;
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virtual ResourceError fileDoesNotExistError(const ResourceResponse&) const = 0;
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virtual ResourceError pluginWillHandleLoadError(const ResourceResponse&) const = 0;
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virtual bool shouldFallBack(const ResourceError&) const = 0;
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virtual bool canHandleRequest(const ResourceRequest&) const = 0;
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virtual bool canShowMIMEType(const String& MIMEType) const = 0;
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virtual bool canShowMIMETypeAsHTML(const String& MIMEType) const = 0;
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virtual bool representationExistsForURLScheme(const String& URLScheme) const = 0;
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virtual String generatedMIMETypeForURLScheme(const String& URLScheme) const = 0;
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virtual void frameLoadCompleted() = 0;
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virtual void saveViewStateToItem(HistoryItem&) = 0;
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virtual void restoreViewState() = 0;
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virtual void provisionalLoadStarted() = 0;
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virtual void didFinishLoad() = 0;
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virtual void prepareForDataSourceReplacement() = 0;
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virtual Ref<DocumentLoader> createDocumentLoader(const ResourceRequest&, const SubstituteData&) = 0;
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virtual void updateCachedDocumentLoader(DocumentLoader&) = 0;
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virtual void setTitle(const StringWithDirection&, const URL&) = 0;
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virtual String userAgent(const URL&) const = 0;
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virtual String overrideContentSecurityPolicy() const { return String(); }
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virtual void savePlatformDataToCachedFrame(CachedFrame*) = 0;
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virtual void transitionToCommittedFromCachedFrame(CachedFrame*) = 0;
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#if PLATFORM(IOS_FAMILY)
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virtual void didRestoreFrameHierarchyForCachedFrame() = 0;
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#endif
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virtual void transitionToCommittedForNewPage() = 0;
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virtual void didRestoreFromBackForwardCache() = 0;
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virtual bool canCachePage() const = 0;
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virtual void convertMainResourceLoadToDownload(DocumentLoader*, const ResourceRequest&, const ResourceResponse&) = 0;
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virtual RefPtr<Frame> createFrame(const String& name, HTMLFrameOwnerElement&) = 0;
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virtual RefPtr<Widget> createPlugin(const IntSize&, HTMLPlugInElement&, const URL&, const Vector<String>&, const Vector<String>&, const String&, bool loadManually) = 0;
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virtual void redirectDataToPlugin(Widget&) = 0;
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virtual ObjectContentType objectContentType(const URL&, const String& mimeType) = 0;
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virtual String overrideMediaType() const = 0;
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virtual void dispatchDidClearWindowObjectInWorld(DOMWrapperWorld&) = 0;
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virtual void registerForIconNotification() { }
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#if PLATFORM(COCOA)
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// Allow an accessibility object to retrieve a Frame parent if there's no PlatformWidget.
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virtual RemoteAXObjectRef accessibilityRemoteObject() = 0;
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virtual void willCacheResponse(DocumentLoader*, unsigned long identifier, NSCachedURLResponse*, CompletionHandler<void(NSCachedURLResponse *)>&&) const = 0;
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virtual NSDictionary *dataDetectionContext() { return nullptr; }
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#endif
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#if USE(CFURLCONNECTION)
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// FIXME: Windows should use willCacheResponse - <https://bugs.webkit.org/show_bug.cgi?id=57257>.
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virtual bool shouldCacheResponse(DocumentLoader*, unsigned long identifier, const ResourceResponse&, const unsigned char* data, unsigned long long length) = 0;
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#endif
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virtual bool shouldAlwaysUsePluginDocument(const String& /*mimeType*/) const { return false; }
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virtual bool shouldLoadMediaElementURL(const URL&) const { return true; }
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virtual void didChangeScrollOffset() { }
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virtual bool allowScript(bool enabledPerSettings) { return enabledPerSettings; }
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// Clients that generally disallow universal access can make exceptions for particular URLs.
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virtual bool shouldForceUniversalAccessFromLocalURL(const URL&) { return false; }
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virtual Ref<FrameNetworkingContext> createNetworkingContext() = 0;
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virtual bool shouldPaintBrokenImage(const URL&) const { return true; }
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virtual void dispatchGlobalObjectAvailable(DOMWrapperWorld&) { }
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virtual void dispatchWillDisconnectDOMWindowExtensionFromGlobalObject(DOMWindowExtension*) { }
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virtual void dispatchDidReconnectDOMWindowExtensionToGlobalObject(DOMWindowExtension*) { }
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virtual void dispatchWillDestroyGlobalObjectForDOMWindowExtension(DOMWindowExtension*) { }
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virtual void willInjectUserScript(DOMWrapperWorld&) { }
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#if ENABLE(WEB_RTC)
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virtual void dispatchWillStartUsingPeerConnectionHandler(RTCPeerConnectionHandler*) { }
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#endif
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#if ENABLE(WEBGL)
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virtual bool allowWebGL(bool enabledPerSettings) { return enabledPerSettings; }
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// Informs the embedder that a WebGL canvas inside this frame received a lost context
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// notification with the given GL_ARB_robustness guilt/innocence code (see ExtensionsGL.h).
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virtual void didLoseWebGLContext(int) { }
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virtual WebGLLoadPolicy webGLPolicyForURL(const URL&) const { return WebGLLoadPolicy::WebGLAllowCreation; }
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virtual WebGLLoadPolicy resolveWebGLPolicyForURL(const URL&) const { return WebGLLoadPolicy::WebGLAllowCreation; }
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#endif
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virtual void completePageTransitionIfNeeded() { }
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// FIXME (bug 116233): We need to get rid of EmptyFrameLoaderClient completely, then this will no longer be needed.
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virtual bool isEmptyFrameLoaderClient() const { return false; }
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virtual bool isServiceWorkerFrameLoaderClient() const { return false; }
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#if USE(QUICK_LOOK)
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virtual RefPtr<LegacyPreviewLoaderClient> createPreviewLoaderClient(const String&, const String&) = 0;
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#endif
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#if ENABLE(CONTENT_FILTERING)
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virtual void contentFilterDidBlockLoad(ContentFilterUnblockHandler) { }
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#endif
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virtual void prefetchDNS(const String&) = 0;
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virtual void sendH2Ping(const URL&, CompletionHandler<void(Expected<Seconds, ResourceError>&&)>&&) = 0;
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virtual void didRestoreScrollPosition() { }
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virtual void getLoadDecisionForIcons(const Vector<std::pair<WebCore::LinkIcon&, uint64_t>>&) { }
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virtual void didCreateWindow(DOMWindow&) { }
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#if ENABLE(APPLICATION_MANIFEST)
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virtual void finishedLoadingApplicationManifest(uint64_t, const std::optional<ApplicationManifest>&) { }
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#endif
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#if ENABLE(RESOURCE_LOAD_STATISTICS)
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virtual bool hasFrameSpecificStorageAccess() { return false; }
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virtual void didLoadFromRegistrableDomain(RegistrableDomain&&) { }
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virtual Vector<RegistrableDomain> loadedSubresourceDomains() const { return { }; }
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#endif
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virtual AllowsContentJavaScript allowsContentJavaScriptFromMostRecentNavigation() const { return AllowsContentJavaScript::Yes; }
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#if ENABLE(APP_BOUND_DOMAINS)
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virtual bool shouldEnableInAppBrowserPrivacyProtections() const { return false; }
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virtual void notifyPageOfAppBoundBehavior() { }
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#endif
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#if ENABLE(PDFKIT_PLUGIN)
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virtual bool shouldUsePDFPlugin(const String&, StringView) const { return false; }
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#endif
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virtual bool isParentProcessAFullWebBrowser() const { return false; }
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};
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} // namespace WebCore
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