| /* |
| * Copyright (C) 2006-2020 Apple Inc. All rights reserved. |
| * Copyright (C) 2012 Google 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 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. |
| */ |
| |
| #pragma once |
| |
| #include "FrameIdentifier.h" |
| #include "FrameLoaderTypes.h" |
| #include "LayoutMilestone.h" |
| #include "LinkIcon.h" |
| #include "PageIdentifier.h" |
| #include <functional> |
| #include <wtf/Forward.h> |
| #include <wtf/WallTime.h> |
| #include <wtf/text/WTFString.h> |
| |
| #if ENABLE(APPLICATION_MANIFEST) |
| #include "ApplicationManifest.h" |
| #endif |
| |
| #if ENABLE(CONTENT_FILTERING) |
| #include "ContentFilterUnblockHandler.h" |
| #endif |
| |
| #if PLATFORM(COCOA) |
| #ifdef __OBJC__ |
| #import <Foundation/Foundation.h> |
| typedef id RemoteAXObjectRef; |
| #else |
| typedef void* RemoteAXObjectRef; |
| #endif |
| #endif |
| |
| #if PLATFORM(COCOA) |
| OBJC_CLASS NSArray; |
| OBJC_CLASS NSCachedURLResponse; |
| OBJC_CLASS NSDictionary; |
| OBJC_CLASS NSView; |
| #endif |
| |
| namespace WebCore { |
| |
| class AuthenticationChallenge; |
| class CachedFrame; |
| class CachedResourceRequest; |
| class Color; |
| class DOMWindow; |
| class DOMWindowExtension; |
| class DOMWrapperWorld; |
| class DocumentLoader; |
| class Element; |
| class FormState; |
| class Frame; |
| class FrameLoader; |
| class FrameNetworkingContext; |
| class HTMLAppletElement; |
| class HTMLFormElement; |
| class HTMLFrameOwnerElement; |
| class HTMLPlugInElement; |
| class HistoryItem; |
| class IntSize; |
| class LegacyPreviewLoaderClient; |
| class MessageEvent; |
| class NavigationAction; |
| class Page; |
| class PluginViewBase; |
| class ProtectionSpace; |
| class RegistrableDomain; |
| class RTCPeerConnectionHandler; |
| class ResourceError; |
| class ResourceHandle; |
| class ResourceRequest; |
| class ResourceResponse; |
| class SecurityOrigin; |
| class SharedBuffer; |
| class SubstituteData; |
| class Widget; |
| |
| enum class LockBackForwardList : bool; |
| enum class PolicyDecisionMode; |
| enum class UsedLegacyTLS : bool; |
| |
| struct StringWithDirection; |
| |
| typedef WTF::Function<void (PolicyAction, PolicyCheckIdentifier)> FramePolicyFunction; |
| |
| class WEBCORE_EXPORT FrameLoaderClient { |
| WTF_MAKE_FAST_ALLOCATED; |
| 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 loading frameworks), so we |
| // don't want to do it in WebKit. |
| virtual bool hasHTMLView() const; |
| |
| virtual ~FrameLoaderClient() = default; |
| |
| virtual bool hasWebView() const = 0; // mainly for assertions |
| |
| virtual void makeRepresentation(DocumentLoader*) = 0; |
| |
| virtual Optional<PageIdentifier> pageID() const = 0; |
| virtual Optional<FrameIdentifier> frameID() const = 0; |
| |
| #if PLATFORM(IOS_FAMILY) |
| // Returns true if the client forced the layout. |
| virtual bool forceLayoutOnRestoreFromBackForwardCache() = 0; |
| #endif |
| 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; |
| #if USE(PROTECTION_SPACE_AUTH_CALLBACK) |
| virtual bool canAuthenticateAgainstProtectionSpace(DocumentLoader*, unsigned long identifier, const ProtectionSpace&) = 0; |
| #endif |
| |
| #if PLATFORM(IOS_FAMILY) |
| virtual RetainPtr<CFDictionaryRef> connectionProperties(DocumentLoader*, unsigned long identifier) = 0; |
| #endif |
| |
| virtual void dispatchDidReceiveResponse(DocumentLoader*, unsigned long identifier, const ResourceResponse&) = 0; |
| virtual void dispatchDidReceiveContentLength(DocumentLoader*, unsigned long identifier, int dataLength) = 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 dispatchDidDispatchOnloadEvents() = 0; |
| virtual void dispatchDidReceiveServerRedirectForProvisionalLoad() = 0; |
| virtual void dispatchDidChangeProvisionalURL() { } |
| virtual void dispatchDidCancelClientRedirect() = 0; |
| virtual void dispatchWillPerformClientRedirect(const URL&, double interval, WallTime fireDate, LockBackForwardList) = 0; |
| virtual void dispatchDidChangeMainDocument() { } |
| virtual void dispatchWillChangeDocument(const URL&, const URL&) { } |
| 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() { } |
| virtual void dispatchDidStartProvisionalLoad() = 0; |
| virtual void dispatchDidReceiveTitle(const StringWithDirection&) = 0; |
| virtual void dispatchDidCommitLoad(Optional<HasInsecureContent>, Optional<UsedLegacyTLS>) = 0; |
| virtual void dispatchDidFailProvisionalLoad(const ResourceError&, WillContinueLoading) = 0; |
| virtual void dispatchDidFailLoad(const ResourceError&) = 0; |
| virtual void dispatchDidFinishDocumentLoad() = 0; |
| virtual void dispatchDidFinishLoad() = 0; |
| virtual void dispatchDidExplicitOpen(const URL&, const String& /* mimeType */) { } |
| #if ENABLE(DATA_DETECTION) |
| virtual void dispatchDidFinishDataDetection(NSArray *detectionResults) = 0; |
| #endif |
| |
| virtual void dispatchDidLayout() { } |
| virtual void dispatchDidReachLayoutMilestone(OptionSet<LayoutMilestone>) { } |
| virtual void dispatchDidReachVisuallyNonEmptyState() { } |
| |
| virtual Frame* dispatchCreatePage(const NavigationAction&) = 0; |
| virtual void dispatchShow() = 0; |
| |
| virtual void dispatchDecidePolicyForResponse(const ResourceResponse&, const ResourceRequest&, PolicyCheckIdentifier, const String& downloadAttribute, FramePolicyFunction&&) = 0; |
| virtual void dispatchDecidePolicyForNewWindowAction(const NavigationAction&, const ResourceRequest&, FormState*, const String& frameName, PolicyCheckIdentifier, FramePolicyFunction&&) = 0; |
| virtual void dispatchDecidePolicyForNavigationAction(const NavigationAction&, const ResourceRequest&, const ResourceResponse& redirectResponse, FormState*, PolicyDecisionMode, PolicyCheckIdentifier, FramePolicyFunction&&) = 0; |
| virtual void cancelPolicyCheck() = 0; |
| |
| virtual void dispatchUnableToImplementPolicy(const ResourceError&) = 0; |
| |
| virtual void dispatchWillSendSubmitEvent(Ref<FormState>&&) = 0; |
| virtual void dispatchWillSubmitForm(FormState&, CompletionHandler<void()>&&) = 0; |
| |
| virtual void revertToProvisionalState(DocumentLoader*) = 0; |
| virtual void setMainDocumentError(DocumentLoader*, const ResourceError&) = 0; |
| |
| virtual void setMainFrameDocumentReady(bool) = 0; |
| |
| virtual void startDownload(const ResourceRequest&, const String& suggestedName = String()) = 0; |
| |
| virtual void willChangeTitle(DocumentLoader*) = 0; |
| virtual void didChangeTitle(DocumentLoader*) = 0; |
| |
| virtual void willReplaceMultipartContent() = 0; |
| virtual void didReplaceMultipartContent() = 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; |
| |
| // This frame has set its opener to null, disowning it for the lifetime of the frame. |
| // See http://html.spec.whatwg.org/#dom-opener. |
| // FIXME: JSC should allow disowning opener. - <https://bugs.webkit.org/show_bug.cgi?id=103913>. |
| virtual void didDisownOpener() { } |
| |
| // 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&, const URL&) = 0; |
| virtual void didDetectXSS(const URL&, bool didBlockEntirePage) = 0; |
| |
| virtual ResourceError cancelledError(const ResourceRequest&) const = 0; |
| virtual ResourceError blockedError(const ResourceRequest&) const = 0; |
| virtual ResourceError blockedByContentBlockerError(const ResourceRequest&) const = 0; |
| virtual ResourceError cannotShowURLError(const ResourceRequest&) const = 0; |
| virtual ResourceError interruptedForPolicyChangeError(const ResourceRequest&) const = 0; |
| #if ENABLE(CONTENT_FILTERING) |
| virtual ResourceError blockedByContentFilterError(const ResourceRequest&) const = 0; |
| #endif |
| |
| virtual ResourceError cannotShowMIMETypeError(const ResourceResponse&) const = 0; |
| virtual ResourceError fileDoesNotExistError(const ResourceResponse&) const = 0; |
| virtual ResourceError pluginWillHandleLoadError(const ResourceResponse&) const = 0; |
| |
| virtual bool shouldFallBack(const ResourceError&) const = 0; |
| |
| virtual bool canHandleRequest(const ResourceRequest&) const = 0; |
| virtual bool canShowMIMEType(const String& MIMEType) const = 0; |
| virtual bool canShowMIMETypeAsHTML(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 Ref<DocumentLoader> createDocumentLoader(const ResourceRequest&, const SubstituteData&) = 0; |
| virtual void updateCachedDocumentLoader(DocumentLoader&) = 0; |
| virtual void setTitle(const StringWithDirection&, const URL&) = 0; |
| |
| virtual String userAgent(const URL&) const = 0; |
| |
| virtual String overrideContentSecurityPolicy() const { return String(); } |
| |
| virtual void savePlatformDataToCachedFrame(CachedFrame*) = 0; |
| virtual void transitionToCommittedFromCachedFrame(CachedFrame*) = 0; |
| #if PLATFORM(IOS_FAMILY) |
| virtual void didRestoreFrameHierarchyForCachedFrame() = 0; |
| #endif |
| virtual void transitionToCommittedForNewPage() = 0; |
| |
| virtual void didRestoreFromBackForwardCache() = 0; |
| |
| virtual void dispatchDidBecomeFrameset(bool) = 0; // Can change due to navigation or DOM modification. |
| |
| virtual bool canCachePage() const = 0; |
| virtual void convertMainResourceLoadToDownload(DocumentLoader*, const ResourceRequest&, const ResourceResponse&) = 0; |
| |
| virtual RefPtr<Frame> createFrame(const URL&, const String& name, HTMLFrameOwnerElement&, const String& referrer) = 0; |
| virtual RefPtr<Widget> createPlugin(const IntSize&, HTMLPlugInElement&, const URL&, const Vector<String>&, const Vector<String>&, const String&, bool loadManually) = 0; |
| virtual void redirectDataToPlugin(Widget&) = 0; |
| |
| virtual RefPtr<Widget> createJavaAppletWidget(const IntSize&, HTMLAppletElement&, const URL& baseURL, const Vector<String>& paramNames, const Vector<String>& paramValues) = 0; |
| |
| virtual ObjectContentType objectContentType(const URL&, const String& mimeType) = 0; |
| virtual String overrideMediaType() const = 0; |
| |
| virtual void dispatchDidClearWindowObjectInWorld(DOMWrapperWorld&) = 0; |
| |
| virtual void registerForIconNotification() { } |
| |
| #if PLATFORM(COCOA) |
| // Allow an accessibility object to retrieve a Frame parent if there's no PlatformWidget. |
| virtual RemoteAXObjectRef accessibilityRemoteObject() = 0; |
| virtual void willCacheResponse(DocumentLoader*, unsigned long identifier, NSCachedURLResponse*, CompletionHandler<void(NSCachedURLResponse *)>&&) const = 0; |
| virtual NSDictionary *dataDetectionContext() { return nullptr; } |
| #endif |
| |
| #if USE(CFURLCONNECTION) |
| // FIXME: Windows should use willCacheResponse - <https://bugs.webkit.org/show_bug.cgi?id=57257>. |
| virtual bool shouldCacheResponse(DocumentLoader*, unsigned long identifier, const ResourceResponse&, const unsigned char* data, unsigned long long length) = 0; |
| #endif |
| |
| virtual bool shouldAlwaysUsePluginDocument(const String& /*mimeType*/) const { return false; } |
| virtual bool shouldLoadMediaElementURL(const URL&) const { return true; } |
| |
| virtual void didChangeScrollOffset() { } |
| |
| virtual bool allowScript(bool enabledPerSettings) { return enabledPerSettings; } |
| |
| // Clients that generally disallow universal access can make exceptions for particular URLs. |
| virtual bool shouldForceUniversalAccessFromLocalURL(const URL&) { return false; } |
| |
| virtual Ref<FrameNetworkingContext> createNetworkingContext() = 0; |
| |
| virtual bool shouldPaintBrokenImage(const URL&) const { return true; } |
| |
| virtual void dispatchGlobalObjectAvailable(DOMWrapperWorld&) { } |
| virtual void dispatchWillDisconnectDOMWindowExtensionFromGlobalObject(DOMWindowExtension*) { } |
| virtual void dispatchDidReconnectDOMWindowExtensionToGlobalObject(DOMWindowExtension*) { } |
| virtual void dispatchWillDestroyGlobalObjectForDOMWindowExtension(DOMWindowExtension*) { } |
| |
| virtual void willInjectUserScript(DOMWrapperWorld&) { } |
| |
| #if ENABLE(WEB_RTC) |
| virtual void dispatchWillStartUsingPeerConnectionHandler(RTCPeerConnectionHandler*) { } |
| #endif |
| |
| #if ENABLE(WEBGL) |
| virtual bool allowWebGL(bool enabledPerSettings) { return enabledPerSettings; } |
| // Informs the embedder that a WebGL canvas inside this frame received a lost context |
| // notification with the given GL_ARB_robustness guilt/innocence code (see ExtensionsGL.h). |
| virtual void didLoseWebGLContext(int) { } |
| virtual WebGLLoadPolicy webGLPolicyForURL(const URL&) const { return WebGLAllowCreation; } |
| virtual WebGLLoadPolicy resolveWebGLPolicyForURL(const URL&) const { return WebGLAllowCreation; } |
| #endif |
| |
| virtual void completePageTransitionIfNeeded() { } |
| |
| // FIXME (bug 116233): We need to get rid of EmptyFrameLoaderClient completely, then this will no longer be needed. |
| virtual bool isEmptyFrameLoaderClient() const { return false; } |
| virtual bool isServiceWorkerFrameLoaderClient() const { return false; } |
| |
| #if USE(QUICK_LOOK) |
| virtual RefPtr<LegacyPreviewLoaderClient> createPreviewLoaderClient(const String&, const String&) = 0; |
| #endif |
| |
| #if ENABLE(CONTENT_FILTERING) |
| virtual void contentFilterDidBlockLoad(ContentFilterUnblockHandler) { } |
| #endif |
| |
| virtual void prefetchDNS(const String&) = 0; |
| |
| virtual void didRestoreScrollPosition() { } |
| |
| virtual void getLoadDecisionForIcons(const Vector<std::pair<WebCore::LinkIcon&, uint64_t>>&) { } |
| virtual void finishedLoadingIcon(uint64_t, SharedBuffer*) { } |
| |
| virtual void didCreateWindow(DOMWindow&) { } |
| |
| #if ENABLE(APPLICATION_MANIFEST) |
| virtual void finishedLoadingApplicationManifest(uint64_t, const Optional<ApplicationManifest>&) { } |
| #endif |
| |
| #if ENABLE(RESOURCE_LOAD_STATISTICS) |
| virtual bool hasFrameSpecificStorageAccess() { return false; } |
| virtual void didLoadFromRegistrableDomain(RegistrableDomain&&) { } |
| #endif |
| |
| virtual AllowsContentJavaScript allowsContentJavaScriptFromMostRecentNavigation() const { return AllowsContentJavaScript::Yes; } |
| |
| virtual bool hasNavigatedAwayFromAppBoundDomain() { return false; } |
| virtual bool needsInAppBrowserPrivacyQuirks() const { return false; } |
| }; |
| |
| } // namespace WebCore |
