105 lines
4.6 KiB
C++
105 lines
4.6 KiB
C++
/*
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* Copyright (C) 2012, 2015 Apple 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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* 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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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "FetchOptions.h"
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#include "LoadSchedulingMode.h"
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#include "PageIdentifier.h"
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#include "ResourceLoadPriority.h"
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#include "ResourceLoaderOptions.h"
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#include "StoredCredentialsPolicy.h"
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#include <wtf/Forward.h>
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namespace WebCore {
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class CachedResource;
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class ContentSecurityPolicy;
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class Frame;
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class FrameLoader;
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class HTTPHeaderMap;
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class NetscapePlugInStreamLoader;
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class NetscapePlugInStreamLoaderClient;
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struct NetworkTransactionInformation;
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class NetworkLoadMetrics;
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class Page;
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class ResourceError;
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class ResourceLoader;
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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 SubresourceLoader;
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struct FetchOptions;
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class WEBCORE_EXPORT LoaderStrategy {
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public:
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virtual void loadResource(Frame&, CachedResource&, ResourceRequest&&, const ResourceLoaderOptions&, CompletionHandler<void(RefPtr<SubresourceLoader>&&)>&&) = 0;
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virtual void loadResourceSynchronously(FrameLoader&, unsigned long identifier, const ResourceRequest&, ClientCredentialPolicy, const FetchOptions&, const HTTPHeaderMap&, ResourceError&, ResourceResponse&, Vector<uint8_t>& data) = 0;
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virtual void pageLoadCompleted(Page&) = 0;
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virtual void browsingContextRemoved(Frame&) = 0;
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virtual void remove(ResourceLoader*) = 0;
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virtual void setDefersLoading(ResourceLoader&, bool) = 0;
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virtual void crossOriginRedirectReceived(ResourceLoader*, const URL& redirectURL) = 0;
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virtual void servePendingRequests(ResourceLoadPriority minimumPriority = ResourceLoadPriority::VeryLow) = 0;
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virtual void suspendPendingRequests() = 0;
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virtual void resumePendingRequests() = 0;
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virtual void setResourceLoadSchedulingMode(Page&, LoadSchedulingMode);
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virtual void prioritizeResourceLoads(const Vector<SubresourceLoader*>&);
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virtual bool usePingLoad() const { return true; }
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using PingLoadCompletionHandler = WTF::Function<void(const ResourceError&, const ResourceResponse&)>;
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virtual void startPingLoad(Frame&, ResourceRequest&, const HTTPHeaderMap& originalRequestHeaders, const FetchOptions&, ContentSecurityPolicyImposition, PingLoadCompletionHandler&& = { }) = 0;
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using PreconnectCompletionHandler = WTF::Function<void(const ResourceError&)>;
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virtual void preconnectTo(FrameLoader&, const URL&, StoredCredentialsPolicy, PreconnectCompletionHandler&&) = 0;
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virtual void setCaptureExtraNetworkLoadMetricsEnabled(bool) = 0;
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virtual bool isOnLine() const = 0;
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virtual void addOnlineStateChangeListener(WTF::Function<void(bool)>&&) = 0;
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virtual bool shouldPerformSecurityChecks() const { return false; }
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virtual bool havePerformedSecurityChecks(const ResourceResponse&) const { return false; }
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virtual ResourceResponse responseFromResourceLoadIdentifier(uint64_t resourceLoadIdentifier);
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virtual Vector<NetworkTransactionInformation> intermediateLoadInformationFromResourceLoadIdentifier(uint64_t resourceLoadIdentifier);
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virtual NetworkLoadMetrics networkMetricsFromResourceLoadIdentifier(uint64_t resourceLoadIdentifier);
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virtual void isResourceLoadFinished(CachedResource&, CompletionHandler<void(bool)>&& callback) = 0;
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// Used for testing only.
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virtual Vector<uint64_t> ongoingLoads() const { return { }; }
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protected:
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virtual ~LoaderStrategy();
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};
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} // namespace WebCore
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