94 lines
3.9 KiB
C++
94 lines
3.9 KiB
C++
/*
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* Copyright (C) 2009 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 are
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* met:
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*
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* * 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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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* 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
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* OF 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 "ResourceLoaderOptions.h"
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#include <wtf/Noncopyable.h>
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#include <wtf/RefPtr.h>
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#include <wtf/text/AtomString.h>
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namespace WebCore {
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class ResourceError;
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class ResourceRequest;
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class ResourceResponse;
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class ScriptExecutionContext;
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class ThreadableLoaderClient;
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enum class ContentSecurityPolicyEnforcement {
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DoNotEnforce,
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EnforceChildSrcDirective,
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EnforceConnectSrcDirective,
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EnforceScriptSrcDirective,
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};
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enum class ResponseFilteringPolicy {
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Enable,
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Disable,
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};
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struct ThreadableLoaderOptions : ResourceLoaderOptions {
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ThreadableLoaderOptions();
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explicit ThreadableLoaderOptions(FetchOptions&&);
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ThreadableLoaderOptions(const ResourceLoaderOptions&, ContentSecurityPolicyEnforcement, String&& initiator, ResponseFilteringPolicy);
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~ThreadableLoaderOptions();
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ThreadableLoaderOptions isolatedCopy() const;
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ContentSecurityPolicyEnforcement contentSecurityPolicyEnforcement { ContentSecurityPolicyEnforcement::EnforceConnectSrcDirective };
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String initiator; // This cannot be an AtomString, as isolatedCopy() wouldn't create an object that's safe for passing to another thread.
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ResponseFilteringPolicy filteringPolicy { ResponseFilteringPolicy::Disable };
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};
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// Useful for doing loader operations from any thread (not threadsafe,
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// just able to run on threads other than the main thread).
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class ThreadableLoader {
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WTF_MAKE_NONCOPYABLE(ThreadableLoader);
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public:
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static void loadResourceSynchronously(ScriptExecutionContext&, ResourceRequest&&, ThreadableLoaderClient&, const ThreadableLoaderOptions&);
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static RefPtr<ThreadableLoader> create(ScriptExecutionContext&, ThreadableLoaderClient&, ResourceRequest&&, const ThreadableLoaderOptions&, String&& referrer = String(), String&& taskMode = { });
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virtual void computeIsDone() = 0;
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virtual void cancel() = 0;
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void ref() { refThreadableLoader(); }
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void deref() { derefThreadableLoader(); }
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static void logError(ScriptExecutionContext&, const ResourceError&, const String&);
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protected:
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ThreadableLoader() = default;
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virtual ~ThreadableLoader() = default;
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virtual void refThreadableLoader() = 0;
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virtual void derefThreadableLoader() = 0;
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};
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} // namespace WebCore
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