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/*
* Copyright (C) 2009 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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 "ResourceLoaderOptions.h"
#include <wtf/Noncopyable.h>
#include <wtf/RefPtr.h>
#include <wtf/text/AtomString.h>
namespace WebCore {
class ResourceError;
class ResourceRequest;
class ResourceResponse;
class ScriptExecutionContext;
class ThreadableLoaderClient;
enum class ContentSecurityPolicyEnforcement {
DoNotEnforce,
EnforceWorkerSrcDirective,
EnforceConnectSrcDirective,
EnforceScriptSrcDirective,
};
enum class ResponseFilteringPolicy {
Enable,
Disable,
};
struct ThreadableLoaderOptions : ResourceLoaderOptions {
ThreadableLoaderOptions();
explicit ThreadableLoaderOptions(FetchOptions&&);
ThreadableLoaderOptions(const ResourceLoaderOptions&, ContentSecurityPolicyEnforcement, String&& initiatorType, ResponseFilteringPolicy);
~ThreadableLoaderOptions();
ThreadableLoaderOptions isolatedCopy() const;
ContentSecurityPolicyEnforcement contentSecurityPolicyEnforcement { ContentSecurityPolicyEnforcement::EnforceConnectSrcDirective };
String initiatorType; // This cannot be an AtomString, as isolatedCopy() wouldn't create an object that's safe for passing to another thread.
ResponseFilteringPolicy filteringPolicy { ResponseFilteringPolicy::Disable };
};
// Useful for doing loader operations from any thread (not threadsafe,
// just able to run on threads other than the main thread).
class ThreadableLoader {
WTF_MAKE_NONCOPYABLE(ThreadableLoader);
public:
static void loadResourceSynchronously(ScriptExecutionContext&, ResourceRequest&&, ThreadableLoaderClient&, const ThreadableLoaderOptions&);
static RefPtr<ThreadableLoader> create(ScriptExecutionContext&, ThreadableLoaderClient&, ResourceRequest&&, const ThreadableLoaderOptions&, String&& referrer = String(), String&& taskMode = { });
virtual void computeIsDone() = 0;
virtual void cancel() = 0;
void ref() { refThreadableLoader(); }
void deref() { derefThreadableLoader(); }
static void logError(ScriptExecutionContext&, const ResourceError&, const String&);
protected:
ThreadableLoader() = default;
virtual ~ThreadableLoader() = default;
virtual void refThreadableLoader() = 0;
virtual void derefThreadableLoader() = 0;
};
} // namespace WebCore
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