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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.
*/
#ifndef DocumentThreadableLoader_h
#define DocumentThreadableLoader_h
#include "FrameLoaderTypes.h"
#include "SubresourceLoaderClient.h"
#include "ThreadableLoader.h"
#include <wtf/Forward.h>
#include <wtf/OwnPtr.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class Document;
class KURL;
class ResourceRequest;
class ThreadableLoaderClient;
class DocumentThreadableLoader : public RefCounted<DocumentThreadableLoader>, public ThreadableLoader, private SubresourceLoaderClient {
WTF_MAKE_FAST_ALLOCATED;
public:
static void loadResourceSynchronously(Document*, const ResourceRequest&, ThreadableLoaderClient&, const ThreadableLoaderOptions&);
static PassRefPtr<DocumentThreadableLoader> create(Document*, ThreadableLoaderClient*, const ResourceRequest&, const ThreadableLoaderOptions&, const String& optionalOutgoingReferrer = String());
virtual ~DocumentThreadableLoader();
virtual void cancel();
virtual void setDefersLoading(bool);
using RefCounted<DocumentThreadableLoader>::ref;
using RefCounted<DocumentThreadableLoader>::deref;
protected:
virtual void refThreadableLoader() { ref(); }
virtual void derefThreadableLoader() { deref(); }
private:
enum BlockingBehavior {
LoadSynchronously,
LoadAsynchronously
};
DocumentThreadableLoader(Document*, ThreadableLoaderClient*, BlockingBehavior, const ResourceRequest&, const ThreadableLoaderOptions&, const String& optionalOutgoingReferrer);
virtual void willSendRequest(SubresourceLoader*, ResourceRequest&, const ResourceResponse& redirectResponse);
virtual void didSendData(SubresourceLoader*, unsigned long long bytesSent, unsigned long long totalBytesToBeSent);
virtual void didReceiveResponse(SubresourceLoader*, const ResourceResponse&);
virtual void didReceiveData(SubresourceLoader*, const char*, int dataLength);
virtual void didReceiveCachedMetadata(SubresourceLoader*, const char*, int dataLength);
virtual void didFinishLoading(SubresourceLoader*, double);
virtual void didFail(SubresourceLoader*, const ResourceError&);
virtual bool getShouldUseCredentialStorage(SubresourceLoader*, bool& shouldUseCredentialStorage);
virtual void didReceiveAuthenticationChallenge(SubresourceLoader*, const AuthenticationChallenge&);
virtual void receivedCancellation(SubresourceLoader*, const AuthenticationChallenge&);
void didFinishLoading(unsigned long identifier, double finishTime);
void makeSimpleCrossOriginAccessRequest(const ResourceRequest& request);
void makeCrossOriginAccessRequestWithPreflight(const ResourceRequest& request);
void preflightSuccess();
void preflightFailure(const String& url, const String& errorDescription);
void loadRequest(const ResourceRequest&, SecurityCheckPolicy);
bool isAllowedRedirect(const KURL&);
RefPtr<SubresourceLoader> m_loader;
ThreadableLoaderClient* m_client;
Document* m_document;
ThreadableLoaderOptions m_options;
String m_optionalOutgoingReferrer;
bool m_sameOriginRequest;
bool m_async;
OwnPtr<ResourceRequest> m_actualRequest; // non-null during Access Control preflight checks
};
} // namespace WebCore
#endif // DocumentThreadableLoader_h