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/*
* Copyright (C) 2009, 2012 Google Inc. All rights reserved.
* Copyright (C) 2013, Intel Corporation
*
* 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 "core/fetch/RawResource.h"
#include "core/fetch/ResourceOwner.h"
#include "core/loader/ThreadableLoader.h"
#include "platform/Timer.h"
#include "platform/network/ResourceError.h"
#include "wtf/Forward.h"
#include "wtf/OwnPtr.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
class Document;
class KURL;
class ResourceRequest;
class SecurityOrigin;
class ThreadableLoaderClient;
class DocumentThreadableLoader : public RefCounted<DocumentThreadableLoader>, public ThreadableLoader, private ResourceOwner<RawResource> {
WTF_MAKE_FAST_ALLOCATED;
public:
static void loadResourceSynchronously(Document*, const ResourceRequest&, ThreadableLoaderClient&, const ThreadableLoaderOptions&);
static PassRefPtr<DocumentThreadableLoader> create(Document*, ThreadableLoaderClient*, const ResourceRequest&, const ThreadableLoaderOptions&);
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&);
// RawResourceClient
virtual void dataSent(Resource*, unsigned long long bytesSent, unsigned long long totalBytesToBeSent);
virtual void responseReceived(Resource*, const ResourceResponse&);
virtual void dataReceived(Resource*, const char* data, int dataLength);
virtual void redirectReceived(Resource*, ResourceRequest&, const ResourceResponse&);
virtual void notifyFinished(Resource*);
virtual void dataDownloaded(Resource*, int);
void cancelWithError(const ResourceError&);
void didReceiveResponse(unsigned long identifier, const ResourceResponse&);
void didReceiveData(unsigned long identifier, const char* data, int dataLength);
void didFinishLoading(unsigned long identifier, double finishTime);
void didFail(unsigned long identifier, const ResourceError&);
void didTimeout(Timer<DocumentThreadableLoader>*);
void makeCrossOriginAccessRequest(const ResourceRequest&);
void makeSimpleCrossOriginAccessRequest(const ResourceRequest&);
void makeCrossOriginAccessRequestWithPreflight(const ResourceRequest&);
void preflightSuccess();
void preflightFailure(unsigned long identifier, const String& url, const String& errorDescription);
void loadRequest(const ResourceRequest&, SecurityCheckPolicy);
bool isAllowedRedirect(const KURL&) const;
bool isAllowedByPolicy(const KURL&) const;
SecurityOrigin* securityOrigin() const;
bool checkCrossOriginAccessRedirectionUrl(const KURL&, String& errorDescription);
ThreadableLoaderClient* m_client;
Document* m_document;
ThreadableLoaderOptions m_options;
bool m_sameOriginRequest;
bool m_simpleRequest;
bool m_async;
OwnPtr<ResourceRequest> m_actualRequest; // non-null during Access Control preflight checks
Timer<DocumentThreadableLoader> m_timeoutTimer;
};
} // namespace WebCore
#endif // DocumentThreadableLoader_h
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