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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_INTERCEPTOR_H_
#define CONTENT_BROWSER_APPCACHE_APPCACHE_INTERCEPTOR_H_
#include "base/basictypes.h"
#include "content/common/content_export.h"
#include "content/public/common/resource_type.h"
#include "net/url_request/url_request_interceptor.h"
class GURL;
namespace net {
class URLRequest;
}
namespace content {
class AppCacheRequestHandler;
class AppCacheServiceImpl;
// An interceptor to hijack requests and potentially service them out of
// the appcache.
class CONTENT_EXPORT AppCacheInterceptor : public net::URLRequestInterceptor {
public:
// Must be called to make a request eligible for retrieval from an appcache.
static void SetExtraRequestInfo(net::URLRequest* request,
AppCacheServiceImpl* service,
int process_id,
int host_id,
ResourceType resource_type,
bool should_reset_appcache);
// May be called after response headers are complete to retrieve extra
// info about the response.
static void GetExtraResponseInfo(net::URLRequest* request,
int64* cache_id,
GURL* manifest_url);
// Methods to support cross site navigations.
static void PrepareForCrossSiteTransfer(net::URLRequest* request,
int old_process_id);
static void CompleteCrossSiteTransfer(net::URLRequest* request,
int new_process_id,
int new_host_id);
static void MaybeCompleteCrossSiteTransferInOldProcess(
net::URLRequest* request,
int old_process_id);
AppCacheInterceptor();
~AppCacheInterceptor() override;
protected:
// Override from net::URLRequestInterceptor:
net::URLRequestJob* MaybeInterceptRequest(
net::URLRequest* request,
net::NetworkDelegate* network_delegate) const override;
net::URLRequestJob* MaybeInterceptResponse(
net::URLRequest* request,
net::NetworkDelegate* network_delegate) const override;
net::URLRequestJob* MaybeInterceptRedirect(
net::URLRequest* request,
net::NetworkDelegate* network_delegate,
const GURL& location) const override;
private:
static void SetHandler(net::URLRequest* request,
AppCacheRequestHandler* handler);
static AppCacheRequestHandler* GetHandler(net::URLRequest* request);
DISALLOW_COPY_AND_ASSIGN(AppCacheInterceptor);
};
} // namespace content
#endif // CONTENT_BROWSER_APPCACHE_APPCACHE_INTERCEPTOR_H_
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