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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.
#include "content/browser/appcache/appcache_interceptor.h"
#include "content/browser/appcache/appcache_backend_impl.h"
#include "content/browser/appcache/appcache_host.h"
#include "content/browser/appcache/appcache_request_handler.h"
#include "content/browser/appcache/appcache_service_impl.h"
#include "content/browser/appcache/appcache_url_request_job.h"
#include "content/common/appcache_interfaces.h"
#include "net/url_request/url_request.h"
static int kHandlerKey; // Value is not used.
namespace content {
void AppCacheInterceptor::SetHandler(net::URLRequest* request,
AppCacheRequestHandler* handler) {
request->SetUserData(&kHandlerKey, handler); // request takes ownership
}
AppCacheRequestHandler* AppCacheInterceptor::GetHandler(
net::URLRequest* request) {
return static_cast<AppCacheRequestHandler*>(
request->GetUserData(&kHandlerKey));
}
void AppCacheInterceptor::SetExtraRequestInfo(
net::URLRequest* request,
AppCacheServiceImpl* service,
int process_id,
int host_id,
ResourceType resource_type,
bool should_reset_appcache) {
if (!service || (host_id == kAppCacheNoHostId))
return;
AppCacheBackendImpl* backend = service->GetBackend(process_id);
if (!backend)
return;
// TODO(michaeln): An invalid host id is indicative of bad data
// from a child process. How should we handle that here?
AppCacheHost* host = backend->GetHost(host_id);
if (!host)
return;
// Create a handler for this request and associate it with the request.
AppCacheRequestHandler* handler =
host->CreateRequestHandler(request, resource_type, should_reset_appcache);
if (handler)
SetHandler(request, handler);
}
void AppCacheInterceptor::GetExtraResponseInfo(net::URLRequest* request,
int64* cache_id,
GURL* manifest_url) {
DCHECK(*cache_id == kAppCacheNoCacheId);
DCHECK(manifest_url->is_empty());
AppCacheRequestHandler* handler = GetHandler(request);
if (handler)
handler->GetExtraResponseInfo(cache_id, manifest_url);
}
void AppCacheInterceptor::PrepareForCrossSiteTransfer(
net::URLRequest* request,
int old_process_id) {
AppCacheRequestHandler* handler = GetHandler(request);
if (!handler)
return;
handler->PrepareForCrossSiteTransfer(old_process_id);
}
void AppCacheInterceptor::CompleteCrossSiteTransfer(
net::URLRequest* request,
int new_process_id,
int new_host_id) {
AppCacheRequestHandler* handler = GetHandler(request);
if (!handler)
return;
DCHECK_NE(kAppCacheNoHostId, new_host_id);
handler->CompleteCrossSiteTransfer(new_process_id,
new_host_id);
}
void AppCacheInterceptor::MaybeCompleteCrossSiteTransferInOldProcess(
net::URLRequest* request,
int process_id) {
AppCacheRequestHandler* handler = GetHandler(request);
if (!handler)
return;
handler->MaybeCompleteCrossSiteTransferInOldProcess(process_id);
}
AppCacheInterceptor::AppCacheInterceptor() {
}
AppCacheInterceptor::~AppCacheInterceptor() {
}
net::URLRequestJob* AppCacheInterceptor::MaybeInterceptRequest(
net::URLRequest* request, net::NetworkDelegate* network_delegate) const {
AppCacheRequestHandler* handler = GetHandler(request);
if (!handler)
return NULL;
return handler->MaybeLoadResource(request, network_delegate);
}
net::URLRequestJob* AppCacheInterceptor::MaybeInterceptRedirect(
net::URLRequest* request,
net::NetworkDelegate* network_delegate,
const GURL& location) const {
AppCacheRequestHandler* handler = GetHandler(request);
if (!handler)
return NULL;
return handler->MaybeLoadFallbackForRedirect(
request, network_delegate, location);
}
net::URLRequestJob* AppCacheInterceptor::MaybeInterceptResponse(
net::URLRequest* request, net::NetworkDelegate* network_delegate) const {
AppCacheRequestHandler* handler = GetHandler(request);
if (!handler)
return NULL;
return handler->MaybeLoadFallbackForResponse(request, network_delegate);
}
} // namespace content
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