| // Copyright (c) 2011 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 "webkit/appcache/appcache_interceptor.h" |
| |
| #include "webkit/appcache/appcache_backend_impl.h" |
| #include "webkit/appcache/appcache_host.h" |
| #include "webkit/appcache/appcache_interfaces.h" |
| #include "webkit/appcache/appcache_request_handler.h" |
| #include "webkit/appcache/appcache_service.h" |
| #include "webkit/appcache/appcache_url_request_job.h" |
| |
| namespace appcache { |
| |
| // static |
| AppCacheInterceptor* AppCacheInterceptor::GetInstance() { |
| return Singleton<AppCacheInterceptor>::get(); |
| } |
| |
| void AppCacheInterceptor::SetHandler( |
| net::URLRequest* request, AppCacheRequestHandler* handler) { |
| request->SetUserData(GetInstance(), handler); // request takes ownership |
| } |
| |
| AppCacheRequestHandler* AppCacheInterceptor::GetHandler( |
| net::URLRequest* request) { |
| return reinterpret_cast<AppCacheRequestHandler*>( |
| request->GetUserData(GetInstance())); |
| } |
| |
| void AppCacheInterceptor::SetExtraRequestInfo( |
| net::URLRequest* request, AppCacheService* service, int process_id, |
| int host_id, ResourceType::Type resource_type) { |
| if (!service || (host_id == kNoHostId)) |
| 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); |
| if (handler) |
| SetHandler(request, handler); |
| } |
| |
| void AppCacheInterceptor::GetExtraResponseInfo(net::URLRequest* request, |
| int64* cache_id, |
| GURL* manifest_url) { |
| DCHECK(*cache_id == kNoCacheId); |
| DCHECK(manifest_url->is_empty()); |
| AppCacheRequestHandler* handler = GetHandler(request); |
| if (handler) |
| handler->GetExtraResponseInfo(cache_id, manifest_url); |
| } |
| |
| AppCacheInterceptor::AppCacheInterceptor() { |
| net::URLRequest::Deprecated::RegisterRequestInterceptor(this); |
| } |
| |
| AppCacheInterceptor::~AppCacheInterceptor() { |
| net::URLRequest::Deprecated::UnregisterRequestInterceptor(this); |
| } |
| |
| net::URLRequestJob* AppCacheInterceptor::MaybeIntercept( |
| net::URLRequest* request, net::NetworkDelegate* network_delegate) { |
| 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) { |
| 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) { |
| AppCacheRequestHandler* handler = GetHandler(request); |
| if (!handler) |
| return NULL; |
| return handler->MaybeLoadFallbackForResponse(request, network_delegate); |
| } |
| |
| } // namespace appcache |