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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "webkit/appcache/appcache_interceptor.h" | 5 #include "webkit/appcache/appcache_interceptor.h" |
| 6 | 6 |
| 7 #include "webkit/appcache/appcache_backend_impl.h" | 7 #include "webkit/appcache/appcache_backend_impl.h" |
| 8 #include "webkit/appcache/appcache_host.h" | 8 #include "webkit/appcache/appcache_host.h" |
| 9 #include "webkit/appcache/appcache_interfaces.h" | 9 #include "webkit/appcache/appcache_interfaces.h" |
| 10 #include "webkit/appcache/appcache_request_handler.h" | 10 #include "webkit/appcache/appcache_request_handler.h" |
| 11 #include "webkit/appcache/appcache_service.h" | 11 #include "webkit/appcache/appcache_service.h" |
| 12 #include "webkit/appcache/appcache_url_request_job.h" | 12 #include "webkit/appcache/appcache_url_request_job.h" |
| 13 | 13 |
| 14 namespace appcache { | 14 namespace appcache { |
| 15 | 15 |
| 16 void AppCacheInterceptor::SetHandler( | 16 void AppCacheInterceptor::SetHandler( |
| 17 URLRequest* request, AppCacheRequestHandler* handler) { | 17 net::URLRequest* request, AppCacheRequestHandler* handler) { |
| 18 request->SetUserData(instance(), handler); // request takes ownership | 18 request->SetUserData(instance(), handler); // request takes ownership |
| 19 } | 19 } |
| 20 | 20 |
| 21 AppCacheRequestHandler* AppCacheInterceptor::GetHandler(URLRequest* request) { | 21 AppCacheRequestHandler* AppCacheInterceptor::GetHandler( |
| 22 net::URLRequest* request) { |
| 22 return reinterpret_cast<AppCacheRequestHandler*>( | 23 return reinterpret_cast<AppCacheRequestHandler*>( |
| 23 request->GetUserData(instance())); | 24 request->GetUserData(instance())); |
| 24 } | 25 } |
| 25 | 26 |
| 26 void AppCacheInterceptor::SetExtraRequestInfo( | 27 void AppCacheInterceptor::SetExtraRequestInfo( |
| 27 URLRequest* request, AppCacheService* service, int process_id, | 28 net::URLRequest* request, AppCacheService* service, int process_id, |
| 28 int host_id, ResourceType::Type resource_type) { | 29 int host_id, ResourceType::Type resource_type) { |
| 29 if (!service || (host_id == kNoHostId)) | 30 if (!service || (host_id == kNoHostId)) |
| 30 return; | 31 return; |
| 31 | 32 |
| 32 AppCacheBackendImpl* backend = service->GetBackend(process_id); | 33 AppCacheBackendImpl* backend = service->GetBackend(process_id); |
| 33 if (!backend) | 34 if (!backend) |
| 34 return; | 35 return; |
| 35 | 36 |
| 36 // TODO(michaeln): An invalid host id is indicative of bad data | 37 // TODO(michaeln): An invalid host id is indicative of bad data |
| 37 // from a child process. How should we handle that here? | 38 // from a child process. How should we handle that here? |
| 38 AppCacheHost* host = backend->GetHost(host_id); | 39 AppCacheHost* host = backend->GetHost(host_id); |
| 39 if (!host) | 40 if (!host) |
| 40 return; | 41 return; |
| 41 | 42 |
| 42 // Create a handler for this request and associate it with the request. | 43 // Create a handler for this request and associate it with the request. |
| 43 AppCacheRequestHandler* handler = | 44 AppCacheRequestHandler* handler = |
| 44 host->CreateRequestHandler(request, resource_type); | 45 host->CreateRequestHandler(request, resource_type); |
| 45 if (handler) | 46 if (handler) |
| 46 SetHandler(request, handler); | 47 SetHandler(request, handler); |
| 47 } | 48 } |
| 48 | 49 |
| 49 void AppCacheInterceptor::GetExtraResponseInfo(URLRequest* request, | 50 void AppCacheInterceptor::GetExtraResponseInfo(net::URLRequest* request, |
| 50 int64* cache_id, | 51 int64* cache_id, |
| 51 GURL* manifest_url) { | 52 GURL* manifest_url) { |
| 52 DCHECK(*cache_id == kNoCacheId); | 53 DCHECK(*cache_id == kNoCacheId); |
| 53 DCHECK(manifest_url->is_empty()); | 54 DCHECK(manifest_url->is_empty()); |
| 54 AppCacheRequestHandler* handler = GetHandler(request); | 55 AppCacheRequestHandler* handler = GetHandler(request); |
| 55 if (handler) | 56 if (handler) |
| 56 handler->GetExtraResponseInfo(cache_id, manifest_url); | 57 handler->GetExtraResponseInfo(cache_id, manifest_url); |
| 57 } | 58 } |
| 58 | 59 |
| 59 AppCacheInterceptor::AppCacheInterceptor() { | 60 AppCacheInterceptor::AppCacheInterceptor() { |
| 60 URLRequest::RegisterRequestInterceptor(this); | 61 net::URLRequest::RegisterRequestInterceptor(this); |
| 61 } | 62 } |
| 62 | 63 |
| 63 AppCacheInterceptor::~AppCacheInterceptor() { | 64 AppCacheInterceptor::~AppCacheInterceptor() { |
| 64 URLRequest::UnregisterRequestInterceptor(this); | 65 net::URLRequest::UnregisterRequestInterceptor(this); |
| 65 } | 66 } |
| 66 | 67 |
| 67 URLRequestJob* AppCacheInterceptor::MaybeIntercept(URLRequest* request) { | 68 URLRequestJob* AppCacheInterceptor::MaybeIntercept(net::URLRequest* request) { |
| 68 AppCacheRequestHandler* handler = GetHandler(request); | 69 AppCacheRequestHandler* handler = GetHandler(request); |
| 69 if (!handler) | 70 if (!handler) |
| 70 return NULL; | 71 return NULL; |
| 71 return handler->MaybeLoadResource(request); | 72 return handler->MaybeLoadResource(request); |
| 72 } | 73 } |
| 73 | 74 |
| 74 URLRequestJob* AppCacheInterceptor::MaybeInterceptRedirect( | 75 URLRequestJob* AppCacheInterceptor::MaybeInterceptRedirect( |
| 75 URLRequest* request, | 76 net::URLRequest* request, |
| 76 const GURL& location) { | 77 const GURL& location) { |
| 77 AppCacheRequestHandler* handler = GetHandler(request); | 78 AppCacheRequestHandler* handler = GetHandler(request); |
| 78 if (!handler) | 79 if (!handler) |
| 79 return NULL; | 80 return NULL; |
| 80 return handler->MaybeLoadFallbackForRedirect(request, location); | 81 return handler->MaybeLoadFallbackForRedirect(request, location); |
| 81 } | 82 } |
| 82 | 83 |
| 83 URLRequestJob* AppCacheInterceptor::MaybeInterceptResponse( | 84 URLRequestJob* AppCacheInterceptor::MaybeInterceptResponse( |
| 84 URLRequest* request) { | 85 net::URLRequest* request) { |
| 85 AppCacheRequestHandler* handler = GetHandler(request); | 86 AppCacheRequestHandler* handler = GetHandler(request); |
| 86 if (!handler) | 87 if (!handler) |
| 87 return NULL; | 88 return NULL; |
| 88 return handler->MaybeLoadFallbackForResponse(request); | 89 return handler->MaybeLoadFallbackForResponse(request); |
| 89 } | 90 } |
| 90 | 91 |
| 91 } // namespace appcache | 92 } // namespace appcache |
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