| // 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_SERVICE_WORKER_SERVICE_WORKER_REQUEST_HANDLER_H_ |
| #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REQUEST_HANDLER_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/supports_user_data.h" |
| #include "base/time/time.h" |
| #include "content/common/content_export.h" |
| #include "content/common/service_worker/service_worker_status_code.h" |
| #include "content/common/service_worker/service_worker_types.h" |
| #include "content/public/common/request_context_frame_type.h" |
| #include "content/public/common/request_context_type.h" |
| #include "content/public/common/resource_type.h" |
| #include "net/url_request/url_request_job_factory.h" |
| |
| namespace net { |
| class NetworkDelegate; |
| class URLRequest; |
| class URLRequestInterceptor; |
| } |
| |
| namespace storage { |
| class BlobStorageContext; |
| } |
| |
| namespace content { |
| |
| class ResourceContext; |
| class ResourceRequestBody; |
| class ServiceWorkerContextCore; |
| class ServiceWorkerContextWrapper; |
| class ServiceWorkerProviderHost; |
| struct ResourceResponseInfo; |
| |
| // Abstract base class for routing network requests to ServiceWorkers. |
| // Created one per URLRequest and attached to each request. |
| class CONTENT_EXPORT ServiceWorkerRequestHandler |
| : public base::SupportsUserData::Data { |
| public: |
| // Attaches a newly created handler if the given |request| needs to |
| // be handled by ServiceWorker. |
| // TODO(kinuko): While utilizing UserData to attach data to URLRequest |
| // has some precedence, it might be better to attach this handler in a more |
| // explicit way within content layer, e.g. have ResourceRequestInfoImpl |
| // own it. |
| static void InitializeHandler( |
| net::URLRequest* request, |
| ServiceWorkerContextWrapper* context_wrapper, |
| storage::BlobStorageContext* blob_storage_context, |
| int process_id, |
| int provider_id, |
| bool skip_service_worker, |
| FetchRequestMode request_mode, |
| FetchCredentialsMode credentials_mode, |
| ResourceType resource_type, |
| RequestContextType request_context_type, |
| RequestContextFrameType frame_type, |
| scoped_refptr<ResourceRequestBody> body); |
| |
| // Returns the handler attached to |request|. This may return NULL |
| // if no handler is attached. |
| static ServiceWorkerRequestHandler* GetHandler( |
| net::URLRequest* request); |
| |
| // Creates a protocol interceptor for ServiceWorker. |
| static scoped_ptr<net::URLRequestInterceptor> CreateInterceptor( |
| ResourceContext* resource_context); |
| |
| // Returns true if the request falls into the scope of a ServiceWorker. |
| // It's only reliable after the ServiceWorkerRequestHandler MaybeCreateJob |
| // method runs to completion for this request. The AppCache handler uses |
| // this to avoid colliding with ServiceWorkers. |
| static bool IsControlledByServiceWorker(net::URLRequest* request); |
| |
| ~ServiceWorkerRequestHandler() override; |
| |
| // Called via custom URLRequestJobFactory. |
| virtual net::URLRequestJob* MaybeCreateJob( |
| net::URLRequest* request, |
| net::NetworkDelegate* network_delegate, |
| ResourceContext* context) = 0; |
| |
| virtual void GetExtraResponseInfo( |
| ResourceResponseInfo* response_info) const = 0; |
| |
| // Methods to support cross site navigations. |
| void PrepareForCrossSiteTransfer(int old_process_id); |
| void CompleteCrossSiteTransfer(int new_process_id, |
| int new_provider_id); |
| void MaybeCompleteCrossSiteTransferInOldProcess( |
| int old_process_id); |
| |
| ServiceWorkerContextCore* context() const { return context_.get(); } |
| |
| protected: |
| ServiceWorkerRequestHandler( |
| base::WeakPtr<ServiceWorkerContextCore> context, |
| base::WeakPtr<ServiceWorkerProviderHost> provider_host, |
| base::WeakPtr<storage::BlobStorageContext> blob_storage_context, |
| ResourceType resource_type); |
| |
| base::WeakPtr<ServiceWorkerContextCore> context_; |
| base::WeakPtr<ServiceWorkerProviderHost> provider_host_; |
| base::WeakPtr<storage::BlobStorageContext> blob_storage_context_; |
| ResourceType resource_type_; |
| |
| private: |
| scoped_ptr<ServiceWorkerProviderHost> host_for_cross_site_transfer_; |
| int old_process_id_; |
| int old_provider_id_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRequestHandler); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REQUEST_HANDLER_H_ |