| // Copyright 2018 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_INSTALLED_SCRIPT_LOADER_H_ |
| #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_INSTALLED_SCRIPT_LOADER_H_ |
| |
| #include "content/browser/service_worker/service_worker_disk_cache.h" |
| #include "content/browser/service_worker/service_worker_installed_script_reader.h" |
| #include "content/common/content_export.h" |
| #include "mojo/public/cpp/bindings/binding.h" |
| #include "mojo/public/cpp/system/data_pipe.h" |
| #include "mojo/public/cpp/system/data_pipe_drainer.h" |
| #include "services/network/public/mojom/url_loader.mojom.h" |
| |
| namespace content { |
| |
| // S13nServiceWorker: A URLLoader that loads an installed service worker script |
| // for a non-installed service worker. |
| // |
| // This only happens when a service worker that's still being installed uses |
| // importScripts() to load a script multiple times, or load the main script |
| // again, which is an unusual case. In the usual cases, installed scripts are |
| // served to installed service workers via service worker script streaming |
| // (i.e., ServiceWorkerInstalledScriptsSender) and non-installed scripts are |
| // served to non-installed service workers via ServiceWorkerNewScriptLoader. |
| class CONTENT_EXPORT ServiceWorkerInstalledScriptLoader |
| : public network::mojom::URLLoader, |
| public ServiceWorkerInstalledScriptReader::Client, |
| public mojo::DataPipeDrainer::Client { |
| public: |
| ServiceWorkerInstalledScriptLoader( |
| uint32_t options, |
| network::mojom::URLLoaderClientPtr client, |
| std::unique_ptr<ServiceWorkerResponseReader> response_reader); |
| ~ServiceWorkerInstalledScriptLoader() override; |
| |
| // ServiceWorkerInstalledScriptReader::Client overrides: |
| void OnStarted(std::string encoding, |
| base::flat_map<std::string, std::string> headers, |
| mojo::ScopedDataPipeConsumerHandle body_handle, |
| uint64_t body_size, |
| mojo::ScopedDataPipeConsumerHandle meta_data_handle, |
| uint64_t meta_data_size) override; |
| void OnHttpInfoRead( |
| scoped_refptr<HttpResponseInfoIOBuffer> http_info) override; |
| void OnFinished( |
| ServiceWorkerInstalledScriptReader::FinishedReason reason) override; |
| |
| // network::mojom::URLLoader overrides: |
| void FollowRedirect() override; |
| void ProceedWithResponse() override; |
| void SetPriority(net::RequestPriority priority, |
| int32_t intra_priority_value) override; |
| void PauseReadingBodyFromNet() override; |
| void ResumeReadingBodyFromNet() override; |
| |
| private: |
| // mojo::DataPipeDrainer::Client overrides: |
| // These just do nothing. |
| void OnDataAvailable(const void* data, size_t num_bytes) override {} |
| void OnDataComplete() override {} |
| |
| uint32_t options_ = network::mojom::kURLLoadOptionNone; |
| network::mojom::URLLoaderClientPtr client_; |
| base::TimeTicks request_start_; |
| std::unique_ptr<ServiceWorkerInstalledScriptReader> reader_; |
| |
| std::string encoding_; |
| mojo::ScopedDataPipeConsumerHandle body_handle_; |
| uint64_t body_size_ = 0; |
| std::unique_ptr<mojo::DataPipeDrainer> metadata_drainer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ServiceWorkerInstalledScriptLoader); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_INSTALLED_SCRIPT_LOADER_H_ |