| // 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 "base/time/time.h" |
| #include "content/browser/service_worker/service_worker_installed_script_reader.h" |
| #include "mojo/public/cpp/bindings/pending_remote.h" |
| #include "mojo/public/cpp/bindings/remote.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 { |
| |
| class ServiceWorkerVersion; |
| |
| // A URLLoader that loads an installed service worker script for a service |
| // worker that doesn't have a ServiceWorkerInstalledScriptsManager. |
| // |
| // Some cases where this happens: |
| // - a new (non-installed) service worker requests a script that it already |
| // installed, e.g., importScripts('a.js') multiple times. |
| // - a service worker that was new when it started and became installed while |
| // running requests an installed script, e.g., importScripts('a.js') after |
| // installation. |
| class ServiceWorkerInstalledScriptLoader |
| : public network::mojom::URLLoader, |
| public ServiceWorkerInstalledScriptReader::Client, |
| public mojo::DataPipeDrainer::Client { |
| public: |
| ServiceWorkerInstalledScriptLoader( |
| uint32_t options, |
| mojo::PendingRemote<network::mojom::URLLoaderClient> client, |
| mojo::Remote<storage::mojom::ServiceWorkerResourceReader> resource_reader, |
| scoped_refptr<ServiceWorkerVersion> |
| version_for_main_script_http_response_info, |
| const GURL& request_url); |
| |
| ServiceWorkerInstalledScriptLoader( |
| const ServiceWorkerInstalledScriptLoader&) = delete; |
| ServiceWorkerInstalledScriptLoader& operator=( |
| const ServiceWorkerInstalledScriptLoader&) = delete; |
| |
| ~ServiceWorkerInstalledScriptLoader() override; |
| |
| // ServiceWorkerInstalledScriptReader::Client overrides: |
| void OnStarted(network::mojom::URLResponseHeadPtr response_head, |
| absl::optional<mojo_base::BigBuffer> metadata, |
| mojo::ScopedDataPipeConsumerHandle body_handle, |
| mojo::ScopedDataPipeConsumerHandle meta_data_handle) override; |
| void OnFinished( |
| ServiceWorkerInstalledScriptReader::FinishedReason reason) override; |
| |
| // network::mojom::URLLoader overrides: |
| void FollowRedirect( |
| const std::vector<std::string>& removed_headers, |
| const net::HttpRequestHeaders& modified_headers, |
| const net::HttpRequestHeaders& modified_cors_exempt_headers, |
| const absl::optional<GURL>& new_url) 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 {} |
| |
| mojo::Remote<network::mojom::URLLoaderClient> client_; |
| scoped_refptr<ServiceWorkerVersion> |
| version_for_main_script_http_response_info_; |
| 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_; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_INSTALLED_SCRIPT_LOADER_H_ |