| // 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_LOADER_PREFETCH_URL_LOADER_SERVICE_H_ |
| #define CONTENT_BROWSER_LOADER_PREFETCH_URL_LOADER_SERVICE_H_ |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "content/browser/web_package/signed_exchange_prefetch_metric_recorder.h" |
| #include "content/common/content_export.h" |
| #include "content/common/url_loader_factory_bundle.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "mojo/public/cpp/bindings/strong_binding_set.h" |
| #include "services/network/public/mojom/url_loader_factory.mojom.h" |
| |
| namespace net { |
| class URLRequestContextGetter; |
| } |
| |
| namespace network { |
| class SharedURLLoaderFactory; |
| } |
| |
| namespace content { |
| |
| class ResourceContext; |
| class URLLoaderFactoryGetter; |
| class URLLoaderThrottle; |
| |
| class CONTENT_EXPORT PrefetchURLLoaderService final |
| : public base::RefCountedThreadSafe<PrefetchURLLoaderService, |
| BrowserThread::DeleteOnIOThread>, |
| public network::mojom::URLLoaderFactory { |
| public: |
| PrefetchURLLoaderService(); |
| |
| // Must be called on the IO thread. The given |resource_context| will |
| // be valid as far as request_context_getter returns non-null context. |
| void InitializeResourceContext( |
| ResourceContext* resource_context, |
| scoped_refptr<net::URLRequestContextGetter> request_context_getter); |
| |
| void GetFactory( |
| network::mojom::URLLoaderFactoryRequest request, |
| int frame_tree_node_id, |
| std::unique_ptr<network::SharedURLLoaderFactoryInfo> factory_info); |
| |
| // Used only when NetworkService is not enabled (or indirectly via the |
| // other CreateLoaderAndStart when NetworkService is enabled). |
| // This creates a loader and starts fetching using the given |
| // |network_lader_factory|. |frame_tree_node_id| may be given and used to |
| // create necessary throttles when Network Service is enabled when the |
| // created loader internally makes additional requests. |
| void CreateLoaderAndStart( |
| network::mojom::URLLoaderRequest request, |
| int32_t routing_id, |
| int32_t request_id, |
| uint32_t options, |
| const network::ResourceRequest& resource_request, |
| network::mojom::URLLoaderClientPtr client, |
| const net::MutableNetworkTrafficAnnotationTag& traffic_annotation, |
| scoped_refptr<network::SharedURLLoaderFactory> network_loader_factory, |
| base::RepeatingCallback<int(void)> frame_tree_node_id_getter); |
| |
| // Register a callback that is fired right before a prefetch load is started |
| // by this service. |
| void RegisterPrefetchLoaderCallbackForTest( |
| const base::RepeatingClosure& prefetch_load_callback) { |
| prefetch_load_callback_for_testing_ = prefetch_load_callback; |
| } |
| |
| scoped_refptr<SignedExchangePrefetchMetricRecorder> |
| signed_exchange_prefetch_metric_recorder() { |
| return signed_exchange_prefetch_metric_recorder_; |
| } |
| |
| private: |
| friend class base::DeleteHelper<content::PrefetchURLLoaderService>; |
| friend struct BrowserThread::DeleteOnThread<BrowserThread::IO>; |
| struct BindContext; |
| |
| ~PrefetchURLLoaderService() override; |
| |
| // network::mojom::URLLoaderFactory: |
| void CreateLoaderAndStart(network::mojom::URLLoaderRequest request, |
| int32_t routing_id, |
| int32_t request_id, |
| uint32_t options, |
| const network::ResourceRequest& resource_request, |
| network::mojom::URLLoaderClientPtr client, |
| const net::MutableNetworkTrafficAnnotationTag& |
| traffic_annotation) override; |
| void Clone(network::mojom::URLLoaderFactoryRequest request) override; |
| |
| // For URLLoaderThrottlesGetter. |
| std::vector<std::unique_ptr<content::URLLoaderThrottle>> |
| CreateURLLoaderThrottles( |
| const network::ResourceRequest& request, |
| base::RepeatingCallback<int(void)> frame_tree_node_id_getter); |
| |
| scoped_refptr<URLLoaderFactoryGetter> loader_factory_getter_; |
| ResourceContext* resource_context_ = nullptr; |
| scoped_refptr<net::URLRequestContextGetter> request_context_getter_; |
| |
| mojo::BindingSet<network::mojom::URLLoaderFactory, |
| std::unique_ptr<BindContext>> |
| loader_factory_bindings_; |
| |
| base::RepeatingClosure prefetch_load_callback_for_testing_; |
| |
| scoped_refptr<SignedExchangePrefetchMetricRecorder> |
| signed_exchange_prefetch_metric_recorder_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PrefetchURLLoaderService); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_LOADER_PREFETCH_URL_LOADER_SERVICE_H_ |