| // 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_LOADER_NAVIGATION_URL_LOADER_DELEGATE_H_ |
| #define CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_DELEGATE_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/optional.h" |
| #include "content/common/content_export.h" |
| #include "services/network/public/mojom/url_loader.mojom.h" |
| |
| namespace net { |
| struct RedirectInfo; |
| } |
| |
| namespace network { |
| struct ResourceResponse; |
| struct URLLoaderCompletionStatus; |
| } |
| |
| namespace content { |
| |
| class NavigationData; |
| struct GlobalRequestID; |
| struct SubresourceLoaderParams; |
| |
| // The delegate interface to NavigationURLLoader. |
| class CONTENT_EXPORT NavigationURLLoaderDelegate { |
| public: |
| // Called when the request is redirected. Call FollowRedirect to continue |
| // processing the request. |
| virtual void OnRequestRedirected( |
| const net::RedirectInfo& redirect_info, |
| const scoped_refptr<network::ResourceResponse>& response) = 0; |
| |
| // Called when the request receives its response. No further calls will be |
| // made to the delegate. The response body can be retrieved by implementing an |
| // URLLoaderClient and binding the |url_loader_client_endpoints|. |
| // |navigation_data| is passed to the NavigationHandle. |
| // |subresource_loader_params| is used in the network service only for passing |
| // necessary info to create a custom subresource loader in the renderer |
| // process if the navigated context is controlled by a request interceptor |
| // like AppCache or ServiceWorker. |
| virtual void OnResponseStarted( |
| const scoped_refptr<network::ResourceResponse>& response, |
| network::mojom::URLLoaderClientEndpointsPtr url_loader_client_endpoints, |
| std::unique_ptr<NavigationData> navigation_data, |
| const GlobalRequestID& request_id, |
| bool is_download, |
| bool is_stream, |
| base::Optional<SubresourceLoaderParams> subresource_loader_params) = 0; |
| |
| // Called if the request fails before receving a response. Specific |
| // fields which are used: |status.error_code| holds the error code |
| // for the failure; |status.extended_error_code| holds details if |
| // available; |status.exists_in_cache| indicates a stale cache |
| // entry; |status.ssl_info| is available when |status.error_code| is |
| // a certificate error. |
| virtual void OnRequestFailed( |
| const network::URLLoaderCompletionStatus& status) = 0; |
| |
| // Called after the network request has begun on the IO thread at time |
| // |timestamp|. This is just a thread hop but is used to compare timing |
| // against the pre-PlzNavigate codepath which didn't start the network request |
| // until after the renderer was initialized. |
| virtual void OnRequestStarted(base::TimeTicks timestamp) = 0; |
| |
| protected: |
| NavigationURLLoaderDelegate() {} |
| virtual ~NavigationURLLoaderDelegate() {} |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(NavigationURLLoaderDelegate); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_DELEGATE_H_ |