1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_PUBLIC_BROWSER_RESOURCE_DISPATCHER_HOST_H_ 6 #define CONTENT_PUBLIC_BROWSER_RESOURCE_DISPATCHER_HOST_H_ 7 8 #include "base/callback_forward.h" 9 #include "net/base/net_errors.h" 10 11 namespace net { 12 class URLRequest; 13 } 14 15 namespace content { 16 17 class DownloadItem; 18 class ResourceContext; 19 class ResourceDispatcherHostDelegate; 20 struct DownloadSaveInfo; 21 struct Referrer; 22 23 class CONTENT_EXPORT ResourceDispatcherHost { 24 public: 25 typedef base::Callback<void(DownloadItem*, net::Error)> 26 DownloadStartedCallback; 27 28 // Returns the singleton instance of the ResourceDispatcherHost. 29 static ResourceDispatcherHost* Get(); 30 31 // This does not take ownership of the delegate. It is expected that the 32 // delegate have a longer lifetime than the ResourceDispatcherHost. 33 virtual void SetDelegate(ResourceDispatcherHostDelegate* delegate) = 0; 34 35 // Controls whether third-party sub-content can pop-up HTTP basic auth 36 // dialog boxes. 37 virtual void SetAllowCrossOriginAuthPrompt(bool value) = 0; 38 39 // Initiates a download by explicit request of the renderer (e.g. due to 40 // alt-clicking a link) or some other chrome subsystem. 41 // |is_content_initiated| is used to indicate that the request was generated 42 // from a web page, and hence may not be as trustworthy as a browser 43 // generated request. If |download_id| is invalid, a download id will be 44 // automatically assigned to the request, otherwise the specified download id 45 // will be used. (Note that this will result in re-use of an existing 46 // download item if the download id was already assigned.) If the download 47 // is started, |started_callback| will be called on the UI thread with the 48 // DownloadItem; otherwise an error code will be returned. 49 virtual net::Error BeginDownload( 50 scoped_ptr<net::URLRequest> request, 51 const Referrer& referrer, 52 bool is_content_initiated, 53 ResourceContext* context, 54 int child_id, 55 int route_id, 56 bool prefer_cache, 57 scoped_ptr<DownloadSaveInfo> save_info, 58 uint32 download_id, 59 const DownloadStartedCallback& started_callback) = 0; 60 61 // Clears the ResourceDispatcherHostLoginDelegate associated with the request. 62 virtual void ClearLoginDelegateForRequest(net::URLRequest* request) = 0; 63 64 // Causes all new requests for the route identified by |child_id| and 65 // |route_id| to be blocked (not being started) until 66 // ResumeBlockedRequestsForRoute is called. 67 virtual void BlockRequestsForRoute(int child_id, int route_id) = 0; 68 69 // Resumes any blocked request for the specified route id. 70 virtual void ResumeBlockedRequestsForRoute(int child_id, int route_id) = 0; 71 72 protected: 73 virtual ~ResourceDispatcherHost() {} 74 }; 75 76 } // namespace content 77 78 #endif // CONTENT_PUBLIC_BROWSER_RESOURCE_DISPATCHER_HOST_H_ 79