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Side by Side Diff: chrome/browser/renderer_host/resource_handler.h

Issue 5384002: net: Remove typedef net::URLRequest URLRequest; (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: review Created 10 years ago
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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // This is the browser side of the resource dispatcher, it receives requests 5 // This is the browser side of the resource dispatcher, it receives requests
6 // from the RenderProcessHosts, and dispatches them to URLRequests. It then 6 // from the RenderProcessHosts, and dispatches them to URLRequests. It then
7 // fowards the messages from the URLRequests back to the correct process for 7 // fowards the messages from the URLRequests back to the correct process for
8 // handling. 8 // handling.
9 // 9 //
10 // See http://dev.chromium.org/developers/design-documents/multi-process-resourc e-loading 10 // See http://dev.chromium.org/developers/design-documents/multi-process-resourc e-loading
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41 // false. Set |*defer| to true to defer the redirect. The redirect may be 41 // false. Set |*defer| to true to defer the redirect. The redirect may be
42 // followed later on via ResourceDispatcherHost::FollowDeferredRedirect. 42 // followed later on via ResourceDispatcherHost::FollowDeferredRedirect.
43 virtual bool OnRequestRedirected(int request_id, const GURL& url, 43 virtual bool OnRequestRedirected(int request_id, const GURL& url,
44 ResourceResponse* response, 44 ResourceResponse* response,
45 bool* defer) = 0; 45 bool* defer) = 0;
46 46
47 // Response headers and meta data are available. 47 // Response headers and meta data are available.
48 virtual bool OnResponseStarted(int request_id, 48 virtual bool OnResponseStarted(int request_id,
49 ResourceResponse* response) = 0; 49 ResourceResponse* response) = 0;
50 50
51 // Called before the URLRequest for |request_id| (whose url is |url|) is to be 51 // Called before the net::URLRequest for |request_id| (whose url is |url|) is
52 // started. If the handler returns false, then the request is cancelled. 52 // to be started. If the handler returns false, then the request is cancelled.
53 // Otherwise if the return value is true, the ResourceHandler can delay the 53 // Otherwise if the return value is true, the ResourceHandler can delay the
54 // request from starting by setting |*defer = true|. A deferred request will 54 // request from starting by setting |*defer = true|. A deferred request will
55 // not have called URLRequest::Start(), and will not resume until someone 55 // not have called net::URLRequest::Start(), and will not resume until someone
56 // calls ResourceDispatcherHost::StartDeferredRequest(). 56 // calls ResourceDispatcherHost::StartDeferredRequest().
57 virtual bool OnWillStart(int request_id, const GURL& url, bool* defer) = 0; 57 virtual bool OnWillStart(int request_id, const GURL& url, bool* defer) = 0;
58 58
59 // Data will be read for the response. Upon success, this method places the 59 // Data will be read for the response. Upon success, this method places the
60 // size and address of the buffer where the data is to be written in its 60 // size and address of the buffer where the data is to be written in its
61 // out-params. This call will be followed by either OnReadCompleted or 61 // out-params. This call will be followed by either OnReadCompleted or
62 // OnResponseCompleted, at which point the buffer may be recycled. 62 // OnResponseCompleted, at which point the buffer may be recycled.
63 virtual bool OnWillRead(int request_id, 63 virtual bool OnWillRead(int request_id,
64 net::IOBuffer** buf, 64 net::IOBuffer** buf,
65 int* buf_size, 65 int* buf_size,
66 int min_size) = 0; 66 int min_size) = 0;
67 67
68 // Data (*bytes_read bytes) was written into the buffer provided by 68 // Data (*bytes_read bytes) was written into the buffer provided by
69 // OnWillRead. A return value of false cancels the request, true continues 69 // OnWillRead. A return value of false cancels the request, true continues
70 // reading data. 70 // reading data.
71 virtual bool OnReadCompleted(int request_id, int* bytes_read) = 0; 71 virtual bool OnReadCompleted(int request_id, int* bytes_read) = 0;
72 72
73 // The response is complete. The final response status is given. 73 // The response is complete. The final response status is given.
74 // Returns false if the handler is deferring the call to a later time. 74 // Returns false if the handler is deferring the call to a later time.
75 virtual bool OnResponseCompleted(int request_id, 75 virtual bool OnResponseCompleted(int request_id,
76 const URLRequestStatus& status, 76 const URLRequestStatus& status,
77 const std::string& security_info) = 0; 77 const std::string& security_info) = 0;
78 78
79 // Signals that the request is closed (i.e. finished successfully, cancelled). 79 // Signals that the request is closed (i.e. finished successfully, cancelled).
80 // This is a signal that the associated URLRequest isn't valid anymore. 80 // This is a signal that the associated net::URLRequest isn't valid anymore.
81 virtual void OnRequestClosed() = 0; 81 virtual void OnRequestClosed() = 0;
82 82
83 // This notification is synthesized by the RedirectToFileResourceHandler 83 // This notification is synthesized by the RedirectToFileResourceHandler
84 // to indicate progress of 'download_to_file' requests. OnReadCompleted 84 // to indicate progress of 'download_to_file' requests. OnReadCompleted
85 // calls are consumed by the RedirectToFileResourceHandler and replaced 85 // calls are consumed by the RedirectToFileResourceHandler and replaced
86 // with OnDataDownloaded calls. 86 // with OnDataDownloaded calls.
87 virtual void OnDataDownloaded(int request_id, int bytes_downloaded) {} 87 virtual void OnDataDownloaded(int request_id, int bytes_downloaded) {}
88 88
89 protected: 89 protected:
90 friend class BrowserThread; 90 friend class BrowserThread;
91 friend class DeleteTask<ResourceHandler>; 91 friend class DeleteTask<ResourceHandler>;
92 92
93 virtual ~ResourceHandler() {} 93 virtual ~ResourceHandler() {}
94 }; 94 };
95 95
96 #endif // CHROME_BROWSER_RENDERER_HOST_RESOURCE_HANDLER_H_ 96 #endif // CHROME_BROWSER_RENDERER_HOST_RESOURCE_HANDLER_H_
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