diff options
Diffstat (limited to 'content/browser/renderer_host/resource_handler.h')
-rw-r--r-- | content/browser/renderer_host/resource_handler.h | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/content/browser/renderer_host/resource_handler.h b/content/browser/renderer_host/resource_handler.h deleted file mode 100644 index 2d916c1..0000000 --- a/content/browser/renderer_host/resource_handler.h +++ /dev/null @@ -1,116 +0,0 @@ -// Copyright (c) 2012 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. - -// This is the browser side of the resource dispatcher, it receives requests -// from the RenderProcessHosts, and dispatches them to URLRequests. It then -// fowards the messages from the URLRequests back to the correct process for -// handling. -// -// See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading - -#ifndef CONTENT_BROWSER_RENDERER_HOST_RESOURCE_HANDLER_H_ -#define CONTENT_BROWSER_RENDERER_HOST_RESOURCE_HANDLER_H_ - -#include <string> - -#include "base/sequenced_task_runner_helpers.h" -#include "base/threading/non_thread_safe.h" -#include "content/common/content_export.h" -#include "content/public/browser/browser_thread.h" - -class GURL; - -namespace net { -class IOBuffer; -class URLRequestStatus; -} // namespace net - -namespace content { -class ResourceController; -struct ResourceResponse; - -// The resource dispatcher host uses this interface to process network events -// for an URLRequest instance. A ResourceHandler's lifetime is bound to its -// associated URLRequest. -class CONTENT_EXPORT ResourceHandler - : public NON_EXPORTED_BASE(base::NonThreadSafe) { - public: - virtual ~ResourceHandler() {} - - // Sets the controller for this handler. - virtual void SetController(ResourceController* controller); - - // Called as upload progress is made. The return value is ignored. - virtual bool OnUploadProgress(int request_id, - uint64 position, - uint64 size) = 0; - - // The request was redirected to a new URL. |*defer| has an initial value of - // false. Set |*defer| to true to defer the redirect. The redirect may be - // followed later on via ResourceDispatcherHost::FollowDeferredRedirect. If - // the handler returns false, then the request is cancelled. - virtual bool OnRequestRedirected(int request_id, const GURL& url, - ResourceResponse* response, - bool* defer) = 0; - - // Response headers and meta data are available. If the handler returns - // false, then the request is cancelled. Set |*defer| to true to defer - // processing of the response. Call ResourceDispatcherHostImpl:: - // ResumeDeferredRequest to continue processing the response. - virtual bool OnResponseStarted(int request_id, - ResourceResponse* response, - bool* defer) = 0; - - // Called before the net::URLRequest for |request_id| (whose url is |url|) is - // to be started. If the handler returns false, then the request is - // cancelled. Otherwise if the return value is true, the ResourceHandler can - // delay the request from starting by setting |*defer = true|. A deferred - // request will not have called net::URLRequest::Start(), and will not resume - // until someone calls ResourceDispatcherHost::StartDeferredRequest(). - virtual bool OnWillStart(int request_id, const GURL& url, bool* defer) = 0; - - // Data will be read for the response. Upon success, this method places the - // size and address of the buffer where the data is to be written in its - // out-params. This call will be followed by either OnReadCompleted or - // OnResponseCompleted, at which point the buffer may be recycled. - // - // If the handler returns false, then the request is cancelled. Otherwise, - // once data is available, OnReadCompleted will be called. - virtual bool OnWillRead(int request_id, - net::IOBuffer** buf, - int* buf_size, - int min_size) = 0; - - // Data (*bytes_read bytes) was written into the buffer provided by - // OnWillRead. A return value of false cancels the request, true continues - // reading data. Set |*defer| to true to defer reading more response data. - // Call ResourceDispatcherHostImpl::ResumeDeferredRequest to continue reading - // response data. - virtual bool OnReadCompleted(int request_id, int bytes_read, - bool* defer) = 0; - - // The response is complete. The final response status is given. Returns - // false if the handler is deferring the call to a later time. Otherwise, - // the request will be destroyed upon return. - virtual bool OnResponseCompleted(int request_id, - const net::URLRequestStatus& status, - const std::string& security_info) = 0; - - // This notification is synthesized by the RedirectToFileResourceHandler - // to indicate progress of 'download_to_file' requests. OnReadCompleted - // calls are consumed by the RedirectToFileResourceHandler and replaced - // with OnDataDownloaded calls. - virtual void OnDataDownloaded(int request_id, int bytes_downloaded) {} - - protected: - ResourceHandler() : controller_(NULL) {} - ResourceController* controller() { return controller_; } - - private: - ResourceController* controller_; -}; - -} // namespace content - -#endif // CONTENT_BROWSER_RENDERER_HOST_RESOURCE_HANDLER_H_ |