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.
5 #ifndef CONTENT_PUBLIC_BROWSER_RESOURCE_THROTTLE_H_
6 #define CONTENT_PUBLIC_BROWSER_RESOURCE_THROTTLE_H_
14 class ResourceController;
16 // A ResourceThrottle gets notified at various points during the process of
17 // loading a resource. At each stage, it has the opportunity to defer the
18 // resource load. The ResourceController interface may be used to resume a
19 // deferred resource load, or it may be used to cancel a resource load at any
21 class ResourceThrottle {
23 virtual ~ResourceThrottle() {}
25 virtual void WillStartRequest(bool* defer) {}
26 virtual void WillRedirectRequest(const GURL& new_url, bool* defer) {}
27 virtual void WillProcessResponse(bool* defer) {}
29 void set_controller_for_testing(ResourceController* c) {
34 ResourceThrottle() : controller_(NULL) {}
35 ResourceController* controller() { return controller_; }
38 friend class ThrottlingResourceHandler;
39 void set_controller(ResourceController* c) { controller_ = c; }
41 ResourceController* controller_;
44 } // namespace content
46 #endif // CONTENT_PUBLIC_BROWSER_RESOURCE_THROTTLE_H_