Add an exponential backoff to rechecking the app list doodle.
[chromium-blink-merge.git] / components / navigation_interception / intercept_navigation_resource_throttle.h
blobdb3a714ec4a5929a53d779368783ef0652a2ca98
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 COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_RESOURCE_THROTTLE_H_
6 #define COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_RESOURCE_THROTTLE_H_
8 #include <string>
10 #include "base/callback.h"
11 #include "base/memory/weak_ptr.h"
12 #include "content/public/browser/resource_throttle.h"
14 class GURL;
16 namespace content {
17 class WebContents;
20 namespace net {
21 class URLRequest;
24 namespace navigation_interception {
26 class NavigationParams;
28 // This class allows the provider of the Callback to selectively ignore top
29 // level navigations.
30 class InterceptNavigationResourceThrottle : public content::ResourceThrottle {
31 public:
32 typedef base::Callback<bool(
33 content::WebContents* /* source */,
34 const NavigationParams& /* navigation_params */)>
35 CheckOnUIThreadCallback;
37 InterceptNavigationResourceThrottle(
38 net::URLRequest* request,
39 CheckOnUIThreadCallback should_ignore_callback);
40 ~InterceptNavigationResourceThrottle() override;
42 // content::ResourceThrottle implementation:
43 void WillStartRequest(bool* defer) override;
44 void WillRedirectRequest(const net::RedirectInfo& redirect_info,
45 bool* defer) override;
46 const char* GetNameForLogging() const override;
48 private:
49 bool CheckIfShouldIgnoreNavigation(const GURL& url,
50 const std::string& method,
51 bool is_redirect);
52 void OnResultObtained(bool should_ignore_navigation);
54 net::URLRequest* request_;
55 CheckOnUIThreadCallback should_ignore_callback_;
56 base::WeakPtrFactory<InterceptNavigationResourceThrottle> weak_ptr_factory_;
58 DISALLOW_COPY_AND_ASSIGN(InterceptNavigationResourceThrottle);
61 } // namespace navigation_interception
63 #endif // COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_RESOURCE_THROTTLE_H_