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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 #ifndef CHROME_BROWSER_RENDERER_HOST_OFFLINE_RESOURCE_THROTTLE_H_ | 5 #ifndef CHROME_BROWSER_RENDERER_HOST_OFFLINE_RESOURCE_THROTTLE_H_ |
6 #define CHROME_BROWSER_RENDERER_HOST_OFFLINE_RESOURCE_THROTTLE_H_ | 6 #define CHROME_BROWSER_RENDERER_HOST_OFFLINE_RESOURCE_THROTTLE_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
11 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
12 #include "chrome/browser/chromeos/offline/offline_load_page.h" | 12 #include "chrome/browser/chromeos/offline/offline_load_page.h" |
13 #include "content/public/browser/resource_throttle.h" | 13 #include "content/public/browser/resource_throttle.h" |
14 #include "net/base/completion_callback.h" | 14 #include "net/base/completion_callback.h" |
15 | 15 |
16 namespace appcache { | 16 namespace content { |
17 class AppCacheService; | 17 class AppCacheService; |
18 } | 18 } |
19 | 19 |
20 namespace net { | 20 namespace net { |
21 class URLRequest; | 21 class URLRequest; |
22 } | 22 } |
23 // Used to show an offline interstitial page when the network is not available. | 23 // Used to show an offline interstitial page when the network is not available. |
24 class OfflineResourceThrottle | 24 class OfflineResourceThrottle |
25 : public content::ResourceThrottle, | 25 : public content::ResourceThrottle, |
26 public base::SupportsWeakPtr<OfflineResourceThrottle> { | 26 public base::SupportsWeakPtr<OfflineResourceThrottle> { |
27 public: | 27 public: |
28 OfflineResourceThrottle(net::URLRequest* request, | 28 OfflineResourceThrottle(net::URLRequest* request, |
29 appcache::AppCacheService* appcache_service); | 29 content::AppCacheService* appcache_service); |
30 virtual ~OfflineResourceThrottle(); | 30 virtual ~OfflineResourceThrottle(); |
31 | 31 |
32 // content::ResourceThrottle implementation: | 32 // content::ResourceThrottle implementation: |
33 virtual void WillStartRequest(bool* defer) OVERRIDE; | 33 virtual void WillStartRequest(bool* defer) OVERRIDE; |
34 virtual const char* GetNameForLogging() const OVERRIDE; | 34 virtual const char* GetNameForLogging() const OVERRIDE; |
35 | 35 |
36 private: | 36 private: |
37 // OfflineLoadPage callback. | 37 // OfflineLoadPage callback. |
38 void OnBlockingPageComplete(bool proceed); | 38 void OnBlockingPageComplete(bool proceed); |
39 | 39 |
40 // Erase the state associated with a deferred load request. | 40 // Erase the state associated with a deferred load request. |
41 void ClearRequestInfo(); | 41 void ClearRequestInfo(); |
42 bool IsRemote(const GURL& url) const; | 42 bool IsRemote(const GURL& url) const; |
43 | 43 |
44 // True if chrome should show the offline page. | 44 // True if chrome should show the offline page. |
45 bool ShouldShowOfflinePage(const GURL& url) const; | 45 bool ShouldShowOfflinePage(const GURL& url) const; |
46 | 46 |
47 // A callback to tell if an appcache exists. | 47 // A callback to tell if an appcache exists. |
48 void OnCanHandleOfflineComplete(int rv); | 48 void OnCanHandleOfflineComplete(int rv); |
49 | 49 |
50 net::URLRequest* request_; | 50 net::URLRequest* request_; |
51 // Safe to keep a pointer around since AppCacheService outlives all requests. | 51 // Safe to keep a pointer around since AppCacheService outlives all requests. |
52 appcache::AppCacheService* appcache_service_; | 52 content::AppCacheService* appcache_service_; |
53 net::CancelableCompletionCallback appcache_completion_callback_; | 53 net::CancelableCompletionCallback appcache_completion_callback_; |
54 | 54 |
55 DISALLOW_COPY_AND_ASSIGN(OfflineResourceThrottle); | 55 DISALLOW_COPY_AND_ASSIGN(OfflineResourceThrottle); |
56 }; | 56 }; |
57 | 57 |
58 #endif // CHROME_BROWSER_RENDERER_HOST_OFFLINE_RESOURCE_THROTTLE_H_ | 58 #endif // CHROME_BROWSER_RENDERER_HOST_OFFLINE_RESOURCE_THROTTLE_H_ |
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