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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_NET_NET_ERROR_TAB_HELPER_H_ | 5 #ifndef CHROME_BROWSER_NET_NET_ERROR_TAB_HELPER_H_ |
| 6 #define CHROME_BROWSER_NET_NET_ERROR_TAB_HELPER_H_ | 6 #define CHROME_BROWSER_NET_NET_ERROR_TAB_HELPER_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/bind.h" | 9 #include "base/bind.h" |
| 10 #include "base/compiler_specific.h" | 10 #include "base/compiler_specific.h" |
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| 80 } | 80 } |
| 81 | 81 |
| 82 private: | 82 private: |
| 83 friend class content::WebContentsUserData<NetErrorTabHelper>; | 83 friend class content::WebContentsUserData<NetErrorTabHelper>; |
| 84 | 84 |
| 85 void OnMainFrameDnsError(); | 85 void OnMainFrameDnsError(); |
| 86 | 86 |
| 87 void InitializePref(content::WebContents* contents); | 87 void InitializePref(content::WebContents* contents); |
| 88 bool ProbesAllowed() const; | 88 bool ProbesAllowed() const; |
| 89 | 89 |
| 90 base::WeakPtrFactory<NetErrorTabHelper> weak_factory_; | |
| 91 | |
| 92 // True if the last provisional load that started was for an error page. | 90 // True if the last provisional load that started was for an error page. |
| 93 bool is_error_page_; | 91 bool is_error_page_; |
| 94 | 92 |
| 95 // True if the helper has seen a main frame page load fail with a DNS error, | 93 // True if the helper has seen a main frame page load fail with a DNS error, |
| 96 // but has not yet seen a new page commit successfully afterwards. | 94 // but has not yet seen a new page commit successfully afterwards. |
| 97 bool dns_error_active_; | 95 bool dns_error_active_; |
| 98 | 96 |
| 99 // True if the helper has seen an error page commit while |dns_error_active_| | 97 // True if the helper has seen an error page commit while |dns_error_active_| |
| 100 // is true. (This should never be true if |dns_error_active_| is false.) | 98 // is true. (This should never be true if |dns_error_active_| is false.) |
| 101 bool dns_error_page_committed_; | 99 bool dns_error_page_committed_; |
| 102 | 100 |
| 103 // The status of a DNS probe that may or may not have started or finished. | 101 // The status of a DNS probe that may or may not have started or finished. |
| 104 // Since the renderer can change out from under the helper (in cross-process | 102 // Since the renderer can change out from under the helper (in cross-process |
| 105 // navigations), it re-sends the status whenever an error page commits. | 103 // navigations), it re-sends the status whenever an error page commits. |
| 106 chrome_common_net::DnsProbeStatus dns_probe_status_; | 104 chrome_common_net::DnsProbeStatus dns_probe_status_; |
| 107 | 105 |
| 108 // Optional callback for browser test to snoop on outgoing NetErrorInfo IPCs. | 106 // Optional callback for browser test to snoop on outgoing NetErrorInfo IPCs. |
| 109 DnsProbeStatusSnoopCallback dns_probe_status_snoop_callback_; | 107 DnsProbeStatusSnoopCallback dns_probe_status_snoop_callback_; |
| 110 | 108 |
| 111 // "Use a web service to resolve navigation errors" preference is required | 109 // "Use a web service to resolve navigation errors" preference is required |
| 112 // to allow probes. | 110 // to allow probes. |
| 113 BooleanPrefMember resolve_errors_with_web_service_; | 111 BooleanPrefMember resolve_errors_with_web_service_; |
| 114 | 112 |
| 113 base::WeakPtrFactory<NetErrorTabHelper> weak_factory_; |
| 114 |
| 115 DISALLOW_COPY_AND_ASSIGN(NetErrorTabHelper); | 115 DISALLOW_COPY_AND_ASSIGN(NetErrorTabHelper); |
| 116 }; | 116 }; |
| 117 | 117 |
| 118 } // namespace chrome_browser_net | 118 } // namespace chrome_browser_net |
| 119 | 119 |
| 120 #endif // CHROME_BROWSER_NET_NET_ERROR_TAB_HELPER_H_ | 120 #endif // CHROME_BROWSER_NET_NET_ERROR_TAB_HELPER_H_ |
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