| // Copyright (c) 2013 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. |
| |
| #ifndef CHROME_COMMON_NET_NET_ERROR_INFO_H_ |
| #define CHROME_COMMON_NET_NET_ERROR_INFO_H_ |
| |
| namespace chrome_common_net { |
| |
| // Network error page events. Used for UMA statistics. |
| enum NetworkErrorPageEvent { |
| NETWORK_ERROR_PAGE_SHOWN, // Error pages shown. |
| |
| NETWORK_ERROR_PAGE_RELOAD_BUTTON_SHOWN, // Reload buttons shown. |
| NETWORK_ERROR_PAGE_RELOAD_BUTTON_CLICKED, // Reload button clicked. |
| NETWORK_ERROR_PAGE_RELOAD_BUTTON_ERROR, // Reload button clicked |
| // -> error. |
| |
| NETWORK_ERROR_PAGE_LOAD_STALE_BUTTON_SHOWN, // Load stale buttons shown. |
| NETWORK_ERROR_PAGE_LOAD_STALE_BUTTON_CLICKED, // Load stale button clicked. |
| NETWORK_ERROR_PAGE_LOAD_STALE_BUTTON_ERROR, // Load stale buttons -> error. |
| |
| NETWORK_ERROR_PAGE_MORE_BUTTON_CLICKED, // More button clicked. |
| |
| NETWORK_ERROR_PAGE_BROWSER_INITIATED_RELOAD, // Reload from browser. |
| |
| NETWORK_ERROR_PAGE_EVENT_MAX, |
| }; |
| |
| // The status of a DNS probe that the NetErrorTabHelper may or may not have |
| // started. |
| // |
| // The DNS_PROBE_FINISHED_* values are used in histograms, so: |
| // 1. FINISHED_UNKNOWN must remain the first FINISHED_* value. |
| // 2. FINISHED_* values must not be rearranged relative to FINISHED_UNKNOWN. |
| // 3. New FINISHED_* values must be inserted at the end. |
| // 4. New non-FINISHED_* values cannot be inserted. |
| enum DnsProbeStatus { |
| // A DNS probe may be run for this error page. (This status is only used on |
| // the renderer side before it's received a status update from the browser.) |
| DNS_PROBE_POSSIBLE, |
| |
| // A DNS probe will not be run for this error page. (This happens if the |
| // user has the "Use web service to resolve navigation errors" preference |
| // turned off, or if probes are disabled by the field trial.) |
| DNS_PROBE_NOT_RUN, |
| |
| // A DNS probe has been started for this error page. The renderer should |
| // expect to receive another IPC with one of the FINISHED statuses once the |
| // probe has finished (as long as the error page is still loaded). |
| DNS_PROBE_STARTED, |
| |
| // A DNS probe has finished with one of the following results: |
| |
| // The probe was inconclusive. |
| DNS_PROBE_FINISHED_INCONCLUSIVE, |
| |
| // There's no internet connection. |
| DNS_PROBE_FINISHED_NO_INTERNET, |
| |
| // The DNS configuration is wrong, or the servers are down or broken. |
| DNS_PROBE_FINISHED_BAD_CONFIG, |
| |
| // The DNS servers are working fine, so the domain must not exist. |
| DNS_PROBE_FINISHED_NXDOMAIN, |
| |
| DNS_PROBE_MAX |
| }; |
| |
| // Returns a string representing |status|. It should be simply the name of |
| // the value as a string, but don't rely on that. This is presented to the |
| // user as part of the DNS error page (as the error code, at the bottom), |
| // and is also used in some verbose log messages. |
| // |
| // |status| is an int because error codes are ints by the time they get to the |
| // localized error system, and we don't want to require the caller to cast back |
| // to a probe status. The function will NOTREACHED() and return an empty |
| // string if given an int that does not match a value in DnsProbeStatus (or if |
| // it is DNS_PROBE_MAX, which is not a real status). |
| const char* DnsProbeStatusToString(int status); |
| |
| // Returns true if |status| is one of the DNS_PROBE_FINISHED_* statuses. |
| bool DnsProbeStatusIsFinished(DnsProbeStatus status); |
| |
| // Record specific error page events. |
| void RecordEvent(NetworkErrorPageEvent event); |
| |
| // The error domain used to pass DNS probe statuses to the localized error |
| // code. |
| extern const char kDnsProbeErrorDomain[]; |
| |
| } // namespace chrome_common_net |
| |
| #endif // CHROME_COMMON_NET_NET_ERROR_INFO_H_ |