chrome/browser/prerender/prerender_events.h

   1 // Copyright (c) 2013 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.
   4
   5 #ifndef CHROME_BROWSER_PRERENDER_PRERENDER_EVENTS_H_
   6 #define CHROME_BROWSER_PRERENDER_PRERENDER_EVENTS_H_
   7
   8 namespace prerender {
   9
  10 // Events registered during prerendering used for debugging purposes and to
  11 // gather metrics.
  12 enum PrerenderEvent {
  13   PRERENDER_EVENT_SWAPIN_NO_DELEGATE = 0,
  14   PRERENDER_EVENT_SWAPIN_CANDIDATE = 1,
  15   PRERENDER_EVENT_SWAPIN_CANDIDATE_NAMESPACE_MATCHES = 2,
  16   PRERENDER_EVENT_SWAPIN_NO_MERGE_PENDING = 3,
  17   PRERENDER_EVENT_SWAPIN_MERGING_DISABLED = 4,
  18   PRERENDER_EVENT_SWAPIN_ISSUING_MERGE = 5,
  19   PRERENDER_EVENT_MERGE_FOR_SWAPIN_CANDIDATE = 6,
  20   PRERENDER_EVENT_MERGE_RESULT_NO_PENDING_SWAPIN = 7,
  21   // Obsolete: PRERENDER_EVENT_MERGE_RESULT_TIMEOUT_CB = 8,
  22   // Obsolete: PRERENDER_EVENT_MERGE_RESULT_RESULT_CB = 9,
  23   PRERENDER_EVENT_MERGE_RESULT_TIMED_OUT = 10,
  24   PRERENDER_EVENT_MERGE_RESULT_MERGE_DONE = 11,
  25   PRERENDER_EVENT_MERGE_RESULT_RESULT_NAMESPACE_NOT_FOUND = 12,
  26   PRERENDER_EVENT_MERGE_RESULT_RESULT_NAMESPACE_NOT_ALIAS = 13,
  27   PRERENDER_EVENT_MERGE_RESULT_RESULT_NOT_LOGGING = 14,
  28   PRERENDER_EVENT_MERGE_RESULT_RESULT_NO_TRANSACTIONS = 15,
  29   PRERENDER_EVENT_MERGE_RESULT_RESULT_TOO_MANY_TRANSACTIONS = 16,
  30   PRERENDER_EVENT_MERGE_RESULT_RESULT_NOT_MERGEABLE = 17,
  31   PRERENDER_EVENT_MERGE_RESULT_RESULT_MERGEABLE = 18,
  32   PRERENDER_EVENT_MERGE_RESULT_MERGE_FAILED = 19,
  33   PRERENDER_EVENT_MERGE_RESULT_SWAPPING_IN = 20,
  34   // Obsolete: PRERENDER_EVENT_MERGE_RESULT_SWAPIN_SUCCESSFUL = 21,
  35   PRERENDER_EVENT_MERGE_RESULT_SWAPIN_FAILED = 22,
  36   PRERENDER_EVENT_MAX,
  37 };
  38
  39 // Return a human-readable name for |event|.
  40 const char* NameFromPrerenderEvent(PrerenderEvent event);
  41
  42 }  // namespace prerender
  43
  44 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_EVENTS_H_