content/browser/service_worker/service_worker_metrics.h

   1 // Copyright 2014 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 CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_METRICS_H_
   6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_METRICS_H_
   7
   8 #include "base/macros.h"
   9 #include "content/browser/service_worker/service_worker_database.h"
  10
  11 class GURL;
  12
  13 namespace content {
  14
  15 class ServiceWorkerMetrics {
  16  public:
  17   enum ReadResponseResult {
  18     READ_OK,
  19     READ_HEADERS_ERROR,
  20     READ_DATA_ERROR,
  21     NUM_READ_RESPONSE_RESULT_TYPES,
  22   };
  23
  24   enum WriteResponseResult {
  25     WRITE_OK,
  26     WRITE_HEADERS_ERROR,
  27     WRITE_DATA_ERROR,
  28     NUM_WRITE_RESPONSE_RESULT_TYPES,
  29   };
  30
  31   enum DeleteAndStartOverResult {
  32     DELETE_OK,
  33     DELETE_DATABASE_ERROR,
  34     DELETE_DISK_CACHE_ERROR,
  35     NUM_DELETE_AND_START_OVER_RESULT_TYPES,
  36   };
  37
  38   // Used for ServiceWorkerDiskCache.
  39   static void CountInitDiskCacheResult(bool result);
  40   static void CountReadResponseResult(ReadResponseResult result);
  41   static void CountWriteResponseResult(WriteResponseResult result);
  42
  43   // Used for ServiceWorkerDatabase.
  44   static void CountOpenDatabaseResult(ServiceWorkerDatabase::Status status);
  45   static void CountReadDatabaseResult(ServiceWorkerDatabase::Status status);
  46   static void CountWriteDatabaseResult(ServiceWorkerDatabase::Status status);
  47   static void RecordDestroyDatabaseResult(ServiceWorkerDatabase::Status status);
  48
  49   // Used for ServiceWorkerStorage.
  50   static void RecordDeleteAndStartOverResult(DeleteAndStartOverResult result);
  51
  52   // Counts the number of page loads controlled by a Service Worker.
  53   static void CountControlledPageLoad(const GURL& url);
  54
  55  private:
  56   DISALLOW_IMPLICIT_CONSTRUCTORS(ServiceWorkerMetrics);
  57 };
  58
  59 }  // namespace content
  60
  61 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_METRICS_H_