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 namespace content {
  12
  13 class ServiceWorkerMetrics {
  14  public:
  15   enum ReadResponseResult {
  16     READ_OK,
  17     READ_HEADERS_ERROR,
  18     READ_DATA_ERROR,
  19     NUM_READ_RESPONSE_RESULT_TYPES,
  20   };
  21
  22   enum WriteResponseResult {
  23     WRITE_OK,
  24     WRITE_HEADERS_ERROR,
  25     WRITE_DATA_ERROR,
  26     NUM_WRITE_RESPONSE_RESULT_TYPES,
  27   };
  28
  29   // Used for ServiceWorkerDiskCache.
  30   static void CountInitDiskCacheResult(bool result);
  31   static void CountReadResponseResult(ReadResponseResult result);
  32   static void CountWriteResponseResult(WriteResponseResult result);
  33
  34   // Used for ServiceWorkerDatabase.
  35   static void CountOpenDatabaseResult(ServiceWorkerDatabase::Status status);
  36   static void CountReadDatabaseResult(ServiceWorkerDatabase::Status status);
  37   static void CountWriteDatabaseResult(ServiceWorkerDatabase::Status status);
  38
  39   // Counts the number of page loads controlled by a Service Worker.
  40   static void CountControlledPageLoad();
  41
  42  private:
  43   DISALLOW_IMPLICIT_CONSTRUCTORS(ServiceWorkerMetrics);
  44 };
  45
  46 }  // namespace content
  47
  48 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_METRICS_H_