text: /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
  /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
  /* Copyright 2013 Mozilla Foundation
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  /* jshint esnext:true */
  
  'use strict';
  
  this.EXPORTED_SYMBOLS = ['PdfJsTelemetry'];
  
  const Cu = Components.utils;
  Cu.import('resource://gre/modules/Services.jsm');
  
  const ADDON_ID = "uriloader@pdf.js";
  
  var Telemetry = Services.telemetry;
  Telemetry.registerAddonHistogram(ADDON_ID, "PDF_VIEWER_USED", 1, 2, 3, Telemetry.HISTOGRAM_BOOLEAN);
  Telemetry.registerAddonHistogram(ADDON_ID, "PDF_VIEWER_FALLBACK_SHOWN", 1, 2, 3, Telemetry.HISTOGRAM_BOOLEAN);
  Telemetry.registerAddonHistogram(ADDON_ID, "PDF_VIEWER_DOCUMENT_VERSION", 1, 10, 11, Telemetry.HISTOGRAM_LINEAR);
  Telemetry.registerAddonHistogram(ADDON_ID, "PDF_VIEWER_DOCUMENT_GENERATOR", 1, 25, 26, Telemetry.HISTOGRAM_LINEAR);
  Telemetry.registerAddonHistogram(ADDON_ID, "PDF_VIEWER_DOCUMENT_SIZE_KB", 2, 64 * 1024, 20, Telemetry.HISTOGRAM_EXPONENTIAL);
  Telemetry.registerAddonHistogram(ADDON_ID, "PDF_VIEWER_FORM", 1, 2, 3, Telemetry.HISTOGRAM_BOOLEAN);
  Telemetry.registerAddonHistogram(ADDON_ID, "PDF_VIEWER_STREAM_TYPES", 1, 9, 10, Telemetry.HISTOGRAM_LINEAR);
  Telemetry.registerAddonHistogram(ADDON_ID, "PDF_VIEWER_TIME_TO_VIEW_MS", 1, 10000, 50, Telemetry.HISTOGRAM_EXPONENTIAL);
  
  
  this.PdfJsTelemetry = {
    onViewerIsUsed: function () {
      let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_USED");
      histogram.add(true);
    },
    onFallback: function () {
      let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_FALLBACK_SHOWN");
      histogram.add(true);
    },
    onDocumentSize: function (size) {
      let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_DOCUMENT_SIZE_KB");
      histogram.add(size / 1024);
    },
    onDocumentVersion: function (versionId) {
      let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_DOCUMENT_VERSION");
      histogram.add(versionId);
    },
    onDocumentGenerator: function (generatorId) {
      let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_DOCUMENT_GENERATOR");
      histogram.add(generatorId);
    },
    onForm: function (isAcroform) {
      let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_FORM");
      histogram.add(isAcroform);
    },
    onStreamType: function (streamTypeId) {
      let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_STREAM_TYPES");
      histogram.add(streamTypeId);
    },
    onTimeToView: function (ms) {
      let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_TIME_TO_VIEW_MS");
      histogram.add(ms);
    }
  };
  