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// Copyright (c) 2012 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.
cr.define('print_preview', function() {
'use strict';
/**
* Object used to measure usage statistics.
* @constructor
*/
function Metrics() {}
/**
* Enumeration of buckets that a user can enter while using the destination
* search widget.
* @enum {number}
*/
Metrics.DestinationSearchBucket = {
// Used when the print destination search widget is shown.
DESTINATION_SHOWN: 0,
// Used when the user selects a print destination.
DESTINATION_CLOSED_CHANGED: 1,
// Used when the print destination search widget is closed without selecting
// a print destination.
DESTINATION_CLOSED_UNCHANGED: 2,
// Used when the Google Cloud Print promotion (shown in the destination
// search widget) is shown to the user.
SIGNIN_PROMPT: 3,
// Used when the user chooses to sign-in to their Google account.
SIGNIN_TRIGGERED: 4,
// Used when a user selects the Privet printer in a pair of duplicate
// Privet and cloud printers.
PRIVET_DUPLICATE_SELECTED: 5,
// Used when a user selects the cloud printer in a pair of duplicate
// Privet and cloud printers.
CLOUD_DUPLICATE_SELECTED: 6,
// Used when a user sees a register promo for a cloud print printer.
REGISTER_PROMO_SHOWN: 7,
// Used when a user selects a register promo for a cloud print printer.
REGISTER_PROMO_SELECTED: 8,
// User changed active account.
ACCOUNT_CHANGED: 9,
// User tried to log into another account.
ADD_ACCOUNT_SELECTED: 10,
// Printer sharing invitation was shown to the user.
INVITATION_AVAILABLE: 11,
// User accepted printer sharing invitation.
INVITATION_ACCEPTED: 12,
// User rejected printer sharing invitation.
INVITATION_REJECTED: 13,
// Max value.
DESTINATION_SEARCH_MAX_BUCKET: 14
};
/**
* Print settings UI usage metrics buckets.
* @enum {number}
*/
Metrics.PrintSettingsUiBucket = {
// Advanced settings dialog is shown.
ADVANCED_SETTINGS_DIALOG_SHOWN: 0,
// Advanced settings dialog is closed without saving a selection.
ADVANCED_SETTINGS_DIALOG_CANCELED: 1,
// 'More/less settings' expanded.
MORE_SETTINGS_CLICKED: 2,
// 'More/less settings' collapsed.
LESS_SETTINGS_CLICKED: 3,
// User printed with extra settings expanded.
PRINT_WITH_SETTINGS_EXPANDED: 4,
// User printed with extra settings collapsed.
PRINT_WITH_SETTINGS_COLLAPSED: 5,
// Max value.
PRINT_SETTINGS_UI_MAX_BUCKET: 6
};
/**
* A context for recording a value in a specific UMA histogram.
* @param {string} histogram The name of the histogram to be recorded in.
* @param {number} maxBucket The max value for the last histogram bucket.
* @constructor
*/
function MetricsContext(histogram, maxBucket) {
/** @private {string} */
this.histogram_ = histogram;
/** @private {number} */
this.maxBucket_ = maxBucket;
/** @private {!print_preview.NativeLayer} */
this.nativeLayer_ = print_preview.NativeLayer.getInstance();
}
MetricsContext.prototype = {
/**
* Record a histogram value in UMA. If specified value is larger than the
* max bucket value, record the value in the largest bucket
* @param {number} bucket Value to record.
*/
record: function(bucket) {
this.nativeLayer_.recordInHistogram(
this.histogram_,
(bucket > this.maxBucket_) ? this.maxBucket_ : bucket,
this.maxBucket_);
}
};
/**
* Destination Search specific usage statistics context.
* @constructor
* @extends {print_preview.MetricsContext}
*/
function DestinationSearchMetricsContext() {
MetricsContext.call(
this, 'PrintPreview.DestinationAction',
Metrics.DestinationSearchBucket.DESTINATION_SEARCH_MAX_BUCKET);
}
DestinationSearchMetricsContext.prototype = {
__proto__: MetricsContext.prototype
};
/**
* Print settings UI specific usage statistics context.
* @constructor
* @extends {print_preview.MetricsContext}
*/
function PrintSettingsUiMetricsContext() {
MetricsContext.call(
this, 'PrintPreview.PrintSettingsUi',
Metrics.PrintSettingsUiBucket.PRINT_SETTINGS_UI_MAX_BUCKET);
}
PrintSettingsUiMetricsContext.prototype = {
__proto__: MetricsContext.prototype
};
// Export
return {
Metrics: Metrics,
MetricsContext: MetricsContext,
DestinationSearchMetricsContext: DestinationSearchMetricsContext,
PrintSettingsUiMetricsContext: PrintSettingsUiMetricsContext
};
});
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