{
  "version": 3,
  "sources": ["../ui/app/components/mn_poll.js"],
  "sourcesContent": ["/*\nCopyright 2015-Present Couchbase, Inc.\n\nUse of this software is governed by the Business Source License included in\nthe file licenses/BSL-Couchbase.txt.  As of the Change Date specified in that\nfile, in accordance with the Business Source License, use of this software will\nbe governed by the Apache License, Version 2.0, included in the file\nlicenses/APL2.txt.\n*/\n\nimport angular from 'angular';\nimport _ from 'lodash';\n\nimport mnPromiseHelper from './mn_promise_helper.js';\n\nexport default 'mnPoll';\n\nangular\n  .module(\"mnPoll\", [mnPromiseHelper])\n  .factory(\"mnPoller\", [\"$q\", \"$timeout\", \"mnPromiseHelper\", mnPollerFactory])\n  .factory(\"mnEtagPoller\", [\"mnPoller\", mnEtagPollerFactory]);\n\nfunction mnEtagPollerFactory(mnPoller) {\n  function EtagPoller(scope, request, doNotListenVisibilitychange) {\n    mnPoller.call(this, scope, request, doNotListenVisibilitychange);\n  }\n\n  EtagPoller.prototype = Object.create(mnPoller.prototype);\n  EtagPoller.prototype.constructor = EtagPoller;\n  EtagPoller.prototype.cycle = cycle;\n\n  return EtagPoller;\n\n  function cycle() {\n    var self = this;\n    var timestamp = new Date();\n    self.doCallPromise = self.doCall(timestamp);\n    self.doCallPromise.then(function () {\n      if ((self.doCallPromise !== this) || self.isStopped(timestamp)) {\n        return;\n      }\n      self.cycle();\n    }.bind(self.doCallPromise));\n    return self;\n  }\n}\n\nfunction mnPollerFactory($q, $timeout, mnPromiseHelper) {\n\n  function Poller(scope, request, doNotListenVisibilitychange) {\n    this.deferred = $q.defer();\n    this.request = request;\n    this.scope = scope;\n\n    var self = this;\n    function onVisibilitychange() {\n      if (document.hidden) {\n        self.pause();\n      } else {\n        self.resume();\n      }\n    }\n\n    scope.$on('$destroy', function () {\n      if (!doNotListenVisibilitychange) {\n        document.removeEventListener('visibilitychange', onVisibilitychange);\n      }\n      self.onDestroy();\n    });\n\n    if (!doNotListenVisibilitychange) {\n      document.addEventListener('visibilitychange', onVisibilitychange);\n    }\n\n    this.latestResult = undefined;\n    this.stopTimestamp = undefined;\n    this.extractInterval = undefined;\n    this.timeout = undefined;\n    this.doCallPromise = undefined;\n    this.throttledReload = _.debounce(this.reload.bind(this), 100);\n  }\n\n  Poller.prototype.isStopped = isStopped;\n  Poller.prototype.doCall = doCall;\n  Poller.prototype.setInterval = setInterval;\n  Poller.prototype.cycle = cycle;\n  Poller.prototype.doCycle = doCycle;\n  Poller.prototype.stop = stop;\n  Poller.prototype.subscribe = subscribe;\n  Poller.prototype.showSpinner = showSpinner;\n  Poller.prototype.reload = reload;\n  Poller.prototype.resume = resume;\n  Poller.prototype.pause = pause;\n  Poller.prototype.reloadOnScopeEvent = reloadOnScopeEvent;\n  Poller.prototype.onDestroy = onDestroy;\n  Poller.prototype.getLatestResult = getLatestResult;\n  Poller.prototype.onResum = onResum;\n\n  return Poller;\n\n  function onDestroy() {\n    this.stop();\n  }\n\n  function getLatestResult() {\n    return this.latestResult;\n  }\n\n  function isStopped(startTimestamp) {\n    return !(angular.isUndefined(this.stopTimestamp) || startTimestamp >= this.stopTimestamp);\n  }\n  function reloadOnScopeEvent(eventName, vm, spinnerName) {\n    var self = this;\n    function action() {\n      self.reload();\n      if (vm) {\n        self.showSpinner(vm, spinnerName);\n      }\n    }\n    if (angular.isArray(eventName)) {\n      angular.forEach(eventName, function (event) {\n        self.scope.$on(event, action);\n      });\n    } else {\n      self.scope.$on(eventName, action);\n    }\n    return this;\n  }\n  function setInterval(interval) {\n    this.extractInterval = interval;\n    return this;\n  }\n  function reload(keepLatestResult) {\n    if (!keepLatestResult) {\n      delete this.latestResult;\n    }\n    this.stop();\n    this.cycle();\n    return this;\n  }\n  function showSpinner(vm, name) {\n    var self = this;\n    mnPromiseHelper(vm, self.doCallPromise).showSpinner(name);\n    return self;\n  }\n  function doCall(timestamp) {\n    var self = this;\n    var query = angular.isFunction(self.request) ? self.request(self.latestResult) : self.request;\n    query.then(function (result) {\n      if ((query !== this) || self.isStopped(timestamp)) {\n        return;\n      }\n      self.deferred.notify(result);\n    }.bind(query));\n    return query;\n  }\n  function cycle() {\n    if (this.isLaunched) {\n      return this;\n    }\n    delete this.stopTimestamp\n    this.isLaunched = true;\n    this.doCycle();\n    return this;\n  }\n  function doCycle() {\n    var self = this;\n    var timestamp = new Date();\n    self.doCallPromise = self.doCall(timestamp);\n\n    if (self.extractInterval) {\n      self.doCallPromise.then(function (result) {\n        if ((self.doCallPromise !== this) || self.isStopped(timestamp)) {\n          return;\n        }\n        var interval = angular.isFunction(self.extractInterval) ?\n            self.extractInterval(result) :\n            self.extractInterval;\n        self.timeout = $timeout(self.doCycle.bind(self), interval);\n      }.bind(self.doCallPromise));\n    }\n    self.doCallPromise.then(null, function () {\n      self.stop(); //stop cycle on any http error;\n    });\n    return this;\n  }\n  function onResum(fn) {\n    this.onResumCallback = fn;\n    return this;\n  }\n  function resume() {\n    this.isPaused = false;\n    if (this.state) {\n      this.onResumCallback && this.onResumCallback();\n      this.reload();\n    }\n  }\n  function pause() {\n    if (this.isPaused) {\n      return;\n    }\n    this.state = this.isLaunched;\n    this.isPaused = true;\n    this.stop();\n  }\n  function stop() {\n    var self = this;\n    self.isLaunched = false;\n    self.stopTimestamp = new Date();\n    $timeout.cancel(self.timeout);\n  }\n  function subscribe(subscriber, keeper) {\n    var self = this;\n    self.deferred.promise.then(null, null, angular.isFunction(subscriber) ? function (value) {\n      subscriber(value, self.latestResult);\n      self.latestResult = value;\n    } : function (value) {\n      (keeper || self.scope)[subscriber] = value;\n      self.latestResult = value;\n    });\n    return self;\n  }\n}\n"],
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