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assets/webapps/costcontrol.gaiamobile.org/js/views/telephony.js

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+/* global CostControl, ConfigManager, debug,
+          Formatting, SimManager, Common */
+/*
+ * The telephony tab is in charge of show telephony and billing cycle
+ * information.
+ *
+ * It has two areas of drawing: one for the counters and another for
+ */
+'use strict';
+
+var TelephonyTab = (function() {
+  var costcontrol, initialized = false;
+  var view, smscount, calltime, time, resetDate;
+  var telephonyPeriod = { begin: null, end: null };
+
+  function setupTab() {
+    if (initialized) {
+      return;
+    }
+
+    CostControl.getInstance(function _onCostControl(instance) {
+      costcontrol = instance;
+
+      // HTML entities
+      view = document.getElementById('telephony-tab');
+      smscount = document.getElementById('telephony-smscount');
+      calltime = document.getElementById('telephony-calltime');
+      time = document.getElementById('telephony-time');
+      resetDate = document.getElementById('reset-date');
+
+      window.addEventListener('localized', localize);
+
+      // Configure updates
+      document.addEventListener('visibilitychange', updateWhenVisible, true);
+      ConfigManager.observe('lastTelephonyActivity', updateCounters, true);
+      ConfigManager.observe('lastTelephonyReset', updateUI, true);
+      ConfigManager.observe('nextReset', updateNextReset, true);
+
+      // Timeformat
+      window.addEventListener('timeformatchange', function () {
+        updateTimePeriod(
+          telephonyPeriod.begin, null, null, telephonyPeriod.end);
+      });
+
+      updateUI();
+      initialized = true;
+    });
+  }
+
+  function localize() {
+    if (initialized) {
+      updateUI();
+    }
+  }
+
+  function finalize() {
+    if (!initialized) {
+      return;
+    }
+
+    document.removeEventListener('visibilitychange', updateWhenVisible);
+    ConfigManager.removeObserver('lastTelephonyActivity', updateCounters);
+    ConfigManager.removeObserver('lastTelephonyReset', updateUI);
+    ConfigManager.removeObserver('nextReset', updateNextReset);
+
+    initialized = false;
+  }
+
+  function updateWhenVisible() {
+    if (!document.hidden && initialized) {
+      updateUI();
+    }
+  }
+
+  function updateUI() {
+    var requestObj = { type: 'telephony' };
+    SimManager.requestDataSimIcc(function(dataSimIcc) {
+      ConfigManager.requestSettings(dataSimIcc.iccId,
+                                    function _onSettings(settings) {
+        costcontrol.request(requestObj, function _afterRequest(result) {
+          var telephonyActivity = result.data;
+          debug('Last telephony activity:', telephonyActivity);
+          updateTimePeriod(settings.lastTelephonyReset, null, null, settings);
+          updateCounters(telephonyActivity);
+          updateNextReset(settings.nextReset, null, null, settings);
+        });
+      });
+    });
+  }
+
+  function updateTimePeriod(lastReset, old, key, settings) {
+    telephonyPeriod.begin = lastReset;
+    telephonyPeriod.end = settings.lastTelephonyActivity.timestamp;
+    time.innerHTML = '';
+    time.appendChild(Formatting.formatTimeHTML(lastReset, telephonyPeriod.end));
+  }
+
+  function updateCounters(activity) {
+    Common.localize(smscount, 'magnitude', {
+      value: activity.smscount,
+      unit: 'SMS'
+    });
+    Common.localize(calltime, 'magnitude', {
+      value: Formatting.computeTelephonyMinutes(activity),
+      unit: 'min.'
+    });
+  }
+
+  function updateNextReset(reset, old, key, settings) {
+    var billingCycle = document.getElementById('billing-cycle');
+    if (settings.trackingPeriod === 'never') {
+      billingCycle.hidden = true;
+    } else {
+      billingCycle.hidden = false;
+      var content = Formatting.getFormattedDate(settings.nextReset,
+          Formatting.formatters.shortDate);
+      resetDate.textContent = content;
+    }
+  }
+
+  return {
+    initialize: setupTab,
+    finalize: finalize
+  };
+}());
+
+TelephonyTab.initialize();