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gaia/apps/system/js/mobile_connection_icon.js

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+/* global BaseIcon, SIMSlotManager, RoamingIcon, SignalIcon */
+'use strict';
+
+(function(exports) {
+  var MobileConnectionIcon = function(manager) {
+    this.signals = [];
+    this.roamings = [];
+    BaseIcon.call(this, manager);
+  };
+  MobileConnectionIcon.prototype = Object.create(BaseIcon.prototype);
+  MobileConnectionIcon.prototype.name = 'MobileConnectionIcon';
+  MobileConnectionIcon.prototype._start = function() {
+    window.addEventListener('callschanged', this);
+  };
+  MobileConnectionIcon.prototype._stop = function() {
+    window.removeEventListener('callschanged', this);
+  };
+  MobileConnectionIcon.prototype.handleEvent = function() {
+    this.update();
+  };
+  MobileConnectionIcon.prototype.onrender = function() {
+    if (!this.element) {
+      return;
+    }
+    var multipleSims = SIMSlotManager.isMultiSIM();
+
+    // Create signal elements based on the number of SIM slots.
+    this.element.dataset.multiple = multipleSims;
+    this.updateVisibility = this.updateVisibility.bind(this);
+    SIMSlotManager.getSlots().forEach(function(slot, i) {
+      this.debug('new ing ' + i + ' signal icon');
+      var roaming = new RoamingIcon(slot, i);
+      this.roamings.push(roaming);
+      roaming.start();
+      roaming.element.addEventListener('_shown', this.updateVisibility);
+      roaming.element.addEventListener('_hidden', this.updateVisibility);
+
+      var data = new SignalIcon(slot, i);
+      this.signals.push(data);
+      data.start();
+      data.element.addEventListener('_shown', this.updateVisibility);
+      data.element.addEventListener('_hidden', this.updateVisibility);
+    }, this);
+    this.updateVisibility();
+  };
+  MobileConnectionIcon.prototype.updateVisibility = function() {
+    var allAbsent = SIMSlotManager.getSlots().every(function(simslot) {
+      return simslot.isAbsent();
+    });
+    this.element.dataset.multiple = SIMSlotManager.isMultiSIM();
+    if (allAbsent) {
+      // XXX: show absent icon
+      this.debug('Force showing icon at index 0 due to all absent');
+      this.element.dataset.multiple = false;
+      this.signals[0].show(true);
+    }
+    var onceVisible = this.signals.some(function(icon) {
+      return icon.isVisible();
+    });
+    if (onceVisible) {
+      this.show();
+    } else {
+      this.hide();
+    }
+  };
+  MobileConnectionIcon.prototype.updateData = function(index) {
+    if (!this.signals.length) {
+      return;
+    }
+    if (index) {
+      this.signals[index].updateDataText();
+      return;
+    }
+    this.signals.forEach(function(icon) {
+      icon.updateDataText();
+    });
+  };
+  MobileConnectionIcon.prototype.update = function(index) {
+    if (!this.signals.length) {
+      return;
+    }
+    if (index) {
+      this.signals[index].update();
+      this.roamings[index].update();
+      return;
+    }
+    this.signals.forEach(function(icon) {
+      icon.update();
+    });
+    this.roamings.forEach(function(icon) {
+      icon.update();
+    });
+  };
+
+  MobileConnectionIcon.prototype.view = function view() {
+    return `<div id="statusbar-mobile-connection"
+              class="sb-icon-mobile-connection" hidden
+              role="presentation">
+            </div>`;
+  };
+
+  exports.MobileConnectionIcon = MobileConnectionIcon;
+}(window));