;(function(exports){'use strict';var selectors={recents:'recents-panel',contacts:'iframe-contacts-container',keypad:'keypad-panel'};var currentDestination=null;function checkContactsTab(){var contactsIframe=document.getElementById('iframe-contacts');if(!contactsIframe){return;}
var index=contactsIframe.src.indexOf('#add-parameters');if(index!=-1){contactsIframe.src=contactsIframe.src.substr(0,index);}}
function update(destination){var recent=document.getElementById('option-recents');var contacts=document.getElementById('option-contacts');var keypad=document.getElementById('option-keypad');var tabs=[recent,contacts,keypad];recent.classList.remove('toolbar-option-selected');contacts.classList.remove('toolbar-option-selected');keypad.classList.remove('toolbar-option-selected');switch(destination){case'recents':checkContactsTab();recent.classList.add('toolbar-option-selected');AccessibilityHelper.setAriaSelected(recent,tabs);CallLog.init();break;case'contacts':var frame=document.getElementById('iframe-contacts');if(!frame){var view=document.getElementById('iframe-contacts-container');frame=document.createElement('iframe');frame.src='/contacts/index.html';frame.id='iframe-contacts';frame.setAttribute('frameBorder','no');frame.classList.add('grid-wrapper');view.appendChild(frame);}
contacts.classList.add('toolbar-option-selected');AccessibilityHelper.setAriaSelected(contacts,tabs);var forceHashChange=new Date().getTime();frame.src='/contacts/index.html#home?forceHashChange='+
forceHashChange;break;case'keypad':checkContactsTab();keypad.classList.add('toolbar-option-selected');AccessibilityHelper.setAriaSelected(keypad,tabs);break;}}
exports.Navigation={get currentView(){return currentDestination;},show:function(destination){var selector=selectors[destination];if(!selector){throw new Error('Navigation: Invalid destination: '+destination);}
var view=document.getElementById(selector);if(!view){throw new Error('Navigation: Panel does not exist: '+destination);}
if(currentDestination&&currentDestination===destination){return;}
view.style.visibility='visible';if(currentDestination){var currentSelector=selectors[currentDestination];document.getElementById(currentSelector).style.visibility='hidden';}
currentDestination=destination;update(destination);},showKeypad:function(){this.show('keypad');},showContacts:function(){this.show('contacts');},showCalllog:function(){this.show('recents');}};}(window));