tizen-web-ui-fw/latest/js/src/jquery.mobile.zoom.js

   1 (function( $ ) {
   2         var     meta = $( "meta[name=viewport]" ),
   3                 initialContent = meta.attr( "content" ),
   4                 disabledZoom = initialContent + ",maximum-scale=1, user-scalable=no",
   5                 enabledZoom = initialContent + ",maximum-scale=10, user-scalable=yes",
   6                 disabledInitially = /(user-scalable[\s]*=[\s]*no)|(maximum-scale[\s]*=[\s]*1)[$,\s]/.test( initialContent );
   7
   8         $.mobile.zoom = $.extend( {}, {
   9                 enabled: !disabledInitially,
  10                 locked: false,
  11                 disable: function( lock ) {
  12                         if ( !disabledInitially && !$.mobile.zoom.locked ) {
  13                                 meta.attr( "content", disabledZoom );
  14                                 $.mobile.zoom.enabled = false;
  15                                 $.mobile.zoom.locked = lock || false;
  16                         }
  17                 },
  18                 enable: function( unlock ) {
  19                         if ( !disabledInitially && ( !$.mobile.zoom.locked || unlock === true ) ) {
  20                                 meta.attr( "content", enabledZoom );
  21                                 $.mobile.zoom.enabled = true;
  22                                 $.mobile.zoom.locked = false;
  23                         }
  24                 },
  25                 restore: function() {
  26                         if ( !disabledInitially ) {
  27                                 meta.attr( "content", initialContent );
  28                                 $.mobile.zoom.enabled = true;
  29                         }
  30                 }
  31         });
  32
  33 }( jQuery ));