node-red-contrib-leap-motion/leapjs/lib/dialog.js

Node-Red nodes for leap motion

var Dialog = module.exports = function(message, options){
  this.options = (options || {});
  this.message = message;

  this.createElement();
};

Dialog.prototype.createElement = function(){
  this.element = document.createElement('div');
  this.element.className = "leapjs-dialog";
  this.element.style.position = "fixed";
  this.element.style.top = '8px';
  this.element.style.left = 0;
  this.element.style.right = 0;
  this.element.style.textAlign = 'center';
  this.element.style.zIndex = 1000;

  var dialog  = document.createElement('div');
  this.element.appendChild(dialog);
  dialog.style.className = "leapjs-dialog";
  dialog.style.display = "inline-block";
  dialog.style.margin = "auto";
  dialog.style.padding = "8px";
  dialog.style.color = "#222";
  dialog.style.background = "#eee";
  dialog.style.borderRadius = "4px";
  dialog.style.border = "1px solid #999";
  dialog.style.textAlign = "left";
  dialog.style.cursor = "pointer";
  dialog.style.whiteSpace = "nowrap";
  dialog.style.transition = "box-shadow 1s linear";
  dialog.innerHTML = this.message;


  if (this.options.onclick){
    dialog.addEventListener('click', this.options.onclick);
  }

  if (this.options.onmouseover){
    dialog.addEventListener('mouseover', this.options.onmouseover);
  }

  if (this.options.onmouseout){
    dialog.addEventListener('mouseout', this.options.onmouseout);
  }

  if (this.options.onmousemove){
    dialog.addEventListener('mousemove', this.options.onmousemove);
  }
};

Dialog.prototype.show = function(){
  document.body.appendChild(this.element);
  return this;
};

Dialog.prototype.hide = function(){
  document.body.removeChild(this.element);
  return this;
};




// Shows a DOM dialog box with links to developer.leapmotion.com to upgrade
// This will work whether or not the Leap is plugged in,
// As long as it is called after a call to .connect() and the 'ready' event has fired.
Dialog.warnOutOfDate = function(params){
  params || (params = {});

  var url = "http://developer.leapmotion.com?";

  params.returnTo = window.location.href;

  for (var key in params){
    url += key + '=' + encodeURIComponent(params[key]) + '&';
  }

  var dialog,
    onclick = function(event){

       if (event.target.id != 'leapjs-decline-upgrade'){

         var popup = window.open(url,
           '_blank',
           'height=800,width=1000,location=1,menubar=1,resizable=1,status=1,toolbar=1,scrollbars=1'
         );

         if (window.focus) {popup.focus()}

       }

       dialog.hide();

       return true;
    },


    message = "This site requires Leap Motion Tracking V2." +
      "<button id='leapjs-accept-upgrade'  style='color: #444; transition: box-shadow 100ms linear; cursor: pointer; vertical-align: baseline; margin-left: 16px;'>Upgrade</button>" +
      "<button id='leapjs-decline-upgrade' style='color: #444; transition: box-shadow 100ms linear; cursor: pointer; vertical-align: baseline; margin-left: 8px; '>Not Now</button>";

  dialog = new Dialog(message, {
      onclick: onclick,
      onmousemove: function(e){
        if (e.target == document.getElementById('leapjs-decline-upgrade')){
          document.getElementById('leapjs-decline-upgrade').style.color = '#000';
          document.getElementById('leapjs-decline-upgrade').style.boxShadow = '0px 0px 2px #5daa00';

          document.getElementById('leapjs-accept-upgrade').style.color = '#444';
          document.getElementById('leapjs-accept-upgrade').style.boxShadow = 'none';
        }else{
          document.getElementById('leapjs-accept-upgrade').style.color = '#000';
          document.getElementById('leapjs-accept-upgrade').style.boxShadow = '0px 0px 2px #5daa00';

          document.getElementById('leapjs-decline-upgrade').style.color = '#444';
          document.getElementById('leapjs-decline-upgrade').style.boxShadow = 'none';
        }
      },
      onmouseout: function(){
        document.getElementById('leapjs-decline-upgrade').style.color = '#444';
        document.getElementById('leapjs-decline-upgrade').style.boxShadow = 'none';
        document.getElementById('leapjs-accept-upgrade').style.color = '#444';
        document.getElementById('leapjs-accept-upgrade').style.boxShadow = 'none';
      }
    }
  );

  return dialog.show();
};


// Tracks whether we've warned for lack of bones API.  This will be shown only for early private-beta members.
Dialog.hasWarnedBones = false;

Dialog.warnBones = function(){
  if (this.hasWarnedBones) return;
  this.hasWarnedBones = true;

  console.warn("Your Leap Service is out of date");

  if ( !(typeof(process) !== 'undefined' && process.versions && process.versions.node) ){
    this.warnOutOfDate({reason: 'bones'});
  }

}