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static/plugins/spice-html5/filexfer.js 2.71 KB
831eac332   zhuzhenchao   add file
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  "use strict";
  /*
     Copyright (C) 2014 Red Hat, Inc.
  
     This file is part of spice-html5.
  
     spice-html5 is free software: you can redistribute it and/or modify
     it under the terms of the GNU Lesser General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
  
     spice-html5 is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public License
     along with spice-html5.  If not, see <http://www.gnu.org/licenses/>.
  */
  
  function SpiceFileXferTask(id, file)
  {
      this.id = id;
      this.file = file;
  }
  
  SpiceFileXferTask.prototype.create_progressbar = function()
  {
      var _this = this;
      var cancel = document.createElement("input");
      this.progressbar_container = document.createElement("div");
      this.progressbar = document.createElement("progress");
  
      cancel.type = 'button';
      cancel.value = 'Cancel';
      cancel.style.float = 'right';
      cancel.onclick = function()
      {
          _this.cancelled = true;
          _this.remove_progressbar();
      };
  
      this.progressbar.setAttribute('max', this.file.size);
      this.progressbar.setAttribute('value', 0);
      this.progressbar.style.width = '100%';
      this.progressbar.style.margin = '4px auto';
      this.progressbar.style.display = 'inline-block';
      this.progressbar_container.style.width = '90%';
      this.progressbar_container.style.margin = 'auto';
      this.progressbar_container.style.padding = '4px';
      this.progressbar_container.textContent = this.file.name;
      this.progressbar_container.appendChild(cancel);
      this.progressbar_container.appendChild(this.progressbar);
      document.getElementById('spice-xfer-area').appendChild(this.progressbar_container);
  }
  
  SpiceFileXferTask.prototype.update_progressbar = function(value)
  {
      this.progressbar.setAttribute('value', value);
  }
  
  SpiceFileXferTask.prototype.remove_progressbar = function()
  {
      if (this.progressbar_container && this.progressbar_container.parentNode)
          this.progressbar_container.parentNode.removeChild(this.progressbar_container);
  }
  
  function handle_file_dragover(e)
  {
      e.stopPropagation();
      e.preventDefault();
      e.dataTransfer.dropEffect = 'copy';
  }
  
  function handle_file_drop(e)
  {
      var sc = window.spice_connection;
      var files = e.dataTransfer.files;
  
      e.stopPropagation();
      e.preventDefault();
      for (var i = files.length - 1; i >= 0; i--)
      {
          if (files[i].type); // do not copy a directory
              sc.file_xfer_start(files[i]);
      }
  
  }