PC World Komputer 2010 April/PCWorld0410.iso/pluginy Firefox/398/398.xpi/chrome/forecastfox.jar/content/icons/icons.js

Text File | 2010-02-04 | 6KB | 171 lines

/*------------------------------------------------------------------------------
  Copyright (c) 2008 Ensolis, LLC. All Rights Reserved.
  ----------------------------------------------------------------------------*/

var gIcons = null;

function iconsLoad()
{
  gIcons = new Icons();
  gIcons.start();
}

function iconsUnload()
{
  gIcons.stop();
  gIcons = null;
}

function Icons() {}
Icons.prototype = {
  _bundle: null,
  _manager: null,
  _name: null,
  _url: null,
  _progress: null,
  _description: null,
  _install: null,
  _persist: null,
  _file: null,
  _cancel: null,

  start: function Icons_start()
  {
    //setup components
    this._bundle = document.getElementById("ff-bundle-icons");
    this._manager = Components.classes["@ensolis.com/forecastfox/manager-service;1"].getService(Components.interfaces.ffIManagerService);

    //set display
    this._name = document.getElementById("ff-icons-name");
    this._url = document.getElementById("ff-icons-url");
    this._progress = document.getElementById("ff-icons-progress");
    this._description = document.getElementById("ff-icons-description");
    this._install = document.getElementById("ff-button-install");
    this._cancel = document.getElementById("ff-button-cancel");
    var params = window.arguments[0].QueryInterface(
                          Components.interfaces.nsIDialogParamBlock);
    this._name.value = params.GetString(0);
    this._url.value = params.GetString(1);
    this._url.tooltiptext = this._url.value;
  },

  stop: function Icons_stop()
  {
    //stop download or install
    try {
      if (this._persist && this._persist.currentState < 3)
        this._persist.cancelSave();
      if (this._file && this._file.exists())
        this._file.remove(false);
    } catch(e) {}

    //remove variables
    this._url = null;
    this._name = null;
    this._manager = null;
    this._bundle = null;
    this._progress = null;
    this._description = null;
    this._install = null;
    this._persist = null;
    this._file = null;
    this._cancel = null;
  },

  install: function Icons_install()
  {
    //set display
    this._install.setAttribute("disabled", "true");
    this._progress.removeAttribute("collapsed");
    this._progress.setAttribute("value", "0");
    this._progress.setAttribute("mode", "determined");
    this._description.value = this._bundle.getString("ff.icons.download");
    window.sizeToContent();

    //convert url to uri and get file
    var ios = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);
    var uri = ios.newURI(this._url.value, null, null);
    var fileName = uri.QueryInterface(Components.interfaces.nsIURL).fileName;
    this._file = this._manager.disk.get(fileName, Components.interfaces.ffIDiskService.TYPE_TEMP);

    //persist the file
    var flags = 0x02 | 0x32;
    this._persist = Components.classes["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"].createInstance(Components.interfaces.nsIWebBrowserPersist);
    this._persist.persistFlags |= flags;
    this._persist.progressListener = this;
    this._persist.saveURI(uri, null, null, null, null, this._file);
  },

  _installItem: function Icons__installItem()
  {
    //perform install
    try {
      var rv = this._manager.icons.setItem(this._file);
    } catch(e) {
      this._description.value = this._bundle.getString("ff.icons.failed");
      this._manager.disk.log("Failed to install icon pack.", e, null);
    }

    //set progress
    this._progress.setAttribute("value", "100");
    this._progress.setAttribute("mode", "determined");
    this._cancel.label = this._bundle.getString("ff.icons.close");

    //set description
    if (rv) {
      this._description.value = this._bundle.getString("ff.icons.success");
      window.setTimeout(window.close, 0);
    } else
      this._description.value = this._bundle.getString("ff.icons.failed");

    //remove persisted file
    try {
      this._file.remove(false);
    } catch(e) {}
  },

  ///////////////////////////
  // nsIWebProgressListener
  onLocationChange: function Icons_onLocationChange(webProgress, request, location) {},
  onSecurityChange: function Icons_onSecurityChange(webProgress, request, state) {},
  onStatusChange: function Icons_onStatusChange(webProgress, request, status, message) {},
  onProgressChange: function Icons_onProgressChange(webProgress, request, curSelfProgress, maxSelfProgress, curTotalProgress, maxTotalProgress )
  {
    if (maxTotalProgress > 0) {
      var percentage = (curTotalProgress * 100) / maxTotalProgress;
      this._progress.value = percentage;
    }
  },
  onStateChange: function Icons_onStateChange(webProgress, request, stateFlags, status)
  {
    var stateDone = Components.interfaces.nsIWebProgressListener.STATE_STOP;

    //download complete
    if (stateDone == (stateFlags & stateDone)) {
      var comp = this;
      var channel = request.QueryInterface(Components.interfaces.nsIHttpChannel);
      if (channel.responseStatus == 200) {
        this._progress.removeAttribute("value");
        this._progress.setAttribute("mode", "undetermined");
        this._description.value = this._bundle.getString("ff.icons.install");
        window.setTimeout(function() { comp._installItem(); }, 0);
      } else {
        this._progress.setAttribute("value", "100");
        this._progress.setAttribute("mode", "determined");
        this._cancel.label = this._bundle.getString("ff.icons.close");
        this._description.value = this._bundle.getString("ff.icons.persist");
      }
    }
  },

  ///////////////////////////
  // nsISupports
  QueryInterface: function Icons_QueryInterface(iid)
  {
    if (!iid.equals(Components.interfaces.nsIWebProgressListener) &&
        !iid.equals(Components.interfaces.nsISupports))
      throw Components.results.NS_ERROR_NO_INTERFACE;
    return this;
  }
};