general.js

来自「现在很火的邮件客户端软件thunderbird的源码」· JavaScript 代码 · 共 191 行

# -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*-
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is the Thunderbird Preferences System.
#
# The Initial Developer of the Original Code is
# Scott MacGregor.
# Portions created by the Initial Developer are Copyright (C) 2005
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
#   Scott MacGregor <[e-mail]>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****

var gGeneralPane = {
  mPane: null,

  init: function ()
  {
    this.mPane = document.getElementById("paneGeneral"); 
    this.startPageCheck();
    
    this.updatePlaySound();
  },

#ifdef HAVE_SHELL_SERVICE
  /**
   * Checks whether Thunderbird is currently registered with the operating
   * system as the default app for mail, rss and news.  If Thunderbird is not currently the
   * default app, the user is given the option of making it the default for each type;
   * otherwise, the user is informed that Thunderbird is already the default.
   */
  checkDefaultNow: function (aAppType) 
  {   
    var nsIShellService = Components.interfaces.nsIShellService;
    var shellSvc;
    try {
      shellSvc = Components.classes["@mozilla.org/mail/shell-service;1"].getService(nsIShellService);
    } catch (ex) { return; }
    
    // if we are already the default for all the types we handle, then alert the user.
    if (shellSvc.isDefaultClient(false, nsIShellService.MAIL | nsIShellService.NEWS | nsIShellService.RSS))
    {
      var brandBundle = document.getElementById("bundleBrand");
      var shellBundle = document.getElementById("bundleShell");
      var brandShortName = brandBundle.getString("brandShortName");
      var promptTitle = shellBundle.getString("alreadyDefaultClientTitle");
      var promptMessage;
      const IPS = Components.interfaces.nsIPromptService;
      var psvc = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
                           .getService(IPS);

        promptMessage = shellBundle.getFormattedString("alreadyDefault", [brandShortName]);
        psvc.alert(window, promptTitle, promptMessage);
    }
    else
  {
      // otherwise, bring up the default client dialog
      window.openDialog("chrome://messenger/content/defaultClientDialog.xul", "Default Client", 
                        "modal,centerscreen,chrome,resizable=no");
    }
  },
#endif

  startPageCheck: function() 
  {
    document.getElementById("mailnewsStartPageUrl").disabled = !document.getElementById("mailnewsStartPageEnabled").checked;
  },
  
  setHomePageToDefaultPage: function ()
  {
    var prefService = Components.classes["@mozilla.org/preferences-service;1"]
                                .getService(Components.interfaces.nsIPrefService);
    var pref = prefService.getDefaultBranch(null);
    var url = pref.getComplexValue("mailnews.start_page.url",
                                   Components.interfaces.nsIPrefLocalizedString).data;
    var startPageUrlField = document.getElementById("mailnewsStartPageUrl");
    startPageUrlField.value = url;
    
    this.mPane.userChangedValue(startPageUrlField);
  },

  customizeMailAlert: function()
  {
    document.documentElement
            .openSubDialog("chrome://messenger/content/preferences/notifications.xul",
                           "", null);
  },

  convertURLToLocalFile: function(aFileURL)
  {
    // convert the file url into a nsILocalFile
    if (aFileURL)
    {
      var ios = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);
      var fph = ios.getProtocolHandler("file").QueryInterface(Components.interfaces.nsIFileProtocolHandler);
      return fph.getFileFromURLSpec(aFileURL);
    } 
    else
      return null;
  },

  readSoundLocation: function()
  {
    var soundUrlLocation = document.getElementById("soundUrlLocation");
    soundUrlLocation.value = document.getElementById("mail.biff.play_sound.url").value;
    if (soundUrlLocation.value)
    {
      soundUrlLocation.label = this.convertURLToLocalFile(soundUrlLocation.value).leafName;
      soundUrlLocation.image = "moz-icon://" + soundUrlLocation.label + "?size=16";
    }
    return undefined;
  },
  
  previewSound: function ()
  {  
    sound = Components.classes["@mozilla.org/sound;1"].createInstance(Components.interfaces.nsISound);
    
    var soundLocation;
    soundLocation = document.getElementById('soundType').value == 1 ? 
                    document.getElementById('soundUrlLocation').value : "_moz_mailbeep"

    if (soundLocation.indexOf("file://") == -1) 
      sound.playSystemSound(soundLocation);
    else 
    {
      var ioService = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);
      sound.play(ioService.newURI(soundLocation, null, null));
  }
  },
  
  browseForSoundFile: function ()
  {
    const nsIFilePicker = Components.interfaces.nsIFilePicker;
    var fp = Components.classes["@mozilla.org/filepicker;1"].createInstance(nsIFilePicker);

    // if we already have a sound file, then use the path for that sound file
    // as the initial path in the dialog.
    var localFile = this.convertURLToLocalFile(document.getElementById('soundUrlLocation').value);
    if (localFile)
      fp.displayDirectory = localFile;

    // XXX todo, persist the last sound directory and pass it in
    fp.init(window, document.getElementById("bundlePreferences").getString("soundFilePickerTitle"), nsIFilePicker.modeOpen);
    fp.appendFilter("*.wav", "*.wav");

    var ret = fp.show();
    if (ret == nsIFilePicker.returnOK) 
    {
      // convert the nsILocalFile into a nsIFile url 
      document.getElementById("mail.biff.play_sound.url").value = fp.fileURL.spec;
      this.readSoundLocation(); // XXX We shouldn't have to be doing this by hand
      this.updatePlaySound();
    }
  },
  
  updatePlaySound: function()
  {
    // update the sound type radio buttons based on the state of the play sound checkbox
    var soundsDisabled = !document.getElementById('newMailNotification').checked;
    var soundTypeEl = document.getElementById('soundType');
    soundTypeEl.disabled = soundsDisabled;
    document.getElementById('browseForSound').disabled = soundsDisabled || soundTypeEl.value != 1;
    document.getElementById('playSound').disabled = soundsDisabled || soundTypeEl.value != 1; 
  },
};