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path: root/browser/base/content/web-panels.js
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/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

const NS_ERROR_MODULE_NETWORK = 2152398848;
const NS_NET_STATUS_READ_FROM = NS_ERROR_MODULE_NETWORK + 8;
const NS_NET_STATUS_WROTE_TO  = NS_ERROR_MODULE_NETWORK + 9;

function getPanelBrowser() {
  return document.getElementById("web-panels-browser");
}

var panelProgressListener = {
  onProgressChange: function (aWebProgress, aRequest,
                               aCurSelfProgress, aMaxSelfProgress,
                               aCurTotalProgress, aMaxTotalProgress) {
  },
    
  onStateChange: function(aWebProgress, aRequest, aStateFlags, aStatus) {
    if (!aRequest) {
      return;
    }

    //ignore local/resource:/chrome: files
    if (aStatus == NS_NET_STATUS_READ_FROM || aStatus == NS_NET_STATUS_WROTE_TO) {
      return;
    }

    if (aStateFlags & Ci.nsIWebProgressListener.STATE_START && 
        aStateFlags & Ci.nsIWebProgressListener.STATE_IS_NETWORK) {
      window.parent.document.getElementById('sidebar-throbber').setAttribute("loading", "true");
    } else if (aStateFlags & Ci.nsIWebProgressListener.STATE_STOP &&
               aStateFlags & Ci.nsIWebProgressListener.STATE_IS_NETWORK) {
      window.parent.document.getElementById('sidebar-throbber').removeAttribute("loading");
    }
  },

  onLocationChange: function(aWebProgress, aRequest, aLocation, aFlags) {
    UpdateBackForwardCommands(getPanelBrowser().webNavigation);
  },

  onStatusChange: function(aWebProgress, aRequest, aStatus, aMessage) {
  },

  onSecurityChange: function(aWebProgress, aRequest, aState) { 
  },

  QueryInterface: function(aIID) {
    if (aIID.equals(Ci.nsIWebProgressListener) ||
        aIID.equals(Ci.nsISupportsWeakReference) ||
        aIID.equals(Ci.nsISupports)) {
      return this;
    }
    throw Cr.NS_NOINTERFACE;
  }
};

var gLoadFired = false;
function loadWebPanel(aURI) {
  var panelBrowser = getPanelBrowser();
  if (gLoadFired) {
    panelBrowser.webNavigation
                .loadURI(aURI, nsIWebNavigation.LOAD_FLAGS_NONE,
                         null, null, null);
  }
  panelBrowser.setAttribute("cachedurl", aURI);
}

function load() {
  var panelBrowser = getPanelBrowser();
  panelBrowser.webProgress.addProgressListener(panelProgressListener,
                                               Ci.nsIWebProgress.NOTIFY_ALL);
  var cachedurl = panelBrowser.getAttribute("cachedurl")
  if (cachedurl) {
    panelBrowser.webNavigation
                .loadURI(cachedurl, nsIWebNavigation.LOAD_FLAGS_NONE, null,
                         null, null);
  }

  gLoadFired = true;
}

function unload() {
  getPanelBrowser().webProgress.removeProgressListener(panelProgressListener);
}

function PanelBrowserStop() {
  getPanelBrowser().webNavigation.stop(nsIWebNavigation.STOP_ALL)
}

function PanelBrowserReload() {
  getPanelBrowser().webNavigation
                   .sessionHistory
                   .QueryInterface(nsIWebNavigation)
                   .reload(nsIWebNavigation.LOAD_FLAGS_NONE);
}