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- /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * The contents of this file are subject to the Netscape 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/NPL/
- *
- * 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 mozilla.org code.
- *
- * The Initial Developer of the Original Code is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s):
- * Blake Ross <blakeross@telocity.com>
- * Peter Annema <disttsc@bart.nl>
- */
-
- 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 nsBrowserStatusHandler()
- {
- this.init();
- }
-
- nsBrowserStatusHandler.prototype =
- {
- useRealProgressFlag : false,
- totalRequests : 0,
- finishedRequests : 0,
-
- // Stored Status, Link and Loading values
- status : "",
- defaultStatus : "",
- jsStatus : "",
- jsDefaultStatus : "",
- overLink : "",
- startTime : 0,
-
- statusTimeoutInEffect : false,
-
- hideAboutBlank : true,
-
- QueryInterface : function(aIID)
- {
- if (aIID.equals(Components.interfaces.nsIWebProgressListener) ||
- aIID.equals(Components.interfaces.nsISupportsWeakReference) ||
- aIID.equals(Components.interfaces.nsIXULBrowserWindow) ||
- aIID.equals(Components.interfaces.nsISupports))
- return this;
- throw Components.results.NS_NOINTERFACE;
- },
-
- init : function()
- {
- // XXXjag is this still needed? It's currently just ""
- this.defaultStatus = gNavigatorBundle.getString("defaultStatus");
-
- this.urlBar = document.getElementById("urlbar");
- this.throbberElement = document.getElementById("navigator-throbber");
- this.statusMeter = document.getElementById("statusbar-icon");
- this.stopButton = document.getElementById("stop-button");
- this.stopMenu = document.getElementById("menuitem-stop");
- this.stopContext = document.getElementById("context-stop");
- this.statusTextField = document.getElementById("statusbar-display");
-
- },
-
- destroy : function()
- {
- // XXXjag to avoid leaks :-/, see bug 60729
- this.urlBar = null;
- this.throbberElement = null;
- this.statusMeter = null;
- this.stopButton = null;
- this.stopMenu = null;
- this.stopContext = null;
- this.statusTextField = null;
- },
-
- setJSStatus : function(status)
- {
- this.jsStatus = status;
- this.updateStatusField();
- // set empty so defaults show up next change
- this.jsStatus = "";
- },
-
- setJSDefaultStatus : function(status)
- {
- this.jsDefaultStatus = status;
- this.updateStatusField();
- },
-
- setDefaultStatus : function(status)
- {
- this.defaultStatus = status;
- this.updateStatusField();
- },
-
- setOverLink : function(link, b)
- {
- this.overLink = link;
- this.updateStatusField();
- // set empty so defaults show up next change
- this.overLink = "";
- },
-
- updateStatusField : function()
- {
- var text = this.overLink || this.status || this.jsStatus || this.jsDefaultStatus || this.defaultStatus;
-
- // check the current value so we don't trigger an attribute change
- // and cause needless (slow!) UI updates
- if (this.statusTextField.label != text) {
- this.statusTextField.label = text;
- }
- },
-
- onProgressChange : function (aWebProgress, aRequest,
- aCurSelfProgress, aMaxSelfProgress,
- aCurTotalProgress, aMaxTotalProgress)
- {
- if (!this.useRealProgressFlag && aRequest)
- return;
-
- if (aMaxTotalProgress > 0) {
- this.statusMeter.mode = "normal";
-
- // This is highly optimized. Don't touch this code unless
- // you are intimately familiar with the cost of setting
- // attrs on XUL elements. -- hyatt
- var percentage = (aCurTotalProgress * 100) / aMaxTotalProgress;
- this.statusMeter.value = percentage;
- } else {
- this.statusMeter.mode = "undetermined";
- }
- },
-
- 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;
-
- const nsIWebProgressListener = Components.interfaces.nsIWebProgressListener;
- const nsIChannel = Components.interfaces.nsIChannel;
- var domWindow;
- if (aStateFlags & nsIWebProgressListener.STATE_START) {
- if (aStateFlags & nsIWebProgressListener.STATE_IS_NETWORK) {
- // Remember when loading commenced.
- this.startTime = (new Date()).getTime();
-
- domWindow = aWebProgress.DOMWindow;
- if (domWindow == _content)
- this.startDocumentLoad(aRequest);
-
- // Turn progress meter on.
- this.statusMeter.mode = "undetermined";
- this.throbberElement.setAttribute("busy", true);
-
- // XXX: These need to be based on window activity...
- this.stopButton.disabled = false;
- this.stopMenu.removeAttribute('disabled');
- this.stopContext.removeAttribute('disabled');
-
- // Initialize the progress stuff...
- this.useRealProgressFlag = false;
- this.totalRequests = 0;
- this.finishedRequests = 0;
- }
-
- if (aStateFlags & nsIWebProgressListener.STATE_IS_REQUEST) {
- this.totalRequests += 1;
- }
- }
- else if (aStateFlags & nsIWebProgressListener.STATE_STOP) {
- if (aStateFlags & nsIWebProgressListener.STATE_IS_REQUEST) {
- this.finishedRequests += 1;
- if (!this.useRealProgressFlag)
- this.onProgressChange(null, null, 0, 0, this.finishedRequests, this.totalRequests);
- }
- if (aStateFlags & nsIWebProgressListener.STATE_IS_NETWORK) {
- domWindow = aWebProgress.DOMWindow;
- if (domWindow == domWindow.top)
- this.endDocumentLoad(aRequest, aStatus);
-
- var location = aRequest.QueryInterface(nsIChannel).URI.spec;
- var msg = "";
- if (location != "about:blank") {
- // Record page loading time.
- var elapsed = ((new Date()).getTime() - this.startTime) / 1000;
- msg = gNavigatorBundle.getString("nv_done");
- msg = msg.replace(/%elapsed%/, elapsed);
- }
- this.status = "";
- this.setDefaultStatus(msg);
-
- // Turn progress meter off.
- this.statusMeter.mode = "normal";
- this.statusMeter.value = 0; // be sure to clear the progress bar
- this.throbberElement.removeAttribute("busy");
-
- // XXX: These need to be based on window activity...
- // XXXjag: <command id="cmd_stop"/> ?
- this.stopButton.disabled = true;
- this.stopMenu.setAttribute('disabled', 'true');
- this.stopContext.setAttribute('disabled', 'true');
-
- }
- }
- else if (aStateFlags & nsIWebProgressListener.STATE_TRANSFERRING) {
- if (aStateFlags & nsIWebProgressListener.STATE_IS_DOCUMENT) {
- var ctype = aRequest.QueryInterface(nsIChannel).contentType;
-
- if (ctype != "text/html")
- this.useRealProgressFlag = true;
-
- this.statusMeter.mode = "normal";
- }
-
- if (aStateFlags & nsIWebProgressListener.STATE_IS_REQUEST) {
- if (!this.useRealProgressFlag)
- this.onProgressChange(null, null, 0, 0, this.finishedRequests, this.totalRequests);
- }
- }
- },
-
- onLocationChange : function(aWebProgress, aRequest, aLocation)
- {
- var location = aLocation.spec;
- domWindow = aWebProgress.DOMWindow;
-
- if (this.hideAboutBlank) {
- this.hideAboutBlank = false;
- if (location == "about:blank")
- location = "";
- }
-
- // We should probably not do this if the value has changed since the user
- // searched
- // Update urlbar only if a new page was loaded on the primary content area
- // Do not update urlbar if there was a subframe navigation
- if (domWindow == domWindow.top) {
- this.urlBar.value = location;
- SetPageProxyState("valid");
- }
- UpdateBackForwardButtons();
- },
-
- onStatusChange : function(aWebProgress, aRequest, aStatus, aMessage)
- {
- //ignore local/resource:/chrome: files
- if (aStatus == NS_NET_STATUS_READ_FROM || aStatus == NS_NET_STATUS_WROTE_TO)
- return;
-
- if (!this.statusTimeoutInEffect) {
- this.statusTimeoutInEffect = true;
- this.status = aMessage;
- this.updateStatusField();
- setTimeout(function(aClosure) { aClosure.statusTimeoutInEffect = false; }, 400, this);
- }
- },
-
- onSecurityChange : function(aWebProgress, aRequest, aState)
- {
- },
-
- startDocumentLoad : function(aRequest)
- {
- const nsIChannel = Components.interfaces.nsIChannel;
- var urlStr = aRequest.QueryInterface(nsIChannel).URI.spec;
- var observerService = Components.classes["@mozilla.org/observer-service;1"]
- .getService(Components.interfaces.nsIObserverService);
- try {
- observerService.Notify(_content, "StartDocumentLoad", urlStr);
- } catch (e) {
- }
- },
-
- endDocumentLoad : function(aRequest, aStatus)
- {
- const nsIChannel = Components.interfaces.nsIChannel;
- var urlStr = aRequest.QueryInterface(nsIChannel).originalURI.spec;
-
- if (Components.isSuccessCode(aStatus))
- dump("Document "+urlStr+" loaded successfully\n"); // per QA request
- else {
- // per QA request
- var e = new Components.Exception("", aStatus);
- var name = e.name;
- dump("Error loading URL "+urlStr+" : "+
- Number(aStatus).toString(16));
- if (name)
- dump(" ("+name+")");
- dump('\n');
- }
-
- var observerService = Components.classes["@mozilla.org/observer-service;1"]
- .getService(Components.interfaces.nsIObserverService);
-
- var notification = Components.isSuccessCode(aStatus) ? "EndDocumentLoad" : "FailDocumentLoad";
- try {
- observerService.Notify(_content, notification, urlStr);
- } catch (e) {
- }
- }
- }
-
-