235 строки
7.2 KiB
JavaScript
235 строки
7.2 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Akkana Peck (akkana@netscape.com)
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* Charles Manxke (cmanske@netscape.com)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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// Variables used across all the links being checked:
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var gNumLinksToCheck = 0; // The number of nsILinkCheckers
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var gLinksBeingChecked = []; // Array of nsIURICheckers
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var gURIRefObjects = []; // Array of nsIURIRefObjects
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var gNumLinksCalledBack = 0;
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var gStartedAllChecks = false;
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var gLinkCheckTimerID = 0;
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// Implement nsIRequestObserver:
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var gRequestObserver =
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{
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// urichecker requires that we have an OnStartRequest even tho it's a nop.
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onStartRequest: function(request, ctxt) { },
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// onStopRequest is where we really handle the status.
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onStopRequest: function(request, ctxt, status)
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{
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var linkChecker = request.QueryInterface(Components.interfaces.nsIURIChecker);
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if (linkChecker)
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{
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gNumLinksCalledBack++;
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linkChecker.status = status;
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for (var i = 0; i < gNumLinksCalledBack; i++)
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{
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if (linkChecker == gLinksBeingChecked[i])
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gLinksBeingChecked[i].status = status;
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}
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if (gStartedAllChecks && gNumLinksCalledBack >= gNumLinksToCheck)
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{
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clearTimeout(gLinkCheckTimerID);
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LinkCheckTimeOut();
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}
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}
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}
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}
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function Startup()
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{
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var editor = GetCurrentEditor();
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if (!editor)
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{
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window.close();
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return;
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}
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// Get all objects that refer to other locations
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var objects;
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try {
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objects = editor.getLinkedObjects();
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} catch (e) {}
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if (!objects || objects.Count() == 0)
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{
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AlertWithTitle(GetString("Alert"), GetString("NoLinksToCheck"));
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window.close();
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return;
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}
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gDialog.LinksList = document.getElementById("LinksList");
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// Set window location relative to parent window (based on persisted attributes)
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SetWindowLocation();
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// Loop over the nodes that have links:
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for (var i = 0; i < objects.Count(); i++)
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{
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var refobj = objects.GetElementAt(gNumLinksToCheck).QueryInterface(Components.interfaces.nsIURIRefObject);
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// Loop over the links in this node:
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if (refobj)
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{
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try {
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var uri;
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while ((uri = refobj.GetNextURI()))
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{
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// Use the real class in netlib:
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// Note that there may be more than one link per refobj
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gURIRefObjects[gNumLinksToCheck] = refobj;
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// Make a new nsIURIChecker
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gLinksBeingChecked[gNumLinksToCheck]
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= Components.classes["@mozilla.org/network/urichecker;1"]
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.createInstance()
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.QueryInterface(Components.interfaces.nsIURIChecker);
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// XXX uri creation needs to be localized
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gLinksBeingChecked[gNumLinksToCheck].init(GetIOService().newURI(uri, null, null));
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gLinksBeingChecked[gNumLinksToCheck].asyncCheck(gRequestObserver, null);
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// Add item
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var linkChecker = gLinksBeingChecked[gNumLinksToCheck].QueryInterface(Components.interfaces.nsIURIChecker);
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SetItemStatus(linkChecker.name, "busy");
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dump(" *** Linkcount = "+gNumLinksToCheck+"\n");
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gNumLinksToCheck++;
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};
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} catch (e) { dump (" *** EXCEPTION\n");}
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}
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}
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// Done with the loop, now we can be prepared for the finish:
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gStartedAllChecks = true;
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// Start timer to limit how long we wait for link checking
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gLinkCheckTimerID = setTimeout(LinkCheckTimeOut, 5000);
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window.sizeToContent();
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}
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function LinkCheckTimeOut()
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{
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// We might have gotten here via a late timeout
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if (gNumLinksToCheck <= 0)
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return;
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gLinkCheckTimerID = 0;
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gNumLinksToCheck = 0;
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gStartedAllChecks = false;
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for (var i=0; i < gLinksBeingChecked.length; i++)
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{
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var linkChecker = gLinksBeingChecked[i].QueryInterface(Components.interfaces.nsIURIChecker);
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// nsIURIChecker status values:
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// NS_BINDING_SUCCEEDED link is valid
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// NS_BINDING_FAILED link is invalid (gave an error)
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// NS_BINDING_ABORTED timed out, or cancelled
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switch (linkChecker.status)
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{
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case 0: // NS_BINDING_SUCCEEDED
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SetItemStatus(linkChecker.name, "done");
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break;
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case 0x804b0001: // NS_BINDING_FAILED
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dump(">> " + linkChecker.name + " is broken\n");
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case 0x804b0002: // NS_BINDING_ABORTED
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// dump(">> " + linkChecker.name + " timed out\n");
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default:
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// dump(">> " + linkChecker.name + " not checked\n");
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SetItemStatus(linkChecker.name, "failed");
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break;
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}
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}
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}
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// Add url to list of links to check
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// or set status for file already in the list
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// Returns true if url was in the list
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function SetItemStatus(url, status)
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{
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if (!url)
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return false;
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if (!status)
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status = "busy";
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// Just set attribute for status icon
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// if we already have this url
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var listitems = document.getElementsByTagName("listitem");
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if (listitems)
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{
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for (var i=0; i < listitems.length; i++)
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{
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if (listitems[i].getAttribute("label") == url)
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{
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listitems[i].setAttribute("progress", status);
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return true;
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}
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}
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}
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// We're adding a new item to list
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var listitem = document.createElementNS(XUL_NS, "listitem");
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if (listitem)
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{
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listitem.setAttribute("class", "listitem-iconic progressitem");
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// This triggers CSS to show icon for each status state
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listitem.setAttribute("progress", status);
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listitem.setAttribute("label", url);
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gDialog.LinksList.appendChild(listitem);
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}
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return false;
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}
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function onAccept()
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{
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SaveWindowLocation();
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return true; // do close the window
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}
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function onCancelLinkChecker()
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{
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if (gLinkCheckTimerID)
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clearTimeout(gLinkCheckTimerID);
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/*
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LinkCheckTimeOut();
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*/
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return onCancel();
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}
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