RetroZilla/editor/ui/composer/content/editorApplicationOverlay.js
2015-10-20 23:03:22 -04:00

170 lines
5.7 KiB
JavaScript

/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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 mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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 ***** */
/* Implementations of nsIControllerCommand for composer commands */
function initEditorContextMenuItems(aEvent)
{
var shouldShowEditPage = !gContextMenu.onImage && !gContextMenu.onLink && !gContextMenu.onTextInput && !gContextMenu.inDirList;
gContextMenu.showItem( "context-editpage", shouldShowEditPage );
var shouldShowEditLink = gContextMenu.onSaveableLink;
gContextMenu.showItem( "context-editlink", shouldShowEditLink );
// Hide the applications separator if there's no add-on apps present.
gContextMenu.showItem("context-sep-apps", gContextMenu.shouldShowSeparator("context-sep-apps"));
}
function initEditorContextMenuListener(aEvent)
{
var popup = document.getElementById("contentAreaContextMenu");
if (popup)
popup.addEventListener("popupshowing", initEditorContextMenuItems, false);
}
addEventListener("load", initEditorContextMenuListener, false);
function editDocument(aDocument)
{
if (!aDocument)
aDocument = window.content.document;
editPage(aDocument.URL);
}
function editPageOrFrame()
{
var focusedWindow = document.commandDispatcher.focusedWindow;
// if the uri is a specific frame, grab it, else use the frameset uri
// and let Composer handle error if necessary
editPage(getContentFrameURI(focusedWindow));
}
// Any non-editor window wanting to create an editor with a URL
// should use this instead of "window.openDialog..."
// We must always find an existing window with requested URL
function editPage(url)
{
// Always strip off "view-source:" and #anchors
url = url.replace(/^view-source:/, "").replace(/#.*/, "");
// if the current window is a browser window, then extract the current charset menu setting from the current
// document and use it to initialize the new composer window...
var wintype = document.documentElement.getAttribute('windowtype');
var charsetArg;
if (wintype == "navigator:browser" && content.document)
charsetArg = "charset=" + content.document.characterSet;
try {
var uri = createURI(url, null, null);
var windowManager = Components.classes['@mozilla.org/appshell/window-mediator;1'].getService();
var windowManagerInterface = windowManager.QueryInterface( Components.interfaces.nsIWindowMediator);
var enumerator = windowManagerInterface.getEnumerator( "composer:html" );
var emptyWindow;
while ( enumerator.hasMoreElements() )
{
var win = enumerator.getNext().QueryInterface(Components.interfaces.nsIDOMWindowInternal);
if ( win && win.IsWebComposer())
{
if (CheckOpenWindowForURIMatch(uri, win))
{
// We found an editor with our url
win.focus();
return;
}
else if (!emptyWindow && win.PageIsEmptyAndUntouched())
{
emptyWindow = win;
}
}
}
if (emptyWindow)
{
// we have an empty window we can use
if (emptyWindow.IsInHTMLSourceMode())
emptyWindow.SetEditMode(emptyWindow.PreviousNonSourceDisplayMode);
emptyWindow.EditorLoadUrl(url);
emptyWindow.focus();
emptyWindow.SetSaveAndPublishUI(url);
return;
}
// Create new Composer window
openDialog("chrome://editor/content", "_blank", "chrome,all,dialog=no", url, charsetArg);
} catch(e) {}
}
function createURI(urlstring)
{
try {
var ioserv = Components.classes["@mozilla.org/network/io-service;1"]
.getService(Components.interfaces.nsIIOService);
return ioserv.newURI(urlstring, null, null);
} catch (e) {}
return null;
}
function CheckOpenWindowForURIMatch(uri, win)
{
try {
var contentWindow = win.content; // need to QI win to nsIDOMWindowInternal?
var contentDoc = contentWindow.document;
var htmlDoc = contentDoc.QueryInterface(Components.interfaces.nsIDOMHTMLDocument);
var winuri = createURI(htmlDoc.URL);
return winuri.equals(uri);
} catch (e) {}
return false;
}
function NewEditorFromTemplate()
{
// XXX not implemented
}
function NewEditorFromDraft()
{
// XXX not implemented
}