2007-03-22 10:30:00 -07:00
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# -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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# ***** 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 View Source Utilities.
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#
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# The Initial Developer of the Original Code is
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# Jason Barnabe.
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# Portions created by the Initial Developer are Copyright (C) 2005
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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2008-09-08 05:06:06 -07:00
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# Simon Bünzli <zeniko@gmail.com>
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2007-03-22 10:30:00 -07:00
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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# 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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/*
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* To keep the global namespace safe, don't define global variables and
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* functions in this file.
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*
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2008-09-08 05:06:06 -07:00
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* This file silently depends on contentAreaUtils.js for
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* getDefaultFileName, getNormalizedLeafName and getDefaultExtension
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*/
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2007-03-22 10:30:00 -07:00
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var gViewSourceUtils = {
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mnsIWebBrowserPersist: Components.interfaces.nsIWebBrowserPersist,
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mnsIWebProgress: Components.interfaces.nsIWebProgress,
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mnsIWebPageDescriptor: Components.interfaces.nsIWebPageDescriptor,
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2008-09-08 05:06:06 -07:00
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// Opens view source
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viewSource: function(aURL, aPageDescriptor, aDocument, aLineNumber)
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{
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var prefs = Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Components.interfaces.nsIPrefBranch);
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if (prefs.getBoolPref("view_source.editor.external"))
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this.openInExternalEditor(aURL, aPageDescriptor, aDocument, aLineNumber);
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else
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this.openInInternalViewer(aURL, aPageDescriptor, aDocument, aLineNumber);
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},
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2007-03-22 10:30:00 -07:00
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// Opens the interval view source viewer
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2008-09-08 05:06:06 -07:00
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openInInternalViewer: function(aURL, aPageDescriptor, aDocument, aLineNumber)
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2007-03-22 10:30:00 -07:00
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{
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// try to open a view-source window while inheriting the charset (if any)
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var charset = null;
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2007-08-11 11:55:27 -07:00
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var isForcedCharset = false;
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if (aDocument) {
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2007-03-22 10:30:00 -07:00
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charset = "charset=" + aDocument.characterSet;
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2007-08-11 11:55:27 -07:00
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try {
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isForcedCharset =
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aDocument.defaultView
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.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
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.getInterface(Components.interfaces.nsIDOMWindowUtils)
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.docCharsetIsForced;
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} catch (ex) {
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}
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}
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2007-03-22 10:30:00 -07:00
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openDialog("chrome://global/content/viewSource.xul",
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"_blank",
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"all,dialog=no",
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2008-09-08 05:06:06 -07:00
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aURL, charset, aPageDescriptor, aLineNumber, isForcedCharset);
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2007-03-22 10:30:00 -07:00
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},
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// aCallBack is a function accepting two arguments - result (true=success) and a data object
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// It defaults to openInInternalViewer if undefined.
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2008-09-08 05:06:06 -07:00
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openInExternalEditor: function(aURL, aPageDescriptor, aDocument, aLineNumber, aCallBack)
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2007-03-22 10:30:00 -07:00
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{
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2008-09-08 05:06:06 -07:00
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var data = {url: aURL, pageDescriptor: aPageDescriptor, doc: aDocument,
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lineNumber: aLineNumber};
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2007-03-22 10:30:00 -07:00
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try {
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var editor = this.getExternalViewSourceEditor();
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if (!editor) {
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this.handleCallBack(aCallBack, false, data);
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return;
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}
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// make a uri
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var ios = Components.classes["@mozilla.org/network/io-service;1"]
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.getService(Components.interfaces.nsIIOService);
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var charset = aDocument ? aDocument.characterSet : null;
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var uri = ios.newURI(aURL, charset, null);
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data.uri = uri;
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var path;
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var contentType = aDocument ? aDocument.contentType : null;
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if (uri.scheme == "file") {
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// it's a local file; we can open it directly
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path = uri.QueryInterface(Components.interfaces.nsIFileURL).file.path;
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editor.run(false, [path], 1);
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this.handleCallBack(aCallBack, true, data);
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} else {
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// set up the progress listener with what we know so far
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this.viewSourceProgressListener.editor = editor;
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this.viewSourceProgressListener.callBack = aCallBack;
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this.viewSourceProgressListener.data = data;
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if (!aPageDescriptor) {
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// without a page descriptor, loadPage has no chance of working. download the file.
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var file = this.getTemporaryFile(uri, aDocument, contentType);
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this.viewSourceProgressListener.file = file;
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var webBrowserPersist = Components
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.classes["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"]
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.createInstance(this.mnsIWebBrowserPersist);
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// the default setting is to not decode. we need to decode.
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webBrowserPersist.persistFlags = this.mnsIWebBrowserPersist.PERSIST_FLAGS_REPLACE_EXISTING_FILES;
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webBrowserPersist.progressListener = this.viewSourceProgressListener;
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webBrowserPersist.saveURI(uri, null, null, null, null, file);
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2008-09-22 12:16:27 -07:00
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// register the file to be deleted on app exit
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Components.classes["@mozilla.org/uriloader/external-helper-app-service;1"]
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.getService(Components.interfaces.nsPIExternalAppLauncher)
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.deleteTemporaryFileOnExit(file);
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2007-03-22 10:30:00 -07:00
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} else {
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2009-05-07 12:21:53 -07:00
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// we'll use nsIWebPageDescriptor to get the source because it may
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// not have to refetch the file from the server
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// XXXbz this is so broken... This code doesn't set up this docshell
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// at all correctly; if somehow the view-source stuff managed to
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// execute script we'd be in big trouble here, I suspect.
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var webShell = Components.classes["@mozilla.org/docshell;1"].createInstance();
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2007-03-22 10:30:00 -07:00
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this.viewSourceProgressListener.webShell = webShell;
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var progress = webShell.QueryInterface(this.mnsIWebProgress);
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progress.addProgressListener(this.viewSourceProgressListener,
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this.mnsIWebProgress.NOTIFY_STATE_DOCUMENT);
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var pageLoader = webShell.QueryInterface(this.mnsIWebPageDescriptor);
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pageLoader.loadPage(aPageDescriptor, this.mnsIWebPageDescriptor.DISPLAY_AS_SOURCE);
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}
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}
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} catch (ex) {
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// we failed loading it with the external editor.
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Components.utils.reportError(ex);
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this.handleCallBack(aCallBack, false, data);
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return;
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}
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},
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// Default callback - opens the internal viewer if the external editor failed
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internalViewerFallback: function(result, data)
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{
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if (!result) {
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2008-09-08 05:06:06 -07:00
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this.openInInternalViewer(data.url, data.pageDescriptor, data.doc, data.lineNumber);
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2007-03-22 10:30:00 -07:00
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}
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},
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// Calls the callback, keeping in mind undefined or null values.
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handleCallBack: function(aCallBack, result, data)
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{
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// ifcallback is undefined, default to the internal viewer
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if (aCallBack === undefined) {
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this.internalViewerFallback(result, data);
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} else if (aCallBack) {
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aCallBack(result, data);
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}
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},
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// Returns nsIProcess of the external view source editor or null
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getExternalViewSourceEditor: function()
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{
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try {
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2008-09-15 06:15:43 -07:00
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let prefPath =
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Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Components.interfaces.nsIPrefBranch)
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.getCharPref("view_source.editor.path");
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let viewSourceAppPath =
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Components.classes["@mozilla.org/file/local;1"]
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.createInstance(Components.interfaces.nsILocalFile);
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viewSourceAppPath.initWithPath(prefPath);
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let editor = Components.classes['@mozilla.org/process/util;1']
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2007-03-22 10:30:00 -07:00
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.createInstance(Components.interfaces.nsIProcess);
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2008-09-15 06:15:43 -07:00
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editor.init(viewSourceAppPath);
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return editor;
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2007-03-22 10:30:00 -07:00
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}
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catch (ex) {
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Components.utils.reportError(ex);
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}
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2008-09-15 06:15:43 -07:00
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return null;
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2007-03-22 10:30:00 -07:00
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},
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viewSourceProgressListener: {
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mnsIWebProgressListener: Components.interfaces.nsIWebProgressListener,
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QueryInterface: function(aIID) {
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if (aIID.equals(this.mnsIWebProgressListener) ||
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aIID.equals(Components.interfaces.nsISupportsWeakReference) ||
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aIID.equals(Components.interfaces.nsISupports))
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return this;
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throw Components.results.NS_NOINTERFACE;
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},
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destroy: function() {
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this.webShell = null;
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this.editor = null;
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this.callBack = null;
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this.data = null;
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this.file = null;
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},
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onStateChange: function(aProgress, aRequest, aFlag, aStatus) {
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// once it's done loading...
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if ((aFlag & this.mnsIWebProgressListener.STATE_STOP) && aStatus == 0) {
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try {
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if (!this.file) {
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// it's not saved to file yet, it's in the webshell
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// get a temporary filename using the attributes from the data object that
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// openInExternalEditor gave us
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this.file = gViewSourceUtils.getTemporaryFile(this.data.uri, this.data.doc,
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this.data.doc.contentType);
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// we have to convert from the source charset.
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var webNavigation = this.webShell.QueryInterface(Components.interfaces.nsIWebNavigation);
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var foStream = Components.classes["@mozilla.org/network/file-output-stream;1"]
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.createInstance(Components.interfaces.nsIFileOutputStream);
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foStream.init(this.file, 0x02 | 0x08 | 0x20, 0664, 0); // write | create | truncate
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var coStream = Components.classes["@mozilla.org/intl/converter-output-stream;1"]
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.createInstance(Components.interfaces.nsIConverterOutputStream);
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coStream.init(foStream, this.data.doc.characterSet, 0, null);
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// write the source to the file
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coStream.writeString(webNavigation.document.body.textContent);
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// clean up
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coStream.close();
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foStream.close();
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2008-09-22 12:16:27 -07:00
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// register the file to be deleted on app exit
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Components.classes["@mozilla.org/uriloader/external-helper-app-service;1"]
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.getService(Components.interfaces.nsPIExternalAppLauncher)
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.deleteTemporaryFileOnExit(this.file);
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2007-03-22 10:30:00 -07:00
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}
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2008-09-08 05:06:06 -07:00
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// Determine the command line arguments to pass to the editor.
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// We currently support a %LINE% placeholder which is set to the passed
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// line number (or to 0 if there's none)
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2008-09-08 05:10:11 -07:00
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var editorArgs = [];
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2008-09-08 05:06:06 -07:00
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var prefs = Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Components.interfaces.nsIPrefBranch);
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var args = prefs.getCharPref("view_source.editor.args");
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if (args) {
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args = args.replace("%LINE%", this.data.lineNumber || "0");
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// add the arguments to the array (keeping quoted strings intact)
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const argumentRE = /"([^"]+)"|(\S+)/g;
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while (argumentRE.test(args))
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editorArgs.push(RegExp.$1 || RegExp.$2);
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}
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editorArgs.push(this.file.path);
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this.editor.run(false, editorArgs, editorArgs.length);
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2007-03-22 10:30:00 -07:00
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gViewSourceUtils.handleCallBack(this.callBack, true, this.data);
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} catch (ex) {
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// we failed loading it with the external editor.
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Components.utils.reportError(ex);
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gViewSourceUtils.handleCallBack(this.callBack, false, this.data);
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} finally {
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this.destroy();
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}
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}
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return 0;
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},
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onLocationChange: function() {return 0;},
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onProgressChange: function() {return 0;},
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onStatusChange: function() {return 0;},
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onSecurityChange: function() {return 0;},
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onLinkIconAvailable: function() {return 0;},
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webShell: null,
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editor: null,
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callBack: null,
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data: null,
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file: null
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},
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// returns an nsIFile for the passed document in the system temp directory
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getTemporaryFile: function(aURI, aDocument, aContentType) {
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2008-09-08 05:06:06 -07:00
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// include contentAreaUtils.js in our own context when we first need it
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if (!this._caUtils) {
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var scriptLoader = Components.classes["@mozilla.org/moz/jssubscript-loader;1"]
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.getService(Components.interfaces.mozIJSSubScriptLoader);
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this._caUtils = {};
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scriptLoader.loadSubScript("chrome://global/content/contentAreaUtils.js", this._caUtils);
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}
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2007-03-22 10:30:00 -07:00
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var fileLocator = Components.classes["@mozilla.org/file/directory_service;1"]
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.getService(Components.interfaces.nsIProperties);
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var tempFile = fileLocator.get("TmpD", Components.interfaces.nsIFile);
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2008-09-08 05:06:06 -07:00
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var fileName = this._caUtils.getDefaultFileName(null, aURI, aDocument, aContentType);
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var extension = this._caUtils.getDefaultExtension(fileName, aURI, aContentType);
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var leafName = this._caUtils.getNormalizedLeafName(fileName, extension);
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2007-03-22 10:30:00 -07:00
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tempFile.append(leafName);
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return tempFile;
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|
}
|
|
|
|
}
|