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