forked from mirrors/gecko-dev
931 lines
31 KiB
JavaScript
931 lines
31 KiB
JavaScript
/**
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* Determine whether or not a given focused DOMWindow is in the content
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* area.
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**/
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function openNewTabWith(href, linkNode, event, securityCheck, postData)
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{
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if (securityCheck)
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urlSecurityCheck(href, document);
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var prefSvc = Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Components.interfaces.nsIPrefService);
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prefSvc = prefSvc.getBranch(null);
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// should we open it in a new tab?
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var loadInBackground = true;
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try {
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loadInBackground = prefSvc.getBoolPref("browser.tabs.loadInBackground");
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}
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catch(ex) {
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}
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if (event && event.shiftKey)
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loadInBackground = !loadInBackground;
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// As in openNewWindowWith(), we want to pass the charset of the
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// current document over to a new tab.
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var wintype = document.firstChild.getAttribute('windowtype');
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var originCharset;
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if (wintype == "navigator:browser") {
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originCharset = window._content.document.characterSet;
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}
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// open link in new tab
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var browser = top.document.getElementById("content");
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var theTab = browser.addTab(href, getReferrer(document), originCharset, postData);
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if (!loadInBackground)
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browser.selectedTab = theTab;
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if (linkNode)
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markLinkVisited(href, linkNode);
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}
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function openNewWindowWith(href, linkNode, securityCheck, postData)
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{
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if (securityCheck)
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urlSecurityCheck(href, document);
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// if and only if the current window is a browser window and it has a document with a character
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// set, then extract the current charset menu setting from the current document and use it to
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// initialize the new browser window...
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var charsetArg = null;
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var wintype = document.firstChild.getAttribute('windowtype');
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if (wintype == "navigator:browser")
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charsetArg = "charset=" + window._content.document.characterSet;
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var referrer = getReferrer(document);
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window.openDialog(getBrowserURL(), "_blank", "chrome,all,dialog=no", href, charsetArg, referrer, postData);
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if (linkNode)
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markLinkVisited(href, linkNode);
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}
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function markLinkVisited(href, linkNode)
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{
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var globalHistory = Components.classes["@mozilla.org/browser/global-history;2"]
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.getService(Components.interfaces.nsIGlobalHistory2);
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var uri = makeURL(href);
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if (!globalHistory.isVisited(uri)) {
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globalHistory.addURI(uri, false, true);
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var oldHref = linkNode.getAttribute("href");
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if (typeof oldHref == "string") {
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// Use setAttribute instead of direct assignment.
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// (bug 217195, bug 187195)
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linkNode.setAttribute("href", "");
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linkNode.setAttribute("href", oldHref);
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}
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else {
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// Converting to string implicitly would be a
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// minor security hole (similar to bug 202994).
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}
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}
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}
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function urlSecurityCheck(url, doc)
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{
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// URL Loading Security Check
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var focusedWindow = doc.commandDispatcher.focusedWindow;
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var sourceURL = getContentFrameURI(focusedWindow);
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const nsIScriptSecurityManager = Components.interfaces.nsIScriptSecurityManager;
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var secMan = Components.classes["@mozilla.org/scriptsecuritymanager;1"]
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.getService(nsIScriptSecurityManager);
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try {
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secMan.checkLoadURIStr(sourceURL, url, nsIScriptSecurityManager.STANDARD);
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} catch (e) {
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throw "Load of " + url + " denied.";
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}
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}
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function isContentFrame(aFocusedWindow)
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{
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if (!aFocusedWindow)
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return false;
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var focusedTop = Components.lookupMethod(aFocusedWindow, 'top')
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.call(aFocusedWindow);
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return (focusedTop == window.content);
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}
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function getContentFrameURI(aFocusedWindow)
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{
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var contentFrame = isContentFrame(aFocusedWindow) ? aFocusedWindow : window.content;
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if (contentFrame)
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return Components.lookupMethod(contentFrame, 'location').call(contentFrame).href;
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else
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return null;
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}
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function getReferrer(doc)
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{
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var focusedWindow = doc.commandDispatcher.focusedWindow;
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var sourceURL = getContentFrameURI(focusedWindow);
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if (sourceURL) {
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try {
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return makeURL(sourceURL);
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}
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catch (e) { }
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}
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return null;
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}
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const kSaveAsType_Complete = 0; // Save document with attached objects
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const kSaveAsType_URL = 1; // Save document or URL by itself
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const kSaveAsType_Text = 2; // Save document, converting to plain text.
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// Clientelle: (Make sure you don't break any of these)
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// - File -> Save Page/Frame As...
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// - Context -> Save Page/Frame As...
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// - Context -> Save Link As...
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// - Context -> Save Image As...
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// - Alt-Click links in web pages
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// - Alt-Click links in the UI
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//
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// Try saving each of these types:
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// - A complete webpage using File->Save Page As, and Context->Save Page As
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// - A webpage as HTML only using the above methods
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// - A webpage as Text only using the above methods
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// - An image with an extension (e.g. .jpg) in its file name, using
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// Context->Save Image As...
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// - An image without an extension (e.g. a banner ad on cnn.com) using
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// the above method.
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// - A linked document using Save Link As...
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// - A linked document using Alt-click Save Link As...
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//
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function saveURL(aURL, aFileName, aFilePickerTitleKey, aShouldBypassCache, aSkipPrompt)
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{
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saveInternal(aURL, null, aFileName, aFilePickerTitleKey, aShouldBypassCache, aSkipPrompt);
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}
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function saveDocument(aDocument, aSkipPrompt)
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{
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// In both cases here, we want to use cached data because the
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// document is currently visible.
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if (aDocument)
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saveInternal(aDocument.location.href, aDocument, false, aSkipPrompt);
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else
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saveInternal(_content.location.href, null, false, aSkipPrompt);
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}
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function saveInternal(aURL, aDocument,
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aFileName, aFilePickerTitleKey,
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aShouldBypassCache, aSkipPrompt)
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{
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if (aSkipPrompt == undefined)
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aSkipPrompt = false;
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var data = {
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url: aURL,
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fileName: aFileName,
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filePickerTitle: aFilePickerTitleKey,
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document: aDocument,
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bypassCache: aShouldBypassCache,
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window: window
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};
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var sniffer = new nsHeaderSniffer(aURL, foundHeaderInfo, data, aSkipPrompt);
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}
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function foundHeaderInfo(aSniffer, aData, aSkipPrompt)
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{
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var contentType = aSniffer.contentType;
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var contentEncodingType = aSniffer.contentEncodingType;
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var shouldDecode = false;
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// Are we allowed to decode?
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try {
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const helperAppService =
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Components.classes["@mozilla.org/uriloader/external-helper-app-service;1"].
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getService(Components.interfaces.nsIExternalHelperAppService);
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var url = aSniffer.uri.QueryInterface(Components.interfaces.nsIURL);
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var urlExt = url.fileExtension;
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if (helperAppService.applyDecodingForExtension(urlExt,
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contentEncodingType)) {
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shouldDecode = true;
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}
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}
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catch (e) {
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}
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var isDocument = aData.document != null && isDocumentType(contentType);
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if (!isDocument && !shouldDecode && contentEncodingType) {
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// The data is encoded, we are not going to decode it, and this is not a
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// document save so we won't be doing a "save as, complete" (which would
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// break if we reset the type here). So just set our content type to
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// correspond to the outermost encoding so we get extensions and the like
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// right.
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contentType = contentEncodingType;
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}
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var file = null;
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var saveAsType = kSaveAsType_URL;
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try {
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file = aData.fileName.QueryInterface(Components.interfaces.nsILocalFile);
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}
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catch (e) {
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var saveAsTypeResult = { rv: 0 };
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file = getTargetFile(aData, aSniffer, contentType, isDocument, aSkipPrompt, saveAsTypeResult);
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if (!file)
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return;
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saveAsType = saveAsTypeResult.rv;
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}
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// If we're saving a document, and are saving either in complete mode or
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// as converted text, pass the document to the web browser persist component.
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// If we're just saving the HTML (second option in the list), send only the URI.
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var source = (isDocument && saveAsType != kSaveAsType_URL) ? aData.document : aSniffer.uri;
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var persistArgs = {
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source : source,
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contentType : (isDocument && saveAsType == kSaveAsType_Text) ? "text/plain" : contentType,
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target : makeFileURL(file),
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postData : aData.document ? getPostData() : null,
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bypassCache : aData.bypassCache
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};
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var persist = makeWebBrowserPersist();
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// Calculate persist flags.
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const nsIWBP = Components.interfaces.nsIWebBrowserPersist;
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const flags = nsIWBP.PERSIST_FLAGS_NO_CONVERSION | nsIWBP.PERSIST_FLAGS_REPLACE_EXISTING_FILES;
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if (aData.bypassCache)
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persist.persistFlags = flags | nsIWBP.PERSIST_FLAGS_BYPASS_CACHE;
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else
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persist.persistFlags = flags | nsIWBP.PERSIST_FLAGS_FROM_CACHE;
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if (shouldDecode)
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persist.persistFlags &= ~nsIWBP.PERSIST_FLAGS_NO_CONVERSION;
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// Create download and initiate it (below)
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var dl = Components.classes["@mozilla.org/download;1"].createInstance(Components.interfaces.nsIDownload);
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if (isDocument && saveAsType != kSaveAsType_URL) {
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// Saving a Document, not a URI:
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var filesFolder = null;
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if (persistArgs.contentType != "text/plain") {
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// Create the local directory into which to save associated files.
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filesFolder = file.clone();
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var nameWithoutExtension = filesFolder.leafName;
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nameWithoutExtension = nameWithoutExtension.substring(0, nameWithoutExtension.lastIndexOf("."));
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var filesFolderLeafName = getStringBundle().formatStringFromName("filesFolder",
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[nameWithoutExtension],
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1);
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filesFolder.leafName = filesFolderLeafName;
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}
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var encodingFlags = 0;
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if (persistArgs.contentType == "text/plain") {
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encodingFlags |= nsIWBP.ENCODE_FLAGS_FORMATTED;
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encodingFlags |= nsIWBP.ENCODE_FLAGS_ABSOLUTE_LINKS;
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encodingFlags |= nsIWBP.ENCODE_FLAGS_NOFRAMES_CONTENT;
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}
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const kWrapColumn = 80;
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dl.init(aSniffer.uri, persistArgs.target, null, null, null, persist);
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persist.saveDocument(persistArgs.source, persistArgs.target, filesFolder,
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persistArgs.contentType, encodingFlags, kWrapColumn);
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} else {
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dl.init(source, persistArgs.target, null, null, null, persist);
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persist.saveURI(source, null, getReferrer(document), persistArgs.postData, null, persistArgs.target);
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}
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}
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function getTargetFile(aData, aSniffer, aContentType, aIsDocument, aSkipPrompt, aSaveAsTypeResult)
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{
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aSaveAsTypeResult.rv = kSaveAsType_Complete;
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// Determine what the 'default' string to display in the File Picker dialog
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// should be.
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var defaultFileName = getDefaultFileName(aData.fileName,
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aSniffer.suggestedFileName,
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aSniffer.uri,
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aData.document);
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var defaultExtension = getDefaultExtension(defaultFileName, aSniffer.uri, aContentType);
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var defaultString = getNormalizedLeafName(defaultFileName, defaultExtension);
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const prefSvcContractID = "@mozilla.org/preferences-service;1";
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const prefSvcIID = Components.interfaces.nsIPrefService;
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var prefs = Components.classes[prefSvcContractID].getService(prefSvcIID).getBranch("browser.download.");
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const nsILocalFile = Components.interfaces.nsILocalFile;
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// ben 07/31/2003:
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// |browser.download.defaultFolder| holds the default download folder for
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// all files when the user has elected to have all files automatically
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// download to a folder. The values of |defaultFolder| can be either their
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// desktop, their downloads folder (My Documents\My Downloads) or some other
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// location of their choosing (which is mapped to |browser.download.dir|
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// This pref is _unset_ when the user has elected to be asked about where
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// to place every download - this will force the prompt to ask the user
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// where to put saved files.
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var dir = null;
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try {
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dir = prefs.getComplexValue("defaultFolder", nsILocalFile);
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}
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catch (e) { }
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var file;
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if (!aSkipPrompt || !dir) {
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// If we're asking the user where to save the file, root the Save As...
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// dialog on they place they last picked.
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try {
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dir = prefs.getComplexValue("lastDir", nsILocalFile);
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}
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catch (e) {
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// No default download location. Default to desktop.
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var fileLocator = Components.classes["@mozilla.org/file/directory_service;1"].getService(Components.interfaces.nsIProperties);
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function getDesktopKey()
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{
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#ifdef XP_WIN
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return "DeskP";
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#endif
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#ifdef XP_MACOSX
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return "UsrDsk";
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#endif
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#ifdef XP_OS2
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return "Desk";
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#endif
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return "Home";
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}
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dir = fileLocator.get(getDesktopKey(), Components.interfaces.nsILocalFile);
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}
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var fp = makeFilePicker();
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var titleKey = aData.filePickerTitle || "SaveLinkTitle";
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var bundle = getStringBundle();
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fp.init(window, bundle.GetStringFromName(titleKey),
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Components.interfaces.nsIFilePicker.modeSave);
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var urlExt = null;
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try {
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var url = aSniffer.uri.QueryInterface(Components.interfaces.nsIURL);
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urlExt = url.fileExtension;
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}
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catch (e) {
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}
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appendFiltersForContentType(fp, aContentType, urlExt,
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aIsDocument ? MODE_COMPLETE : MODE_FILEONLY);
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if (dir)
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fp.displayDirectory = dir;
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if (aIsDocument) {
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try {
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fp.filterIndex = prefs.getIntPref("save_converter_index");
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}
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catch (e) {
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}
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}
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fp.defaultExtension = defaultExtension;
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fp.defaultString = defaultString;
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if (fp.show() == Components.interfaces.nsIFilePicker.returnCancel || !fp.file)
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return null;
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var useDownloadDir = false;
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try {
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useDownloadDir = prefs.getBoolPref("useDownloadDir");
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}
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catch(ex) {
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}
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var directory = fp.file.parent.QueryInterface(nsILocalFile);
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prefs.setComplexValue("lastDir", nsILocalFile, directory);
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fp.file.leafName = validateFileName(fp.file.leafName);
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aSaveAsTypeResult.rv = fp.filterIndex;
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file = fp.file;
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if (aIsDocument)
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prefs.setIntPref("save_converter_index", aSaveAsTypeResult.rv);
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}
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else {
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// ben 07/31/2003:
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// We don't nullcheck dir here because dir should never be null if we get here
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// unless something is badly wrong, and if it is, I want to know about it in
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// bugs.
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dir.append(defaultString);
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file = dir;
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// Since we're automatically downloading, we don't get the file picker's
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// logic to check for existing files, so we need to do that here.
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//
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// Note - this code is identical to that in
|
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// browser/components/downloads/content/nsHelperAppDlg.js.
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// If you are updating this code, update that code too! We can't share code
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// here since that code is called in a js component.
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while (file.exists()) {
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var parts = /.+-(\d+)(\..*)?$/.exec(file.leafName);
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if (parts) {
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file.leafName = file.leafName.replace(/((\d+)\.)|((\d+)$)/,
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function (str, dot, dotNum, noDot, noDotNum, pos, s) {
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return (parseInt(str) + 1) + (dot ? "." : "");
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});
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}
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else {
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file.leafName = file.leafName.replace(/\.|$/, "-1$&");
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}
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}
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|
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}
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return file;
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}
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|
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function nsHeaderSniffer(aURL, aCallback, aData, aSkipPrompt)
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{
|
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this.mCallback = aCallback;
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this.mData = aData;
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this.mSkipPrompt = aSkipPrompt;
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|
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this.uri = makeURL(aURL);
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|
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this.linkChecker = Components.classes["@mozilla.org/network/urichecker;1"]
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.createInstance(Components.interfaces.nsIURIChecker);
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this.linkChecker.init(this.uri);
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|
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var flags;
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if (aData.bypassCache) {
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flags = Components.interfaces.nsIRequest.LOAD_BYPASS_CACHE;
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|
} else {
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flags = Components.interfaces.nsIRequest.LOAD_FROM_CACHE;
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}
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this.linkChecker.loadFlags = flags;
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|
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this.linkChecker.asyncCheck(this, null);
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}
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|
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nsHeaderSniffer.prototype = {
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|
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// ---------- nsISupports methods ----------
|
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QueryInterface: function (iid) {
|
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if (!iid.equals(Components.interfaces.nsIRequestObserver) &&
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!iid.equals(Components.interfaces.nsISupports) &&
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!iid.equals(Components.interfaces.nsIInterfaceRequestor)) {
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throw Components.results.NS_ERROR_NO_INTERFACE;
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}
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return this;
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},
|
|
|
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// ---------- nsIInterfaceRequestor methods ----------
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getInterface : function(iid) {
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if (iid.equals(Components.interfaces.nsIAuthPrompt)) {
|
|
// use the window watcher service to get a nsIAuthPrompt impl
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|
var ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
|
|
.getService(Components.interfaces.nsIWindowWatcher);
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return ww.getNewAuthPrompter(window);
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}
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Components.returnCode = Components.results.NS_ERROR_NO_INTERFACE;
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return null;
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},
|
|
|
|
// ---------- nsIRequestObserver methods ----------
|
|
onStartRequest: function (aRequest, aContext) { },
|
|
|
|
onStopRequest: function (aRequest, aContext, aStatus) {
|
|
try {
|
|
if (aStatus == 0) { // NS_BINDING_SUCCEEDED, so there's something there
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|
var linkChecker = aRequest.QueryInterface(Components.interfaces.nsIURIChecker);
|
|
var channel = linkChecker.baseChannel;
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|
this.contentType = channel.contentType;
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try {
|
|
var httpChannel = channel.QueryInterface(Components.interfaces.nsIHttpChannel);
|
|
var encodedChannel = channel.QueryInterface(Components.interfaces.nsIEncodedChannel);
|
|
this.contentEncodingType = null;
|
|
// There may be content-encodings on the channel. Multiple content
|
|
// encodings are allowed, eg "Content-Encoding: gzip, uuencode". This
|
|
// header would mean that the content was first gzipped and then
|
|
// uuencoded. The encoding enumerator returns MIME types
|
|
// corresponding to each encoding starting from the end, so the first
|
|
// thing it returns corresponds to the outermost encoding.
|
|
var encodingEnumerator = encodedChannel.contentEncodings;
|
|
if (encodingEnumerator && encodingEnumerator.hasMore()) {
|
|
try {
|
|
this.contentEncodingType = encodingEnumerator.getNext();
|
|
} catch (e) {
|
|
}
|
|
}
|
|
this.mContentDisposition = httpChannel.getResponseHeader("content-disposition");
|
|
}
|
|
catch (e) {
|
|
}
|
|
if (!this.contentType || this.contentType == "application/x-unknown-content-type") {
|
|
// We didn't get a type from the server. Fall back on other type detection mechanisms
|
|
throw "Unknown Type";
|
|
}
|
|
}
|
|
else {
|
|
dump("Error saving link aStatus = 0x" + aStatus.toString(16) + "\n");
|
|
var bundle = getStringBundle();
|
|
var errorTitle = bundle.GetStringFromName("saveLinkErrorTitle");
|
|
var errorMsg = bundle.GetStringFromName("saveLinkErrorMsg");
|
|
const promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"].getService(Components.interfaces.nsIPromptService);
|
|
promptService.alert(this.mData.window, errorTitle, errorMsg);
|
|
return;
|
|
}
|
|
}
|
|
catch (e) {
|
|
if (this.mData.document) {
|
|
this.contentType = this.mData.document.contentType;
|
|
} else {
|
|
var type = getMIMETypeForURI(this.uri);
|
|
if (type)
|
|
this.contentType = type;
|
|
}
|
|
}
|
|
this.mCallback(this, this.mData, this.mSkipPrompt);
|
|
},
|
|
|
|
// ------------------------------------------------
|
|
|
|
get promptService()
|
|
{
|
|
var promptSvc;
|
|
try {
|
|
promptSvc = Components.classes["@mozilla.org/embedcomp/prompt-service;1"].getService();
|
|
promptSvc = promptSvc.QueryInterface(Components.interfaces.nsIPromptService);
|
|
}
|
|
catch (e) {}
|
|
return promptSvc;
|
|
},
|
|
|
|
get suggestedFileName()
|
|
{
|
|
var fileName = "";
|
|
|
|
if (this.mContentDisposition) {
|
|
const mhpContractID = "@mozilla.org/network/mime-hdrparam;1"
|
|
const mhpIID = Components.interfaces.nsIMIMEHeaderParam;
|
|
const mhp = Components.classes[mhpContractID].getService(mhpIID);
|
|
var dummy = { value: null }; // To make JS engine happy.
|
|
var charset = getCharsetforSave(null);
|
|
|
|
try {
|
|
fileName = mhp.getParameter(this.mContentDisposition, "filename", charset, true, dummy);
|
|
}
|
|
catch (e) {
|
|
try {
|
|
fileName = mhp.getParameter(this.mContentDisposition, "name", charset, true, dummy);
|
|
}
|
|
catch (e) {
|
|
}
|
|
}
|
|
}
|
|
fileName = fileName.replace(/^"|"$/g, "");
|
|
return fileName;
|
|
}
|
|
};
|
|
|
|
const MODE_COMPLETE = 0;
|
|
const MODE_FILEONLY = 1;
|
|
|
|
function appendFiltersForContentType(aFilePicker, aContentType, aFileExtension, aSaveMode)
|
|
{
|
|
var bundle = getStringBundle();
|
|
|
|
switch (aContentType) {
|
|
case "text/html":
|
|
if (aSaveMode == MODE_COMPLETE)
|
|
aFilePicker.appendFilter(bundle.GetStringFromName("WebPageCompleteFilter"), "*.htm; *.html");
|
|
aFilePicker.appendFilter(bundle.GetStringFromName("WebPageHTMLOnlyFilter"), "*.htm; *.html");
|
|
if (aSaveMode == MODE_COMPLETE)
|
|
aFilePicker.appendFilters(Components.interfaces.nsIFilePicker.filterText);
|
|
break;
|
|
default:
|
|
var mimeInfo = getMIMEInfoForType(aContentType, aFileExtension);
|
|
if (mimeInfo) {
|
|
|
|
var extEnumerator = mimeInfo.getFileExtensions();
|
|
|
|
var extString = "";
|
|
var defaultDesc = "";
|
|
var plural = false;
|
|
while (extEnumerator.hasMore()) {
|
|
if (defaultDesc) {
|
|
defaultDesc += ", ";
|
|
plural = true;
|
|
}
|
|
var extension = extEnumerator.getNext();
|
|
if (extString)
|
|
extString += "; "; // If adding more than one extension,
|
|
// separate by semi-colon
|
|
extString += "*." + extension;
|
|
defaultDesc += extension.toUpperCase();
|
|
}
|
|
|
|
if (extString) {
|
|
var desc = mimeInfo.Description;
|
|
if (!desc) {
|
|
var key = plural ? "unknownDescriptionFilesPluralFilter" :
|
|
"unknownDescriptionFilesFilter";
|
|
desc = getStringBundle().formatStringFromName(key, [defaultDesc], 1);
|
|
}
|
|
aFilePicker.appendFilter(desc, extString);
|
|
} else {
|
|
aFilePicker.appendFilters(Components.interfaces.nsIFilePicker.filterAll);
|
|
}
|
|
}
|
|
else
|
|
aFilePicker.appendFilters(Components.interfaces.nsIFilePicker.filterAll);
|
|
break;
|
|
}
|
|
}
|
|
|
|
function getPostData()
|
|
{
|
|
try {
|
|
var sessionHistory = getWebNavigation().sessionHistory;
|
|
entry = sessionHistory.getEntryAtIndex(sessionHistory.index, false);
|
|
entry = entry.QueryInterface(Components.interfaces.nsISHEntry);
|
|
return entry.postData;
|
|
}
|
|
catch (e) {
|
|
}
|
|
return null;
|
|
}
|
|
|
|
//XXXPch: that that be removed.
|
|
function getStringBundle()
|
|
{
|
|
const bundleURL = "chrome://browser/locale/contentAreaCommands.properties";
|
|
|
|
const sbsContractID = "@mozilla.org/intl/stringbundle;1";
|
|
const sbsIID = Components.interfaces.nsIStringBundleService;
|
|
const sbs = Components.classes[sbsContractID].getService(sbsIID);
|
|
|
|
const lsContractID = "@mozilla.org/intl/nslocaleservice;1";
|
|
const lsIID = Components.interfaces.nsILocaleService;
|
|
const ls = Components.classes[lsContractID].getService(lsIID);
|
|
var appLocale = ls.getApplicationLocale();
|
|
return sbs.createBundle(bundleURL, appLocale);
|
|
}
|
|
|
|
function makeWebBrowserPersist()
|
|
{
|
|
const persistContractID = "@mozilla.org/embedding/browser/nsWebBrowserPersist;1";
|
|
const persistIID = Components.interfaces.nsIWebBrowserPersist;
|
|
return Components.classes[persistContractID].createInstance(persistIID);
|
|
}
|
|
|
|
function makeURL(aURL)
|
|
{
|
|
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
|
|
.getService(Components.interfaces.nsIIOService);
|
|
return ioService.newURI(aURL, null, null);
|
|
}
|
|
|
|
function makeFileURL(aFile)
|
|
{
|
|
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
|
|
.getService(Components.interfaces.nsIIOService);
|
|
return ioService.newFileURI(aFile);
|
|
}
|
|
|
|
function makeFilePicker()
|
|
{
|
|
const fpContractID = "@mozilla.org/filepicker;1";
|
|
const fpIID = Components.interfaces.nsIFilePicker;
|
|
return Components.classes[fpContractID].createInstance(fpIID);
|
|
}
|
|
|
|
function getMIMEService()
|
|
{
|
|
const mimeSvcContractID = "@mozilla.org/mime;1";
|
|
const mimeSvcIID = Components.interfaces.nsIMIMEService;
|
|
const mimeSvc = Components.classes[mimeSvcContractID].getService(mimeSvcIID);
|
|
return mimeSvc;
|
|
}
|
|
|
|
function getMIMETypeForURI(aURI)
|
|
{
|
|
try {
|
|
return getMIMEService().getTypeFromURI(aURI);
|
|
}
|
|
catch (e) {
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function getMIMEInfoForType(aMIMEType, aExtension)
|
|
{
|
|
try {
|
|
return getMIMEService().getFromTypeAndExtension(aMIMEType, aExtension);
|
|
}
|
|
catch (e) {
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function getDefaultFileName(aDefaultFileName, aNameFromHeaders, aDocumentURI, aDocument)
|
|
{
|
|
if (aNameFromHeaders)
|
|
// 1) Use the name suggested by the HTTP headers
|
|
return validateFileName(aNameFromHeaders);
|
|
|
|
try {
|
|
var url = aDocumentURI.QueryInterface(Components.interfaces.nsIURL);
|
|
if (url.fileName != "") {
|
|
// 2) Use the actual file name, if present
|
|
return validateFileName(decodeURIComponent(url.fileName));
|
|
}
|
|
} catch (e) {
|
|
try {
|
|
// the file name might be non ASCII
|
|
// try unescape again with a characterSet
|
|
var textToSubURI = Components.classes["@mozilla.org/intl/texttosuburi;1"]
|
|
.getService(Components.interfaces.nsITextToSubURI);
|
|
var charset = getCharsetforSave(aDocument);
|
|
return validateFileName(textToSubURI.unEscapeURIForUI(charset, url.fileName));
|
|
} catch (e) {
|
|
// This is something like a wyciwyg:, data:, and so forth
|
|
// URI... no usable filename here.
|
|
}
|
|
}
|
|
|
|
if (aDocument) {
|
|
var docTitle = validateFileName(aDocument.title).replace(/^\s+|\s+$/g, "");
|
|
|
|
if (docTitle != "") {
|
|
// 3) Use the document title
|
|
return docTitle;
|
|
}
|
|
}
|
|
|
|
if (aDefaultFileName)
|
|
// 4) Use the caller-provided name, if any
|
|
return validateFileName(aDefaultFileName);
|
|
|
|
// 5) If this is a directory, use the last directory name
|
|
var re = /\/([^\/]+)\/$/;
|
|
var path = aDocumentURI.path.match(re);
|
|
if (path && path.length > 1) {
|
|
return validateFileName(path[1]);
|
|
}
|
|
|
|
try {
|
|
if (aDocumentURI.host)
|
|
// 6) Use the host.
|
|
return aDocumentURI.host;
|
|
} catch (e) {
|
|
// Some files have no information at all, like Javascript generated pages
|
|
}
|
|
try {
|
|
// 7) Use the default file name
|
|
return getStringBundle().GetStringFromName("DefaultSaveFileName");
|
|
} catch (e) {
|
|
//in case localized string cannot be found
|
|
}
|
|
// 8) If all else fails, use "index"
|
|
return "index";
|
|
}
|
|
|
|
function validateFileName(aFileName)
|
|
{
|
|
var re = /[\/]+/g;
|
|
if (navigator.appVersion.indexOf("Windows") != -1) {
|
|
re = /[\\\/\|]+/g;
|
|
aFileName = aFileName.replace(/[\"]+/g, "'");
|
|
aFileName = aFileName.replace(/[\*\:\?]+/g, " ");
|
|
aFileName = aFileName.replace(/[\<]+/g, "(");
|
|
aFileName = aFileName.replace(/[\>]+/g, ")");
|
|
}
|
|
else if (navigator.appVersion.indexOf("Macintosh") != -1)
|
|
re = /[\:\/]+/g;
|
|
|
|
return aFileName.replace(re, "_");
|
|
}
|
|
|
|
function getNormalizedLeafName(aFile, aDefaultExtension)
|
|
{
|
|
if (!aDefaultExtension)
|
|
return aFile;
|
|
|
|
// Fix up the file name we're saving to to include the default extension
|
|
const stdURLContractID = "@mozilla.org/network/standard-url;1";
|
|
const stdURLIID = Components.interfaces.nsIURL;
|
|
var url = Components.classes[stdURLContractID].createInstance(stdURLIID);
|
|
url.filePath = aFile;
|
|
|
|
if (url.fileExtension != aDefaultExtension) {
|
|
return aFile + "." + aDefaultExtension;
|
|
}
|
|
|
|
return aFile;
|
|
}
|
|
|
|
function getDefaultExtension(aFilename, aURI, aContentType)
|
|
{
|
|
if (aContentType == "text/plain" || aContentType == "application/octet-stream" || aURI.scheme == "ftp")
|
|
return ""; // temporary fix for bug 120327
|
|
|
|
// First try the extension from the filename
|
|
const stdURLContractID = "@mozilla.org/network/standard-url;1";
|
|
const stdURLIID = Components.interfaces.nsIURL;
|
|
var url = Components.classes[stdURLContractID].createInstance(stdURLIID);
|
|
url.filePath = aFilename;
|
|
|
|
var ext = url.fileExtension;
|
|
|
|
// This mirrors some code in nsExternalHelperAppService::DoContent
|
|
// Use the filename first and then the URI if that fails
|
|
|
|
var mimeInfo = getMIMEInfoForType(aContentType, ext);
|
|
|
|
if (ext && mimeInfo && mimeInfo.extensionExists(ext)) {
|
|
return ext;
|
|
}
|
|
|
|
// Well, that failed. Now try the extension from the URI
|
|
var urlext;
|
|
try {
|
|
url = aURI.QueryInterface(Components.interfaces.nsIURL);
|
|
urlext = url.fileExtension;
|
|
} catch (e) {
|
|
}
|
|
|
|
if (urlext && mimeInfo && mimeInfo.extensionExists(urlext)) {
|
|
return urlext;
|
|
}
|
|
else {
|
|
try {
|
|
return mimeInfo.primaryExtension;
|
|
}
|
|
catch (e) {
|
|
// Fall back on the extensions in the filename and URI for lack
|
|
// of anything better.
|
|
return ext || urlext;
|
|
}
|
|
}
|
|
}
|
|
|
|
function isDocumentType(aContentType)
|
|
{
|
|
switch (aContentType) {
|
|
case "text/html":
|
|
return true;
|
|
case "text/xml":
|
|
case "application/xhtml+xml":
|
|
case "application/xml":
|
|
return false; // XXX Disables Save As Complete until it works for XML
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function getCharsetforSave(aDocument)
|
|
{
|
|
if (aDocument)
|
|
return aDocument.characterSet;
|
|
|
|
if (document.commandDispatcher.focusedWindow)
|
|
return document.commandDispatcher.focusedWindow.document.characterSet;
|
|
|
|
return window._content.document.characterSet;
|
|
return false;
|
|
}
|
|
|
|
# -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
# ***** BEGIN LICENSE BLOCK *****
|
|
# Version: NPL 1.1/GPL 2.0/LGPL 2.1
|
|
#
|
|
# 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 the Initial Developer are Copyright (C) 1998
|
|
# the Initial Developer. All Rights Reserved.
|
|
#
|
|
# Contributor(s):
|
|
# Ben Goodger <ben@netscape.com> (Save File)
|
|
#
|
|
# 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 NPL, 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 NPL, the GPL or the LGPL.
|
|
#
|
|
# ***** END LICENSE BLOCK *****
|
|
|