зеркало из https://github.com/mozilla/pjs.git
948 строки
32 KiB
JavaScript
948 строки
32 KiB
JavaScript
/* -*- 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 mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Ben Goodger <ben@netscape.com> (Save File)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/**
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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 isContentFrame(aFocusedWindow)
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{
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if (!aFocusedWindow)
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return false;
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return (aFocusedWindow.top == window.content);
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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 getContentFrameURI(aFocusedWindow)
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{
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var contentFrame = isContentFrame(aFocusedWindow) ? aFocusedWindow : window.content;
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return contentFrame.location.href;
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}
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function getContentFrameDocument(aFocusedWindow)
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{
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var contentFrame = isContentFrame(aFocusedWindow) ?
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aFocusedWindow : window.content;
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return contentFrame.document;
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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 sourceDocument = getContentFrameDocument(focusedWindow);
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try {
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return makeURI(sourceDocument.location.href, sourceDocument.characterSet);
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} catch (e) {
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return null;
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}
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}
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function openNewWindowWith(url, sendReferrer)
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{
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urlSecurityCheck(url, 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.documentElement.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 = sendReferrer ? getReferrer(document) : null;
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window.openDialog(getBrowserURL(), "_blank", "chrome,all,dialog=no", url, charsetArg, referrer);
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}
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function openTopBrowserWith(url)
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{
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urlSecurityCheck(url, document);
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var windowMediator = Components.classes["@mozilla.org/appshell/window-mediator;1"].getService(Components.interfaces.nsIWindowMediator);
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var browserWin = windowMediator.getMostRecentWindow("navigator:browser");
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// if there's an existing browser window, open this url in one
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if (browserWin) {
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browserWin.getBrowser().loadURI(url); // Just do a normal load.
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browserWin.content.focus();
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}
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else
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window.openDialog(getBrowserURL(), "_blank", "chrome,all,dialog=no", url, null, null);
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}
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function openNewTabWith(url, sendReferrer, reverseBackgroundPref)
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{
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var browser;
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try {
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// if we're running in a browser window, this should work
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//
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browser = getBrowser();
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} catch (ex if ex instanceof ReferenceError) {
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// must be running somewhere else (eg mailnews message pane); need to
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// find a browser window first
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//
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var windowMediator =
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Components.classes["@mozilla.org/appshell/window-mediator;1"]
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.getService(Components.interfaces.nsIWindowMediator);
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var browserWin = windowMediator.getMostRecentWindow("navigator:browser");
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// if there's no existing browser window, then, as long as
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// we are allowed to, open this url in one and return
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//
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if (!browserWin) {
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urlSecurityCheck(url, document);
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window.openDialog(getBrowserURL(), "_blank", "chrome,all,dialog=no",
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url, null, referrer);
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return;
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}
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// otherwise, get the existing browser object
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//
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browser = browserWin.getBrowser();
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}
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// Get the XUL document that the browser is actually contained in.
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// This is needed if we are trying to load a URL from a non-navigator
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// window such as the JS Console.
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var browserDocument = browser.ownerDocument;
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urlSecurityCheck(url, browserDocument);
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var referrer = sendReferrer ? getReferrer(browserDocument) : null;
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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 = browserDocument.documentElement.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 loadInBackground = false;
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if (pref) {
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loadInBackground = pref.getBoolPref("browser.tabs.loadInBackground");
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if (reverseBackgroundPref)
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loadInBackground = !loadInBackground;
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}
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browser.addTab(url, referrer, originCharset, !loadInBackground);
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}
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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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// - Shift-Click Save Link As
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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 shift-click Save Link As...
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//
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function saveURL(aURL, aFileName, aFilePickerTitleKey, aShouldBypassCache,
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aReferrer)
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{
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internalSave(aURL, null, aFileName, null, null, aShouldBypassCache,
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aFilePickerTitleKey, null, aReferrer);
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}
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// Just like saveURL, but will get some info off the image before
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// calling internalSave
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// Clientelle: (Make sure you don't break any of these)
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// - Context -> Save Image As...
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const imgICache = Components.interfaces.imgICache;
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const nsISupportsCString = Components.interfaces.nsISupportsCString;
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function saveImageURL(aURL, aFileName, aFilePickerTitleKey, aShouldBypassCache,
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aReferrer)
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{
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var contentType = null;
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var contentDisposition = null;
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if (!aShouldBypassCache) {
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try {
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var imageCache = Components.classes["@mozilla.org/image/cache;1"]
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.getService(imgICache);
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var props =
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imageCache.findEntryProperties(makeURI(aURL, getCharsetforSave(null)));
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if (props) {
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contentType = props.get("type", nsISupportsCString);
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contentDisposition = props.get("content-disposition",
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nsISupportsCString);
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}
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} catch (e) {
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// Failure to get type and content-disposition off the image is non-fatal
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}
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}
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internalSave(aURL, null, aFileName, contentDisposition, contentType,
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aShouldBypassCache, aFilePickerTitleKey, null, aReferrer);
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}
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function saveFrameDocument()
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{
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var focusedWindow = document.commandDispatcher.focusedWindow;
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if (isContentFrame(focusedWindow))
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saveDocument(focusedWindow.document);
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}
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function saveDocument(aDocument)
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{
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if (!aDocument) {
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throw "Must have a document when calling saveDocument";
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}
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// We want to use cached data because the document is currently visible.
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var dispHeader = null;
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try {
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dispHeader =
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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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.getDocumentMetadata("content-disposition");
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} catch (ex) {
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// Failure to get a content-disposition is ok
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}
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internalSave(aDocument.location.href, aDocument, null, dispHeader,
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aDocument.contentType, false, null, null);
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}
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const SAVETYPE_COMPLETE_PAGE = 0x00;
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const SAVETYPE_TEXT_ONLY = 0x02;
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/**
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* internalSave: Used when saving a document or URL. This method:
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* - Determines a local target filename to use (unless parameter
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* aChosenData is non-null)
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* - Determines content-type if possible
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* - Prompts the user to confirm the destination filename and save mode
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* (content-type affects this)
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* - Creates a 'Persist' object (which will perform the saving in the
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* background) and then starts it.
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*
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* @param aURL The String representation of the URL of the document being saved
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* @param aDocument The document to be saved
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* @param aDefaultFileName The caller-provided suggested filename if we don't
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* find a better one
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* @param aContentDisposition The caller-provided content-disposition header
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* to use.
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* @param aContentType The caller-provided content-type to use
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* @param aShouldBypassCache If true, the document will always be refetched
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* from the server
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* @param aFilePickerTitleKey Alternate title for the file picker
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* @param aChosenData If non-null this contains an instance of object AutoChosen
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* (see below) which holds pre-determined data so that the user does not
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* need to be prompted for a target filename.
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* @param aReferrer the referrer URI object (not URL string) to use, or null
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if no referrer should be sent.
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*/
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function internalSave(aURL, aDocument, aDefaultFileName, aContentDisposition,
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aContentType, aShouldBypassCache, aFilePickerTitleKey,
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aChosenData, aReferrer)
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{
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// Note: aDocument == null when this code is used by save-link-as...
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var saveMode = GetSaveModeForContentType(aContentType);
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var isDocument = aDocument != null && saveMode != SAVEMODE_FILEONLY;
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var saveAsType = SAVETYPE_COMPLETE_PAGE;
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var file, fileURL;
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// Find the URI object for aURL and the FileName/Extension to use when saving.
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// FileName/Extension will be ignored if aChosenData supplied.
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var fileInfo = new FileInfo(aDefaultFileName);
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if (aChosenData)
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file = aChosenData.file;
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else {
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var charset = null;
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if (aDocument)
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charset = aDocument.characterSet;
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else if (aReferrer)
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charset = aReferrer.originCharset;
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initFileInfo(fileInfo, aURL, charset, aDocument,
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aContentType, aContentDisposition);
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var fpParams = {
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fpTitleKey: aFilePickerTitleKey,
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isDocument: isDocument,
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fileInfo: fileInfo,
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contentType: aContentType,
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saveMode: saveMode,
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saveAsType: saveAsType,
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file: file,
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fileURL: fileURL
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};
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if (!poseFilePicker(fpParams))
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// If the method returned false this is because the user cancelled from
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// the save file picker dialog.
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return;
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saveAsType = fpParams.saveAsType;
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saveMode = fpParams.saveMode;
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file = fpParams.file;
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fileURL = fpParams.fileURL;
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}
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if (!fileURL)
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fileURL = makeFileURI(file);
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// XXX We depend on the following holding true in appendFiltersForContentType():
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// If we should save as a complete page, the saveAsType is SAVETYPE_COMPLETE_PAGE.
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// If we should save as text, the saveAsType is SAVETYPE_TEXT_ONLY.
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var useSaveDocument = isDocument &&
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(((saveMode & SAVEMODE_COMPLETE_DOM) && (saveAsType == SAVETYPE_COMPLETE_PAGE)) ||
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((saveMode & SAVEMODE_COMPLETE_TEXT) && (saveAsType == SAVETYPE_TEXT_ONLY)));
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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 = useSaveDocument ? aDocument : fileInfo.uri;
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var persistArgs = {
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source : source,
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contentType : (!aChosenData && useSaveDocument &&
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saveAsType == SAVETYPE_TEXT_ONLY) ?
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"text/plain" : aContentType,
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target : fileURL,
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postData : isDocument ? getPostData() : null,
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bypassCache : aShouldBypassCache
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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_REPLACE_EXISTING_FILES;
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if (aShouldBypassCache)
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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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// Leave it to WebBrowserPersist to discover the encoding type (or lack thereof):
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persist.persistFlags |= nsIWBP.PERSIST_FLAGS_AUTODETECT_APPLY_CONVERSION;
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// Create download and initiate it (below)
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var tr = Components.classes["@mozilla.org/transfer;1"].createInstance(Components.interfaces.nsITransfer);
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if (useSaveDocument) {
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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.replace(/\.[^.]*$/, "");
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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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else {
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encodingFlags |= nsIWBP.ENCODE_FLAGS_ENCODE_BASIC_ENTITIES;
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}
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const kWrapColumn = 80;
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tr.init((aChosenData ? aChosenData.uri : fileInfo.uri),
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persistArgs.target, "", null, null, null, persist);
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persist.progressListener = tr;
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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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tr.init((aChosenData ? aChosenData.uri : source),
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persistArgs.target, "", null, null, null, persist);
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persist.progressListener = tr;
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persist.saveURI((aChosenData ? aChosenData.uri : source),
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null, aReferrer, persistArgs.postData, null,
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persistArgs.target);
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}
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}
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/**
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* Structure for holding info about automatically supplied parameters for
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* internalSave(...). This allows parameters to be supplied so the user does not
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* need to be prompted for file info.
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* @param aFileAutoChosen This is an nsILocalFile object that has been
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* pre-determined as the filename for the target to save to
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* @param aUriAutoChosen This is the nsIURI object for the target
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*/
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function AutoChosen(aFileAutoChosen, aUriAutoChosen) {
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this.file = aFileAutoChosen;
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this.uri = aUriAutoChosen;
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}
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/**
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* Structure for holding info about a URL and the target filename it should be
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* saved to. This structure is populated by initFileInfo(...).
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* @param aSuggestedFileName This is used by initFileInfo(...) when it
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* cannot 'discover' the filename from the url
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* @param aFileName The target filename
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* @param aFileBaseName The filename without the file extension
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* @param aFileExt The extension of the filename
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* @param aUri An nsIURI object for the url that is being saved
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*/
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function FileInfo(aSuggestedFileName, aFileName, aFileBaseName, aFileExt, aUri) {
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this.suggestedFileName = aSuggestedFileName;
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this.fileName = aFileName;
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this.fileBaseName = aFileBaseName;
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this.fileExt = aFileExt;
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this.uri = aUri;
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}
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/**
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* Determine what the 'default' filename string is, its file extension and the
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* filename without the extension. This filename is used when prompting the user
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* for confirmation in the file picker dialog.
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* @param aFI A FileInfo structure into which we'll put the results of this method.
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* @param aURL The String representation of the URL of the document being saved
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* @param aURLCharset The charset of aURL.
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* @param aDocument The document to be saved
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* @param aContentType The content type we're saving, if it could be
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* determined by the caller.
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* @param aContentDisposition The content-disposition header for the object
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* we're saving, if it could be determined by the caller.
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*/
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function initFileInfo(aFI, aURL, aURLCharset, aDocument,
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aContentType, aContentDisposition)
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{
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try {
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// Get an nsIURI object from aURL if possible:
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try {
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aFI.uri = makeURI(aURL, aURLCharset);
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// Assuming nsiUri is valid, calling QueryInterface(...) on it will
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// populate extra object fields (eg filename and file extension).
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var url = aFI.uri.QueryInterface(Components.interfaces.nsIURL);
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aFI.fileExt = url.fileExtension;
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} catch (e) {
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}
|
|
|
|
// Get the default filename:
|
|
aFI.fileName = getDefaultFileName((aFI.suggestedFileName || aFI.fileName),
|
|
aFI.uri, aDocument, aContentDisposition);
|
|
// If aFI.fileExt is still blank, consider: aFI.suggestedFileName is supplied
|
|
// if saveURL(...) was the original caller (hence both aContentType and
|
|
// aDocument are blank). If they were saving a link to a website then make
|
|
// the extension .htm .
|
|
if (!aFI.fileExt && !aDocument && !aContentType && (/^http(s?):\/\//i.test(aURL))) {
|
|
aFI.fileExt = "htm";
|
|
aFI.fileBaseName = aFI.fileName;
|
|
} else {
|
|
aFI.fileExt = getDefaultExtension(aFI.fileName, aFI.uri, aContentType);
|
|
aFI.fileBaseName = getFileBaseName(aFI.fileName, aFI.fileExt);
|
|
}
|
|
} catch (e) {
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Given the Filepicker Parameters (aFpP), show the file picker dialog,
|
|
* prompting the user to confirm (or change) the fileName.
|
|
* @param aFpP a structure (see definition in internalSave(...) method)
|
|
* containing all the data used within this method.
|
|
* @return true if the user confirmed a filename in the picker; false if they
|
|
* dismissed the picker.
|
|
*/
|
|
function poseFilePicker(aFpP)
|
|
{
|
|
const nsILocalFile = Components.interfaces.nsILocalFile;
|
|
const kDownloadDirPref = "dir";
|
|
|
|
var branch = getPrefsBrowserDownload("browser.download.");
|
|
var dir = null;
|
|
|
|
// Try and pull in download directory pref
|
|
try {
|
|
dir = branch.getComplexValue(kDownloadDirPref, nsILocalFile);
|
|
} catch (e) {
|
|
}
|
|
|
|
var autoDownload = branch.getBoolPref("autoDownload");
|
|
if (autoDownload && dir && dir.exists()) {
|
|
dir.append(getNormalizedLeafName(aFpP.fileInfo.fileName, aFpP.fileInfo.fileExt));
|
|
aFpP.file = uniqueFile(dir);
|
|
return true;
|
|
}
|
|
|
|
// Show the file picker that allows the user to confirm the target filename:
|
|
var fp = makeFilePicker();
|
|
var titleKey = aFpP.fpTitleKey || "SaveLinkTitle";
|
|
var bundle = getStringBundle();
|
|
fp.init(window, bundle.GetStringFromName(titleKey),
|
|
Components.interfaces.nsIFilePicker.modeSave);
|
|
|
|
try {
|
|
if (dir.exists())
|
|
fp.displayDirectory = dir;
|
|
} catch (e) {
|
|
}
|
|
|
|
fp.defaultExtension = aFpP.fileInfo.fileExt;
|
|
fp.defaultString = getNormalizedLeafName(aFpP.fileInfo.fileName,
|
|
aFpP.fileInfo.fileExt);
|
|
appendFiltersForContentType(fp, aFpP.contentType, aFpP.fileInfo.fileExt,
|
|
aFpP.saveMode);
|
|
|
|
if (aFpP.isDocument) {
|
|
try {
|
|
fp.filterIndex = branch.getIntPref("save_converter_index");
|
|
}
|
|
catch (e) {
|
|
}
|
|
}
|
|
|
|
if (fp.show() == Components.interfaces.nsIFilePicker.returnCancel || !fp.file)
|
|
return false;
|
|
|
|
if (aFpP.isDocument)
|
|
branch.setIntPref("save_converter_index", fp.filterIndex);
|
|
|
|
// Now that the user has had a chance to change the directory and/or filename,
|
|
// re-read those values...
|
|
if (branch.getBoolPref("lastLocation") || autoDownload) {
|
|
var directory = fp.file.parent.QueryInterface(nsILocalFile);
|
|
branch.setComplexValue(kDownloadDirPref, nsILocalFile, directory);
|
|
}
|
|
fp.file.leafName = validateFileName(fp.file.leafName);
|
|
|
|
aFpP.saveAsType = fp.filterIndex;
|
|
aFpP.file = fp.file;
|
|
aFpP.fileURL = fp.fileURL;
|
|
return true;
|
|
}
|
|
|
|
// Since we're automatically downloading, we don't get the file picker's
|
|
// logic to check for existing files, so we need to do that here.
|
|
//
|
|
// Note - this code is identical to that in nsHelperAppDlg.js.
|
|
// If you are updating this code, update that code too! We can't share code
|
|
// here since that code is called in a js component.
|
|
|
|
function uniqueFile(aLocalFile)
|
|
{
|
|
while (aLocalFile.exists()) {
|
|
parts = /(-\d+)?(\.[^.]+)?$/.test(aLocalFile.leafName);
|
|
aLocalFile.leafName = RegExp.leftContext + (RegExp.$1 - 1) + RegExp.$2;
|
|
}
|
|
return aLocalFile;
|
|
}
|
|
|
|
// We have no DOM, and can only save the URL as is.
|
|
const SAVEMODE_FILEONLY = 0x00;
|
|
// We have a DOM and can save as complete.
|
|
const SAVEMODE_COMPLETE_DOM = 0x01;
|
|
// We have a DOM which we can serialize as text.
|
|
const SAVEMODE_COMPLETE_TEXT = 0x02;
|
|
|
|
// If we are able to save a complete DOM, the 'save as complete' filter
|
|
// must be the first filter appended. The 'save page only' counterpart
|
|
// must be the second filter appended. And the 'save as complete text'
|
|
// filter must be the third filter appended.
|
|
function appendFiltersForContentType(aFilePicker, aContentType, aFileExtension, aSaveMode)
|
|
{
|
|
var bundle = getStringBundle();
|
|
// The bundle name for saving only a specific content type.
|
|
var bundleName;
|
|
// The corresponding filter string for a specific content type.
|
|
var filterString;
|
|
|
|
// XXX all the cases that are handled explicitly here MUST be handled
|
|
// in GetSaveModeForContentType to return a non-fileonly filter.
|
|
switch (aContentType) {
|
|
case "text/html":
|
|
bundleName = "WebPageHTMLOnlyFilter";
|
|
filterString = "*.htm; *.html";
|
|
break;
|
|
|
|
case "application/xhtml+xml":
|
|
bundleName = "WebPageXHTMLOnlyFilter";
|
|
filterString = "*.xht; *.xhtml";
|
|
break;
|
|
|
|
case "image/svg+xml":
|
|
bundleName = "WebPageSVGOnlyFilter";
|
|
filterString = "*.svg; *.svgz";
|
|
break;
|
|
|
|
case "text/xml":
|
|
case "application/xml":
|
|
bundleName = "WebPageXMLOnlyFilter";
|
|
filterString = "*.xml";
|
|
break;
|
|
|
|
default:
|
|
if (aSaveMode != SAVEMODE_FILEONLY) {
|
|
throw "Invalid save mode for type '" + aContentType + "'";
|
|
}
|
|
|
|
var mimeInfo = getMIMEInfoForType(aContentType, aFileExtension);
|
|
if (mimeInfo) {
|
|
|
|
var extEnumerator = mimeInfo.getFileExtensions();
|
|
|
|
var extString = "";
|
|
while (extEnumerator.hasMore()) {
|
|
var extension = extEnumerator.getNext();
|
|
if (extString)
|
|
extString += "; "; // If adding more than one extension,
|
|
// separate by semi-colon
|
|
extString += "*." + extension;
|
|
}
|
|
|
|
if (extString) {
|
|
aFilePicker.appendFilter(mimeInfo.description, extString);
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
if (aSaveMode & SAVEMODE_COMPLETE_DOM) {
|
|
aFilePicker.appendFilter(bundle.GetStringFromName("WebPageCompleteFilter"), filterString);
|
|
// We should always offer a choice to save document only if
|
|
// we allow saving as complete.
|
|
aFilePicker.appendFilter(bundle.GetStringFromName(bundleName), filterString);
|
|
}
|
|
|
|
if (aSaveMode & SAVEMODE_COMPLETE_TEXT) {
|
|
aFilePicker.appendFilters(Components.interfaces.nsIFilePicker.filterText);
|
|
}
|
|
|
|
// Always append the all files (*) filter
|
|
aFilePicker.appendFilters(Components.interfaces.nsIFilePicker.filterAll);
|
|
}
|
|
|
|
function getPostData()
|
|
{
|
|
try {
|
|
var sessionHistory = getWebNavigation().sessionHistory;
|
|
return sessionHistory.getEntryAtIndex(sessionHistory.index, false)
|
|
.QueryInterface(Components.interfaces.nsISHEntry)
|
|
.postData;
|
|
}
|
|
catch (e) {
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function getStringBundle()
|
|
{
|
|
const bundleURL = "chrome://communicator/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);
|
|
}
|
|
|
|
// Get the preferences branch ("browser.download." for normal 'save' mode)...
|
|
function getPrefsBrowserDownload(branch)
|
|
{
|
|
const prefSvcContractID = "@mozilla.org/preferences-service;1";
|
|
const prefSvcIID = Components.interfaces.nsIPrefService;
|
|
return Components.classes[prefSvcContractID].getService(prefSvcIID).getBranch(branch);
|
|
}
|
|
|
|
function makeWebBrowserPersist()
|
|
{
|
|
const persistContractID = "@mozilla.org/embedding/browser/nsWebBrowserPersist;1";
|
|
const persistIID = Components.interfaces.nsIWebBrowserPersist;
|
|
return Components.classes[persistContractID].createInstance(persistIID);
|
|
}
|
|
|
|
/**
|
|
* Constructs a new URI, using nsIIOService.
|
|
* @param aURL The URI spec.
|
|
* @param aOriginCharset The charset of the URI.
|
|
* @return an nsIURI object based on aURL.
|
|
*/
|
|
function makeURI(aURL, aOriginCharset)
|
|
{
|
|
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
|
|
.getService(Components.interfaces.nsIIOService);
|
|
return ioService.newURI(aURL, aOriginCharset, null);
|
|
}
|
|
|
|
function makeFileURI(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;
|
|
}
|
|
|
|
// Given aFileName, find the fileName without the extension on the end.
|
|
function getFileBaseName(aFileName, aFileExt)
|
|
{
|
|
// Remove the file extension from aFileName:
|
|
return aFileName.replace(/\.[^.]*$/, "");
|
|
}
|
|
|
|
function getMIMETypeForURI(aURI)
|
|
{
|
|
try {
|
|
return getMIMEService().getTypeFromURI(aURI);
|
|
}
|
|
catch (e) {
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function getMIMEInfoForType(aMIMEType, aExtension)
|
|
{
|
|
if (aMIMEType || aExtension) {
|
|
try {
|
|
return getMIMEService().getFromTypeAndExtension(aMIMEType, aExtension);
|
|
}
|
|
catch (e) {
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function getDefaultFileName(aDefaultFileName, aURI, aDocument,
|
|
aContentDisposition)
|
|
{
|
|
// 1) look for a filename in the content-disposition header, if any
|
|
if (aContentDisposition) {
|
|
const mhpContractID = "@mozilla.org/network/mime-hdrparam;1";
|
|
const mhpIID = Components.interfaces.nsIMIMEHeaderParam;
|
|
const mhp = Components.classes[mhpContractID].getService(mhpIID);
|
|
var dummy = { value: null }; // Need an out param...
|
|
var charset = getCharsetforSave(aDocument);
|
|
|
|
var fileName = null;
|
|
try {
|
|
fileName = mhp.getParameter(aContentDisposition, "filename", charset,
|
|
true, dummy);
|
|
}
|
|
catch (e) {
|
|
try {
|
|
fileName = mhp.getParameter(aContentDisposition, "name", charset, true,
|
|
dummy);
|
|
}
|
|
catch (e) {
|
|
}
|
|
}
|
|
if (fileName) {
|
|
return fileName;
|
|
}
|
|
}
|
|
|
|
try {
|
|
var url = aURI.QueryInterface(Components.interfaces.nsIURL);
|
|
if (url.fileName != "") {
|
|
// 2) Use the actual file name, if present
|
|
var textToSubURI = Components.classes["@mozilla.org/intl/texttosuburi;1"]
|
|
.getService(Components.interfaces.nsITextToSubURI);
|
|
return validateFileName(textToSubURI.unEscapeURIForUI(url.originCharset || "UTF-8", url.fileName));
|
|
}
|
|
} catch (e) {
|
|
// This is something like a data: and so forth URI... no filename here.
|
|
}
|
|
|
|
if (aDocument) {
|
|
var docTitle = GenerateValidFilename(aDocument.title, "");
|
|
|
|
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 path = aURI.path.match(/\/([^\/]+)\/$/);
|
|
if (path && path.length > 1) {
|
|
return validateFileName(path[1]);
|
|
}
|
|
|
|
try {
|
|
if (aURI.host)
|
|
// 6) Use the host.
|
|
return aURI.host;
|
|
} catch (e) {
|
|
// Some files have no information at all, like Javascript generated pages
|
|
}
|
|
try {
|
|
// 7) Use the default file name
|
|
return getStringBundle().GetStringFromName("DefaultSaveFileName");
|
|
} catch (e) {
|
|
//in case localized string cannot be found
|
|
}
|
|
// 8) If all else fails, use "index"
|
|
return "index";
|
|
}
|
|
|
|
function getNormalizedLeafName(aFile, aDefaultExtension)
|
|
{
|
|
if (!aDefaultExtension)
|
|
return aFile;
|
|
|
|
// Remove trailing dots and spaces on windows
|
|
if (/Win/.test(navigator.platform))
|
|
aFile = aFile.replace(/[\s.]+$/, "");
|
|
|
|
// Fix up the file name we're saving to to include the default extension
|
|
var i = aFile.lastIndexOf(".");
|
|
if (aFile.substr(i + 1) != 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 {
|
|
if (mimeInfo)
|
|
return mimeInfo.primaryExtension;
|
|
}
|
|
catch (e) {
|
|
}
|
|
// Fall back on the extensions in the filename and URI for lack
|
|
// of anything better.
|
|
return ext || urlext;
|
|
}
|
|
}
|
|
|
|
function GetSaveModeForContentType(aContentType)
|
|
{
|
|
var saveMode = SAVEMODE_FILEONLY;
|
|
switch (aContentType) {
|
|
case "text/html":
|
|
case "application/xhtml+xml":
|
|
case "image/svg+xml":
|
|
saveMode |= SAVEMODE_COMPLETE_TEXT;
|
|
// Fall through
|
|
case "text/xml":
|
|
case "application/xml":
|
|
saveMode |= SAVEMODE_COMPLETE_DOM;
|
|
break;
|
|
}
|
|
|
|
return saveMode;
|
|
}
|
|
|
|
function getCharsetforSave(aDocument)
|
|
{
|
|
if (aDocument)
|
|
return aDocument.characterSet;
|
|
|
|
if (document.commandDispatcher.focusedWindow)
|
|
return document.commandDispatcher.focusedWindow.document.characterSet;
|
|
|
|
return window.content.document.characterSet;
|
|
}
|