gecko-dev/toolkit/content/aboutSupport.js

297 строки
10 KiB
JavaScript

# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is aboutSupport.xhtml.
#
# The Initial Developer of the Original Code is
# Mozilla Foundation
# Portions created by the Initial Developer are Copyright (C) 2009
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Curtis Bartley <cbartley@mozilla.com>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
const Cc = Components.classes;
const Ci = Components.interfaces;
let gPrefService = Cc["@mozilla.org/preferences-service;1"]
.getService(Ci.nsIPrefService)
.QueryInterface(Ci.nsIPrefBranch2);
const ELLIPSIS = gPrefService.getComplexValue("intl.ellipsis",
Ci.nsIPrefLocalizedString).data;
// We use a preferences whitelist to make sure we only show preferences that
// are useful for support and won't compromise the user's privacy. Note that
// entries are *prefixes*: for example, "accessibility." applies to all prefs
// under the "accessibility.*" branch.
const PREFS_WHITELIST = [
"accessibility.",
"browser.fixup.",
"browser.history_expire_",
"browser.link.open_newwindow",
"browser.mousewheel.",
"browser.places.",
"browser.startup.homepage",
"browser.tabs.",
"browser.zoom.",
"dom.",
"extensions.checkCompatibility",
"extensions.lastAppVersion",
"font.",
"general.useragent.",
"gfx.color_management.mode",
"javascript.",
"keyword.",
"layout.css.dpi",
"network.",
"places.",
"print.",
"privacy.",
"security."
];
// The blacklist, unlike the whitelist, is a list of regular expressions.
const PREFS_BLACKLIST = [
/^network[.]proxy[.]/,
/[.]print_to_filename$/,
];
window.onload = function () {
// Get the support URL.
let urlFormatter = Cc["@mozilla.org/toolkit/URLFormatterService;1"]
.getService(Ci.nsIURLFormatter);
let supportUrl = urlFormatter.formatURLPref("app.support.baseURL");
// Update the application basics section.
document.getElementById("application-box").textContent = Application.name;
document.getElementById("version-box").textContent = Application.version;
document.getElementById("supportLink").href = supportUrl;
// Update the other sections.
populatePreferencesSection();
populateExtensionsSection();
}
function populateExtensionsSection() {
Application.getExtensions(function (extensions) {
let all = extensions.all;
let trExtensions = [];
for (let i = 0; i < all.length; i++) {
let extension = all[i];
let tr = createParentElement("tr", [
createElement("td", extension.name),
createElement("td", extension.version),
createElement("td", extension.enabled),
createElement("td", extension.id),
]);
trExtensions.push(tr);
}
appendChildren(document.getElementById("extensions-tbody"), trExtensions);
});
}
function populatePreferencesSection() {
let modifiedPrefs = getModifiedPrefs();
function comparePrefs(pref1, pref2) {
if (pref1.name < pref2.name)
return -1;
if (pref1.name > pref2.name)
return 1;
return 0;
}
let sortedPrefs = modifiedPrefs.sort(comparePrefs);
let trPrefs = [];
sortedPrefs.forEach(function (pref) {
let tdName = createElement("td", pref.name, "pref-name");
let tdValue = createElement("td", formatPrefValue(pref.value), "pref-value");
let tr = createParentElement("tr", [tdName, tdValue]);
trPrefs.push(tr);
});
appendChildren(document.getElementById("prefs-tbody"), trPrefs);
}
function formatPrefValue(prefValue) {
// Some pref values are really long and don't have spaces. This can cause
// problems when copying and pasting into some WYSIWYG editors. In general
// the exact contents of really long pref values aren't particularly useful,
// so we truncate them to some reasonable length.
let maxPrefValueLen = 120;
let text = "" + prefValue;
if (text.length > maxPrefValueLen)
text = text.substring(0, maxPrefValueLen) + ELLIPSIS;
return text;
}
function getModifiedPrefs() {
// We use the low-level prefs API to identify prefs that have been
// modified, rather that Application.prefs.all since the latter is
// much, much slower. Application.prefs.all also gets slower each
// time it's called. See bug 517312.
let prefNames = getWhitelistedPrefNames();
let prefs = [Application.prefs.get(prefName)
for each (prefName in prefNames)
if (gPrefService.prefHasUserValue(prefName)
&& !isBlacklisted(prefName))];
return prefs;
}
function getWhitelistedPrefNames() {
let results = [];
PREFS_WHITELIST.forEach(function (prefStem) {
let prefNames = gPrefService.getChildList(prefStem);
results = results.concat(prefNames);
});
return results;
}
function isBlacklisted(prefName) {
return PREFS_BLACKLIST.some(function (re) re.test(prefName));
}
function createParentElement(tagName, childElems) {
let elem = document.createElement(tagName);
appendChildren(elem, childElems);
return elem;
}
function createElement(tagName, textContent, opt_class) {
let elem = document.createElement(tagName);
elem.textContent = textContent;
elem.className = opt_class || "";
return elem;
}
function appendChildren(parentElem, childNodes) {
for (let i = 0; i < childNodes.length; i++)
parentElem.appendChild(childNodes[i]);
}
function copyContentsToClipboard() {
// Get the HTML and text representations for the important part of the page.
let contentsDiv = document.getElementById("contents");
let dataHtml = contentsDiv.innerHTML;
let dataText = createTextForElement(contentsDiv);
// We can't use plain strings, we have to use nsSupportsString.
let supportsStringClass = Cc["@mozilla.org/supports-string;1"];
let ssHtml = supportsStringClass.createInstance(Ci.nsISupportsString);
let ssText = supportsStringClass.createInstance(Ci.nsISupportsString);
let transferable = Cc["@mozilla.org/widget/transferable;1"]
.createInstance(Ci.nsITransferable);
// Add the HTML flavor.
transferable.addDataFlavor("text/html");
ssHtml.data = dataHtml;
transferable.setTransferData("text/html", ssHtml, dataHtml.length * 2);
// Add the plain text flavor.
transferable.addDataFlavor("text/unicode");
ssText.data = dataText;
transferable.setTransferData("text/unicode", ssText, dataText.length * 2);
// Store the data into the clipboard.
let clipboard = Cc["@mozilla.org/widget/clipboard;1"]
.getService(Ci.nsIClipboard);
clipboard.setData(transferable, null, clipboard.kGlobalClipboard);
}
// Return the plain text representation of an element. Do a little bit
// of pretty-printing to make it human-readable.
function createTextForElement(elem) {
// Generate the initial text.
let textFragmentAccumulator = [];
generateTextForElement(elem, "", textFragmentAccumulator);
let text = textFragmentAccumulator.join("");
// Trim extraneous whitespace before newlines, then squash extraneous
// blank lines.
text = text.replace(/[ \t]+\n/g, "\n");
text = text.replace(/\n\n\n+/g, "\n\n");
// Actual CR/LF pairs are needed for some Windows text editors.
#ifdef XP_WIN
text = text.replace(/\n/g, "\r\n");
#endif
return text;
}
function generateTextForElement(elem, indent, textFragmentAccumulator) {
// Add a little extra spacing around most elements.
if (elem.tagName != "td")
textFragmentAccumulator.push("\n");
// Generate the text representation for each child node.
let node = elem.firstChild;
while (node) {
if (node.nodeType == Node.TEXT_NODE) {
// Text belonging to this element uses its indentation level.
generateTextForTextNode(node, indent, textFragmentAccumulator);
}
else if (node.nodeType == Node.ELEMENT_NODE) {
// Recurse on the child element with an extra level of indentation.
generateTextForElement(node, indent + " ", textFragmentAccumulator);
}
// Advance!
node = node.nextSibling;
}
}
function generateTextForTextNode(node, indent, textFragmentAccumulator) {
// If the text node is the first of a run of text nodes, then start
// a new line and add the initial indentation.
let prevNode = node.previousSibling;
if (!prevNode || prevNode.nodeType == Node.TEXT_NODE)
textFragmentAccumulator.push("\n" + indent);
// Trim the text node's text content and add proper indentation after
// any internal line breaks.
let text = node.textContent.trim().replace("\n", "\n" + indent, "g");
textFragmentAccumulator.push(text);
}
function openProfileDirectory() {
// Get the profile directory.
let propertiesService = Cc["@mozilla.org/file/directory_service;1"]
.getService(Ci.nsIProperties);
let currProfD = propertiesService.get("ProfD", Ci.nsIFile);
let profileDir = currProfD.path;
// Show the profile directory.
let nsLocalFile = Components.Constructor("@mozilla.org/file/local;1",
"nsILocalFile", "initWithPath");
new nsLocalFile(profileDir).reveal();
}