releases-comm-central/suite/browser/pageinfo/pageInfo.js

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43 KiB
JavaScript

/* -*- Mode: Javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
//******** define a js object to implement nsITreeView
function pageInfoTreeView(copycol)
{
/* copycol is the index number for the column that we want to add to
* the copy-n-paste buffer when the user hits accel-c.
* Older pageInfo extensions might call pageInfoTreeView with copycol
* as the second argument of two.
*/
this.copycol = arguments.length == 2 ? arguments[1] : copycol;
this.rows = 0;
this.tree = null;
this.data = [ ];
this.selection = null;
this.sortcol = -1;
this.sortdir = false;
}
pageInfoTreeView.prototype = {
get rowCount() { return this.rows; },
setTree: function(tree)
{
this.tree = tree;
},
getCellText: function(row, column)
{
// row can be null, but js arrays are 0-indexed.
return this.data[row][column.index] || "";
},
setCellValue: function(row, column, value)
{
},
setCellText: function(row, column, value)
{
this.data[row][column.index] = value;
},
addRow: function(row)
{
this.rows = this.data.push(row);
this.rowCountChanged(this.rows - 1, 1);
},
rowCountChanged: function(index, count)
{
this.tree.rowCountChanged(index, count);
},
invalidate: function()
{
this.tree.invalidate();
},
clear: function()
{
var oldrows = this.rows;
this.rows = 0;
this.data = [];
if (this.tree)
this.tree.rowCountChanged(0, -oldrows);
},
handleCopy: function(row)
{
return (row < 0 || this.copycol < 0) ? "" : (this.data[row][this.copycol] || "");
},
performActionOnRow: function(action, row)
{
if (action == "copy") {
var data = this.handleCopy(row)
this.tree.treeBody.parentNode.setAttribute("copybuffer", data);
}
},
cycleHeader: function cycleHeader(col)
{
this.doSort(col);
},
doSort: function doSort(col, comparator)
{
var ascending = col.index != this.sortcol || !this.sortdir;
this.sortdir = ascending;
this.sortcol = col.index;
Array.from(this.tree.columns).forEach(function(treecol) {
treecol.element.removeAttribute("sortActive");
treecol.element.removeAttribute("sortDirection");
});
col.element.setAttribute("sortActive", true);
col.element.setAttribute("sortDirection", ascending ?
"ascending" : "descending");
var index = col.index;
if (!comparator) {
comparator = function comparator(a, b) {
return a[index].toLowerCase().localeCompare(b[index].toLowerCase());
};
}
this.data.sort(comparator);
if (!ascending)
this.data.reverse();
this.tree.invalidate();
// Note: we need to deselect before reselecting in order to trigger
// onselect handlers.
this.tree.view.selection.clearSelection();
this.tree.view.selection.select(0);
this.tree.ensureRowIsVisible(0);
},
getRowProperties: function(row) { return ""; },
getCellProperties: function(row, column) { return ""; },
getColumnProperties: function(column) { return ""; },
isContainer: function(index) { return false; },
isContainerOpen: function(index) { return false; },
isSeparator: function(index) { return false; },
isSorted: function() { return this.sortcol > -1 },
canDrop: function(index, orientation) { return false; },
drop: function(row, orientation) { return false; },
getParentIndex: function(index) { return -1; },
hasNextSibling: function(index, after) { return false; },
getLevel: function(index) { return 0; },
getImageSrc: function(row, column) { },
getProgressMode: function(row, column) { },
getCellValue: function(row, column) { },
toggleOpenState: function(index) { },
selectionChanged: function() { },
cycleCell: function(row, column) { },
isEditable: function(row, column) { return false; },
isSelectable: function(row, column) { return false; },
performAction: function(action) { },
performActionOnCell: function(action, row, column) { }
};
// mmm, yummy. global variables.
var gWindow = null;
var gDocument = null;
// column number to help using the data array
const COL_IMAGE_ADDRESS = 0;
const COL_IMAGE_TYPE = 1;
const COL_IMAGE_SIZE = 2;
const COL_IMAGE_ALT = 3;
const COL_IMAGE_COUNT = 4;
const COL_IMAGE_NODE = 5;
const COL_IMAGE_BG = 6;
const COL_IMAGE_SIZENUM = 7;
const COL_IMAGE_PERSIST = 8;
const COL_IMAGE_MIME = 9;
// column number to copy from, second argument to pageInfoTreeView's constructor
const COPYCOL_NONE = -1;
const COPYCOL_META_CONTENT = 1;
const COPYCOL_FORM_ACTION = 2;
const COPYCOL_FIELD_VALUE = 3;
const COPYCOL_LINK_ADDRESS = 1;
const COPYCOL_IMAGE = COL_IMAGE_ADDRESS;
// one nsITreeView for each tree in the window
var gMetaView = new pageInfoTreeView(COPYCOL_META_CONTENT);
var gFormView = new pageInfoTreeView(COPYCOL_FORM_ACTION);
var gFieldView = new pageInfoTreeView(COPYCOL_FIELD_VALUE);
var gLinkView = new pageInfoTreeView(COPYCOL_LINK_ADDRESS);
var gImageView = new pageInfoTreeView(COPYCOL_IMAGE);
gImageView.getCellProperties = function(row, col) {
var properties = col.id == "image-address" ? "ltr" : "";
if (gImageView.data[row][COL_IMAGE_SIZE] == gStrings.unknown &&
!/^https:/.test(gImageView.data[row][COL_IMAGE_ADDRESS]))
properties += " broken";
return properties;
};
gFormView.getCellProperties = function(row, col) {
return col.id == "form-action" ? "ltr" : "";
};
gLinkView.getCellProperties = function(row, col) {
return col.id == "link-address" ? "ltr" : "";
};
gImageView.cycleHeader = function(col)
{
var index = col.index;
var comparator;
switch (col.index) {
case COL_IMAGE_SIZE:
index = COL_IMAGE_SIZENUM;
case COL_IMAGE_COUNT:
comparator = function numComparator(a, b) { return a[index] - b[index]; };
break;
}
this.doSort(col, comparator);
};
var gImageHash = { };
// localized strings (will be filled in when the document is loaded)
// this isn't all of them, these are just the ones that would otherwise have been loaded inside a loop
var gStrings = { };
var gBundle;
const DRAGSERVICE_CONTRACTID = "@mozilla.org/widget/dragservice;1";
const TRANSFERABLE_CONTRACTID = "@mozilla.org/widget/transferable;1";
const STRING_CONTRACTID = "@mozilla.org/supports-string;1";
// a number of services I'll need later
// the cache services
const OPEN_READONLY = Components.interfaces.nsICacheStorage.OPEN_READONLY;
const ENTRY_WANTED = Components.interfaces.nsICacheEntryOpenCallback.ENTRY_WANTED;
const LoadContextInfo = Components.classes["@mozilla.org/load-context-info-factory;1"]
.getService(Components.interfaces.nsILoadContextInfoFactory);
var loadContextInfo = opener.gPrivate ? LoadContextInfo.private :
LoadContextInfo.default;
const diskCacheStorage =
Components.classes["@mozilla.org/netwerk/cache-storage-service;1"]
.getService(Components.interfaces.nsICacheStorageService)
.diskCacheStorage(loadContextInfo, false);
const nsICertificateDialogs = Components.interfaces.nsICertificateDialogs;
const CERTIFICATEDIALOGS_CONTRACTID = "@mozilla.org/nsCertificateDialogs;1"
// Interface for image loading content
const nsIImageLoadingContent = Components.interfaces.nsIImageLoadingContent;
// namespaces, don't need all of these yet...
const MathMLNS = "http://www.w3.org/1998/Math/MathML";
const XLinkNS = "http://www.w3.org/1999/xlink";
const XULNS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
const XMLNS = "http://www.w3.org/XML/1998/namespace";
const XHTMLNS = "http://www.w3.org/1999/xhtml";
const XHTML2NS = "http://www.w3.org/2002/06/xhtml2"
const XHTMLNSre = "^http\:\/\/www\.w3\.org\/1999\/xhtml$";
const XHTML2NSre = "^http\:\/\/www\.w3\.org\/2002\/06\/xhtml2$";
const XHTMLre = RegExp(XHTMLNSre + "|" + XHTML2NSre, "");
/* Overlays register functions here.
* These arrays are used to hold callbacks that Page Info will call at
* various stages. Use them by simply appending a function to them.
* For example, add a function to onLoadRegistry by invoking
* "onLoadRegistry.push(XXXLoadFunc);"
* The XXXLoadFunc should be unique to the overlay module, and will be
* invoked as "XXXLoadFunc();"
*/
// These functions are called to build the data displayed in the Page
// Info window. The global variables gDocument and gWindow are set.
var onLoadRegistry = [ ];
// These functions are called to remove old data still displayed in
// the window when the document whose information is displayed
// changes. For example, the list of images in the Media tab
// is cleared.
var onResetRegistry = [ ];
// These are called once for each subframe of the target document and
// the target document itself. The frame is passed as an argument.
var onProcessFrame = [ ];
// These functions are called once for each element (in all subframes, if any)
// in the target document. The element is passed as an argument.
var onProcessElement = [ ];
// These functions are called once when all the elements in all of the target
// document (and all of its subframes, if any) have been processed
var onFinished = [ ];
// These functions are called once when the Page Info window is closed.
var onUnloadRegistry = [ ];
/* Called when PageInfo window is loaded. Arguments are:
* window.arguments[0] - (optional) an object consisting of
* - doc: (optional) document to use for source. if not provided,
* the calling window's document will be used
* - initialTab: (optional) id of the inital tab to display
*/
function onLoadPageInfo()
{
gBundle = document.getElementById("pageinfobundle");
var strNames = ["unknown", "notSet", "mediaImg", "mediaBGImg",
"mediaObject", "mediaEmbed", "mediaLink", "mediaInput",
"mediaVideo", "mediaAudio",
"formTitle", "formUntitled", "formDefaultTarget",
"formChecked", "formUnchecked", "formPassword", "linkAnchor",
"linkArea", "linkSubmission", "linkSubmit", "linkRel",
"linkStylesheet", "linkRev", "linkX", "linkScript",
"linkScriptInline", "yes"];
strNames.forEach(function(n) { gStrings[n] = gBundle.getString(n); });
var args = "arguments" in window &&
window.arguments.length >= 1 &&
window.arguments[0];
if (args && args.doc) {
gDocument = args.doc;
gWindow = gDocument.defaultView;
}
else {
if ("gBrowser" in window.opener)
gWindow = window.opener.gBrowser.contentWindow;
else
gWindow = window.opener.frames[0];
gDocument = gWindow.document;
}
// init views
function initView(treeid, view)
{
document.getElementById(treeid).view = view;
}
initView("imagetree", gImageView);
initView("formtree", gFormView);
initView("formpreview", gFieldView);
initView("linktree", gLinkView);
initPermission();
// build the content
loadPageInfo();
/* Select the requested tab, if the name is specified */
var initialTab = (args && args.initialTab) || "generalTab";
showTab(initialTab);
Services.obs.notifyObservers(window, "page-info-dialog-loaded", null);
}
function loadPageInfo()
{
var titleFormat = gWindow != gWindow.top ? "pageInfo.frame.title"
: "pageInfo.page.title";
document.title = gBundle.getFormattedString(titleFormat, [gDocument.location]);
document.getElementById("main-window").setAttribute("relatedUrl", gDocument.location);
// do the easy stuff first
makeGeneralTab();
// and then the hard stuff
makeTabs(gDocument, gWindow);
initFeedTab();
onLoadPermission();
/* Call registered overlay init functions */
onLoadRegistry.forEach(function(func) { func(); });
}
function resetPageInfo(args)
{
/* Reset Media tab */
// Remove the observer, only if there is at least 1 image.
if (gImageView.data.length != 0) {
Services.obs.removeObserver(imagePermissionObserver, "perm-changed");
}
/* Reset tree views */
gMetaView.clear();
gFormView.clear();
gFieldView.clear();
gLinkView.clear();
gImageView.clear();
gImageHash = {};
/* Reset Feeds Tab */
var feedListbox = document.getElementById("feedListbox");
while (feedListbox.hasChildNodes())
feedListbox.lastChild.remove();
/* Call registered overlay reset functions */
onResetRegistry.forEach(function(func) { func(); });
if (args && args.doc) {
gDocument = args.doc;
gWindow = gDocument.defaultView;
}
/* Rebuild the data */
loadPageInfo();
if (args && args.initialTab)
showTab(args.initialTab);
Services.obs.notifyObservers(window, "page-info-dialog-reset", null);
}
function onUnloadPageInfo()
{
// Remove the observer, only if there is at least 1 image.
if (gImageView.data.length != 0) {
Services.obs.removeObserver(imagePermissionObserver, "perm-changed");
}
/* Call registered overlay unload functions */
onUnloadRegistry.forEach(function(func) { func(); });
}
function doHelpButton()
{
const helpTopics = {
"generalTab": "pageinfo_general",
"mediaTab": "pageinfo_media",
// "feedTab": "pageinfo_feed",
// "permTab": "pageinfo_permissions",
"formsTab": "pageinfo_forms",
"linksTab": "pageinfo_links",
"securityTab": "pageinfo_security"
};
var tabbox = document.getElementById("tabbox");
var helpdoc = helpTopics[tabbox.selectedTab.id] || "nav-page-info";
openHelp(helpdoc, "chrome://communicator/locale/help/suitehelp.rdf");
}
function showTab(id)
{
var tabbox = document.getElementById("tabbox");
var selectedTab = document.getElementById(id) ||
document.getElementById(id + "Tab") || // Firefox compatibility sillyness
document.getElementById("generalTab");
tabbox.selectedTab = selectedTab;
selectedTab.focus();
}
function onClickMore()
{
showTab("securityTab");
}
var cacheListener = {
onCacheEntryAvailable: function onCacheEntryAvailable(descriptor) {
if (descriptor) {
var pageSize = descriptor.dataSize;
var kbSize = Math.round(pageSize / 1024 * 100) / 100;
var sizeText = gBundle.getFormattedString("generalSize",
[formatNumber(kbSize),
formatNumber(pageSize)]);
setItemValue("sizetext", sizeText);
}
},
onCacheEntryCheck: function onCacheEntryCheck() {
return ENTRY_WANTED;
}
};
function makeGeneralTab()
{
var title = (gDocument.title) ? gBundle.getFormattedString("pageTitle", [gDocument.title]) : gBundle.getString("noPageTitle");
document.getElementById("titletext").value = title;
var url = gDocument.location.toString();
setItemValue("urltext", url);
var referrer = ("referrer" in gDocument && gDocument.referrer);
setItemValue("refertext", referrer);
var mode = ("compatMode" in gDocument && gDocument.compatMode == "BackCompat") ? "generalQuirksMode" : "generalStrictMode";
document.getElementById("modetext").value = gBundle.getString(mode);
// find out the mime type
var mimeType = gDocument.contentType;
setItemValue("typetext", mimeType);
// get the document characterset
var encoding = gDocument.characterSet;
document.getElementById("encodingtext").value = encoding;
// get the meta tags
var metaNodes = gDocument.getElementsByTagName("meta");
var length = metaNodes.length;
var metaTagsCaption = document.getElementById("metaTagsCaption");
if (length == 1)
metaTagsCaption.label = gBundle.getString("generalMetaTag");
else
metaTagsCaption.label = gBundle.getFormattedString("generalMetaTags", [length]);
var metaTree = document.getElementById("metatree");
metaTree.view = gMetaView;
for (var i = 0; i < length; i++)
gMetaView.addRow([metaNodes[i].name || metaNodes[i].httpEquiv, metaNodes[i].content]);
// get the date of last modification
var modifiedText = formatDate(gDocument.lastModified, gStrings.notSet);
document.getElementById("modifiedtext").value = modifiedText;
// get cache info
setItemValue("sizetext", null);
var cacheKey = url.replace(/#.*$/, "");
try {
diskCacheStorage.asyncOpenURI(Services.io.newURI(cacheKey),
null, OPEN_READONLY, cacheListener);
}
catch(ex) { }
securityOnLoad();
}
//******** Generic Build-a-tab
// Assumes the views are empty. Only called once to build the tabs, and
// does so by farming the task off to another thread via setTimeout().
// The actual work is done with a TreeWalker that calls doGrab() once for
// each element node in the document.
var gFrameList = [ ];
function makeTabs(aDocument, aWindow)
{
goThroughFrames(aDocument, aWindow);
processFrames();
}
function goThroughFrames(aDocument, aWindow)
{
gFrameList.push(aDocument);
if (aWindow && aWindow.frames.length > 0) {
var num = aWindow.frames.length;
for (var i = 0; i < num; i++)
goThroughFrames(aWindow.frames[i].document, aWindow.frames[i]); // recurse through the frames
}
}
function processFrames()
{
if (gFrameList.length) {
var doc = gFrameList[0];
onProcessFrame.forEach(function(func) { func(doc); });
var iterator = doc.createTreeWalker(doc, NodeFilter.SHOW_ELEMENT, grabAll, true);
gFrameList.shift();
setTimeout(doGrab, 10, iterator);
}
else
onFinished.forEach(function(func) { func(); });
}
function doGrab(iterator)
{
for (var i = 0; i < 500; ++i)
if (!iterator.nextNode()) {
processFrames();
return;
}
setTimeout(doGrab, 10, iterator);
}
function ensureSelection(view)
{
// only select something if nothing is currently selected
// and if there's anything to select
if (view.selection && view.selection.count == 0 && view.rowCount)
view.selection.select(0);
}
function imgCacheListener(url, type, alt, elem, isBg)
{
this.url = url;
this.type = type;
this.alt = alt;
this.elem = elem;
this.isBg = isBg;
}
imgCacheListener.prototype.onCacheEntryAvailable =
function onCacheEntryAvailable(cacheEntryDescriptor) {
var url = this.url;
var type = this.type;
var alt = this.alt;
var elem = this.elem;
var isBg = this.isBg;
if (!gImageHash.hasOwnProperty(url))
gImageHash[url] = { };
if (!gImageHash[url].hasOwnProperty(type))
gImageHash[url][type] = { };
if (!gImageHash[url][type].hasOwnProperty(alt)) {
gImageHash[url][type][alt] = gImageView.data.length;
var sizeText;
var pageSize;
var persistent;
var mimeType;
if (cacheEntryDescriptor) {
mimeType = getContentTypeFromHeaders(cacheEntryDescriptor);
persistent = cacheEntryDescriptor.persistent;
pageSize = cacheEntryDescriptor.dataSize;
var kbSize = Math.round(pageSize / 1024 * 100) / 100;
sizeText = gBundle.getFormattedString("mediaFileSize", [formatNumber(kbSize)]);
}
else
sizeText = gStrings.unknown;
gImageView.addRow([url, type, sizeText, alt, 1, elem, isBg, pageSize, persistent, mimeType]);
// Add the observer, only once.
if (gImageView.data.length == 1) {
Services.obs.addObserver(imagePermissionObserver, "perm-changed", false);
}
}
else {
var i = gImageHash[url][type][alt];
gImageView.data[i][COL_IMAGE_COUNT]++;
}
};
imgCacheListener.prototype.onCacheEntryCheck =
function onCacheEntryCheck() {
return ENTRY_WANTED;
};
function addImage(url, type, alt, elem, isBg)
{
if (url) try {
var listener = new imgCacheListener(url, type, alt, elem, isBg);
diskCacheStorage.asyncOpenURI(Services.io.newURI(url),
null, OPEN_READONLY, listener);
}
catch (ex) { }
}
function grabAll(elem)
{
// check for background images, any node may have multiple
var computedStyle = elem.ownerDocument.defaultView.getComputedStyle(elem, "");
if (computedStyle) {
Array.from(computedStyle.getPropertyCSSValue("background-image")).forEach(function (url) {
if (url.primitiveType == CSSPrimitiveValue.CSS_URI)
addImage(url.getStringValue(), gStrings.mediaBGImg, gStrings.notSet, elem, true);
});
}
// one swi^H^H^Hif-else to rule them all
if (elem instanceof HTMLAnchorElement)
gLinkView.addRow([getValueText(elem), elem.href, gStrings.linkAnchor, elem.target, elem.accessKey]);
else if (elem instanceof HTMLImageElement)
addImage(elem.src, gStrings.mediaImg,
(elem.hasAttribute("alt")) ? elem.alt : gStrings.notSet, elem, false);
else if (elem instanceof HTMLAreaElement)
gLinkView.addRow([elem.alt, elem.href, gStrings.linkArea, elem.target, ""]);
else if (elem instanceof HTMLVideoElement)
addImage(elem.currentSrc, gStrings.mediaVideo, "", elem, false);
else if (elem instanceof HTMLAudioElement)
addImage(elem.currentSrc, gStrings.mediaAudio, "", elem, false);
else if (elem instanceof HTMLLinkElement)
{
if (elem.rel)
{
var rel = elem.rel;
if (/(?:^|\s)icon(?:\s|$)/i.test(rel))
addImage(elem.href, gStrings.mediaLink, "", elem, false);
else if (/(?:^|\s)stylesheet(?:\s|$)/i.test(rel))
gLinkView.addRow([elem.rel, elem.href, gStrings.linkStylesheet, elem.target, ""]);
else
gLinkView.addRow([elem.rel, elem.href, gStrings.linkRel, elem.target, ""]);
}
else
gLinkView.addRow([elem.rev, elem.href, gStrings.linkRev, elem.target, ""]);
}
else if (elem instanceof HTMLInputElement || elem instanceof HTMLButtonElement)
{
switch (elem.type.toLowerCase())
{
case "image":
addImage(elem.src, gStrings.mediaInput, (elem.hasAttribute("alt")) ? elem.alt : gStrings.notSet, elem, false);
// Fall through, <input type="image"> submits, too
case "submit":
if ("form" in elem && elem.form)
{
gLinkView.addRow([elem.value || getValueText(elem) || gStrings.linkSubmit,
elem.form.action, gStrings.linkSubmission, elem.form.target, ""]);
}
else
gLinkView.addRow([elem.value || getValueText(elem) || gStrings.linkSubmit, "",
gStrings.linkSubmission, "", ""]);
}
}
else if (elem instanceof HTMLFormElement)
gFormView.addRow([elem.name, elem.method, elem.action, elem]);
else if (elem instanceof HTMLObjectElement)
addImage(elem.data, gStrings.mediaObject, getValueText(elem), elem, false);
else if (elem instanceof HTMLEmbedElement)
addImage(elem.src, gStrings.mediaEmbed, "", elem, false);
else if (elem.namespaceURI == MathMLNS && elem.hasAttribute("href"))
{
url = elem.getAttribute("href");
try {
url = makeURLAbsolute(elem.baseURI, url, elem.ownerDocument.characterSet);
} catch (e) {}
gLinkView.addRow([getValueText(elem), url, gStrings.linkX, "", ""]);
}
else if (elem.hasAttributeNS(XLinkNS, "href"))
{
url = elem.getAttributeNS(XLinkNS, "href");
try {
url = makeURLAbsolute(elem.baseURI, url, elem.ownerDocument.characterSet);
} catch (e) {}
// SVG images without an xlink:href attribute are ignored
if (elem instanceof SVGImageElement)
addImage(url, gStrings.mediaImg, "", elem, false);
else
gLinkView.addRow([getValueText(elem), url, gStrings.linkX, "", ""]);
}
else if (elem instanceof HTMLScriptElement)
gLinkView.addRow([elem.type || elem.getAttribute("language") || gStrings.notSet,
elem.src || gStrings.linkScriptInline,
gStrings.linkScript, "", "", ""]);
onProcessElement.forEach(function(func) { func(elem); });
return NodeFilter.FILTER_ACCEPT;
}
//******** Form Stuff
function onFormSelect()
{
var formTree = document.getElementById("formtree");
if (gFormView.selection.count == 1)
{
var formPreview = document.getElementById("formpreview");
gFieldView.clear();
formPreview.view = gFieldView;
var clickedRow = gFormView.selection.currentIndex;
// form-node;
var form = gFormView.data[clickedRow][3];
var ft = null;
if (form.name)
ft = gBundle.getFormattedString("formTitle", [form.name]);
setItemValue("formenctype", form.encoding, gBundle.getString("default"));
setItemValue("formtarget", form.target, gBundle.getString("formDefaultTarget"));
document.getElementById("formname").value = ft || gBundle.getString("formUntitled");
var formfields = form.elements;
var length = formfields.length;
var checked = gBundle.getString("formChecked");
var unchecked = gBundle.getString("formUnchecked");
for (var i = 0; i < length; i++)
{
var elem = formfields[i], val;
if (elem instanceof HTMLButtonElement)
val = getValueText(elem);
else
val = (/^password$/i.test(elem.type)) ? gBundle.getString("formPassword") : elem.value;
gFieldView.addRow(["", elem.name, elem.type, val]);
}
var labels = form.getElementsByTagName("label");
var llength = labels.length;
var label;
for (i = 0; i < llength; i++)
{
label = labels[i];
var whatfor = label.hasAttribute("for") ?
gDocument.getElementById(label.getAttribute("for")) :
findFirstControl(label);
if (whatfor && (whatfor.form == form))
{
var labeltext = getValueText(label);
for (var j = 0; j < length; j++)
if (formfields[j] == whatfor) {
var col = formPreview.columns["field-label"];
gFieldView.setCellText(j, col, labeltext);
}
}
}
}
}
function FormControlFilter(node)
{
if (node instanceof HTMLInputElement || node instanceof HTMLSelectElement ||
node instanceof HTMLButtonElement || node instanceof HTMLTextAreaElement ||
node instanceof HTMLObjectElement)
return NodeFilter.FILTER_ACCEPT;
return NodeFilter.FILTER_SKIP;
}
function findFirstControl(node)
{
var iterator = gDocument.createTreeWalker(node, NodeFilter.SHOW_ELEMENT, FormControlFilter, true);
return iterator.nextNode();
}
//******** Link Stuff
function openURL(target)
{
var url = target.parentNode.childNodes[2].value;
openNewTabWith(url, gDocument);
}
function onBeginLinkDrag(event,urlField,descField)
{
if (event.originalTarget.localName != "treechildren")
return;
var tree = event.target;
if (!("treeBoxObject" in tree))
tree = tree.parentNode;
var row = tree.treeBoxObject.getRowAt(event.clientX, event.clientY);
if (row == -1)
return;
// Adding URL flavor
var col = tree.columns[urlField];
var url = tree.view.getCellText(row, col);
col = tree.columns[descField];
var desc = tree.view.getCellText(row, col);
var dataTransfer = event.dataTransfer;
dataTransfer.setData("text/x-moz-url", url + "\n" + desc);
dataTransfer.setData("text/url-list", url);
dataTransfer.setData("text/plain", url);
}
//******** Image Stuff
function getSelectedImage(tree)
{
if (!gImageView.rowCount)
return null;
// Only works if only one item is selected
var clickedRow = tree.currentIndex;
// image-node
return gImageView.data[clickedRow][COL_IMAGE_NODE];
}
function selectSaveFolder()
{
const nsIFile = Components.interfaces.nsIFile;
const nsIFilePicker = Components.interfaces.nsIFilePicker;
var fp = Components.classes["@mozilla.org/filepicker;1"]
.createInstance(nsIFilePicker);
var titleText = gBundle.getString("mediaSelectFolder");
fp.init(window, titleText, nsIFilePicker.modeGetFolder);
var initialDir = GetLocalFilePref("browser.download.lastDir");
if (!initialDir) {
let dnldMgr = Components.classes["@mozilla.org/download-manager;1"]
.getService(Components.interfaces.nsIDownloadManager);
initialDir = dnldMgr.userDownloadsDirectory;
}
fp.displayDirectory = initialDir;
fp.appendFilters(nsIFilePicker.filterAll);
var ret = fp.show();
if (ret == nsIFilePicker.returnOK)
return fp.file.QueryInterface(nsIFile);
return null;
}
function saveMedia()
{
var tree = document.getElementById("imagetree");
var count = tree.view.selection.count;
if (count == 1) {
var item = getSelectedImage(tree);
var url = gImageView.data[tree.currentIndex][COL_IMAGE_ADDRESS];
if (url) {
let titleKey = "SaveImageTitle";
if (item instanceof HTMLVideoElement)
titleKey = "SaveVideoTitle";
else if (item instanceof HTMLAudioElement)
titleKey = "SaveAudioTitle";
saveURL(url, null, titleKey, false, true, makeURI(item.baseURI),
gDocument);
}
}
else {
var odir = selectSaveFolder();
var start = { };
var end = { };
var numRanges = tree.view.selection.getRangeCount();
var rowArray = [ ];
for (var t = 0; t < numRanges; t++) {
tree.view.selection.getRangeAt(t, start, end);
for (var v = start.value; v <= end.value; v++)
rowArray.push(v);
}
var saveAnImage = function(aURIString, aChosenData, aBaseURI) {
internalSave(aURIString, null, null, null, null, false, "SaveImageTitle",
aChosenData, aBaseURI, gDocument);
}
for (var i = 0; i < rowArray.length; i++) {
var v = rowArray[i];
var dir = odir.clone();
var item = gImageView.data[v][COL_IMAGE_NODE];
var uriString = gImageView.data[v][COL_IMAGE_ADDRESS];
var uri = makeURI(uriString);
try {
uri.QueryInterface(Components.interfaces.nsIURL);
dir.append(decodeURIComponent(uri.fileName));
}
catch(ex) { /* data: uris */ }
if (i == 0)
saveAnImage(uriString, new AutoChosen(dir, uri), makeURI(item.baseURI));
else {
// This delay is a hack which prevents the download manager
// from opening many times. See bug 377339.
setTimeout(saveAnImage, 200, uriString, new AutoChosen(dir, uri),
makeURI(item.baseURI));
}
}
}
}
function onBlockImage(aChecked)
{
var uri = makeURI(document.getElementById("imageurltext").value);
if (aChecked)
Services.perms.add(uri, "image", Services.perms.DENY_ACTION);
else
Services.perms.remove(uri, "image");
}
function onImageSelect()
{
var previewBox = document.getElementById("mediaPreviewBox");
var mediaSaveBox = document.getElementById("mediaSaveBox");
var mediaSaveButton = document.getElementById("imagesaveasbutton");
var splitter = document.getElementById("mediaSplitter");
var tree = document.getElementById("imagetree");
var count = tree.view.selection.count;
if (count == 0)
{
previewBox.collapsed = true;
mediaSaveBox.collapsed = true;
mediaSaveButton.disabled = true;
splitter.collapsed = true;
tree.flex = 1;
}
else if (count > 1)
{
previewBox.collapsed = true;
mediaSaveBox.collapsed = false;
mediaSaveButton.disabled = false;
splitter.collapsed = true;
tree.flex = 1;
}
else
{
previewBox.collapsed = false;
mediaSaveBox.collapsed = true;
mediaSaveButton.disabled = false;
splitter.collapsed = false;
tree.flex = 0;
makePreview(tree.view.selection.currentIndex);
}
}
function makePreview(row)
{
var [url, type, sizeText, alt, count, item, isBG, pageSize, persistent, cachedType] = gImageView.data[row];
var isAudio = false;
setItemValue("imageurltext", url);
if (item.hasAttribute("title") &&
!(item instanceof SVGImageElement))
setItemValue("imagetitletext", item.title);
else
setItemValue("imagetitletext", null);
if (item.hasAttribute("longDesc") &&
!(item instanceof SVGImageElement))
setItemValue("imagelongdesctext", item.longDesc);
else
setItemValue("imagelongdesctext", null);
if (item instanceof SVGImageElement)
setItemValue("imagealttext", null);
else if (item.hasAttribute("alt"))
setItemValue("imagealttext", item.alt);
else if (item instanceof HTMLImageElement || isBG)
setItemValue("imagealttext", null);
else
setItemValue("imagealttext", getValueText(item));
// get cache info
var sourceText;
switch (persistent) {
case true:
sourceText = gBundle.getString("generalDiskCache");
break;
case false:
sourceText = gBundle.getString("generalMemoryCache");
break;
default:
sourceText = gBundle.getString("generalNotCached");
break;
}
setItemValue("imagesourcetext", sourceText);
// find out the file size
if (pageSize) {
var kbSize = Math.round(pageSize / 1024 * 100) / 100;
sizeText = gBundle.getFormattedString("generalSize",
[formatNumber(kbSize),
formatNumber(pageSize)]);
}
setItemValue("imagesizetext", sizeText);
var mimeType;
var typeString = "mediaImageType";
if (!isBG) {
if (item instanceof nsIImageLoadingContent) {
var imageRequest = item.getRequest(nsIImageLoadingContent.CURRENT_REQUEST);
if (imageRequest) {
mimeType = imageRequest.mimeType;
if (imageRequest.imageStatus & imageRequest.STATUS_DECODE_COMPLETE &&
imageRequest.image.animated)
typeString = "mediaAnimatedType";
}
}
if (!mimeType &&
(item instanceof HTMLObjectElement ||
item instanceof HTMLEmbedElement ||
item instanceof HTMLLinkElement))
mimeType = item.type;
}
if (!mimeType)
mimeType = cachedType;
// if we have a data url, get the MIME type from the url
if (!mimeType) {
var dataMimeType = /^data:(image\/.*?)[;,]/i.exec(url);
if (dataMimeType)
mimeType = dataMimeType[1].toLowerCase();
}
var imageType;
if (mimeType) {
// We found the type, try to display it nicely
let imageMimeType = /^image\/(.*)/.exec(mimeType);
if (imageMimeType) {
imageType = imageMimeType[1].toUpperCase();
imageType = gBundle.getFormattedString(typeString, [imageType]);
}
else {
// the MIME type doesn't begin with image/, display the raw type
imageType = mimeType;
}
}
else {
// We couldn't find the type, fall back to the value in the treeview
imageType = gImageView.data[row][COL_IMAGE_TYPE];
}
setItemValue("imagetypetext", imageType);
var imageContainer = document.getElementById("theimagecontainer");
var oldImage = document.getElementById("thepreviewimage");
const regex = /^(https?|ftp|file|about|chrome|resource):/;
var isProtocolAllowed = regex.test(url);
var isImageType = /^image\//.test(mimeType);
if (/^data:/.test(url) && isImageType)
isProtocolAllowed = true;
var newImage = new Image;
newImage.id = "thepreviewimage";
var physWidth = 0, physHeight = 0;
var width = 0, height = 0;
if ((item instanceof HTMLLinkElement ||
item instanceof HTMLInputElement ||
item instanceof HTMLImageElement ||
item instanceof SVGImageElement ||
(item instanceof HTMLObjectElement && isImageType) ||
(item instanceof HTMLEmbedElement && isImageType) ||
isBG) && isProtocolAllowed) {
newImage.setAttribute("src", url);
physWidth = newImage.width || 0;
physHeight = newImage.height || 0;
if (item instanceof SVGImageElement) {
newImage.width = item.width.baseVal.value;
newImage.height = item.height.baseVal.value;
}
else if (!isBG) {
// "width" and "height" attributes must be set to newImage,
// even if there is no "width" or "height attribute in item;
// otherwise, the preview image cannot be displayed correctly.
newImage.width = ("width" in item && item.width) || newImage.naturalWidth;
newImage.height = ("height" in item && item.height) || newImage.naturalHeight;
}
else {
// the Width and Height of an HTML tag should not be used for its background image
// (for example, "table" can have "width" or "height" attributes)
newImage.width = newImage.naturalWidth;
newImage.height = newImage.naturalHeight;
}
width = newImage.width;
height = newImage.height;
document.getElementById("theimagecontainer").collapsed = false
document.getElementById("brokenimagecontainer").collapsed = true;
}
else if (item instanceof HTMLVideoElement && isProtocolAllowed) {
newImage = document.createElementNS("http://www.w3.org/1999/xhtml", "video");
newImage.id = "thepreviewimage";
newImage.src = url;
newImage.controls = true;
width = physWidth = item.videoWidth;
height = physHeight = item.videoHeight;
document.getElementById("theimagecontainer").collapsed = false
document.getElementById("brokenimagecontainer").collapsed = true;
}
else if (item instanceof HTMLAudioElement && isProtocolAllowed) {
newImage = new Audio;
newImage.id = "thepreviewimage";
newImage.src = url;
newImage.controls = true;
newImage.preload = "metadata";
isAudio = true;
document.getElementById("theimagecontainer").collapsed = false
document.getElementById("brokenimagecontainer").collapsed = true;
}
else {
// fallback image for protocols not allowed (e.g., data: or javascript:)
// or elements not [yet] handled (e.g., object, embed).
document.getElementById("brokenimagecontainer").collapsed = false;
document.getElementById("theimagecontainer").collapsed = true;
}
var imageSize = "";
if (url && !isAudio)
imageSize = gBundle.getFormattedString("mediaSize",
[formatNumber(width),
formatNumber(height)]);
setItemValue("imageSize", imageSize);
var physSize = "";
if (width != physWidth || height != physHeight)
physSize = gBundle.getFormattedString("mediaSize",
[formatNumber(physWidth),
formatNumber(physHeight)]);
setItemValue("physSize", physSize);
makeBlockImage(url);
oldImage.remove();
imageContainer.appendChild(newImage);
}
function makeBlockImage(url)
{
var checkbox = document.getElementById("blockImage");
var imagePref = Services.prefs.getIntPref("permissions.default.image");
if (!(/^https?:/.test(url)) || imagePref == 2)
// We can't block the images from this host because either is is not
// for http(s) or we don't load images at all
checkbox.hidden = true;
else {
var uri = makeURI(url);
if (uri.host) {
checkbox.hidden = false;
checkbox.label = gBundle.getFormattedString("mediaBlockImage", [uri.host]);
var perm = Services.perms.testPermission(uri, "image");
checkbox.checked = perm == Services.perms.DENY_ACTION;
}
else
checkbox.hidden = true;
}
}
var imagePermissionObserver = {
observe: function (aSubject, aTopic, aData)
{
if (document.getElementById("mediaPreviewBox").collapsed)
return;
if (aTopic == "perm-changed") {
var permission = aSubject.QueryInterface(Components.interfaces.nsIPermission);
if (permission.type == "image") {
var imageTree = document.getElementById("imagetree");
var row = imageTree.currentIndex;
var item = gImageView.data[row][COL_IMAGE_NODE];
var url = gImageView.data[row][COL_IMAGE_ADDRESS];
if (permission.matchesURI(makeURI(url), true))
makeBlockImage(url);
}
}
}
}
function getContentTypeFromHeaders(cacheEntryDescriptor)
{
if (!cacheEntryDescriptor)
return null;
return (/^Content-Type:\s*(.*?)\s*(?:\;|$)/mi
.exec(cacheEntryDescriptor.getMetaDataElement("response-head")))[1];
}
//******** Other Misc Stuff
// Modified from the Links Panel v2.3, http://segment7.net/mozilla/links/links.html
// parse a node to extract the contents of the node
function getValueText(node)
{
var valueText = "";
// form input elements don't generally contain information that is useful to our callers, so return nothing
if (node instanceof HTMLInputElement ||
node instanceof HTMLSelectElement ||
node instanceof HTMLTextAreaElement)
return valueText;
// otherwise recurse for each child
var length = node.childNodes.length;
for (var i = 0; i < length; i++) {
var childNode = node.childNodes[i];
var nodeType = childNode.nodeType;
// text nodes are where the goods are
if (nodeType == Node.TEXT_NODE)
valueText += " " + childNode.nodeValue;
// and elements can have more text inside them
else if (nodeType == Node.ELEMENT_NODE) {
// images are special, we want to capture the alt text as if the image weren't there
if (childNode instanceof HTMLImageElement)
valueText += " " + getAltText(childNode);
else
valueText += " " + getValueText(childNode);
}
}
return stripWS(valueText);
}
// Copied from the Links Panel v2.3, http://segment7.net/mozilla/links/links.html
// traverse the tree in search of an img or area element and grab its alt tag
function getAltText(node)
{
var altText = "";
if (node.alt)
return node.alt;
var length = node.childNodes.length;
for (var i = 0; i < length; i++)
if ((altText = getAltText(node.childNodes[i]) != undefined)) // stupid js warning...
return altText;
return "";
}
// strip leading and trailing whitespace, and replace multiple consecutive whitespace characters with a single space
function stripWS(text)
{
return text.trim().replace(/\s+/g, " ");
}
function setItemValue(id, value)
{
var item = document.getElementById(id);
if (value) {
item.disabled = false;
item.value = value;
}
else
{
item.value = gStrings.notSet;
item.disabled = true;
}
}
function formatNumber(number)
{
return (+number).toLocaleString(); // coerce number to a numeric value before calling toLocaleString()
}
function formatDate(datestr, unknown)
{
var date = new Date(datestr);
if (!date.valueOf())
return unknown;
const dateTimeFormatter = Services.intl.createDateTimeFormat(undefined, {
dateStyle: "full", timeStyle: "long"});
return dateTimeFormatter.format(date);
}
function getSelectedItems(linksMode)
{
// linksMode is a boolean that is used to determine
// whether the getSelectedItems() function needs to
// run with urlSecurityCheck() or not.
var elem = document.commandDispatcher.focusedElement;
var view = elem.view;
var selection = view.selection;
var text = [], tmp = '';
var min = {}, max = {};
var count = selection.getRangeCount();
for (var i = 0; i < count; i++) {
selection.getRangeAt(i, min, max);
for (var row = min.value; row <= max.value; row++) {
view.performActionOnRow("copy", row);
tmp = elem.getAttribute("copybuffer");
if (tmp)
{
try {
if (linksMode)
urlSecurityCheck(tmp, gDocument.nodePrincipal);
text.push(tmp);
}
catch (e) {
}
}
elem.removeAttribute("copybuffer");
}
}
return text;
}
function doCopy(isLinkMode)
{
var text = getSelectedItems(isLinkMode);
Components.classes["@mozilla.org/widget/clipboardhelper;1"]
.getService(Components.interfaces.nsIClipboardHelper)
.copyString(text.join("\n"));
}
function doSelectAll()
{
var elem = document.commandDispatcher.focusedElement;
if (elem && "treeBoxObject" in elem)
elem.view.selection.selectAll();
}
function onOpenIn(mode)
{
var linkList = getSelectedItems(true);
if (linkList.length)
openUILinkArrayIn(linkList, mode);
}