diff options
Diffstat (limited to 'browser/components/pageinfo/pageInfo.js')
| -rw-r--r-- | browser/components/pageinfo/pageInfo.js | 1286 |
1 files changed, 1286 insertions, 0 deletions
diff --git a/browser/components/pageinfo/pageInfo.js b/browser/components/pageinfo/pageInfo.js new file mode 100644 index 000000000..600174ad9 --- /dev/null +++ b/browser/components/pageinfo/pageInfo.js @@ -0,0 +1,1286 @@ +/* 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/. */ + +var Cu = Components.utils; +Cu.import("resource://gre/modules/LoadContextInfo.jsm"); +Cu.import("resource://gre/modules/Services.jsm"); + +//******** define a js object to implement nsITreeView +function pageInfoTreeView(treeid, 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 + this.treeid = treeid; + this.copycol = copycol; + this.rows = 0; + this.tree = null; + this.data = [ ]; + this.selection = null; + this.sortcol = -1; + this.sortdir = false; +} + +pageInfoTreeView.prototype = { + set rowCount(c) { throw "rowCount is a readonly property"; }, + 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. + // colidx cannot be null, but can be larger than the number + // of columns in the array. In this case it's the fault of + // whoever typoed while calling this function. + 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); + if (this.selection.count == 0 && this.rowCount && !gImageElement) + this.selection.select(0); + }, + + rowCountChanged: function(index, count) + { + this.tree.rowCountChanged(index, count); + }, + + invalidate: function() + { + this.tree.invalidate(); + }, + + clear: function() + { + if (this.tree) + this.tree.rowCountChanged(0, -this.rows); + this.rows = 0; + this.data = [ ]; + }, + + 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); + } + }, + + onPageMediaSort : function(columnname) + { + var tree = document.getElementById(this.treeid); + var treecol = tree.columns.getNamedColumn(columnname); + + this.sortdir = + gTreeUtils.sort( + tree, + this, + this.data, + treecol.index, + function textComparator(a, b) { return a.toLowerCase().localeCompare(b.toLowerCase()); }, + this.sortcol, + this.sortdir + ); + + this.sortcol = treecol.index; + }, + + 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() { }, + canDrop: function(index, orientation) { return false; }, + drop: function(row, orientation) { return false; }, + getParentIndex: function(index) { return 0; }, + 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) { }, + cycleHeader: function(col) { }, + 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; +var gImageElement = 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; + +// column number to copy from, second argument to pageInfoTreeView's constructor +const COPYCOL_NONE = -1; +const COPYCOL_META_CONTENT = 1; +const COPYCOL_IMAGE = COL_IMAGE_ADDRESS; + +// one nsITreeView for each tree in the window +var gMetaView = new pageInfoTreeView('metatree', COPYCOL_META_CONTENT); +var gImageView = new pageInfoTreeView('imagetree', COPYCOL_IMAGE); + +gImageView.getCellProperties = function(row, col) { + var data = gImageView.data[row]; + var item = gImageView.data[row][COL_IMAGE_NODE]; + var props = ""; + if (!checkProtocol(data) || + item instanceof HTMLEmbedElement || + (item instanceof HTMLObjectElement && !item.type.startsWith("image/"))) + props += "broken"; + + if (col.element.id == "image-address") + props += " ltr"; + + return props; +}; + +gImageView.getCellText = function(row, column) { + var value = this.data[row][column.index]; + if (column.index == COL_IMAGE_SIZE) { + if (value == -1) { + return gStrings.unknown; + } else { + var kbSize = Number(Math.round(value / 1024 * 100) / 100); + return gBundle.getFormattedString("mediaFileSize", [kbSize]); + } + } + return value || ""; +}; + +gImageView.onPageMediaSort = function(columnname) { + var tree = document.getElementById(this.treeid); + var treecol = tree.columns.getNamedColumn(columnname); + + var comparator; + if (treecol.index == COL_IMAGE_SIZE || treecol.index == COL_IMAGE_COUNT) { + comparator = function numComparator(a, b) { return a - b; }; + } else { + comparator = function textComparator(a, b) { return a.toLowerCase().localeCompare(b.toLowerCase()); }; + } + + this.sortdir = + gTreeUtils.sort( + tree, + this, + this.data, + treecol.index, + comparator, + this.sortcol, + this.sortdir + ); + + this.sortcol = treecol.index; +}; + +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 PERMISSION_CONTRACTID = "@mozilla.org/permissionmanager;1"; +const PREFERENCES_CONTRACTID = "@mozilla.org/preferences-service;1"; +const ATOM_CONTRACTID = "@mozilla.org/atom-service;1"; + +// a number of services I'll need later +// the cache services +const nsICacheStorageService = Components.interfaces.nsICacheStorageService; +const nsICacheStorage = Components.interfaces.nsICacheStorage; +const cacheService = Components.classes["@mozilla.org/netwerk/cache-storage-service;1"].getService(nsICacheStorageService); + +var loadContextInfo = LoadContextInfo.fromLoadContext( + window.QueryInterface(Components.interfaces.nsIInterfaceRequestor) + .getInterface(Components.interfaces.nsIWebNavigation) + .QueryInterface(Components.interfaces.nsILoadContext), false); +var diskStorage = cacheService.diskCacheStorage(loadContextInfo, false); + +const nsICookiePermission = Components.interfaces.nsICookiePermission; +const nsIPermissionManager = Components.interfaces.nsIPermissionManager; + +const nsICertificateDialogs = Components.interfaces.nsICertificateDialogs; +const CERTIFICATEDIALOGS_CONTRACTID = "@mozilla.org/nsCertificateDialogs;1" + +// clipboard helper +function getClipboardHelper() { + try { + return Components.classes["@mozilla.org/widget/clipboardhelper;1"].getService(Components.interfaces.nsIClipboardHelper); + } catch(e) { + // do nothing, later code will handle the error + } +} +const gClipboardHelper = getClipboardHelper(); + +// Interface for image loading content +const nsIImageLoadingContent = Components.interfaces.nsIImageLoadingContent; + +// namespaces, don't need all of these yet... +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, at this time, the list of images of 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 = [ ]; + +// These functions are called once when an image preview is shown. +var onImagePreviewShown = [ ]; + +/* 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"); + gStrings.unknown = gBundle.getString("unknown"); + gStrings.notSet = gBundle.getString("notset"); + gStrings.mediaImg = gBundle.getString("mediaImg"); + gStrings.mediaBGImg = gBundle.getString("mediaBGImg"); + gStrings.mediaBorderImg = gBundle.getString("mediaBorderImg"); + gStrings.mediaListImg = gBundle.getString("mediaListImg"); + gStrings.mediaCursor = gBundle.getString("mediaCursor"); + gStrings.mediaObject = gBundle.getString("mediaObject"); + gStrings.mediaEmbed = gBundle.getString("mediaEmbed"); + gStrings.mediaLink = gBundle.getString("mediaLink"); + gStrings.mediaInput = gBundle.getString("mediaInput"); + gStrings.mediaVideo = gBundle.getString("mediaVideo"); + gStrings.mediaAudio = gBundle.getString("mediaAudio"); + + var args = "arguments" in window && + window.arguments.length >= 1 && + window.arguments[0]; + + if (!args || !args.doc) { + gWindow = window.opener.content; + gDocument = gWindow.document; + } + + // init media view + var imageTree = document.getElementById("imagetree"); + imageTree.view = gImageView; + + /* Select the requested tab, if the name is specified */ + loadTab(args); + Components.classes["@mozilla.org/observer-service;1"] + .getService(Components.interfaces.nsIObserverService) + .notifyObservers(window, "page-info-dialog-loaded", null); + + // Make sure the page info window gets focus even if a doorhanger might + // otherwise (async) steal it. + window.focus(); +} + +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(gDocument.nodePrincipal); + + /* Call registered overlay init functions */ + onLoadRegistry.forEach(function(func) { func(); }); +} + +function resetPageInfo(args) +{ + /* Reset Meta tags part */ + gMetaView.clear(); + + /* Reset Media tab */ + var mediaTab = document.getElementById("mediaTab"); + if (!mediaTab.hidden) { + Components.classes["@mozilla.org/observer-service;1"] + .getService(Components.interfaces.nsIObserverService) + .removeObserver(imagePermissionObserver, "perm-changed"); + mediaTab.hidden = true; + } + gImageView.clear(); + gImageHash = {}; + + /* Reset Feeds Tab */ + var feedListbox = document.getElementById("feedListbox"); + while (feedListbox.firstChild) + feedListbox.removeChild(feedListbox.firstChild); + + /* Call registered overlay reset functions */ + onResetRegistry.forEach(function(func) { func(); }); + + /* Rebuild the data */ + loadTab(args); +} + +function onUnloadPageInfo() +{ + // Remove the observer, only if there is at least 1 image. + if (!document.getElementById("mediaTab").hidden) { + Components.classes["@mozilla.org/observer-service;1"] + .getService(Components.interfaces.nsIObserverService) + .removeObserver(imagePermissionObserver, "perm-changed"); + } + + /* Call registered overlay unload functions */ + onUnloadRegistry.forEach(function(func) { func(); }); +} + +function doHelpButton() +{ + const helpTopics = { + "generalPanel": "pageinfo_general", + "mediaPanel": "pageinfo_media", + "feedPanel": "pageinfo_feed", + "permPanel": "pageinfo_permissions", + "securityPanel": "pageinfo_security" + }; + + var deck = document.getElementById("mainDeck"); + var helpdoc = helpTopics[deck.selectedPanel.id] || "pageinfo_general"; + openHelpLink(helpdoc); +} + +function showTab(id) +{ + var deck = document.getElementById("mainDeck"); + var pagel = document.getElementById(id + "Panel"); + deck.selectedPanel = pagel; +} + +function loadTab(args) +{ + if (args && args.doc) { + gDocument = args.doc; + gWindow = gDocument.defaultView; + } + + gImageElement = args && args.imageElement; + + /* Load the page info */ + loadPageInfo(); + + var initialTab = (args && args.initialTab) || "generalTab"; + var radioGroup = document.getElementById("viewGroup"); + initialTab = document.getElementById(initialTab) || document.getElementById("generalTab"); + radioGroup.selectedItem = initialTab; + radioGroup.selectedItem.doCommand(); + radioGroup.focus(); +} + +function onClickMore() +{ + var radioGrp = document.getElementById("viewGroup"); + var radioElt = document.getElementById("securityTab"); + radioGrp.selectedItem = radioElt; + showTab('security'); +} + +function toggleGroupbox(id) +{ + var elt = document.getElementById(id); + if (elt.hasAttribute("closed")) { + elt.removeAttribute("closed"); + if (elt.flexWhenOpened) + elt.flex = elt.flexWhenOpened; + } + else { + elt.setAttribute("closed", "true"); + if (elt.flex) { + elt.flexWhenOpened = elt.flex; + elt.flex = 0; + } + } +} + +function openCacheEntry(key, cb) +{ + var checkCacheListener = { + onCacheEntryCheck: function(entry, appCache) { + return Components.interfaces.nsICacheEntryOpenCallback.ENTRY_WANTED; + }, + onCacheEntryAvailable: function(entry, isNew, appCache, status) { + cb(entry); + }, + get mainThreadOnly() { return true; } + }; + diskStorage.asyncOpenURI(Services.io.newURI(key, null, null), "", nsICacheStorage.OPEN_READONLY, checkCacheListener); +} + +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 metaGroup = document.getElementById("metaTags"); + if (!length) + metaGroup.collapsed = true; + else { + 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]); + + metaGroup.collapsed = false; + } + + // get the date of last modification + var modifiedText = formatDate(gDocument.lastModified, gStrings.notSet); + document.getElementById("modifiedtext").value = modifiedText; + + // get cache info + var cacheKey = url.replace(/#.*$/, ""); + openCacheEntry(cacheKey, function(cacheEntry) { + var sizeText; + if (cacheEntry) { + var pageSize = cacheEntry.dataSize; + var kbSize = formatNumber(Math.round(pageSize / 1024 * 100) / 100); + sizeText = gBundle.getFormattedString("generalSize", [kbSize, formatNumber(pageSize)]); + } + setItemValue("sizetext", sizeText); + }); + + 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); + gFrameList.shift(); + setTimeout(doGrab, 10, iterator); + onFinished.push(selectImage); + } + 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 addImage(url, type, alt, elem, isBg) +{ + if (!url) + return; + + 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 row = [url, type, -1, alt, 1, elem, isBg]; + gImageView.addRow(row); + + // Fill in cache data asynchronously + openCacheEntry(url, function(cacheEntry) { + // The data at row[2] corresponds to the data size. + if (cacheEntry) { + row[2] = cacheEntry.dataSize; + // Invalidate the row to trigger a repaint. + gImageView.tree.invalidateRow(gImageView.data.indexOf(row)); + } + }); + + // Add the observer, only once. + if (gImageView.data.length == 1) { + document.getElementById("mediaTab").hidden = false; + Components.classes["@mozilla.org/observer-service;1"] + .getService(Components.interfaces.nsIObserverService) + .addObserver(imagePermissionObserver, "perm-changed", false); + } + } + else { + var i = gImageHash[url][type][alt]; + gImageView.data[i][COL_IMAGE_COUNT]++; + if (elem == gImageElement) + gImageView.data[i][COL_IMAGE_NODE] = elem; + } +} + +function grabAll(elem) +{ + // check for images defined in CSS (e.g. background, borders), any node may have multiple + var computedStyle = elem.ownerDocument.defaultView.getComputedStyle(elem, ""); + + if (computedStyle) { + var addImgFunc = function (label, val) { + if (val.primitiveType == CSSPrimitiveValue.CSS_URI) { + addImage(val.getStringValue(), label, gStrings.notSet, elem, true); + } + else if (val.primitiveType == CSSPrimitiveValue.CSS_STRING) { + // This is for -moz-image-rect. + // TODO: Reimplement once bug 714757 is fixed + var strVal = val.getStringValue(); + if (strVal.search(/^.*url\(\"?/) > -1) { + url = strVal.replace(/^.*url\(\"?/,"").replace(/\"?\).*$/,""); + addImage(url, label, gStrings.notSet, elem, true); + } + } + else if (val.cssValueType == CSSValue.CSS_VALUE_LIST) { + // recursively resolve multiple nested CSS value lists + for (var i = 0; i < val.length; i++) + addImgFunc(label, val.item(i)); + } + }; + + addImgFunc(gStrings.mediaBGImg, computedStyle.getPropertyCSSValue("background-image")); + addImgFunc(gStrings.mediaBorderImg, computedStyle.getPropertyCSSValue("border-image-source")); + addImgFunc(gStrings.mediaListImg, computedStyle.getPropertyCSSValue("list-style-image")); + addImgFunc(gStrings.mediaCursor, computedStyle.getPropertyCSSValue("cursor")); + } + + // one swi^H^H^Hif-else to rule them all + if (elem instanceof HTMLImageElement) + addImage(elem.src, gStrings.mediaImg, + (elem.hasAttribute("alt")) ? elem.alt : gStrings.notSet, elem, false); + else if (elem instanceof SVGImageElement) { + try { + // Note: makeURLAbsolute will throw if either the baseURI is not a valid URI + // or the URI formed from the baseURI and the URL is not a valid URI + var href = makeURLAbsolute(elem.baseURI, elem.href.baseVal); + addImage(href, gStrings.mediaImg, "", elem, false); + } catch (e) { } + } + 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 && /\bicon\b/i.test(elem.rel)) + addImage(elem.href, gStrings.mediaLink, "", elem, false); + } + else if (elem instanceof HTMLInputElement || elem instanceof HTMLButtonElement) { + if (elem.type.toLowerCase() == "image") + addImage(elem.src, gStrings.mediaInput, + (elem.hasAttribute("alt")) ? elem.alt : gStrings.notSet, elem, false); + } + 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); + + onProcessElement.forEach(function(func) { func(elem); }); + + return NodeFilter.FILTER_ACCEPT; +} + +//******** Link Stuff +function openURL(target) +{ + var url = target.parentNode.childNodes[2].value; + window.open(url, "_blank", "chrome"); +} + +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 dt = event.dataTransfer; + dt.setData("text/x-moz-url", url + "\n" + desc); + dt.setData("text/url-list", url); + dt.setData("text/plain", url); +} + +//******** Image Stuff +function getSelectedRows(tree) +{ + 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); + } + + return rowArray; +} + +function getSelectedRow(tree) +{ + var rows = getSelectedRows(tree); + return (rows.length == 1) ? rows[0] : -1; +} + +function selectSaveFolder(aCallback) +{ + const nsILocalFile = Components.interfaces.nsILocalFile; + const nsIFilePicker = Components.interfaces.nsIFilePicker; + let titleText = gBundle.getString("mediaSelectFolder"); + let fp = Components.classes["@mozilla.org/filepicker;1"]. + createInstance(nsIFilePicker); + let fpCallback = function fpCallback_done(aResult) { + if (aResult == nsIFilePicker.returnOK) { + aCallback(fp.file.QueryInterface(nsILocalFile)); + } else { + aCallback(null); + } + }; + + fp.init(window, titleText, nsIFilePicker.modeGetFolder); + fp.appendFilters(nsIFilePicker.filterAll); + try { + let prefs = Components.classes[PREFERENCES_CONTRACTID]. + getService(Components.interfaces.nsIPrefBranch); + let initialDir = prefs.getComplexValue("browser.download.dir", nsILocalFile); + if (initialDir) { + fp.displayDirectory = initialDir; + } + } catch (ex) { + } + fp.open(fpCallback); +} + +function saveMedia() +{ + var tree = document.getElementById("imagetree"); + var rowArray = getSelectedRows(tree); + if (rowArray.length == 1) { + var row = rowArray[0]; + var item = gImageView.data[row][COL_IMAGE_NODE]; + var url = gImageView.data[row][COL_IMAGE_ADDRESS]; + + if (url) { + var titleKey = "SaveImageTitle"; + + if (item instanceof HTMLVideoElement) + titleKey = "SaveVideoTitle"; + else if (item instanceof HTMLAudioElement) + titleKey = "SaveAudioTitle"; + + saveURL(url, null, titleKey, false, false, makeURI(item.baseURI), gDocument); + } + } else { + selectSaveFolder(function(aDirectory) { + if (aDirectory) { + 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 = aDirectory.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() +{ + var permissionManager = Components.classes[PERMISSION_CONTRACTID] + .getService(nsIPermissionManager); + + var checkbox = document.getElementById("blockImage"); + var uri = makeURI(document.getElementById("imageurltext").value); + if (checkbox.checked) + permissionManager.add(uri, "image", nsIPermissionManager.DENY_ACTION); + else + permissionManager.remove(uri, "image"); +} + +function onImageSelect() +{ + var previewBox = document.getElementById("mediaPreviewBox"); + var mediaSaveBox = document.getElementById("mediaSaveBox"); + 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; + splitter.collapsed = true; + tree.flex = 1; + } + else if (count > 1) { + splitter.collapsed = true; + previewBox.collapsed = true; + mediaSaveBox.collapsed = false; + tree.flex = 1; + } + else { + mediaSaveBox.collapsed = true; + splitter.collapsed = false; + previewBox.collapsed = false; + tree.flex = 0; + makePreview(getSelectedRows(tree)[0]); + } +} + +function makePreview(row) +{ + var imageTree = document.getElementById("imagetree"); + var item = gImageView.data[row][COL_IMAGE_NODE]; + var url = gImageView.data[row][COL_IMAGE_ADDRESS]; + var isBG = gImageView.data[row][COL_IMAGE_BG]; + var isAudio = false; + + setItemValue("imageurltext", url); + + var imageText; + if (!isBG && + !(item instanceof SVGImageElement) && + !(gDocument instanceof ImageDocument)) { + imageText = item.title || item.alt; + + if (!imageText && !(item instanceof HTMLImageElement)) + imageText = getValueText(item); + } + setItemValue("imagetext", imageText); + + setItemValue("imagelongdesctext", item.longDesc); + + // get cache info + var cacheKey = url.replace(/#.*$/, ""); + openCacheEntry(cacheKey, function(cacheEntry) { + // find out the file size + var sizeText; + if (cacheEntry) { + var imageSize = cacheEntry.dataSize; + var kbSize = Math.round(imageSize / 1024 * 100) / 100; + sizeText = gBundle.getFormattedString("generalSize", + [formatNumber(kbSize), formatNumber(imageSize)]); + } + else + sizeText = gBundle.getString("mediaUnknownNotCached"); + setItemValue("imagesizetext", sizeText); + + var mimeType; + var numFrames = 1; + if (item instanceof HTMLObjectElement || + item instanceof HTMLEmbedElement || + item instanceof HTMLLinkElement) + mimeType = item.type; + + if (!mimeType && !isBG && item instanceof nsIImageLoadingContent) { + var imageRequest = item.getRequest(nsIImageLoadingContent.CURRENT_REQUEST); + if (imageRequest) { + mimeType = imageRequest.mimeType; + var image = imageRequest.image; + if (image) + numFrames = image.numFrames; + } + } + + if (!mimeType) + mimeType = getContentTypeFromHeaders(cacheEntry); + + // if we have a data url, get the MIME type from the url + if (!mimeType && url.startsWith("data:")) { + let 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\/(.*)/i.exec(mimeType); + if (imageMimeType) { + imageType = imageMimeType[1].toUpperCase(); + if (numFrames > 1) + imageType = gBundle.getFormattedString("mediaAnimatedImageType", + [imageType, numFrames]); + else + imageType = gBundle.getFormattedString("mediaImageType", [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"); + + var isProtocolAllowed = checkProtocol(gImageView.data[row]); + + 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 && mimeType && mimeType.startsWith("image/")) || isBG) && isProtocolAllowed) { + newImage.setAttribute("src", url); + physWidth = newImage.width || 0; + physHeight = newImage.height || 0; + + // "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. + if (!isBG) { + 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; + } + + if (item instanceof SVGImageElement) { + newImage.width = item.width.baseVal.value; + newImage.height = item.height.baseVal.value; + } + + 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; + isAudio = true; + + document.getElementById("theimagecontainer").collapsed = false; + document.getElementById("brokenimagecontainer").collapsed = true; + } + else { + // fallback image for protocols not allowed (e.g., 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) { + if (width != physWidth || height != physHeight) { + imageSize = gBundle.getFormattedString("mediaDimensionsScaled", + [formatNumber(physWidth), + formatNumber(physHeight), + formatNumber(width), + formatNumber(height)]); + } + else { + imageSize = gBundle.getFormattedString("mediaDimensions", + [formatNumber(width), + formatNumber(height)]); + } + } + setItemValue("imagedimensiontext", imageSize); + + makeBlockImage(url); + + imageContainer.removeChild(oldImage); + imageContainer.appendChild(newImage); + + onImagePreviewShown.forEach(function(func) { func(); }); + }); +} + +function makeBlockImage(url) +{ + var permissionManager = Components.classes[PERMISSION_CONTRACTID] + .getService(nsIPermissionManager); + var prefs = Components.classes[PREFERENCES_CONTRACTID] + .getService(Components.interfaces.nsIPrefBranch); + + var checkbox = document.getElementById("blockImage"); + var imagePref = 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 = permissionManager.testPermission(uri, "image"); + checkbox.checked = perm == nsIPermissionManager.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 = getSelectedRow(imageTree); + 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*(?:\;|$)/mi + .exec(cacheEntryDescriptor.getMetaDataElement("response-head")))[1]; +} + +//******** Other Misc Stuff +// Modified from the Links Panel v2.3, http://segment7.net/mozilla/links/links.html +// parse a node to extract the contents of the node +function getValueText(node) +{ + var valueText = ""; + + // form input elements don't generally contain information that is useful to our callers, so return nothing + if (node instanceof HTMLInputElement || + node instanceof HTMLSelectElement || + node instanceof HTMLTextAreaElement) + return valueText; + + // otherwise recurse for each child + var length = node.childNodes.length; + for (var i = 0; i < length; i++) { + var childNode = node.childNodes[i]; + var nodeType = childNode.nodeType; + + // text nodes are where the goods are + if (nodeType == Node.TEXT_NODE) + valueText += " " + childNode.nodeValue; + // and elements can have more text inside them + else if (nodeType == Node.ELEMENT_NODE) { + // images are special, we want to capture the alt text as if the image weren't there + if (childNode instanceof HTMLImageElement) + valueText += " " + getAltText(childNode); + else + valueText += " " + getValueText(childNode); + } + } + + return stripWS(valueText); +} + +// Copied from the Links Panel v2.3, http://segment7.net/mozilla/links/links.html +// traverse the tree in search of an img or area element and grab its alt tag +function getAltText(node) +{ + var altText = ""; + + if (node.alt) + return node.alt; + var length = node.childNodes.length; + for (var i = 0; i < length; i++) + if ((altText = getAltText(node.childNodes[i]) != undefined)) // stupid js warning... + return altText; + return ""; +} + +// Copied from the Links Panel v2.3, http://segment7.net/mozilla/links/links.html +// strip leading and trailing whitespace, and replace multiple consecutive whitespace characters with a single space +function stripWS(text) +{ + var middleRE = /\s+/g; + var endRE = /(^\s+)|(\s+$)/g; + + text = text.replace(middleRE, " "); + return text.replace(endRE, ""); +} + +function setItemValue(id, value) +{ + var item = document.getElementById(id); + if (value) { + item.parentNode.collapsed = false; + item.value = value; + } + else + item.parentNode.collapsed = true; +} + +function formatNumber(number) +{ + return (+number).toLocaleString(); // coerce number to a numeric value before calling toLocaleString() +} + +function formatDate(datestr, unknown) +{ + // scriptable date formatter, for pretty printing dates + var dateService = Components.classes["@mozilla.org/intl/scriptabledateformat;1"] + .getService(Components.interfaces.nsIScriptableDateFormat); + + var date = new Date(datestr); + if (!date.valueOf()) + return unknown; + + return dateService.FormatDateTime("", dateService.dateFormatLong, + dateService.timeFormatSeconds, + date.getFullYear(), date.getMonth()+1, date.getDate(), + date.getHours(), date.getMinutes(), date.getSeconds()); +} + +function doCopy() +{ + if (!gClipboardHelper) + return; + + var elem = document.commandDispatcher.focusedElement; + + if (elem && "treeBoxObject" in elem) { + 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) + text.push(tmp); + elem.removeAttribute("copybuffer"); + } + } + gClipboardHelper.copyString(text.join("\n"), document); + } +} + +function doSelectAll() +{ + var elem = document.commandDispatcher.focusedElement; + + if (elem && "treeBoxObject" in elem) + elem.view.selection.selectAll(); +} + +function selectImage() +{ + if (!gImageElement) + return; + + var tree = document.getElementById("imagetree"); + for (var i = 0; i < tree.view.rowCount; i++) { + if (gImageElement == gImageView.data[i][COL_IMAGE_NODE] && + !gImageView.data[i][COL_IMAGE_BG]) { + tree.view.selection.select(i); + tree.treeBoxObject.ensureRowIsVisible(i); + tree.focus(); + return; + } + } +} + +function checkProtocol(img) +{ + var url = img[COL_IMAGE_ADDRESS]; + return /^data:image\//i.test(url) || + /^(https?|ftp|file|about|chrome|resource):/.test(url); +} |