1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/components/viewsource/content/viewSource.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,719 @@
1.4 +// -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 +
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +Components.utils.import("resource://gre/modules/Services.jsm");
1.11 +Components.utils.import("resource://gre/modules/CharsetMenu.jsm");
1.12 +
1.13 +const Cc = Components.classes;
1.14 +const Ci = Components.interfaces;
1.15 +
1.16 +var gLastLineFound = '';
1.17 +var gGoToLine = 0;
1.18 +
1.19 +[
1.20 + ["gBrowser", "content"],
1.21 + ["gViewSourceBundle", "viewSourceBundle"],
1.22 + ["gContextMenu", "viewSourceContextMenu"]
1.23 +].forEach(function ([name, id]) {
1.24 + window.__defineGetter__(name, function () {
1.25 + var element = document.getElementById(id);
1.26 + if (!element)
1.27 + return null;
1.28 + delete window[name];
1.29 + return window[name] = element;
1.30 + });
1.31 +});
1.32 +
1.33 +// viewZoomOverlay.js uses this
1.34 +function getBrowser() {
1.35 + return gBrowser;
1.36 +}
1.37 +
1.38 +this.__defineGetter__("gPageLoader", function () {
1.39 + var webnav = getWebNavigation();
1.40 + if (!webnav)
1.41 + return null;
1.42 + delete this.gPageLoader;
1.43 + return this.gPageLoader = webnav.QueryInterface(Ci.nsIWebPageDescriptor);
1.44 +});
1.45 +
1.46 +var gSelectionListener = {
1.47 + timeout: 0,
1.48 + attached: false,
1.49 + notifySelectionChanged: function(doc, sel, reason)
1.50 + {
1.51 + // Coalesce notifications within 100ms intervals.
1.52 + if (!this.timeout)
1.53 + this.timeout = setTimeout(updateStatusBar, 100);
1.54 + }
1.55 +}
1.56 +
1.57 +function onLoadViewSource()
1.58 +{
1.59 + viewSource(window.arguments[0]);
1.60 + document.commandDispatcher.focusedWindow = content;
1.61 + gBrowser.droppedLinkHandler = function (event, url, name) {
1.62 + viewSource(url)
1.63 + event.preventDefault();
1.64 + }
1.65 +
1.66 + if (!isHistoryEnabled()) {
1.67 + // Disable the BACK and FORWARD commands and hide the related menu items.
1.68 + var viewSourceNavigation = document.getElementById("viewSourceNavigation");
1.69 + viewSourceNavigation.setAttribute("disabled", "true");
1.70 + viewSourceNavigation.setAttribute("hidden", "true");
1.71 + }
1.72 +}
1.73 +
1.74 +function isHistoryEnabled() {
1.75 + return !gBrowser.hasAttribute("disablehistory");
1.76 +}
1.77 +
1.78 +function getSelectionController() {
1.79 + return gBrowser.docShell
1.80 + .QueryInterface(Ci.nsIInterfaceRequestor)
1.81 + .getInterface(Ci.nsISelectionDisplay)
1.82 + .QueryInterface(Ci.nsISelectionController);
1.83 +}
1.84 +
1.85 +function viewSource(url)
1.86 +{
1.87 + if (!url)
1.88 + return; // throw Components.results.NS_ERROR_FAILURE;
1.89 +
1.90 + var viewSrcUrl = "view-source:" + url;
1.91 +
1.92 + gBrowser.addEventListener("pagehide", onUnloadContent, true);
1.93 + gBrowser.addEventListener("pageshow", onLoadContent, true);
1.94 + gBrowser.addEventListener("click", onClickContent, false);
1.95 +
1.96 + var loadFromURL = true;
1.97 +
1.98 + // Parse the 'arguments' supplied with the dialog.
1.99 + // arg[0] - URL string.
1.100 + // arg[1] - Charset value in the form 'charset=xxx'.
1.101 + // arg[2] - Page descriptor used to load content from the cache.
1.102 + // arg[3] - Line number to go to.
1.103 + // arg[4] - Whether charset was forced by the user
1.104 +
1.105 + if ("arguments" in window) {
1.106 + var arg;
1.107 +
1.108 + // Set the charset of the viewsource window...
1.109 + var charset;
1.110 + if (window.arguments.length >= 2) {
1.111 + arg = window.arguments[1];
1.112 +
1.113 + try {
1.114 + if (typeof(arg) == "string" && arg.indexOf('charset=') != -1) {
1.115 + var arrayArgComponents = arg.split('=');
1.116 + if (arrayArgComponents) {
1.117 + // Remember the charset here so that it can be used below in case
1.118 + // the document had a forced charset.
1.119 + charset = arrayArgComponents[1];
1.120 + }
1.121 + }
1.122 + } catch (ex) {
1.123 + // Ignore the failure and keep processing arguments...
1.124 + }
1.125 + }
1.126 + // If the document had a forced charset, set it here also
1.127 + if (window.arguments.length >= 5) {
1.128 + arg = window.arguments[4];
1.129 +
1.130 + try {
1.131 + if (arg === true) {
1.132 + gBrowser.docShell.charset = charset;
1.133 + }
1.134 + } catch (ex) {
1.135 + // Ignore the failure and keep processing arguments...
1.136 + }
1.137 + }
1.138 +
1.139 + // Get any specified line to jump to.
1.140 + if (window.arguments.length >= 4) {
1.141 + arg = window.arguments[3];
1.142 + gGoToLine = parseInt(arg);
1.143 + }
1.144 +
1.145 + // Use the page descriptor to load the content from the cache (if
1.146 + // available).
1.147 + if (window.arguments.length >= 3) {
1.148 + arg = window.arguments[2];
1.149 +
1.150 + try {
1.151 + if (typeof(arg) == "object" && arg != null) {
1.152 + // Load the page using the page descriptor rather than the URL.
1.153 + // This allows the content to be fetched from the cache (if
1.154 + // possible) rather than the network...
1.155 + gPageLoader.loadPage(arg, gPageLoader.DISPLAY_AS_SOURCE);
1.156 +
1.157 + // The content was successfully loaded.
1.158 + loadFromURL = false;
1.159 +
1.160 + // Record the page load in the session history so <back> will work.
1.161 + var shEntrySource = arg.QueryInterface(Ci.nsISHEntry);
1.162 + var shEntry = Cc["@mozilla.org/browser/session-history-entry;1"].createInstance(Ci.nsISHEntry);
1.163 + shEntry.setURI(makeURI(viewSrcUrl, null, null));
1.164 + shEntry.setTitle(viewSrcUrl);
1.165 + shEntry.loadType = Ci.nsIDocShellLoadInfo.loadHistory;
1.166 + shEntry.cacheKey = shEntrySource.cacheKey;
1.167 + gBrowser.sessionHistory
1.168 + .QueryInterface(Ci.nsISHistoryInternal)
1.169 + .addEntry(shEntry, true);
1.170 + }
1.171 + } catch(ex) {
1.172 + // Ignore the failure. The content will be loaded via the URL
1.173 + // that was supplied in arg[0].
1.174 + }
1.175 + }
1.176 + }
1.177 +
1.178 + if (loadFromURL) {
1.179 + // Currently, an exception is thrown if the URL load fails...
1.180 + var loadFlags = Ci.nsIWebNavigation.LOAD_FLAGS_NONE;
1.181 + getWebNavigation().loadURI(viewSrcUrl, loadFlags, null, null, null);
1.182 + }
1.183 +
1.184 + // Check the view_source.wrap_long_lines pref and set the menuitem's checked
1.185 + // attribute accordingly.
1.186 + var wraplonglinesPrefValue = Services.prefs.getBoolPref("view_source.wrap_long_lines");
1.187 +
1.188 + if (wraplonglinesPrefValue)
1.189 + document.getElementById("menu_wrapLongLines").setAttribute("checked", "true");
1.190 +
1.191 + document.getElementById("menu_highlightSyntax")
1.192 + .setAttribute("checked",
1.193 + Services.prefs.getBoolPref("view_source.syntax_highlight"));
1.194 +
1.195 + window.addEventListener("AppCommand", HandleAppCommandEvent, true);
1.196 + window.addEventListener("MozSwipeGesture", HandleSwipeGesture, true);
1.197 + window.content.focus();
1.198 +}
1.199 +
1.200 +function onLoadContent()
1.201 +{
1.202 + // If the view source was opened with a "go to line" argument.
1.203 + if (gGoToLine > 0) {
1.204 + goToLine(gGoToLine);
1.205 + gGoToLine = 0;
1.206 + }
1.207 + document.getElementById('cmd_goToLine').removeAttribute('disabled');
1.208 +
1.209 + // Register a listener so that we can show the caret position on the status bar.
1.210 + window.content.getSelection()
1.211 + .QueryInterface(Ci.nsISelectionPrivate)
1.212 + .addSelectionListener(gSelectionListener);
1.213 + gSelectionListener.attached = true;
1.214 +
1.215 + if (isHistoryEnabled())
1.216 + UpdateBackForwardCommands();
1.217 +}
1.218 +
1.219 +function onUnloadContent()
1.220 +{
1.221 + // Disable "go to line" while reloading due to e.g. change of charset
1.222 + // or toggling of syntax highlighting.
1.223 + document.getElementById('cmd_goToLine').setAttribute('disabled', 'true');
1.224 +
1.225 + // If we're not just unloading the initial "about:blank" which doesn't have
1.226 + // a selection listener, get rid of it so it doesn't try to fire after the
1.227 + // window has gone away.
1.228 + if (gSelectionListener.attached) {
1.229 + window.content.getSelection().QueryInterface(Ci.nsISelectionPrivate)
1.230 + .removeSelectionListener(gSelectionListener);
1.231 + gSelectionListener.attached = false;
1.232 + }
1.233 +}
1.234 +
1.235 +/**
1.236 + * Handle click events bubbling up from error page content
1.237 + */
1.238 +function onClickContent(event) {
1.239 + // Don't trust synthetic events
1.240 + if (!event.isTrusted || event.target.localName != "button")
1.241 + return;
1.242 +
1.243 + var target = event.originalTarget;
1.244 + var errorDoc = target.ownerDocument;
1.245 +
1.246 + if (/^about:blocked/.test(errorDoc.documentURI)) {
1.247 + // The event came from a button on a malware/phishing block page
1.248 + // First check whether it's malware or phishing, so that we can
1.249 + // use the right strings/links
1.250 + var isMalware = /e=malwareBlocked/.test(errorDoc.documentURI);
1.251 +
1.252 + if (target == errorDoc.getElementById('getMeOutButton')) {
1.253 + // Instead of loading some safe page, just close the window
1.254 + window.close();
1.255 + } else if (target == errorDoc.getElementById('reportButton')) {
1.256 + // This is the "Why is this site blocked" button. For malware,
1.257 + // we can fetch a site-specific report, for phishing, we redirect
1.258 + // to the generic page describing phishing protection.
1.259 +
1.260 + if (isMalware) {
1.261 + // Get the stop badware "why is this blocked" report url,
1.262 + // append the current url, and go there.
1.263 + try {
1.264 + let reportURL = Services.urlFormatter.formatURLPref("browser.safebrowsing.malware.reportURL", true);
1.265 + reportURL += errorDoc.location.href.slice(12);
1.266 + openURL(reportURL);
1.267 + } catch (e) {
1.268 + Components.utils.reportError("Couldn't get malware report URL: " + e);
1.269 + }
1.270 + } else {
1.271 + // It's a phishing site, just link to the generic information page
1.272 + let url = Services.urlFormatter.formatURLPref("app.support.baseURL");
1.273 + openURL(url + "phishing-malware");
1.274 + }
1.275 + } else if (target == errorDoc.getElementById('ignoreWarningButton')) {
1.276 + // Allow users to override and continue through to the site
1.277 + gBrowser.loadURIWithFlags(content.location.href,
1.278 + Ci.nsIWebNavigation.LOAD_FLAGS_BYPASS_CLASSIFIER,
1.279 + null, null, null);
1.280 + }
1.281 + }
1.282 +}
1.283 +
1.284 +function HandleAppCommandEvent(evt)
1.285 +{
1.286 + evt.stopPropagation();
1.287 + switch (evt.command) {
1.288 + case "Back":
1.289 + BrowserBack();
1.290 + break;
1.291 + case "Forward":
1.292 + BrowserForward();
1.293 + break;
1.294 + }
1.295 +}
1.296 +
1.297 +function HandleSwipeGesture(evt) {
1.298 + evt.stopPropagation();
1.299 + switch (evt.direction) {
1.300 + case SimpleGestureEvent.DIRECTION_LEFT:
1.301 + BrowserBack();
1.302 + break;
1.303 + case SimpleGestureEvent.DIRECTION_RIGHT:
1.304 + BrowserForward();
1.305 + break;
1.306 + case SimpleGestureEvent.DIRECTION_UP:
1.307 + goDoCommand("cmd_scrollTop");
1.308 + break;
1.309 + case SimpleGestureEvent.DIRECTION_DOWN:
1.310 + goDoCommand("cmd_scrollBottom");
1.311 + break;
1.312 + }
1.313 +}
1.314 +
1.315 +function ViewSourceClose()
1.316 +{
1.317 + window.close();
1.318 +}
1.319 +
1.320 +function ViewSourceReload()
1.321 +{
1.322 + gBrowser.reloadWithFlags(Ci.nsIWebNavigation.LOAD_FLAGS_BYPASS_PROXY |
1.323 + Ci.nsIWebNavigation.LOAD_FLAGS_BYPASS_CACHE);
1.324 +}
1.325 +
1.326 +// Strips the |view-source:| for internalSave()
1.327 +function ViewSourceSavePage()
1.328 +{
1.329 + internalSave(window.content.location.href.substring(12),
1.330 + null, null, null, null, null, "SaveLinkTitle",
1.331 + null, null, window.content.document, null, gPageLoader);
1.332 +}
1.333 +
1.334 +var PrintPreviewListener = {
1.335 + getPrintPreviewBrowser: function () {
1.336 + var browser = document.getElementById("ppBrowser");
1.337 + if (!browser) {
1.338 + browser = document.createElement("browser");
1.339 + browser.setAttribute("id", "ppBrowser");
1.340 + browser.setAttribute("flex", "1");
1.341 + document.getElementById("appcontent").
1.342 + insertBefore(browser, document.getElementById("FindToolbar"));
1.343 + }
1.344 + return browser;
1.345 + },
1.346 + getSourceBrowser: function () {
1.347 + return gBrowser;
1.348 + },
1.349 + getNavToolbox: function () {
1.350 + return document.getElementById("appcontent");
1.351 + },
1.352 + onEnter: function () {
1.353 + var toolbox = document.getElementById("viewSource-toolbox");
1.354 + toolbox.hidden = true;
1.355 + gBrowser.collapsed = true;
1.356 + },
1.357 + onExit: function () {
1.358 + document.getElementById("ppBrowser").collapsed = true;
1.359 + gBrowser.collapsed = false;
1.360 + document.getElementById("viewSource-toolbox").hidden = false;
1.361 + }
1.362 +}
1.363 +
1.364 +function getWebNavigation()
1.365 +{
1.366 + try {
1.367 + return gBrowser.webNavigation;
1.368 + } catch (e) {
1.369 + return null;
1.370 + }
1.371 +}
1.372 +
1.373 +function ViewSourceGoToLine()
1.374 +{
1.375 + var input = {value:gLastLineFound};
1.376 + for (;;) {
1.377 + var ok = Services.prompt.prompt(
1.378 + window,
1.379 + gViewSourceBundle.getString("goToLineTitle"),
1.380 + gViewSourceBundle.getString("goToLineText"),
1.381 + input,
1.382 + null,
1.383 + {value:0});
1.384 +
1.385 + if (!ok)
1.386 + return;
1.387 +
1.388 + var line = parseInt(input.value, 10);
1.389 +
1.390 + if (!(line > 0)) {
1.391 + Services.prompt.alert(window,
1.392 + gViewSourceBundle.getString("invalidInputTitle"),
1.393 + gViewSourceBundle.getString("invalidInputText"));
1.394 +
1.395 + continue;
1.396 + }
1.397 +
1.398 + var found = goToLine(line);
1.399 +
1.400 + if (found)
1.401 + break;
1.402 +
1.403 + Services.prompt.alert(window,
1.404 + gViewSourceBundle.getString("outOfRangeTitle"),
1.405 + gViewSourceBundle.getString("outOfRangeText"));
1.406 + }
1.407 +}
1.408 +
1.409 +function goToLine(line)
1.410 +{
1.411 + var viewsource = window.content.document.body;
1.412 +
1.413 + // The source document is made up of a number of pre elements with
1.414 + // id attributes in the format <pre id="line123">, meaning that
1.415 + // the first line in the pre element is number 123.
1.416 + // Do binary search to find the pre element containing the line.
1.417 + // However, in the plain text case, we have only one pre without an
1.418 + // attribute, so assume it begins on line 1.
1.419 +
1.420 + var pre;
1.421 + for (var lbound = 0, ubound = viewsource.childNodes.length; ; ) {
1.422 + var middle = (lbound + ubound) >> 1;
1.423 + pre = viewsource.childNodes[middle];
1.424 +
1.425 + var firstLine = pre.id ? parseInt(pre.id.substring(4)) : 1;
1.426 +
1.427 + if (lbound == ubound - 1) {
1.428 + break;
1.429 + }
1.430 +
1.431 + if (line >= firstLine) {
1.432 + lbound = middle;
1.433 + } else {
1.434 + ubound = middle;
1.435 + }
1.436 + }
1.437 +
1.438 + var result = {};
1.439 + var found = findLocation(pre, line, null, -1, false, result);
1.440 +
1.441 + if (!found) {
1.442 + return false;
1.443 + }
1.444 +
1.445 + var selection = window.content.getSelection();
1.446 + selection.removeAllRanges();
1.447 +
1.448 + // In our case, the range's startOffset is after "\n" on the previous line.
1.449 + // Tune the selection at the beginning of the next line and do some tweaking
1.450 + // to position the focusNode and the caret at the beginning of the line.
1.451 +
1.452 + selection.QueryInterface(Ci.nsISelectionPrivate)
1.453 + .interlinePosition = true;
1.454 +
1.455 + selection.addRange(result.range);
1.456 +
1.457 + if (!selection.isCollapsed) {
1.458 + selection.collapseToEnd();
1.459 +
1.460 + var offset = result.range.startOffset;
1.461 + var node = result.range.startContainer;
1.462 + if (offset < node.data.length) {
1.463 + // The same text node spans across the "\n", just focus where we were.
1.464 + selection.extend(node, offset);
1.465 + }
1.466 + else {
1.467 + // There is another tag just after the "\n", hook there. We need
1.468 + // to focus a safe point because there are edgy cases such as
1.469 + // <span>...\n</span><span>...</span> vs.
1.470 + // <span>...\n<span>...</span></span><span>...</span>
1.471 + node = node.nextSibling ? node.nextSibling : node.parentNode.nextSibling;
1.472 + selection.extend(node, 0);
1.473 + }
1.474 + }
1.475 +
1.476 + var selCon = getSelectionController();
1.477 + selCon.setDisplaySelection(Ci.nsISelectionController.SELECTION_ON);
1.478 + selCon.setCaretVisibilityDuringSelection(true);
1.479 +
1.480 + // Scroll the beginning of the line into view.
1.481 + selCon.scrollSelectionIntoView(
1.482 + Ci.nsISelectionController.SELECTION_NORMAL,
1.483 + Ci.nsISelectionController.SELECTION_FOCUS_REGION,
1.484 + true);
1.485 +
1.486 + gLastLineFound = line;
1.487 +
1.488 + document.getElementById("statusbar-line-col").label =
1.489 + gViewSourceBundle.getFormattedString("statusBarLineCol", [line, 1]);
1.490 +
1.491 + return true;
1.492 +}
1.493 +
1.494 +function updateStatusBar()
1.495 +{
1.496 + // Reset the coalesce flag.
1.497 + gSelectionListener.timeout = 0;
1.498 +
1.499 + var statusBarField = document.getElementById("statusbar-line-col");
1.500 +
1.501 + var selection = window.content.getSelection();
1.502 + if (!selection.focusNode) {
1.503 + statusBarField.label = '';
1.504 + return;
1.505 + }
1.506 + if (selection.focusNode.nodeType != Node.TEXT_NODE) {
1.507 + return;
1.508 + }
1.509 +
1.510 + var selCon = getSelectionController();
1.511 + selCon.setDisplaySelection(Ci.nsISelectionController.SELECTION_ON);
1.512 + selCon.setCaretVisibilityDuringSelection(true);
1.513 +
1.514 + var interlinePosition = selection.QueryInterface(Ci.nsISelectionPrivate)
1.515 + .interlinePosition;
1.516 +
1.517 + var result = {};
1.518 + findLocation(null, -1,
1.519 + selection.focusNode, selection.focusOffset, interlinePosition, result);
1.520 +
1.521 + statusBarField.label = gViewSourceBundle.getFormattedString(
1.522 + "statusBarLineCol", [result.line, result.col]);
1.523 +}
1.524 +
1.525 +// Loops through the text lines in the pre element. The arguments are either
1.526 +// (pre, line) or (node, offset, interlinePosition). result is an out
1.527 +// argument. If (pre, line) are specified (and node == null), result.range is
1.528 +// a range spanning the specified line. If the (node, offset,
1.529 +// interlinePosition) are specified, result.line and result.col are the line
1.530 +// and column number of the specified offset in the specified node relative to
1.531 +// the whole file.
1.532 +function findLocation(pre, line, node, offset, interlinePosition, result)
1.533 +{
1.534 + if (node && !pre) {
1.535 + // Look upwards to find the current pre element.
1.536 + for (pre = node;
1.537 + pre.nodeName != "PRE";
1.538 + pre = pre.parentNode);
1.539 + }
1.540 +
1.541 + // The source document is made up of a number of pre elements with
1.542 + // id attributes in the format <pre id="line123">, meaning that
1.543 + // the first line in the pre element is number 123.
1.544 + // However, in the plain text case, there is only one <pre> without an id,
1.545 + // so assume line 1.
1.546 + var curLine = pre.id ? parseInt(pre.id.substring(4)) : 1;
1.547 +
1.548 + // Walk through each of the text nodes and count newlines.
1.549 + var treewalker = window.content.document
1.550 + .createTreeWalker(pre, NodeFilter.SHOW_TEXT, null);
1.551 +
1.552 + // The column number of the first character in the current text node.
1.553 + var firstCol = 1;
1.554 +
1.555 + var found = false;
1.556 + for (var textNode = treewalker.firstChild();
1.557 + textNode && !found;
1.558 + textNode = treewalker.nextNode()) {
1.559 +
1.560 + // \r is not a valid character in the DOM, so we only check for \n.
1.561 + var lineArray = textNode.data.split(/\n/);
1.562 + var lastLineInNode = curLine + lineArray.length - 1;
1.563 +
1.564 + // Check if we can skip the text node without further inspection.
1.565 + if (node ? (textNode != node) : (lastLineInNode < line)) {
1.566 + if (lineArray.length > 1) {
1.567 + firstCol = 1;
1.568 + }
1.569 + firstCol += lineArray[lineArray.length - 1].length;
1.570 + curLine = lastLineInNode;
1.571 + continue;
1.572 + }
1.573 +
1.574 + // curPos is the offset within the current text node of the first
1.575 + // character in the current line.
1.576 + for (var i = 0, curPos = 0;
1.577 + i < lineArray.length;
1.578 + curPos += lineArray[i++].length + 1) {
1.579 +
1.580 + if (i > 0) {
1.581 + curLine++;
1.582 + }
1.583 +
1.584 + if (node) {
1.585 + if (offset >= curPos && offset <= curPos + lineArray[i].length) {
1.586 + // If we are right after the \n of a line and interlinePosition is
1.587 + // false, the caret looks as if it were at the end of the previous
1.588 + // line, so we display that line and column instead.
1.589 +
1.590 + if (i > 0 && offset == curPos && !interlinePosition) {
1.591 + result.line = curLine - 1;
1.592 + var prevPos = curPos - lineArray[i - 1].length;
1.593 + result.col = (i == 1 ? firstCol : 1) + offset - prevPos;
1.594 + } else {
1.595 + result.line = curLine;
1.596 + result.col = (i == 0 ? firstCol : 1) + offset - curPos;
1.597 + }
1.598 + found = true;
1.599 +
1.600 + break;
1.601 + }
1.602 +
1.603 + } else {
1.604 + if (curLine == line && !("range" in result)) {
1.605 + result.range = document.createRange();
1.606 + result.range.setStart(textNode, curPos);
1.607 +
1.608 + // This will always be overridden later, except when we look for
1.609 + // the very last line in the file (this is the only line that does
1.610 + // not end with \n).
1.611 + result.range.setEndAfter(pre.lastChild);
1.612 +
1.613 + } else if (curLine == line + 1) {
1.614 + result.range.setEnd(textNode, curPos - 1);
1.615 + found = true;
1.616 + break;
1.617 + }
1.618 + }
1.619 + }
1.620 + }
1.621 +
1.622 + return found || ("range" in result);
1.623 +}
1.624 +
1.625 +// Toggle long-line wrapping and sets the view_source.wrap_long_lines
1.626 +// pref to persist the last state.
1.627 +function wrapLongLines()
1.628 +{
1.629 + var myWrap = window.content.document.body;
1.630 + myWrap.classList.toggle("wrap");
1.631 +
1.632 + // Since multiple viewsource windows are possible, another window could have
1.633 + // affected the pref, so instead of determining the new pref value via the current
1.634 + // pref value, we use myWrap.classList.
1.635 + Services.prefs.setBoolPref("view_source.wrap_long_lines", myWrap.classList.contains("wrap"));
1.636 +}
1.637 +
1.638 +// Toggles syntax highlighting and sets the view_source.syntax_highlight
1.639 +// pref to persist the last state.
1.640 +function highlightSyntax()
1.641 +{
1.642 + var highlightSyntaxMenu = document.getElementById("menu_highlightSyntax");
1.643 + var highlightSyntax = (highlightSyntaxMenu.getAttribute("checked") == "true");
1.644 + Services.prefs.setBoolPref("view_source.syntax_highlight", highlightSyntax);
1.645 +
1.646 + gPageLoader.loadPage(gPageLoader.currentDescriptor, gPageLoader.DISPLAY_NORMAL);
1.647 +}
1.648 +
1.649 +// Reload after change to character encoding or autodetection
1.650 +//
1.651 +// Fix for bug 136322: this function overrides the function in
1.652 +// browser.js to call PageLoader.loadPage() instead of BrowserReloadWithFlags()
1.653 +function BrowserCharsetReload()
1.654 +{
1.655 + if (isHistoryEnabled()) {
1.656 + gPageLoader.loadPage(gPageLoader.currentDescriptor,
1.657 + gPageLoader.DISPLAY_NORMAL);
1.658 + } else {
1.659 + gBrowser.reloadWithFlags(Ci.nsIWebNavigation.LOAD_FLAGS_CHARSET_CHANGE);
1.660 + }
1.661 +}
1.662 +
1.663 +function BrowserSetCharacterSet(aEvent)
1.664 +{
1.665 + if (aEvent.target.hasAttribute("charset"))
1.666 + gBrowser.docShell.charset = aEvent.target.getAttribute("charset");
1.667 + BrowserCharsetReload();
1.668 +}
1.669 +
1.670 +function BrowserForward(aEvent) {
1.671 + try {
1.672 + gBrowser.goForward();
1.673 + }
1.674 + catch(ex) {
1.675 + }
1.676 +}
1.677 +
1.678 +function BrowserBack(aEvent) {
1.679 + try {
1.680 + gBrowser.goBack();
1.681 + }
1.682 + catch(ex) {
1.683 + }
1.684 +}
1.685 +
1.686 +function UpdateBackForwardCommands() {
1.687 + var backBroadcaster = document.getElementById("Browser:Back");
1.688 + var forwardBroadcaster = document.getElementById("Browser:Forward");
1.689 +
1.690 + if (getWebNavigation().canGoBack)
1.691 + backBroadcaster.removeAttribute("disabled");
1.692 + else
1.693 + backBroadcaster.setAttribute("disabled", "true");
1.694 +
1.695 + if (getWebNavigation().canGoForward)
1.696 + forwardBroadcaster.removeAttribute("disabled");
1.697 + else
1.698 + forwardBroadcaster.setAttribute("disabled", "true");
1.699 +}
1.700 +
1.701 +function contextMenuShowing() {
1.702 + var isLink = false;
1.703 + var isEmail = false;
1.704 + if (gContextMenu.triggerNode && gContextMenu.triggerNode.localName == 'a') {
1.705 + if (gContextMenu.triggerNode.href.indexOf('view-source:') == 0)
1.706 + isLink = true;
1.707 + if (gContextMenu.triggerNode.href.indexOf('mailto:') == 0)
1.708 + isEmail = true;
1.709 + }
1.710 + document.getElementById('context-copyLink').hidden = !isLink;
1.711 + document.getElementById('context-copyEmail').hidden = !isEmail;
1.712 +}
1.713 +
1.714 +function contextMenuCopyLinkOrEmail() {
1.715 + if (!gContextMenu.triggerNode)
1.716 + return;
1.717 +
1.718 + var href = gContextMenu.triggerNode.href;
1.719 + var clipboard = Cc['@mozilla.org/widget/clipboardhelper;1'].
1.720 + getService(Ci.nsIClipboardHelper);
1.721 + clipboard.copyString(href.substring(href.indexOf(':') + 1), document);
1.722 +}
