gecko/browser/devtools/webconsole/webconsole.js

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/* -*- js2-basic-offset: 2; indent-tabs-mode: nil; -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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/. */
"use strict";
const {Cc, Ci, Cu} = require("chrome");
let WebConsoleUtils = require("devtools/toolkit/webconsole/utils").Utils;
loader.lazyServiceGetter(this, "clipboardHelper",
"@mozilla.org/widget/clipboardhelper;1",
"nsIClipboardHelper");
loader.lazyImporter(this, "Services", "resource://gre/modules/Services.jsm");
loader.lazyGetter(this, "promise", () => require("sdk/core/promise"));
loader.lazyGetter(this, "EventEmitter", () => require("devtools/shared/event-emitter"));
loader.lazyGetter(this, "AutocompletePopup",
() => require("devtools/shared/autocomplete-popup").AutocompletePopup);
loader.lazyGetter(this, "ToolSidebar",
() => require("devtools/framework/sidebar").ToolSidebar);
loader.lazyGetter(this, "NetworkPanel",
() => require("devtools/webconsole/network-panel").NetworkPanel);
loader.lazyGetter(this, "ConsoleOutput",
() => require("devtools/webconsole/console-output").ConsoleOutput);
loader.lazyGetter(this, "Messages",
() => require("devtools/webconsole/console-output").Messages);
loader.lazyImporter(this, "EnvironmentClient", "resource://gre/modules/devtools/dbg-client.jsm");
loader.lazyImporter(this, "ObjectClient", "resource://gre/modules/devtools/dbg-client.jsm");
loader.lazyImporter(this, "VariablesView", "resource:///modules/devtools/VariablesView.jsm");
loader.lazyImporter(this, "VariablesViewController", "resource:///modules/devtools/VariablesViewController.jsm");
loader.lazyImporter(this, "PluralForm", "resource://gre/modules/PluralForm.jsm");
const STRINGS_URI = "chrome://browser/locale/devtools/webconsole.properties";
let l10n = new WebConsoleUtils.l10n(STRINGS_URI);
const XHTML_NS = "http://www.w3.org/1999/xhtml";
const MIXED_CONTENT_LEARN_MORE = "https://developer.mozilla.org/docs/Security/MixedContent";
const INSECURE_PASSWORDS_LEARN_MORE = "https://developer.mozilla.org/docs/Security/InsecurePasswords";
const STRICT_TRANSPORT_SECURITY_LEARN_MORE = "https://developer.mozilla.org/docs/Security/HTTP_Strict_Transport_Security";
const HELP_URL = "https://developer.mozilla.org/docs/Tools/Web_Console/Helpers";
const VARIABLES_VIEW_URL = "chrome://browser/content/devtools/widgets/VariablesView.xul";
const CONSOLE_DIR_VIEW_HEIGHT = 0.6;
const IGNORED_SOURCE_URLS = ["debugger eval code", "self-hosted"];
// The amount of time in milliseconds that must pass between messages to
// trigger the display of a new group.
const NEW_GROUP_DELAY = 5000;
// The amount of time in milliseconds that we wait before performing a live
// search.
const SEARCH_DELAY = 200;
// The number of lines that are displayed in the console output by default, for
// each category. The user can change this number by adjusting the hidden
// "devtools.hud.loglimit.{network,cssparser,exception,console}" preferences.
const DEFAULT_LOG_LIMIT = 200;
// The various categories of messages. We start numbering at zero so we can
// use these as indexes into the MESSAGE_PREFERENCE_KEYS matrix below.
const CATEGORY_NETWORK = 0;
const CATEGORY_CSS = 1;
const CATEGORY_JS = 2;
const CATEGORY_WEBDEV = 3;
const CATEGORY_INPUT = 4; // always on
const CATEGORY_OUTPUT = 5; // always on
const CATEGORY_SECURITY = 6;
// The possible message severities. As before, we start at zero so we can use
// these as indexes into MESSAGE_PREFERENCE_KEYS.
const SEVERITY_ERROR = 0;
const SEVERITY_WARNING = 1;
const SEVERITY_INFO = 2;
const SEVERITY_LOG = 3;
// The fragment of a CSS class name that identifies each category.
const CATEGORY_CLASS_FRAGMENTS = [
"network",
"cssparser",
"exception",
"console",
"input",
"output",
"security",
];
// The fragment of a CSS class name that identifies each severity.
const SEVERITY_CLASS_FRAGMENTS = [
"error",
"warn",
"info",
"log",
];
// The preference keys to use for each category/severity combination, indexed
// first by category (rows) and then by severity (columns).
//
// Most of these rather idiosyncratic names are historical and predate the
// division of message type into "category" and "severity".
const MESSAGE_PREFERENCE_KEYS = [
// Error Warning Info Log
[ "network", "netwarn", null, "networkinfo", ], // Network
[ "csserror", "cssparser", null, null, ], // CSS
[ "exception", "jswarn", null, "jslog", ], // JS
[ "error", "warn", "info", "log", ], // Web Developer
[ null, null, null, null, ], // Input
[ null, null, null, null, ], // Output
[ "secerror", "secwarn", null, null, ], // Security
];
// A mapping from the console API log event levels to the Web Console
// severities.
const LEVELS = {
error: SEVERITY_ERROR,
warn: SEVERITY_WARNING,
info: SEVERITY_INFO,
log: SEVERITY_LOG,
trace: SEVERITY_LOG,
debug: SEVERITY_LOG,
dir: SEVERITY_LOG,
group: SEVERITY_LOG,
groupCollapsed: SEVERITY_LOG,
groupEnd: SEVERITY_LOG,
time: SEVERITY_LOG,
timeEnd: SEVERITY_LOG
};
// The lowest HTTP response code (inclusive) that is considered an error.
const MIN_HTTP_ERROR_CODE = 400;
// The highest HTTP response code (inclusive) that is considered an error.
const MAX_HTTP_ERROR_CODE = 599;
// Constants used for defining the direction of JSTerm input history navigation.
const HISTORY_BACK = -1;
const HISTORY_FORWARD = 1;
// The indent of a console group in pixels.
const GROUP_INDENT = 12;
// The number of messages to display in a single display update. If we display
// too many messages at once we slow the Firefox UI too much.
const MESSAGES_IN_INTERVAL = DEFAULT_LOG_LIMIT;
// The delay between display updates - tells how often we should *try* to push
// new messages to screen. This value is optimistic, updates won't always
// happen. Keep this low so the Web Console output feels live.
const OUTPUT_INTERVAL = 50; // milliseconds
// When the output queue has more than MESSAGES_IN_INTERVAL items we throttle
// output updates to this number of milliseconds. So during a lot of output we
// update every N milliseconds given here.
const THROTTLE_UPDATES = 1000; // milliseconds
// The preference prefix for all of the Web Console filters.
const FILTER_PREFS_PREFIX = "devtools.webconsole.filter.";
// The minimum font size.
const MIN_FONT_SIZE = 10;
// The maximum length of strings to be displayed by the Web Console.
const MAX_LONG_STRING_LENGTH = 200000;
const PREF_CONNECTION_TIMEOUT = "devtools.debugger.remote-timeout";
const PREF_PERSISTLOG = "devtools.webconsole.persistlog";
/**
* A WebConsoleFrame instance is an interactive console initialized *per target*
* that displays console log data as well as provides an interactive terminal to
* manipulate the target's document content.
*
* The WebConsoleFrame is responsible for the actual Web Console UI
* implementation.
*
* @constructor
* @param object aWebConsoleOwner
* The WebConsole owner object.
*/
function WebConsoleFrame(aWebConsoleOwner)
{
this.owner = aWebConsoleOwner;
this.hudId = this.owner.hudId;
this.window = this.owner.iframeWindow;
this._repeatNodes = {};
this._outputQueue = [];
this._pruneCategoriesQueue = {};
this._networkRequests = {};
this.filterPrefs = {};
this.output = new ConsoleOutput(this);
this._toggleFilter = this._toggleFilter.bind(this);
this._flushMessageQueue = this._flushMessageQueue.bind(this);
this._outputTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
this._outputTimerInitialized = false;
EventEmitter.decorate(this);
}
exports.WebConsoleFrame = WebConsoleFrame;
WebConsoleFrame.prototype = {
/**
* The WebConsole instance that owns this frame.
* @see hudservice.js::WebConsole
* @type object
*/
owner: null,
/**
* Proxy between the Web Console and the remote Web Console instance. This
* object holds methods used for connecting, listening and disconnecting from
* the remote server, using the remote debugging protocol.
*
* @see WebConsoleConnectionProxy
* @type object
*/
proxy: null,
/**
* Getter for the xul:popupset that holds any popups we open.
* @type nsIDOMElement
*/
get popupset() this.owner.mainPopupSet,
/**
* Holds the initialization promise object.
* @private
* @type object
*/
_initDefer: null,
/**
* Holds the network requests currently displayed by the Web Console. Each key
* represents the connection ID and the value is network request information.
* @private
* @type object
*/
_networkRequests: null,
/**
* Last time when we displayed any message in the output.
*
* @private
* @type number
* Timestamp in milliseconds since the Unix epoch.
*/
_lastOutputFlush: 0,
/**
* Message nodes are stored here in a queue for later display.
*
* @private
* @type array
*/
_outputQueue: null,
/**
* Keep track of the categories we need to prune from time to time.
*
* @private
* @type array
*/
_pruneCategoriesQueue: null,
/**
* Function invoked whenever the output queue is emptied. This is used by some
* tests.
*
* @private
* @type function
*/
_flushCallback: null,
/**
* Timer used for flushing the messages output queue.
*
* @private
* @type nsITimer
*/
_outputTimer: null,
_outputTimerInitialized: null,
/**
* Store for tracking repeated nodes.
* @private
* @type object
*/
_repeatNodes: null,
/**
* Preferences for filtering messages by type.
* @see this._initDefaultFilterPrefs()
* @type object
*/
filterPrefs: null,
/**
* Prefix used for filter preferences.
* @private
* @type string
*/
_filterPrefsPrefix: FILTER_PREFS_PREFIX,
/**
* The nesting depth of the currently active console group.
*/
groupDepth: 0,
/**
* The current target location.
* @type string
*/
contentLocation: "",
/**
* The JSTerm object that manage the console's input.
* @see JSTerm
* @type object
*/
jsterm: null,
/**
* The element that holds all of the messages we display.
* @type nsIDOMElement
*/
outputNode: null,
/**
* The ConsoleOutput instance that manages all output.
* @type object
*/
output: null,
/**
* The input element that allows the user to filter messages by string.
* @type nsIDOMElement
*/
filterBox: null,
/**
* Getter for the debugger WebConsoleClient.
* @type object
*/
get webConsoleClient() this.proxy ? this.proxy.webConsoleClient : null,
_destroyer: null,
// Used in tests.
_saveRequestAndResponseBodies: false,
/**
* Tells whether to save the bodies of network requests and responses.
* Disabled by default to save memory.
*
* @return boolean
* The saveRequestAndResponseBodies pref value.
*/
getSaveRequestAndResponseBodies:
function WCF_getSaveRequestAndResponseBodies() {
let deferred = promise.defer();
let toGet = [
"NetworkMonitor.saveRequestAndResponseBodies"
];
// Make sure the web console client connection is established first.
this.webConsoleClient.getPreferences(toGet, aResponse => {
if (!aResponse.error) {
this._saveRequestAndResponseBodies = aResponse.preferences[toGet[0]];
deferred.resolve(this._saveRequestAndResponseBodies);
}
else {
deferred.reject(aResponse.error);
}
});
return deferred.promise;
},
/**
* Setter for saving of network request and response bodies.
*
* @param boolean aValue
* The new value you want to set.
*/
setSaveRequestAndResponseBodies:
function WCF_setSaveRequestAndResponseBodies(aValue) {
let deferred = promise.defer();
let newValue = !!aValue;
let toSet = {
"NetworkMonitor.saveRequestAndResponseBodies": newValue,
};
// Make sure the web console client connection is established first.
this.webConsoleClient.setPreferences(toSet, aResponse => {
if (!aResponse.error) {
this._saveRequestAndResponseBodies = newValue;
deferred.resolve(aResponse);
}
else {
deferred.reject(aResponse.error);
}
});
return deferred.promise;
},
/**
* Getter for the persistent logging preference.
* @type boolean
*/
get persistLog() {
return Services.prefs.getBoolPref(PREF_PERSISTLOG);
},
/**
* Initialize the WebConsoleFrame instance.
* @return object
* A promise object for the initialization.
*/
init: function WCF_init()
{
this._initUI();
return this._initConnection();
},
/**
* Connect to the server using the remote debugging protocol.
*
* @private
* @return object
* A promise object that is resolved/reject based on the connection
* result.
*/
_initConnection: function WCF__initConnection()
{
if (this._initDefer) {
return this._initDefer.promise;
}
this._initDefer = promise.defer();
this.proxy = new WebConsoleConnectionProxy(this, this.owner.target);
this.proxy.connect().then(() => { // on success
this._initDefer.resolve(this);
}, (aReason) => { // on failure
let node = this.createMessageNode(CATEGORY_JS, SEVERITY_ERROR,
aReason.error + ": " + aReason.message);
this.outputMessage(CATEGORY_JS, node);
this._initDefer.reject(aReason);
}).then(() => {
let id = WebConsoleUtils.supportsString(this.hudId);
Services.obs.notifyObservers(id, "web-console-created", null);
});
return this._initDefer.promise;
},
/**
* Find the Web Console UI elements and setup event listeners as needed.
* @private
*/
_initUI: function WCF__initUI()
{
this.document = this.window.document;
this.rootElement = this.document.documentElement;
this._initDefaultFilterPrefs();
// Register the controller to handle "select all" properly.
this._commandController = new CommandController(this);
this.window.controllers.insertControllerAt(0, this._commandController);
this._contextMenuHandler = new ConsoleContextMenu(this);
let doc = this.document;
this.filterBox = doc.querySelector(".hud-filter-box");
this.outputNode = doc.getElementById("output-container");
this.completeNode = doc.querySelector(".jsterm-complete-node");
this.inputNode = doc.querySelector(".jsterm-input-node");
this._setFilterTextBoxEvents();
this._initFilterButtons();
let fontSize = this.owner._browserConsole ?
Services.prefs.getIntPref("devtools.webconsole.fontSize") : 0;
if (fontSize != 0) {
fontSize = Math.max(MIN_FONT_SIZE, fontSize);
this.outputNode.style.fontSize = fontSize + "px";
this.completeNode.style.fontSize = fontSize + "px";
this.inputNode.style.fontSize = fontSize + "px";
}
if (this.owner._browserConsole) {
for (let id of ["Enlarge", "Reduce", "Reset"]) {
this.document.getElementById("cmd_fullZoom" + id)
.removeAttribute("disabled");
}
}
let updateSaveBodiesPrefUI = (aElement) => {
this.getSaveRequestAndResponseBodies().then(aValue => {
aElement.setAttribute("checked", aValue);
this.emit("save-bodies-ui-toggled");
});
}
let reverseSaveBodiesPref = ({ target: aElement }) => {
this.getSaveRequestAndResponseBodies().then(aValue => {
this.setSaveRequestAndResponseBodies(!aValue);
aElement.setAttribute("checked", aValue);
this.emit("save-bodies-pref-reversed");
});
}
let saveBodies = doc.getElementById("saveBodies");
saveBodies.addEventListener("click", reverseSaveBodiesPref);
saveBodies.disabled = !this.getFilterState("networkinfo") &&
!this.getFilterState("network");
let saveBodiesContextMenu = doc.getElementById("saveBodiesContextMenu");
saveBodiesContextMenu.addEventListener("click", reverseSaveBodiesPref);
saveBodiesContextMenu.disabled = !this.getFilterState("networkinfo") &&
!this.getFilterState("network");
saveBodies.parentNode.addEventListener("popupshowing", () => {
updateSaveBodiesPrefUI(saveBodies);
saveBodies.disabled = !this.getFilterState("networkinfo") &&
!this.getFilterState("network");
});
saveBodiesContextMenu.parentNode.addEventListener("popupshowing", () => {
updateSaveBodiesPrefUI(saveBodiesContextMenu);
saveBodiesContextMenu.disabled = !this.getFilterState("networkinfo") &&
!this.getFilterState("network");
});
let clearButton = doc.getElementsByClassName("webconsole-clear-console-button")[0];
clearButton.addEventListener("command", () => {
this.owner._onClearButton();
this.jsterm.clearOutput(true);
});
this.jsterm = new JSTerm(this);
this.jsterm.init();
this.jsterm.inputNode.focus();
},
/**
* Initialize the default filter preferences.
* @private
*/
_initDefaultFilterPrefs: function WCF__initDefaultFilterPrefs()
{
let prefs = ["network", "networkinfo", "csserror", "cssparser", "exception",
"jswarn", "jslog", "error", "info", "warn", "log", "secerror",
"secwarn", "netwarn"];
for (let pref of prefs) {
this.filterPrefs[pref] = Services.prefs
.getBoolPref(this._filterPrefsPrefix + pref);
}
},
/**
* Sets the events for the filter input field.
* @private
*/
_setFilterTextBoxEvents: function WCF__setFilterTextBoxEvents()
{
let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
let timerEvent = this.adjustVisibilityOnSearchStringChange.bind(this);
let onChange = function _onChange() {
// To improve responsiveness, we let the user finish typing before we
// perform the search.
timer.cancel();
timer.initWithCallback(timerEvent, SEARCH_DELAY,
Ci.nsITimer.TYPE_ONE_SHOT);
};
this.filterBox.addEventListener("command", onChange, false);
this.filterBox.addEventListener("input", onChange, false);
},
/**
* Creates one of the filter buttons on the toolbar.
*
* @private
* @param nsIDOMNode aParent
* The node to which the filter button should be appended.
* @param object aDescriptor
* A descriptor that contains info about the button. Contains "name",
* "category", and "prefKey" properties, and optionally a "severities"
* property.
*/
_initFilterButtons: function WCF__initFilterButtons()
{
let categories = this.document
.querySelectorAll(".webconsole-filter-button[category]");
Array.forEach(categories, function(aButton) {
aButton.addEventListener("click", this._toggleFilter, false);
let someChecked = false;
let severities = aButton.querySelectorAll("menuitem[prefKey]");
Array.forEach(severities, function(aMenuItem) {
aMenuItem.addEventListener("command", this._toggleFilter, false);
let prefKey = aMenuItem.getAttribute("prefKey");
let checked = this.filterPrefs[prefKey];
aMenuItem.setAttribute("checked", checked);
someChecked = someChecked || checked;
}, this);
aButton.setAttribute("checked", someChecked);
}, this);
if (!this.owner._browserConsole) {
// The Browser Console displays nsIConsoleMessages which are messages that
// end up in the JS category, but they are not errors or warnings, they
// are just log messages. The Web Console does not show such messages.
let jslog = this.document.querySelector("menuitem[prefKey=jslog]");
jslog.hidden = true;
}
if (Services.appinfo.OS == "Darwin") {
let net = this.document.querySelector("toolbarbutton[category=net]");
let accesskey = net.getAttribute("accesskeyMacOSX");
net.setAttribute("accesskey", accesskey);
let logging = this.document.querySelector("toolbarbutton[category=logging]");
logging.removeAttribute("accesskey");
}
},
/**
* Increase, decrease or reset the font size.
*
* @param string size
* The size of the font change. Accepted values are "+" and "-".
* An unmatched size assumes a font reset.
*/
changeFontSize: function WCF_changeFontSize(aSize)
{
let fontSize = this.window
.getComputedStyle(this.outputNode, null)
.getPropertyValue("font-size").replace("px", "");
if (this.outputNode.style.fontSize) {
fontSize = this.outputNode.style.fontSize.replace("px", "");
}
if (aSize == "+" || aSize == "-") {
fontSize = parseInt(fontSize, 10);
if (aSize == "+") {
fontSize += 1;
}
else {
fontSize -= 1;
}
if (fontSize < MIN_FONT_SIZE) {
fontSize = MIN_FONT_SIZE;
}
Services.prefs.setIntPref("devtools.webconsole.fontSize", fontSize);
fontSize = fontSize + "px";
this.completeNode.style.fontSize = fontSize;
this.inputNode.style.fontSize = fontSize;
this.outputNode.style.fontSize = fontSize;
}
else {
this.completeNode.style.fontSize = "";
this.inputNode.style.fontSize = "";
this.outputNode.style.fontSize = "";
Services.prefs.clearUserPref("devtools.webconsole.fontSize");
}
},
/**
* The event handler that is called whenever a user switches a filter on or
* off.
*
* @private
* @param nsIDOMEvent aEvent
* The event that triggered the filter change.
*/
_toggleFilter: function WCF__toggleFilter(aEvent)
{
let target = aEvent.target;
let tagName = target.tagName;
if (tagName != aEvent.currentTarget.tagName) {
return;
}
switch (tagName) {
case "toolbarbutton": {
let originalTarget = aEvent.originalTarget;
let classes = originalTarget.classList;
if (originalTarget.localName !== "toolbarbutton") {
// Oddly enough, the click event is sent to the menu button when
// selecting a menu item with the mouse. Detect this case and bail
// out.
break;
}
if (!classes.contains("toolbarbutton-menubutton-button") &&
originalTarget.getAttribute("type") === "menu-button") {
// This is a filter button with a drop-down. The user clicked the
// drop-down, so do nothing. (The menu will automatically appear
// without our intervention.)
break;
}
let state = target.getAttribute("checked") !== "true";
target.setAttribute("checked", state);
// This is a filter button with a drop-down, and the user clicked the
// main part of the button. Go through all the severities and toggle
// their associated filters.
let menuItems = target.querySelectorAll("menuitem");
for (let i = 0; i < menuItems.length; i++) {
menuItems[i].setAttribute("checked", state);
let prefKey = menuItems[i].getAttribute("prefKey");
this.setFilterState(prefKey, state);
}
break;
}
case "menuitem": {
let state = target.getAttribute("checked") !== "true";
target.setAttribute("checked", state);
let prefKey = target.getAttribute("prefKey");
this.setFilterState(prefKey, state);
// Disable the log response and request body if network logging is off.
if (prefKey == "networkinfo" || prefKey == "network") {
let checkState = !this.getFilterState("networkinfo") &&
!this.getFilterState("network");
this.document.getElementById("saveBodies").disabled = checkState;
this.document.getElementById("saveBodiesContextMenu").disabled = checkState;
}
// Adjust the state of the button appropriately.
let menuPopup = target.parentNode;
let someChecked = false;
let menuItem = menuPopup.firstChild;
while (menuItem) {
if (menuItem.hasAttribute("prefKey") &&
menuItem.getAttribute("checked") === "true") {
someChecked = true;
break;
}
menuItem = menuItem.nextSibling;
}
let toolbarButton = menuPopup.parentNode;
toolbarButton.setAttribute("checked", someChecked);
break;
}
}
},
/**
* Set the filter state for a specific toggle button.
*
* @param string aToggleType
* @param boolean aState
* @returns void
*/
setFilterState: function WCF_setFilterState(aToggleType, aState)
{
this.filterPrefs[aToggleType] = aState;
this.adjustVisibilityForMessageType(aToggleType, aState);
Services.prefs.setBoolPref(this._filterPrefsPrefix + aToggleType, aState);
},
/**
* Get the filter state for a specific toggle button.
*
* @param string aToggleType
* @returns boolean
*/
getFilterState: function WCF_getFilterState(aToggleType)
{
return this.filterPrefs[aToggleType];
},
/**
* Check that the passed string matches the filter arguments.
*
* @param String aString
* to search for filter words in.
* @param String aFilter
* is a string containing all of the words to filter on.
* @returns boolean
*/
stringMatchesFilters: function WCF_stringMatchesFilters(aString, aFilter)
{
if (!aFilter || !aString) {
return true;
}
let searchStr = aString.toLowerCase();
let filterStrings = aFilter.toLowerCase().split(/\s+/);
return !filterStrings.some(function (f) {
return searchStr.indexOf(f) == -1;
});
},
/**
* Turns the display of log nodes on and off appropriately to reflect the
* adjustment of the message type filter named by @aPrefKey.
*
* @param string aPrefKey
* The preference key for the message type being filtered: one of the
* values in the MESSAGE_PREFERENCE_KEYS table.
* @param boolean aState
* True if the filter named by @aMessageType is being turned on; false
* otherwise.
* @returns void
*/
adjustVisibilityForMessageType:
function WCF_adjustVisibilityForMessageType(aPrefKey, aState)
{
let outputNode = this.outputNode;
let doc = this.document;
// Look for message nodes (".message") with the given preference key
// (filter="error", filter="cssparser", etc.) and add or remove the
// "filtered-by-type" class, which turns on or off the display.
let xpath = ".//*[contains(@class, 'message') and " +
"@filter='" + aPrefKey + "']";
let result = doc.evaluate(xpath, outputNode, null,
Ci.nsIDOMXPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
for (let i = 0; i < result.snapshotLength; i++) {
let node = result.snapshotItem(i);
if (aState) {
node.classList.remove("filtered-by-type");
}
else {
node.classList.add("filtered-by-type");
}
}
},
/**
* Turns the display of log nodes on and off appropriately to reflect the
* adjustment of the search string.
*/
adjustVisibilityOnSearchStringChange:
function WCF_adjustVisibilityOnSearchStringChange()
{
let nodes = this.outputNode.getElementsByClassName("message");
let searchString = this.filterBox.value;
for (let i = 0, n = nodes.length; i < n; ++i) {
let node = nodes[i];
// hide nodes that match the strings
let text = node.clipboardText;
// if the text matches the words in aSearchString...
if (this.stringMatchesFilters(text, searchString)) {
node.classList.remove("filtered-by-string");
}
else {
node.classList.add("filtered-by-string");
}
}
},
/**
* Applies the user's filters to a newly-created message node via CSS
* classes.
*
* @param nsIDOMNode aNode
* The newly-created message node.
* @return boolean
* True if the message was filtered or false otherwise.
*/
filterMessageNode: function WCF_filterMessageNode(aNode)
{
let isFiltered = false;
// Filter by the message type.
let prefKey = MESSAGE_PREFERENCE_KEYS[aNode.category][aNode.severity];
if (prefKey && !this.getFilterState(prefKey)) {
// The node is filtered by type.
aNode.classList.add("filtered-by-type");
isFiltered = true;
}
// Filter on the search string.
let search = this.filterBox.value;
let text = aNode.clipboardText;
// if string matches the filter text
if (!this.stringMatchesFilters(text, search)) {
aNode.classList.add("filtered-by-string");
isFiltered = true;
}
if (isFiltered && aNode.classList.contains("inlined-variables-view")) {
aNode.classList.add("hidden-message");
}
return isFiltered;
},
/**
* Merge the attributes of the two nodes that are about to be filtered.
* Increment the number of repeats of aOriginal.
*
* @param nsIDOMNode aOriginal
* The Original Node. The one being merged into.
* @param nsIDOMNode aFiltered
* The node being filtered out because it is repeated.
*/
mergeFilteredMessageNode:
function WCF_mergeFilteredMessageNode(aOriginal, aFiltered)
{
let repeatNode = aOriginal.getElementsByClassName("repeats")[0];
if (!repeatNode) {
return; // no repeat node, return early.
}
let occurrences = parseInt(repeatNode.getAttribute("value")) + 1;
repeatNode.setAttribute("value", occurrences);
repeatNode.textContent = occurrences;
let str = l10n.getStr("messageRepeats.tooltip2");
repeatNode.title = PluralForm.get(occurrences, str)
.replace("#1", occurrences);
},
/**
* Filter the message node from the output if it is a repeat.
*
* @private
* @param nsIDOMNode aNode
* The message node to be filtered or not.
* @returns nsIDOMNode|null
* Returns the duplicate node if the message was filtered, null
* otherwise.
*/
_filterRepeatedMessage: function WCF__filterRepeatedMessage(aNode)
{
let repeatNode = aNode.getElementsByClassName("repeats")[0];
if (!repeatNode) {
return null;
}
let uid = repeatNode._uid;
let dupeNode = null;
if (aNode.category == CATEGORY_CSS ||
aNode.category == CATEGORY_SECURITY) {
dupeNode = this._repeatNodes[uid];
if (!dupeNode) {
this._repeatNodes[uid] = aNode;
}
}
else if ((aNode.category == CATEGORY_WEBDEV ||
aNode.category == CATEGORY_JS) &&
aNode.category != CATEGORY_NETWORK &&
!aNode.classList.contains("inlined-variables-view")) {
let lastMessage = this.outputNode.lastChild;
if (!lastMessage) {
return null;
}
let lastRepeatNode = lastMessage.getElementsByClassName("repeats")[0];
if (lastRepeatNode && lastRepeatNode._uid == uid) {
dupeNode = lastMessage;
}
}
if (dupeNode) {
this.mergeFilteredMessageNode(dupeNode, aNode);
return dupeNode;
}
return null;
},
/**
* Display cached messages that may have been collected before the UI is
* displayed.
*
* @param array aRemoteMessages
* Array of cached messages coming from the remote Web Console
* content instance.
*/
displayCachedMessages: function WCF_displayCachedMessages(aRemoteMessages)
{
if (!aRemoteMessages.length) {
return;
}
aRemoteMessages.forEach(function(aMessage) {
switch (aMessage._type) {
case "PageError": {
let category = Utils.categoryForScriptError(aMessage);
this.outputMessage(category, this.reportPageError,
[category, aMessage]);
break;
}
case "LogMessage":
this.handleLogMessage(aMessage);
break;
case "ConsoleAPI":
this.outputMessage(CATEGORY_WEBDEV, this.logConsoleAPIMessage,
[aMessage]);
break;
}
}, this);
},
/**
* Logs a message to the Web Console that originates from the Web Console
* server.
*
* @param object aMessage
* The message received from the server.
* @return nsIDOMElement|null
* The message element to display in the Web Console output.
*/
logConsoleAPIMessage: function WCF_logConsoleAPIMessage(aMessage)
{
let body = null;
let clipboardText = null;
let sourceURL = aMessage.filename;
let sourceLine = aMessage.lineNumber;
let level = aMessage.level;
let args = aMessage.arguments;
let objectActors = new Set();
// Gather the actor IDs.
args.forEach((aValue) => {
if (WebConsoleUtils.isActorGrip(aValue)) {
objectActors.add(aValue.actor);
}
});
switch (level) {
case "log":
case "info":
case "warn":
case "error":
case "debug":
case "dir": {
body = { arguments: args };
let clipboardArray = [];
args.forEach((aValue) => {
clipboardArray.push(VariablesView.getString(aValue));
if (aValue && typeof aValue == "object" &&
aValue.type == "longString") {
clipboardArray.push(l10n.getStr("longStringEllipsis"));
}
});
clipboardText = clipboardArray.join(" ");
break;
}
case "trace": {
let filename = WebConsoleUtils.abbreviateSourceURL(aMessage.filename);
let functionName = aMessage.functionName ||
l10n.getStr("stacktrace.anonymousFunction");
body = this.document.createElementNS(XHTML_NS, "a");
body.setAttribute("aria-haspopup", true);
body.href = "#";
body.draggable = false;
body.textContent = l10n.getFormatStr("stacktrace.outputMessage",
[filename, functionName,
sourceLine]);
this._addMessageLinkCallback(body, () => {
this.jsterm.openVariablesView({
rawObject: aMessage.stacktrace,
autofocus: true,
});
});
clipboardText = body.textContent + "\n";
aMessage.stacktrace.forEach(function(aFrame) {
clipboardText += aFrame.filename + " :: " +
aFrame.functionName + " :: " +
aFrame.lineNumber + "\n";
});
clipboardText = clipboardText.trimRight();
break;
}
case "group":
case "groupCollapsed":
clipboardText = body = aMessage.groupName;
this.groupDepth++;
break;
case "groupEnd":
if (this.groupDepth > 0) {
this.groupDepth--;
}
break;
case "time": {
let timer = aMessage.timer;
if (!timer) {
return null;
}
if (timer.error) {
Cu.reportError(l10n.getStr(timer.error));
return null;
}
body = l10n.getFormatStr("timerStarted", [timer.name]);
clipboardText = body;
break;
}
case "timeEnd": {
let timer = aMessage.timer;
if (!timer) {
return null;
}
let duration = Math.round(timer.duration * 100) / 100;
body = l10n.getFormatStr("timeEnd", [timer.name, duration]);
clipboardText = body;
break;
}
default:
Cu.reportError("Unknown Console API log level: " + level);
return null;
}
// Release object actors for arguments coming from console API methods that
// we ignore their arguments.
switch (level) {
case "group":
case "groupCollapsed":
case "groupEnd":
case "trace":
case "time":
case "timeEnd":
for (let actor of objectActors) {
this._releaseObject(actor);
}
objectActors.clear();
}
if (level == "groupEnd") {
return null; // no need to continue
}
let node = this.createMessageNode(CATEGORY_WEBDEV, LEVELS[level], body,
sourceURL, sourceLine, clipboardText,
level, aMessage.timeStamp);
if (aMessage.private) {
node.setAttribute("private", true);
}
if (objectActors.size > 0) {
node._objectActors = objectActors;
let repeatNode = node.getElementsByClassName("repeats")[0];
repeatNode._uid += [...objectActors].join("-");
}
if (level == "trace") {
node._stacktrace = aMessage.stacktrace;
}
return node;
},
/**
* Handle ConsoleAPICall objects received from the server. This method outputs
* the window.console API call.
*
* @param object aMessage
* The console API message received from the server.
*/
handleConsoleAPICall: function WCF_handleConsoleAPICall(aMessage)
{
this.outputMessage(CATEGORY_WEBDEV, this.logConsoleAPIMessage, [aMessage]);
},
/**
* The click event handler for objects shown inline coming from the
* window.console API.
*
* @private
* @param nsIDOMNode aAnchor
* The object inspector anchor element. This is the clickable element
* in the console.log message we display.
* @param object aObjectActor
* The object actor grip.
*/
_consoleLogClick: function WCF__consoleLogClick(aAnchor, aObjectActor)
{
this.jsterm.openVariablesView({
label: aAnchor.textContent,
objectActor: aObjectActor,
autofocus: true,
});
},
/**
* Reports an error in the page source, either JavaScript or CSS.
*
* @param nsIScriptError aScriptError
* The error message to report.
* @return nsIDOMElement|undefined
* The message element to display in the Web Console output.
*/
reportPageError: function WCF_reportPageError(aCategory, aScriptError)
{
// Warnings and legacy strict errors become warnings; other types become
// errors.
let severity = SEVERITY_ERROR;
if (aScriptError.warning || aScriptError.strict) {
severity = SEVERITY_WARNING;
}
let objectActors = new Set();
// Gather the actor IDs.
for (let prop of ["errorMessage", "lineText"]) {
let grip = aScriptError[prop];
if (WebConsoleUtils.isActorGrip(grip)) {
objectActors.add(grip.actor);
}
}
let errorMessage = aScriptError.errorMessage;
if (errorMessage.type && errorMessage.type == "longString") {
errorMessage = errorMessage.initial;
}
let node = this.createMessageNode(aCategory, severity,
errorMessage,
aScriptError.sourceName,
aScriptError.lineNumber, null, null,
aScriptError.timeStamp);
// Select the body of the message node that is displayed in the console
let msgBody = node.getElementsByClassName("body")[0];
// Add the more info link node to messages that belong to certain categories
this.addMoreInfoLink(msgBody, aScriptError);
if (aScriptError.private) {
node.setAttribute("private", true);
}
if (objectActors.size > 0) {
node._objectActors = objectActors;
}
return node;
},
/**
* Handle PageError objects received from the server. This method outputs the
* given error.
*
* @param nsIScriptError aPageError
* The error received from the server.
*/
handlePageError: function WCF_handlePageError(aPageError)
{
let category = Utils.categoryForScriptError(aPageError);
this.outputMessage(category, this.reportPageError, [category, aPageError]);
},
/**
* Handle log messages received from the server. This method outputs the given
* message.
*
* @param object aPacket
* The message packet received from the server.
*/
handleLogMessage: function WCF_handleLogMessage(aPacket)
{
if (aPacket.message) {
this.outputMessage(CATEGORY_JS, this._reportLogMessage, [aPacket]);
}
},
/**
* Display log messages received from the server.
*
* @private
* @param object aPacket
* The message packet received from the server.
* @return nsIDOMElement
* The message element to render for the given log message.
*/
_reportLogMessage: function WCF__reportLogMessage(aPacket)
{
let msg = aPacket.message;
if (msg.type && msg.type == "longString") {
msg = msg.initial;
}
let node = this.createMessageNode(CATEGORY_JS, SEVERITY_LOG, msg, null,
null, null, null, aPacket.timeStamp);
if (WebConsoleUtils.isActorGrip(aPacket.message)) {
node._objectActors = new Set([aPacket.message.actor]);
}
return node;
},
/**
* Log network event.
*
* @param object aActorId
* The network event actor ID to log.
* @return nsIDOMElement|null
* The message element to display in the Web Console output.
*/
logNetEvent: function WCF_logNetEvent(aActorId)
{
let networkInfo = this._networkRequests[aActorId];
if (!networkInfo) {
return null;
}
let request = networkInfo.request;
let clipboardText = request.method + " " + request.url;
let severity = SEVERITY_LOG;
let mixedRequest =
WebConsoleUtils.isMixedHTTPSRequest(request.url, this.contentLocation);
if (mixedRequest) {
severity = SEVERITY_WARNING;
}
let methodNode = this.document.createElementNS(XHTML_NS, "span");
methodNode.className = "method";
methodNode.textContent = request.method + " ";
let messageNode = this.createMessageNode(CATEGORY_NETWORK, severity,
methodNode, null, null,
clipboardText);
if (networkInfo.private) {
messageNode.setAttribute("private", true);
}
messageNode._connectionId = aActorId;
messageNode.url = request.url;
let body = methodNode.parentNode;
body.setAttribute("aria-haspopup", true);
let displayUrl = request.url;
let pos = displayUrl.indexOf("?");
if (pos > -1) {
displayUrl = displayUrl.substr(0, pos);
}
let urlNode = this.document.createElementNS(XHTML_NS, "a");
urlNode.className = "url";
urlNode.setAttribute("title", request.url);
urlNode.href = request.url;
urlNode.textContent = displayUrl;
urlNode.draggable = false;
body.appendChild(urlNode);
body.appendChild(this.document.createTextNode(" "));
if (mixedRequest) {
messageNode.classList.add("mixed-content");
this.makeMixedContentNode(body);
}
let statusNode = this.document.createElementNS(XHTML_NS, "a");
statusNode.className = "status";
body.appendChild(statusNode);
let onClick = () => {
if (!messageNode._panelOpen) {
this.openNetworkPanel(messageNode, networkInfo);
}
};
this._addMessageLinkCallback(urlNode, onClick);
this._addMessageLinkCallback(statusNode, onClick);
networkInfo.node = messageNode;
this._updateNetMessage(aActorId);
return messageNode;
},
/**
* Create a mixed content warning Node.
*
* @param aLinkNode
* Parent to the requested urlNode.
*/
makeMixedContentNode: function WCF_makeMixedContentNode(aLinkNode)
{
let mixedContentWarning = "[" + l10n.getStr("webConsoleMixedContentWarning") + "]";
// Mixed content warning message links to a Learn More page
let mixedContentWarningNode = this.document.createElementNS(XHTML_NS, "a");
mixedContentWarningNode.title = MIXED_CONTENT_LEARN_MORE;
mixedContentWarningNode.href = MIXED_CONTENT_LEARN_MORE;
mixedContentWarningNode.className = "learn-more-link";
mixedContentWarningNode.textContent = mixedContentWarning;
mixedContentWarningNode.draggable = false;
aLinkNode.appendChild(mixedContentWarningNode);
this._addMessageLinkCallback(mixedContentWarningNode, (aNode, aEvent) => {
aEvent.stopPropagation();
this.owner.openLink(MIXED_CONTENT_LEARN_MORE);
});
},
/**
* Adds a more info link node to messages based on the nsIScriptError object
* that we need to report to the console
*
* @param aNode
* The node to which we will be adding the more info link node
* @param aScriptError
* The script error object that we are reporting to the console
*/
addMoreInfoLink: function WCF_addMoreInfoLink(aNode, aScriptError)
{
let url;
switch (aScriptError.category) {
case "Insecure Password Field":
url = INSECURE_PASSWORDS_LEARN_MORE;
break;
case "Mixed Content Message":
case "Mixed Content Blocker":
url = MIXED_CONTENT_LEARN_MORE;
break;
case "Invalid HSTS Headers":
url = STRICT_TRANSPORT_SECURITY_LEARN_MORE;
break;
default:
// Unknown category. Return without adding more info node.
return;
}
this.addLearnMoreWarningNode(aNode, url);
},
/*
* Appends a clickable warning node to the node passed
* as a parameter to the function. When a user clicks on the appended
* warning node, the browser navigates to the provided url.
*
* @param aNode
* The node to which we will be adding a clickable warning node.
* @param aURL
* The url which points to the page where the user can learn more
* about security issues associated with the specific message that's
* being logged.
*/
addLearnMoreWarningNode:
function WCF_addLearnMoreWarningNode(aNode, aURL)
{
let moreInfoLabel = "[" + l10n.getStr("webConsoleMoreInfoLabel") + "]";
let warningNode = this.document.createElementNS(XHTML_NS, "a");
warningNode.title = aURL;
warningNode.href = aURL;
warningNode.draggable = false;
warningNode.textContent = moreInfoLabel;
warningNode.className = "learn-more-link";
this._addMessageLinkCallback(warningNode, (aNode, aEvent) => {
aEvent.stopPropagation();
this.owner.openLink(aURL);
});
aNode.appendChild(warningNode);
},
/**
* Log file activity.
*
* @param string aFileURI
* The file URI that was loaded.
* @return nsIDOMElement|undefined
* The message element to display in the Web Console output.
*/
logFileActivity: function WCF_logFileActivity(aFileURI)
{
let urlNode = this.document.createElementNS(XHTML_NS, "a");
urlNode.setAttribute("title", aFileURI);
urlNode.className = "url";
urlNode.textContent = aFileURI;
urlNode.draggable = false;
urlNode.href = aFileURI;
let outputNode = this.createMessageNode(CATEGORY_NETWORK, SEVERITY_LOG,
urlNode, null, null, aFileURI);
this._addMessageLinkCallback(urlNode, () => {
this.owner.viewSource(aFileURI);
});
return outputNode;
},
/**
* Handle the file activity messages coming from the remote Web Console.
*
* @param string aFileURI
* The file URI that was requested.
*/
handleFileActivity: function WCF_handleFileActivity(aFileURI)
{
this.outputMessage(CATEGORY_NETWORK, this.logFileActivity, [aFileURI]);
},
/**
* Inform user that the window.console API has been replaced by a script
* in a content page.
*/
logWarningAboutReplacedAPI: function WCF_logWarningAboutReplacedAPI()
{
let node = this.createMessageNode(CATEGORY_JS, SEVERITY_WARNING,
l10n.getStr("ConsoleAPIDisabled"));
this.outputMessage(CATEGORY_JS, node);
},
/**
* Inform user that the string he tries to view is too long.
*/
logWarningAboutStringTooLong: function WCF_logWarningAboutStringTooLong()
{
let node = this.createMessageNode(CATEGORY_JS, SEVERITY_WARNING,
l10n.getStr("longStringTooLong"));
this.outputMessage(CATEGORY_JS, node);
},
/**
* Handle the network events coming from the remote Web Console.
*
* @param object aActor
* The NetworkEventActor grip.
*/
handleNetworkEvent: function WCF_handleNetworkEvent(aActor)
{
let networkInfo = {
node: null,
actor: aActor.actor,
discardRequestBody: true,
discardResponseBody: true,
startedDateTime: aActor.startedDateTime,
request: {
url: aActor.url,
method: aActor.method,
},
response: {},
timings: {},
updates: [], // track the list of network event updates
private: aActor.private,
};
this._networkRequests[aActor.actor] = networkInfo;
this.outputMessage(CATEGORY_NETWORK, this.logNetEvent, [aActor.actor]);
},
/**
* Handle network event updates coming from the server.
*
* @param string aActorId
* The network event actor ID.
* @param string aType
* Update type.
* @param object aPacket
* Update details.
*/
handleNetworkEventUpdate:
function WCF_handleNetworkEventUpdate(aActorId, aType, aPacket)
{
let networkInfo = this._networkRequests[aActorId];
if (!networkInfo) {
return;
}
networkInfo.updates.push(aType);
switch (aType) {
case "requestHeaders":
networkInfo.request.headersSize = aPacket.headersSize;
break;
case "requestPostData":
networkInfo.discardRequestBody = aPacket.discardRequestBody;
networkInfo.request.bodySize = aPacket.dataSize;
break;
case "responseStart":
networkInfo.response.httpVersion = aPacket.response.httpVersion;
networkInfo.response.status = aPacket.response.status;
networkInfo.response.statusText = aPacket.response.statusText;
networkInfo.response.headersSize = aPacket.response.headersSize;
networkInfo.discardResponseBody = aPacket.response.discardResponseBody;
break;
case "responseContent":
networkInfo.response.content = {
mimeType: aPacket.mimeType,
};
networkInfo.response.bodySize = aPacket.contentSize;
networkInfo.discardResponseBody = aPacket.discardResponseBody;
break;
case "eventTimings":
networkInfo.totalTime = aPacket.totalTime;
break;
}
if (networkInfo.node && this._updateNetMessage(aActorId)) {
this.emit("messages-updated", new Set([networkInfo.node]));
}
// For unit tests we pass the HTTP activity object to the test callback,
// once requests complete.
if (this.owner.lastFinishedRequestCallback &&
networkInfo.updates.indexOf("responseContent") > -1 &&
networkInfo.updates.indexOf("eventTimings") > -1) {
this.owner.lastFinishedRequestCallback(networkInfo, this);
}
},
/**
* Update an output message to reflect the latest state of a network request,
* given a network event actor ID.
*
* @private
* @param string aActorId
* The network event actor ID for which you want to update the message.
* @return boolean
* |true| if the message node was updated, or |false| otherwise.
*/
_updateNetMessage: function WCF__updateNetMessage(aActorId)
{
let networkInfo = this._networkRequests[aActorId];
if (!networkInfo || !networkInfo.node) {
return;
}
let messageNode = networkInfo.node;
let updates = networkInfo.updates;
let hasEventTimings = updates.indexOf("eventTimings") > -1;
let hasResponseStart = updates.indexOf("responseStart") > -1;
let request = networkInfo.request;
let response = networkInfo.response;
let updated = false;
if (hasEventTimings || hasResponseStart) {
let status = [];
if (response.httpVersion && response.status) {
status = [response.httpVersion, response.status, response.statusText];
}
if (hasEventTimings) {
status.push(l10n.getFormatStr("NetworkPanel.durationMS",
[networkInfo.totalTime]));
}
let statusText = "[" + status.join(" ") + "]";
let statusNode = messageNode.getElementsByClassName("status")[0];
statusNode.textContent = statusText;
messageNode.clipboardText = [request.method, request.url, statusText]
.join(" ");
if (hasResponseStart && response.status >= MIN_HTTP_ERROR_CODE &&
response.status <= MAX_HTTP_ERROR_CODE) {
this.setMessageType(messageNode, CATEGORY_NETWORK, SEVERITY_ERROR);
}
updated = true;
}
if (messageNode._netPanel) {
messageNode._netPanel.update();
}
return updated;
},
/**
* Opens a NetworkPanel.
*
* @param nsIDOMNode aNode
* The message node you want the panel to be anchored to.
* @param object aHttpActivity
* The HTTP activity object that holds network request and response
* information. This object is given to the NetworkPanel constructor.
* @return object
* The new NetworkPanel instance.
*/
openNetworkPanel: function WCF_openNetworkPanel(aNode, aHttpActivity)
{
let actor = aHttpActivity.actor;
if (actor) {
this.webConsoleClient.getRequestHeaders(actor, function(aResponse) {
if (aResponse.error) {
Cu.reportError("WCF_openNetworkPanel getRequestHeaders:" +
aResponse.error);
return;
}
aHttpActivity.request.headers = aResponse.headers;
this.webConsoleClient.getRequestCookies(actor, onRequestCookies);
}.bind(this));
}
let onRequestCookies = function(aResponse) {
if (aResponse.error) {
Cu.reportError("WCF_openNetworkPanel getRequestCookies:" +
aResponse.error);
return;
}
aHttpActivity.request.cookies = aResponse.cookies;
this.webConsoleClient.getResponseHeaders(actor, onResponseHeaders);
}.bind(this);
let onResponseHeaders = function(aResponse) {
if (aResponse.error) {
Cu.reportError("WCF_openNetworkPanel getResponseHeaders:" +
aResponse.error);
return;
}
aHttpActivity.response.headers = aResponse.headers;
this.webConsoleClient.getResponseCookies(actor, onResponseCookies);
}.bind(this);
let onResponseCookies = function(aResponse) {
if (aResponse.error) {
Cu.reportError("WCF_openNetworkPanel getResponseCookies:" +
aResponse.error);
return;
}
aHttpActivity.response.cookies = aResponse.cookies;
this.webConsoleClient.getRequestPostData(actor, onRequestPostData);
}.bind(this);
let onRequestPostData = function(aResponse) {
if (aResponse.error) {
Cu.reportError("WCF_openNetworkPanel getRequestPostData:" +
aResponse.error);
return;
}
aHttpActivity.request.postData = aResponse.postData;
aHttpActivity.discardRequestBody = aResponse.postDataDiscarded;
this.webConsoleClient.getResponseContent(actor, onResponseContent);
}.bind(this);
let onResponseContent = function(aResponse) {
if (aResponse.error) {
Cu.reportError("WCF_openNetworkPanel getResponseContent:" +
aResponse.error);
return;
}
aHttpActivity.response.content = aResponse.content;
aHttpActivity.discardResponseBody = aResponse.contentDiscarded;
this.webConsoleClient.getEventTimings(actor, onEventTimings);
}.bind(this);
let onEventTimings = function(aResponse) {
if (aResponse.error) {
Cu.reportError("WCF_openNetworkPanel getEventTimings:" +
aResponse.error);
return;
}
aHttpActivity.timings = aResponse.timings;
openPanel();
}.bind(this);
let openPanel = function() {
aNode._netPanel = netPanel;
let panel = netPanel.panel;
panel.openPopup(aNode, "after_pointer", 0, 0, false, false);
panel.sizeTo(450, 500);
panel.setAttribute("hudId", this.hudId);
panel.addEventListener("popuphiding", function WCF_netPanel_onHide() {
panel.removeEventListener("popuphiding", WCF_netPanel_onHide);
aNode._panelOpen = false;
aNode._netPanel = null;
});
aNode._panelOpen = true;
}.bind(this);
let netPanel = new NetworkPanel(this.popupset, aHttpActivity, this);
netPanel.linkNode = aNode;
if (!actor) {
openPanel();
}
return netPanel;
},
/**
* Handler for page location changes.
*
* @param string aURI
* New page location.
* @param string aTitle
* New page title.
*/
onLocationChange: function WCF_onLocationChange(aURI, aTitle)
{
this.contentLocation = aURI;
if (this.owner.onLocationChange) {
this.owner.onLocationChange(aURI, aTitle);
}
},
/**
* Handler for the tabNavigated notification.
*
* @param string aEvent
* Event name.
* @param object aPacket
* Notification packet received from the server.
*/
handleTabNavigated: function WCF_handleTabNavigated(aEvent, aPacket)
{
if (aEvent == "will-navigate") {
if (this.persistLog) {
let marker = new Messages.NavigationMarker(aPacket.url, Date.now());
this.output.addMessage(marker);
}
else {
this.jsterm.clearOutput();
}
}
if (aPacket.url) {
this.onLocationChange(aPacket.url, aPacket.title);
}
if (aEvent == "navigate" && !aPacket.nativeConsoleAPI) {
this.logWarningAboutReplacedAPI();
}
},
/**
* Output a message node. This filters a node appropriately, then sends it to
* the output, regrouping and pruning output as necessary.
*
* Note: this call is async - the given message node may not be displayed when
* you call this method.
*
* @param integer aCategory
* The category of the message you want to output. See the CATEGORY_*
* constants.
* @param function|nsIDOMElement aMethodOrNode
* The method that creates the message element to send to the output or
* the actual element. If a method is given it will be bound to the HUD
* object and the arguments will be |aArguments|.
* @param array [aArguments]
* If a method is given to output the message element then the method
* will be invoked with the list of arguments given here.
*/
outputMessage: function WCF_outputMessage(aCategory, aMethodOrNode, aArguments)
{
if (!this._outputQueue.length) {
// If the queue is empty we consider that now was the last output flush.
// This avoid an immediate output flush when the timer executes.
this._lastOutputFlush = Date.now();
}
this._outputQueue.push([aCategory, aMethodOrNode, aArguments]);
if (!this._outputTimerInitialized) {
this._initOutputTimer();
}
},
/**
* Try to flush the output message queue. This takes the messages in the
* output queue and displays them. Outputting stops at MESSAGES_IN_INTERVAL.
* Further output is queued to happen later - see OUTPUT_INTERVAL.
*
* @private
*/
_flushMessageQueue: function WCF__flushMessageQueue()
{
if (!this._outputTimer) {
return;
}
let timeSinceFlush = Date.now() - this._lastOutputFlush;
if (this._outputQueue.length > MESSAGES_IN_INTERVAL &&
timeSinceFlush < THROTTLE_UPDATES) {
this._initOutputTimer();
return;
}
// Determine how many messages we can display now.
let toDisplay = Math.min(this._outputQueue.length, MESSAGES_IN_INTERVAL);
if (toDisplay < 1) {
this._outputTimerInitialized = false;
return;
}
// Try to prune the message queue.
let shouldPrune = false;
if (this._outputQueue.length > toDisplay && this._pruneOutputQueue()) {
toDisplay = Math.min(this._outputQueue.length, toDisplay);
shouldPrune = true;
}
let batch = this._outputQueue.splice(0, toDisplay);
if (!batch.length) {
this._outputTimerInitialized = false;
return;
}
let outputNode = this.outputNode;
let lastVisibleNode = null;
let scrollNode = outputNode.parentNode;
let scrolledToBottom = Utils.isOutputScrolledToBottom(outputNode);
let hudIdSupportsString = WebConsoleUtils.supportsString(this.hudId);
// Output the current batch of messages.
let newMessages = new Set();
let updatedMessages = new Set();
for (let item of batch) {
let result = this._outputMessageFromQueue(hudIdSupportsString, item);
if (result) {
if (result.isRepeated) {
updatedMessages.add(result.isRepeated);
}
else {
newMessages.add(result.node);
}
if (result.visible && result.node == this.outputNode.lastChild) {
lastVisibleNode = result.node;
}
}
}
let oldScrollHeight = 0;
// Prune messages if needed. We do not do this for every flush call to
// improve performance.
let removedNodes = 0;
if (shouldPrune || !this._outputQueue.length) {
oldScrollHeight = scrollNode.scrollHeight;
let categories = Object.keys(this._pruneCategoriesQueue);
categories.forEach(function _pruneOutput(aCategory) {
removedNodes += this.pruneOutputIfNecessary(aCategory);
}, this);
this._pruneCategoriesQueue = {};
}
let isInputOutput = lastVisibleNode &&
(lastVisibleNode.category == CATEGORY_INPUT ||
lastVisibleNode.category == CATEGORY_OUTPUT);
// Scroll to the new node if it is not filtered, and if the output node is
// scrolled at the bottom or if the new node is a jsterm input/output
// message.
if (lastVisibleNode && (scrolledToBottom || isInputOutput)) {
Utils.scrollToVisible(lastVisibleNode);
}
else if (!scrolledToBottom && removedNodes > 0 &&
oldScrollHeight != scrollNode.scrollHeight) {
// If there were pruned messages and if scroll is not at the bottom, then
// we need to adjust the scroll location.
scrollNode.scrollTop -= oldScrollHeight - scrollNode.scrollHeight;
}
if (newMessages.size) {
this.emit("messages-added", newMessages);
}
if (updatedMessages.size) {
this.emit("messages-updated", updatedMessages);
}
// If the queue is not empty, schedule another flush.
if (this._outputQueue.length > 0) {
this._initOutputTimer();
}
else {
this._outputTimerInitialized = false;
if (this._flushCallback) {
try {
this._flushCallback();
}
catch (ex) {
console.error(ex);
}
}
}
this._lastOutputFlush = Date.now();
},
/**
* Initialize the output timer.
* @private
*/
_initOutputTimer: function WCF__initOutputTimer()
{
if (!this._outputTimer) {
return;
}
this._outputTimerInitialized = true;
this._outputTimer.initWithCallback(this._flushMessageQueue,
OUTPUT_INTERVAL,
Ci.nsITimer.TYPE_ONE_SHOT);
},
/**
* Output a message from the queue.
*
* @private
* @param nsISupportsString aHudIdSupportsString
* The HUD ID as an nsISupportsString.
* @param array aItem
* An item from the output queue - this item represents a message.
* @return object
* An object that holds the following properties:
* - node: the DOM element of the message.
* - isRepeated: the DOM element of the original message, if this is
* a repeated message, otherwise null.
* - visible: boolean that tells if the message is visible.
*/
_outputMessageFromQueue:
function WCF__outputMessageFromQueue(aHudIdSupportsString, aItem)
{
let [category, methodOrNode, args] = aItem;
let node = typeof methodOrNode == "function" ?
methodOrNode.apply(this, args || []) :
methodOrNode;
if (!node) {
return null;
}
let afterNode = node._outputAfterNode;
if (afterNode) {
delete node._outputAfterNode;
}
let isFiltered = this.filterMessageNode(node);
let isRepeated = this._filterRepeatedMessage(node);
let visible = !isRepeated && !isFiltered;
if (!isRepeated) {
this.outputNode.insertBefore(node,
afterNode ? afterNode.nextSibling : null);
this._pruneCategoriesQueue[node.category] = true;
let nodeID = node.getAttribute("id");
Services.obs.notifyObservers(aHudIdSupportsString,
"web-console-message-created", nodeID);
}
if (node._onOutput) {
node._onOutput();
delete node._onOutput;
}
return {
visible: visible,
node: node,
isRepeated: isRepeated,
};
},
/**
* Prune the queue of messages to display. This avoids displaying messages
* that will be removed at the end of the queue anyway.
* @private
*/
_pruneOutputQueue: function WCF__pruneOutputQueue()
{
let nodes = {};
// Group the messages per category.
this._outputQueue.forEach(function(aItem, aIndex) {
let [category] = aItem;
if (!(category in nodes)) {
nodes[category] = [];
}
nodes[category].push(aIndex);
}, this);
let pruned = 0;
// Loop through the categories we found and prune if needed.
for (let category in nodes) {
let limit = Utils.logLimitForCategory(category);
let indexes = nodes[category];
if (indexes.length > limit) {
let n = Math.max(0, indexes.length - limit);
pruned += n;
for (let i = n - 1; i >= 0; i--) {
this._pruneItemFromQueue(this._outputQueue[indexes[i]]);
this._outputQueue.splice(indexes[i], 1);
}
}
}
return pruned;
},
/**
* Prune an item from the output queue.
*
* @private
* @param array aItem
* The item you want to remove from the output queue.
*/
_pruneItemFromQueue: function WCF__pruneItemFromQueue(aItem)
{
let [category, methodOrNode, args] = aItem;
if (typeof methodOrNode != "function" && methodOrNode._objectActors) {
for (let actor of methodOrNode._objectActors) {
this._releaseObject(actor);
}
methodOrNode._objectActors.clear();
}
if (category == CATEGORY_NETWORK) {
let connectionId = null;
if (methodOrNode == this.logNetEvent) {
connectionId = args[0];
}
else if (typeof methodOrNode != "function") {
connectionId = methodOrNode._connectionId;
}
if (connectionId && connectionId in this._networkRequests) {
delete this._networkRequests[connectionId];
this._releaseObject(connectionId);
}
}
else if (category == CATEGORY_WEBDEV &&
methodOrNode == this.logConsoleAPIMessage) {
args[0].arguments.forEach((aValue) => {
if (WebConsoleUtils.isActorGrip(aValue)) {
this._releaseObject(aValue.actor);
}
});
}
else if (category == CATEGORY_JS &&
methodOrNode == this.reportPageError) {
let pageError = args[1];
for (let prop of ["errorMessage", "lineText"]) {
let grip = pageError[prop];
if (WebConsoleUtils.isActorGrip(grip)) {
this._releaseObject(grip.actor);
}
}
}
else if (category == CATEGORY_JS &&
methodOrNode == this._reportLogMessage) {
if (WebConsoleUtils.isActorGrip(args[0].message)) {
this._releaseObject(args[0].message.actor);
}
}
},
/**
* Ensures that the number of message nodes of type aCategory don't exceed that
* category's line limit by removing old messages as needed.
*
* @param integer aCategory
* The category of message nodes to prune if needed.
* @return number
* The number of removed nodes.
*/
pruneOutputIfNecessary: function WCF_pruneOutputIfNecessary(aCategory)
{
let logLimit = Utils.logLimitForCategory(aCategory);
let messageNodes = this.outputNode.querySelectorAll(".message[category=" +
CATEGORY_CLASS_FRAGMENTS[aCategory] + "]");
let n = Math.max(0, messageNodes.length - logLimit);
let toRemove = Array.prototype.slice.call(messageNodes, 0, n);
toRemove.forEach(this.removeOutputMessage, this);
return n;
},
/**
* Remove a given message from the output.
*
* @param nsIDOMNode aNode
* The message node you want to remove.
*/
removeOutputMessage: function WCF_removeOutputMessage(aNode)
{
if (aNode._objectActors) {
for (let actor of aNode._objectActors) {
this._releaseObject(actor);
}
aNode._objectActors.clear();
}
if (aNode.category == CATEGORY_CSS ||
aNode.category == CATEGORY_SECURITY) {
let repeatNode = aNode.getElementsByClassName("repeats")[0];
if (repeatNode && repeatNode._uid) {
delete this._repeatNodes[repeatNode._uid];
}
}
else if (aNode._connectionId &&
aNode.category == CATEGORY_NETWORK) {
delete this._networkRequests[aNode._connectionId];
this._releaseObject(aNode._connectionId);
}
else if (aNode.classList.contains("inlined-variables-view")) {
let view = aNode._variablesView;
if (view) {
view.controller.releaseActors();
}
aNode._variablesView = null;
}
if (aNode.parentNode) {
aNode.parentNode.removeChild(aNode);
}
},
/**
* Given a category and message body, creates a DOM node to represent an
* incoming message. The timestamp is automatically added.
*
* @param number aCategory
* The category of the message: one of the CATEGORY_* constants.
* @param number aSeverity
* The severity of the message: one of the SEVERITY_* constants;
* @param string|nsIDOMNode aBody
* The body of the message, either a simple string or a DOM node.
* @param string aSourceURL [optional]
* The URL of the source file that emitted the error.
* @param number aSourceLine [optional]
* The line number on which the error occurred. If zero or omitted,
* there is no line number associated with this message.
* @param string aClipboardText [optional]
* The text that should be copied to the clipboard when this node is
* copied. If omitted, defaults to the body text. If `aBody` is not
* a string, then the clipboard text must be supplied.
* @param number aLevel [optional]
* The level of the console API message.
* @param number aTimeStamp [optional]
* The timestamp to use for this message node. If omitted, the current
* date and time is used.
* @return nsIDOMNode
* The message node: a DIV ready to be inserted into the Web Console
* output node.
*/
createMessageNode:
function WCF_createMessageNode(aCategory, aSeverity, aBody, aSourceURL,
aSourceLine, aClipboardText, aLevel, aTimeStamp)
{
if (typeof aBody != "string" && aClipboardText == null && aBody.innerText) {
aClipboardText = aBody.innerText;
}
// Make the icon container, which is a vertical box. Its purpose is to
// ensure that the icon stays anchored at the top of the message even for
// long multi-line messages.
let iconContainer = this.document.createElementNS(XHTML_NS, "span");
iconContainer.className = "icon";
// Create the message body, which contains the actual text of the message.
let bodyNode = this.document.createElementNS(XHTML_NS, "span");
bodyNode.className = "body devtools-monospace";
// Store the body text, since it is needed later for the variables view.
let body = aBody;
// If a string was supplied for the body, turn it into a DOM node and an
// associated clipboard string now.
aClipboardText = aClipboardText ||
(aBody + (aSourceURL ? " @ " + aSourceURL : "") +
(aSourceLine ? ":" + aSourceLine : ""));
let timestamp = aTimeStamp || Date.now();
// Create the containing node and append all its elements to it.
let node = this.document.createElementNS(XHTML_NS, "div");
node.id = "console-msg-" + gSequenceId();
node.className = "message";
node.clipboardText = aClipboardText;
node.timestamp = timestamp;
this.setMessageType(node, aCategory, aSeverity);
if (aBody instanceof Ci.nsIDOMNode) {
bodyNode.appendChild(aBody);
}
else {
let str = undefined;
if (aLevel == "dir") {
str = VariablesView.getString(aBody.arguments[0]);
}
else if (["log", "info", "warn", "error", "debug"].indexOf(aLevel) > -1 &&
typeof aBody == "object") {
this._makeConsoleLogMessageBody(node, bodyNode, aBody);
}
else {
str = aBody;
}
if (str !== undefined) {
aBody = this.document.createTextNode(str);
bodyNode.appendChild(aBody);
}
}
// Add the message repeats node only when needed.
let repeatNode = null;
if (aCategory != CATEGORY_INPUT && aCategory != CATEGORY_OUTPUT &&
aCategory != CATEGORY_NETWORK) {
repeatNode = this.document.createElementNS(XHTML_NS, "span");
repeatNode.setAttribute("value", "1");
repeatNode.className = "repeats";
repeatNode.textContent = 1;
repeatNode._uid = [bodyNode.textContent, aCategory, aSeverity, aLevel,
aSourceURL, aSourceLine].join(":");
}
// Create the timestamp.
let timestampNode = this.document.createElementNS(XHTML_NS, "span");
timestampNode.className = "timestamp devtools-monospace";
// Apply the current group by indenting appropriately.
timestampNode.style.marginRight = this.groupDepth * GROUP_INDENT + "px";
let timestampString = l10n.timestampString(timestamp);
timestampNode.textContent = timestampString + " ";
// Create the source location (e.g. www.example.com:6) that sits on the
// right side of the message, if applicable.
let locationNode;
if (aSourceURL && IGNORED_SOURCE_URLS.indexOf(aSourceURL) == -1) {
locationNode = this.createLocationNode(aSourceURL, aSourceLine);
}
node.appendChild(timestampNode);
node.appendChild(iconContainer);
// Display the variables view after the message node.
if (aLevel == "dir") {
bodyNode.style.height = (this.window.innerHeight *
CONSOLE_DIR_VIEW_HEIGHT) + "px";
let options = {
objectActor: body.arguments[0],
targetElement: bodyNode,
hideFilterInput: true,
};
this.jsterm.openVariablesView(options).then((aView) => {
node._variablesView = aView;
if (node.classList.contains("hidden-message")) {
node.classList.remove("hidden-message");
}
});
node.classList.add("inlined-variables-view");
}
node.appendChild(bodyNode);
if (repeatNode) {
node.appendChild(repeatNode);
}
if (locationNode) {
node.appendChild(locationNode);
}
node.appendChild(this.document.createTextNode("\n"));
return node;
},
/**
* Make the message body for console.log() calls.
*
* @private
* @param nsIDOMElement aMessage
* The message element that holds the output for the given call.
* @param nsIDOMElement aContainer
* The specific element that will hold each part of the console.log
* output.
* @param object aBody
* The object given by this.logConsoleAPIMessage(). This object holds
* the call information that we need to display - mainly the arguments
* array of the given API call.
*/
_makeConsoleLogMessageBody:
function WCF__makeConsoleLogMessageBody(aMessage, aContainer, aBody)
{
Object.defineProperty(aMessage, "_panelOpen", {
get: function() {
let nodes = aContainer.getElementsByTagName("a");
return Array.prototype.some.call(nodes, function(aNode) {
return aNode._panelOpen;
});
},
enumerable: true,
configurable: false
});
aBody.arguments.forEach(function(aItem) {
if (aContainer.firstChild) {
aContainer.appendChild(this.document.createTextNode(" "));
}
let text = VariablesView.getString(aItem);
let inspectable = !VariablesView.isPrimitive({ value: aItem });
if (aItem && typeof aItem != "object" || !inspectable) {
aContainer.appendChild(this.document.createTextNode(text));
if (aItem.type && aItem.type == "longString") {
let ellipsis = this.document.createElementNS(XHTML_NS, "a");
ellipsis.classList.add("longStringEllipsis");
ellipsis.textContent = l10n.getStr("longStringEllipsis");
ellipsis.href = "#";
ellipsis.draggable = false;
let formatter = function(s) '"' + s + '"';
this._addMessageLinkCallback(ellipsis,
this._longStringClick.bind(this, aMessage, aItem, formatter));
aContainer.appendChild(ellipsis);
}
return;
}
// For inspectable objects.
let elem = this.document.createElementNS(XHTML_NS, "a");
elem.setAttribute("aria-haspopup", "true");
elem.textContent = text;
elem.href = "#";
elem.draggable = false;
this._addMessageLinkCallback(elem,
this._consoleLogClick.bind(this, elem, aItem));
aContainer.appendChild(elem);
}, this);
},
/**
* Click event handler for the ellipsis shown immediately after a long string.
* This method retrieves the full string and updates the console output to
* show it.
*
* @private
* @param nsIDOMElement aMessage
* The message element.
* @param object aActor
* The LongStringActor instance we work with.
* @param [function] aFormatter
* Optional function you can use to format the string received from the
* server, before being displayed in the console.
* @param nsIDOMElement aEllipsis
* The DOM element the user can click on to expand the string.
*/
_longStringClick:
function WCF__longStringClick(aMessage, aActor, aFormatter, aEllipsis)
{
if (!aFormatter) {
aFormatter = function(s) s;
}
let longString = this.webConsoleClient.longString(aActor);
let toIndex = Math.min(longString.length, MAX_LONG_STRING_LENGTH);
longString.substring(longString.initial.length, toIndex,
function WCF__onSubstring(aResponse) {
if (aResponse.error) {
Cu.reportError("WCF__longStringClick substring failure: " +
aResponse.error);
return;
}
let node = aEllipsis.previousSibling;
node.textContent = aFormatter(longString.initial + aResponse.substring);
aEllipsis.parentNode.removeChild(aEllipsis);
if (aMessage.category == CATEGORY_WEBDEV ||
aMessage.category == CATEGORY_OUTPUT) {
aMessage.clipboardText = aMessage.textContent;
}
this.emit("messages-updated", new Set([aMessage]));
if (toIndex != longString.length) {
this.logWarningAboutStringTooLong();
}
}.bind(this));
},
/**
* Creates the anchor that displays the textual location of an incoming
* message.
*
* @param string aSourceURL
* The URL of the source file responsible for the error.
* @param number aSourceLine [optional]
* The line number on which the error occurred. If zero or omitted,
* there is no line number associated with this message.
* @return nsIDOMNode
* The new anchor element, ready to be added to the message node.
*/
createLocationNode: function WCF_createLocationNode(aSourceURL, aSourceLine)
{
let locationNode = this.document.createElementNS(XHTML_NS, "a");
// Create the text, which consists of an abbreviated version of the URL
// plus an optional line number. Scratchpad URLs should not be abbreviated.
let displayLocation;
let fullURL;
let isScratchpad = false;
if (/^Scratchpad\/\d+$/.test(aSourceURL)) {
displayLocation = aSourceURL;
fullURL = aSourceURL;
isScratchpad = true;
}
else {
fullURL = aSourceURL.split(" -> ").pop();
displayLocation = WebConsoleUtils.abbreviateSourceURL(fullURL);
}
if (aSourceLine) {
displayLocation += ":" + aSourceLine;
locationNode.sourceLine = aSourceLine;
}
locationNode.textContent = " " + displayLocation;
locationNode.href = isScratchpad ? "#" : fullURL;
locationNode.draggable = false;
locationNode.setAttribute("title", aSourceURL);
locationNode.className = "location devtools-monospace";
// Make the location clickable.
this._addMessageLinkCallback(locationNode, () => {
if (isScratchpad) {
this.owner.viewSourceInScratchpad(aSourceURL);
}
else if (locationNode.parentNode.category == CATEGORY_CSS) {
this.owner.viewSourceInStyleEditor(fullURL, aSourceLine);
}
else if (locationNode.parentNode.category == CATEGORY_JS ||
locationNode.parentNode.category == CATEGORY_WEBDEV) {
this.owner.viewSourceInDebugger(fullURL, aSourceLine);
}
else {
this.owner.viewSource(fullURL, aSourceLine);
}
});
return locationNode;
},
/**
* Adjusts the category and severity of the given message.
*
* @param nsIDOMNode aMessageNode
* The message node to alter.
* @param number aCategory
* The category for the message; one of the CATEGORY_ constants.
* @param number aSeverity
* The severity for the message; one of the SEVERITY_ constants.
* @return void
*/
setMessageType:
function WCF_setMessageType(aMessageNode, aCategory, aSeverity)
{
aMessageNode.category = aCategory;
aMessageNode.severity = aSeverity;
aMessageNode.setAttribute("category", CATEGORY_CLASS_FRAGMENTS[aCategory]);
aMessageNode.setAttribute("severity", SEVERITY_CLASS_FRAGMENTS[aSeverity]);
aMessageNode.setAttribute("filter", MESSAGE_PREFERENCE_KEYS[aCategory][aSeverity]);
},
/**
* Add the mouse event handlers needed to make a link.
*
* @private
* @param nsIDOMNode aNode
* The node for which you want to add the event handlers.
* @param function aCallback
* The function you want to invoke on click.
*/
_addMessageLinkCallback: function WCF__addMessageLinkCallback(aNode, aCallback)
{
aNode.addEventListener("mousedown", function(aEvent) {
this._mousedown = true;
this._startX = aEvent.clientX;
this._startY = aEvent.clientY;
}, false);
aNode.addEventListener("click", function(aEvent) {
let mousedown = this._mousedown;
this._mousedown = false;
// Do not allow middle/right-click or 2+ clicks.
if (aEvent.detail != 1 || aEvent.button != 0) {
return;
}
aEvent.preventDefault();
// If this event started with a mousedown event and it ends at a different
// location, we consider this text selection.
if (mousedown && this._startX != aEvent.clientX &&
this._startY != aEvent.clientY) {
return;
}
aCallback(this, aEvent);
}, false);
},
/**
* Copies the selected items to the system clipboard.
*
* @param object aOptions
* - linkOnly:
* An optional flag to copy only URL without timestamp and
* other meta-information. Default is false.
*/
copySelectedItems: function WCF_copySelectedItems(aOptions)
{
aOptions = aOptions || { linkOnly: false, contextmenu: false };
// Gather up the selected items and concatenate their clipboard text.
let strings = [];
let children = this.output.getSelectedMessages();
if (!children.length && aOptions.contextmenu) {
children = [this._contextMenuHandler.lastClickedMessage];
}
for (let item of children) {
// Ensure the selected item hasn't been filtered by type or string.
if (!item.classList.contains("filtered-by-type") &&
!item.classList.contains("filtered-by-string")) {
let timestampString = l10n.timestampString(item.timestamp);
if (aOptions.linkOnly) {
strings.push(item.url);
}
else {
strings.push("[" + timestampString + "] " + item.clipboardText);
}
}
}
clipboardHelper.copyString(strings.join("\n"), this.document);
},
/**
* Object properties provider. This function gives you the properties of the
* remote object you want.
*
* @param string aActor
* The object actor ID from which you want the properties.
* @param function aCallback
* Function you want invoked once the properties are received.
*/
objectPropertiesProvider:
function WCF_objectPropertiesProvider(aActor, aCallback)
{
this.webConsoleClient.inspectObjectProperties(aActor,
function(aResponse) {
if (aResponse.error) {
Cu.reportError("Failed to retrieve the object properties from the " +
"server. Error: " + aResponse.error);
return;
}
aCallback(aResponse.properties);
});
},
/**
* Release an actor.
*
* @private
* @param string aActor
* The actor ID you want to release.
*/
_releaseObject: function WCF__releaseObject(aActor)
{
if (this.proxy) {
this.proxy.releaseActor(aActor);
}
},
/**
* Open the selected item's URL in a new tab.
*/
openSelectedItemInTab: function WCF_openSelectedItemInTab()
{
let item = this.output.getSelectedMessages(1)[0] ||
this._contextMenuHandler.lastClickedMessage;
if (!item || !item.url) {
return;
}
this.owner.openLink(item.url);
},
/**
* Destroy the WebConsoleFrame object. Call this method to avoid memory leaks
* when the Web Console is closed.
*
* @return object
* A promise that is resolved when the WebConsoleFrame instance is
* destroyed.
*/
destroy: function WCF_destroy()
{
if (this._destroyer) {
return this._destroyer.promise;
}
this._destroyer = promise.defer();
this._repeatNodes = {};
this._outputQueue = [];
this._pruneCategoriesQueue = {};
this._networkRequests = {};
if (this._outputTimerInitialized) {
this._outputTimerInitialized = false;
this._outputTimer.cancel();
}
this._outputTimer = null;
if (this.jsterm) {
this.jsterm.destroy();
this.jsterm = null;
}
this.output.destroy();
this.output = null;
if (this._contextMenuHandler) {
this._contextMenuHandler.destroy();
this._contextMenuHandler = null;
}
this._commandController = null;
let onDestroy = function() {
this._destroyer.resolve(null);
}.bind(this);
if (this.proxy) {
this.proxy.disconnect().then(onDestroy);
this.proxy = null;
}
else {
onDestroy();
}
return this._destroyer.promise;
},
};
/**
* @see VariablesView.simpleValueEvalMacro
*/
function simpleValueEvalMacro(aItem, aCurrentString)
{
return VariablesView.simpleValueEvalMacro(aItem, aCurrentString, "_self");
};
/**
* @see VariablesView.overrideValueEvalMacro
*/
function overrideValueEvalMacro(aItem, aCurrentString)
{
return VariablesView.overrideValueEvalMacro(aItem, aCurrentString, "_self");
};
/**
* @see VariablesView.getterOrSetterEvalMacro
*/
function getterOrSetterEvalMacro(aItem, aCurrentString)
{
return VariablesView.getterOrSetterEvalMacro(aItem, aCurrentString, "_self");
}
/**
* Create a JSTerminal (a JavaScript command line). This is attached to an
* existing HeadsUpDisplay (a Web Console instance). This code is responsible
* with handling command line input, code evaluation and result output.
*
* @constructor
* @param object aWebConsoleFrame
* The WebConsoleFrame object that owns this JSTerm instance.
*/
function JSTerm(aWebConsoleFrame)
{
this.hud = aWebConsoleFrame;
this.hudId = this.hud.hudId;
this.lastCompletion = { value: null };
this.history = [];
// Holds the number of entries in history. This value is incremented in
// this.execute().
this.historyIndex = 0; // incremented on this.execute()
// Holds the index of the history entry that the user is currently viewing.
// This is reset to this.history.length when this.execute() is invoked.
this.historyPlaceHolder = 0;
this._objectActorsInVariablesViews = new Map();
this._keyPress = this._keyPress.bind(this);
this._inputEventHandler = this._inputEventHandler.bind(this);
this._focusEventHandler = this._focusEventHandler.bind(this);
this._onKeypressInVariablesView = this._onKeypressInVariablesView.bind(this);
EventEmitter.decorate(this);
}
JSTerm.prototype = {
SELECTED_FRAME: -1,
/**
* Stores the data for the last completion.
* @type object
*/
lastCompletion: null,
/**
* Array that caches the user input suggestions received from the server.
* @private
* @type array
*/
_autocompleteCache: null,
/**
* The input that caused the last request to the server, whose response is
* cached in the _autocompleteCache array.
* @private
* @type string
*/
_autocompleteQuery: null,
/**
* The Web Console sidebar.
* @see this._createSidebar()
* @see Sidebar.jsm
*/
sidebar: null,
/**
* The Variables View instance shown in the sidebar.
* @private
* @type object
*/
_variablesView: null,
/**
* Tells if you want the variables view UI updates to be lazy or not. Tests
* disable lazy updates.
*
* @private
* @type boolean
*/
_lazyVariablesView: true,
/**
* Holds a map between VariablesView instances and sets of ObjectActor IDs
* that have been retrieved from the server. This allows us to release the
* objects when needed.
*
* @private
* @type Map
*/
_objectActorsInVariablesViews: null,
/**
* Last input value.
* @type string
*/
lastInputValue: "",
/**
* Tells if the input node changed since the last focus.
*
* @private
* @type boolean
*/
_inputChanged: false,
/**
* Tells if the autocomplete popup was navigated since the last open.
*
* @private
* @type boolean
*/
_autocompletePopupNavigated: false,
/**
* History of code that was executed.
* @type array
*/
history: null,
autocompletePopup: null,
inputNode: null,
completeNode: null,
/**
* Getter for the element that holds the messages we display.
* @type nsIDOMElement
*/
get outputNode() this.hud.outputNode,
/**
* Getter for the debugger WebConsoleClient.
* @type object
*/
get webConsoleClient() this.hud.webConsoleClient,
COMPLETE_FORWARD: 0,
COMPLETE_BACKWARD: 1,
COMPLETE_HINT_ONLY: 2,
/**
* Initialize the JSTerminal UI.
*/
init: function JST_init()
{
let chromeDocument = this.hud.owner.chromeWindow.document;
let autocompleteOptions = {
onSelect: this.onAutocompleteSelect.bind(this),
onClick: this.acceptProposedCompletion.bind(this),
panelId: "webConsole_autocompletePopup",
listBoxId: "webConsole_autocompletePopupListBox",
position: "before_start",
theme: "light",
direction: "ltr",
autoSelect: true
};
this.autocompletePopup = new AutocompletePopup(chromeDocument,
autocompleteOptions);
let doc = this.hud.document;
this.completeNode = doc.querySelector(".jsterm-complete-node");
this.inputNode = doc.querySelector(".jsterm-input-node");
this.inputNode.addEventListener("keypress", this._keyPress, false);
this.inputNode.addEventListener("input", this._inputEventHandler, false);
this.inputNode.addEventListener("keyup", this._inputEventHandler, false);
this.inputNode.addEventListener("focus", this._focusEventHandler, false);
this.lastInputValue && this.setInputValue(this.lastInputValue);
},
/**
* The JavaScript evaluation response handler.
*
* @private
* @param nsIDOMElement [aAfterNode]
* Optional DOM element after which the evaluation result will be
* inserted.
* @param function [aCallback]
* Optional function to invoke when the evaluation result is added to
* the output.
* @param object aResponse
* The message received from the server.
*/
_executeResultCallback:
function JST__executeResultCallback(aAfterNode, aCallback, aResponse)
{
if (!this.hud) {
return;
}
if (aResponse.error) {
Cu.reportError("Evaluation error " + aResponse.error + ": " +
aResponse.message);
return;
}
let errorMessage = aResponse.exceptionMessage;
let result = aResponse.result;
let inspectable = false;
if (result && !VariablesView.isPrimitive({ value: result })) {
inspectable = true;
}
let helperResult = aResponse.helperResult;
let helperHasRawOutput = !!(helperResult || {}).rawOutput;
let resultString = VariablesView.getString(result);
if (helperResult && helperResult.type) {
switch (helperResult.type) {
case "clearOutput":
this.clearOutput();
break;
case "inspectObject":
if (aAfterNode) {
if (!aAfterNode._objectActors) {
aAfterNode._objectActors = new Set();
}
aAfterNode._objectActors.add(helperResult.object.actor);
}
this.openVariablesView({
label: VariablesView.getString(helperResult.object),
objectActor: helperResult.object,
});
break;
case "error":
try {
errorMessage = l10n.getStr(helperResult.message);
}
catch (ex) {
errorMessage = helperResult.message;
}
break;
case "help":
this.hud.owner.openLink(HELP_URL);
break;
}
}
// Hide undefined results coming from JSTerm helper functions.
if (!errorMessage && result && typeof result == "object" &&
result.type == "undefined" &&
helperResult && !helperHasRawOutput) {
aCallback && aCallback();
return;
}
let node;
if (errorMessage) {
node = this.writeOutput(errorMessage, CATEGORY_OUTPUT, SEVERITY_ERROR,
aAfterNode, aResponse.timestamp);
}
else if (inspectable) {
node = this.writeOutputJS(resultString,
this._evalOutputClick.bind(this, aResponse),
aAfterNode, aResponse.timestamp);
}
else {
node = this.writeOutput(resultString, CATEGORY_OUTPUT, SEVERITY_LOG,
aAfterNode, aResponse.timestamp);
}
if (aCallback) {
let oldFlushCallback = this.hud._flushCallback;
this.hud._flushCallback = () => {
aCallback(node);
if (oldFlushCallback) {
oldFlushCallback();
this.hud._flushCallback = oldFlushCallback;
}
else {
this.hud._flushCallback = null;
}
};
}
node._objectActors = new Set();
let error = aResponse.exception;
if (WebConsoleUtils.isActorGrip(error)) {
node._objectActors.add(error.actor);
}
if (WebConsoleUtils.isActorGrip(result)) {
node._objectActors.add(result.actor);
if (result.type == "longString") {
// Add an ellipsis to expand the short string if the object is not
// inspectable.
let body = node.getElementsByClassName("body")[0];
let ellipsis = this.hud.document.createElementNS(XHTML_NS, "a");
ellipsis.classList.add("longStringEllipsis");
ellipsis.textContent = l10n.getStr("longStringEllipsis");
ellipsis.href = "#";
ellipsis.draggable = false;
let formatter = function(s) '"' + s + '"';
let onclick = this.hud._longStringClick.bind(this.hud, node, result,
formatter);
this.hud._addMessageLinkCallback(ellipsis, onclick);
body.appendChild(ellipsis);
node.clipboardText += " " + ellipsis.textContent;
}
}
},
/**
* Execute a string. Execution happens asynchronously in the content process.
*
* @param string [aExecuteString]
* The string you want to execute. If this is not provided, the current
* user input is used - taken from |this.inputNode.value|.
* @param function [aCallback]
* Optional function to invoke when the result is displayed.
*/
execute: function JST_execute(aExecuteString, aCallback)
{
// attempt to execute the content of the inputNode
aExecuteString = aExecuteString || this.inputNode.value;
if (!aExecuteString) {
return;
}
let node = this.writeOutput(aExecuteString, CATEGORY_INPUT, SEVERITY_LOG);
let onResult = this._executeResultCallback.bind(this, node, aCallback);
let options = { frame: this.SELECTED_FRAME };
this.requestEvaluation(aExecuteString, options).then(onResult, onResult);
// Append a new value in the history of executed code, or overwrite the most
// recent entry. The most recent entry may contain the last edited input
// value that was not evaluated yet.
this.history[this.historyIndex++] = aExecuteString;
this.historyPlaceHolder = this.history.length;
this.setInputValue("");
this.clearCompletion();
},
/**
* Request a JavaScript string evaluation from the server.
*
* @param string aString
* String to execute.
* @param object [aOptions]
* Options for evaluation:
* - bindObjectActor: tells the ObjectActor ID for which you want to do
* the evaluation. The Debugger.Object of the OA will be bound to
* |_self| during evaluation, such that it's usable in the string you
* execute.
* - frame: tells the stackframe depth to evaluate the string in. If
* the jsdebugger is paused, you can pick the stackframe to be used for
* evaluation. Use |this.SELECTED_FRAME| to always pick the
* user-selected stackframe.
* If you do not provide a |frame| the string will be evaluated in the
* global content window.
* @return object
* A promise object that is resolved when the server response is
* received.
*/
requestEvaluation: function JST_requestEvaluation(aString, aOptions = {})
{
let deferred = promise.defer();
function onResult(aResponse) {
if (!aResponse.error) {
deferred.resolve(aResponse);
}
else {
deferred.reject(aResponse);
}
}
let frameActor = null;
if ("frame" in aOptions) {
frameActor = this.getFrameActor(aOptions.frame);
}
let evalOptions = {
bindObjectActor: aOptions.bindObjectActor,
frameActor: frameActor,
};
this.webConsoleClient.evaluateJS(aString, onResult, evalOptions);
return deferred.promise;
},
/**
* Retrieve the FrameActor ID given a frame depth.
*
* @param number aFrame
* Frame depth.
* @return string|null
* The FrameActor ID for the given frame depth.
*/
getFrameActor: function JST_getFrameActor(aFrame)
{
let state = this.hud.owner.getDebuggerFrames();
if (!state) {
return null;
}
let grip;
if (aFrame == this.SELECTED_FRAME) {
grip = state.frames[state.selected];
}
else {
grip = state.frames[aFrame];
}
return grip ? grip.actor : null;
},
/**
* Opens a new variables view that allows the inspection of the given object.
*
* @param object aOptions
* Options for the variables view:
* - objectActor: grip of the ObjectActor you want to show in the
* variables view.
* - rawObject: the raw object you want to show in the variables view.
* - label: label to display in the variables view for inspected
* object.
* - hideFilterInput: optional boolean, |true| if you want to hide the
* variables view filter input.
* - targetElement: optional nsIDOMElement to append the variables view
* to. An iframe element is used as a container for the view. If this
* option is not used, then the variables view opens in the sidebar.
* - autofocus: optional boolean, |true| if you want to give focus to
* the variables view window after open, |false| otherwise.
* @return object
* A promise object that is resolved when the variables view has
* opened. The new variables view instance is given to the callbacks.
*/
openVariablesView: function JST_openVariablesView(aOptions)
{
let onContainerReady = (aWindow) => {
let container = aWindow.document.querySelector("#variables");
let view = this._variablesView;
if (!view || aOptions.targetElement) {
let viewOptions = {
container: container,
hideFilterInput: aOptions.hideFilterInput,
};
view = this._createVariablesView(viewOptions);
if (!aOptions.targetElement) {
this._variablesView = view;
aWindow.addEventListener("keypress", this._onKeypressInVariablesView);
}
}
aOptions.view = view;
this._updateVariablesView(aOptions);
if (!aOptions.targetElement && aOptions.autofocus) {
aWindow.focus();
}
this.emit("variablesview-open", view, aOptions);
return view;
};
let openPromise;
if (aOptions.targetElement) {
let deferred = promise.defer();
openPromise = deferred.promise;
let document = aOptions.targetElement.ownerDocument;
let iframe = document.createElementNS(XHTML_NS, "iframe");
iframe.addEventListener("load", function onIframeLoad(aEvent) {
iframe.removeEventListener("load", onIframeLoad, true);
deferred.resolve(iframe.contentWindow);
}, true);
iframe.flex = 1;
iframe.setAttribute("src", VARIABLES_VIEW_URL);
aOptions.targetElement.appendChild(iframe);
}
else {
if (!this.sidebar) {
this._createSidebar();
}
openPromise = this._addVariablesViewSidebarTab();
}
return openPromise.then(onContainerReady);
},
/**
* Create the Web Console sidebar.
*
* @see devtools/framework/sidebar.js
* @private
*/
_createSidebar: function JST__createSidebar()
{
let tabbox = this.hud.document.querySelector("#webconsole-sidebar");
this.sidebar = new ToolSidebar(tabbox, this, "webconsole");
this.sidebar.show();
},
/**
* Add the variables view tab to the sidebar.
*
* @private
* @return object
* A promise object for the adding of the new tab.
*/
_addVariablesViewSidebarTab: function JST__addVariablesViewSidebarTab()
{
let deferred = promise.defer();
let onTabReady = () => {
let window = this.sidebar.getWindowForTab("variablesview");
deferred.resolve(window);
};
let tab = this.sidebar.getTab("variablesview");
if (tab) {
if (this.sidebar.getCurrentTabID() == "variablesview") {
onTabReady();
}
else {
this.sidebar.once("variablesview-selected", onTabReady);
this.sidebar.select("variablesview");
}
}
else {
this.sidebar.once("variablesview-ready", onTabReady);
this.sidebar.addTab("variablesview", VARIABLES_VIEW_URL, true);
}
return deferred.promise;
},
/**
* The keypress event handler for the Variables View sidebar. Currently this
* is used for removing the sidebar when Escape is pressed.
*
* @private
* @param nsIDOMEvent aEvent
* The keypress DOM event object.
*/
_onKeypressInVariablesView: function JST__onKeypressInVariablesView(aEvent)
{
let tag = aEvent.target.nodeName;
if (aEvent.keyCode != Ci.nsIDOMKeyEvent.DOM_VK_ESCAPE || aEvent.shiftKey ||
aEvent.altKey || aEvent.ctrlKey || aEvent.metaKey ||
["input", "textarea", "select", "textbox"].indexOf(tag) > -1) {
return;
}
this._sidebarDestroy();
this.inputNode.focus();
},
/**
* Create a variables view instance.
*
* @private
* @param object aOptions
* Options for the new Variables View instance:
* - container: the DOM element where the variables view is inserted.
* - hideFilterInput: boolean, if true the variables filter input is
* hidden.
* @return object
* The new Variables View instance.
*/
_createVariablesView: function JST__createVariablesView(aOptions)
{
let view = new VariablesView(aOptions.container);
view.searchPlaceholder = l10n.getStr("propertiesFilterPlaceholder");
view.emptyText = l10n.getStr("emptyPropertiesList");
view.searchEnabled = !aOptions.hideFilterInput;
view.lazyEmpty = this._lazyVariablesView;
view.lazyAppend = this._lazyVariablesView;
VariablesViewController.attach(view, {
getEnvironmentClient: aGrip => {
return new EnvironmentClient(this.hud.proxy.client, aGrip);
},
getObjectClient: aGrip => {
return new ObjectClient(this.hud.proxy.client, aGrip);
},
getLongStringClient: aGrip => {
return this.webConsoleClient.longString(aGrip);
},
releaseActor: aActor => {
this.hud._releaseObject(aActor);
},
simpleValueEvalMacro: simpleValueEvalMacro,
overrideValueEvalMacro: overrideValueEvalMacro,
getterOrSetterEvalMacro: getterOrSetterEvalMacro,
});
// Relay events from the VariablesView.
view.on("fetched", (aEvent, aType, aVar) => {
this.emit("variablesview-fetched", aVar);
});
return view;
},
/**
* Update the variables view.
*
* @private
* @param object aOptions
* Options for updating the variables view:
* - view: the view you want to update.
* - objectActor: the grip of the new ObjectActor you want to show in
* the view.
* - rawObject: the new raw object you want to show.
* - label: the new label for the inspected object.
*/
_updateVariablesView: function JST__updateVariablesView(aOptions)
{
let view = aOptions.view;
view.createHierarchy();
view.empty();
// We need to avoid pruning the object inspection starting point.
// That one is pruned when the console message is removed.
view.controller.releaseActors(aActor => {
return view._consoleLastObjectActor != aActor;
});
if (aOptions.objectActor) {
// Make sure eval works in the correct context.
view.eval = this._variablesViewEvaluate.bind(this, aOptions);
view.switch = this._variablesViewSwitch.bind(this, aOptions);
view.delete = this._variablesViewDelete.bind(this, aOptions);
}
else {
view.eval = null;
view.switch = null;
view.delete = null;
}
let { variable, expanded } = view.controller.setSingleVariable(aOptions);
variable.evaluationMacro = simpleValueEvalMacro;
if (aOptions.objectActor) {
view._consoleLastObjectActor = aOptions.objectActor.actor;
}
else if (aOptions.rawObject) {
view._consoleLastObjectActor = null;
}
else {
throw new Error("Variables View cannot open without giving it an object " +
"display.");
}
expanded.then(() => {
this.emit("variablesview-updated", view, aOptions);
});
},
/**
* The evaluation function used by the variables view when editing a property
* value.
*
* @private
* @param object aOptions
* The options used for |this._updateVariablesView()|.
* @param string aString
* The string that the variables view wants to evaluate.
*/
_variablesViewEvaluate: function JST__variablesViewEvaluate(aOptions, aString)
{
let updater = this._updateVariablesView.bind(this, aOptions);
let onEval = this._silentEvalCallback.bind(this, updater);
let evalOptions = {
frame: this.SELECTED_FRAME,
bindObjectActor: aOptions.objectActor.actor,
};
this.requestEvaluation(aString, evalOptions).then(onEval, onEval);
},
/**
* The property deletion function used by the variables view when a property
* is deleted.
*
* @private
* @param object aOptions
* The options used for |this._updateVariablesView()|.
* @param object aVar
* The Variable object instance for the deleted property.
*/
_variablesViewDelete: function JST__variablesViewDelete(aOptions, aVar)
{
let onEval = this._silentEvalCallback.bind(this, null);
let evalOptions = {
frame: this.SELECTED_FRAME,
bindObjectActor: aOptions.objectActor.actor,
};
this.requestEvaluation("delete _self" + aVar.symbolicName, evalOptions)
.then(onEval, onEval);
},
/**
* The property rename function used by the variables view when a property
* is renamed.
*
* @private
* @param object aOptions
* The options used for |this._updateVariablesView()|.
* @param object aVar
* The Variable object instance for the renamed property.
* @param string aNewName
* The new name for the property.
*/
_variablesViewSwitch:
function JST__variablesViewSwitch(aOptions, aVar, aNewName)
{
let updater = this._updateVariablesView.bind(this, aOptions);
let onEval = this._silentEvalCallback.bind(this, updater);
let evalOptions = {
frame: this.SELECTED_FRAME,
bindObjectActor: aOptions.objectActor.actor,
};
let newSymbolicName = aVar.ownerView.symbolicName + '["' + aNewName + '"]';
if (newSymbolicName == aVar.symbolicName) {
return;
}
let code = "_self" + newSymbolicName + " = _self" + aVar.symbolicName + ";" +
"delete _self" + aVar.symbolicName;
this.requestEvaluation(code, evalOptions).then(onEval, onEval);
},
/**
* A noop callback for JavaScript evaluation. This method releases any
* result ObjectActors that come from the server for evaluation requests. This
* is used for editing, renaming and deleting properties in the variables
* view.
*
* Exceptions are displayed in the output.
*
* @private
* @param function aCallback
* Function to invoke once the response is received.
* @param object aResponse
* The response packet received from the server.
*/
_silentEvalCallback: function JST__silentEvalCallback(aCallback, aResponse)
{
if (aResponse.error) {
Cu.reportError("Web Console evaluation failed. " + aResponse.error + ":" +
aResponse.message);
aCallback && aCallback(aResponse);
return;
}
let exception = aResponse.exception;
if (exception) {
let node = this.writeOutput(aResponse.exceptionMessage,
CATEGORY_OUTPUT, SEVERITY_ERROR,
null, aResponse.timestamp);
node._objectActors = new Set();
if (WebConsoleUtils.isActorGrip(exception)) {
node._objectActors.add(exception.actor);
}
}
let helper = aResponse.helperResult || { type: null };
let helperGrip = null;
if (helper.type == "inspectObject") {
helperGrip = helper.object;
}
let grips = [aResponse.result, helperGrip];
for (let grip of grips) {
if (WebConsoleUtils.isActorGrip(grip)) {
this.hud._releaseObject(grip.actor);
}
}
aCallback && aCallback(aResponse);
},
/**
* Writes a JS object to the JSTerm outputNode.
*
* @param string aOutputMessage
* The message to display.
* @param function [aCallback]
* Optional function to invoke when users click the message.
* @param nsIDOMNode [aNodeAfter]
* Optional DOM node after which you want to insert the new message.
* This is used when execution results need to be inserted immediately
* after the user input.
* @param number [aTimestamp]
* Optional timestamp to show for the output message (millisconds since
* the UNIX epoch). If no timestamp is provided then Date.now() is
* used.
* @return nsIDOMNode
* The new message node.
*/
writeOutputJS:
function JST_writeOutputJS(aOutputMessage, aCallback, aNodeAfter, aTimestamp)
{
let link = null;
if (aCallback) {
link = this.hud.document.createElementNS(XHTML_NS, "a");
link.setAttribute("aria-haspopup", true);
link.textContent = aOutputMessage;
link.href = "#";
link.draggable = false;
this.hud._addMessageLinkCallback(link, aCallback);
}
return this.writeOutput(link || aOutputMessage, CATEGORY_OUTPUT,
SEVERITY_LOG, aNodeAfter, aTimestamp);
},
/**
* Writes a message to the HUD that originates from the interactive
* JavaScript console.
*
* @param nsIDOMNode|string aOutputMessage
* The message to display.
* @param number aCategory
* The category of message: one of the CATEGORY_ constants.
* @param number aSeverity
* The severity of message: one of the SEVERITY_ constants.
* @param nsIDOMNode [aNodeAfter]
* Optional DOM node after which you want to insert the new message.
* This is used when execution results need to be inserted immediately
* after the user input.
* @param number [aTimestamp]
* Optional timestamp to show for the output message (millisconds since
* the UNIX epoch). If no timestamp is provided then Date.now() is
* used.
* @return nsIDOMNode
* The new message node.
*/
writeOutput:
function JST_writeOutput(aOutputMessage, aCategory, aSeverity, aNodeAfter,
aTimestamp)
{
let node = this.hud.createMessageNode(aCategory, aSeverity, aOutputMessage,
null, null, null, null, aTimestamp);
node._outputAfterNode = aNodeAfter;
this.hud.outputMessage(aCategory, node);
return node;
},
/**
* Clear the Web Console output.
*
* This method emits the "messages-cleared" notification.
*
* @param boolean aClearStorage
* True if you want to clear the console messages storage associated to
* this Web Console.
*/
clearOutput: function JST_clearOutput(aClearStorage)
{
let hud = this.hud;
let outputNode = hud.outputNode;
let node;
while ((node = outputNode.firstChild)) {
hud.removeOutputMessage(node);
}
hud.groupDepth = 0;
hud._outputQueue.forEach(hud._pruneItemFromQueue, hud);
hud._outputQueue = [];
hud._networkRequests = {};
hud._repeatNodes = {};
if (aClearStorage) {
this.webConsoleClient.clearMessagesCache();
}
this.emit("messages-cleared");
},
/**
* Remove all of the private messages from the Web Console output.
*
* This method emits the "private-messages-cleared" notification.
*/
clearPrivateMessages: function JST_clearPrivateMessages()
{
let nodes = this.hud.outputNode.querySelectorAll(".message[private]");
for (let node of nodes) {
this.hud.removeOutputMessage(node);
}
this.emit("private-messages-cleared");
},
/**
* Updates the size of the input field (command line) to fit its contents.
*
* @returns void
*/
resizeInput: function JST_resizeInput()
{
let inputNode = this.inputNode;
// Reset the height so that scrollHeight will reflect the natural height of
// the contents of the input field.
inputNode.style.height = "auto";
// Now resize the input field to fit its contents.
let scrollHeight = inputNode.inputField.scrollHeight;
if (scrollHeight > 0) {
inputNode.style.height = scrollHeight + "px";
}
},
/**
* Sets the value of the input field (command line), and resizes the field to
* fit its contents. This method is preferred over setting "inputNode.value"
* directly, because it correctly resizes the field.
*
* @param string aNewValue
* The new value to set.
* @returns void
*/
setInputValue: function JST_setInputValue(aNewValue)
{
this.inputNode.value = aNewValue;
this.lastInputValue = aNewValue;
this.completeNode.value = "";
this.resizeInput();
this._inputChanged = true;
},
/**
* The inputNode "input" and "keyup" event handler.
* @private
*/
_inputEventHandler: function JST__inputEventHandler()
{
if (this.lastInputValue != this.inputNode.value) {
this.resizeInput();
this.complete(this.COMPLETE_HINT_ONLY);
this.lastInputValue = this.inputNode.value;
this._inputChanged = true;
}
},
/**
* The inputNode "keypress" event handler.
*
* @private
* @param nsIDOMEvent aEvent
*/
_keyPress: function JST__keyPress(aEvent)
{
let inputNode = this.inputNode;
let inputUpdated = false;
if (aEvent.ctrlKey) {
switch (aEvent.charCode) {
case 97:
// control-a
this.clearCompletion();
if (Services.appinfo.OS == "WINNT") {
// Allow Select All on Windows.
break;
}
let lineBeginPos = 0;
if (this.hasMultilineInput()) {
// find index of closest newline <= to cursor
for (let i = inputNode.selectionStart-1; i >= 0; i--) {
if (inputNode.value.charAt(i) == "\r" ||
inputNode.value.charAt(i) == "\n") {
lineBeginPos = i+1;
break;
}
}
}
inputNode.setSelectionRange(lineBeginPos, lineBeginPos);
aEvent.preventDefault();
break;
case 101:
// control-e
if (Services.appinfo.OS == "WINNT") {
break;
}
let lineEndPos = inputNode.value.length;
if (this.hasMultilineInput()) {
// find index of closest newline >= cursor
for (let i = inputNode.selectionEnd; i<lineEndPos; i++) {
if (inputNode.value.charAt(i) == "\r" ||
inputNode.value.charAt(i) == "\n") {
lineEndPos = i;
break;
}
}
}
inputNode.setSelectionRange(lineEndPos, lineEndPos);
aEvent.preventDefault();
this.clearCompletion();
break;
case 110:
// Control-N differs from down arrow: it ignores autocomplete state.
// Note that we preserve the default 'down' navigation within
// multiline text.
if (Services.appinfo.OS == "Darwin" &&
this.canCaretGoNext() &&
this.historyPeruse(HISTORY_FORWARD)) {
aEvent.preventDefault();
// Ctrl-N is also used to focus the Network category button on MacOSX.
// The preventDefault() call doesn't prevent the focus from moving
// away from the input.
inputNode.focus();
}
this.clearCompletion();
break;
case 112:
// Control-P differs from up arrow: it ignores autocomplete state.
// Note that we preserve the default 'up' navigation within
// multiline text.
if (Services.appinfo.OS == "Darwin" &&
this.canCaretGoPrevious() &&
this.historyPeruse(HISTORY_BACK)) {
aEvent.preventDefault();
// Ctrl-P may also be used to focus some category button on MacOSX.
// The preventDefault() call doesn't prevent the focus from moving
// away from the input.
inputNode.focus();
}
this.clearCompletion();
break;
default:
break;
}
return;
}
else if (aEvent.shiftKey &&
aEvent.keyCode == Ci.nsIDOMKeyEvent.DOM_VK_RETURN) {
// shift return
// TODO: expand the inputNode height by one line
return;
}
switch (aEvent.keyCode) {
case Ci.nsIDOMKeyEvent.DOM_VK_ESCAPE:
if (this.autocompletePopup.isOpen) {
this.clearCompletion();
aEvent.preventDefault();
}
else if (this.sidebar) {
this._sidebarDestroy();
aEvent.preventDefault();
}
break;
case Ci.nsIDOMKeyEvent.DOM_VK_RETURN:
if (this._autocompletePopupNavigated &&
this.autocompletePopup.isOpen &&
this.autocompletePopup.selectedIndex > -1) {
this.acceptProposedCompletion();
}
else {
this.execute();
this._inputChanged = false;
}
aEvent.preventDefault();
break;
case Ci.nsIDOMKeyEvent.DOM_VK_UP:
if (this.autocompletePopup.isOpen) {
inputUpdated = this.complete(this.COMPLETE_BACKWARD);
if (inputUpdated) {
this._autocompletePopupNavigated = true;
}
}
else if (this.canCaretGoPrevious()) {
inputUpdated = this.historyPeruse(HISTORY_BACK);
}
if (inputUpdated) {
aEvent.preventDefault();
}
break;
case Ci.nsIDOMKeyEvent.DOM_VK_DOWN:
if (this.autocompletePopup.isOpen) {
inputUpdated = this.complete(this.COMPLETE_FORWARD);
if (inputUpdated) {
this._autocompletePopupNavigated = true;
}
}
else if (this.canCaretGoNext()) {
inputUpdated = this.historyPeruse(HISTORY_FORWARD);
}
if (inputUpdated) {
aEvent.preventDefault();
}
break;
case Ci.nsIDOMKeyEvent.DOM_VK_HOME:
case Ci.nsIDOMKeyEvent.DOM_VK_END:
case Ci.nsIDOMKeyEvent.DOM_VK_LEFT:
if (this.autocompletePopup.isOpen || this.lastCompletion.value) {
this.clearCompletion();
}
break;
case Ci.nsIDOMKeyEvent.DOM_VK_RIGHT: {
let cursorAtTheEnd = this.inputNode.selectionStart ==
this.inputNode.selectionEnd &&
this.inputNode.selectionStart ==
this.inputNode.value.length;
let haveSuggestion = this.autocompletePopup.isOpen ||
this.lastCompletion.value;
let useCompletion = cursorAtTheEnd || this._autocompletePopupNavigated;
if (haveSuggestion && useCompletion &&
this.complete(this.COMPLETE_HINT_ONLY) &&
this.lastCompletion.value &&
this.acceptProposedCompletion()) {
aEvent.preventDefault();
}
if (this.autocompletePopup.isOpen) {
this.clearCompletion();
}
break;
}
case Ci.nsIDOMKeyEvent.DOM_VK_TAB:
// Generate a completion and accept the first proposed value.
if (this.complete(this.COMPLETE_HINT_ONLY) &&
this.lastCompletion &&
this.acceptProposedCompletion()) {
aEvent.preventDefault();
}
else if (this._inputChanged) {
this.updateCompleteNode(l10n.getStr("Autocomplete.blank"));
aEvent.preventDefault();
}
break;
default:
break;
}
},
/**
* The inputNode "focus" event handler.
* @private
*/
_focusEventHandler: function JST__focusEventHandler()
{
this._inputChanged = false;
},
/**
* Go up/down the history stack of input values.
*
* @param number aDirection
* History navigation direction: HISTORY_BACK or HISTORY_FORWARD.
*
* @returns boolean
* True if the input value changed, false otherwise.
*/
historyPeruse: function JST_historyPeruse(aDirection)
{
if (!this.history.length) {
return false;
}
// Up Arrow key
if (aDirection == HISTORY_BACK) {
if (this.historyPlaceHolder <= 0) {
return false;
}
let inputVal = this.history[--this.historyPlaceHolder];
// Save the current input value as the latest entry in history, only if
// the user is already at the last entry.
// Note: this code does not store changes to items that are already in
// history.
if (this.historyPlaceHolder+1 == this.historyIndex) {
this.history[this.historyIndex] = this.inputNode.value || "";
}
this.setInputValue(inputVal);
}
// Down Arrow key
else if (aDirection == HISTORY_FORWARD) {
if (this.historyPlaceHolder >= (this.history.length-1)) {
return false;
}
let inputVal = this.history[++this.historyPlaceHolder];
this.setInputValue(inputVal);
}
else {
throw new Error("Invalid argument 0");
}
return true;
},
/**
* Test for multiline input.
*
* @return boolean
* True if CR or LF found in node value; else false.
*/
hasMultilineInput: function JST_hasMultilineInput()
{
return /[\r\n]/.test(this.inputNode.value);
},
/**
* Check if the caret is at a location that allows selecting the previous item
* in history when the user presses the Up arrow key.
*
* @return boolean
* True if the caret is at a location that allows selecting the
* previous item in history when the user presses the Up arrow key,
* otherwise false.
*/
canCaretGoPrevious: function JST_canCaretGoPrevious()
{
let node = this.inputNode;
if (node.selectionStart != node.selectionEnd) {
return false;
}
let multiline = /[\r\n]/.test(node.value);
return node.selectionStart == 0 ? true :
node.selectionStart == node.value.length && !multiline;
},
/**
* Check if the caret is at a location that allows selecting the next item in
* history when the user presses the Down arrow key.
*
* @return boolean
* True if the caret is at a location that allows selecting the next
* item in history when the user presses the Down arrow key, otherwise
* false.
*/
canCaretGoNext: function JST_canCaretGoNext()
{
let node = this.inputNode;
if (node.selectionStart != node.selectionEnd) {
return false;
}
let multiline = /[\r\n]/.test(node.value);
return node.selectionStart == node.value.length ? true :
node.selectionStart == 0 && !multiline;
},
/**
* Completes the current typed text in the inputNode. Completion is performed
* only if the selection/cursor is at the end of the string. If no completion
* is found, the current inputNode value and cursor/selection stay.
*
* @param int aType possible values are
* - this.COMPLETE_FORWARD: If there is more than one possible completion
* and the input value stayed the same compared to the last time this
* function was called, then the next completion of all possible
* completions is used. If the value changed, then the first possible
* completion is used and the selection is set from the current
* cursor position to the end of the completed text.
* If there is only one possible completion, then this completion
* value is used and the cursor is put at the end of the completion.
* - this.COMPLETE_BACKWARD: Same as this.COMPLETE_FORWARD but if the
* value stayed the same as the last time the function was called,
* then the previous completion of all possible completions is used.
* - this.COMPLETE_HINT_ONLY: If there is more than one possible
* completion and the input value stayed the same compared to the
* last time this function was called, then the same completion is
* used again. If there is only one possible completion, then
* the inputNode.value is set to this value and the selection is set
* from the current cursor position to the end of the completed text.
* @param function aCallback
* Optional function invoked when the autocomplete properties are
* updated.
* @returns boolean true if there existed a completion for the current input,
* or false otherwise.
*/
complete: function JSTF_complete(aType, aCallback)
{
let inputNode = this.inputNode;
let inputValue = inputNode.value;
// If the inputNode has no value, then don't try to complete on it.
if (!inputValue) {
this.clearCompletion();
return false;
}
// Only complete if the selection is empty.
if (inputNode.selectionStart != inputNode.selectionEnd) {
this.clearCompletion();
return false;
}
// Update the completion results.
if (this.lastCompletion.value != inputValue) {
this._updateCompletionResult(aType, aCallback);
return false;
}
let popup = this.autocompletePopup;
let accepted = false;
if (aType != this.COMPLETE_HINT_ONLY && popup.itemCount == 1) {
this.acceptProposedCompletion();
accepted = true;
}
else if (aType == this.COMPLETE_BACKWARD) {
popup.selectPreviousItem();
}
else if (aType == this.COMPLETE_FORWARD) {
popup.selectNextItem();
}
aCallback && aCallback(this);
return accepted || popup.itemCount > 0;
},
/**
* Update the completion result. This operation is performed asynchronously by
* fetching updated results from the content process.
*
* @private
* @param int aType
* Completion type. See this.complete() for details.
* @param function [aCallback]
* Optional, function to invoke when completion results are received.
*/
_updateCompletionResult:
function JST__updateCompletionResult(aType, aCallback)
{
if (this.lastCompletion.value == this.inputNode.value) {
return;
}
let requestId = gSequenceId();
let cursor = this.inputNode.selectionStart;
let input = this.inputNode.value.substring(0, cursor);
let cache = this._autocompleteCache;
// If the current input starts with the previous input, then we already
// have a list of suggestions and we just need to filter the cached
// suggestions. When the current input ends with a non-alphanumeric
// character we ask the server again for suggestions.
// Check if last character is non-alphanumeric
if (!/[a-zA-Z0-9]$/.test(input)) {
this._autocompleteQuery = null;
this._autocompleteCache = null;
}
if (this._autocompleteQuery && input.startsWith(this._autocompleteQuery)) {
let filterBy = input;
// Find the last non-alphanumeric if exists.
let lastNonAlpha = input.match(/[^a-zA-Z0-9][a-zA-Z0-9]*$/);
// If input contains non-alphanumerics, use the part after the last one
// to filter the cache
if (lastNonAlpha) {
filterBy = input.substring(input.lastIndexOf(lastNonAlpha) + 1);
}
let newList = cache.sort().filter(function(l) {
return l.startsWith(filterBy);
});
this.lastCompletion = {
requestId: null,
completionType: aType,
value: null,
};
let response = { matches: newList, matchProp: filterBy };
this._receiveAutocompleteProperties(null, aCallback, response);
return;
}
this.lastCompletion = {
requestId: requestId,
completionType: aType,
value: null,
};
let callback = this._receiveAutocompleteProperties.bind(this, requestId,
aCallback);
this.webConsoleClient.autocomplete(input, cursor, callback);
},
/**
* Handler for the autocompletion results. This method takes
* the completion result received from the server and updates the UI
* accordingly.
*
* @param number aRequestId
* Request ID.
* @param function [aCallback=null]
* Optional, function to invoke when the completion result is received.
* @param object aMessage
* The JSON message which holds the completion results received from
* the content process.
*/
_receiveAutocompleteProperties:
function JST__receiveAutocompleteProperties(aRequestId, aCallback, aMessage)
{
let inputNode = this.inputNode;
let inputValue = inputNode.value;
if (this.lastCompletion.value == inputValue ||
aRequestId != this.lastCompletion.requestId) {
return;
}
// Cache whatever came from the server if the last char is alphanumeric or '.'
let cursor = inputNode.selectionStart;
let inputUntilCursor = inputValue.substring(0, cursor);
if (aRequestId != null && /[a-zA-Z0-9.]$/.test(inputUntilCursor)) {
this._autocompleteCache = aMessage.matches;
this._autocompleteQuery = inputUntilCursor;
}
let matches = aMessage.matches;
let lastPart = aMessage.matchProp;
if (!matches.length) {
this.clearCompletion();
return;
}
let items = matches.reverse().map(function(aMatch) {
return { preLabel: lastPart, label: aMatch };
});
let popup = this.autocompletePopup;
popup.setItems(items);
let completionType = this.lastCompletion.completionType;
this.lastCompletion = {
value: inputValue,
matchProp: lastPart,
};
if (items.length > 1 && !popup.isOpen) {
popup.openPopup(inputNode);
this._autocompletePopupNavigated = false;
}
else if (items.length < 2 && popup.isOpen) {
popup.hidePopup();
this._autocompletePopupNavigated = false;
}
if (items.length == 1) {
popup.selectedIndex = 0;
}
this.onAutocompleteSelect();
if (completionType != this.COMPLETE_HINT_ONLY && popup.itemCount == 1) {
this.acceptProposedCompletion();
}
else if (completionType == this.COMPLETE_BACKWARD) {
popup.selectPreviousItem();
}
else if (completionType == this.COMPLETE_FORWARD) {
popup.selectNextItem();
}
aCallback && aCallback(this);
},
onAutocompleteSelect: function JSTF_onAutocompleteSelect()
{
// Render the suggestion only if the cursor is at the end of the input.
if (this.inputNode.selectionStart != this.inputNode.value.length) {
return;
}
let currentItem = this.autocompletePopup.selectedItem;
if (currentItem && this.lastCompletion.value) {
let suffix = currentItem.label.substring(this.lastCompletion.
matchProp.length);
this.updateCompleteNode(suffix);
}
else {
this.updateCompleteNode("");
}
},
/**
* Clear the current completion information and close the autocomplete popup,
* if needed.
*/
clearCompletion: function JSTF_clearCompletion()
{
this.autocompletePopup.clearItems();
this.lastCompletion = { value: null };
this.updateCompleteNode("");
if (this.autocompletePopup.isOpen) {
this.autocompletePopup.hidePopup();
this._autocompletePopupNavigated = false;
}
},
/**
* Accept the proposed input completion.
*
* @return boolean
* True if there was a selected completion item and the input value
* was updated, false otherwise.
*/
acceptProposedCompletion: function JSTF_acceptProposedCompletion()
{
let updated = false;
let currentItem = this.autocompletePopup.selectedItem;
if (currentItem && this.lastCompletion.value) {
let suffix = currentItem.label.substring(this.lastCompletion.
matchProp.length);
let cursor = this.inputNode.selectionStart;
let value = this.inputNode.value;
this.setInputValue(value.substr(0, cursor) + suffix + value.substr(cursor));
let newCursor = cursor + suffix.length;
this.inputNode.selectionStart = this.inputNode.selectionEnd = newCursor;
updated = true;
}
this.clearCompletion();
return updated;
},
/**
* Update the node that displays the currently selected autocomplete proposal.
*
* @param string aSuffix
* The proposed suffix for the inputNode value.
*/
updateCompleteNode: function JSTF_updateCompleteNode(aSuffix)
{
// completion prefix = input, with non-control chars replaced by spaces
let prefix = aSuffix ? this.inputNode.value.replace(/[\S]/g, " ") : "";
this.completeNode.value = prefix + aSuffix;
},
/**
* The click event handler for evaluation results in the output.
*
* @private
* @param object aResponse
* The JavaScript evaluation response received from the server.
*/
_evalOutputClick: function JST__evalOutputClick(aResponse)
{
this.openVariablesView({
label: VariablesView.getString(aResponse.result),
objectActor: aResponse.result,
autofocus: true,
});
},
/**
* Destroy the sidebar.
* @private
*/
_sidebarDestroy: function JST__sidebarDestroy()
{
if (this._variablesView) {
this._variablesView.controller.releaseActors();
this._variablesView = null;
}
if (this.sidebar) {
this.sidebar.hide();
this.sidebar.destroy();
this.sidebar = null;
}
this.emit("sidebar-closed");
},
/**
* Destroy the JSTerm object. Call this method to avoid memory leaks.
*/
destroy: function JST_destroy()
{
this._sidebarDestroy();
this.clearCompletion();
this.clearOutput();
this.autocompletePopup.destroy();
this.autocompletePopup = null;
let popup = this.hud.owner.chromeWindow.document
.getElementById("webConsole_autocompletePopup");
if (popup) {
popup.parentNode.removeChild(popup);
}
this.inputNode.removeEventListener("keypress", this._keyPress, false);
this.inputNode.removeEventListener("input", this._inputEventHandler, false);
this.inputNode.removeEventListener("keyup", this._inputEventHandler, false);
this.inputNode.removeEventListener("focus", this._focusEventHandler, false);
this.hud = null;
},
};
/**
* Utils: a collection of globally used functions.
*/
var Utils = {
/**
* Scrolls a node so that it's visible in its containing element.
*
* @param nsIDOMNode aNode
* The node to make visible.
* @returns void
*/
scrollToVisible: function Utils_scrollToVisible(aNode)
{
aNode.scrollIntoView(false);
},
/**
* Check if the given output node is scrolled to the bottom.
*
* @param nsIDOMNode aOutputNode
* @return boolean
* True if the output node is scrolled to the bottom, or false
* otherwise.
*/
isOutputScrolledToBottom: function Utils_isOutputScrolledToBottom(aOutputNode)
{
let lastNodeHeight = aOutputNode.lastChild ?
aOutputNode.lastChild.clientHeight : 0;
let scrollNode = aOutputNode.parentNode;
return scrollNode.scrollTop + scrollNode.clientHeight >=
scrollNode.scrollHeight - lastNodeHeight / 2;
},
/**
* Determine the category of a given nsIScriptError.
*
* @param nsIScriptError aScriptError
* The script error you want to determine the category for.
* @return CATEGORY_JS|CATEGORY_CSS|CATEGORY_SECURITY
* Depending on the script error CATEGORY_JS, CATEGORY_CSS, or
* CATEGORY_SECURITY can be returned.
*/
categoryForScriptError: function Utils_categoryForScriptError(aScriptError)
{
switch (aScriptError.category) {
case "CSS Parser":
case "CSS Loader":
return CATEGORY_CSS;
case "Mixed Content Blocker":
case "Mixed Content Message":
case "CSP":
case "Invalid HSTS Headers":
case "Insecure Password Field":
case "SSL":
return CATEGORY_SECURITY;
default:
return CATEGORY_JS;
}
},
/**
* Retrieve the limit of messages for a specific category.
*
* @param number aCategory
* The category of messages you want to retrieve the limit for. See the
* CATEGORY_* constants.
* @return number
* The number of messages allowed for the specific category.
*/
logLimitForCategory: function Utils_logLimitForCategory(aCategory)
{
let logLimit = DEFAULT_LOG_LIMIT;
try {
let prefName = CATEGORY_CLASS_FRAGMENTS[aCategory];
logLimit = Services.prefs.getIntPref("devtools.hud.loglimit." + prefName);
logLimit = Math.max(logLimit, 1);
}
catch (e) { }
return logLimit;
},
};
///////////////////////////////////////////////////////////////////////////////
// CommandController
///////////////////////////////////////////////////////////////////////////////
/**
* A controller (an instance of nsIController) that makes editing actions
* behave appropriately in the context of the Web Console.
*/
function CommandController(aWebConsole)
{
this.owner = aWebConsole;
}
CommandController.prototype = {
/**
* Selects all the text in the HUD output.
*/
selectAll: function CommandController_selectAll()
{
this.owner.output.selectAllMessages();
},
/**
* Open the URL of the selected message in a new tab.
*/
openURL: function CommandController_openURL()
{
this.owner.openSelectedItemInTab();
},
copyURL: function CommandController_copyURL()
{
this.owner.copySelectedItems({ linkOnly: true, contextmenu: true });
},
supportsCommand: function CommandController_supportsCommand(aCommand)
{
if (!this.owner || !this.owner.output) {
return false;
}
return this.isCommandEnabled(aCommand);
},
isCommandEnabled: function CommandController_isCommandEnabled(aCommand)
{
switch (aCommand) {
case "consoleCmd_openURL":
case "consoleCmd_copyURL": {
// Only enable URL-related actions if node is Net Activity.
let selectedItem = this.owner.output.getSelectedMessages(1)[0] ||
this.owner._contextMenuHandler.lastClickedMessage;
return selectedItem && "url" in selectedItem;
}
case "consoleCmd_clearOutput":
case "cmd_selectAll":
case "cmd_find":
return true;
case "cmd_fontSizeEnlarge":
case "cmd_fontSizeReduce":
case "cmd_fontSizeReset":
case "cmd_close":
return this.owner.owner._browserConsole;
}
return false;
},
doCommand: function CommandController_doCommand(aCommand)
{
switch (aCommand) {
case "consoleCmd_openURL":
this.openURL();
break;
case "consoleCmd_copyURL":
this.copyURL();
break;
case "consoleCmd_clearOutput":
this.owner.jsterm.clearOutput(true);
break;
case "cmd_find":
this.owner.filterBox.focus();
break;
case "cmd_selectAll":
this.selectAll();
break;
case "cmd_fontSizeEnlarge":
this.owner.changeFontSize("+");
break;
case "cmd_fontSizeReduce":
this.owner.changeFontSize("-");
break;
case "cmd_fontSizeReset":
this.owner.changeFontSize("");
break;
case "cmd_close":
this.owner.window.close();
break;
}
}
};
///////////////////////////////////////////////////////////////////////////////
// Web Console connection proxy
///////////////////////////////////////////////////////////////////////////////
/**
* The WebConsoleConnectionProxy handles the connection between the Web Console
* and the application we connect to through the remote debug protocol.
*
* @constructor
* @param object aWebConsole
* The Web Console instance that owns this connection proxy.
* @param RemoteTarget aTarget
* The target that the console will connect to.
*/
function WebConsoleConnectionProxy(aWebConsole, aTarget)
{
this.owner = aWebConsole;
this.target = aTarget;
this._onPageError = this._onPageError.bind(this);
this._onLogMessage = this._onLogMessage.bind(this);
this._onConsoleAPICall = this._onConsoleAPICall.bind(this);
this._onNetworkEvent = this._onNetworkEvent.bind(this);
this._onNetworkEventUpdate = this._onNetworkEventUpdate.bind(this);
this._onFileActivity = this._onFileActivity.bind(this);
this._onTabNavigated = this._onTabNavigated.bind(this);
this._onAttachConsole = this._onAttachConsole.bind(this);
this._onCachedMessages = this._onCachedMessages.bind(this);
this._connectionTimeout = this._connectionTimeout.bind(this);
this._onLastPrivateContextExited = this._onLastPrivateContextExited.bind(this);
}
WebConsoleConnectionProxy.prototype = {
/**
* The owning Web Console instance.
*
* @see WebConsoleFrame
* @type object
*/
owner: null,
/**
* The target that the console connects to.
* @type RemoteTarget
*/
target: null,
/**
* The DebuggerClient object.
*
* @see DebuggerClient
* @type object
*/
client: null,
/**
* The WebConsoleClient object.
*
* @see WebConsoleClient
* @type object
*/
webConsoleClient: null,
/**
* Tells if the connection is established.
* @type boolean
*/
connected: false,
/**
* Timer used for the connection.
* @private
* @type object
*/
_connectTimer: null,
_connectDefer: null,
_disconnecter: null,
/**
* The WebConsoleActor ID.
*
* @private
* @type string
*/
_consoleActor: null,
/**
* Tells if the window.console object of the remote web page is the native
* object or not.
* @private
* @type boolean
*/
_hasNativeConsoleAPI: false,
/**
* Initialize a debugger client and connect it to the debugger server.
*
* @return object
* A promise object that is resolved/rejected based on the success of
* the connection initialization.
*/
connect: function WCCP_connect()
{
if (this._connectDefer) {
return this._connectDefer.promise;
}
this._connectDefer = promise.defer();
let timeout = Services.prefs.getIntPref(PREF_CONNECTION_TIMEOUT);
this._connectTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
this._connectTimer.initWithCallback(this._connectionTimeout,
timeout, Ci.nsITimer.TYPE_ONE_SHOT);
let connPromise = this._connectDefer.promise;
connPromise.then(function _onSucess() {
this._connectTimer.cancel();
this._connectTimer = null;
}.bind(this), function _onFailure() {
this._connectTimer = null;
}.bind(this));
let client = this.client = this.target.client;
client.addListener("logMessage", this._onLogMessage);
client.addListener("pageError", this._onPageError);
client.addListener("consoleAPICall", this._onConsoleAPICall);
client.addListener("networkEvent", this._onNetworkEvent);
client.addListener("networkEventUpdate", this._onNetworkEventUpdate);
client.addListener("fileActivity", this._onFileActivity);
client.addListener("lastPrivateContextExited", this._onLastPrivateContextExited);
this.target.on("will-navigate", this._onTabNavigated);
this.target.on("navigate", this._onTabNavigated);
this._consoleActor = this.target.form.consoleActor;
if (!this.target.chrome) {
let tab = this.target.form;
this.owner.onLocationChange(tab.url, tab.title);
}
this._attachConsole();
return connPromise;
},
/**
* Connection timeout handler.
* @private
*/
_connectionTimeout: function WCCP__connectionTimeout()
{
let error = {
error: "timeout",
message: l10n.getStr("connectionTimeout"),
};
this._connectDefer.reject(error);
},
/**
* Attach to the Web Console actor.
* @private
*/
_attachConsole: function WCCP__attachConsole()
{
let listeners = ["PageError", "ConsoleAPI", "NetworkActivity",
"FileActivity"];
this.client.attachConsole(this._consoleActor, listeners,
this._onAttachConsole);
},
/**
* The "attachConsole" response handler.
*
* @private
* @param object aResponse
* The JSON response object received from the server.
* @param object aWebConsoleClient
* The WebConsoleClient instance for the attached console, for the
* specific tab we work with.
*/
_onAttachConsole: function WCCP__onAttachConsole(aResponse, aWebConsoleClient)
{
if (aResponse.error) {
Cu.reportError("attachConsole failed: " + aResponse.error + " " +
aResponse.message);
this._connectDefer.reject(aResponse);
return;
}
this.webConsoleClient = aWebConsoleClient;
this._hasNativeConsoleAPI = aResponse.nativeConsoleAPI;
let msgs = ["PageError", "ConsoleAPI"];
this.webConsoleClient.getCachedMessages(msgs, this._onCachedMessages);
},
/**
* The "cachedMessages" response handler.
*
* @private
* @param object aResponse
* The JSON response object received from the server.
*/
_onCachedMessages: function WCCP__onCachedMessages(aResponse)
{
if (aResponse.error) {
Cu.reportError("Web Console getCachedMessages error: " + aResponse.error +
" " + aResponse.message);
this._connectDefer.reject(aResponse);
return;
}
if (!this._connectTimer) {
// This happens if the promise is rejected (eg. a timeout), but the
// connection attempt is successful, nonetheless.
Cu.reportError("Web Console getCachedMessages error: invalid state.");
}
this.owner.displayCachedMessages(aResponse.messages);
if (!this._hasNativeConsoleAPI) {
this.owner.logWarningAboutReplacedAPI();
}
this.connected = true;
this._connectDefer.resolve(this);
},
/**
* The "pageError" message type handler. We redirect any page errors to the UI
* for displaying.
*
* @private
* @param string aType
* Message type.
* @param object aPacket
* The message received from the server.
*/
_onPageError: function WCCP__onPageError(aType, aPacket)
{
if (this.owner && aPacket.from == this._consoleActor) {
this.owner.handlePageError(aPacket.pageError);
}
},
/**
* The "logMessage" message type handler. We redirect any message to the UI
* for displaying.
*
* @private
* @param string aType
* Message type.
* @param object aPacket
* The message received from the server.
*/
_onLogMessage: function WCCP__onLogMessage(aType, aPacket)
{
if (this.owner && aPacket.from == this._consoleActor) {
this.owner.handleLogMessage(aPacket);
}
},
/**
* The "consoleAPICall" message type handler. We redirect any message to
* the UI for displaying.
*
* @private
* @param string aType
* Message type.
* @param object aPacket
* The message received from the server.
*/
_onConsoleAPICall: function WCCP__onConsoleAPICall(aType, aPacket)
{
if (this.owner && aPacket.from == this._consoleActor) {
this.owner.handleConsoleAPICall(aPacket.message);
}
},
/**
* The "networkEvent" message type handler. We redirect any message to
* the UI for displaying.
*
* @private
* @param string aType
* Message type.
* @param object aPacket
* The message received from the server.
*/
_onNetworkEvent: function WCCP__onNetworkEvent(aType, aPacket)
{
if (this.owner && aPacket.from == this._consoleActor) {
this.owner.handleNetworkEvent(aPacket.eventActor);
}
},
/**
* The "networkEventUpdate" message type handler. We redirect any message to
* the UI for displaying.
*
* @private
* @param string aType
* Message type.
* @param object aPacket
* The message received from the server.
*/
_onNetworkEventUpdate: function WCCP__onNetworkEvenUpdatet(aType, aPacket)
{
if (this.owner) {
this.owner.handleNetworkEventUpdate(aPacket.from, aPacket.updateType,
aPacket);
}
},
/**
* The "fileActivity" message type handler. We redirect any message to
* the UI for displaying.
*
* @private
* @param string aType
* Message type.
* @param object aPacket
* The message received from the server.
*/
_onFileActivity: function WCCP__onFileActivity(aType, aPacket)
{
if (this.owner && aPacket.from == this._consoleActor) {
this.owner.handleFileActivity(aPacket.uri);
}
},
/**
* The "lastPrivateContextExited" message type handler. When this message is
* received the Web Console UI is cleared.
*
* @private
* @param string aType
* Message type.
* @param object aPacket
* The message received from the server.
*/
_onLastPrivateContextExited:
function WCCP__onLastPrivateContextExited(aType, aPacket)
{
if (this.owner && aPacket.from == this._consoleActor) {
this.owner.jsterm.clearPrivateMessages();
}
},
/**
* The "will-navigate" and "navigate" event handlers. We redirect any message
* to the UI for displaying.
*
* @private
* @param string aEvent
* Event type.
* @param object aPacket
* The message received from the server.
*/
_onTabNavigated: function WCCP__onTabNavigated(aEvent, aPacket)
{
if (!this.owner) {
return;
}
this.owner.handleTabNavigated(aEvent, aPacket);
},
/**
* Release an object actor.
*
* @param string aActor
* The actor ID to send the request to.
*/
releaseActor: function WCCP_releaseActor(aActor)
{
if (this.client) {
this.client.release(aActor);
}
},
/**
* Disconnect the Web Console from the remote server.
*
* @return object
* A promise object that is resolved when disconnect completes.
*/
disconnect: function WCCP_disconnect()
{
if (this._disconnecter) {
return this._disconnecter.promise;
}
this._disconnecter = promise.defer();
if (!this.client) {
this._disconnecter.resolve(null);
return this._disconnecter.promise;
}
this.client.removeListener("logMessage", this._onLogMessage);
this.client.removeListener("pageError", this._onPageError);
this.client.removeListener("consoleAPICall", this._onConsoleAPICall);
this.client.removeListener("networkEvent", this._onNetworkEvent);
this.client.removeListener("networkEventUpdate", this._onNetworkEventUpdate);
this.client.removeListener("fileActivity", this._onFileActivity);
this.client.removeListener("lastPrivateContextExited", this._onLastPrivateContextExited);
this.target.off("will-navigate", this._onTabNavigated);
this.target.off("navigate", this._onTabNavigated);
this.client = null;
this.webConsoleClient = null;
this.target = null;
this.connected = false;
this.owner = null;
this._disconnecter.resolve(null);
return this._disconnecter.promise;
},
};
function gSequenceId()
{
return gSequenceId.n++;
}
gSequenceId.n = 0;
///////////////////////////////////////////////////////////////////////////////
// Context Menu
///////////////////////////////////////////////////////////////////////////////
/*
* ConsoleContextMenu this used to handle the visibility of context menu items.
*
* @constructor
* @param object aOwner
* The WebConsoleFrame instance that owns this object.
*/
function ConsoleContextMenu(aOwner)
{
this.owner = aOwner;
this.popup = this.owner.document.getElementById("output-contextmenu");
this.build = this.build.bind(this);
this.popup.addEventListener("popupshowing", this.build);
}
ConsoleContextMenu.prototype = {
lastClickedMessage: null,
/*
* Handle to show/hide context menu item.
*/
build: function CCM_build(aEvent)
{
let metadata = this.getSelectionMetadata(aEvent.rangeParent);
for (let element of this.popup.children) {
element.hidden = this.shouldHideMenuItem(element, metadata);
}
},
/*
* Get selection information from the view.
*
* @param nsIDOMElement aClickElement
* The DOM element the user clicked on.
* @return object
* Selection metadata.
*/
getSelectionMetadata: function CCM_getSelectionMetadata(aClickElement)
{
let metadata = {
selectionType: "",
selection: new Set(),
};
let selectedItems = this.owner.output.getSelectedMessages();
if (!selectedItems.length) {
let clickedItem = this.owner.output.getMessageForElement(aClickElement);
if (clickedItem) {
this.lastClickedMessage = clickedItem;
selectedItems = [clickedItem];
}
}
metadata.selectionType = selectedItems.length > 1 ? "multiple" : "single";
let selection = metadata.selection;
for (let item of selectedItems) {
switch (item.category) {
case CATEGORY_NETWORK:
selection.add("network");
break;
case CATEGORY_CSS:
selection.add("css");
break;
case CATEGORY_JS:
selection.add("js");
break;
case CATEGORY_WEBDEV:
selection.add("webdev");
break;
}
}
return metadata;
},
/*
* Determine if an item should be hidden.
*
* @param nsIDOMElement aMenuItem
* @param object aMetadata
* @return boolean
* Whether the given item should be hidden or not.
*/
shouldHideMenuItem: function CCM_shouldHideMenuItem(aMenuItem, aMetadata)
{
let selectionType = aMenuItem.getAttribute("selectiontype");
if (selectionType && !aMetadata.selectionType == selectionType) {
return true;
}
let selection = aMenuItem.getAttribute("selection");
if (!selection) {
return false;
}
let shouldHide = true;
let itemData = selection.split("|");
for (let type of aMetadata.selection) {
// check whether this menu item should show or not.
if (itemData.indexOf(type) !== -1) {
shouldHide = false;
break;
}
}
return shouldHide;
},
/**
* Destroy the ConsoleContextMenu object instance.
*/
destroy: function CCM_destroy()
{
this.popup.removeEventListener("popupshowing", this.build);
this.popup = null;
this.owner = null;
this.lastClickedMessage = null;
},
};