mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
3223 lines
93 KiB
JavaScript
3223 lines
93 KiB
JavaScript
/* -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const Ci = Components.interfaces;
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const Cu = Components.utils;
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const DBG_STRINGS_URI = "chrome://browser/locale/devtools/debugger.properties";
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const LAZY_EMPTY_DELAY = 150; // ms
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const LAZY_EXPAND_DELAY = 50; // ms
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const LAZY_APPEND_DELAY = 100; // ms
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const LAZY_APPEND_BATCH = 100; // nodes
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const PAGE_SIZE_SCROLL_HEIGHT_RATIO = 100;
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const PAGE_SIZE_MAX_JUMPS = 30;
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const SEARCH_ACTION_MAX_DELAY = 300; // ms
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource:///modules/devtools/ViewHelpers.jsm");
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Cu.import("resource:///modules/devtools/shared/event-emitter.js");
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let promise = Cu.import("resource://gre/modules/commonjs/sdk/core/promise.js").Promise;
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XPCOMUtils.defineLazyModuleGetter(this, "devtools",
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"resource://gre/modules/devtools/Loader.jsm");
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Object.defineProperty(this, "WebConsoleUtils", {
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get: function() {
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return devtools.require("devtools/toolkit/webconsole/utils").Utils;
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},
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configurable: true,
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enumerable: true
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});
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Object.defineProperty(this, "NetworkHelper", {
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get: function() {
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return devtools.require("devtools/toolkit/webconsole/network-helper");
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},
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configurable: true,
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enumerable: true
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});
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this.EXPORTED_SYMBOLS = ["VariablesView"];
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/**
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* Debugger localization strings.
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*/
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const STR = Services.strings.createBundle(DBG_STRINGS_URI);
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/**
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* A tree view for inspecting scopes, objects and properties.
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* Iterable via "for (let [id, scope] in instance) { }".
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* Requires the devtools common.css and debugger.css skin stylesheets.
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*
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* To allow replacing variable or property values in this view, provide an
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* "eval" function property. To allow replacing variable or property names,
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* provide a "switch" function. To handle deleting variables or properties,
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* provide a "delete" function.
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*
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* @param nsIDOMNode aParentNode
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* The parent node to hold this view.
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* @param object aFlags [optional]
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* An object contaning initialization options for this view.
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* e.g. { lazyEmpty: true, searchEnabled: true ... }
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*/
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this.VariablesView = function VariablesView(aParentNode, aFlags = {}) {
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this._store = []; // Can't use a Map because Scope names needn't be unique.
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this._itemsByElement = new WeakMap();
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this._prevHierarchy = new Map();
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this._currHierarchy = new Map();
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this._parent = aParentNode;
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this._parent.classList.add("variables-view-container");
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this._appendEmptyNotice();
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this._onSearchboxInput = this._onSearchboxInput.bind(this);
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this._onSearchboxKeyPress = this._onSearchboxKeyPress.bind(this);
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this._onViewKeyPress = this._onViewKeyPress.bind(this);
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// Create an internal scrollbox container.
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this._list = this.document.createElement("scrollbox");
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this._list.setAttribute("orient", "vertical");
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this._list.addEventListener("keypress", this._onViewKeyPress, false);
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this._parent.appendChild(this._list);
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this._boxObject = this._list.boxObject.QueryInterface(Ci.nsIScrollBoxObject);
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for (let name in aFlags) {
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this[name] = aFlags[name];
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}
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EventEmitter.decorate(this);
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};
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VariablesView.prototype = {
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/**
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* Helper setter for populating this container with a raw object.
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*
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* @param object aObject
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* The raw object to display. You can only provide this object
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* if you want the variables view to work in sync mode.
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*/
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set rawObject(aObject) {
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this.empty();
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this.addScope().addItem().populate(aObject, { sorted: true });
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},
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/**
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* Adds a scope to contain any inspected variables.
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*
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* @param string aName
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* The scope's name (e.g. "Local", "Global" etc.).
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* @return Scope
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* The newly created Scope instance.
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*/
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addScope: function(aName = "") {
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this._removeEmptyNotice();
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this._toggleSearchVisibility(true);
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let scope = new Scope(this, aName);
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this._store.push(scope);
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this._itemsByElement.set(scope._target, scope);
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this._currHierarchy.set(aName, scope);
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scope.header = !!aName;
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return scope;
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},
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/**
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* Removes all items from this container.
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*
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* @param number aTimeout [optional]
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* The number of milliseconds to delay the operation if
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* lazy emptying of this container is enabled.
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*/
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empty: function(aTimeout = this.lazyEmptyDelay) {
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// If there are no items in this container, emptying is useless.
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if (!this._store.length) {
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return;
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}
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// Check if this empty operation may be executed lazily.
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if (this.lazyEmpty && aTimeout > 0) {
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this._emptySoon(aTimeout);
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return;
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}
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let list = this._list;
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while (list.hasChildNodes()) {
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list.firstChild.remove();
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}
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this._store.length = 0;
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this._itemsByElement.clear();
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this._appendEmptyNotice();
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this._toggleSearchVisibility(false);
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},
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/**
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* Emptying this container and rebuilding it immediately afterwards would
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* result in a brief redraw flicker, because the previously expanded nodes
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* may get asynchronously re-expanded, after fetching the prototype and
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* properties from a server.
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*
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* To avoid such behaviour, a normal container list is rebuild, but not
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* immediately attached to the parent container. The old container list
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* is kept around for a short period of time, hopefully accounting for the
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* data fetching delay. In the meantime, any operations can be executed
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* normally.
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*
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* @see VariablesView.empty
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* @see VariablesView.commitHierarchy
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*/
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_emptySoon: function(aTimeout) {
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let prevList = this._list;
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let currList = this._list = this.document.createElement("scrollbox");
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this._store.length = 0;
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this._itemsByElement.clear();
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this._emptyTimeout = this.window.setTimeout(() => {
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this._emptyTimeout = null;
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prevList.removeEventListener("keypress", this._onViewKeyPress, false);
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currList.addEventListener("keypress", this._onViewKeyPress, false);
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currList.setAttribute("orient", "vertical");
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this._parent.removeChild(prevList);
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this._parent.appendChild(currList);
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this._boxObject = currList.boxObject.QueryInterface(Ci.nsIScrollBoxObject);
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if (!this._store.length) {
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this._appendEmptyNotice();
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this._toggleSearchVisibility(false);
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}
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}, aTimeout);
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},
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/**
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* The controller for this VariablesView, if it has one.
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*/
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controller: null,
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/**
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* The amount of time (in milliseconds) it takes to empty this view lazily.
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*/
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lazyEmptyDelay: LAZY_EMPTY_DELAY,
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/**
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* Specifies if this view may be emptied lazily.
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* @see VariablesView.prototype.empty
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*/
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lazyEmpty: false,
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/**
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* Specifies if nodes in this view may be added lazily.
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* @see Scope.prototype._lazyAppend
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*/
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lazyAppend: true,
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/**
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* Specifies if nodes in this view may be expanded lazily.
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* @see Scope.prototype.expand
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*/
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lazyExpand: true,
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/**
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* Function called each time a variable or property's value is changed via
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* user interaction. If null, then value changes are disabled.
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*
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* This property is applied recursively onto each scope in this view and
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* affects only the child nodes when they're created.
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*/
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eval: null,
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/**
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* Function called each time a variable or property's name is changed via
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* user interaction. If null, then name changes are disabled.
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*
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* This property is applied recursively onto each scope in this view and
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* affects only the child nodes when they're created.
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*/
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switch: null,
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/**
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* Function called each time a variable or property is deleted via
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* user interaction. If null, then deletions are disabled.
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*
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* This property is applied recursively onto each scope in this view and
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* affects only the child nodes when they're created.
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*/
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delete: null,
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/**
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* Specifies if after an eval or switch operation, the variable or property
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* which has been edited should be disabled.
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*/
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preventDisableOnChage: false,
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/**
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* Specifies if, whenever a variable or property descriptor is available,
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* configurable, enumerable, writable, frozen, sealed and extensible
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* attributes should not affect presentation.
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*
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* This flag is applied recursively onto each scope in this view and
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* affects only the child nodes when they're created.
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*/
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preventDescriptorModifiers: false,
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/**
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* The tooltip text shown on a variable or property's value if an |eval|
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* function is provided, in order to change the variable or property's value.
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*
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* This flag is applied recursively onto each scope in this view and
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* affects only the child nodes when they're created.
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*/
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editableValueTooltip: STR.GetStringFromName("variablesEditableValueTooltip"),
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/**
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* The tooltip text shown on a variable or property's name if a |switch|
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* function is provided, in order to change the variable or property's name.
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*
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* This flag is applied recursively onto each scope in this view and
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* affects only the child nodes when they're created.
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*/
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editableNameTooltip: STR.GetStringFromName("variablesEditableNameTooltip"),
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/**
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* The tooltip text shown on a variable or property's edit button if an
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* |eval| function is provided and a getter/setter descriptor is present,
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* in order to change the variable or property to a plain value.
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*
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* This flag is applied recursively onto each scope in this view and
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* affects only the child nodes when they're created.
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*/
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editButtonTooltip: STR.GetStringFromName("variablesEditButtonTooltip"),
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/**
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* The tooltip text shown on a variable or property's delete button if a
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* |delete| function is provided, in order to delete the variable or property.
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*
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* This flag is applied recursively onto each scope in this view and
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* affects only the child nodes when they're created.
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*/
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deleteButtonTooltip: STR.GetStringFromName("variablesCloseButtonTooltip"),
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/**
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* Specifies the context menu attribute set on variables and properties.
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*
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* This flag is applied recursively onto each scope in this view and
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* affects only the child nodes when they're created.
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*/
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contextMenuId: "",
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/**
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* The separator label between the variables or properties name and value.
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*
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* This flag is applied recursively onto each scope in this view and
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* affects only the child nodes when they're created.
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*/
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separatorStr: STR.GetStringFromName("variablesSeparatorLabel"),
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/**
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* Specifies if enumerable properties and variables should be displayed.
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* These variables and properties are visible by default.
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* @param boolean aFlag
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*/
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set enumVisible(aFlag) {
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this._enumVisible = aFlag;
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for (let scope of this._store) {
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scope._enumVisible = aFlag;
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}
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},
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/**
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* Specifies if non-enumerable properties and variables should be displayed.
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* These variables and properties are visible by default.
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* @param boolean aFlag
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*/
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set nonEnumVisible(aFlag) {
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this._nonEnumVisible = aFlag;
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for (let scope of this._store) {
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scope._nonEnumVisible = aFlag;
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}
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},
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/**
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* Specifies if only enumerable properties and variables should be displayed.
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* Both types of these variables and properties are visible by default.
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* @param boolean aFlag
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*/
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set onlyEnumVisible(aFlag) {
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if (aFlag) {
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this.enumVisible = true;
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this.nonEnumVisible = false;
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} else {
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this.enumVisible = true;
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this.nonEnumVisible = true;
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}
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},
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/**
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* Sets if the variable and property searching is enabled.
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* @param boolean aFlag
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*/
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set searchEnabled(aFlag) aFlag ? this._enableSearch() : this._disableSearch(),
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/**
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* Gets if the variable and property searching is enabled.
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* @return boolean
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*/
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get searchEnabled() !!this._searchboxContainer,
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/**
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* Sets the text displayed for the searchbox in this container.
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* @param string aValue
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*/
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set searchPlaceholder(aValue) {
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if (this._searchboxNode) {
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this._searchboxNode.setAttribute("placeholder", aValue);
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}
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this._searchboxPlaceholder = aValue;
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},
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/**
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* Gets the text displayed for the searchbox in this container.
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* @return string
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*/
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get searchPlaceholder() this._searchboxPlaceholder,
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/**
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* Enables variable and property searching in this view.
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* Use the "searchEnabled" setter to enable searching.
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*/
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_enableSearch: function() {
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// If searching was already enabled, no need to re-enable it again.
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if (this._searchboxContainer) {
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return;
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}
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let document = this.document;
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let ownerView = this._parent.parentNode;
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let container = this._searchboxContainer = document.createElement("hbox");
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container.className = "devtools-toolbar";
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// Hide the variables searchbox container if there are no variables or
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// properties to display.
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container.hidden = !this._store.length;
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let searchbox = this._searchboxNode = document.createElement("textbox");
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searchbox.className = "variables-view-searchinput devtools-searchinput";
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searchbox.setAttribute("placeholder", this._searchboxPlaceholder);
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searchbox.setAttribute("type", "search");
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searchbox.setAttribute("flex", "1");
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searchbox.addEventListener("input", this._onSearchboxInput, false);
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searchbox.addEventListener("keypress", this._onSearchboxKeyPress, false);
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container.appendChild(searchbox);
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ownerView.insertBefore(container, this._parent);
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},
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/**
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* Disables variable and property searching in this view.
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* Use the "searchEnabled" setter to disable searching.
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*/
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_disableSearch: function() {
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// If searching was already disabled, no need to re-disable it again.
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if (!this._searchboxContainer) {
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return;
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}
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this._searchboxContainer.remove();
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this._searchboxNode.removeEventListener("input", this._onSearchboxInput, false);
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this._searchboxNode.removeEventListener("keypress", this._onSearchboxKeyPress, false);
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this._searchboxContainer = null;
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this._searchboxNode = null;
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},
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/**
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* Sets the variables searchbox container hidden or visible.
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* It's hidden by default.
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*
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* @param boolean aVisibleFlag
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* Specifies the intended visibility.
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*/
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_toggleSearchVisibility: function(aVisibleFlag) {
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// If searching was already disabled, there's no need to hide it.
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if (!this._searchboxContainer) {
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return;
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}
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this._searchboxContainer.hidden = !aVisibleFlag;
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},
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/**
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* Listener handling the searchbox input event.
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*/
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_onSearchboxInput: function() {
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this.performSearch(this._searchboxNode.value);
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},
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/**
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* Listener handling the searchbox key press event.
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*/
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_onSearchboxKeyPress: function(e) {
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switch(e.keyCode) {
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case e.DOM_VK_RETURN:
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case e.DOM_VK_ENTER:
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this._onSearchboxInput();
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return;
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case e.DOM_VK_ESCAPE:
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this._searchboxNode.value = "";
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this._onSearchboxInput();
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return;
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}
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},
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/**
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* Allows searches to be scheduled and delayed to avoid redundant calls.
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*/
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delayedSearch: true,
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/**
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* Schedules searching for variables or properties matching the query.
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*
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* @param string aQuery
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* The variable or property to search for.
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*/
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scheduleSearch: function(aQuery) {
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if (!this.delayedSearch) {
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this.performSearch(aQuery);
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return;
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}
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let delay = Math.max(SEARCH_ACTION_MAX_DELAY / aQuery.length, 0);
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this.window.clearTimeout(this._searchTimeout);
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this._searchFunction = this._startSearch.bind(this, aQuery);
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this._searchTimeout = this.window.setTimeout(this._searchFunction, delay);
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},
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/**
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* Immediately searches for variables or properties matching the query.
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*
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* @param string aQuery
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* The variable or property to search for.
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*/
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performSearch: function(aQuery) {
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this.window.clearTimeout(this._searchTimeout);
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this._searchFunction = null;
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this._startSearch(aQuery);
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},
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/**
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* Performs a case insensitive search for variables or properties matching
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* the query, and hides non-matched items.
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*
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* If aQuery is empty string, then all the scopes are unhidden and expanded,
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* while the available variables and properties inside those scopes are
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* just unhidden.
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*
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* If aQuery is null or undefined, then all the scopes are just unhidden,
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* and the available variables and properties inside those scopes are also
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* just unhidden.
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*
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* @param string aQuery
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* The variable or property to search for.
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*/
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_startSearch: function(aQuery) {
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for (let scope of this._store) {
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switch (aQuery) {
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case "":
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scope.expand();
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// fall through
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case null:
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case undefined:
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scope._performSearch("");
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break;
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default:
|
|
scope._performSearch(aQuery.toLowerCase());
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Expands the first search results in this container.
|
|
*/
|
|
expandFirstSearchResults: function() {
|
|
for (let scope of this._store) {
|
|
let match = scope._firstMatch;
|
|
if (match) {
|
|
match.expand();
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Find the first item in the tree of visible items in this container that
|
|
* matches the predicate. Searches in visual order (the order seen by the
|
|
* user). Descends into each scope to check the scope and its children.
|
|
*
|
|
* @param function aPredicate
|
|
* A function that returns true when a match is found.
|
|
* @return Scope | Variable | Property
|
|
* The first visible scope, variable or property, or null if nothing
|
|
* is found.
|
|
*/
|
|
_findInVisibleItems: function(aPredicate) {
|
|
for (let scope of this._store) {
|
|
let result = scope._findInVisibleItems(aPredicate);
|
|
if (result) {
|
|
return result;
|
|
}
|
|
}
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Find the last item in the tree of visible items in this container that
|
|
* matches the predicate. Searches in reverse visual order (opposite of the
|
|
* order seen by the user). Descends into each scope to check the scope and
|
|
* its children.
|
|
*
|
|
* @param function aPredicate
|
|
* A function that returns true when a match is found.
|
|
* @return Scope | Variable | Property
|
|
* The last visible scope, variable or property, or null if nothing
|
|
* is found.
|
|
*/
|
|
_findInVisibleItemsReverse: function(aPredicate) {
|
|
for (let i = this._store.length - 1; i >= 0; i--) {
|
|
let scope = this._store[i];
|
|
let result = scope._findInVisibleItemsReverse(aPredicate);
|
|
if (result) {
|
|
return result;
|
|
}
|
|
}
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Searches for the scope in this container displayed by the specified node.
|
|
*
|
|
* @param nsIDOMNode aNode
|
|
* The node to search for.
|
|
* @return Scope
|
|
* The matched scope, or null if nothing is found.
|
|
*/
|
|
getScopeForNode: function(aNode) {
|
|
let item = this._itemsByElement.get(aNode);
|
|
// Match only Scopes, not Variables or Properties.
|
|
if (item && !(item instanceof Variable)) {
|
|
return item;
|
|
}
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Recursively searches this container for the scope, variable or property
|
|
* displayed by the specified node.
|
|
*
|
|
* @param nsIDOMNode aNode
|
|
* The node to search for.
|
|
* @return Scope | Variable | Property
|
|
* The matched scope, variable or property, or null if nothing is found.
|
|
*/
|
|
getItemForNode: function(aNode) {
|
|
return this._itemsByElement.get(aNode);
|
|
},
|
|
|
|
/**
|
|
* Gets the currently focused scope, variable or property in this view.
|
|
*
|
|
* @return Scope | Variable | Property
|
|
* The focused scope, variable or property, or null if nothing is found.
|
|
*/
|
|
getFocusedItem: function() {
|
|
let focused = this.document.commandDispatcher.focusedElement;
|
|
return this.getItemForNode(focused);
|
|
},
|
|
|
|
/**
|
|
* Focuses the first visible scope, variable, or property in this container.
|
|
*/
|
|
focusFirstVisibleItem: function() {
|
|
let focusableItem = this._findInVisibleItems(item => item.focusable);
|
|
if (focusableItem) {
|
|
this._focusItem(focusableItem);
|
|
}
|
|
this._parent.scrollTop = 0;
|
|
this._parent.scrollLeft = 0;
|
|
},
|
|
|
|
/**
|
|
* Focuses the last visible scope, variable, or property in this container.
|
|
*/
|
|
focusLastVisibleItem: function() {
|
|
let focusableItem = this._findInVisibleItemsReverse(item => item.focusable);
|
|
if (focusableItem) {
|
|
this._focusItem(focusableItem);
|
|
}
|
|
this._parent.scrollTop = this._parent.scrollHeight;
|
|
this._parent.scrollLeft = 0;
|
|
},
|
|
|
|
/**
|
|
* Focuses the next scope, variable or property in this view.
|
|
*/
|
|
focusNextItem: function() {
|
|
this.focusItemAtDelta(+1);
|
|
},
|
|
|
|
/**
|
|
* Focuses the previous scope, variable or property in this view.
|
|
*/
|
|
focusPrevItem: function() {
|
|
this.focusItemAtDelta(-1);
|
|
},
|
|
|
|
/**
|
|
* Focuses another scope, variable or property in this view, based on
|
|
* the index distance from the currently focused item.
|
|
*
|
|
* @param number aDelta
|
|
* A scalar specifying by how many items should the selection change.
|
|
*/
|
|
focusItemAtDelta: function(aDelta) {
|
|
let direction = aDelta > 0 ? "advanceFocus" : "rewindFocus";
|
|
let distance = Math.abs(Math[aDelta > 0 ? "ceil" : "floor"](aDelta));
|
|
while (distance--) {
|
|
if (!this._focusChange(direction)) {
|
|
break; // Out of bounds.
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Focuses the next or previous scope, variable or property in this view.
|
|
*
|
|
* @param string aDirection
|
|
* Either "advanceFocus" or "rewindFocus".
|
|
* @return boolean
|
|
* False if the focus went out of bounds and the first or last element
|
|
* in this view was focused instead.
|
|
*/
|
|
_focusChange: function(aDirection) {
|
|
let commandDispatcher = this.document.commandDispatcher;
|
|
let prevFocusedElement = commandDispatcher.focusedElement;
|
|
let currFocusedItem = null;
|
|
|
|
do {
|
|
commandDispatcher.suppressFocusScroll = true;
|
|
commandDispatcher[aDirection]();
|
|
|
|
// Make sure the newly focused item is a part of this view.
|
|
// If the focus goes out of bounds, revert the previously focused item.
|
|
if (!(currFocusedItem = this.getFocusedItem())) {
|
|
prevFocusedElement.focus();
|
|
return false;
|
|
}
|
|
} while (!currFocusedItem.focusable);
|
|
|
|
// Focus remained within bounds.
|
|
return true;
|
|
},
|
|
|
|
/**
|
|
* Focuses a scope, variable or property and makes sure it's visible.
|
|
*
|
|
* @param aItem Scope | Variable | Property
|
|
* The item to focus.
|
|
* @param boolean aCollapseFlag
|
|
* True if the focused item should also be collapsed.
|
|
* @return boolean
|
|
* True if the item was successfully focused.
|
|
*/
|
|
_focusItem: function(aItem, aCollapseFlag) {
|
|
if (!aItem.focusable) {
|
|
return false;
|
|
}
|
|
if (aCollapseFlag) {
|
|
aItem.collapse();
|
|
}
|
|
aItem._target.focus();
|
|
this._boxObject.ensureElementIsVisible(aItem._arrow);
|
|
return true;
|
|
},
|
|
|
|
/**
|
|
* Listener handling a key press event on the view.
|
|
*/
|
|
_onViewKeyPress: function(e) {
|
|
let item = this.getFocusedItem();
|
|
|
|
// Prevent scrolling when pressing navigation keys.
|
|
ViewHelpers.preventScrolling(e);
|
|
|
|
switch (e.keyCode) {
|
|
case e.DOM_VK_UP:
|
|
// Always rewind focus.
|
|
this.focusPrevItem(true);
|
|
return;
|
|
|
|
case e.DOM_VK_DOWN:
|
|
// Always advance focus.
|
|
this.focusNextItem(true);
|
|
return;
|
|
|
|
case e.DOM_VK_LEFT:
|
|
// Collapse scopes, variables and properties before rewinding focus.
|
|
if (item._isExpanded && item._isArrowVisible) {
|
|
item.collapse();
|
|
} else {
|
|
this._focusItem(item.ownerView);
|
|
}
|
|
return;
|
|
|
|
case e.DOM_VK_RIGHT:
|
|
// Nothing to do here if this item never expands.
|
|
if (!item._isArrowVisible) {
|
|
return;
|
|
}
|
|
// Expand scopes, variables and properties before advancing focus.
|
|
if (!item._isExpanded) {
|
|
item.expand();
|
|
} else {
|
|
this.focusNextItem(true);
|
|
}
|
|
return;
|
|
|
|
case e.DOM_VK_PAGE_UP:
|
|
// Rewind a certain number of elements based on the container height.
|
|
this.focusItemAtDelta(-(this.pageSize || Math.min(Math.floor(this._list.scrollHeight /
|
|
PAGE_SIZE_SCROLL_HEIGHT_RATIO),
|
|
PAGE_SIZE_MAX_JUMPS)));
|
|
return;
|
|
|
|
case e.DOM_VK_PAGE_DOWN:
|
|
// Advance a certain number of elements based on the container height.
|
|
this.focusItemAtDelta(+(this.pageSize || Math.min(Math.floor(this._list.scrollHeight /
|
|
PAGE_SIZE_SCROLL_HEIGHT_RATIO),
|
|
PAGE_SIZE_MAX_JUMPS)));
|
|
return;
|
|
|
|
case e.DOM_VK_HOME:
|
|
this.focusFirstVisibleItem();
|
|
return;
|
|
|
|
case e.DOM_VK_END:
|
|
this.focusLastVisibleItem();
|
|
return;
|
|
|
|
case e.DOM_VK_RETURN:
|
|
case e.DOM_VK_ENTER:
|
|
// Start editing the value or name of the Variable or Property.
|
|
if (item instanceof Variable) {
|
|
if (e.metaKey || e.altKey || e.shiftKey) {
|
|
item._activateNameInput();
|
|
} else {
|
|
item._activateValueInput();
|
|
}
|
|
}
|
|
return;
|
|
|
|
case e.DOM_VK_DELETE:
|
|
case e.DOM_VK_BACK_SPACE:
|
|
// Delete the Variable or Property if allowed.
|
|
if (item instanceof Variable) {
|
|
item._onDelete(e);
|
|
}
|
|
return;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* The number of elements in this container to jump when Page Up or Page Down
|
|
* keys are pressed. If falsy, then the page size will be based on the
|
|
* container height.
|
|
*/
|
|
pageSize: 0,
|
|
|
|
/**
|
|
* Sets the text displayed in this container when there are no available items.
|
|
* @param string aValue
|
|
*/
|
|
set emptyText(aValue) {
|
|
if (this._emptyTextNode) {
|
|
this._emptyTextNode.setAttribute("value", aValue);
|
|
}
|
|
this._emptyTextValue = aValue;
|
|
this._appendEmptyNotice();
|
|
},
|
|
|
|
/**
|
|
* Creates and appends a label signaling that this container is empty.
|
|
*/
|
|
_appendEmptyNotice: function() {
|
|
if (this._emptyTextNode || !this._emptyTextValue) {
|
|
return;
|
|
}
|
|
|
|
let label = this.document.createElement("label");
|
|
label.className = "variables-view-empty-notice";
|
|
label.setAttribute("value", this._emptyTextValue);
|
|
|
|
this._parent.appendChild(label);
|
|
this._emptyTextNode = label;
|
|
},
|
|
|
|
/**
|
|
* Removes the label signaling that this container is empty.
|
|
*/
|
|
_removeEmptyNotice: function() {
|
|
if (!this._emptyTextNode) {
|
|
return;
|
|
}
|
|
|
|
this._parent.removeChild(this._emptyTextNode);
|
|
this._emptyTextNode = null;
|
|
},
|
|
|
|
/**
|
|
* Gets the parent node holding this view.
|
|
* @return nsIDOMNode
|
|
*/
|
|
get parentNode() this._parent,
|
|
|
|
/**
|
|
* Gets the owner document holding this view.
|
|
* @return nsIHTMLDocument
|
|
*/
|
|
get document() this._document || (this._document = this._parent.ownerDocument),
|
|
|
|
/**
|
|
* Gets the default window holding this view.
|
|
* @return nsIDOMWindow
|
|
*/
|
|
get window() this._window || (this._window = this.document.defaultView),
|
|
|
|
_document: null,
|
|
_window: null,
|
|
|
|
_store: null,
|
|
_prevHierarchy: null,
|
|
_currHierarchy: null,
|
|
_enumVisible: true,
|
|
_nonEnumVisible: true,
|
|
_emptyTimeout: null,
|
|
_searchTimeout: null,
|
|
_searchFunction: null,
|
|
_parent: null,
|
|
_list: null,
|
|
_boxObject: null,
|
|
_searchboxNode: null,
|
|
_searchboxContainer: null,
|
|
_searchboxPlaceholder: "",
|
|
_emptyTextNode: null,
|
|
_emptyTextValue: ""
|
|
};
|
|
|
|
VariablesView.NON_SORTABLE_CLASSES = [
|
|
"Array",
|
|
"Int8Array",
|
|
"Uint8Array",
|
|
"Uint8ClampedArray",
|
|
"Int16Array",
|
|
"Uint16Array",
|
|
"Int32Array",
|
|
"Uint32Array",
|
|
"Float32Array",
|
|
"Float64Array"
|
|
];
|
|
|
|
/**
|
|
* Determine whether an object's properties should be sorted based on its class.
|
|
*
|
|
* @param string aClassName
|
|
* The class of the object.
|
|
*/
|
|
VariablesView.isSortable = function(aClassName) {
|
|
return VariablesView.NON_SORTABLE_CLASSES.indexOf(aClassName) == -1;
|
|
};
|
|
|
|
/**
|
|
* Generates the string evaluated when performing simple value changes.
|
|
*
|
|
* @param Variable | Property aItem
|
|
* The current variable or property.
|
|
* @param string aCurrentString
|
|
* The trimmed user inputted string.
|
|
* @param string aPrefix [optional]
|
|
* Prefix for the symbolic name.
|
|
* @return string
|
|
* The string to be evaluated.
|
|
*/
|
|
VariablesView.simpleValueEvalMacro = function(aItem, aCurrentString, aPrefix = "") {
|
|
return aPrefix + aItem._symbolicName + "=" + aCurrentString;
|
|
};
|
|
|
|
/**
|
|
* Generates the string evaluated when overriding getters and setters with
|
|
* plain values.
|
|
*
|
|
* @param Property aItem
|
|
* The current getter or setter property.
|
|
* @param string aCurrentString
|
|
* The trimmed user inputted string.
|
|
* @param string aPrefix [optional]
|
|
* Prefix for the symbolic name.
|
|
* @return string
|
|
* The string to be evaluated.
|
|
*/
|
|
VariablesView.overrideValueEvalMacro = function(aItem, aCurrentString, aPrefix = "") {
|
|
let property = "\"" + aItem._nameString + "\"";
|
|
let parent = aPrefix + aItem.ownerView._symbolicName || "this";
|
|
|
|
return "Object.defineProperty(" + parent + "," + property + "," +
|
|
"{ value: " + aCurrentString +
|
|
", enumerable: " + parent + ".propertyIsEnumerable(" + property + ")" +
|
|
", configurable: true" +
|
|
", writable: true" +
|
|
"})";
|
|
};
|
|
|
|
/**
|
|
* Generates the string evaluated when performing getters and setters changes.
|
|
*
|
|
* @param Property aItem
|
|
* The current getter or setter property.
|
|
* @param string aCurrentString
|
|
* The trimmed user inputted string.
|
|
* @param string aPrefix [optional]
|
|
* Prefix for the symbolic name.
|
|
* @return string
|
|
* The string to be evaluated.
|
|
*/
|
|
VariablesView.getterOrSetterEvalMacro = function(aItem, aCurrentString, aPrefix = "") {
|
|
let type = aItem._nameString;
|
|
let propertyObject = aItem.ownerView;
|
|
let parentObject = propertyObject.ownerView;
|
|
let property = "\"" + propertyObject._nameString + "\"";
|
|
let parent = aPrefix + parentObject._symbolicName || "this";
|
|
|
|
switch (aCurrentString) {
|
|
case "":
|
|
case "null":
|
|
case "undefined":
|
|
let mirrorType = type == "get" ? "set" : "get";
|
|
let mirrorLookup = type == "get" ? "__lookupSetter__" : "__lookupGetter__";
|
|
|
|
// If the parent object will end up without any getter or setter,
|
|
// morph it into a plain value.
|
|
if ((type == "set" && propertyObject.getter.type == "undefined") ||
|
|
(type == "get" && propertyObject.setter.type == "undefined")) {
|
|
// Make sure the right getter/setter to value override macro is applied to the target object.
|
|
return propertyObject.evaluationMacro(propertyObject, "undefined", aPrefix);
|
|
}
|
|
|
|
// Construct and return the getter/setter removal evaluation string.
|
|
// e.g: Object.defineProperty(foo, "bar", {
|
|
// get: foo.__lookupGetter__("bar"),
|
|
// set: undefined,
|
|
// enumerable: true,
|
|
// configurable: true
|
|
// })
|
|
return "Object.defineProperty(" + parent + "," + property + "," +
|
|
"{" + mirrorType + ":" + parent + "." + mirrorLookup + "(" + property + ")" +
|
|
"," + type + ":" + undefined +
|
|
", enumerable: " + parent + ".propertyIsEnumerable(" + property + ")" +
|
|
", configurable: true" +
|
|
"})";
|
|
|
|
default:
|
|
// Wrap statements inside a function declaration if not already wrapped.
|
|
if (!aCurrentString.startsWith("function")) {
|
|
let header = "function(" + (type == "set" ? "value" : "") + ")";
|
|
let body = "";
|
|
// If there's a return statement explicitly written, always use the
|
|
// standard function definition syntax
|
|
if (aCurrentString.contains("return ")) {
|
|
body = "{" + aCurrentString + "}";
|
|
}
|
|
// If block syntax is used, use the whole string as the function body.
|
|
else if (aCurrentString.startsWith("{")) {
|
|
body = aCurrentString;
|
|
}
|
|
// Prefer an expression closure.
|
|
else {
|
|
body = "(" + aCurrentString + ")";
|
|
}
|
|
aCurrentString = header + body;
|
|
}
|
|
|
|
// Determine if a new getter or setter should be defined.
|
|
let defineType = type == "get" ? "__defineGetter__" : "__defineSetter__";
|
|
|
|
// Make sure all quotes are escaped in the expression's syntax,
|
|
let defineFunc = "eval(\"(" + aCurrentString.replace(/"/g, "\\$&") + ")\")";
|
|
|
|
// Construct and return the getter/setter evaluation string.
|
|
// e.g: foo.__defineGetter__("bar", eval("(function() { return 42; })"))
|
|
return parent + "." + defineType + "(" + property + "," + defineFunc + ")";
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Function invoked when a getter or setter is deleted.
|
|
*
|
|
* @param Property aItem
|
|
* The current getter or setter property.
|
|
*/
|
|
VariablesView.getterOrSetterDeleteCallback = function(aItem) {
|
|
aItem._disable();
|
|
|
|
// Make sure the right getter/setter to value override macro is applied
|
|
// to the target object.
|
|
aItem.ownerView.eval(aItem.evaluationMacro(aItem, ""));
|
|
|
|
return true; // Don't hide the element.
|
|
};
|
|
|
|
|
|
/**
|
|
* A Scope is an object holding Variable instances.
|
|
* Iterable via "for (let [name, variable] in instance) { }".
|
|
*
|
|
* @param VariablesView aView
|
|
* The view to contain this scope.
|
|
* @param string aName
|
|
* The scope's name.
|
|
* @param object aFlags [optional]
|
|
* Additional options or flags for this scope.
|
|
*/
|
|
function Scope(aView, aName, aFlags = {}) {
|
|
this.ownerView = aView;
|
|
|
|
this._onClick = this._onClick.bind(this);
|
|
this._openEnum = this._openEnum.bind(this);
|
|
this._openNonEnum = this._openNonEnum.bind(this);
|
|
this._batchAppend = this._batchAppend.bind(this);
|
|
|
|
// Inherit properties and flags from the parent view. You can override
|
|
// each of these directly onto any scope, variable or property instance.
|
|
this.eval = aView.eval;
|
|
this.switch = aView.switch;
|
|
this.delete = aView.delete;
|
|
this.editableValueTooltip = aView.editableValueTooltip;
|
|
this.editableNameTooltip = aView.editableNameTooltip;
|
|
this.editButtonTooltip = aView.editButtonTooltip;
|
|
this.deleteButtonTooltip = aView.deleteButtonTooltip;
|
|
this.preventDescriptorModifiers = aView.preventDescriptorModifiers;
|
|
this.contextMenuId = aView.contextMenuId;
|
|
this.separatorStr = aView.separatorStr;
|
|
|
|
// Creating maps and arrays thousands of times for variables or properties
|
|
// with a large number of children fills up a lot of memory. Make sure
|
|
// these are instantiated only if needed.
|
|
XPCOMUtils.defineLazyGetter(this, "_store", () => new Map());
|
|
XPCOMUtils.defineLazyGetter(this, "_enumItems", () => []);
|
|
XPCOMUtils.defineLazyGetter(this, "_nonEnumItems", () => []);
|
|
XPCOMUtils.defineLazyGetter(this, "_batchItems", () => []);
|
|
|
|
this._init(aName.trim(), aFlags);
|
|
}
|
|
|
|
Scope.prototype = {
|
|
/**
|
|
* Whether this Scope should be prefetched when it is remoted.
|
|
*/
|
|
shouldPrefetch: true,
|
|
|
|
/**
|
|
* Create a new Variable that is a child of this Scope.
|
|
*
|
|
* @param string aName
|
|
* The name of the new Property.
|
|
* @param object aDescriptor
|
|
* The variable's descriptor.
|
|
* @return Variable
|
|
* The newly created child Variable.
|
|
*/
|
|
_createChild: function(aName, aDescriptor) {
|
|
return new Variable(this, aName, aDescriptor);
|
|
},
|
|
|
|
/**
|
|
* Adds a child to contain any inspected properties.
|
|
*
|
|
* @param string aName
|
|
* The child's name.
|
|
* @param object aDescriptor
|
|
* Specifies the value and/or type & class of the child,
|
|
* or 'get' & 'set' accessor properties. If the type is implicit,
|
|
* it will be inferred from the value.
|
|
* e.g. - { value: 42 }
|
|
* - { value: true }
|
|
* - { value: "nasu" }
|
|
* - { value: { type: "undefined" } }
|
|
* - { value: { type: "null" } }
|
|
* - { value: { type: "object", class: "Object" } }
|
|
* - { get: { type: "object", class: "Function" },
|
|
* set: { type: "undefined" } }
|
|
* @param boolean aRelaxed
|
|
* True if name duplicates should be allowed.
|
|
* @return Variable
|
|
* The newly created Variable instance, null if it already exists.
|
|
*/
|
|
addItem: function(aName = "", aDescriptor = {}, aRelaxed = false) {
|
|
if (this._store.has(aName) && !aRelaxed) {
|
|
return null;
|
|
}
|
|
|
|
let child = this._createChild(aName, aDescriptor);
|
|
this._store.set(aName, child);
|
|
this._variablesView._itemsByElement.set(child._target, child);
|
|
this._variablesView._currHierarchy.set(child._absoluteName, child);
|
|
child.header = !!aName;
|
|
return child;
|
|
},
|
|
|
|
/**
|
|
* Adds items for this variable.
|
|
*
|
|
* @param object aItems
|
|
* An object containing some { name: descriptor } data properties,
|
|
* specifying the value and/or type & class of the variable,
|
|
* or 'get' & 'set' accessor properties. If the type is implicit,
|
|
* it will be inferred from the value.
|
|
* e.g. - { someProp0: { value: 42 },
|
|
* someProp1: { value: true },
|
|
* someProp2: { value: "nasu" },
|
|
* someProp3: { value: { type: "undefined" } },
|
|
* someProp4: { value: { type: "null" } },
|
|
* someProp5: { value: { type: "object", class: "Object" } },
|
|
* someProp6: { get: { type: "object", class: "Function" },
|
|
* set: { type: "undefined" } } }
|
|
* @param object aOptions [optional]
|
|
* Additional options for adding the properties. Supported options:
|
|
* - sorted: true to sort all the properties before adding them
|
|
* - callback: function invoked after each item is added
|
|
*/
|
|
addItems: function(aItems, aOptions = {}) {
|
|
let names = Object.keys(aItems);
|
|
|
|
// Sort all of the properties before adding them, if preferred.
|
|
if (aOptions.sorted) {
|
|
names.sort();
|
|
}
|
|
// Add the properties to the current scope.
|
|
for (let name of names) {
|
|
let descriptor = aItems[name];
|
|
let item = this.addItem(name, descriptor);
|
|
|
|
if (aOptions.callback) {
|
|
aOptions.callback(item, descriptor.value);
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Gets the variable in this container having the specified name.
|
|
*
|
|
* @param string aName
|
|
* The name of the variable to get.
|
|
* @return Variable
|
|
* The matched variable, or null if nothing is found.
|
|
*/
|
|
get: function(aName) {
|
|
return this._store.get(aName);
|
|
},
|
|
|
|
/**
|
|
* Recursively searches for the variable or property in this container
|
|
* displayed by the specified node.
|
|
*
|
|
* @param nsIDOMNode aNode
|
|
* The node to search for.
|
|
* @return Variable | Property
|
|
* The matched variable or property, or null if nothing is found.
|
|
*/
|
|
find: function(aNode) {
|
|
for (let [, variable] of this._store) {
|
|
let match;
|
|
if (variable._target == aNode) {
|
|
match = variable;
|
|
} else {
|
|
match = variable.find(aNode);
|
|
}
|
|
if (match) {
|
|
return match;
|
|
}
|
|
}
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Determines if this scope is a direct child of a parent variables view,
|
|
* scope, variable or property.
|
|
*
|
|
* @param VariablesView | Scope | Variable | Property
|
|
* The parent to check.
|
|
* @return boolean
|
|
* True if the specified item is a direct child, false otherwise.
|
|
*/
|
|
isChildOf: function(aParent) {
|
|
return this.ownerView == aParent;
|
|
},
|
|
|
|
/**
|
|
* Determines if this scope is a descendant of a parent variables view,
|
|
* scope, variable or property.
|
|
*
|
|
* @param VariablesView | Scope | Variable | Property
|
|
* The parent to check.
|
|
* @return boolean
|
|
* True if the specified item is a descendant, false otherwise.
|
|
*/
|
|
isDescendantOf: function(aParent) {
|
|
if (this.isChildOf(aParent)) {
|
|
return true;
|
|
}
|
|
|
|
// Recurse to parent if it is a Scope, Variable, or Property.
|
|
if (this.ownerView instanceof Scope) {
|
|
return this.ownerView.isDescendantOf(aParent);
|
|
}
|
|
|
|
return false;
|
|
},
|
|
|
|
/**
|
|
* Shows the scope.
|
|
*/
|
|
show: function() {
|
|
this._target.hidden = false;
|
|
this._isContentVisible = true;
|
|
|
|
if (this.onshow) {
|
|
this.onshow(this);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Hides the scope.
|
|
*/
|
|
hide: function() {
|
|
this._target.hidden = true;
|
|
this._isContentVisible = false;
|
|
|
|
if (this.onhide) {
|
|
this.onhide(this);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Expands the scope, showing all the added details.
|
|
*/
|
|
expand: function() {
|
|
if (this._isExpanded || this._locked) {
|
|
return;
|
|
}
|
|
// If there's a large number of enumerable or non-enumerable items
|
|
// contained in this scope, painting them may take several seconds,
|
|
// even if they were already displayed before. In this case, show a throbber
|
|
// to suggest that this scope is expanding.
|
|
if (!this._isExpanding &&
|
|
this._variablesView.lazyExpand &&
|
|
this._store.size > LAZY_APPEND_BATCH) {
|
|
this._isExpanding = true;
|
|
|
|
// Start spinning a throbber in this scope's title and allow a few
|
|
// milliseconds for it to be painted.
|
|
this._startThrobber();
|
|
this.window.setTimeout(this.expand.bind(this), LAZY_EXPAND_DELAY);
|
|
return;
|
|
}
|
|
|
|
if (this._variablesView._enumVisible) {
|
|
this._openEnum();
|
|
}
|
|
if (this._variablesView._nonEnumVisible) {
|
|
Services.tm.currentThread.dispatch({ run: this._openNonEnum }, 0);
|
|
}
|
|
this._isExpanding = false;
|
|
this._isExpanded = true;
|
|
|
|
if (this.onexpand) {
|
|
this.onexpand(this);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Collapses the scope, hiding all the added details.
|
|
*/
|
|
collapse: function() {
|
|
if (!this._isExpanded || this._locked) {
|
|
return;
|
|
}
|
|
this._arrow.removeAttribute("open");
|
|
this._enum.removeAttribute("open");
|
|
this._nonenum.removeAttribute("open");
|
|
this._isExpanded = false;
|
|
|
|
if (this.oncollapse) {
|
|
this.oncollapse(this);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Toggles between the scope's collapsed and expanded state.
|
|
*/
|
|
toggle: function(e) {
|
|
if (e && e.button != 0) {
|
|
// Only allow left-click to trigger this event.
|
|
return;
|
|
}
|
|
this._wasToggled = true;
|
|
this.expanded ^= 1;
|
|
|
|
// Make sure the scope and its contents are visibile.
|
|
for (let [, variable] of this._store) {
|
|
variable.header = true;
|
|
variable._matched = true;
|
|
}
|
|
if (this.ontoggle) {
|
|
this.ontoggle(this);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Shows the scope's title header.
|
|
*/
|
|
showHeader: function() {
|
|
if (this._isHeaderVisible || !this._nameString) {
|
|
return;
|
|
}
|
|
this._target.removeAttribute("non-header");
|
|
this._isHeaderVisible = true;
|
|
},
|
|
|
|
/**
|
|
* Hides the scope's title header.
|
|
* This action will automatically expand the scope.
|
|
*/
|
|
hideHeader: function() {
|
|
if (!this._isHeaderVisible) {
|
|
return;
|
|
}
|
|
this.expand();
|
|
this._target.setAttribute("non-header", "");
|
|
this._isHeaderVisible = false;
|
|
},
|
|
|
|
/**
|
|
* Shows the scope's expand/collapse arrow.
|
|
*/
|
|
showArrow: function() {
|
|
if (this._isArrowVisible) {
|
|
return;
|
|
}
|
|
this._arrow.removeAttribute("invisible");
|
|
this._isArrowVisible = true;
|
|
},
|
|
|
|
/**
|
|
* Hides the scope's expand/collapse arrow.
|
|
*/
|
|
hideArrow: function() {
|
|
if (!this._isArrowVisible) {
|
|
return;
|
|
}
|
|
this._arrow.setAttribute("invisible", "");
|
|
this._isArrowVisible = false;
|
|
},
|
|
|
|
/**
|
|
* Gets the visibility state.
|
|
* @return boolean
|
|
*/
|
|
get visible() this._isContentVisible,
|
|
|
|
/**
|
|
* Gets the expanded state.
|
|
* @return boolean
|
|
*/
|
|
get expanded() this._isExpanded,
|
|
|
|
/**
|
|
* Gets the header visibility state.
|
|
* @return boolean
|
|
*/
|
|
get header() this._isHeaderVisible,
|
|
|
|
/**
|
|
* Gets the twisty visibility state.
|
|
* @return boolean
|
|
*/
|
|
get twisty() this._isArrowVisible,
|
|
|
|
/**
|
|
* Gets the expand lock state.
|
|
* @return boolean
|
|
*/
|
|
get locked() this._locked,
|
|
|
|
/**
|
|
* Sets the visibility state.
|
|
* @param boolean aFlag
|
|
*/
|
|
set visible(aFlag) aFlag ? this.show() : this.hide(),
|
|
|
|
/**
|
|
* Sets the expanded state.
|
|
* @param boolean aFlag
|
|
*/
|
|
set expanded(aFlag) aFlag ? this.expand() : this.collapse(),
|
|
|
|
/**
|
|
* Sets the header visibility state.
|
|
* @param boolean aFlag
|
|
*/
|
|
set header(aFlag) aFlag ? this.showHeader() : this.hideHeader(),
|
|
|
|
/**
|
|
* Sets the twisty visibility state.
|
|
* @param boolean aFlag
|
|
*/
|
|
set twisty(aFlag) aFlag ? this.showArrow() : this.hideArrow(),
|
|
|
|
/**
|
|
* Sets the expand lock state.
|
|
* @param boolean aFlag
|
|
*/
|
|
set locked(aFlag) this._locked = aFlag,
|
|
|
|
/**
|
|
* Specifies if this target node may be focused.
|
|
* @return boolean
|
|
*/
|
|
get focusable() {
|
|
// Check if this target node is actually visibile.
|
|
if (!this._nameString ||
|
|
!this._isContentVisible ||
|
|
!this._isHeaderVisible ||
|
|
!this._isMatch) {
|
|
return false;
|
|
}
|
|
// Check if all parent objects are expanded.
|
|
let item = this;
|
|
|
|
// Recurse while parent is a Scope, Variable, or Property
|
|
while ((item = item.ownerView) && item instanceof Scope) {
|
|
if (!item._isExpanded) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
},
|
|
|
|
/**
|
|
* Focus this scope.
|
|
*/
|
|
focus: function() {
|
|
this._variablesView._focusItem(this);
|
|
},
|
|
|
|
/**
|
|
* Adds an event listener for a certain event on this scope's title.
|
|
* @param string aName
|
|
* @param function aCallback
|
|
* @param boolean aCapture
|
|
*/
|
|
addEventListener: function(aName, aCallback, aCapture) {
|
|
this._title.addEventListener(aName, aCallback, aCapture);
|
|
},
|
|
|
|
/**
|
|
* Removes an event listener for a certain event on this scope's title.
|
|
* @param string aName
|
|
* @param function aCallback
|
|
* @param boolean aCapture
|
|
*/
|
|
removeEventListener: function(aName, aCallback, aCapture) {
|
|
this._title.removeEventListener(aName, aCallback, aCapture);
|
|
},
|
|
|
|
/**
|
|
* Gets the id associated with this item.
|
|
* @return string
|
|
*/
|
|
get id() this._idString,
|
|
|
|
/**
|
|
* Gets the name associated with this item.
|
|
* @return string
|
|
*/
|
|
get name() this._nameString,
|
|
|
|
/**
|
|
* Gets the displayed value for this item.
|
|
* @return string
|
|
*/
|
|
get displayValue() this._valueString,
|
|
|
|
/**
|
|
* Gets the class names used for the displayed value.
|
|
* @return string
|
|
*/
|
|
get displayValueClassName() this._valueClassName,
|
|
|
|
/**
|
|
* Gets the element associated with this item.
|
|
* @return nsIDOMNode
|
|
*/
|
|
get target() this._target,
|
|
|
|
/**
|
|
* Initializes this scope's id, view and binds event listeners.
|
|
*
|
|
* @param string aName
|
|
* The scope's name.
|
|
* @param object aFlags [optional]
|
|
* Additional options or flags for this scope.
|
|
*/
|
|
_init: function(aName, aFlags) {
|
|
this._idString = generateId(this._nameString = aName);
|
|
this._displayScope(aName, "variables-view-scope", "devtools-toolbar");
|
|
this._addEventListeners();
|
|
this.parentNode.appendChild(this._target);
|
|
},
|
|
|
|
/**
|
|
* Creates the necessary nodes for this scope.
|
|
*
|
|
* @param string aName
|
|
* The scope's name.
|
|
* @param string aClassName
|
|
* A custom class name for this scope.
|
|
* @param string aTitleClassName [optional]
|
|
* A custom class name for this scope's title.
|
|
*/
|
|
_displayScope: function(aName, aClassName, aTitleClassName) {
|
|
let document = this.document;
|
|
|
|
let element = this._target = document.createElement("vbox");
|
|
element.id = this._idString;
|
|
element.className = aClassName;
|
|
|
|
let arrow = this._arrow = document.createElement("hbox");
|
|
arrow.className = "arrow";
|
|
|
|
let name = this._name = document.createElement("label");
|
|
name.className = "plain name";
|
|
name.setAttribute("value", aName);
|
|
|
|
let title = this._title = document.createElement("hbox");
|
|
title.className = "title " + (aTitleClassName || "");
|
|
title.setAttribute("align", "center");
|
|
|
|
let enumerable = this._enum = document.createElement("vbox");
|
|
let nonenum = this._nonenum = document.createElement("vbox");
|
|
enumerable.className = "variables-view-element-details enum";
|
|
nonenum.className = "variables-view-element-details nonenum";
|
|
|
|
title.appendChild(arrow);
|
|
title.appendChild(name);
|
|
|
|
element.appendChild(title);
|
|
element.appendChild(enumerable);
|
|
element.appendChild(nonenum);
|
|
},
|
|
|
|
/**
|
|
* Adds the necessary event listeners for this scope.
|
|
*/
|
|
_addEventListeners: function() {
|
|
this._title.addEventListener("mousedown", this._onClick, false);
|
|
},
|
|
|
|
/**
|
|
* The click listener for this scope's title.
|
|
*/
|
|
_onClick: function(e) {
|
|
if (e.target == this._inputNode ||
|
|
e.target == this._editNode ||
|
|
e.target == this._deleteNode) {
|
|
return;
|
|
}
|
|
this.toggle();
|
|
this.focus();
|
|
},
|
|
|
|
/**
|
|
* Lazily appends a node to this scope's enumerable or non-enumerable
|
|
* container. Once a certain number of nodes have been batched, they
|
|
* will be appended.
|
|
*
|
|
* @param boolean aImmediateFlag
|
|
* Set to false if append calls should be dispatched synchronously
|
|
* on the current thread, to allow for a paint flush.
|
|
* @param boolean aEnumerableFlag
|
|
* Specifies if the node to append is enumerable or non-enumerable.
|
|
* @param nsIDOMNode aChild
|
|
* The child node to append.
|
|
*/
|
|
_lazyAppend: function(aImmediateFlag, aEnumerableFlag, aChild) {
|
|
// Append immediately, don't stage items and don't allow for a paint flush.
|
|
if (aImmediateFlag || !this._variablesView.lazyAppend) {
|
|
if (aEnumerableFlag) {
|
|
this._enum.appendChild(aChild);
|
|
} else {
|
|
this._nonenum.appendChild(aChild);
|
|
}
|
|
return;
|
|
}
|
|
|
|
let window = this.window;
|
|
let batchItems = this._batchItems;
|
|
|
|
window.clearTimeout(this._batchTimeout);
|
|
batchItems.push({ enumerableFlag: aEnumerableFlag, child: aChild });
|
|
|
|
// If a certain number of nodes have been batched, append all the
|
|
// staged items now.
|
|
if (batchItems.length > LAZY_APPEND_BATCH) {
|
|
// Allow for a paint flush.
|
|
Services.tm.currentThread.dispatch({ run: this._batchAppend }, 1);
|
|
return;
|
|
}
|
|
// Postpone appending the staged items for later, to allow batching
|
|
// more nodes.
|
|
this._batchTimeout = window.setTimeout(this._batchAppend, LAZY_APPEND_DELAY);
|
|
},
|
|
|
|
/**
|
|
* Appends all the batched nodes to this scope's enumerable and non-enumerable
|
|
* containers.
|
|
*/
|
|
_batchAppend: function() {
|
|
let document = this.document;
|
|
let batchItems = this._batchItems;
|
|
|
|
// Create two document fragments, one for enumerable nodes, and one
|
|
// for non-enumerable nodes.
|
|
let frags = [document.createDocumentFragment(), document.createDocumentFragment()];
|
|
|
|
for (let item of batchItems) {
|
|
frags[~~item.enumerableFlag].appendChild(item.child);
|
|
}
|
|
batchItems.length = 0;
|
|
this._enum.appendChild(frags[1]);
|
|
this._nonenum.appendChild(frags[0]);
|
|
},
|
|
|
|
/**
|
|
* Starts spinning a throbber in this scope's title.
|
|
*/
|
|
_startThrobber: function() {
|
|
if (this._throbber) {
|
|
this._throbber.hidden = false;
|
|
return;
|
|
}
|
|
let throbber = this._throbber = this.document.createElement("hbox");
|
|
throbber.className = "variables-view-throbber";
|
|
this._title.appendChild(throbber);
|
|
},
|
|
|
|
/**
|
|
* Stops spinning the throbber in this scope's title.
|
|
*/
|
|
_stopThrobber: function() {
|
|
if (!this._throbber) {
|
|
return;
|
|
}
|
|
this._throbber.hidden = true;
|
|
},
|
|
|
|
/**
|
|
* Opens the enumerable items container.
|
|
*/
|
|
_openEnum: function() {
|
|
this._arrow.setAttribute("open", "");
|
|
this._enum.setAttribute("open", "");
|
|
this._stopThrobber();
|
|
},
|
|
|
|
/**
|
|
* Opens the non-enumerable items container.
|
|
*/
|
|
_openNonEnum: function() {
|
|
this._nonenum.setAttribute("open", "");
|
|
this._stopThrobber();
|
|
},
|
|
|
|
/**
|
|
* Specifies if enumerable properties and variables should be displayed.
|
|
* @param boolean aFlag
|
|
*/
|
|
set _enumVisible(aFlag) {
|
|
for (let [, variable] of this._store) {
|
|
variable._enumVisible = aFlag;
|
|
|
|
if (!this._isExpanded) {
|
|
continue;
|
|
}
|
|
if (aFlag) {
|
|
this._enum.setAttribute("open", "");
|
|
} else {
|
|
this._enum.removeAttribute("open");
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Specifies if non-enumerable properties and variables should be displayed.
|
|
* @param boolean aFlag
|
|
*/
|
|
set _nonEnumVisible(aFlag) {
|
|
for (let [, variable] of this._store) {
|
|
variable._nonEnumVisible = aFlag;
|
|
|
|
if (!this._isExpanded) {
|
|
continue;
|
|
}
|
|
if (aFlag) {
|
|
this._nonenum.setAttribute("open", "");
|
|
} else {
|
|
this._nonenum.removeAttribute("open");
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Performs a case insensitive search for variables or properties matching
|
|
* the query, and hides non-matched items.
|
|
*
|
|
* @param string aLowerCaseQuery
|
|
* The lowercased name of the variable or property to search for.
|
|
*/
|
|
_performSearch: function(aLowerCaseQuery) {
|
|
for (let [, variable] of this._store) {
|
|
let currentObject = variable;
|
|
let lowerCaseName = variable._nameString.toLowerCase();
|
|
let lowerCaseValue = variable._valueString.toLowerCase();
|
|
|
|
// Non-matched variables or properties require a corresponding attribute.
|
|
if (!lowerCaseName.contains(aLowerCaseQuery) &&
|
|
!lowerCaseValue.contains(aLowerCaseQuery)) {
|
|
variable._matched = false;
|
|
}
|
|
// Variable or property is matched.
|
|
else {
|
|
variable._matched = true;
|
|
|
|
// If the variable was ever expanded, there's a possibility it may
|
|
// contain some matched properties, so make sure they're visible
|
|
// ("expand downwards").
|
|
|
|
if (variable._wasToggled && aLowerCaseQuery) {
|
|
variable.expand();
|
|
}
|
|
if (variable._isExpanded && !aLowerCaseQuery) {
|
|
variable._wasToggled = true;
|
|
}
|
|
|
|
// If the variable is contained in another Scope, Variable, or Property,
|
|
// the parent may not be a match, thus hidden. It should be visible
|
|
// ("expand upwards").
|
|
while ((variable = variable.ownerView) && /* Parent object exists. */
|
|
variable instanceof Scope) {
|
|
|
|
// Show and expand the parent, as it is certainly accessible.
|
|
variable._matched = true;
|
|
aLowerCaseQuery && variable.expand();
|
|
}
|
|
}
|
|
|
|
// Proceed with the search recursively inside this variable or property.
|
|
if (currentObject._wasToggled ||
|
|
currentObject.getter ||
|
|
currentObject.setter) {
|
|
currentObject._performSearch(aLowerCaseQuery);
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Sets if this object instance is a matched or non-matched item.
|
|
* @param boolean aStatus
|
|
*/
|
|
set _matched(aStatus) {
|
|
if (this._isMatch == aStatus) {
|
|
return;
|
|
}
|
|
if (aStatus) {
|
|
this._isMatch = true;
|
|
this.target.removeAttribute("non-match");
|
|
} else {
|
|
this._isMatch = false;
|
|
this.target.setAttribute("non-match", "");
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Gets the first search results match in this scope.
|
|
* @return Variable | Property
|
|
*/
|
|
get _firstMatch() {
|
|
for (let [, variable] of this._store) {
|
|
let match;
|
|
if (variable._isMatch) {
|
|
match = variable;
|
|
} else {
|
|
match = variable._firstMatch;
|
|
}
|
|
if (match) {
|
|
return match;
|
|
}
|
|
}
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Find the first item in the tree of visible items in this item that matches
|
|
* the predicate. Searches in visual order (the order seen by the user).
|
|
* Tests itself, then descends into first the enumerable children and then
|
|
* the non-enumerable children (since they are presented in separate groups).
|
|
*
|
|
* @param function aPredicate
|
|
* A function that returns true when a match is found.
|
|
* @return Scope | Variable | Property
|
|
* The first visible scope, variable or property, or null if nothing
|
|
* is found.
|
|
*/
|
|
_findInVisibleItems: function(aPredicate) {
|
|
if (aPredicate(this)) {
|
|
return this;
|
|
}
|
|
|
|
if (this._isExpanded) {
|
|
if (this._variablesView._enumVisible) {
|
|
for (let item of this._enumItems) {
|
|
let result = item._findInVisibleItems(aPredicate);
|
|
if (result) {
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (this._variablesView._nonEnumVisible) {
|
|
for (let item of this._nonEnumItems) {
|
|
let result = item._findInVisibleItems(aPredicate);
|
|
if (result) {
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Find the last item in the tree of visible items in this item that matches
|
|
* the predicate. Searches in reverse visual order (opposite of the order
|
|
* seen by the user). Descends into first the non-enumerable children, then
|
|
* the enumerable children (since they are presented in separate groups), and
|
|
* finally tests itself.
|
|
*
|
|
* @param function aPredicate
|
|
* A function that returns true when a match is found.
|
|
* @return Scope | Variable | Property
|
|
* The last visible scope, variable or property, or null if nothing
|
|
* is found.
|
|
*/
|
|
_findInVisibleItemsReverse: function(aPredicate) {
|
|
if (this._isExpanded) {
|
|
if (this._variablesView._nonEnumVisible) {
|
|
for (let i = this._nonEnumItems.length - 1; i >= 0; i--) {
|
|
let item = this._nonEnumItems[i];
|
|
let result = item._findInVisibleItemsReverse(aPredicate);
|
|
if (result) {
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (this._variablesView._enumVisible) {
|
|
for (let i = this._enumItems.length - 1; i >= 0; i--) {
|
|
let item = this._enumItems[i];
|
|
let result = item._findInVisibleItemsReverse(aPredicate);
|
|
if (result) {
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (aPredicate(this)) {
|
|
return this;
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Gets top level variables view instance.
|
|
* @return VariablesView
|
|
*/
|
|
get _variablesView() this._topView || (this._topView = (function(self) {
|
|
let parentView = self.ownerView;
|
|
let topView;
|
|
|
|
while (topView = parentView.ownerView) {
|
|
parentView = topView;
|
|
}
|
|
return parentView;
|
|
})(this)),
|
|
|
|
/**
|
|
* Gets the parent node holding this scope.
|
|
* @return nsIDOMNode
|
|
*/
|
|
get parentNode() this.ownerView._list,
|
|
|
|
/**
|
|
* Gets the owner document holding this scope.
|
|
* @return nsIHTMLDocument
|
|
*/
|
|
get document() this._document || (this._document = this.ownerView.document),
|
|
|
|
/**
|
|
* Gets the default window holding this scope.
|
|
* @return nsIDOMWindow
|
|
*/
|
|
get window() this._window || (this._window = this.ownerView.window),
|
|
|
|
_topView: null,
|
|
_document: null,
|
|
_window: null,
|
|
|
|
ownerView: null,
|
|
eval: null,
|
|
switch: null,
|
|
delete: null,
|
|
editableValueTooltip: "",
|
|
editableNameTooltip: "",
|
|
editButtonTooltip: "",
|
|
deleteButtonTooltip: "",
|
|
preventDescriptorModifiers: false,
|
|
contextMenuId: "",
|
|
separatorStr: "",
|
|
|
|
_store: null,
|
|
_enumItems: null,
|
|
_nonEnumItems: null,
|
|
_fetched: false,
|
|
_retrieved: false,
|
|
_committed: false,
|
|
_batchItems: null,
|
|
_batchTimeout: null,
|
|
_locked: false,
|
|
_isExpanding: false,
|
|
_isExpanded: false,
|
|
_wasToggled: false,
|
|
_isContentVisible: true,
|
|
_isHeaderVisible: true,
|
|
_isArrowVisible: true,
|
|
_isMatch: true,
|
|
_idString: "",
|
|
_nameString: "",
|
|
_target: null,
|
|
_arrow: null,
|
|
_name: null,
|
|
_title: null,
|
|
_enum: null,
|
|
_nonenum: null,
|
|
_throbber: null
|
|
};
|
|
|
|
/**
|
|
* A Variable is a Scope holding Property instances.
|
|
* Iterable via "for (let [name, property] in instance) { }".
|
|
*
|
|
* @param Scope aScope
|
|
* The scope to contain this variable.
|
|
* @param string aName
|
|
* The variable's name.
|
|
* @param object aDescriptor
|
|
* The variable's descriptor.
|
|
*/
|
|
function Variable(aScope, aName, aDescriptor) {
|
|
this._setTooltips = this._setTooltips.bind(this);
|
|
this._activateNameInput = this._activateNameInput.bind(this);
|
|
this._activateValueInput = this._activateValueInput.bind(this);
|
|
|
|
// Treat safe getter descriptors as descriptors with a value.
|
|
if ("getterValue" in aDescriptor) {
|
|
aDescriptor.value = aDescriptor.getterValue;
|
|
delete aDescriptor.get;
|
|
delete aDescriptor.set;
|
|
}
|
|
|
|
Scope.call(this, aScope, aName, this._initialDescriptor = aDescriptor);
|
|
this.setGrip(aDescriptor.value);
|
|
this._symbolicName = aName;
|
|
this._absoluteName = aScope.name + "[\"" + aName + "\"]";
|
|
}
|
|
|
|
Variable.prototype = Heritage.extend(Scope.prototype, {
|
|
/**
|
|
* Whether this Scope should be prefetched when it is remoted.
|
|
*/
|
|
get shouldPrefetch(){
|
|
return this.name == "window" || this.name == "this";
|
|
},
|
|
|
|
/**
|
|
* Create a new Property that is a child of Variable.
|
|
*
|
|
* @param string aName
|
|
* The name of the new Property.
|
|
* @param object aDescriptor
|
|
* The property's descriptor.
|
|
* @return Property
|
|
* The newly created child Property.
|
|
*/
|
|
_createChild: function(aName, aDescriptor) {
|
|
return new Property(this, aName, aDescriptor);
|
|
},
|
|
|
|
/**
|
|
* Populates this variable to contain all the properties of an object.
|
|
*
|
|
* @param object aObject
|
|
* The raw object you want to display.
|
|
* @param object aOptions [optional]
|
|
* Additional options for adding the properties. Supported options:
|
|
* - sorted: true to sort all the properties before adding them
|
|
* - expanded: true to expand all the properties after adding them
|
|
*/
|
|
populate: function(aObject, aOptions = {}) {
|
|
// Retrieve the properties only once.
|
|
if (this._fetched) {
|
|
return;
|
|
}
|
|
this._fetched = true;
|
|
|
|
let propertyNames = Object.getOwnPropertyNames(aObject);
|
|
let prototype = Object.getPrototypeOf(aObject);
|
|
|
|
// Sort all of the properties before adding them, if preferred.
|
|
if (aOptions.sorted) {
|
|
propertyNames.sort();
|
|
}
|
|
// Add all the variable properties.
|
|
for (let name of propertyNames) {
|
|
let descriptor = Object.getOwnPropertyDescriptor(aObject, name);
|
|
if (descriptor.get || descriptor.set) {
|
|
let prop = this._addRawNonValueProperty(name, descriptor);
|
|
if (aOptions.expanded) {
|
|
prop.expanded = true;
|
|
}
|
|
} else {
|
|
let prop = this._addRawValueProperty(name, descriptor, aObject[name]);
|
|
if (aOptions.expanded) {
|
|
prop.expanded = true;
|
|
}
|
|
}
|
|
}
|
|
// Add the variable's __proto__.
|
|
if (prototype) {
|
|
this._addRawValueProperty("__proto__", {}, prototype);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Populates a specific variable or property instance to contain all the
|
|
* properties of an object
|
|
*
|
|
* @param Variable | Property aVar
|
|
* The target variable to populate.
|
|
* @param object aObject [optional]
|
|
* The raw object you want to display. If unspecified, the object is
|
|
* assumed to be defined in a _sourceValue property on the target.
|
|
*/
|
|
_populateTarget: function(aVar, aObject = aVar._sourceValue) {
|
|
aVar.populate(aObject);
|
|
},
|
|
|
|
/**
|
|
* Adds a property for this variable based on a raw value descriptor.
|
|
*
|
|
* @param string aName
|
|
* The property's name.
|
|
* @param object aDescriptor
|
|
* Specifies the exact property descriptor as returned by a call to
|
|
* Object.getOwnPropertyDescriptor.
|
|
* @param object aValue
|
|
* The raw property value you want to display.
|
|
* @return Property
|
|
* The newly added property instance.
|
|
*/
|
|
_addRawValueProperty: function(aName, aDescriptor, aValue) {
|
|
let descriptor = Object.create(aDescriptor);
|
|
descriptor.value = VariablesView.getGrip(aValue);
|
|
|
|
let propertyItem = this.addItem(aName, descriptor);
|
|
propertyItem._sourceValue = aValue;
|
|
|
|
// Add an 'onexpand' callback for the property, lazily handling
|
|
// the addition of new child properties.
|
|
if (!VariablesView.isPrimitive(descriptor)) {
|
|
propertyItem.onexpand = this._populateTarget;
|
|
}
|
|
return propertyItem;
|
|
},
|
|
|
|
/**
|
|
* Adds a property for this variable based on a getter/setter descriptor.
|
|
*
|
|
* @param string aName
|
|
* The property's name.
|
|
* @param object aDescriptor
|
|
* Specifies the exact property descriptor as returned by a call to
|
|
* Object.getOwnPropertyDescriptor.
|
|
* @return Property
|
|
* The newly added property instance.
|
|
*/
|
|
_addRawNonValueProperty: function(aName, aDescriptor) {
|
|
let descriptor = Object.create(aDescriptor);
|
|
descriptor.get = VariablesView.getGrip(aDescriptor.get);
|
|
descriptor.set = VariablesView.getGrip(aDescriptor.set);
|
|
|
|
return this.addItem(aName, descriptor);
|
|
},
|
|
|
|
/**
|
|
* Gets this variable's path to the topmost scope.
|
|
* For example, a symbolic name may look like "arguments['0']['foo']['bar']".
|
|
* @return string
|
|
*/
|
|
get symbolicName() this._symbolicName,
|
|
|
|
/**
|
|
* Returns this variable's value from the descriptor if available.
|
|
* @return any
|
|
*/
|
|
get value() this._initialDescriptor.value,
|
|
|
|
/**
|
|
* Returns this variable's getter from the descriptor if available.
|
|
* @return object
|
|
*/
|
|
get getter() this._initialDescriptor.get,
|
|
|
|
/**
|
|
* Returns this variable's getter from the descriptor if available.
|
|
* @return object
|
|
*/
|
|
get setter() this._initialDescriptor.set,
|
|
|
|
/**
|
|
* Sets the specific grip for this variable (applies the text content and
|
|
* class name to the value label).
|
|
*
|
|
* The grip should contain the value or the type & class, as defined in the
|
|
* remote debugger protocol. For convenience, undefined and null are
|
|
* both considered types.
|
|
*
|
|
* @param any aGrip
|
|
* Specifies the value and/or type & class of the variable.
|
|
* e.g. - 42
|
|
* - true
|
|
* - "nasu"
|
|
* - { type: "undefined" }
|
|
* - { type: "null" }
|
|
* - { type: "object", class: "Object" }
|
|
*/
|
|
setGrip: function(aGrip) {
|
|
// Don't allow displaying grip information if there's no name available.
|
|
if (!this._nameString || aGrip === undefined || aGrip === null) {
|
|
return;
|
|
}
|
|
// Getters and setters should display grip information in sub-properties.
|
|
if (!this._isUndefined && (this.getter || this.setter)) {
|
|
this._valueLabel.setAttribute("value", "");
|
|
return;
|
|
}
|
|
|
|
// Make sure the value is escaped unicode if it's a string.
|
|
if (typeof aGrip == "string") {
|
|
aGrip = NetworkHelper.convertToUnicode(unescape(aGrip));
|
|
}
|
|
|
|
let prevGrip = this._valueGrip;
|
|
if (prevGrip) {
|
|
this._valueLabel.classList.remove(VariablesView.getClass(prevGrip));
|
|
}
|
|
this._valueGrip = aGrip;
|
|
this._valueString = VariablesView.getString(aGrip, true);
|
|
this._valueClassName = VariablesView.getClass(aGrip);
|
|
|
|
this._valueLabel.classList.add(this._valueClassName);
|
|
this._valueLabel.setAttribute("value", this._valueString);
|
|
},
|
|
|
|
/**
|
|
* Initializes this variable's id, view and binds event listeners.
|
|
*
|
|
* @param string aName
|
|
* The variable's name.
|
|
* @param object aDescriptor
|
|
* The variable's descriptor.
|
|
*/
|
|
_init: function(aName, aDescriptor) {
|
|
this._idString = generateId(this._nameString = aName);
|
|
this._displayScope(aName, "variables-view-variable variable-or-property");
|
|
|
|
// Don't allow displaying variable information there's no name available.
|
|
if (this._nameString) {
|
|
this._displayVariable();
|
|
this._customizeVariable();
|
|
this._prepareTooltips();
|
|
this._setAttributes();
|
|
this._addEventListeners();
|
|
}
|
|
|
|
this._onInit(this.ownerView._store.size < LAZY_APPEND_BATCH);
|
|
},
|
|
|
|
/**
|
|
* Called when this variable has finished initializing, and is ready to
|
|
* be attached to the owner view.
|
|
*
|
|
* @param boolean aImmediateFlag
|
|
* @see Scope.prototype._lazyAppend
|
|
*/
|
|
_onInit: function(aImmediateFlag) {
|
|
if (this._initialDescriptor.enumerable ||
|
|
this._nameString == "this" ||
|
|
this._nameString == "<return>" ||
|
|
this._nameString == "<exception>") {
|
|
this.ownerView._lazyAppend(aImmediateFlag, true, this._target);
|
|
this.ownerView._enumItems.push(this);
|
|
} else {
|
|
this.ownerView._lazyAppend(aImmediateFlag, false, this._target);
|
|
this.ownerView._nonEnumItems.push(this);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Creates the necessary nodes for this variable.
|
|
*/
|
|
_displayVariable: function() {
|
|
let document = this.document;
|
|
let descriptor = this._initialDescriptor;
|
|
|
|
let separatorLabel = this._separatorLabel = document.createElement("label");
|
|
separatorLabel.className = "plain separator";
|
|
separatorLabel.setAttribute("value", this.ownerView.separatorStr);
|
|
|
|
let valueLabel = this._valueLabel = document.createElement("label");
|
|
valueLabel.className = "plain value";
|
|
valueLabel.setAttribute("crop", "center");
|
|
valueLabel.setAttribute('flex', "1");
|
|
|
|
this._title.appendChild(separatorLabel);
|
|
this._title.appendChild(valueLabel);
|
|
|
|
let isPrimitive = this._isPrimitive = VariablesView.isPrimitive(descriptor);
|
|
let isUndefined = this._isUndefined = VariablesView.isUndefined(descriptor);
|
|
|
|
if (isPrimitive || isUndefined) {
|
|
this.hideArrow();
|
|
}
|
|
if (!isUndefined && (descriptor.get || descriptor.set)) {
|
|
separatorLabel.hidden = true;
|
|
valueLabel.hidden = true;
|
|
|
|
// Changing getter/setter names is never allowed.
|
|
this.switch = null;
|
|
|
|
// Getter/setter properties require special handling when it comes to
|
|
// evaluation and deletion.
|
|
if (this.ownerView.eval) {
|
|
this.delete = VariablesView.getterOrSetterDeleteCallback;
|
|
this.evaluationMacro = VariablesView.overrideValueEvalMacro;
|
|
}
|
|
// Deleting getters and setters individually is not allowed if no
|
|
// evaluation method is provided.
|
|
else {
|
|
this.delete = null;
|
|
this.evaluationMacro = null;
|
|
}
|
|
|
|
let getter = this.addItem("get", { value: descriptor.get });
|
|
let setter = this.addItem("set", { value: descriptor.set });
|
|
getter.evaluationMacro = VariablesView.getterOrSetterEvalMacro;
|
|
setter.evaluationMacro = VariablesView.getterOrSetterEvalMacro;
|
|
|
|
getter.hideArrow();
|
|
setter.hideArrow();
|
|
this.expand();
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Adds specific nodes for this variable based on custom flags.
|
|
*/
|
|
_customizeVariable: function() {
|
|
let ownerView = this.ownerView;
|
|
let descriptor = this._initialDescriptor;
|
|
|
|
if (ownerView.eval) {
|
|
if (!this._isUndefined && (this.getter || this.setter)) {
|
|
let editNode = this._editNode = this.document.createElement("toolbarbutton");
|
|
editNode.className = "plain variables-view-edit";
|
|
editNode.addEventListener("mousedown", this._onEdit.bind(this), false);
|
|
this._title.appendChild(editNode);
|
|
}
|
|
}
|
|
if (ownerView.delete) {
|
|
if (!this._isUndefined || !(ownerView.getter && ownerView.setter)) {
|
|
let deleteNode = this._deleteNode = this.document.createElement("toolbarbutton");
|
|
deleteNode.className = "plain variables-view-delete";
|
|
deleteNode.setAttribute("ordinal", 2);
|
|
deleteNode.addEventListener("click", this._onDelete.bind(this), false);
|
|
this._title.appendChild(deleteNode);
|
|
}
|
|
}
|
|
if (ownerView.contextMenuId) {
|
|
this._title.setAttribute("context", ownerView.contextMenuId);
|
|
}
|
|
|
|
if (ownerView.preventDescriptorModifiers) {
|
|
return;
|
|
}
|
|
|
|
if (!descriptor.writable && !ownerView.getter && !ownerView.setter) {
|
|
let nonWritableIcon = this.document.createElement("hbox");
|
|
nonWritableIcon.className = "variable-or-property-non-writable-icon";
|
|
this._title.appendChild(nonWritableIcon);
|
|
}
|
|
if (descriptor.value && typeof descriptor.value == "object") {
|
|
if (descriptor.value.frozen) {
|
|
let frozenLabel = this.document.createElement("label");
|
|
frozenLabel.className = "plain variable-or-property-frozen-label";
|
|
frozenLabel.setAttribute("value", "F");
|
|
this._title.appendChild(frozenLabel);
|
|
}
|
|
if (descriptor.value.sealed) {
|
|
let sealedLabel = this.document.createElement("label");
|
|
sealedLabel.className = "plain variable-or-property-sealed-label";
|
|
sealedLabel.setAttribute("value", "S");
|
|
this._title.appendChild(sealedLabel);
|
|
}
|
|
if (!descriptor.value.extensible) {
|
|
let nonExtensibleLabel = this.document.createElement("label");
|
|
nonExtensibleLabel.className = "plain variable-or-property-non-extensible-label";
|
|
nonExtensibleLabel.setAttribute("value", "N");
|
|
this._title.appendChild(nonExtensibleLabel);
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Prepares all tooltips for this variable.
|
|
*/
|
|
_prepareTooltips: function() {
|
|
this._target.addEventListener("mouseover", this._setTooltips, false);
|
|
},
|
|
|
|
/**
|
|
* Sets all tooltips for this variable.
|
|
*/
|
|
_setTooltips: function() {
|
|
this._target.removeEventListener("mouseover", this._setTooltips, false);
|
|
|
|
let ownerView = this.ownerView;
|
|
if (ownerView.preventDescriptorModifiers) {
|
|
return;
|
|
}
|
|
|
|
let tooltip = this.document.createElement("tooltip");
|
|
tooltip.id = "tooltip-" + this._idString;
|
|
tooltip.setAttribute("orient", "horizontal");
|
|
|
|
let labels = [
|
|
"configurable", "enumerable", "writable",
|
|
"frozen", "sealed", "extensible", "WebIDL"];
|
|
|
|
for (let label of labels) {
|
|
let labelElement = this.document.createElement("label");
|
|
labelElement.setAttribute("value", label);
|
|
tooltip.appendChild(labelElement);
|
|
}
|
|
|
|
this._target.appendChild(tooltip);
|
|
this._target.setAttribute("tooltip", tooltip.id);
|
|
|
|
if (this._editNode && ownerView.eval) {
|
|
this._editNode.setAttribute("tooltiptext", ownerView.editButtonTooltip);
|
|
}
|
|
if (this._valueLabel && ownerView.eval) {
|
|
this._valueLabel.setAttribute("tooltiptext", ownerView.editableValueTooltip);
|
|
}
|
|
if (this._name && ownerView.switch) {
|
|
this._name.setAttribute("tooltiptext", ownerView.editableNameTooltip);
|
|
}
|
|
if (this._deleteNode && ownerView.delete) {
|
|
this._deleteNode.setAttribute("tooltiptext", ownerView.deleteButtonTooltip);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Sets a variable's configurable, enumerable and writable attributes,
|
|
* and specifies if it's a 'this', '<exception>' or '__proto__' reference.
|
|
*/
|
|
_setAttributes: function() {
|
|
let ownerView = this.ownerView;
|
|
if (ownerView.preventDescriptorModifiers) {
|
|
return;
|
|
}
|
|
|
|
let descriptor = this._initialDescriptor;
|
|
let target = this._target;
|
|
let name = this._nameString;
|
|
|
|
if (ownerView.eval) {
|
|
target.setAttribute("editable", "");
|
|
}
|
|
|
|
if (!descriptor.configurable) {
|
|
target.setAttribute("non-configurable", "");
|
|
}
|
|
if (!descriptor.enumerable) {
|
|
target.setAttribute("non-enumerable", "");
|
|
}
|
|
if (!descriptor.writable && !ownerView.getter && !ownerView.setter) {
|
|
target.setAttribute("non-writable", "");
|
|
}
|
|
|
|
if (descriptor.value && typeof descriptor.value == "object") {
|
|
if (descriptor.value.frozen) {
|
|
target.setAttribute("frozen", "");
|
|
}
|
|
if (descriptor.value.sealed) {
|
|
target.setAttribute("sealed", "");
|
|
}
|
|
if (!descriptor.value.extensible) {
|
|
target.setAttribute("non-extensible", "");
|
|
}
|
|
}
|
|
|
|
if (descriptor && "getterValue" in descriptor) {
|
|
target.setAttribute("safe-getter", "");
|
|
}
|
|
if (name == "this") {
|
|
target.setAttribute("self", "");
|
|
}
|
|
|
|
else if (name == "<exception>") {
|
|
target.setAttribute("exception", "");
|
|
}
|
|
else if (name == "<return>") {
|
|
target.setAttribute("return", "");
|
|
}
|
|
else if (name == "__proto__") {
|
|
target.setAttribute("proto", "");
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Adds the necessary event listeners for this variable.
|
|
*/
|
|
_addEventListeners: function() {
|
|
this._name.addEventListener("dblclick", this._activateNameInput, false);
|
|
this._valueLabel.addEventListener("mousedown", this._activateValueInput, false);
|
|
this._title.addEventListener("mousedown", this._onClick, false);
|
|
},
|
|
|
|
/**
|
|
* Creates a textbox node in place of a label.
|
|
*
|
|
* @param nsIDOMNode aLabel
|
|
* The label to be replaced with a textbox.
|
|
* @param string aClassName
|
|
* The class to be applied to the textbox.
|
|
* @param object aCallbacks
|
|
* An object containing the onKeypress and onBlur callbacks.
|
|
*/
|
|
_activateInput: function(aLabel, aClassName, aCallbacks) {
|
|
let initialString = aLabel.getAttribute("value");
|
|
|
|
// Create a texbox input element which will be shown in the current
|
|
// element's specified label location.
|
|
let input = this.document.createElement("textbox");
|
|
input.className = "plain " + aClassName;
|
|
input.setAttribute("value", initialString);
|
|
input.setAttribute("flex", "1");
|
|
|
|
// Replace the specified label with a textbox input element.
|
|
aLabel.parentNode.replaceChild(input, aLabel);
|
|
this._variablesView._boxObject.ensureElementIsVisible(input);
|
|
input.select();
|
|
|
|
// When the value is a string (displayed as "value"), then we probably want
|
|
// to change it to another string in the textbox, so to avoid typing the ""
|
|
// again, tackle with the selection bounds just a bit.
|
|
if (aLabel.getAttribute("value").match(/^".+"$/)) {
|
|
input.selectionEnd--;
|
|
input.selectionStart++;
|
|
}
|
|
|
|
input.addEventListener("keypress", aCallbacks.onKeypress, false);
|
|
input.addEventListener("blur", aCallbacks.onBlur, false);
|
|
|
|
this._prevExpandable = this.twisty;
|
|
this._prevExpanded = this.expanded;
|
|
this.collapse();
|
|
this.hideArrow();
|
|
this._locked = true;
|
|
|
|
this._inputNode = input;
|
|
this._stopThrobber();
|
|
},
|
|
|
|
/**
|
|
* Removes the textbox node in place of a label.
|
|
*
|
|
* @param nsIDOMNode aLabel
|
|
* The label which was replaced with a textbox.
|
|
* @param object aCallbacks
|
|
* An object containing the onKeypress and onBlur callbacks.
|
|
*/
|
|
_deactivateInput: function(aLabel, aInput, aCallbacks) {
|
|
aInput.parentNode.replaceChild(aLabel, aInput);
|
|
this._variablesView._boxObject.scrollBy(-this._target.clientWidth, 0);
|
|
|
|
aInput.removeEventListener("keypress", aCallbacks.onKeypress, false);
|
|
aInput.removeEventListener("blur", aCallbacks.onBlur, false);
|
|
|
|
this._locked = false;
|
|
this.twisty = this._prevExpandable;
|
|
this.expanded = this._prevExpanded;
|
|
|
|
this._inputNode = null;
|
|
this._stopThrobber();
|
|
},
|
|
|
|
/**
|
|
* Makes this variable's name editable.
|
|
*/
|
|
_activateNameInput: function(e) {
|
|
if (e && e.button != 0) {
|
|
// Only allow left-click to trigger this event.
|
|
return;
|
|
}
|
|
if (!this.ownerView.switch) {
|
|
return;
|
|
}
|
|
if (e) {
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
}
|
|
|
|
this._onNameInputKeyPress = this._onNameInputKeyPress.bind(this);
|
|
this._deactivateNameInput = this._deactivateNameInput.bind(this);
|
|
|
|
this._activateInput(this._name, "element-name-input", {
|
|
onKeypress: this._onNameInputKeyPress,
|
|
onBlur: this._deactivateNameInput
|
|
});
|
|
this._separatorLabel.hidden = true;
|
|
this._valueLabel.hidden = true;
|
|
},
|
|
|
|
/**
|
|
* Deactivates this variable's editable name mode.
|
|
*/
|
|
_deactivateNameInput: function(e) {
|
|
this._deactivateInput(this._name, e.target, {
|
|
onKeypress: this._onNameInputKeyPress,
|
|
onBlur: this._deactivateNameInput
|
|
});
|
|
this._separatorLabel.hidden = false;
|
|
this._valueLabel.hidden = false;
|
|
},
|
|
|
|
/**
|
|
* Makes this variable's value editable.
|
|
*/
|
|
_activateValueInput: function(e) {
|
|
if (e && e.button != 0) {
|
|
// Only allow left-click to trigger this event.
|
|
return;
|
|
}
|
|
if (!this.ownerView.eval) {
|
|
return;
|
|
}
|
|
if (e) {
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
}
|
|
|
|
this._onValueInputKeyPress = this._onValueInputKeyPress.bind(this);
|
|
this._deactivateValueInput = this._deactivateValueInput.bind(this);
|
|
|
|
this._activateInput(this._valueLabel, "element-value-input", {
|
|
onKeypress: this._onValueInputKeyPress,
|
|
onBlur: this._deactivateValueInput
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Deactivates this variable's editable value mode.
|
|
*/
|
|
_deactivateValueInput: function(e) {
|
|
this._deactivateInput(this._valueLabel, e.target, {
|
|
onKeypress: this._onValueInputKeyPress,
|
|
onBlur: this._deactivateValueInput
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Disables this variable prior to a new name switch or value evaluation.
|
|
*/
|
|
_disable: function() {
|
|
this.hideArrow();
|
|
this._separatorLabel.hidden = true;
|
|
this._valueLabel.hidden = true;
|
|
this._enum.hidden = true;
|
|
this._nonenum.hidden = true;
|
|
|
|
if (this._editNode) {
|
|
this._editNode.hidden = true;
|
|
}
|
|
if (this._deleteNode) {
|
|
this._deleteNode.hidden = true;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Deactivates this variable's editable mode and callbacks the new name.
|
|
*/
|
|
_saveNameInput: function(e) {
|
|
let input = e.target;
|
|
let initialString = this._name.getAttribute("value");
|
|
let currentString = input.value.trim();
|
|
this._deactivateNameInput(e);
|
|
|
|
if (initialString != currentString) {
|
|
if (!this._variablesView.preventDisableOnChage) {
|
|
this._disable();
|
|
this._name.value = currentString;
|
|
}
|
|
this.ownerView.switch(this, currentString);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Deactivates this variable's editable mode and evaluates the new value.
|
|
*/
|
|
_saveValueInput: function(e) {
|
|
let input = e.target;
|
|
let initialString = this._valueLabel.getAttribute("value");
|
|
let currentString = input.value.trim();
|
|
this._deactivateValueInput(e);
|
|
|
|
if (initialString != currentString) {
|
|
if (!this._variablesView.preventDisableOnChage) {
|
|
this._disable();
|
|
}
|
|
this.ownerView.eval(this.evaluationMacro(this, currentString.trim()));
|
|
}
|
|
},
|
|
|
|
/**
|
|
* The current macro used to generate the string evaluated when performing
|
|
* a variable or property value change.
|
|
*/
|
|
evaluationMacro: VariablesView.simpleValueEvalMacro,
|
|
|
|
/**
|
|
* The key press listener for this variable's editable name textbox.
|
|
*/
|
|
_onNameInputKeyPress: function(e) {
|
|
e.stopPropagation();
|
|
|
|
switch(e.keyCode) {
|
|
case e.DOM_VK_RETURN:
|
|
case e.DOM_VK_ENTER:
|
|
this._saveNameInput(e);
|
|
this.focus();
|
|
return;
|
|
case e.DOM_VK_ESCAPE:
|
|
this._deactivateNameInput(e);
|
|
this.focus();
|
|
return;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* The key press listener for this variable's editable value textbox.
|
|
*/
|
|
_onValueInputKeyPress: function(e) {
|
|
e.stopPropagation();
|
|
|
|
switch(e.keyCode) {
|
|
case e.DOM_VK_RETURN:
|
|
case e.DOM_VK_ENTER:
|
|
this._saveValueInput(e);
|
|
this.focus();
|
|
return;
|
|
case e.DOM_VK_ESCAPE:
|
|
this._deactivateValueInput(e);
|
|
this.focus();
|
|
return;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* The click listener for the edit button.
|
|
*/
|
|
_onEdit: function(e) {
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
this._activateValueInput();
|
|
},
|
|
|
|
/**
|
|
* The click listener for the delete button.
|
|
*/
|
|
_onDelete: function(e) {
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
|
|
if (this.ownerView.delete) {
|
|
if (!this.ownerView.delete(this)) {
|
|
this.hide();
|
|
}
|
|
}
|
|
},
|
|
|
|
_symbolicName: "",
|
|
_absoluteName: "",
|
|
_initialDescriptor: null,
|
|
_isPrimitive: false,
|
|
_isUndefined: false,
|
|
_separatorLabel: null,
|
|
_valueLabel: null,
|
|
_inputNode: null,
|
|
_editNode: null,
|
|
_deleteNode: null,
|
|
_tooltip: null,
|
|
_valueGrip: null,
|
|
_valueString: "",
|
|
_valueClassName: "",
|
|
_prevExpandable: false,
|
|
_prevExpanded: false
|
|
});
|
|
|
|
/**
|
|
* A Property is a Variable holding additional child Property instances.
|
|
* Iterable via "for (let [name, property] in instance) { }".
|
|
*
|
|
* @param Variable aVar
|
|
* The variable to contain this property.
|
|
* @param string aName
|
|
* The property's name.
|
|
* @param object aDescriptor
|
|
* The property's descriptor.
|
|
*/
|
|
function Property(aVar, aName, aDescriptor) {
|
|
Variable.call(this, aVar, aName, aDescriptor);
|
|
this._symbolicName = aVar._symbolicName + "[\"" + aName + "\"]";
|
|
this._absoluteName = aVar._absoluteName + "[\"" + aName + "\"]";
|
|
}
|
|
|
|
Property.prototype = Heritage.extend(Variable.prototype, {
|
|
/**
|
|
* Initializes this property's id, view and binds event listeners.
|
|
*
|
|
* @param string aName
|
|
* The property's name.
|
|
* @param object aDescriptor
|
|
* The property's descriptor.
|
|
*/
|
|
_init: function(aName, aDescriptor) {
|
|
this._idString = generateId(this._nameString = aName);
|
|
this._displayScope(aName, "variables-view-property variable-or-property");
|
|
|
|
// Don't allow displaying property information there's no name available.
|
|
if (this._nameString) {
|
|
this._displayVariable();
|
|
this._customizeVariable();
|
|
this._prepareTooltips();
|
|
this._setAttributes();
|
|
this._addEventListeners();
|
|
}
|
|
|
|
this._onInit(this.ownerView._store.size < LAZY_APPEND_BATCH);
|
|
},
|
|
|
|
/**
|
|
* Called when this property has finished initializing, and is ready to
|
|
* be attached to the owner view.
|
|
*
|
|
* @param boolean aImmediateFlag
|
|
* @see Scope.prototype._lazyAppend
|
|
*/
|
|
_onInit: function(aImmediateFlag) {
|
|
if (this._initialDescriptor.enumerable) {
|
|
this.ownerView._lazyAppend(aImmediateFlag, true, this._target);
|
|
this.ownerView._enumItems.push(this);
|
|
} else {
|
|
this.ownerView._lazyAppend(aImmediateFlag, false, this._target);
|
|
this.ownerView._nonEnumItems.push(this);
|
|
}
|
|
}
|
|
});
|
|
|
|
/**
|
|
* A generator-iterator over the VariablesView, Scopes, Variables and Properties.
|
|
*/
|
|
VariablesView.prototype.__iterator__ =
|
|
Scope.prototype.__iterator__ =
|
|
Variable.prototype.__iterator__ =
|
|
Property.prototype.__iterator__ = function() {
|
|
for (let item of this._store) {
|
|
yield item;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Forget everything recorded about added scopes, variables or properties.
|
|
* @see VariablesView.createHierarchy
|
|
*/
|
|
VariablesView.prototype.clearHierarchy = function() {
|
|
this._prevHierarchy.clear();
|
|
this._currHierarchy.clear();
|
|
};
|
|
|
|
/**
|
|
* Start recording a hierarchy of any added scopes, variables or properties.
|
|
* @see VariablesView.commitHierarchy
|
|
*/
|
|
VariablesView.prototype.createHierarchy = function() {
|
|
this._prevHierarchy = this._currHierarchy;
|
|
this._currHierarchy = new Map(); // Don't clear, this is just simple swapping.
|
|
};
|
|
|
|
/**
|
|
* Briefly flash the variables that changed between the previous and current
|
|
* scope/variable/property hierarchies and reopen previously expanded nodes.
|
|
*/
|
|
VariablesView.prototype.commitHierarchy = function() {
|
|
let prevHierarchy = this._prevHierarchy;
|
|
let currHierarchy = this._currHierarchy;
|
|
|
|
for (let [absoluteName, currVariable] of currHierarchy) {
|
|
// Ignore variables which were already commmitted.
|
|
if (currVariable._committed) {
|
|
continue;
|
|
}
|
|
// Avoid performing expensive operations.
|
|
if (this.commitHierarchyIgnoredItems[currVariable._nameString]) {
|
|
continue;
|
|
}
|
|
|
|
// Try to get the previous instance of the inspected variable to
|
|
// determine the difference in state.
|
|
let prevVariable = prevHierarchy.get(absoluteName);
|
|
let expanded = false;
|
|
let changed = false;
|
|
|
|
// If the inspected variable existed in a previous hierarchy, check if
|
|
// the displayed value (a representation of the grip) has changed and if
|
|
// it was previously expanded.
|
|
if (prevVariable) {
|
|
expanded = prevVariable._isExpanded;
|
|
|
|
// Only analyze Variables and Properties for displayed value changes.
|
|
if (currVariable instanceof Variable) {
|
|
changed = prevVariable._valueString != currVariable._valueString;
|
|
}
|
|
}
|
|
|
|
// Make sure this variable is not handled in ulteror commits for the
|
|
// same hierarchy.
|
|
currVariable._committed = true;
|
|
|
|
// Re-expand the variable if not previously collapsed.
|
|
if (expanded) {
|
|
currVariable._wasToggled = prevVariable._wasToggled;
|
|
currVariable.expand();
|
|
}
|
|
// This variable was either not changed or removed, no need to continue.
|
|
if (!changed) {
|
|
continue;
|
|
}
|
|
|
|
// Apply an attribute determining the flash type and duration.
|
|
// Dispatch this action after all the nodes have been drawn, so that
|
|
// the transition efects can take place.
|
|
this.window.setTimeout(function(aTarget) {
|
|
aTarget.addEventListener("transitionend", function onEvent() {
|
|
aTarget.removeEventListener("transitionend", onEvent, false);
|
|
aTarget.removeAttribute("changed");
|
|
}, false);
|
|
aTarget.setAttribute("changed", "");
|
|
}.bind(this, currVariable.target), this.lazyEmptyDelay + 1);
|
|
}
|
|
};
|
|
|
|
// Some variables are likely to contain a very large number of properties.
|
|
// It would be a bad idea to re-expand them or perform expensive operations.
|
|
VariablesView.prototype.commitHierarchyIgnoredItems = Object.create(null, {
|
|
"window": { value: true }
|
|
});
|
|
|
|
/**
|
|
* Returns true if the descriptor represents an undefined, null or
|
|
* primitive value.
|
|
*
|
|
* @param object aDescriptor
|
|
* The variable's descriptor.
|
|
*/
|
|
VariablesView.isPrimitive = function(aDescriptor) {
|
|
// For accessor property descriptors, the getter and setter need to be
|
|
// contained in 'get' and 'set' properties.
|
|
let getter = aDescriptor.get;
|
|
let setter = aDescriptor.set;
|
|
if (getter || setter) {
|
|
return false;
|
|
}
|
|
|
|
// As described in the remote debugger protocol, the value grip
|
|
// must be contained in a 'value' property.
|
|
let grip = aDescriptor.value;
|
|
if (typeof grip != "object") {
|
|
return true;
|
|
}
|
|
|
|
// For convenience, undefined, null, Infinity, -Infinity, NaN, -0, and long
|
|
// strings are considered types.
|
|
let type = grip.type;
|
|
if (type == "undefined" ||
|
|
type == "null" ||
|
|
type == "Infinity" ||
|
|
type == "-Infinity" ||
|
|
type == "NaN" ||
|
|
type == "-0" ||
|
|
type == "longString") {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Returns true if the descriptor represents an undefined value.
|
|
*
|
|
* @param object aDescriptor
|
|
* The variable's descriptor.
|
|
*/
|
|
VariablesView.isUndefined = function(aDescriptor) {
|
|
// For accessor property descriptors, the getter and setter need to be
|
|
// contained in 'get' and 'set' properties.
|
|
let getter = aDescriptor.get;
|
|
let setter = aDescriptor.set;
|
|
if (typeof getter == "object" && getter.type == "undefined" &&
|
|
typeof setter == "object" && setter.type == "undefined") {
|
|
return true;
|
|
}
|
|
|
|
// As described in the remote debugger protocol, the value grip
|
|
// must be contained in a 'value' property.
|
|
let grip = aDescriptor.value;
|
|
if (typeof grip == "object" && grip.type == "undefined") {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Returns true if the descriptor represents a falsy value.
|
|
*
|
|
* @param object aDescriptor
|
|
* The variable's descriptor.
|
|
*/
|
|
VariablesView.isFalsy = function(aDescriptor) {
|
|
// As described in the remote debugger protocol, the value grip
|
|
// must be contained in a 'value' property.
|
|
let grip = aDescriptor.value;
|
|
if (typeof grip != "object") {
|
|
return !grip;
|
|
}
|
|
|
|
// For convenience, undefined, null, NaN, and -0 are all considered types.
|
|
let type = grip.type;
|
|
if (type == "undefined" ||
|
|
type == "null" ||
|
|
type == "NaN" ||
|
|
type == "-0") {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Returns true if the value is an instance of Variable or Property.
|
|
*
|
|
* @param any aValue
|
|
* The value to test.
|
|
*/
|
|
VariablesView.isVariable = function(aValue) {
|
|
return aValue instanceof Variable;
|
|
};
|
|
|
|
/**
|
|
* Returns a standard grip for a value.
|
|
*
|
|
* @param any aValue
|
|
* The raw value to get a grip for.
|
|
* @return any
|
|
* The value's grip.
|
|
*/
|
|
VariablesView.getGrip = function(aValue) {
|
|
switch (typeof aValue) {
|
|
case "boolean":
|
|
case "string":
|
|
return aValue;
|
|
case "number":
|
|
if (aValue === Infinity) {
|
|
return { type: "Infinity" };
|
|
} else if (aValue === -Infinity) {
|
|
return { type: "-Infinity" };
|
|
} else if (Number.isNaN(aValue)) {
|
|
return { type: "NaN" };
|
|
} else if (1 / aValue === -Infinity) {
|
|
return { type: "-0" };
|
|
}
|
|
return aValue;
|
|
case "undefined":
|
|
// document.all is also "undefined"
|
|
if (aValue === undefined) {
|
|
return { type: "undefined" };
|
|
}
|
|
case "object":
|
|
if (aValue === null) {
|
|
return { type: "null" };
|
|
}
|
|
case "function":
|
|
return { type: "object",
|
|
class: WebConsoleUtils.getObjectClassName(aValue) };
|
|
default:
|
|
Cu.reportError("Failed to provide a grip for value of " + typeof value +
|
|
": " + aValue);
|
|
return null;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Returns a custom formatted property string for a grip.
|
|
*
|
|
* @param any aGrip
|
|
* @see Variable.setGrip
|
|
* @param boolean aConciseFlag
|
|
* Return a concisely formatted property string.
|
|
* @return string
|
|
* The formatted property string.
|
|
*/
|
|
VariablesView.getString = function(aGrip, aConciseFlag) {
|
|
if (aGrip && typeof aGrip == "object") {
|
|
switch (aGrip.type) {
|
|
case "undefined":
|
|
case "null":
|
|
case "NaN":
|
|
case "Infinity":
|
|
case "-Infinity":
|
|
case "-0":
|
|
return aGrip.type;
|
|
case "longString":
|
|
return "\"" + aGrip.initial + "\"";
|
|
default:
|
|
if (!aConciseFlag) {
|
|
return "[" + aGrip.type + " " + aGrip.class + "]";
|
|
}
|
|
return aGrip.class;
|
|
}
|
|
}
|
|
switch (typeof aGrip) {
|
|
case "string":
|
|
return "\"" + aGrip + "\"";
|
|
case "boolean":
|
|
return aGrip ? "true" : "false";
|
|
case "number":
|
|
if (!aGrip && 1 / aGrip === -Infinity) {
|
|
return "-0";
|
|
}
|
|
default:
|
|
return aGrip + "";
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Returns a custom class style for a grip.
|
|
*
|
|
* @param any aGrip
|
|
* @see Variable.setGrip
|
|
* @return string
|
|
* The custom class style.
|
|
*/
|
|
VariablesView.getClass = function(aGrip) {
|
|
if (aGrip && typeof aGrip == "object") {
|
|
switch (aGrip.type) {
|
|
case "undefined":
|
|
return "token-undefined";
|
|
case "null":
|
|
return "token-null";
|
|
case "Infinity":
|
|
case "-Infinity":
|
|
case "NaN":
|
|
case "-0":
|
|
return "token-number";
|
|
case "longString":
|
|
return "token-string";
|
|
}
|
|
}
|
|
switch (typeof aGrip) {
|
|
case "string":
|
|
return "token-string";
|
|
case "boolean":
|
|
return "token-boolean";
|
|
case "number":
|
|
return "token-number";
|
|
default:
|
|
return "token-other";
|
|
}
|
|
};
|
|
|
|
/**
|
|
* A monotonically-increasing counter, that guarantees the uniqueness of scope,
|
|
* variables and properties ids.
|
|
*
|
|
* @param string aName
|
|
* An optional string to prefix the id with.
|
|
* @return number
|
|
* A unique id.
|
|
*/
|
|
let generateId = (function() {
|
|
let count = 0;
|
|
return function(aName = "") {
|
|
return aName.toLowerCase().trim().replace(/\s+/g, "-") + (++count);
|
|
};
|
|
})();
|