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4de6bf22b1
MozReview-Commit-ID: H5YVp3rnzGo --HG-- extra : rebase_source : 5b45b6c0df834131812d094e975047eaad374e06
707 lines
23 KiB
JavaScript
707 lines
23 KiB
JavaScript
/* 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 {Cu} = require("chrome");
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const Services = require("Services");
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const {DevToolsShim} = Cu.import("chrome://devtools-shim/content/DevToolsShim.jsm", {});
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// Load gDevToolsBrowser toolbox lazily as they need gDevTools to be fully initialized
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loader.lazyRequireGetter(this, "TargetFactory", "devtools/client/framework/target", true);
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loader.lazyRequireGetter(this, "TabTarget", "devtools/client/framework/target", true);
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loader.lazyRequireGetter(this, "Toolbox", "devtools/client/framework/toolbox", true);
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loader.lazyRequireGetter(this, "ToolboxHostManager", "devtools/client/framework/toolbox-host-manager", true);
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loader.lazyRequireGetter(this, "gDevToolsBrowser", "devtools/client/framework/devtools-browser", true);
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loader.lazyRequireGetter(this, "HUDService", "devtools/client/webconsole/hudservice", true);
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loader.lazyImporter(this, "ScratchpadManager", "resource://devtools/client/scratchpad/scratchpad-manager.jsm");
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loader.lazyRequireGetter(this, "WebExtensionInspectedWindowFront",
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"devtools/shared/fronts/webextension-inspected-window", true);
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const {defaultTools: DefaultTools, defaultThemes: DefaultThemes} =
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require("devtools/client/definitions");
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const EventEmitter = require("devtools/shared/old-event-emitter");
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const AboutDevTools = require("devtools/client/framework/about-devtools-toolbox");
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const {Task} = require("devtools/shared/task");
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const {getTheme, setTheme, addThemeObserver, removeThemeObserver} =
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require("devtools/client/shared/theme");
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const FORBIDDEN_IDS = new Set(["toolbox", ""]);
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const MAX_ORDINAL = 99;
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/**
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* DevTools is a class that represents a set of developer tools, it holds a
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* set of tools and keeps track of open toolboxes in the browser.
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*/
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function DevTools() {
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this._tools = new Map(); // Map<toolId, tool>
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this._themes = new Map(); // Map<themeId, theme>
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this._toolboxes = new Map(); // Map<target, toolbox>
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// List of toolboxes that are still in process of creation
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this._creatingToolboxes = new Map(); // Map<target, toolbox Promise>
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AboutDevTools.register();
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EventEmitter.decorate(this);
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// Listen for changes to the theme pref.
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this._onThemeChanged = this._onThemeChanged.bind(this);
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addThemeObserver(this._onThemeChanged);
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// This is important step in initialization codepath where we are going to
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// start registering all default tools and themes: create menuitems, keys, emit
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// related events.
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this.registerDefaults();
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// Register this new DevTools instance to Firefox. DevToolsShim is part of Firefox,
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// integrating with all Firefox codebase and making the glue between code from
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// mozilla-central and DevTools add-on on github
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DevToolsShim.register(this);
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}
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DevTools.prototype = {
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// The windowtype of the main window, used in various tools. This may be set
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// to something different by other gecko apps.
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chromeWindowType: "navigator:browser",
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registerDefaults() {
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// Ensure registering items in the sorted order (getDefault* functions
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// return sorted lists)
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this.getDefaultTools().forEach(definition => this.registerTool(definition));
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this.getDefaultThemes().forEach(definition => this.registerTheme(definition));
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},
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unregisterDefaults() {
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for (let definition of this.getToolDefinitionArray()) {
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this.unregisterTool(definition.id);
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}
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for (let definition of this.getThemeDefinitionArray()) {
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this.unregisterTheme(definition.id);
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}
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},
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/**
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* Register a new developer tool.
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*
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* A definition is a light object that holds different information about a
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* developer tool. This object is not supposed to have any operational code.
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* See it as a "manifest".
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* The only actual code lives in the build() function, which will be used to
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* start an instance of this tool.
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*
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* Each toolDefinition has the following properties:
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* - id: Unique identifier for this tool (string|required)
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* - visibilityswitch: Property name to allow us to hide this tool from the
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* DevTools Toolbox.
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* A falsy value indicates that it cannot be hidden.
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* - icon: URL pointing to a graphic which will be used as the src for an
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* 16x16 img tag (string|required)
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* - url: URL pointing to a XUL/XHTML document containing the user interface
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* (string|required)
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* - label: Localized name for the tool to be displayed to the user
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* (string|required)
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* - hideInOptions: Boolean indicating whether or not this tool should be
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shown in toolbox options or not. Defaults to false.
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* (boolean)
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* - build: Function that takes an iframe, which has been populated with the
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* markup from |url|, and also the toolbox containing the panel.
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* And returns an instance of ToolPanel (function|required)
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*/
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registerTool(toolDefinition) {
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let toolId = toolDefinition.id;
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if (!toolId || FORBIDDEN_IDS.has(toolId)) {
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throw new Error("Invalid definition.id");
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}
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// Make sure that additional tools will always be able to be hidden.
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// When being called from main.js, defaultTools has not yet been exported.
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// But, we can assume that in this case, it is a default tool.
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if (DefaultTools.indexOf(toolDefinition) == -1) {
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toolDefinition.visibilityswitch = "devtools." + toolId + ".enabled";
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}
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this._tools.set(toolId, toolDefinition);
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this.emit("tool-registered", toolId);
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},
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/**
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* Removes all tools that match the given |toolId|
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* Needed so that add-ons can remove themselves when they are deactivated
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*
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* @param {string|object} tool
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* Definition or the id of the tool to unregister. Passing the
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* tool id should be avoided as it is a temporary measure.
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* @param {boolean} isQuitApplication
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* true to indicate that the call is due to app quit, so we should not
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* cause a cascade of costly events
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*/
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unregisterTool(tool, isQuitApplication) {
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let toolId = null;
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if (typeof tool == "string") {
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toolId = tool;
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tool = this._tools.get(tool);
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} else {
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let {Deprecated} = Cu.import("resource://gre/modules/Deprecated.jsm", {});
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Deprecated.warning("Deprecation WARNING: gDevTools.unregisterTool(tool) is " +
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"deprecated. You should unregister a tool using its toolId: " +
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"gDevTools.unregisterTool(toolId).");
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toolId = tool.id;
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}
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this._tools.delete(toolId);
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if (!isQuitApplication) {
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this.emit("tool-unregistered", toolId);
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}
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},
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/**
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* Sorting function used for sorting tools based on their ordinals.
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*/
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ordinalSort(d1, d2) {
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let o1 = (typeof d1.ordinal == "number") ? d1.ordinal : MAX_ORDINAL;
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let o2 = (typeof d2.ordinal == "number") ? d2.ordinal : MAX_ORDINAL;
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return o1 - o2;
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},
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getDefaultTools() {
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return DefaultTools.sort(this.ordinalSort);
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},
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getAdditionalTools() {
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let tools = [];
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for (let [, value] of this._tools) {
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if (DefaultTools.indexOf(value) == -1) {
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tools.push(value);
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}
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}
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return tools.sort(this.ordinalSort);
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},
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getDefaultThemes() {
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return DefaultThemes.sort(this.ordinalSort);
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},
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/**
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* Get a tool definition if it exists and is enabled.
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*
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* @param {string} toolId
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* The id of the tool to show
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*
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* @return {ToolDefinition|null} tool
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* The ToolDefinition for the id or null.
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*/
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getToolDefinition(toolId) {
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let tool = this._tools.get(toolId);
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if (!tool) {
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return null;
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} else if (!tool.visibilityswitch) {
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return tool;
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}
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let enabled = Services.prefs.getBoolPref(tool.visibilityswitch, true);
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return enabled ? tool : null;
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},
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/**
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* Allow ToolBoxes to get at the list of tools that they should populate
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* themselves with.
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*
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* @return {Map} tools
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* A map of the the tool definitions registered in this instance
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*/
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getToolDefinitionMap() {
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let tools = new Map();
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for (let [id, definition] of this._tools) {
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if (this.getToolDefinition(id)) {
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tools.set(id, definition);
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}
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}
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return tools;
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},
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/**
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* Tools have an inherent ordering that can't be represented in a Map so
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* getToolDefinitionArray provides an alternative representation of the
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* definitions sorted by ordinal value.
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*
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* @return {Array} tools
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* A sorted array of the tool definitions registered in this instance
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*/
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getToolDefinitionArray() {
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let definitions = [];
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for (let [id, definition] of this._tools) {
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if (this.getToolDefinition(id)) {
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definitions.push(definition);
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}
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}
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return definitions.sort(this.ordinalSort);
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},
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/**
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* Returns the name of the current theme for devtools.
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*
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* @return {string} theme
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* The name of the current devtools theme.
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*/
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getTheme() {
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return getTheme();
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},
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/**
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* Called when the developer tools theme changes.
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*/
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_onThemeChanged() {
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this.emit("theme-changed", getTheme());
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},
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/**
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* Register a new theme for developer tools toolbox.
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*
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* A definition is a light object that holds various information about a
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* theme.
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*
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* Each themeDefinition has the following properties:
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* - id: Unique identifier for this theme (string|required)
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* - label: Localized name for the theme to be displayed to the user
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* (string|required)
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* - stylesheets: Array of URLs pointing to a CSS document(s) containing
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* the theme style rules (array|required)
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* - classList: Array of class names identifying the theme within a document.
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* These names are set to document element when applying
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* the theme (array|required)
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* - onApply: Function that is executed by the framework when the theme
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* is applied. The function takes the current iframe window
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* and the previous theme id as arguments (function)
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* - onUnapply: Function that is executed by the framework when the theme
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* is unapplied. The function takes the current iframe window
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* and the new theme id as arguments (function)
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*/
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registerTheme(themeDefinition) {
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let themeId = themeDefinition.id;
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if (!themeId) {
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throw new Error("Invalid theme id");
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}
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if (this._themes.get(themeId)) {
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throw new Error("Theme with the same id is already registered");
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}
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this._themes.set(themeId, themeDefinition);
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this.emit("theme-registered", themeId);
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},
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/**
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* Removes an existing theme from the list of registered themes.
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* Needed so that add-ons can remove themselves when they are deactivated
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*
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* @param {string|object} theme
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* Definition or the id of the theme to unregister.
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*/
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unregisterTheme(theme) {
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let themeId = null;
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if (typeof theme == "string") {
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themeId = theme;
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theme = this._themes.get(theme);
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} else {
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themeId = theme.id;
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}
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let currTheme = getTheme();
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// Note that we can't check if `theme` is an item
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// of `DefaultThemes` as we end up reloading definitions
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// module and end up with different theme objects
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let isCoreTheme = DefaultThemes.some(t => t.id === themeId);
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// Reset the theme if an extension theme that's currently applied
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// is being removed.
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// Ignore shutdown since addons get disabled during that time.
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if (!Services.startup.shuttingDown &&
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!isCoreTheme &&
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theme.id == currTheme) {
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setTheme("light");
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this.emit("theme-unregistered", theme);
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}
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this._themes.delete(themeId);
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},
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/**
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* Get a theme definition if it exists.
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*
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* @param {string} themeId
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* The id of the theme
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*
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* @return {ThemeDefinition|null} theme
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* The ThemeDefinition for the id or null.
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*/
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getThemeDefinition(themeId) {
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let theme = this._themes.get(themeId);
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if (!theme) {
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return null;
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}
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return theme;
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},
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/**
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* Get map of registered themes.
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*
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* @return {Map} themes
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* A map of the the theme definitions registered in this instance
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*/
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getThemeDefinitionMap() {
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let themes = new Map();
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for (let [id, definition] of this._themes) {
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if (this.getThemeDefinition(id)) {
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themes.set(id, definition);
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}
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}
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return themes;
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},
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/**
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* Get registered themes definitions sorted by ordinal value.
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*
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* @return {Array} themes
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* A sorted array of the theme definitions registered in this instance
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*/
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getThemeDefinitionArray() {
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let definitions = [];
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for (let [id, definition] of this._themes) {
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if (this.getThemeDefinition(id)) {
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definitions.push(definition);
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}
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}
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return definitions.sort(this.ordinalSort);
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},
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/**
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* Called from SessionStore.jsm in mozilla-central when saving the current state.
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*
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* @param {Object} state
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* A SessionStore state object that gets modified by reference
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*/
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saveDevToolsSession: function (state) {
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state.browserConsole = HUDService.getBrowserConsoleSessionState();
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// Check if the module is loaded to avoid loading ScratchpadManager for no reason.
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state.scratchpads = [];
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if (Cu.isModuleLoaded("resource://devtools/client/scratchpad/scratchpad-manager.jsm")) {
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state.scratchpads = ScratchpadManager.getSessionState();
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}
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},
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/**
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* Restore the devtools session state as provided by SessionStore.
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*/
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restoreDevToolsSession: function ({scratchpads, browserConsole}) {
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if (scratchpads) {
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ScratchpadManager.restoreSession(scratchpads);
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}
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if (browserConsole && !HUDService.getBrowserConsole()) {
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HUDService.toggleBrowserConsole();
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}
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},
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/**
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* Boolean, true, if we never opened a toolbox.
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* Used to implement the telemetry tracking toolbox opening.
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*/
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_firstShowToolbox: true,
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/**
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* Show a Toolbox for a target (either by creating a new one, or if a toolbox
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* already exists for the target, by bring to the front the existing one)
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* If |toolId| is specified then the displayed toolbox will have the
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* specified tool selected.
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* If |hostType| is specified then the toolbox will be displayed using the
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* specified HostType.
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*
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* @param {Target} target
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* The target the toolbox will debug
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* @param {string} toolId
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* The id of the tool to show
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* @param {Toolbox.HostType} hostType
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* The type of host (bottom, window, side)
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* @param {object} hostOptions
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* Options for host specifically
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* @param {Number} startTime
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* Optional, indicates the time at which the user event related to this toolbox
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* opening started. This is a `performance.now()` timing.
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*
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* @return {Toolbox} toolbox
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* The toolbox that was opened
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*/
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showToolbox: Task.async(function* (target, toolId, hostType, hostOptions, startTime) {
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let toolbox = this._toolboxes.get(target);
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if (toolbox) {
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if (hostType != null && toolbox.hostType != hostType) {
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yield toolbox.switchHost(hostType);
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}
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if (toolId != null && toolbox.currentToolId != toolId) {
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yield toolbox.selectTool(toolId);
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}
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toolbox.raise();
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} else {
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// As toolbox object creation is async, we have to be careful about races
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// Check for possible already in process of loading toolboxes before
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// actually trying to create a new one.
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let promise = this._creatingToolboxes.get(target);
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if (promise) {
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return yield promise;
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}
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let toolboxPromise = this.createToolbox(target, toolId, hostType, hostOptions);
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this._creatingToolboxes.set(target, toolboxPromise);
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toolbox = yield toolboxPromise;
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this._creatingToolboxes.delete(target);
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if (startTime) {
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this.logToolboxOpenTime(toolbox.currentToolId, startTime);
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}
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this._firstShowToolbox = false;
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}
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return toolbox;
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}),
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/**
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* Log telemetry related to toolbox opening.
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* Two distinct probes are logged. One for cold startup, when we open the very first
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* toolbox. This one includes devtools framework loading. And a second one for all
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* subsequent toolbox opening, which should all be faster.
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* These two probes are indexed by Tool ID.
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*
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* @param {String} toolId
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* The id of the opened tool.
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* @param {Number} startTime
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* Indicates the time at which the user event related to the toolbox
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* opening started. This is a `performance.now()` timing.
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*/
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logToolboxOpenTime(toolId, startTime) {
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let { performance } = Services.appShell.hiddenDOMWindow;
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let delay = performance.now() - startTime;
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let telemetryKey = this._firstShowToolbox ?
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"DEVTOOLS_COLD_TOOLBOX_OPEN_DELAY_MS" : "DEVTOOLS_WARM_TOOLBOX_OPEN_DELAY_MS";
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let histogram = Services.telemetry.getKeyedHistogramById(telemetryKey);
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histogram.add(toolId, delay);
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},
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createToolbox: Task.async(function* (target, toolId, hostType, hostOptions) {
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let manager = new ToolboxHostManager(target, hostType, hostOptions);
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let toolbox = yield manager.create(toolId);
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this._toolboxes.set(target, toolbox);
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this.emit("toolbox-created", toolbox);
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toolbox.once("destroy", () => {
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this.emit("toolbox-destroy", target);
|
|
});
|
|
|
|
toolbox.once("destroyed", () => {
|
|
this._toolboxes.delete(target);
|
|
this.emit("toolbox-destroyed", target);
|
|
});
|
|
|
|
yield toolbox.open();
|
|
this.emit("toolbox-ready", toolbox);
|
|
|
|
return toolbox;
|
|
}),
|
|
|
|
/**
|
|
* Return the toolbox for a given target.
|
|
*
|
|
* @param {object} target
|
|
* Target value e.g. the target that owns this toolbox
|
|
*
|
|
* @return {Toolbox} toolbox
|
|
* The toolbox that is debugging the given target
|
|
*/
|
|
getToolbox(target) {
|
|
return this._toolboxes.get(target);
|
|
},
|
|
|
|
/**
|
|
* Close the toolbox for a given target
|
|
*
|
|
* @return promise
|
|
* This promise will resolve to false if no toolbox was found
|
|
* associated to the target. true, if the toolbox was successfully
|
|
* closed.
|
|
*/
|
|
closeToolbox: Task.async(function* (target) {
|
|
let toolbox = yield this._creatingToolboxes.get(target);
|
|
if (!toolbox) {
|
|
toolbox = this._toolboxes.get(target);
|
|
}
|
|
if (!toolbox) {
|
|
return false;
|
|
}
|
|
yield toolbox.destroy();
|
|
return true;
|
|
}),
|
|
|
|
/**
|
|
* Wrapper on TargetFactory.forTab, constructs a Target for the provided tab.
|
|
*
|
|
* @param {XULTab} tab
|
|
* The tab to use in creating a new target.
|
|
*
|
|
* @return {TabTarget} A target object
|
|
*/
|
|
getTargetForTab: function (tab) {
|
|
return TargetFactory.forTab(tab);
|
|
},
|
|
|
|
/**
|
|
* Compatibility layer for web-extensions. Used by DevToolsShim for
|
|
* browser/components/extensions/ext-devtools.js
|
|
*
|
|
* web-extensions need to use dedicated instances of TabTarget and cannot reuse the
|
|
* cached instances managed by DevTools target factory.
|
|
*/
|
|
createTargetForTab: function (tab) {
|
|
return new TabTarget(tab);
|
|
},
|
|
|
|
/**
|
|
* Compatibility layer for web-extensions. Used by DevToolsShim for
|
|
* browser/components/extensions/ext-devtools-inspectedWindow.js
|
|
*/
|
|
createWebExtensionInspectedWindowFront: function (tabTarget) {
|
|
return new WebExtensionInspectedWindowFront(tabTarget.client, tabTarget.form);
|
|
},
|
|
|
|
/**
|
|
* Compatibility layer for web-extensions. Used by DevToolsShim for
|
|
* toolkit/components/extensions/ext-c-toolkit.js
|
|
*/
|
|
openBrowserConsole: function () {
|
|
let {HUDService} = require("devtools/client/webconsole/hudservice");
|
|
HUDService.openBrowserConsoleOrFocus();
|
|
},
|
|
|
|
/**
|
|
* Called from the DevToolsShim, used by nsContextMenu.js.
|
|
*
|
|
* @param {XULTab} tab
|
|
* The browser tab on which inspect node was used.
|
|
* @param {Array} selectors
|
|
* An array of CSS selectors to find the target node. Several selectors can be
|
|
* needed if the element is nested in frames and not directly in the root
|
|
* document.
|
|
* @param {Number} startTime
|
|
* Optional, indicates the time at which the user event related to this node
|
|
* inspection started. This is a `performance.now()` timing.
|
|
* @return {Promise} a promise that resolves when the node is selected in the inspector
|
|
* markup view.
|
|
*/
|
|
async inspectNode(tab, nodeSelectors, startTime) {
|
|
let target = TargetFactory.forTab(tab);
|
|
|
|
let toolbox = await gDevTools.showToolbox(target, "inspector", null, null, startTime);
|
|
let inspector = toolbox.getCurrentPanel();
|
|
|
|
// new-node-front tells us when the node has been selected, whether the
|
|
// browser is remote or not.
|
|
let onNewNode = inspector.selection.once("new-node-front");
|
|
|
|
// Evaluate the cross iframes query selectors
|
|
async function querySelectors(nodeFront) {
|
|
let selector = nodeSelectors.pop();
|
|
if (!selector) {
|
|
return nodeFront;
|
|
}
|
|
nodeFront = await inspector.walker.querySelector(nodeFront, selector);
|
|
if (nodeSelectors.length > 0) {
|
|
let { nodes } = await inspector.walker.children(nodeFront);
|
|
// This is the NodeFront for the document node inside the iframe
|
|
nodeFront = nodes[0];
|
|
}
|
|
return querySelectors(nodeFront);
|
|
}
|
|
let nodeFront = await inspector.walker.getRootNode();
|
|
nodeFront = await querySelectors(nodeFront);
|
|
// Select the final node
|
|
inspector.selection.setNodeFront(nodeFront, "browser-context-menu");
|
|
|
|
await onNewNode;
|
|
// Now that the node has been selected, wait until the inspector is
|
|
// fully updated.
|
|
await inspector.once("inspector-updated");
|
|
},
|
|
|
|
/**
|
|
* Either the SDK Loader has been destroyed by the add-on contribution
|
|
* workflow, or firefox is shutting down.
|
|
|
|
* @param {boolean} shuttingDown
|
|
* True if firefox is currently shutting down. We may prevent doing
|
|
* some cleanups to speed it up. Otherwise everything need to be
|
|
* cleaned up in order to be able to load devtools again.
|
|
*/
|
|
destroy({ shuttingDown }) {
|
|
// Do not cleanup everything during firefox shutdown, but only when
|
|
// devtools are reloaded via the add-on contribution workflow.
|
|
if (!shuttingDown) {
|
|
for (let [, toolbox] of this._toolboxes) {
|
|
toolbox.destroy();
|
|
}
|
|
AboutDevTools.unregister();
|
|
}
|
|
|
|
for (let [key, ] of this.getToolDefinitionMap()) {
|
|
this.unregisterTool(key, true);
|
|
}
|
|
|
|
gDevTools.unregisterDefaults();
|
|
|
|
removeThemeObserver(this._onThemeChanged);
|
|
|
|
// Do not unregister devtools from the DevToolsShim if the destroy is caused by an
|
|
// application shutdown. For instance SessionStore needs to save the Scratchpad
|
|
// manager state on shutdown.
|
|
if (!shuttingDown) {
|
|
// Notify the DevToolsShim that DevTools are no longer available, particularly if
|
|
// the destroy was caused by disabling/removing the DevTools add-on.
|
|
DevToolsShim.unregister();
|
|
}
|
|
|
|
// Cleaning down the toolboxes: i.e.
|
|
// for (let [target, toolbox] of this._toolboxes) toolbox.destroy();
|
|
// Is taken care of by the gDevToolsBrowser.forgetBrowserWindow
|
|
},
|
|
|
|
/**
|
|
* Iterator that yields each of the toolboxes.
|
|
*/
|
|
* [Symbol.iterator ]() {
|
|
for (let toolbox of this._toolboxes) {
|
|
yield toolbox;
|
|
}
|
|
}
|
|
};
|
|
|
|
const gDevTools = exports.gDevTools = new DevTools();
|