зеркало из https://github.com/mozilla/gecko-dev.git
693 строки
21 KiB
JavaScript
693 строки
21 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 { Ci } = require("chrome");
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const promise = require("promise");
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const Services = require("Services");
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const EventEmitter = require("devtools/shared/event-emitter");
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const TOOL_URL = "chrome://devtools/content/responsive.html/index.xhtml";
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loader.lazyRequireGetter(this, "DebuggerClient", "devtools/shared/client/debugger-client", true);
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loader.lazyRequireGetter(this, "DebuggerServer", "devtools/server/main", true);
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loader.lazyRequireGetter(this, "throttlingProfiles", "devtools/client/shared/components/throttling/profiles");
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loader.lazyRequireGetter(this, "swapToInnerBrowser", "devtools/client/responsive.html/browser/swap", true);
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loader.lazyRequireGetter(this, "startup", "devtools/client/responsive.html/utils/window", true);
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loader.lazyRequireGetter(this, "message", "devtools/client/responsive.html/utils/message");
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loader.lazyRequireGetter(this, "showNotification", "devtools/client/responsive.html/utils/notification", true);
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loader.lazyRequireGetter(this, "l10n", "devtools/client/responsive.html/utils/l10n");
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loader.lazyRequireGetter(this, "EmulationFront", "devtools/shared/fronts/emulation", true);
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loader.lazyRequireGetter(this, "PriorityLevels", "devtools/client/shared/components/NotificationBox", true);
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loader.lazyRequireGetter(this, "TargetFactory", "devtools/client/framework/target", true);
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loader.lazyRequireGetter(this, "gDevTools", "devtools/client/framework/devtools", true);
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loader.lazyRequireGetter(this, "Telemetry", "devtools/client/shared/telemetry");
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const RELOAD_CONDITION_PREF_PREFIX = "devtools.responsive.reloadConditions.";
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const RELOAD_NOTIFICATION_PREF = "devtools.responsive.reloadNotification.enabled";
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function debug(msg) {
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// console.log(`RDM manager: ${msg}`);
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}
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/**
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* ResponsiveUIManager is the external API for the browser UI, etc. to use when
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* opening and closing the responsive UI.
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*/
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const ResponsiveUIManager = exports.ResponsiveUIManager = {
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_telemetry: new Telemetry(),
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activeTabs: new Map(),
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/**
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* Toggle the responsive UI for a tab.
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*
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* @param window
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* The main browser chrome window.
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* @param tab
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* The browser tab.
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* @param options
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* Other options associated with toggling. Currently includes:
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* - `trigger`: String denoting the UI entry point, such as:
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* - `command`: GCLI command bar or toolbox button
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* - `menu`: Web Developer menu item
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* - `shortcut`: Keyboard shortcut
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* @return Promise
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* Resolved when the toggling has completed. If the UI has opened,
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* it is resolved to the ResponsiveUI instance for this tab. If the
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* the UI has closed, there is no resolution value.
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*/
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toggle(window, tab, options = {}) {
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const action = this.isActiveForTab(tab) ? "close" : "open";
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const completed = this[action + "IfNeeded"](window, tab, options);
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completed.catch(console.error);
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return completed;
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},
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/**
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* Opens the responsive UI, if not already open.
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*
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* @param window
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* The main browser chrome window.
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* @param tab
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* The browser tab.
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* @param options
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* Other options associated with opening. Currently includes:
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* - `trigger`: String denoting the UI entry point, such as:
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* - `command`: GCLI command bar or toolbox button
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* - `menu`: Web Developer menu item
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* - `shortcut`: Keyboard shortcut
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* @return Promise
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* Resolved to the ResponsiveUI instance for this tab when opening is
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* complete.
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*/
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async openIfNeeded(window, tab, options = {}) {
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if (!tab.linkedBrowser.isRemoteBrowser) {
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this.showRemoteOnlyNotification(window, tab, options);
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return promise.reject(new Error("RDM only available for remote tabs."));
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}
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if (!this.isActiveForTab(tab)) {
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this.initMenuCheckListenerFor(window);
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// Track whether a toolbox was opened before RDM was opened.
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const toolbox = gDevTools.getToolbox(TargetFactory.forTab(tab));
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const hostType = toolbox ? toolbox.hostType : "none";
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const hasToolbox = !!toolbox;
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const tel = this._telemetry;
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if (hasToolbox) {
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tel.scalarAdd("devtools.responsive.toolbox_opened_first", 1);
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}
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tel.recordEvent("devtools.main", "activate", "responsive_design", null, {
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"host": hostType,
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"width": Math.ceil(window.outerWidth / 50) * 50
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});
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// Track opens keyed by the UI entry point used.
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let { trigger } = options;
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if (!trigger) {
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trigger = "unknown";
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}
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tel.keyedScalarAdd("devtools.responsive.open_trigger", trigger, 1);
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const ui = new ResponsiveUI(window, tab);
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this.activeTabs.set(tab, ui);
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await this.setMenuCheckFor(tab, window);
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await ui.inited;
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this.emit("on", { tab });
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}
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return this.getResponsiveUIForTab(tab);
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},
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/**
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* Closes the responsive UI, if not already closed.
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*
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* @param window
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* The main browser chrome window.
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* @param tab
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* The browser tab.
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* @param options
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* Other options associated with closing. Currently includes:
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* - `trigger`: String denoting the UI entry point, such as:
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* - `command`: GCLI command bar or toolbox button
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* - `menu`: Web Developer menu item
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* - `shortcut`: Keyboard shortcut
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* - `reason`: String detailing the specific cause for closing
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* @return Promise
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* Resolved (with no value) when closing is complete.
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*/
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async closeIfNeeded(window, tab, options = {}) {
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if (this.isActiveForTab(tab)) {
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const ui = this.activeTabs.get(tab);
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const destroyed = await ui.destroy(options);
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if (!destroyed) {
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// Already in the process of destroying, abort.
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return;
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}
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const hostType = Services.prefs.getStringPref("devtools.toolbox.host");
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const t = this._telemetry;
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t.recordEvent("devtools.main", "deactivate", "responsive_design", null, {
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"host": hostType,
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"width": Math.ceil(window.outerWidth / 50) * 50
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});
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this.activeTabs.delete(tab);
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if (!this.isActiveForWindow(window)) {
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this.removeMenuCheckListenerFor(window);
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}
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this.emit("off", { tab });
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await this.setMenuCheckFor(tab, window);
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}
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},
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/**
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* Returns true if responsive UI is active for a given tab.
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*
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* @param tab
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* The browser tab.
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* @return boolean
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*/
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isActiveForTab(tab) {
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return this.activeTabs.has(tab);
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},
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/**
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* Returns true if responsive UI is active in any tab in the given window.
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*
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* @param window
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* The main browser chrome window.
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* @return boolean
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*/
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isActiveForWindow(window) {
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return [...this.activeTabs.keys()].some(t => t.ownerGlobal === window);
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},
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/**
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* Return the responsive UI controller for a tab.
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*
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* @param tab
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* The browser tab.
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* @return ResponsiveUI
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* The UI instance for this tab.
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*/
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getResponsiveUIForTab(tab) {
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return this.activeTabs.get(tab);
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},
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/**
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* Handle GCLI commands.
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*
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* @param window
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* The main browser chrome window.
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* @param tab
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* The browser tab.
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* @param command
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* The GCLI command name.
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* @param args
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* The GCLI command arguments.
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*/
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handleGcliCommand(window, tab, command, args) {
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let completed;
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switch (command) {
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case "resize to":
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completed = this.openIfNeeded(window, tab, { trigger: "command" });
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this.activeTabs.get(tab).setViewportSize(args);
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break;
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case "resize on":
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completed = this.openIfNeeded(window, tab, { trigger: "command" });
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break;
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case "resize off":
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completed = this.closeIfNeeded(window, tab, { trigger: "command" });
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break;
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case "resize toggle":
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completed = this.toggle(window, tab, { trigger: "command" });
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break;
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default:
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}
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completed.catch(console.error);
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},
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handleMenuCheck({target}) {
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ResponsiveUIManager.setMenuCheckFor(target);
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},
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initMenuCheckListenerFor(window) {
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const { tabContainer } = window.gBrowser;
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tabContainer.addEventListener("TabSelect", this.handleMenuCheck);
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},
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removeMenuCheckListenerFor(window) {
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if (window && window.gBrowser && window.gBrowser.tabContainer) {
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const { tabContainer } = window.gBrowser;
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tabContainer.removeEventListener("TabSelect", this.handleMenuCheck);
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}
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},
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async setMenuCheckFor(tab, window = tab.ownerGlobal) {
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await startup(window);
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const menu = window.document.getElementById("menu_responsiveUI");
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if (menu) {
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menu.setAttribute("checked", this.isActiveForTab(tab));
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}
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},
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showRemoteOnlyNotification(window, tab, { trigger } = {}) {
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showNotification(window, tab, {
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command: trigger == "command",
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msg: l10n.getStr("responsive.remoteOnly"),
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priority: PriorityLevels.PRIORITY_CRITICAL_MEDIUM,
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});
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},
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};
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// GCLI commands in ./commands.js listen for events from this object to know
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// when the UI for a tab has opened or closed.
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EventEmitter.decorate(ResponsiveUIManager);
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/**
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* ResponsiveUI manages the responsive design tool for a specific tab. The
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* actual tool itself lives in a separate chrome:// document that is loaded into
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* the tab upon opening responsive design. This object acts a helper to
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* integrate the tool into the surrounding browser UI as needed.
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*/
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function ResponsiveUI(window, tab) {
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this.browserWindow = window;
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this.tab = tab;
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this.inited = this.init();
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}
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ResponsiveUI.prototype = {
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/**
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* The main browser chrome window (that holds many tabs).
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*/
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browserWindow: null,
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/**
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* The specific browser tab this responsive instance is for.
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*/
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tab: null,
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/**
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* Promise resovled when the UI init has completed.
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*/
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inited: null,
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/**
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* Flag set when destruction has begun.
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*/
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destroying: false,
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/**
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* Flag set when destruction has ended.
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*/
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destroyed: false,
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/**
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* A window reference for the chrome:// document that displays the responsive
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* design tool. It is safe to reference this window directly even with e10s,
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* as the tool UI is always loaded in the parent process. The web content
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* contained *within* the tool UI on the other hand is loaded in the child
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* process.
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*/
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toolWindow: null,
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/**
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* Open RDM while preserving the state of the page. We use `swapFrameLoaders`
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* to ensure all in-page state is preserved, just like when you move a tab to
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* a new window.
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*
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* For more details, see /devtools/docs/responsive-design-mode.md.
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*/
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async init() {
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debug("Init start");
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const ui = this;
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// Watch for tab close and window close so we can clean up RDM synchronously
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this.tab.addEventListener("TabClose", this);
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this.browserWindow.addEventListener("unload", this);
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// Swap page content from the current tab into a viewport within RDM
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debug("Create browser swapper");
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this.swap = swapToInnerBrowser({
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tab: this.tab,
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containerURL: TOOL_URL,
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async getInnerBrowser(containerBrowser) {
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const toolWindow = ui.toolWindow = containerBrowser.contentWindow;
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toolWindow.addEventListener("message", ui);
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debug("Wait until init from inner");
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await message.request(toolWindow, "init");
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toolWindow.addInitialViewport({
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uri: "about:blank",
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userContextId: ui.tab.userContextId,
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});
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debug("Wait until browser mounted");
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await message.wait(toolWindow, "browser-mounted");
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return ui.getViewportBrowser();
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}
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});
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debug("Wait until swap start");
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await this.swap.start();
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this.tab.addEventListener("BeforeTabRemotenessChange", this);
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// Notify the inner browser to start the frame script
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debug("Wait until start frame script");
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await message.request(this.toolWindow, "start-frame-script");
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// Get the protocol ready to speak with emulation actor
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debug("Wait until RDP server connect");
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await this.connectToServer();
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// Non-blocking message to tool UI to start any delayed init activities
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message.post(this.toolWindow, "post-init");
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debug("Init done");
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},
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/**
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* Close RDM and restore page content back into a regular tab.
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*
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* @param object
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* Destroy options, which currently includes a `reason` string.
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* @return boolean
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* Whether this call is actually destroying. False means destruction
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* was already in progress.
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*/
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async destroy(options) {
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if (this.destroying) {
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return false;
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}
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this.destroying = true;
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// If our tab is about to be closed, there's not enough time to exit
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// gracefully, but that shouldn't be a problem since the tab will go away.
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// So, skip any waiting when we're about to close the tab.
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const isWindowClosing = options && options.reason === "unload";
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const isTabContentDestroying =
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isWindowClosing || (options && (options.reason === "TabClose" ||
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options.reason === "BeforeTabRemotenessChange"));
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// Ensure init has finished before starting destroy
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if (!isTabContentDestroying) {
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await this.inited;
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}
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this.tab.removeEventListener("TabClose", this);
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this.tab.removeEventListener("BeforeTabRemotenessChange", this);
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this.browserWindow.removeEventListener("unload", this);
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this.toolWindow.removeEventListener("message", this);
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if (!isTabContentDestroying) {
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// Notify the inner browser to stop the frame script
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await message.request(this.toolWindow, "stop-frame-script");
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}
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// Ensure the tab is reloaded if required when exiting RDM so that no emulated
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// settings are left in a customized state.
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if (!isTabContentDestroying) {
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let reloadNeeded = false;
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await this.updateDPPX();
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await this.updateNetworkThrottling();
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reloadNeeded |= await this.updateUserAgent() &&
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this.reloadOnChange("userAgent");
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reloadNeeded |= await this.updateTouchSimulation() &&
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this.reloadOnChange("touchSimulation");
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if (reloadNeeded) {
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this.getViewportBrowser().reload();
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}
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}
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// Destroy local state
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const swap = this.swap;
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this.browserWindow = null;
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this.tab = null;
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this.inited = null;
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this.toolWindow = null;
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this.swap = null;
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// Close the debugger client used to speak with emulation actor.
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// The actor handles clearing any overrides itself, so it's not necessary to clear
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// anything on shutdown client side.
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const clientClosed = this.client.close();
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if (!isTabContentDestroying) {
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await clientClosed;
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}
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this.client = this.emulationFront = null;
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if (!isWindowClosing) {
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// Undo the swap and return the content back to a normal tab
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swap.stop();
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}
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this.destroyed = true;
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return true;
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},
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async connectToServer() {
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DebuggerServer.init();
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DebuggerServer.registerAllActors();
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this.client = new DebuggerClient(DebuggerServer.connectPipe());
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await this.client.connect();
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const { tab } = await this.client.getTab();
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this.emulationFront = EmulationFront(this.client, tab);
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},
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/**
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* Show one-time notification about reloads for emulation.
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*/
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showReloadNotification() {
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if (Services.prefs.getBoolPref(RELOAD_NOTIFICATION_PREF, false)) {
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showNotification(this.browserWindow, this.tab, {
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msg: l10n.getFormatStr("responsive.reloadNotification.description",
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l10n.getStr("responsive.reloadConditions.label")),
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});
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Services.prefs.setBoolPref(RELOAD_NOTIFICATION_PREF, false);
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}
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},
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reloadOnChange(id) {
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this.showReloadNotification();
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const pref = RELOAD_CONDITION_PREF_PREFIX + id;
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return Services.prefs.getBoolPref(pref, false);
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},
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handleEvent(event) {
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const { browserWindow, tab } = this;
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switch (event.type) {
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case "message":
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this.handleMessage(event);
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break;
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case "BeforeTabRemotenessChange":
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case "TabClose":
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case "unload":
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ResponsiveUIManager.closeIfNeeded(browserWindow, tab, {
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reason: event.type,
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});
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break;
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}
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},
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handleMessage(event) {
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if (event.origin !== "chrome://devtools") {
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return;
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}
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switch (event.data.type) {
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case "change-device":
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this.onChangeDevice(event);
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break;
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case "change-network-throttling":
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this.onChangeNetworkThrottling(event);
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break;
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case "change-pixel-ratio":
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this.onChangePixelRatio(event);
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break;
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case "change-touch-simulation":
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this.onChangeTouchSimulation(event);
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break;
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case "content-resize":
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this.onContentResize(event);
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break;
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case "exit":
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this.onExit();
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break;
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case "remove-device-association":
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this.onRemoveDeviceAssociation(event);
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break;
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}
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},
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async onChangeDevice(event) {
|
|
const { userAgent, pixelRatio, touch } = event.data.device;
|
|
let reloadNeeded = false;
|
|
await this.updateDPPX(pixelRatio);
|
|
reloadNeeded |= await this.updateUserAgent(userAgent) &&
|
|
this.reloadOnChange("userAgent");
|
|
reloadNeeded |= await this.updateTouchSimulation(touch) &&
|
|
this.reloadOnChange("touchSimulation");
|
|
if (reloadNeeded) {
|
|
this.getViewportBrowser().reload();
|
|
}
|
|
// Used by tests
|
|
this.emit("device-changed");
|
|
},
|
|
|
|
async onChangeNetworkThrottling(event) {
|
|
const { enabled, profile } = event.data;
|
|
await this.updateNetworkThrottling(enabled, profile);
|
|
// Used by tests
|
|
this.emit("network-throttling-changed");
|
|
},
|
|
|
|
onChangePixelRatio(event) {
|
|
const { pixelRatio } = event.data;
|
|
this.updateDPPX(pixelRatio);
|
|
},
|
|
|
|
async onChangeTouchSimulation(event) {
|
|
const { enabled } = event.data;
|
|
const reloadNeeded = await this.updateTouchSimulation(enabled) &&
|
|
this.reloadOnChange("touchSimulation");
|
|
if (reloadNeeded) {
|
|
this.getViewportBrowser().reload();
|
|
}
|
|
// Used by tests
|
|
this.emit("touch-simulation-changed");
|
|
},
|
|
|
|
onContentResize(event) {
|
|
const { width, height } = event.data;
|
|
this.emit("content-resize", {
|
|
width,
|
|
height,
|
|
});
|
|
},
|
|
|
|
onExit() {
|
|
const { browserWindow, tab } = this;
|
|
ResponsiveUIManager.closeIfNeeded(browserWindow, tab);
|
|
},
|
|
|
|
async onRemoveDeviceAssociation(event) {
|
|
let reloadNeeded = false;
|
|
await this.updateDPPX();
|
|
reloadNeeded |= await this.updateUserAgent() &&
|
|
this.reloadOnChange("userAgent");
|
|
reloadNeeded |= await this.updateTouchSimulation() &&
|
|
this.reloadOnChange("touchSimulation");
|
|
if (reloadNeeded) {
|
|
this.getViewportBrowser().reload();
|
|
}
|
|
// Used by tests
|
|
this.emit("device-association-removed");
|
|
},
|
|
|
|
/**
|
|
* Set or clear the emulated device pixel ratio.
|
|
*
|
|
* @return boolean
|
|
* Whether a reload is needed to apply the change.
|
|
* (This is always immediate, so it's always false.)
|
|
*/
|
|
async updateDPPX(dppx) {
|
|
if (!dppx) {
|
|
await this.emulationFront.clearDPPXOverride();
|
|
return false;
|
|
}
|
|
await this.emulationFront.setDPPXOverride(dppx);
|
|
return false;
|
|
},
|
|
|
|
/**
|
|
* Set or clear network throttling.
|
|
*
|
|
* @return boolean
|
|
* Whether a reload is needed to apply the change.
|
|
* (This is always immediate, so it's always false.)
|
|
*/
|
|
async updateNetworkThrottling(enabled, profile) {
|
|
if (!enabled) {
|
|
await this.emulationFront.clearNetworkThrottling();
|
|
return false;
|
|
}
|
|
const data = throttlingProfiles.find(({ id }) => id == profile);
|
|
const { download, upload, latency } = data;
|
|
await this.emulationFront.setNetworkThrottling({
|
|
downloadThroughput: download,
|
|
uploadThroughput: upload,
|
|
latency,
|
|
});
|
|
return false;
|
|
},
|
|
|
|
/**
|
|
* Set or clear the emulated user agent.
|
|
*
|
|
* @return boolean
|
|
* Whether a reload is needed to apply the change.
|
|
*/
|
|
updateUserAgent(userAgent) {
|
|
if (!userAgent) {
|
|
return this.emulationFront.clearUserAgentOverride();
|
|
}
|
|
return this.emulationFront.setUserAgentOverride(userAgent);
|
|
},
|
|
|
|
/**
|
|
* Set or clear touch simulation.
|
|
*
|
|
* @return boolean
|
|
* Whether a reload is needed to apply the change.
|
|
*/
|
|
updateTouchSimulation(enabled) {
|
|
if (!enabled) {
|
|
return this.emulationFront.clearTouchEventsOverride();
|
|
}
|
|
return this.emulationFront.setTouchEventsOverride(
|
|
Ci.nsIDocShell.TOUCHEVENTS_OVERRIDE_ENABLED
|
|
);
|
|
},
|
|
|
|
/**
|
|
* Helper for tests. Assumes a single viewport for now.
|
|
*/
|
|
getViewportSize() {
|
|
return this.toolWindow.getViewportSize();
|
|
},
|
|
|
|
/**
|
|
* Helper for tests, GCLI, etc. Assumes a single viewport for now.
|
|
*/
|
|
async setViewportSize(size) {
|
|
await this.inited;
|
|
this.toolWindow.setViewportSize(size);
|
|
},
|
|
|
|
/**
|
|
* Helper for tests/reloading the viewport. Assumes a single viewport for now.
|
|
*/
|
|
getViewportBrowser() {
|
|
return this.toolWindow.getViewportBrowser();
|
|
},
|
|
|
|
/**
|
|
* Helper for contacting the viewport content. Assumes a single viewport for now.
|
|
*/
|
|
getViewportMessageManager() {
|
|
return this.getViewportBrowser().messageManager;
|
|
},
|
|
|
|
};
|
|
|
|
EventEmitter.decorate(ResponsiveUI.prototype);
|