mirror of
https://github.com/classilla/tenfourfox.git
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130 lines
4.2 KiB
JavaScript
130 lines
4.2 KiB
JavaScript
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const DEBUG = false;
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function debug(s) {
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if (DEBUG) dump("-*- EngineeringModeAPI: " + s + "\n");
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}
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/DOMRequestHelper.jsm");
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XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
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"@mozilla.org/childprocessmessagemanager;1",
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"nsIMessageSender");
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function EngineeringModeAPI() {
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}
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EngineeringModeAPI.prototype = {
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__proto__: DOMRequestIpcHelper.prototype,
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classDescription: "Engineering Mode API",
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classID: Components.ID("{27e55b94-fc43-42b3-b0f0-28bebdd804f1}"),
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contractID: "@mozilla.org/dom/engineering-mode-api;1",
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// For DOMRequestHelper: must have nsISupportsWeakReference and nsIObserver.
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIDOMGlobalPropertyInitializer,
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Ci.nsISupportsWeakReference,
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Ci.nsIObserver]),
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init: function(aWindow) {
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this.initDOMRequestHelper(aWindow, ["EngineeringMode:OnMessage",
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"EngineeringMode:SetValue:Result:OK",
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"EngineeringMode:SetValue:Result:KO",
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"EngineeringMode:GetValue:Result:OK",
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"EngineeringMode:GetValue:Result:KO"]);
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cpmm.sendAsyncMessage("EngineeringMode:Register", null);
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},
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uninit: function() {
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cpmm.sendAsyncMessage("EngineeringMode:Unregister", null);
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},
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// This returns a Promise<DOMString>
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getValue: function getValue(aName) {
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debug("getValue " + aName);
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let promiseInit = function(aResolverId) {
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debug("promise init called for getValue " + aName + " has resolverId " + aResolverId);
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cpmm.sendAsyncMessage("EngineeringMode:GetValue", {
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requestId: aResolverId,
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name: aName
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});
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}.bind(this);
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return this.createPromiseWithId(promiseInit);
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},
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// This returns a Promise<void>
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setValue: function setValue(aName, aValue) {
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debug("setValue " + aName + ' as ' + aValue );
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let promiseInit = function(aResolverId) {
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debug("promise init called for getValue " + aName + " has resolverId " + aResolverId);
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cpmm.sendAsyncMessage("EngineeringMode:SetValue", {
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requestId: aResolverId,
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name: aName,
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value: aValue
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});
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}.bind(this);
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return this.createPromiseWithId(promiseInit);
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},
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set onmessage(aHandler) {
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this.__DOM_IMPL__.setEventHandler("onmessage", aHandler);
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},
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get onmessage() {
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return this.__DOM_IMPL__.getEventHandler("onmessage");
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},
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receiveMessage: function(aMessage) {
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debug("receiveMessage: name: " + aMessage.name);
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let resolver = null;
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let data = aMessage.data;
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switch (aMessage.name) {
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case "EngineeringMode:OnMessage":
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let detail = Cu.cloneInto(data, this._window);
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let event = new this._window.CustomEvent("message", {"detail": detail});
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this.__DOM_IMPL__.dispatchEvent(event);
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break;
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case "EngineeringMode:GetValue:Result:OK":
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case "EngineeringMode:GetValue:Result:KO":
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resolver = this.takePromiseResolver(data.requestId);
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if (!resolver) {
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return;
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}
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if (aMessage.name === "EngineeringMode:GetValue:Result:OK") {
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resolver.resolve(data.value);
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} else {
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resolver.reject(data.reason);
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}
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break;
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case "EngineeringMode:SetValue:Result:OK":
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case "EngineeringMode:SetValue:Result:KO":
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resolver = this.takePromiseResolver(data.requestId);
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if (!resolver) {
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return;
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}
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if (aMessage.name === "EngineeringMode:SetValue:Result:OK") {
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resolver.resolve();
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} else {
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resolver.reject(data.reason);
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}
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break;
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}
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}
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}
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([EngineeringModeAPI]);
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