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-rw-r--r--testing/specialpowers/content/specialpowers.js278
1 files changed, 278 insertions, 0 deletions
diff --git a/testing/specialpowers/content/specialpowers.js b/testing/specialpowers/content/specialpowers.js
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+++ b/testing/specialpowers/content/specialpowers.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/* This code is loaded in every child process that is started by mochitest in
+ * order to be used as a replacement for UniversalXPConnect
+ */
+
+function SpecialPowers(window) {
+ this.window = Components.utils.getWeakReference(window);
+ this._windowID = window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
+ .getInterface(Components.interfaces.nsIDOMWindowUtils)
+ .currentInnerWindowID;
+ this._encounteredCrashDumpFiles = [];
+ this._unexpectedCrashDumpFiles = { };
+ this._crashDumpDir = null;
+ this.DOMWindowUtils = bindDOMWindowUtils(window);
+ Object.defineProperty(this, 'Components', {
+ configurable: true, enumerable: true, get: function() {
+ var win = this.window.get();
+ if (!win)
+ return null;
+ return getRawComponents(win);
+ }});
+ this._pongHandlers = [];
+ this._messageListener = this._messageReceived.bind(this);
+ this._grandChildFrameMM = null;
+ this._createFilesOnError = null;
+ this._createFilesOnSuccess = null;
+ this.SP_SYNC_MESSAGES = ["SPChromeScriptMessage",
+ "SPLoadChromeScript",
+ "SPImportInMainProcess",
+ "SPObserverService",
+ "SPPermissionManager",
+ "SPPrefService",
+ "SPProcessCrashService",
+ "SPSetTestPluginEnabledState",
+ "SPCleanUpSTSData"];
+
+ this.SP_ASYNC_MESSAGES = ["SpecialPowers.Focus",
+ "SpecialPowers.Quit",
+ "SpecialPowers.CreateFiles",
+ "SpecialPowers.RemoveFiles",
+ "SPPingService",
+ "SPLoadExtension",
+ "SPStartupExtension",
+ "SPUnloadExtension",
+ "SPExtensionMessage",
+ "SPClearAppPrivateData"];
+ addMessageListener("SPPingService", this._messageListener);
+ addMessageListener("SpecialPowers.FilesCreated", this._messageListener);
+ addMessageListener("SpecialPowers.FilesError", this._messageListener);
+ let self = this;
+ Services.obs.addObserver(function onInnerWindowDestroyed(subject, topic, data) {
+ var id = subject.QueryInterface(Components.interfaces.nsISupportsPRUint64).data;
+ if (self._windowID === id) {
+ Services.obs.removeObserver(onInnerWindowDestroyed, "inner-window-destroyed");
+ try {
+ removeMessageListener("SPPingService", self._messageListener);
+ removeMessageListener("SpecialPowers.FilesCreated", self._messageListener);
+ removeMessageListener("SpecialPowers.FilesError", self._messageListener);
+ } catch (e if e.result == Components.results.NS_ERROR_ILLEGAL_VALUE) {
+ // Ignore the exception which the message manager has been destroyed.
+ ;
+ }
+ }
+ }, "inner-window-destroyed", false);
+}
+
+SpecialPowers.prototype = new SpecialPowersAPI();
+
+SpecialPowers.prototype.toString = function() { return "[SpecialPowers]"; };
+SpecialPowers.prototype.sanityCheck = function() { return "foo"; };
+
+// This gets filled in in the constructor.
+SpecialPowers.prototype.DOMWindowUtils = undefined;
+SpecialPowers.prototype.Components = undefined;
+SpecialPowers.prototype.IsInNestedFrame = false;
+
+SpecialPowers.prototype._sendSyncMessage = function(msgname, msg) {
+ if (this.SP_SYNC_MESSAGES.indexOf(msgname) == -1) {
+ dump("TEST-INFO | specialpowers.js | Unexpected SP message: " + msgname + "\n");
+ }
+ return sendSyncMessage(msgname, msg);
+};
+
+SpecialPowers.prototype._sendAsyncMessage = function(msgname, msg) {
+ if (this.SP_ASYNC_MESSAGES.indexOf(msgname) == -1) {
+ dump("TEST-INFO | specialpowers.js | Unexpected SP message: " + msgname + "\n");
+ }
+ sendAsyncMessage(msgname, msg);
+};
+
+SpecialPowers.prototype._addMessageListener = function(msgname, listener) {
+ addMessageListener(msgname, listener);
+ sendAsyncMessage("SPPAddNestedMessageListener", { name: msgname });
+};
+
+SpecialPowers.prototype._removeMessageListener = function(msgname, listener) {
+ removeMessageListener(msgname, listener);
+};
+
+SpecialPowers.prototype.registerProcessCrashObservers = function() {
+ addMessageListener("SPProcessCrashService", this._messageListener);
+ sendSyncMessage("SPProcessCrashService", { op: "register-observer" });
+};
+
+SpecialPowers.prototype.unregisterProcessCrashObservers = function() {
+ removeMessageListener("SPProcessCrashService", this._messageListener);
+ sendSyncMessage("SPProcessCrashService", { op: "unregister-observer" });
+};
+
+SpecialPowers.prototype._messageReceived = function(aMessage) {
+ switch (aMessage.name) {
+ case "SPProcessCrashService":
+ if (aMessage.json.type == "crash-observed") {
+ for (let e of aMessage.json.dumpIDs) {
+ this._encounteredCrashDumpFiles.push(e.id + "." + e.extension);
+ }
+ }
+ break;
+
+ case "SPPingService":
+ if (aMessage.json.op == "pong") {
+ var handler = this._pongHandlers.shift();
+ if (handler) {
+ handler();
+ }
+ if (this._grandChildFrameMM) {
+ this._grandChildFrameMM.sendAsyncMessage("SPPingService", { op: "pong" });
+ }
+ }
+ break;
+
+ case "SpecialPowers.FilesCreated":
+ var handler = this._createFilesOnSuccess;
+ this._createFilesOnSuccess = null;
+ this._createFilesOnError = null;
+ if (handler) {
+ handler(aMessage.data);
+ }
+ break;
+
+ case "SpecialPowers.FilesError":
+ var handler = this._createFilesOnError;
+ this._createFilesOnSuccess = null;
+ this._createFilesOnError = null;
+ if (handler) {
+ handler(aMessage.data);
+ }
+ break;
+ }
+
+ return true;
+};
+
+SpecialPowers.prototype.quit = function() {
+ sendAsyncMessage("SpecialPowers.Quit", {});
+};
+
+// fileRequests is an array of file requests. Each file request is an object.
+// A request must have a field |name|, which gives the base of the name of the
+// file to be created in the profile directory. If the request has a |data| field
+// then that data will be written to the file.
+SpecialPowers.prototype.createFiles = function(fileRequests, onCreation, onError) {
+ if (this._createFilesOnSuccess || this._createFilesOnError) {
+ onError("Already waiting for SpecialPowers.createFiles() to finish.");
+ return;
+ }
+
+ this._createFilesOnSuccess = onCreation;
+ this._createFilesOnError = onError;
+ sendAsyncMessage("SpecialPowers.CreateFiles", fileRequests);
+};
+
+// Remove the files that were created using |SpecialPowers.createFiles()|.
+// This will be automatically called by |SimpleTest.finish()|.
+SpecialPowers.prototype.removeFiles = function() {
+ sendAsyncMessage("SpecialPowers.RemoveFiles", {});
+};
+
+SpecialPowers.prototype.executeAfterFlushingMessageQueue = function(aCallback) {
+ this._pongHandlers.push(aCallback);
+ sendAsyncMessage("SPPingService", { op: "ping" });
+};
+
+SpecialPowers.prototype.nestedFrameSetup = function() {
+ let self = this;
+ Services.obs.addObserver(function onRemoteBrowserShown(subject, topic, data) {
+ let frameLoader = subject;
+ // get a ref to the app <iframe>
+ frameLoader.QueryInterface(Components.interfaces.nsIFrameLoader);
+ let frame = frameLoader.ownerElement;
+ let frameId = frame.getAttribute('id');
+ if (frameId === "nested-parent-frame") {
+ Services.obs.removeObserver(onRemoteBrowserShown, "remote-browser-shown");
+
+ let mm = frame.QueryInterface(Components.interfaces.nsIFrameLoaderOwner).frameLoader.messageManager;
+ self._grandChildFrameMM = mm;
+
+ self.SP_SYNC_MESSAGES.forEach(function (msgname) {
+ mm.addMessageListener(msgname, function (msg) {
+ return self._sendSyncMessage(msgname, msg.data)[0];
+ });
+ });
+ self.SP_ASYNC_MESSAGES.forEach(function (msgname) {
+ mm.addMessageListener(msgname, function (msg) {
+ self._sendAsyncMessage(msgname, msg.data);
+ });
+ });
+ mm.addMessageListener("SPPAddNestedMessageListener", function(msg) {
+ self._addMessageListener(msg.json.name, function(aMsg) {
+ mm.sendAsyncMessage(aMsg.name, aMsg.data);
+ });
+ });
+
+ mm.loadFrameScript("chrome://specialpowers/content/MozillaLogger.js", false);
+ mm.loadFrameScript("chrome://specialpowers/content/specialpowersAPI.js", false);
+ mm.loadFrameScript("chrome://specialpowers/content/specialpowers.js", false);
+
+ let frameScript = "SpecialPowers.prototype.IsInNestedFrame=true;";
+ mm.loadFrameScript("data:," + frameScript, false);
+ }
+ }, "remote-browser-shown", false);
+};
+
+SpecialPowers.prototype.isServiceWorkerRegistered = function() {
+ var swm = Components.classes["@mozilla.org/serviceworkers/manager;1"]
+ .getService(Components.interfaces.nsIServiceWorkerManager);
+ return swm.getAllRegistrations().length != 0;
+};
+
+// Attach our API to the window.
+function attachSpecialPowersToWindow(aWindow) {
+ try {
+ if ((aWindow !== null) &&
+ (aWindow !== undefined) &&
+ (aWindow.wrappedJSObject) &&
+ !(aWindow.wrappedJSObject.SpecialPowers)) {
+ let sp = new SpecialPowers(aWindow);
+ aWindow.wrappedJSObject.SpecialPowers = sp;
+ if (sp.IsInNestedFrame) {
+ sp.addPermission("allowXULXBL", true, aWindow.document);
+ }
+ }
+ } catch(ex) {
+ dump("TEST-INFO | specialpowers.js | Failed to attach specialpowers to window exception: " + ex + "\n");
+ }
+}
+
+// This is a frame script, so it may be running in a content process.
+// In any event, it is targeted at a specific "tab", so we listen for
+// the DOMWindowCreated event to be notified about content windows
+// being created in this context.
+
+function SpecialPowersManager() {
+ addEventListener("DOMWindowCreated", this, false);
+}
+
+SpecialPowersManager.prototype = {
+ handleEvent: function handleEvent(aEvent) {
+ var window = aEvent.target.defaultView;
+ attachSpecialPowersToWindow(window);
+ }
+};
+
+
+var specialpowersmanager = new SpecialPowersManager();
+
+this.SpecialPowers = SpecialPowers;
+this.attachSpecialPowersToWindow = attachSpecialPowersToWindow;
+
+// In the case of Chrome mochitests that inject specialpowers.js as
+// a regular content script
+if (typeof window != 'undefined') {
+ window.addMessageListener = function() {}
+ window.removeMessageListener = function() {}
+ window.wrappedJSObject.SpecialPowers = new SpecialPowers(window);
+}