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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /testing/marionette/browser.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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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/. */
+
+"use strict";
+
+const {utils: Cu} = Components;
+
+Cu.import("chrome://marionette/content/element.js");
+Cu.import("chrome://marionette/content/error.js");
+Cu.import("chrome://marionette/content/frame.js");
+
+this.EXPORTED_SYMBOLS = ["browser"];
+
+this.browser = {};
+
+const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
+
+
+/**
+ * Get the <xul:browser> for the specified tab.
+ *
+ * @param {<xul:tab>} tab
+ * The tab whose browser needs to be returned.
+ *
+ * @return {<xul:browser>}
+ * The linked browser for the tab or null if no browser can be found.
+ */
+browser.getBrowserForTab = function (tab) {
+ if ("browser" in tab) {
+ // Fennec
+ return tab.browser;
+
+ } else if ("linkedBrowser" in tab) {
+ // Firefox
+ return tab.linkedBrowser;
+
+ } else {
+ return null;
+ }
+};
+
+/**
+ * Return the tab browser for the specified chrome window.
+ *
+ * @param {nsIDOMWindow} win
+ * The window whose tabbrowser needs to be accessed.
+ *
+ * @return {<xul:tabbrowser>}
+ * Tab browser or null if it's not a browser window.
+ */
+browser.getTabBrowser = function (win) {
+ if ("BrowserApp" in win) {
+ // Fennec
+ return win.BrowserApp;
+
+ } else if ("gBrowser" in win) {
+ // Firefox
+ return win.gBrowser;
+
+ } else {
+ return null;
+ }
+};
+
+/**
+ * Creates a browsing context wrapper.
+ *
+ * Browsing contexts handle interactions with the browser, according to
+ * the current environment (desktop, B2G, Fennec, &c).
+ *
+ * @param {nsIDOMWindow} win
+ * The window whose browser needs to be accessed.
+ * @param {GeckoDriver} driver
+ * Reference to the driver the browser is attached to.
+ */
+browser.Context = class {
+
+ /**
+ * @param {<xul:browser>} win
+ * Frame that is expected to contain the view of the web document.
+ * @param {GeckoDriver} driver
+ * Reference to driver instance.
+ */
+ constructor(win, driver) {
+ this.window = win;
+ this.driver = driver;
+
+ // In Firefox this is <xul:tabbrowser> (not <xul:browser>!)
+ // and BrowserApp in Fennec
+ this.tabBrowser = browser.getTabBrowser(win);
+
+ this.knownFrames = [];
+
+ // Used in B2G to identify the homescreen content page
+ this.mainContentId = null;
+
+ // Used to set curFrameId upon new session
+ this.newSession = true;
+
+ this.seenEls = new element.Store();
+
+ // A reference to the tab corresponding to the current window handle, if any.
+ // Specifically, this.tab refers to the last tab that Marionette switched
+ // to in this browser window. Note that this may not equal the currently
+ // selected tab. For example, if Marionette switches to tab A, and then
+ // clicks on a button that opens a new tab B in the same browser window,
+ // this.tab will still point to tab A, despite tab B being the currently
+ // selected tab.
+ this.tab = null;
+ this.pendingCommands = [];
+
+ // We should have one frame.Manager per browser.Context so that we
+ // can handle modals in each <xul:browser>.
+ this.frameManager = new frame.Manager(driver);
+ this.frameRegsPending = 0;
+
+ // register all message listeners
+ this.frameManager.addMessageManagerListeners(driver.mm);
+ this.getIdForBrowser = driver.getIdForBrowser.bind(driver);
+ this.updateIdForBrowser = driver.updateIdForBrowser.bind(driver);
+ this._curFrameId = null;
+ this._browserWasRemote = null;
+ this._hasRemotenessChange = false;
+ }
+
+ /**
+ * The current frame ID is managed per browser element on desktop in
+ * case the ID needs to be refreshed. The currently selected window is
+ * identified by a tab.
+ */
+ get curFrameId() {
+ let rv = null;
+ if (this.driver.appName == "B2G") {
+ rv = this._curFrameId;
+ } else if (this.tab) {
+ rv = this.getIdForBrowser(browser.getBrowserForTab(this.tab));
+ }
+ return rv;
+ }
+
+ set curFrameId(id) {
+ if (this.driver.appName != "Firefox") {
+ this._curFrameId = id;
+ }
+ }
+
+ /**
+ * Retrieves the current tabmodal UI object. According to the browser
+ * associated with the currently selected tab.
+ */
+ getTabModalUI() {
+ let br = browser.getBrowserForTab(this.tab);
+ if (!br.hasAttribute("tabmodalPromptShowing")) {
+ return null;
+ }
+
+ // The modal is a direct sibling of the browser element.
+ // See tabbrowser.xml's getTabModalPromptBox.
+ let modals = br.parentNode.getElementsByTagNameNS(
+ XUL_NS, "tabmodalprompt");
+ return modals[0].ui;
+ }
+
+ /**
+ * Close the current window.
+ *
+ * @return {Promise}
+ * A promise which is resolved when the current window has been closed.
+ */
+ closeWindow() {
+ return new Promise(resolve => {
+ this.window.addEventListener("unload", ev => {
+ resolve();
+ }, {once: true});
+ this.window.close();
+ });
+ }
+
+ /** Called when we start a session with this browser. */
+ startSession(newSession, win, callback) {
+ callback(win, newSession);
+ }
+
+ /**
+ * Close the current tab.
+ *
+ * @return {Promise}
+ * A promise which is resolved when the current tab has been closed.
+ *
+ * @throws UnsupportedOperationError
+ * If tab handling for the current application isn't supported.
+ */
+ closeTab() {
+ // If the current window is not a browser then close it directly. Do the
+ // same if only one remaining tab is open, or no tab selected at all.
+ if (!this.tabBrowser || this.tabBrowser.tabs.length === 1 || !this.tab) {
+ return this.closeWindow();
+ }
+
+ return new Promise((resolve, reject) => {
+ if (this.tabBrowser.closeTab) {
+ // Fennec
+ this.tabBrowser.deck.addEventListener("TabClose", ev => {
+ resolve();
+ }, {once: true});
+ this.tabBrowser.closeTab(this.tab);
+
+ } else if (this.tabBrowser.removeTab) {
+ // Firefox
+ this.tab.addEventListener("TabClose", ev => {
+ resolve();
+ }, {once: true});
+ this.tabBrowser.removeTab(this.tab);
+
+ } else {
+ reject(new UnsupportedOperationError(
+ `closeTab() not supported in ${this.driver.appName}`));
+ }
+ });
+ }
+
+ /**
+ * Opens a tab with given URI.
+ *
+ * @param {string} uri
+ * URI to open.
+ */
+ addTab(uri) {
+ return this.tabBrowser.addTab(uri, true);
+ }
+
+ /**
+ * Set the current tab and update remoteness tracking if a tabbrowser is available.
+ *
+ * @param {number=} index
+ * Tab index to switch to. If the parameter is undefined,
+ * the currently selected tab will be used.
+ * @param {nsIDOMWindow=} win
+ * Switch to this window before selecting the tab.
+ * @param {boolean=} focus
+ * A boolean value which determins whether to focus
+ * the window. Defaults to true.
+ *
+ * @throws UnsupportedOperationError
+ * If tab handling for the current application isn't supported.
+ */
+ switchToTab(index, win, focus = true) {
+ if (win) {
+ this.window = win;
+ this.tabBrowser = browser.getTabBrowser(win);
+ }
+
+ if (!this.tabBrowser) {
+ return;
+ }
+
+ if (typeof index == "undefined") {
+ this.tab = this.tabBrowser.selectedTab;
+ } else {
+ this.tab = this.tabBrowser.tabs[index];
+
+ if (focus) {
+ if (this.tabBrowser.selectTab) {
+ // Fennec
+ this.tabBrowser.selectTab(this.tab);
+
+ } else if ("selectedTab" in this.tabBrowser) {
+ // Firefox
+ this.tabBrowser.selectedTab = this.tab;
+
+ } else {
+ throw new UnsupportedOperationError("switchToTab() not supported");
+ }
+ }
+ }
+
+ if (this.driver.appName == "Firefox") {
+ this._browserWasRemote = browser.getBrowserForTab(this.tab).isRemoteBrowser;
+ this._hasRemotenessChange = false;
+ }
+ }
+
+ /**
+ * Registers a new frame, and sets its current frame id to this frame
+ * if it is not already assigned, and if a) we already have a session
+ * or b) we're starting a new session and it is the right start frame.
+ *
+ * @param {string} uid
+ * Frame uid for use by Marionette.
+ * @param the XUL <browser> that was the target of the originating message.
+ */
+ register(uid, target) {
+ let remotenessChange = this.hasRemotenessChange();
+ if (this.curFrameId === null || remotenessChange) {
+ if (this.tabBrowser) {
+ // If we're setting up a new session on Firefox, we only process the
+ // registration for this frame if it belongs to the current tab.
+ if (!this.tab) {
+ this.switchToTab();
+ }
+
+ if (target == browser.getBrowserForTab(this.tab)) {
+ this.updateIdForBrowser(browser.getBrowserForTab(this.tab), uid);
+ this.mainContentId = uid;
+ }
+ } else {
+ this._curFrameId = uid;
+ this.mainContentId = uid;
+ }
+ }
+
+ // used to delete sessions
+ this.knownFrames.push(uid);
+ return remotenessChange;
+ }
+
+ /**
+ * When navigating between pages results in changing a browser's
+ * process, we need to take measures not to lose contact with a listener
+ * script. This function does the necessary bookkeeping.
+ */
+ hasRemotenessChange() {
+ // None of these checks are relevant on b2g or if we don't have a tab yet,
+ // and may not apply on Fennec.
+ if (this.driver.appName != "Firefox" ||
+ this.tab === null ||
+ browser.getBrowserForTab(this.tab) === null) {
+ return false;
+ }
+
+ if (this._hasRemotenessChange) {
+ return true;
+ }
+
+ let currentIsRemote = browser.getBrowserForTab(this.tab).isRemoteBrowser;
+ this._hasRemotenessChange = this._browserWasRemote !== currentIsRemote;
+ this._browserWasRemote = currentIsRemote;
+ return this._hasRemotenessChange;
+ }
+
+ /**
+ * Flushes any pending commands queued when a remoteness change is being
+ * processed and mark this remotenessUpdate as complete.
+ */
+ flushPendingCommands() {
+ if (!this._hasRemotenessChange) {
+ return;
+ }
+
+ this._hasRemotenessChange = false;
+ this.pendingCommands.forEach(cb => cb());
+ this.pendingCommands = [];
+ }
+
+ /**
+ * This function intercepts commands interacting with content and queues
+ * or executes them as needed.
+ *
+ * No commands interacting with content are safe to process until
+ * the new listener script is loaded and registers itself.
+ * This occurs when a command whose effect is asynchronous (such
+ * as goBack) results in a remoteness change and new commands
+ * are subsequently posted to the server.
+ */
+ executeWhenReady(cb) {
+ if (this.hasRemotenessChange()) {
+ this.pendingCommands.push(cb);
+ } else {
+ cb();
+ }
+ }
+
+ /**
+ * Returns the position of the OS window.
+ */
+ get position() {
+ return {
+ x: this.window.screenX,
+ y: this.window.screenY,
+ };
+ }
+
+};
+
+/**
+ * The window storage is used to save outer window IDs mapped to weak
+ * references of Window objects.
+ *
+ * Usage:
+ *
+ * let wins = new browser.Windows();
+ * wins.set(browser.outerWindowID, window);
+ *
+ * ...
+ *
+ * let win = wins.get(browser.outerWindowID);
+ *
+ */
+browser.Windows = class extends Map {
+
+ /**
+ * Save a weak reference to the Window object.
+ *
+ * @param {string} id
+ * Outer window ID.
+ * @param {Window} win
+ * Window object to save.
+ *
+ * @return {browser.Windows}
+ * Instance of self.
+ */
+ set(id, win) {
+ let wref = Cu.getWeakReference(win);
+ super.set(id, wref);
+ return this;
+ }
+
+ /**
+ * Get the window object stored by provided |id|.
+ *
+ * @param {string} id
+ * Outer window ID.
+ *
+ * @return {Window}
+ * Saved window object, or |undefined| if no window is stored by
+ * provided |id|.
+ */
+ get(id) {
+ let wref = super.get(id);
+ if (wref) {
+ return wref.get();
+ }
+ }
+
+};