1 files changed, 175 insertions, 0 deletions
diff --git a/testing/mochitest/api.js b/testing/mochitest/api.js
new file mode 100644
index 0000000000..f9353acbf8
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+++ b/testing/mochitest/api.js
@@ -0,0 +1,175 @@
+/* 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/. */
+
+/* globals AppConstants, ExtensionAPI, Services */
+
+function loadChromeScripts(win) {
+  Services.scriptloader.loadSubScript(
+    "chrome://mochikit/content/chrome-harness.js",
+    win
+  );
+  Services.scriptloader.loadSubScript(
+    "chrome://mochikit/content/mochitest-e10s-utils.js",
+    win
+  );
+  Services.scriptloader.loadSubScript(
+    "chrome://mochikit/content/browser-test.js",
+    win
+  );
+}
+
+// ///// Android ///////
+
+const windowTracker = {
+  init() {
+    Services.obs.addObserver(this, "chrome-document-global-created");
+  },
+
+  async observe(window, topic, data) {
+    if (topic === "chrome-document-global-created") {
+      await new Promise(resolve =>
+        window.addEventListener("DOMContentLoaded", resolve, { once: true })
+      );
+
+      let { document } = window;
+      let { documentURI } = document;
+
+      if (documentURI !== AppConstants.BROWSER_CHROME_URL) {
+        return;
+      }
+      loadChromeScripts(window);
+    }
+  },
+};
+
+function androidStartup() {
+  // Only browser chrome tests need help starting.
+  let testRoot = Services.prefs.getStringPref("mochitest.testRoot", "");
+  if (testRoot.endsWith("/chrome")) {
+    // The initial window is created from browser startup, which races
+    // against extension initialization.  If it has already been created,
+    // inject the test scripts now, otherwise wait for the browser window
+    // to show up.
+    let win = Services.wm.getMostRecentWindow("navigator:browser");
+    if (win) {
+      loadChromeScripts(win);
+      return;
+    }
+
+    windowTracker.init();
+  }
+
+  Services.fog.initializeFOG();
+}
+
+// ///// Desktop ///////
+
+// Special case for Thunderbird windows.
+const IS_THUNDERBIRD =
+  Services.appinfo.ID == "{3550f703-e582-4d05-9a08-453d09bdfdc6}";
+const WINDOW_TYPE = IS_THUNDERBIRD ? "mail:3pane" : "navigator:browser";
+
+var WindowListener = {
+  // browser-test.js is only loaded into the first window. Setup that
+  // needs to happen in all navigator:browser windows should go here.
+  setupWindow(win) {
+    win.nativeConsole = win.console;
+    ChromeUtils.defineESModuleGetters(win, {
+      console: "resource://gre/modules/Console.sys.mjs",
+    });
+  },
+
+  tearDownWindow(win) {
+    if (win.nativeConsole) {
+      win.console = win.nativeConsole;
+      win.nativeConsole = undefined;
+    }
+  },
+
+  onOpenWindow(xulWin) {
+    let win = xulWin.docShell.domWindow;
+
+    win.addEventListener(
+      "load",
+      function() {
+        if (
+          win.document.documentElement.getAttribute("windowtype") == WINDOW_TYPE
+        ) {
+          WindowListener.setupWindow(win);
+        }
+      },
+      { once: true }
+    );
+  },
+};
+
+function loadMochitest(e) {
+  let flavor = e.detail[0];
+  let url = e.detail[1];
+
+  let win = Services.wm.getMostRecentWindow(WINDOW_TYPE);
+  win.removeEventListener("mochitest-load", loadMochitest);
+
+  // for mochitest-plain, navigating to the url is all we need
+  if (!IS_THUNDERBIRD) {
+    win.loadURI(
+      url,
+      null,
+      null,
+      null,
+      null,
+      null,
+      null,
+      null,
+      Services.scriptSecurityManager.getSystemPrincipal()
+    );
+  }
+  if (flavor == "mochitest") {
+    return;
+  }
+
+  WindowListener.setupWindow(win);
+  Services.wm.addListener(WindowListener);
+
+  loadChromeScripts(win);
+}
+
+this.mochikit = class extends ExtensionAPI {
+  onStartup() {
+    let aomStartup = Cc[
+      "@mozilla.org/addons/addon-manager-startup;1"
+    ].getService(Ci.amIAddonManagerStartup);
+    const manifestURI = Services.io.newURI(
+      "manifest.json",
+      null,
+      this.extension.rootURI
+    );
+    const targetURL = this.extension.rootURI.resolve("content/");
+    this.chromeHandle = aomStartup.registerChrome(manifestURI, [
+      ["content", "mochikit", targetURL],
+    ]);
+
+    if (AppConstants.platform == "android") {
+      androidStartup();
+    } else {
+      let win = Services.wm.getMostRecentWindow(WINDOW_TYPE);
+      // wait for event fired from start_desktop.js containing the
+      // suite and url to load
+      win.addEventListener("mochitest-load", loadMochitest);
+    }
+  }
+
+  onShutdown() {
+    if (AppConstants.platform != "android") {
+      for (let win of Services.wm.getEnumerator(WINDOW_TYPE)) {
+        WindowListener.tearDownWindow(win);
+      }
+
+      Services.wm.removeListener(WindowListener);
+    }
+
+    this.chromeHandle.destruct();
+    this.chromeHandle = null;
+  }
+};