1 files changed, 107 insertions, 0 deletions
diff --git a/dom/html/test/browser_fullscreen-contextmenu-esc.js b/dom/html/test/browser_fullscreen-contextmenu-esc.js
new file mode 100644
index 000000000..bbc741e47
--- /dev/null
+++ b/dom/html/test/browser_fullscreen-contextmenu-esc.js
@@ -0,0 +1,107 @@
+"use strict";
+
+function frameScript() {
+  addMessageListener("Test:RequestFullscreen", () => {
+    content.document.body.requestFullscreen();
+  });
+  content.document.addEventListener("fullscreenchange", () => {
+    sendAsyncMessage("Test:FullscreenChanged",
+                     !!content.document.fullscreenElement);
+  });
+  addMessageListener("Test:QueryFullscreenState", () => {
+    sendAsyncMessage("Test:FullscreenState",
+                     !!content.document.fullscreenElement);
+  });
+  function waitUntilActive() {
+    let doc = content.document;
+    if (doc.docShell.isActive && doc.hasFocus()) {
+      sendAsyncMessage("Test:Activated");
+    } else {
+      setTimeout(waitUntilActive, 10);
+    }
+  }
+  waitUntilActive();
+}
+
+var gMessageManager;
+
+function listenOneMessage(aMsg, aListener) {
+  function listener({ data }) {
+    gMessageManager.removeMessageListener(aMsg, listener);
+    aListener(data);
+  }
+  gMessageManager.addMessageListener(aMsg, listener);
+}
+
+function promiseOneMessage(aMsg) {
+  return new Promise(resolve => listenOneMessage(aMsg, resolve));
+}
+
+function captureUnexpectedFullscreenChange() {
+  ok(false, "Caught an unexpected fullscreen change");
+}
+
+const kPage = "http://example.org/browser/dom/html/test/dummy_page.html";
+
+add_task(function* () {
+  yield pushPrefs(
+    ["full-screen-api.transition-duration.enter", "0 0"],
+    ["full-screen-api.transition-duration.leave", "0 0"]);
+
+  let tab = gBrowser.addTab(kPage);
+  registerCleanupFunction(() => gBrowser.removeTab(tab));
+  let browser = tab.linkedBrowser;
+  gBrowser.selectedTab = tab;
+  yield waitForDocLoadComplete();
+
+  gMessageManager = browser.messageManager;
+  gMessageManager.loadFrameScript(
+    "data:,(" + frameScript.toString() + ")();", false);
+
+  // Wait for the document being activated, so that
+  // fullscreen request won't be denied.
+  yield promiseOneMessage("Test:Activated");
+
+  let contextMenu = document.getElementById("contentAreaContextMenu");
+  ok(contextMenu, "Got context menu");
+
+  let state;
+  info("Enter DOM fullscreen");
+  gMessageManager.sendAsyncMessage("Test:RequestFullscreen");
+  state = yield promiseOneMessage("Test:FullscreenChanged");
+  ok(state, "The content should have entered fullscreen");
+  ok(document.fullscreenElement, "The chrome should also be in fullscreen");
+  gMessageManager.addMessageListener(
+    "Test:FullscreenChanged", captureUnexpectedFullscreenChange);
+
+  info("Open context menu");
+  is(contextMenu.state, "closed", "Should not have opened context menu");
+  let popupShownPromise = promiseWaitForEvent(window, "popupshown");
+  EventUtils.synthesizeMouse(browser, screen.width / 2, screen.height / 2,
+                             {type: "contextmenu", button: 2}, window);
+  yield popupShownPromise;
+  is(contextMenu.state, "open", "Should have opened context menu");
+
+  info("Send the first escape");
+  let popupHidePromise = promiseWaitForEvent(window, "popuphidden");
+  EventUtils.synthesizeKey("VK_ESCAPE", {});
+  yield popupHidePromise;
+  is(contextMenu.state, "closed", "Should have closed context menu");
+
+  // Wait a small time to confirm that the first ESC key
+  // does not exit fullscreen.
+  yield new Promise(resolve => setTimeout(resolve, 1000));
+  gMessageManager.sendAsyncMessage("Test:QueryFullscreenState");
+  state = yield promiseOneMessage("Test:FullscreenState");
+  ok(state, "The content should still be in fullscreen");
+  ok(document.fullscreenElement, "The chrome should still be in fullscreen");
+
+  info("Send the second escape");
+  gMessageManager.removeMessageListener(
+    "Test:FullscreenChanged", captureUnexpectedFullscreenChange);
+  let fullscreenExitPromise = promiseOneMessage("Test:FullscreenChanged");
+  EventUtils.synthesizeKey("VK_ESCAPE", {});
+  state = yield fullscreenExitPromise;
+  ok(!state, "The content should have exited fullscreen");
+  ok(!document.fullscreenElement, "The chrome should have exited fullscreen");
+});