From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 accessible/tests/browser/states/browser.toml       |  22 +++
 .../tests/browser/states/browser_test_link.js      |  44 +++++
 .../states/browser_test_select_visibility.js       |  76 +++++++++
 .../browser/states/browser_test_visibility.js      | 181 +++++++++++++++++++++
 .../browser/states/browser_test_visibility_2.js    | 131 +++++++++++++++
 accessible/tests/browser/states/head.js            |  91 +++++++++++
 6 files changed, 545 insertions(+)
 create mode 100644 accessible/tests/browser/states/browser.toml
 create mode 100644 accessible/tests/browser/states/browser_test_link.js
 create mode 100644 accessible/tests/browser/states/browser_test_select_visibility.js
 create mode 100644 accessible/tests/browser/states/browser_test_visibility.js
 create mode 100644 accessible/tests/browser/states/browser_test_visibility_2.js
 create mode 100644 accessible/tests/browser/states/head.js

(limited to 'accessible/tests/browser/states')

diff --git a/accessible/tests/browser/states/browser.toml b/accessible/tests/browser/states/browser.toml
new file mode 100644
index 0000000000..fe29597d27
--- /dev/null
+++ b/accessible/tests/browser/states/browser.toml
@@ -0,0 +1,22 @@
+[DEFAULT]
+subsuite = "a11y"
+support-files = [
+  "head.js",
+  "!/accessible/tests/browser/shared-head.js",
+  "!/accessible/tests/mochitest/*.js",
+  "!/accessible/tests/browser/*.jsm",
+]
+prefs = ["javascript.options.asyncstack_capture_debuggee_only=false"]
+
+["browser_test_link.js"]
+https_first_disabled = true
+skip-if = ["verify"]
+
+["browser_test_select_visibility.js"]
+https_first_disabled = true
+
+["browser_test_visibility.js"]
+https_first_disabled = true
+
+["browser_test_visibility_2.js"]
+https_first_disabled = true
diff --git a/accessible/tests/browser/states/browser_test_link.js b/accessible/tests/browser/states/browser_test_link.js
new file mode 100644
index 0000000000..0a3e8a9975
--- /dev/null
+++ b/accessible/tests/browser/states/browser_test_link.js
@@ -0,0 +1,44 @@
+/* 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";
+
+async function runTests(browser, accDoc) {
+  let getAcc = id => findAccessibleChildByID(accDoc, id);
+
+  // a: no traversed state
+  testStates(getAcc("link_traversed"), 0, 0, STATE_TRAVERSED);
+
+  let onStateChanged = waitForEvent(EVENT_STATE_CHANGE, "link_traversed");
+  let newTabOpened = BrowserTestUtils.waitForNewTab(gBrowser);
+
+  await BrowserTestUtils.synthesizeMouse(
+    "#link_traversed",
+    1,
+    1,
+    { ctrlKey: !MAC, metaKey: MAC },
+    browser
+  );
+
+  await onStateChanged;
+  testStates(getAcc("link_traversed"), STATE_TRAVERSED);
+
+  let newTab = await newTabOpened;
+  gBrowser.removeTab(newTab);
+}
+
+/**
+ * Test caching of accessible object states
+ */
+addAccessibleTask(
+  // The URL doesn't really matter, just the fact that it isn't in the history
+  // initially. We append ms since epoch to the URL so it will never be visited
+  // initially, regardless of other tests (even this one) that ran before.
+  `
+  <a id="link_traversed"
+      href="https://www.example.com/${Date.now()}" target="_top">
+    example.com
+  </a>`,
+  runTests
+);
diff --git a/accessible/tests/browser/states/browser_test_select_visibility.js b/accessible/tests/browser/states/browser_test_select_visibility.js
new file mode 100644
index 0000000000..89b4df67f7
--- /dev/null
+++ b/accessible/tests/browser/states/browser_test_select_visibility.js
@@ -0,0 +1,76 @@
+/* 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";
+
+// test selects and options
+addAccessibleTask(
+  `<select id="select">
+    <option id="o1">hello</option>
+    <option id="o2">world</option>
+  </select>`,
+  async function (browser, accDoc) {
+    const select = findAccessibleChildByID(accDoc, "select");
+    ok(
+      isAccessible(select.firstChild, [nsIAccessibleSelectable]),
+      "No selectable accessible for combobox"
+    );
+    await untilCacheOk(
+      () => testVisibility(select, false, false),
+      "select should be on screen and visible"
+    );
+
+    if (!browser.isRemoteBrowser) {
+      await untilCacheOk(
+        () => testVisibility(select.firstChild, false, true),
+        "combobox list should be on screen and invisible"
+      );
+    } else {
+      // XXX: When the cache is used, states::INVISIBLE is
+      // incorrect. Test OFFSCREEN anyway.
+      await untilCacheOk(() => {
+        const [states] = getStates(select.firstChild);
+        return (states & STATE_OFFSCREEN) == 0;
+      }, "combobox list should be on screen");
+    }
+
+    const o1 = findAccessibleChildByID(accDoc, "o1");
+    const o2 = findAccessibleChildByID(accDoc, "o2");
+
+    await untilCacheOk(
+      () => testVisibility(o1, false, false),
+      "option one should be on screen and visible"
+    );
+    await untilCacheOk(
+      () => testVisibility(o2, true, false),
+      "option two should be off screen and visible"
+    );
+
+    // Select the second option (drop-down collapsed).
+    const p = waitForEvents({
+      expected: [
+        [EVENT_SELECTION, "o2"],
+        [EVENT_TEXT_VALUE_CHANGE, "select"],
+      ],
+      unexpected: [
+        stateChangeEventArgs("o2", EXT_STATE_ACTIVE, true, true),
+        stateChangeEventArgs("o1", EXT_STATE_ACTIVE, false, true),
+      ],
+    });
+    await invokeContentTask(browser, [], () => {
+      content.document.getElementById("select").selectedIndex = 1;
+    });
+    await p;
+
+    await untilCacheOk(() => {
+      const [states] = getStates(o1);
+      return (states & STATE_OFFSCREEN) != 0;
+    }, "option 1 should be off screen");
+    await untilCacheOk(() => {
+      const [states] = getStates(o2);
+      return (states & STATE_OFFSCREEN) == 0;
+    }, "option 2 should be on screen");
+  },
+  { chrome: true, iframe: true, remoteIframe: true }
+);
diff --git a/accessible/tests/browser/states/browser_test_visibility.js b/accessible/tests/browser/states/browser_test_visibility.js
new file mode 100644
index 0000000000..25bd903ed4
--- /dev/null
+++ b/accessible/tests/browser/states/browser_test_visibility.js
@@ -0,0 +1,181 @@
+/* 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";
+
+async function runTest(browser, accDoc) {
+  let getAcc = id => findAccessibleChildByID(accDoc, id);
+
+  await untilCacheOk(
+    () => testVisibility(getAcc("div"), false, false),
+    "Div should be on screen"
+  );
+
+  let input = getAcc("input_scrolledoff");
+  await untilCacheOk(
+    () => testVisibility(input, true, false),
+    "Input should be offscreen"
+  );
+
+  // scrolled off item (twice)
+  let lastLi = getAcc("li_last");
+  await untilCacheOk(
+    () => testVisibility(lastLi, true, false),
+    "Last list item should be offscreen"
+  );
+
+  // scroll into view the item
+  await invokeContentTask(browser, [], () => {
+    content.document.getElementById("li_last").scrollIntoView(true);
+  });
+  await untilCacheOk(
+    () => testVisibility(lastLi, false, false),
+    "Last list item should no longer be offscreen"
+  );
+
+  // first item is scrolled off now (testcase for bug 768786)
+  let firstLi = getAcc("li_first");
+  await untilCacheOk(
+    () => testVisibility(firstLi, true, false),
+    "First listitem should now be offscreen"
+  );
+
+  await untilCacheOk(
+    () => testVisibility(getAcc("frame"), false, false),
+    "iframe should initially be onscreen"
+  );
+
+  let loaded = waitForEvent(EVENT_DOCUMENT_LOAD_COMPLETE, "iframeDoc");
+  await invokeContentTask(browser, [], () => {
+    content.document.querySelector("iframe").src =
+      'data:text/html,<body id="iframeDoc"><p id="p">hi</p></body>';
+  });
+
+  const iframeDoc = (await loaded).accessible;
+  await untilCacheOk(
+    () => testVisibility(getAcc("frame"), false, false),
+    "iframe outer doc should now be on screen"
+  );
+  await untilCacheOk(
+    () => testVisibility(iframeDoc, false, false),
+    "iframe inner doc should be on screen"
+  );
+  const iframeP = findAccessibleChildByID(iframeDoc, "p");
+  await untilCacheOk(
+    () => testVisibility(iframeP, false, false),
+    "iframe content should also be on screen"
+  );
+
+  // scroll into view the div
+  await invokeContentTask(browser, [], () => {
+    content.document.getElementById("div").scrollIntoView(true);
+  });
+
+  await untilCacheOk(
+    () => testVisibility(getAcc("frame"), true, false),
+    "iframe outer doc should now be off screen"
+  );
+  await untilCacheOk(
+    () => testVisibility(iframeDoc, true, false),
+    "iframe inner doc should now be off screen"
+  );
+  await untilCacheOk(
+    () => testVisibility(iframeP, true, false),
+    "iframe content should now be off screen"
+  );
+
+  let newTab = await BrowserTestUtils.openNewForegroundTab(gBrowser);
+  // Accessibles in background tab should have offscreen state and no
+  // invisible state.
+  await untilCacheOk(
+    () => testVisibility(getAcc("div"), true, false),
+    "Accs in background tab should be offscreen but not invisible."
+  );
+
+  await untilCacheOk(
+    () => testVisibility(getAcc("frame"), true, false),
+    "iframe outer doc should still be off screen"
+  );
+  await untilCacheOk(
+    () => testVisibility(iframeDoc, true, false),
+    "iframe inner doc should still be off screen"
+  );
+  await untilCacheOk(
+    () => testVisibility(iframeP, true, false),
+    "iframe content should still be off screen"
+  );
+
+  BrowserTestUtils.removeTab(newTab);
+}
+
+addAccessibleTask(
+  `
+  <div id="div" style="border:2px solid blue; width: 500px; height: 110vh;"></div>
+  <input id="input_scrolledoff">
+  <ul style="border:2px solid red; width: 100px; height: 50px; overflow: auto;">
+    <li id="li_first">item1</li><li>item2</li><li>item3</li>
+    <li>item4</li><li>item5</li><li id="li_last">item6</li>
+  </ul>
+  <iframe id="frame"></iframe>
+  `,
+  runTest,
+  { iframe: true, remoteIframe: true }
+);
+
+/**
+ * Test div containers are reported as onscreen, even if some of their contents are
+ * offscreen.
+ */
+addAccessibleTask(
+  `
+  <div id="outer" style="width:200vw; background: green; overflow:scroll;"><div id="inner"><div style="display:inline-block; width:100vw; background:red;" id="on">on screen</div><div style="background:blue; display:inline;" id="off">offscreen</div></div></div>
+  `,
+  async function (browser, accDoc) {
+    const outer = findAccessibleChildByID(accDoc, "outer");
+    const inner = findAccessibleChildByID(accDoc, "inner");
+    const on = findAccessibleChildByID(accDoc, "on");
+    const off = findAccessibleChildByID(accDoc, "off");
+
+    await untilCacheOk(
+      () => testVisibility(outer, false, false),
+      "outer should be on screen and visible"
+    );
+    await untilCacheOk(
+      () => testVisibility(inner, false, false),
+      "inner should be on screen and visible"
+    );
+    await untilCacheOk(
+      () => testVisibility(on, false, false),
+      "on should be on screen and visible"
+    );
+    await untilCacheOk(
+      () => testVisibility(off, true, false),
+      "off should be off screen and visible"
+    );
+  },
+  { chrome: true, iframe: true, remoteIframe: true }
+);
+
+// test dynamic translation
+addAccessibleTask(
+  `<div id="container" style="position: absolute; left: -300px; top: 100px;">Hello</div><button id="b" onclick="container.style.transform = 'translateX(400px)'">Move</button>`,
+  async function (browser, accDoc) {
+    const container = findAccessibleChildByID(accDoc, "container");
+    await untilCacheOk(
+      () => testVisibility(container, true, false),
+      "container should be off screen and visible"
+    );
+    await invokeContentTask(browser, [], () => {
+      let b = content.document.getElementById("b");
+      b.click();
+    });
+
+    await waitForContentPaint(browser);
+    await untilCacheOk(
+      () => testVisibility(container, false, false),
+      "container should be on screen and visible"
+    );
+  },
+  { chrome: true, iframe: true, remoteIframe: true }
+);
diff --git a/accessible/tests/browser/states/browser_test_visibility_2.js b/accessible/tests/browser/states/browser_test_visibility_2.js
new file mode 100644
index 0000000000..ead134069a
--- /dev/null
+++ b/accessible/tests/browser/states/browser_test_visibility_2.js
@@ -0,0 +1,131 @@
+/* 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";
+
+/**
+ * Test tables, table rows are reported on screen, even if some cells of a given row are
+ * offscreen.
+ */
+addAccessibleTask(
+  `
+  <table id="table" style="width:150vw;" border><tr id="row"><td id="one" style="width:50vw;">one</td><td style="width:50vw;" id="two">two</td><td id="three">three</td></tr></table>
+  `,
+  async function (browser, accDoc) {
+    const table = findAccessibleChildByID(accDoc, "table");
+    const row = findAccessibleChildByID(accDoc, "row");
+    const one = findAccessibleChildByID(accDoc, "one");
+    const two = findAccessibleChildByID(accDoc, "two");
+    const three = findAccessibleChildByID(accDoc, "three");
+
+    await untilCacheOk(
+      () => testVisibility(table, false, false),
+      "table should be on screen and visible"
+    );
+    await untilCacheOk(
+      () => testVisibility(row, false, false),
+      "row should be on screen and visible"
+    );
+    await untilCacheOk(
+      () => testVisibility(one, false, false),
+      "one should be on screen and visible"
+    );
+    await untilCacheOk(
+      () => testVisibility(two, false, false),
+      "two should be on screen and visible"
+    );
+    await untilCacheOk(
+      () => testVisibility(three, true, false),
+      "three should be off screen and visible"
+    );
+  },
+  { chrome: true, iframe: true, remoteIframe: true }
+);
+
+/**
+ * Test rows and cells outside of the viewport are reported as offscreen.
+ */
+addAccessibleTask(
+  `
+  <table id="table" style="height:150vh;" border><tr style="height:100vh;" id="rowA"><td id="one">one</td></tr><tr id="rowB"><td id="two">two</td></tr></table>
+  `,
+  async function (browser, accDoc) {
+    const table = findAccessibleChildByID(accDoc, "table");
+    const rowA = findAccessibleChildByID(accDoc, "rowA");
+    const one = findAccessibleChildByID(accDoc, "one");
+    const rowB = findAccessibleChildByID(accDoc, "rowB");
+    const two = findAccessibleChildByID(accDoc, "two");
+
+    await untilCacheOk(
+      () => testVisibility(table, false, false),
+      "table should be on screen and visible"
+    );
+    await untilCacheOk(
+      () => testVisibility(rowA, false, false),
+      "rowA should be on screen and visible"
+    );
+    await untilCacheOk(
+      () => testVisibility(one, false, false),
+      "one should be on screen and visible"
+    );
+    await untilCacheOk(
+      () => testVisibility(rowB, true, false),
+      "rowB should be off screen and visible"
+    );
+    await untilCacheOk(
+      () => testVisibility(two, true, false),
+      "two should be off screen and visible"
+    );
+  },
+  { chrome: true, iframe: true, remoteIframe: true }
+);
+
+addAccessibleTask(
+  `
+  <div id="div">hello</div>
+  `,
+  async function (browser, accDoc) {
+    let textLeaf = findAccessibleChildByID(accDoc, "div").firstChild;
+    await untilCacheOk(
+      () => testVisibility(textLeaf, false, false),
+      "text should be on screen and visible"
+    );
+    let p = waitForEvent(EVENT_TEXT_INSERTED, "div");
+    await invokeContentTask(browser, [], () => {
+      content.document.getElementById("div").textContent = "goodbye";
+    });
+    await p;
+    textLeaf = findAccessibleChildByID(accDoc, "div").firstChild;
+    await untilCacheOk(
+      () => testVisibility(textLeaf, false, false),
+      "text should be on screen and visible"
+    );
+  },
+  { chrome: true, iframe: true, remoteIframe: true }
+);
+
+/**
+ * Overlapping, opaque divs with the same bounds should not be considered
+ * offscreen.
+ */
+addAccessibleTask(
+  `
+  <style>div { height: 5px; width: 5px; background: green; }</style>
+  <div id="outer" role="group"><div style="background:blue;" id="inner" role="group">hi</div></div>
+  `,
+  async function (browser, accDoc) {
+    const outer = findAccessibleChildByID(accDoc, "outer");
+    const inner = findAccessibleChildByID(accDoc, "inner");
+
+    await untilCacheOk(
+      () => testVisibility(outer, false, false),
+      "outer should be on screen and visible"
+    );
+    await untilCacheOk(
+      () => testVisibility(inner, false, false),
+      "inner should be on screen and visible"
+    );
+  },
+  { chrome: true, iframe: true, remoteIframe: true }
+);
diff --git a/accessible/tests/browser/states/head.js b/accessible/tests/browser/states/head.js
new file mode 100644
index 0000000000..10c616cb80
--- /dev/null
+++ b/accessible/tests/browser/states/head.js
@@ -0,0 +1,91 @@
+/* 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";
+
+/* exported waitForIFrameA11yReady, waitForIFrameUpdates, spawnTestStates, testVisibility */
+
+// Load the shared-head file first.
+Services.scriptloader.loadSubScript(
+  "chrome://mochitests/content/browser/accessible/tests/browser/shared-head.js",
+  this
+);
+
+// Loading and common.js from accessible/tests/mochitest/ for all tests, as
+// well as promisified-events.js.
+/* import-globals-from ../../mochitest/states.js */
+/* import-globals-from ../../mochitest/role.js */
+loadScripts(
+  { name: "common.js", dir: MOCHITESTS_DIR },
+  { name: "promisified-events.js", dir: MOCHITESTS_DIR },
+  { name: "role.js", dir: MOCHITESTS_DIR },
+  { name: "states.js", dir: MOCHITESTS_DIR }
+);
+
+// This is another version of addA11yLoadEvent for fission.
+async function waitForIFrameA11yReady(iFrameBrowsingContext) {
+  await SimpleTest.promiseFocus(window);
+
+  await SpecialPowers.spawn(iFrameBrowsingContext, [], () => {
+    return new Promise(resolve => {
+      function waitForDocLoad() {
+        SpecialPowers.executeSoon(() => {
+          const acc = SpecialPowers.Cc[
+            "@mozilla.org/accessibilityService;1"
+          ].getService(SpecialPowers.Ci.nsIAccessibilityService);
+
+          const accDoc = acc.getAccessibleFor(content.document);
+          let state = {};
+          accDoc.getState(state, {});
+          if (state.value & SpecialPowers.Ci.nsIAccessibleStates.STATE_BUSY) {
+            SpecialPowers.executeSoon(waitForDocLoad);
+            return;
+          }
+          resolve();
+        }, 0);
+      }
+      waitForDocLoad();
+    });
+  });
+}
+
+// A utility function to make sure the information of scroll position or visible
+// area changes reach to out-of-process iframes.
+async function waitForIFrameUpdates() {
+  // Wait for two frames since the information is notified via asynchronous IPC
+  // calls.
+  await new Promise(resolve => requestAnimationFrame(resolve));
+  await new Promise(resolve => requestAnimationFrame(resolve));
+}
+
+// A utility function to test the state of |elementId| element in out-of-process
+// |browsingContext|.
+async function spawnTestStates(browsingContext, elementId, expectedStates) {
+  function testStates(id, expected, unexpected) {
+    const acc = SpecialPowers.Cc[
+      "@mozilla.org/accessibilityService;1"
+    ].getService(SpecialPowers.Ci.nsIAccessibilityService);
+    const target = content.document.getElementById(id);
+    let state = {};
+    acc.getAccessibleFor(target).getState(state, {});
+    if (expected === 0) {
+      Assert.equal(state.value, expected);
+    } else {
+      Assert.ok(state.value & expected);
+    }
+    Assert.ok(!(state.value & unexpected));
+  }
+  await SpecialPowers.spawn(
+    browsingContext,
+    [elementId, expectedStates],
+    testStates
+  );
+}
+
+function testVisibility(acc, shouldBeOffscreen, shouldBeInvisible) {
+  const [states] = getStates(acc);
+  let looksGood = shouldBeOffscreen == ((states & STATE_OFFSCREEN) != 0);
+  looksGood &= shouldBeInvisible == ((states & STATE_INVISIBLE) != 0);
+  return looksGood;
+}
-- 
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