| <!doctype html> |
| <meta charset=utf-8> |
| <title>Check how allowfullscreen affects fullscreen enabled flag</title> |
| <link rel="author" title="Xidorn Quan" href="https://www.upsuper.org"> |
| <link rel="author" title="Mozilla" href="https://www.mozilla.org"> |
| <link rel="help" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#initialise-the-document-object"> |
| <link rel="help" href="https://fullscreen.spec.whatwg.org/#fullscreen-enabled-flag"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <div id="log"></div> |
| <script> |
| // This returns a data URL (cross-origin with the containing document) which |
| // advances a counter, and reports the counter value together with the |
| // document's fullscreenEnabled state, every time it receives a postMessage. |
| function getSourceForCrossOriginPage(initial_count) { |
| var page_contents = "<html><body><script>var count="+initial_count+";window.addEventListener('message',function(){parent.postMessage({'count':count++,'fullscreenEnabled':document.fullscreenEnabled},'*');});</scr"+"ipt></body></html>"; |
| return "data:text/html;base64,"+btoa(page_contents); |
| } |
| |
| async_test(function(t) { |
| var iframe = document.createElement("iframe"); |
| iframe.src = "support/blank.htm"; |
| var eventWatcher = new EventWatcher(t, iframe, "load"); |
| document.body.appendChild(iframe); |
| t.add_cleanup(function() { |
| document.body.removeChild(iframe); |
| }); |
| |
| assert_true(document.fullscreenEnabled, "Top level document has fullscreen enabled flag set"); |
| eventWatcher.wait_for("load").then(t.step_func_done(function() { |
| assert_true(iframe.contentDocument.fullscreenEnabled, "Document inside same-origin iframe without allowfullscreen attribute should still have fullscreen enabled flag set"); |
| })); |
| }, "iframe-same-origin-allowfullscreen"); |
| |
| async_test(function(t) { |
| var iframe = document.createElement("iframe"); |
| iframe.src = getSourceForCrossOriginPage(0); |
| |
| iframe.addEventListener('load', function() { |
| // Request the fullscreenEnabled state whenever the frame loads |
| iframe.contentWindow.postMessage(true,"*"); |
| }); |
| |
| window.addEventListener('message', this.step_func(function(msg) { |
| if (msg.data.count == 0) { |
| assert_false(msg.data.fullscreenEnabled, "Document inside cross-origin iframe without allowfullscreen attribute should not have fullscreen enabled flag set"); |
| iframe.setAttribute("allowfullscreen", ""); |
| iframe.contentWindow.postMessage(true,"*"); // Request state again |
| } else if (msg.data.count == 1) { |
| assert_false(msg.data.fullscreenEnabled, "Fullscreen should be denied when allowfullscreen attribute is added, before reload"); |
| iframe.src = getSourceForCrossOriginPage(2); // Reload the frame |
| } else if (msg.data.count == 2) { |
| assert_true(msg.data.fullscreenEnabled, "Fullscreen should be allowed when allowfullscreen attribute is added, after reload"); |
| iframe.removeAttribute("allowfullscreen"); |
| iframe.contentWindow.postMessage(true,"*"); // Request state again |
| } else if (msg.data.count == 3) { |
| assert_true(msg.data.fullscreenEnabled, "Fullscreen should be allowed when allowfullscreen attribute is removed, before reload"); |
| iframe.src = getSourceForCrossOriginPage(4); // Reload the frame |
| } else if (msg.data.count == 4) { |
| assert_false(msg.data.fullscreenEnabled, "Fullscreen should be denied when allowfullscreen attribute is removed, after reload"); |
| t.done(); |
| } |
| })); |
| |
| document.body.appendChild(iframe); |
| t.add_cleanup(function() { |
| document.body.removeChild(iframe); |
| }); |
| }, "iframe-cross-origin-allowfullscreen"); |
| |
| /* Fullscreen enabled flag with about:blank */ |
| |
| function test_allowfullscreen_noload(setup_iframe, check) { |
| var iframe = document.createElement("iframe"); |
| setup_iframe(iframe); |
| document.body.appendChild(iframe); |
| check(iframe.contentDocument); |
| document.body.removeChild(iframe); |
| } |
| |
| test(function() { |
| test_allowfullscreen_noload(function() {}, function(doc) { |
| assert_true(doc.fullscreenEnabled, "Fullscreen should still be enabled in same-origin document without allowfullscreen attribute"); |
| }); |
| }, "iframe-noload-noallowfullscreen"); |
| |
| test(function() { |
| test_allowfullscreen_noload(function(iframe) { |
| iframe.setAttribute("allowfullscreen", true); |
| }, function(doc) { |
| assert_true(doc.fullscreenEnabled, "Fullscreen should be enabled with allowfullscreen attribute"); |
| }); |
| }, "iframe-noload-allowfullscreen"); |
| </script> |
