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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/intersection-observer/resources/cross-origin-subframe.html
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/intersection-observer/resources/cross-origin-subframe.html')
-rw-r--r--testing/web-platform/tests/intersection-observer/resources/cross-origin-subframe.html171
1 files changed, 171 insertions, 0 deletions
diff --git a/testing/web-platform/tests/intersection-observer/resources/cross-origin-subframe.html b/testing/web-platform/tests/intersection-observer/resources/cross-origin-subframe.html
new file mode 100644
index 0000000000..1b34d7c7b7
--- /dev/null
+++ b/testing/web-platform/tests/intersection-observer/resources/cross-origin-subframe.html
@@ -0,0 +1,171 @@
+<!DOCTYPE html>
+<div style="height: 200px; width: 100px;"></div>
+<div id="target" style="background-color: green; width:100px; height:100px"></div>
+<div id="empty-target" style="width: 100px"></div>
+<div style="height: 200px; width: 100px;"></div>
+
+<script>
+var port;
+var entries = [];
+var target = document.getElementById("target");
+var emptyTarget = document.getElementById("empty-target");
+var scroller = document.scrollingElement;
+var nextStep;
+
+function clientRectToJson(rect) {
+ if (!rect)
+ return "null";
+ return {
+ top: rect.top,
+ right: rect.right,
+ bottom: rect.bottom,
+ left: rect.left
+ };
+}
+
+function entryToJson(entry) {
+ return {
+ boundingClientRect: clientRectToJson(entry.boundingClientRect),
+ intersectionRect: clientRectToJson(entry.intersectionRect),
+ rootBounds: clientRectToJson(entry.rootBounds),
+ isIntersecting: entry.isIntersecting,
+ target: entry.target === document.documentElement ? "html" : entry.target.id
+ };
+}
+
+function boundingClientRectToJson(element) {
+ let r = element.getBoundingClientRect();
+ return [r.left, r.right, r.top, r.bottom];
+}
+
+// Note that we never use RAF in this code, because this frame might get render-throttled.
+// Instead of RAF-ing, we just post an empty message to the parent window, which will
+// RAF when it is received, and then send us a message to cause the next step to run.
+
+// Use a rootMargin here, and verify it does NOT get applied for the cross-origin case.
+var observer = new IntersectionObserver(function(changes) {
+ entries = entries.concat(changes)
+}, { rootMargin: "7px" });
+observer.observe(target);
+observer.observe(emptyTarget);
+observer.observe(document.documentElement);
+
+function step0() {
+ entries = entries.concat(observer.takeRecords());
+ nextStep = step1;
+ var expected = [{
+ boundingClientRect: [8, 108, 208, 308],
+ intersectionRect: [0, 0, 0, 0],
+ rootBounds: "null",
+ isIntersecting: false,
+ target: target.id
+ }, {
+ boundingClientRect: [8, 108, 308, 308],
+ intersectionRect: [0, 0, 0, 0],
+ rootBounds: "null",
+ isIntersecting: false,
+ target: emptyTarget.id
+ }, {
+ boundingClientRect: boundingClientRectToJson(document.documentElement),
+ intersectionRect: [0, 0, 0, 0],
+ rootBounds: "null",
+ isIntersecting: false,
+ target: "html"
+ }];
+ port.postMessage({
+ actual: entries.map(entryToJson),
+ expected: expected,
+ description: "First rAF"
+ }, "*");
+ entries = [];
+ port.postMessage({scrollTo: 200}, "*");
+}
+
+function step1() {
+ entries = entries.concat(observer.takeRecords());
+ var client_rect = boundingClientRectToJson(document.documentElement);
+ // When the top document is scrolled all the way up, the iframe element is
+ // 108px below the scrolling viewport, and the iframe has a 2px border. When
+ // the top document is scrolled to y=200, the top 90px of the iframe's content
+ // is visible.
+ var expected = [{
+ boundingClientRect: client_rect,
+ intersectionRect: client_rect.slice(0, 3).concat(90),
+ rootBounds: "null",
+ isIntersecting: true,
+ target: "html"
+ }];
+ port.postMessage({
+ actual: entries.map(entryToJson),
+ expected: expected,
+ description: "topDocument.scrollingElement.scrollTop = 200"
+ }, "*");
+ entries = [];
+ scroller.scrollTop = 250;
+ nextStep = step2;
+ port.postMessage({}, "*");
+}
+
+function step2() {
+ entries = entries.concat(observer.takeRecords());
+ var expected = [{
+ boundingClientRect: [8, 108, -42, 58],
+ intersectionRect: [8, 108, 0, 58],
+ rootBounds: "null",
+ isIntersecting: true,
+ target: target.id
+ }, {
+ boundingClientRect: [8, 108, 58, 58],
+ intersectionRect: [8, 108, 58, 58],
+ rootBounds: "null",
+ isIntersecting: true,
+ target: emptyTarget.id
+ }];
+ port.postMessage({
+ actual: entries.map(entryToJson),
+ expected: expected,
+ description: "iframeDocument.scrollingElement.scrollTop = 250"
+ }, "*");
+ entries = [];
+ nextStep = step3;
+ port.postMessage({scrollTo: 100}, "*");
+}
+
+function step3() {
+ entries = entries.concat(observer.takeRecords());
+ var expected = [{
+ boundingClientRect: [8, 108, -42, 58],
+ intersectionRect: [0, 0, 0, 0],
+ rootBounds: "null",
+ isIntersecting: false,
+ target: target.id
+ }, {
+ boundingClientRect: [8, 108, 58, 58],
+ intersectionRect: [0, 0, 0, 0],
+ rootBounds: "null",
+ isIntersecting: false,
+ target: emptyTarget.id
+ }, {
+ boundingClientRect: boundingClientRectToJson(document.documentElement),
+ intersectionRect: [0, 0, 0, 0],
+ rootBounds: "null",
+ isIntersecting: false,
+ target: "html"
+ }];
+ port.postMessage({
+ actual: entries.map(entryToJson),
+ expected: expected,
+ description: "topDocument.scrollingElement.scrollTop = 100"
+ }, "*");
+ port.postMessage({DONE: 1}, "*");
+}
+
+function handleMessage(event)
+{
+ port = event.source;
+ nextStep();
+}
+
+nextStep = step0;
+window.addEventListener("message", handleMessage);
+</script>