Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 109 insertions, 0 deletions

diff --git a/testing/web-platform/tests/css/css-position/resources/sticky-util.js b/testing/web-platform/tests/css/css-position/resources/sticky-util.js
new file mode 100644
index 0000000000..074c25c81f
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/resources/sticky-util.js
@@ -0,0 +1,109 @@
+/**
+ * Builds a generic structure that looks like:
+ *
+ * <div class="scroller">  // 100x200 viewport
+ *   <div class="contents">  // 100x500
+ *     <div class="prepadding"></div> // 100x100
+ *     <div class="container">  // 300x300 containing block
+ *       <div class="filler"></div>  // 100x100
+ *       <div class="sticky box"></div>  // 100x100
+ *     </div>
+ *   </div>
+ * </div>
+ *
+ * If the sticky direction is 'left' or 'right', the necessary blocks will be
+ * marked as inline-block and the dimensions above are flipped.
+ *
+ * Returns an 'elements' object which has each of the above elements as an
+ * accessible property.
+ */
+function setupStickyTest(stickyDirection, stickyOffset) {
+  const elements = {};
+  const inline = stickyDirection === 'left' || stickyDirection === 'right';
+
+  elements.scroller = document.createElement('div');
+  elements.scroller.style.position = 'relative';
+  elements.scroller.style.width = (inline ? '200px' : '100px');
+  elements.scroller.style.height = (inline ? '100px' : '200px');
+
+  // 'hidden' is used here instead of 'scroll' because this prevents
+  // scrollbars from affecting the size and offset of sticky items.
+  elements.scroller.style.overflow = 'hidden';
+
+  elements.contents = document.createElement('div');
+  elements.contents.style.height = (inline ? '100%' : '500px');
+  elements.contents.style.width = (inline ? '500px' : '100%');
+
+  elements.prepadding = document.createElement('div');
+  elements.prepadding.style.height = (inline ? '100%' : '100px');
+  elements.prepadding.style.width = (inline ? '100px' : '100%');
+  if (inline)
+    elements.prepadding.style.display = 'inline-block';
+
+  elements.container = document.createElement('div');
+  elements.container.style.height = (inline ? '100%' : '300px');
+  elements.container.style.width = (inline ? '300px' : '100%');
+  if (inline)
+    elements.container.style.display = 'inline-block';
+
+  elements.filler = document.createElement('div');
+  elements.filler.style.height = (inline ? '100%' : '100px');
+  elements.filler.style.width = (inline ? '100px' : '100%');
+  if (inline)
+    elements.filler.style.display = 'inline-block';
+
+  elements.sticky = document.createElement('div');
+  elements.sticky.style = `${stickyDirection}: ${stickyOffset}px;`;
+  elements.sticky.style.position = 'sticky';
+  elements.sticky.style.height = (inline ? '100%' : '100px');
+  elements.sticky.style.width = (inline ? '100px' : '100%');
+  elements.sticky.style.backgroundColor = 'green';
+  if (inline)
+    elements.sticky.style.display = 'inline-block';
+
+  elements.scroller.appendChild(elements.contents);
+  elements.contents.appendChild(elements.prepadding);
+  elements.contents.appendChild(elements.container);
+  elements.container.appendChild(elements.filler);
+  elements.container.appendChild(elements.sticky);
+
+  document.body.appendChild(elements.scroller);
+
+  return elements;
+}
+
+/**
+ * Similar to above, but nests a second sticky (named innerSticky) inside the
+ * sticky element.
+ *
+ * In the 'bottom' and 'right' cases, we also inject some padding before the
+ * innerSticky element, to give it something to push into. This inner padding is
+ * not exposed.
+ */
+function setupNestedStickyTest(stickyDirection, outerStickyOffset,
+    innerStickyOffset) {
+  const elements = setupStickyTest(stickyDirection, outerStickyOffset);
+
+  const inline = stickyDirection === 'left' || stickyDirection === 'right';
+  if (stickyDirection === 'bottom' || stickyDirection === 'right') {
+    const innerPadding = document.createElement('div');
+    innerPadding.style.height = (inline ? '100%' : '50px');
+    innerPadding.style.width = (inline ? '50px' : '100%');
+    if (inline)
+      innerPadding.style.display = 'inline-block';
+    elements.sticky.appendChild(innerPadding);
+  }
+
+  elements.innerSticky = document.createElement('div');
+  elements.innerSticky.style = `${stickyDirection}: ${innerStickyOffset}px;`;
+  elements.innerSticky.style.position = 'sticky';
+  elements.innerSticky.style.height = (inline ? '100%' : '50px');
+  elements.innerSticky.style.width = (inline ? '50px' : '100%');
+  elements.innerSticky.style.backgroundColor = 'blue';
+  if (inline)
+    elements.innerSticky.style.display = 'inline-block';
+
+  elements.sticky.appendChild(elements.innerSticky);
+
+  return elements;
+}