summaryrefslogtreecommitdiffstats
path: root/dom/webidl/ResizeObserver.webidl
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--dom/webidl/ResizeObserver.webidl50
1 files changed, 50 insertions, 0 deletions
diff --git a/dom/webidl/ResizeObserver.webidl b/dom/webidl/ResizeObserver.webidl
new file mode 100644
index 0000000000..ba91751616
--- /dev/null
+++ b/dom/webidl/ResizeObserver.webidl
@@ -0,0 +1,50 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ *
+ * The origin of this IDL file is
+ * https://drafts.csswg.org/resize-observer/
+ */
+
+enum ResizeObserverBoxOptions {
+ "border-box",
+ "content-box",
+ "device-pixel-content-box"
+};
+
+dictionary ResizeObserverOptions {
+ ResizeObserverBoxOptions box = "content-box";
+};
+
+[Exposed=Window]
+interface ResizeObserver {
+ [Throws]
+ constructor(ResizeObserverCallback callback);
+
+ undefined observe(Element target, optional ResizeObserverOptions options = {});
+ undefined unobserve(Element target);
+ undefined disconnect();
+};
+
+callback ResizeObserverCallback = undefined (sequence<ResizeObserverEntry> entries, ResizeObserver observer);
+
+[Exposed=Window]
+interface ResizeObserverEntry {
+ readonly attribute Element target;
+ readonly attribute DOMRectReadOnly contentRect;
+ // We are using [Pure, Cached, Frozen] sequence until `FrozenArray` is implemented.
+ // See https://bugzilla.mozilla.org/show_bug.cgi?id=1236777 for more details.
+ [Frozen, Cached, Pure]
+ readonly attribute sequence<ResizeObserverSize> borderBoxSize;
+ [Frozen, Cached, Pure]
+ readonly attribute sequence<ResizeObserverSize> contentBoxSize;
+ [Frozen, Cached, Pure]
+ readonly attribute sequence<ResizeObserverSize> devicePixelContentBoxSize;
+};
+
+[Exposed=Window]
+interface ResizeObserverSize {
+ readonly attribute unrestricted double inlineSize;
+ readonly attribute unrestricted double blockSize;
+};