1 files changed, 21 insertions, 0 deletions
diff --git a/dom/webidl/ImageDocument.webidl b/dom/webidl/ImageDocument.webidl
new file mode 100644
index 0000000000..e81af7da7b
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+++ b/dom/webidl/ImageDocument.webidl
@@ -0,0 +1,21 @@
+/* -*- 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/.
+ */
+
+[ChromeOnly, LegacyOverrideBuiltIns,
+ Exposed=Window]
+interface ImageDocument : HTMLDocument {
+  /* Whether the image is overflowing visible area. */
+  readonly attribute boolean imageIsOverflowing;
+
+  /* Whether the image has been resized to fit visible area. */
+  readonly attribute boolean imageIsResized;
+
+  /* Resize the image to fit visible area. */
+  undefined shrinkToFit();
+
+  /* Restore image original size. */
+  undefined restoreImage();
+};