From 926b5ac98449764599ff80d99546f8d1f1c438fe Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Wed, 26 Jun 2019 11:01:04 +0200
Subject: behavior: screenshot: Extend viewport for fixed elements

Fixes #14, but needs a test case.
---
 crocoite/data/screenshot.js | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 crocoite/data/screenshot.js

(limited to 'crocoite/data/screenshot.js')

diff --git a/crocoite/data/screenshot.js b/crocoite/data/screenshot.js
new file mode 100644
index 0000000..a9a41e1
--- /dev/null
+++ b/crocoite/data/screenshot.js
@@ -0,0 +1,20 @@
+/* Find and scrollable full-screen elements and return their actual size
+ */
+(function () {
+/* limit the number of elements queried */
+let elem = document.querySelectorAll ('body > div');
+let ret = [];
+for (let i = 0; i < elem.length; i++) {
+	let e = elem[i];
+	let s = window.getComputedStyle (e);
+	if (s.getPropertyValue ('position') == 'fixed' &&
+			s.getPropertyValue ('overflow') == 'auto' &&
+			s.getPropertyValue ('left') == '0px' &&
+			s.getPropertyValue ('right') == '0px' &&
+			s.getPropertyValue ('top') == '0px' &&
+			s.getPropertyValue ('bottom') == '0px') {
+		ret.push (e.scrollHeight);
+	}
+}
+return ret; /* immediately return results, for use with Runtime.evaluate() */
+})();
-- 
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