From 9ae4b6c10d53153929d905f28bc7de57c0ba6dfe Mon Sep 17 00:00:00 2001
From: Stephen Blott
Date: Sun, 4 Jan 2015 09:29:36 +0000
Subject: Modes; various improvements.

- Add StateMode.
- PasskeysMode is a StateMode.
- BadgeUpdateMode is a StateMode.
- Improve badge handling.
- Add push method to Mode.
- Document how modes work.
- Cache badge on background page to reduce the number of updates.
- Remove badge restriction on document.body?.tagName.toLowerCase() == "frameset".
- Add ExitOnEscape mode, use it for ConstrainedMode and FindMode.
- Move PostFindMode to its own file.
---
 lib/dom_utils.coffee | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'lib')

diff --git a/lib/dom_utils.coffee b/lib/dom_utils.coffee
index ba5e279f..ec846e44 100644
--- a/lib/dom_utils.coffee
+++ b/lib/dom_utils.coffee
@@ -141,6 +141,13 @@ DomUtils =
     (element.nodeName.toLowerCase() == "input" && unselectableTypes.indexOf(element.type) == -1) ||
         element.nodeName.toLowerCase() == "textarea"
 
+  isDOMDescendant: (parent, child) ->
+    node = child
+    while (node != null)
+      return true if (node == parent)
+      node = node.parentNode
+    false
+
   simulateSelect: (element) ->
     element.focus()
     # When focusing a textbox, put the selection caret at the end of the textbox's contents.
-- 
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