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Suppress error like TypeError: aEvent.target.getSelection is not a function

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This commit is contained in:
Piro / YUKI Hiroshi 2015-10-31 00:11:16 +09:00
parent d911e243c6
commit b11a175cbf
1 changed files with 2 additions and 1 deletions
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3
content/treestyletab/content-utils.js
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@ -41,7 +41,8 @@
switch (aEvent.type) switch (aEvent.type)
{ {
case 'selectionchange': case 'selectionchange':
if (!aEvent.target) if (!aEvent.target ||
!aEvent.target.getSelection)
return; return;
global.sendAsyncMessage(TreeStyleTabConstants.MESSAGE_TYPE, { global.sendAsyncMessage(TreeStyleTabConstants.MESSAGE_TYPE, {
command : TreeStyleTabConstants.COMMAND_REPORT_SELECTION_CHANGE, command : TreeStyleTabConstants.COMMAND_REPORT_SELECTION_CHANGE,