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loleaflet: Don't try to paint if floating window has vanished

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Change-Id: I9284c7ec73f6f0e900d3efa2d055eb8b7d5303b2
Reviewed-on: https://gerrit.libreoffice.org/48620
Reviewed-by: Jan Holesovsky <kendy@collabora.com>
Tested-by: Jan Holesovsky <kendy@collabora.com>
(cherry picked from commit 3e4a78ccc3410b16fe6b34eea23720f551f53383)
Reviewed-on: https://gerrit.libreoffice.org/48814
Reviewed-by: pranavk <pranavk@collabora.co.uk>
Tested-by: pranavk <pranavk@collabora.co.uk>
This commit is contained in:
Pranav Kant 2018-01-25 20:02:32 +05:30 committed by pranavk
parent 1a4c8f8dd3
commit cb6c9461e0
1 changed files with 4 additions and 1 deletions
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5
loleaflet/src/control/Control.LokDialog.js
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@ -305,7 +305,10 @@ L.Control.LokDialog = L.Control.extend({
_paintDialogChild: function(dialogId, width, height, rectangle, imgData) {
var strDlgId = this._toDlgPrefix(dialogId);
var img = new Image();
var canvas = document.getElementById(strDlgId + '-floating');
var canvas = L.DomUtil.get(strDlgId + '-floating');
if (!canvas)
return; // no floating window to paint to
canvas.width = width;
canvas.height = height;
var ctx = canvas.getContext('2d');