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###
ownCloud - News
@author Bernhard Posselt
@copyright 2012 Bernhard Posselt nukeawhale@gmail.com
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
License as published by the Free Software Foundation; either
version 3 of the License, or any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU AFFERO GENERAL PUBLIC LICENSE for more details.
You should have received a copy of the GNU Affero General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>.
###
scrolling = true
markingRead = true
angular.module('News').directive 'scrollMarksRead', ['$rootScope', 'Config',
($rootScope, Config) ->
return (scope, elm, attr) ->
elm.bind 'scroll', ->
# prevent from doing to many scroll actions
# the first timeout prevents accidental and too early marking as read
if scrolling
scrolling = false
setTimeout ->
scrolling = true
, Config.ScrollTimeout
if markingRead
markingRead = false
setTimeout ->
markingRead = true
# only broadcast elements that are not already read
# and that are beyond the top border
$elems = elm.find('.feed_item:not(.read)')
for feedItem in $elems
offset = $(feedItem).position().top
if offset <= -50
data =
id: parseInt($(feedItem).data('id'), 10)
feed: parseInt($(feedItem).data('feed'), 10)
$rootScope.$broadcast 'readItem', data
else
break
, Config.MarkReadTimeout
scope.$apply attr.scrollMarksRead
]
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