mirror of
https://github.com/wbbaddons/Tims-Chat.git
synced 2024-12-22 21:40:08 +00:00
46 lines
1.1 KiB
JavaScript
46 lines
1.1 KiB
JavaScript
/*
|
|
* Copyright (c) 2010-2021 Tim Düsterhus.
|
|
*
|
|
* Use of this software is governed by the Business Source License
|
|
* included in the LICENSE file.
|
|
*
|
|
* Change Date: 2025-03-05
|
|
*
|
|
* On the date above, in accordance with the Business Source
|
|
* License, use of this software will be governed by version 2
|
|
* or later of the General Public License.
|
|
*/
|
|
|
|
define(['./ToggleButton'], function (ToggleButton) {
|
|
'use strict'
|
|
|
|
const DEPENDENCIES = ['UiMessageStream'].concat(
|
|
ToggleButton.DEPENDENCIES || []
|
|
)
|
|
class AutoscrollButton extends ToggleButton {
|
|
constructor(element, messageStream, ...superDeps) {
|
|
super(element, true, undefined, ...superDeps)
|
|
|
|
this.messageStream = messageStream
|
|
|
|
this.messageStream.on('reachedBottom', this.enable.bind(this))
|
|
this.messageStream.on('scrollUp', this.disable.bind(this))
|
|
}
|
|
|
|
enable() {
|
|
super.enable()
|
|
|
|
this.messageStream.enableAutoscroll = true
|
|
}
|
|
|
|
disable() {
|
|
super.disable()
|
|
|
|
this.messageStream.enableAutoscroll = false
|
|
}
|
|
}
|
|
AutoscrollButton.DEPENDENCIES = DEPENDENCIES
|
|
|
|
return AutoscrollButton
|
|
})
|