snowflake/proxy/ui.coffee
Arlo Breault e295556254 Standalone snowflake
* Start of #30
2016-12-20 10:36:42 -08:00

62 lines
1.6 KiB
CoffeeScript

###
All of Snowflake's DOM manipulation and inputs.
###
class UI
debug: false # True when there's no badge
# DOM elements references.
$msglog: null
$send: null
$input: null
$status: null
constructor: ->
@$badge = document.getElementById('badge')
@debug = null == @$badge
return if !@debug
# Setup other DOM handlers if it's debug mode.
@$status = document.getElementById('status')
@$msglog = document.getElementById('msglog')
@$msglog.value = ''
@$send = document.getElementById('send')
@$send.onclick = @acceptInput
@$input = document.getElementById('input')
@$input.focus()
@$input.onkeydown = (e) =>
@$send.onclick() if 13 == e.keyCode # enter
# Status bar
setStatus: (msg) =>
return if !@debug
@$status.innerHTML = 'Status: ' + msg
setActive: (connected) =>
if @debug
@$msglog.className = if connected then 'active' else ''
else
@$badge.className = if connected then 'active' else ''
# Local input from keyboard into message window.
acceptInput: =>
msg = @$input.value
if !COPY_PASTE_ENABLED
@log 'No input expected - Copy Paste Signalling disabled.'
else switch snowflake.state
when MODE.WEBRTC_CONNECTING
Signalling.receive msg
when MODE.WEBRTC_READY
@log 'No input expected - WebRTC connected.'
else
@log 'ERROR: ' + msg
@$input.value = ''
@$input.focus()
log: (msg) =>
return if !@debug
# Scroll to latest
@$msglog.value += msg + '\n'
@$msglog.scrollTop = @$msglog.scrollHeight