Add initial document sharing over peerJS connection

package.json

@@ -33,6 +33,8 @@
     "season": "0.10.0",
     "humanize-plus": "1.1.0",
     "semver": "1.1.4",
+    "guid": "0.0.10",
+    "telepath": "git://github.com/atom/telepath.git",
     "c-tmbundle": "1.0.0",
     "coffee-script-tmbundle": "2.0.0",
     "css-tmbundle": "1.0.0",

src/packages/collaboration/lib/collaboration.coffee

@@ -1,15 +1,51 @@
 Peer = require './peer'
+Guid = require 'guid'
+Prompt = require './prompt'
+{createSite, Document} = require 'telepath'
 
-createConnection = ->
-  peer = new Peer('some-id1', {host: 'ec2-54-218-51-127.us-west-2.compute.amazonaws.com', port: 8080})
+peerJsSettings =
+  host: 'ec2-54-218-51-127.us-west-2.compute.amazonaws.com'
+  port: 8080
+
+wireDocumentEvents = (connection, sharedDocument) ->
+  sharedDocument.outputEvents.on 'changed', (event) ->
+    console.log 'sending event', event
+    connection.send(event)
+
+  connection.on 'data', (event) ->
+    console.log 'receiving event', event
+    sharedDocument.handleInputEvent(event)
+
+startSession = ->
+  id = Guid.create().toString()
+  peer = new Peer(id, peerJsSettings)
+  sharedDocument = Document.fromObject(createSite(id), {a: 1, b: 2, c: 3})
+  window.doc = sharedDocument
   peer.on 'connection', (connection) ->
-    console.log 'connection'
-    connection.on 'data', (data) ->
-      console.log('Got data:', data)
+    connection.on 'open', ->
+      console.log 'sending document', sharedDocument.serialize()
+      connection.send(sharedDocument.serialize())
+      wireDocumentEvents(connection, sharedDocument)
+  id
+
+joinSession = (id) ->
+  siteId = Guid.create().toString()
+  peer = new Peer(siteId, peerJsSettings)
+  connection = peer.connect(id)
+  connection.on 'open', ->
+    console.log 'connection opened'
+    connection.once 'data', (data) ->
+      console.log 'received data', data
+      sharedDocument = Document.deserialize(createSite(siteId), data)
+      window.doc = sharedDocument
+      console.log 'received document', sharedDocument.toObject()
+      wireDocumentEvents(connection, sharedDocument)
 
 module.exports =
   activate: ->
-    createConnection()
-    peer = new Peer('some-id2', {host: 'ec2-54-218-51-127.us-west-2.compute.amazonaws.com', port: 8080})
-    c2 = peer.connect('some-id1')
-    c2.on 'open', -> c2.send('test?')
+    rootView.command 'collaboration:start-session', ->
+      pasteboard.write(startSession())
+
+    rootView.command 'collaboration:join-session', ->
+      new Prompt 'Enter a session id to join', (id) ->
+        joinSession(id)

src/packages/collaboration/lib/prompt.coffee

@@ -0,0 +1,33 @@
+{View} = require 'space-pen'
+Editor = require 'editor'
+$ = require 'jquery'
+Point = require 'point'
+_ = require 'underscore'
+
+module.exports =
+class Prompt extends View
+  @activate: -> new Prompt
+
+  @content: ({message}) ->
+    @div class: 'overlay from-top mini', =>
+      @subview 'miniEditor', new Editor(mini: true)
+      @div class: 'message', outlet: 'message', message
+
+  initialize: (message, @confirmed) ->
+    @miniEditor.on 'focusout', => @remove()
+    @on 'core:confirm', => @confirm()
+    @on 'core:cancel', => @remove()
+    @attach()
+
+  beforeRemove: ->
+    @previouslyFocusedElement?.focus()
+    @miniEditor.setText('')
+
+  confirm: ->
+    @confirmed(@miniEditor.getText())
+    @remove()
+
+  attach: ->
+    @previouslyFocusedElement = $(':focus')
+    rootView.append(this)
+    @miniEditor.focus()