Lazily loading FilePicker. Reducing number of web workers used on iPad to try to reduce memory pressure.

app/initialize.coffee

@@ -76,7 +76,7 @@ setUpMoment = ->
 
 initializeUtilityServices = ->
   services = [
-    './lib/services/filepicker'
+    #'./lib/services/filepicker'  # Not until needed
     './lib/services/segmentio'
   ]
 

app/lib/God.coffee

@@ -34,8 +34,15 @@ module.exports = class God extends CocoClass
       angels: []
       busyAngels: []  # Busy angels will automatically register here.
 
+    # Determine how many concurrent Angels/web workers to use at a time
     # ~20MB per idle worker + angel overhead - every Angel maps to 1 worker
-    angelCount = options.maxAngels ? 2  # How many concurrent Angels/web workers to use at a time
+    if options.maxAngels?
+      angelCount = options.maxAngels
+    else if window.application.isIPadApp
+      angelCount = 1
+    else
+      angelCount = 2
+
     # Don't generate all Angels at once.
     _.delay (=> new Angel @angelsShare unless @destroyed), 250 * i for i in [0 ... angelCount]
 

app/treema-ext.coffee

@@ -3,6 +3,9 @@ CocoCollection = require 'collections/CocoCollection'
 {me} = require('lib/auth')
 locale = require 'locale/locale'
 
+initializeFilePicker = ->
+  require('lib/services/filepicker')() unless window.application.isIPadApp
+
 class DateTimeTreema extends TreemaNode.nodeMap.string
   valueClass: 'treema-date-time'
   buildValueForDisplay: (el, data) -> el.text(moment(data).format('llll'))
@@ -20,6 +23,7 @@ class LiveEditingMarkup extends TreemaNode.nodeMap.ace
   constructor: ->
     super(arguments...)
     @workingSchema.aceMode = 'ace/mode/markdown'
+    initializeFilePicker()
 
   initEditor: (valEl) ->
     buttonRow = $('<div class="buttons"></div>')
@@ -79,6 +83,10 @@ class SoundFileTreema extends TreemaNode.nodeMap.string
   editable: false
   soundCollection: 'files'
 
+  constructor: ->
+    super arguments...
+    initializeFilePicker()
+
   onClick: (e) ->
     return if $(e.target).closest('.btn').length
     super(arguments...)
@@ -180,6 +188,10 @@ class ImageFileTreema extends TreemaNode.nodeMap.string
   valueClass: 'treema-image-file'
   editable: false
 
+  constructor: ->
+    super arguments...
+    initializeFilePicker()
+
   onClick: (e) ->
     return if $(e.target).closest('.btn').length
     super(arguments...)

app/views/admin/FilesView.coffee

@@ -12,6 +12,7 @@ module.exports = class FilesView extends RootView
 
   afterRender: ->
     super()
+    require('lib/services/filepicker')()  # Initialize if needed
     @loadFiles()
 
   onFileChosen: (InkBlob) =>

app/views/game-menu/OptionsView.coffee

@@ -35,6 +35,7 @@ module.exports = class OptionsView extends CocoView
     @onNameChange = _.debounce(@checkNameExists, 500)
     @on 'nameChanged', @onNameChange
     @playerName = me.get 'name'
+    require('lib/services/filepicker')() unless window.application.isIPadApp  # Initialize if needed
     super options
 
   getRenderData: (c={}) ->
@@ -107,6 +108,7 @@ module.exports = class OptionsView extends CocoView
         @playerName = newName
 
   onEditProfilePhoto: (e) ->
+    return if window.application.isIPadApp  # TODO: have an iPad-native way of uploading a photo, since we don't want to load FilePicker on iPad (memory)
     photoContainer = @$el.find('.profile-photo')
     onSaving = =>
       photoContainer.addClass('saving')

app/views/play/level/tome/SpellView.coffee

@@ -190,11 +190,11 @@ module.exports = class SpellView extends CocoView
       # TODO: Restrict to beginner campaign levels
       name: 'enter-skip-delimiters'
       bindKey: 'Enter|Return'
-      exec: => 
+      exec: =>
         if @aceSession.selection.isEmpty()
           cursor = @ace.getCursorPosition()
           line = @aceDoc.getLine(cursor.row)
-          if delimMatch = line.substring(cursor.column).match /^(["|']?\)+;?)/
+          if delimMatch = line.substring(cursor.column).match /^(["|']?\)+;?)/  # Yay for editors misreading regexes: "
             newRange = @ace.getSelectionRange()
             newRange.setStart newRange.start.row, newRange.start.column + delimMatch[1].length
             newRange.setEnd newRange.end.row, newRange.end.column + delimMatch[1].length

app/views/play/level/tome/TomeView.coffee

@@ -87,6 +87,7 @@ module.exports = class TomeView extends CocoView
 
   createWorker: ->
     return null unless Worker?
+    return null if window.application.isIPadApp  # Save memory!
     return new Worker('/javascripts/workers/aether_worker.js')
 
   generateTeamSpellMap: (spellObject) ->

app/views/user/JobProfileView.coffee

@@ -64,6 +64,7 @@ module.exports = class JobProfileView extends UserView
     window.contractCallback = =>
       @authorizedWithLinkedIn = IN?.User?.isAuthorized()
       @render()
+    require('lib/services/filepicker')()  # Initialize if needed
     super userID, options
 
   onLoaded: ->