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@eldog eldog/oauth.coffee
Created Jan 11, 2014

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Oauth monkey patch to get meteor oauth accounts to work in a cordova app
Meteor.startup ->
Package.oauth.Oauth.initiateLogin = initiateLogin
getHostnameFromUrl = (url) ->
aEl = document.createElement 'a'
aEl.href = url
aEl.hostname
initiateLogin = (credentialToken,
url,
credentialRequestCompleteCallback,
dimensions) ->
# Default dimensions that worked well for Facebook and Google
width = (dimensions and dimensions.width) or 650
height = (dimensions and dimensions.height) or 331
popup = openCenteredPopup url, width, height
# Cordova only tests for when the popup is closed, relies on the
# InAppBrowser plugin being installed in cordova.
if cordova?
popup.addEventListener 'loadstop', (e) ->
url = e.url
eventHostname = getHostnameFromUrl(url)
meteorHostname = getHostnameFromUrl(Meteor.absoluteUrl())
if eventHostname == meteorHostname
popup.close()
credentialRequestCompleteCallback credentialToken
else
checkPopupOpen = setInterval ->
try
# Fix for #328 - added a second test criteria (popup.closed === undefined)
# to humour this Android quirk:
# http://code.google.com/p/android/issues/detail?id=21061
popupClosed = popup.closed or _.isUndefined popup.closed
catch e
# For some unknown reason, IE9 (and others?) sometimes (when
# the popup closes too quickly?) throws "SCRIPT16386: No such
# interface supported" when trying to read 'popup.closed'. Try
# again in 100ms.
return
if popupClosed
clearInterval checkPopupOpen
credentialRequestCompleteCallback credentialToken
, 100
openCenteredPopup = (url, width, height) ->
screenX = window.screenX
screenX = window.screenLeft unless screenX?
screenY = window.screenY
screenY = window.screenTop unless screenY?
outerWidth = window.outerWidth
outerWidth = document.body.clientWidth unless outerWidth?
outerHeight = window.outerHeight
# XXX: What's the 22?
outerHeight = (document.body.clientHeight - 22) unless outerHeight?
# Use `outerWidth - width` and `outerHeight - height` for help in
# positioning the popup centered relative to the current window
left = screenX + (outerWidth - width) / 2
top = screenY + (outerHeight - height) / 2
features = """
width=#{width},height=#{height},left=#{left},top=#{top},scrollbars=yes
"""
popup = window.open url, '_blank', 'location=no'
popup.focus() if popup.focus?
popup
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