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class PassKeysMode extends Mode
keyQueue: ""
passKeys: ""
# Decide whether this keyChar should be passed to the underlying page. Keystrokes are *never* considered
# passKeys if the keyQueue is not empty. So, for example, if 't' is a passKey, then 'gt' and '99t' will
# neverthless be handled by vimium.
isPassKey: (keyChar) ->
not @keyQueue and 0 <= @passKeys.indexOf(keyChar)
handlePassKeyEvent: (event) ->
for keyChar in [KeyboardUtils.getKeyChar(event), String.fromCharCode(event.charCode)]
# A key is passed through to the underlying page by returning handlerStack.passDirectlyToPage.
return handlerStack.passDirectlyToPage if keyChar and @isPassKey keyChar
Mode.propagate
# This is called to set the pass-keys state with various types of request from various sources, so we handle
# all of these.
# TODO(smblott) Rationalize this.
setState: (request) ->
if request.isEnabledForUrl?
@passKeys = (request.isEnabledForUrl and request.passKeys) or ""
if request.enabled?
@passKeys = (request.enabled and request.passKeys) or ""
if request.keyQueue?
@keyQueue = request.keyQueue
Mode.updateBadge()
constructor: ->
super
name: "passkeys"
keydown: (event) => @handlePassKeyEvent event
keypress: (event) => @handlePassKeyEvent event
keyup: -> Mode.propagate
# Overriding and re-using updateBadgeForMode() from Mode.updateBadgeForMode().
updateBadgeForMode: (badge) ->
@badge = if @passKeys and not @keyQueue then "P" else ""
super badge
root = exports ? window
root.PassKeysMode = PassKeysMode
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