diff options
Diffstat (limited to 'content_scripts/mode.coffee')
| -rw-r--r-- | content_scripts/mode.coffee | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/content_scripts/mode.coffee b/content_scripts/mode.coffee index f631b4cd..ffabc111 100644 --- a/content_scripts/mode.coffee +++ b/content_scripts/mode.coffee @@ -47,6 +47,13 @@ class Mode @id = "#{@name}-#{@count}" @log "activate:", @id + # If options.suppressAllKeyboardEvents is truthy, then all keyboard events are suppressed. This avoids + # the need for modes which suppress all keyboard events 1) to provide handlers for all of those events, + # or 2) to worry about event suppression and event-handler return values. + if @options.suppressAllKeyboardEvents + for type in [ "keydown", "keypress", "keyup" ] + @options[type] = @alwaysSuppressEvent @options[type] + @push keydown: @options.keydown || null keypress: @options.keypress || null @@ -171,6 +178,13 @@ class Mode # case), because they do not need to be concerned with the value they yield. alwaysContinueBubbling: handlerStack.alwaysContinueBubbling + # Shorthand for an event handler which always suppresses event propagation. + alwaysSuppressEvent: (handler = null) -> + (event) => + handler? event + DomUtils.suppressPropagation event + @stopBubblingAndFalse + # Activate a new instance of this mode, together with all of its original options (except its main # keybaord-event handlers; these will be recreated). cloneMode: -> |