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require 'notiffany/notifier/base'
require 'shellany/sheller'
require 'notiffany/notifier/emacs/client'
module Notiffany
class Notifier
# Send a notification to Emacs with emacsclient
# (http://www.emacswiki.org/emacs/EmacsClient).
#
class Emacs < Base
DEFAULTS = {
client: 'emacsclient',
success: 'ForestGreen',
failed: 'Firebrick',
default: 'Black',
fontcolor: 'White'
}.freeze
DEFAULT_ELISP_ERB = <<EOF.freeze
(set-face-attribute 'mode-line nil
:background "<%= bgcolor %>"
:foreground "<%= color %>")
EOF
private
def _gem_name
nil
end
def _check_available(options)
return if Client.new(options.merge(elisp_erb: "'1'")).available?
raise UnavailableError, 'Emacs client failed'
end
# Shows a system notification.
#
# @param [String] type the notification type. Either 'success',
# 'pending', 'failed' or 'notify'
# @param [String] title the notification title
# @param [String] message the notification message body
# @param [String] image the path to the notification image
# @param [Hash] opts additional notification library options
# @option opts [String] success the color to use for success
# notifications (default is 'ForestGreen')
# @option opts [String] failed the color to use for failure
# notifications (default is 'Firebrick')
# @option opts [String] pending the color to use for pending
# notifications
# @option opts [String] default the default color to use (default is
# 'Black')
# @option opts [String] client the client to use for notification
# (default is 'emacsclient')
# @option opts [String, Integer] priority specify an int or named key
# (default is 0)
#
def _perform_notify(message, opts = {})
color = _emacs_color(opts[:type], opts)
fontcolor = _emacs_color(:fontcolor, opts)
opts = opts.merge(elisp_erb: _erb_for(opts[:elisp_file]))
Client.new(opts).notify(fontcolor, color, message)
end
# Get the Emacs color for the notification type.
# You can configure your own color by overwrite the defaults.
#
# @param [String] type the notification type
# @param [Hash] options aditional notification options
#
# @option options [String] success the color to use for success
# notifications (default is 'ForestGreen')
#
# @option options [String] failed the color to use for failure
# notifications (default is 'Firebrick')
#
# @option options [String] pending the color to use for pending
# notifications
#
# @option options [String] default the default color to use (default is
# 'Black')
#
# @return [String] the name of the emacs color
#
def _emacs_color(type, options = {})
default = options.fetch(:default, DEFAULTS[:default])
options.fetch(type.to_sym, default)
end
def _erb_for(filename)
return DEFAULT_ELISP_ERB unless filename
IO.read(::File.expand_path(filename))
end
end
end
end
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