Module: Libnotify::FFI

Extended by:
FFI::Library
Included in:
API
Defined in:
lib/libnotify/ffi.rb

Overview

Raw FFI bindings.

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object

:nodoc:



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# File 'lib/libnotify/ffi.rb', line 46

def method_missing(method, *args, &block) # :nodoc:
  if method.to_s =~ /^notify_/
    warn "libnotify.so not found!"
  end

  super
end

Class Method Details

.attach_functions! ⇒ Object

:nodoc:



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# File 'lib/libnotify/ffi.rb', line 31

def self.attach_functions! # :nodoc:
  attach_function :notify_init,                         [:string],                              :bool
  attach_function :notify_uninit,                       [],                                     :void
  attach_function :notify_notification_new,             [:string, :string, :string, :pointer],  :pointer
  attach_function :notify_notification_update,          [:pointer, :string, :string, :string, :pointer],  :pointer
  attach_function :notify_notification_set_urgency,     [:pointer, :urgency],                   :void
  attach_function :notify_notification_set_timeout,     [:pointer, :long],                      :void
  attach_function :notify_notification_set_hint_string, [:pointer, :string, :string],           :void
  attach_function :notify_notification_set_hint_uint32, [:pointer, :string, :int],              :void
  attach_function :notify_notification_clear_hints,     [:pointer],                             :void
  attach_function :notify_notification_show,            [:pointer, :pointer],                   :bool
  attach_function :notify_notification_close,           [:pointer, :pointer],                   :bool
  attach_function :g_object_unref,                      [:pointer],                             :void
end

.included(_base) ⇒ Object

Load libnotify library and attach functions from C to Ruby via FFI.



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# File 'lib/libnotify/ffi.rb', line 10

def self.included(_base)
  load_libs
  attach_functions!
rescue LoadError => e
  warn e.message
end

.load_libs ⇒ Object

:nodoc:



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# File 'lib/libnotify/ffi.rb', line 17

def self.load_libs # :nodoc:
  libnotify_libs = %w[libnotify libnotify.so.4 libnotify.so.3 libnotify.so.2 libnotify.so.1 libnotify.so]

  # Workaround for "half-linked" libnotify.so. Does not work on rubinius (no ffi_lib_flags there)!
  # See: https://bugzilla.redhat.com/show_bug.cgi?id=626852
  ffi_lib_flags :lazy, :local, :global if respond_to?(:ffi_lib_flags)
  ffi_lib libnotify_libs

rescue LoadError
  ffi_lib %w[libgtk-x11-2.0 libgtk-x11-2.0.so.0 libgtk-x11-2.0.so libgtk-3 libgtk-3.so.0 libgtk-3.so],
          %w[libgtkmm-2.4 libgtkmm-2.4.so.1 libgtkmm-2.4.so libgtkmm-3.0 libgtkmm-3.0.so.1 libgtkmm-3.0.so],
          libnotify_libs
end