Class: DBus::ProxyObjectInterface
- Inherits:
-
Object
- Object
- DBus::ProxyObjectInterface
- Defined in:
- lib/dbus/introspect.rb
Overview
D-Bus proxy object interface class
A class similar to the normal Interface used as a proxy for remote object interfaces.
Constant Summary collapse
- PROPERTY_INTERFACE =
"org.freedesktop.DBus.Properties"
Instance Attribute Summary collapse
-
#methods ⇒ Object
The proxied methods contained in the interface.
-
#name ⇒ Object
readonly
The name of the interface.
-
#object ⇒ Object
readonly
The proxy object to which this interface belongs.
-
#signals ⇒ Object
The proxied signals contained in the interface.
Instance Method Summary collapse
-
#[](propname) ⇒ Object
Read a property.
-
#[]=(propname, value) ⇒ Object
Write a property.
-
#all_properties ⇒ Object
Read all properties at once, as a hash.
-
#check_for_eval(s) ⇒ Object
FIXME.
-
#check_for_quoted_eval(s) ⇒ Object
FIXME.
-
#define(m) ⇒ Object
Defines a signal or method based on the descriptor m.
-
#define_method(methodname, prototype) ⇒ Object
Defines a proxied method on the interface.
-
#define_method_from_descriptor(m) ⇒ Object
Defines a method on the interface from the Method descriptor m.
-
#define_signal_from_descriptor(s) ⇒ Object
Defines a signal from the descriptor s.
-
#initialize(object, name) ⇒ ProxyObjectInterface
constructor
Creates a new proxy interface for the given proxy object and the given name.
-
#on_signal(bus, name, &block) ⇒ Object
Registers a handler (code block) for a signal with name arriving over the given bus.
-
#singleton_class ⇒ Object
Returns the singleton class of the interface.
-
#to_str ⇒ Object
Returns the string representation of the interface (the name).
Constructor Details
#initialize(object, name) ⇒ ProxyObjectInterface
Creates a new proxy interface for the given proxy object and the given name.
235 236 237 238 |
# File 'lib/dbus/introspect.rb', line 235 def initialize(object, name) @object, @name = object, name @methods, @signals = Hash.new, Hash.new end |
Instance Attribute Details
#methods ⇒ Object
The proxied methods contained in the interface.
225 226 227 |
# File 'lib/dbus/introspect.rb', line 225 def methods @methods end |
#name ⇒ Object (readonly)
The name of the interface.
231 232 233 |
# File 'lib/dbus/introspect.rb', line 231 def name @name end |
#object ⇒ Object (readonly)
The proxy object to which this interface belongs.
229 230 231 |
# File 'lib/dbus/introspect.rb', line 229 def object @object end |
#signals ⇒ Object
The proxied signals contained in the interface.
227 228 229 |
# File 'lib/dbus/introspect.rb', line 227 def signals @signals end |
Instance Method Details
#[](propname) ⇒ Object
Read a property.
332 333 334 |
# File 'lib/dbus/introspect.rb', line 332 def [](propname) self.object[PROPERTY_INTERFACE].Get(self.name, propname)[0] end |
#[]=(propname, value) ⇒ Object
Write a property.
337 338 339 |
# File 'lib/dbus/introspect.rb', line 337 def []=(propname, value) self.object[PROPERTY_INTERFACE].Set(self.name, propname, value) end |
#all_properties ⇒ Object
Read all properties at once, as a hash.
342 343 344 |
# File 'lib/dbus/introspect.rb', line 342 def all_properties self.object[PROPERTY_INTERFACE].GetAll(self.name)[0] end |
#check_for_eval(s) ⇒ Object
FIXME
251 252 253 |
# File 'lib/dbus/introspect.rb', line 251 def check_for_eval(s) raise RuntimeError, "invalid internal data '#{s}'" if not s.to_s =~ /^[A-Za-z0-9_]*$/ end |
#check_for_quoted_eval(s) ⇒ Object
FIXME
256 257 258 |
# File 'lib/dbus/introspect.rb', line 256 def check_for_quoted_eval(s) raise RuntimeError, "invalid internal data '#{s}'" if not s.to_s =~ /^[^"]+$/ end |
#define(m) ⇒ Object
Defines a signal or method based on the descriptor m.
303 304 305 306 307 308 309 |
# File 'lib/dbus/introspect.rb', line 303 def define(m) if m.kind_of?(Method) define_method_from_descriptor(m) elsif m.kind_of?(Signal) define_signal_from_descriptor(m) end end |
#define_method(methodname, prototype) ⇒ Object
Defines a proxied method on the interface.
312 313 314 315 316 |
# File 'lib/dbus/introspect.rb', line 312 def define_method(methodname, prototype) m = Method.new(methodname) m.from_prototype(prototype) define(m) end |
#define_method_from_descriptor(m) ⇒ Object
Defines a method on the interface from the Method descriptor m.
261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 |
# File 'lib/dbus/introspect.rb', line 261 def define_method_from_descriptor(m) check_for_eval(m.name) check_for_quoted_eval(@name) methdef = "def #{m.name}(" methdef += (0..(m.params.size - 1)).to_a.collect { |n| "arg#{n}" }.push("&reply_handler").join(", ") methdef += %{) msg = Message.new(Message::METHOD_CALL) msg.path = @object.path msg.interface = "#{@name}" msg.destination = @object.destination msg.member = "#{m.name}" msg.sender = @object.bus.unique_name } idx = 0 m.params.each do |fpar| par = fpar.type check_for_quoted_eval(par) # This is the signature validity check Type::Parser.new(par).parse methdef += %{ msg.add_param("#{par}", arg#{idx}) } idx += 1 end methdef += " @object.bus.send_sync_or_async(msg, &reply_handler) end " singleton_class.class_eval(methdef) @methods[m.name] = m end |
#define_signal_from_descriptor(s) ⇒ Object
Defines a signal from the descriptor s.
298 299 300 |
# File 'lib/dbus/introspect.rb', line 298 def define_signal_from_descriptor(s) @signals[s.name] = s end |
#on_signal(bus, name, &block) ⇒ Object
Registers a handler (code block) for a signal with name arriving over the given bus. If no block is given, the signal is unregistered.
320 321 322 323 324 325 326 327 |
# File 'lib/dbus/introspect.rb', line 320 def on_signal(bus, name, &block) mr = DBus::MatchRule.new.from_signal(self, name) if block.nil? bus.remove_match(mr) else bus.add_match(mr) { |msg| block.call(*msg.params) } end end |
#singleton_class ⇒ Object
Returns the singleton class of the interface.
246 247 248 |
# File 'lib/dbus/introspect.rb', line 246 def singleton_class (class << self ; self ; end) end |
#to_str ⇒ Object
Returns the string representation of the interface (the name).
241 242 243 |
# File 'lib/dbus/introspect.rb', line 241 def to_str @name end |