Add capability to register callbacks when sending IQs

src/XMPPCallback.m

@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2011, Florian Zeitz <florob@babelmonkeys.de>
+ *
+ * https://webkeks.org/hg/objxmpp/
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#import "XMPPCallback.h"
+
+#ifdef OF_HAVE_BLOCKS
+@implementation XMPPBlockCallback
++ callbackWithCallbackBlock: (xmpp_callback_block)callback_
+{
+	return [[[self alloc] initWithCallbackBlock: callback_] autorelease];
+}
+
+- initWithCallbackBlock: (xmpp_callback_block)callback_
+{
+	self = [super init];
+
+	callback = [callback_ copy];
+
+	return self;
+}
+
+- (void)dealloc
+{
+	[callback release];
+
+	[super dealloc];
+}
+
+- (void)runWithIQ: (XMPPIQ*)iq
+{
+	callback(iq);
+}
+@end
+#endif
+
+@implementation XMPPObjectCallback
++ callbackWithCallbackObject: (id)object_
+		    selector: (SEL)selector_
+{
+	return [[[self alloc] initWithCallbackObject: object_
+					    selector: selector_] autorelease];
+}
+
+- initWithCallbackObject: (id)object_
+		selector: (SEL)selector_
+{
+	self = [super init];
+
+	// TODO: Retain or follow delegate paradigm?
+	object = [object_ retain];
+	selector = selector_;
+
+	return self;
+}
+
+- (void)dealloc
+{
+	[object release];
+
+	[super dealloc];
+}
+
+- (void)runWithIQ: (XMPPIQ*)iq
+{
+	[object performSelector: selector
+		     withObject: iq];
+}
+@end