Add capability to register callbacks when sending IQs

src/XMPPCallback.h

@@ -0,0 +1,52 @@
+/*
+ * 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.
+ */
+
+#import <ObjFW/ObjFW.h>
+
+@class XMPPIQ;
+
+@protocol XMPPCallback <OFObject>
+- (void)runWithIQ: (XMPPIQ*)iq;
+@end
+
+#ifdef OF_HAVE_BLOCKS
+typedef void(^xmpp_callback_block)(XMPPIQ*);
+
+@interface XMPPBlockCallback: OFObject <XMPPCallback>
+{
+	xmpp_callback_block callback;
+}
++ callbackWithCallbackBlock: (xmpp_callback_block)callback;
+- initWithCallbackBlock: (xmpp_callback_block)callback;
+@end
+#endif
+
+@interface XMPPObjectCallback: OFObject <XMPPCallback>
+{
+	id object;
+	SEL selector;
+}
++ callbackWithCallbackObject: (id)object
+		    selector: (SEL)selector;
+- initWithCallbackObject: (id)object
+		selector: (SEL)selector;
+@end