- Update

Extensions/XEP-0333/XMPPMessage+XEP_0333.h

@@ -0,0 +1,28 @@
+#import "XMPPMessage.h"
+
+@interface XMPPMessage (XEP_0333)
+
+- (BOOL)hasChatMarker;
+
+- (BOOL)hasMarkableChatMarker;
+- (BOOL)hasReceivedChatMarker;
+- (BOOL)hasDisplayedChatMarker;
+- (BOOL)hasAcknowledgedChatMarker;
+
+- (NSString *)chatMarker;
+- (NSString *)chatMarkerID;
+
+- (void)addMarkableChatMarker;
+- (void)addReceivedChatMarkerWithID:(NSString *)elementID;
+- (void)addDisplayedChatMarkerWithID:(NSString *)elementID;
+- (void)addAcknowledgedChatMarkerWithID:(NSString *)elementID;
+
+- (XMPPMessage *)generateReceivedChatMarker;
+- (XMPPMessage *)generateDisplayedChatMarker;
+- (XMPPMessage *)generateAcknowledgedChatMarker;
+
+- (XMPPMessage *)generateReceivedChatMarkerIncludingThread:(BOOL)includingThread;
+- (XMPPMessage *)generateDisplayedChatMarkerIncludingThread:(BOOL)includingThread;
+- (XMPPMessage *)generateAcknowledgedChatMarkerIncludingThread:(BOOL)includingThread;
+
+@end

Extensions/XEP-0333/XMPPMessage+XEP_0333.m

@@ -0,0 +1,142 @@
+#import "XMPPMessage+XEP_0333.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define XMLNS_CHAT_MARKERS @"urn:xmpp:chat-markers:0"
+
+#define MARKABLE_NAME @"markable"
+#define RECEIVED_NAME @"received"
+#define DISPLAYED_NAME @"displayed"
+#define ACKNOWLEDGED_NAME @"acknowledged"
+
+@implementation XMPPMessage (XEP_0333)
+
+- (BOOL)hasChatMarker
+{
+    return ([[self elementsForXmlns:XMLNS_CHAT_MARKERS] count] > 0);
+}
+
+- (BOOL)hasMarkableChatMarker
+{
+    return ([self elementForName:MARKABLE_NAME xmlns:XMLNS_CHAT_MARKERS] != nil);
+}
+
+- (BOOL)hasReceivedChatMarker
+{
+    return ([self elementForName:RECEIVED_NAME xmlns:XMLNS_CHAT_MARKERS] != nil);
+}
+
+- (BOOL)hasDisplayedChatMarker
+{
+    return ([self elementForName:DISPLAYED_NAME xmlns:XMLNS_CHAT_MARKERS] != nil);
+}
+
+- (BOOL)hasAcknowledgedChatMarker
+{
+    return ([self elementForName:ACKNOWLEDGED_NAME xmlns:XMLNS_CHAT_MARKERS] != nil);
+}
+
+- (NSString *)chatMarker
+{
+    return [[[self elementsForXmlns:XMLNS_CHAT_MARKERS] lastObject] name];
+}
+
+- (NSString *)chatMarkerID
+{
+    return [[[self elementsForXmlns:XMLNS_CHAT_MARKERS] lastObject] attributeStringValueForName:@"id"];
+}
+
+- (NSString *)chatMarkerThread
+{
+    return [[[self elementsForXmlns:XMLNS_CHAT_MARKERS] lastObject] attributeStringValueForName:@"thread"];
+}
+
+- (void)addMarkableChatMarker
+{
+    NSXMLElement *markableDisplayedMarker = [[NSXMLElement alloc] initWithName:MARKABLE_NAME xmlns:XMLNS_CHAT_MARKERS];
+    [self addChild:markableDisplayedMarker];
+}
+
+- (void)addReceivedChatMarkerWithID:(NSString *)elementID
+{
+    NSXMLElement *receivedChatMarker = [[NSXMLElement alloc] initWithName:RECEIVED_NAME xmlns:XMLNS_CHAT_MARKERS];
+    [receivedChatMarker addAttributeWithName:@"id" stringValue:elementID];
+    
+    [self addChild:receivedChatMarker];
+}
+
+- (void)addDisplayedChatMarkerWithID:(NSString *)elementID
+{
+    NSXMLElement *readDisplayedMarker = [[NSXMLElement alloc] initWithName:DISPLAYED_NAME xmlns:XMLNS_CHAT_MARKERS];
+    [readDisplayedMarker addAttributeWithName:@"id" stringValue:elementID];
+
+    [self addChild:readDisplayedMarker];
+}
+
+- (void)addAcknowledgedChatMarkerWithID:(NSString *)elementID
+{
+    NSXMLElement *acknowledgedChatMarker = [[NSXMLElement alloc] initWithName:ACKNOWLEDGED_NAME xmlns:XMLNS_CHAT_MARKERS];
+    [acknowledgedChatMarker addAttributeWithName:@"id" stringValue:elementID];
+    
+    [self addChild:acknowledgedChatMarker];
+}
+
+- (XMPPMessage *)generateReceivedChatMarker
+{
+    return [self generateReceivedChatMarkerIncludingThread:NO];
+}
+
+- (XMPPMessage *)generateDisplayedChatMarker
+{
+    return [self generateDisplayedChatMarkerIncludingThread:NO];
+}
+
+- (XMPPMessage *)generateAcknowledgedChatMarker
+{
+    return [self generateAcknowledgedChatMarkerIncludingThread:NO];
+}
+
+- (XMPPMessage *)generateReceivedChatMarkerIncludingThread:(BOOL)includingThread
+{
+    XMPPMessage *message = [XMPPMessage message];
+    [message addAttributeWithName:@"to" stringValue:[self fromStr]];
+    
+    if(includingThread && [self thread])
+    {
+        [message addThread:[self thread]];
+    }
+    
+    [message addReceivedChatMarkerWithID:[self elementID]];
+    
+    return message;
+}
+- (XMPPMessage *)generateDisplayedChatMarkerIncludingThread:(BOOL)includingThread
+{
+    XMPPMessage *message = [XMPPMessage message];
+    [message addAttributeWithName:@"to" stringValue:[self fromStr]];
+    
+    if(includingThread && [self thread])
+    {
+        [message addThread:[self thread]];
+    }
+    
+    [message addDisplayedChatMarkerWithID:[self elementID]];
+    return message;
+}
+- (XMPPMessage *)generateAcknowledgedChatMarkerIncludingThread:(BOOL)includingThread
+{
+    XMPPMessage *message = [XMPPMessage message];
+    [message addAttributeWithName:@"to" stringValue:[self fromStr]];
+    
+    if(includingThread && [self thread])
+    {
+        [message addThread:[self thread]];
+    }
+    
+    [message addAcknowledgedChatMarkerWithID:[self elementID]];
+    return message;
+}
+@end