- Update

Extensions/Roster/MemoryStorage/XMPPResourceMemoryStorageObject.m

@@ -0,0 +1,206 @@
+#import "XMPP.h"
+#import "NSXMLElement+XEP_0203.h"
+#import "XMPPRosterMemoryStoragePrivate.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation XMPPResourceMemoryStorageObject
+
+- (id)initWithPresence:(XMPPPresence *)aPresence
+{
+	if((self = [super init]))
+	{
+		jid = [aPresence from];
+		presence = aPresence;
+		
+		presenceDate = [presence delayedDeliveryDate];
+		if (presenceDate == nil)
+		{
+			presenceDate = [[NSDate alloc] init];
+		}
+	}
+	return self;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Copying
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id)copyWithZone:(NSZone *)zone
+{
+	// We use [self class] to support subclassing
+	
+	XMPPResourceMemoryStorageObject *deepCopy = (XMPPResourceMemoryStorageObject *)[[[self class] alloc] init];
+	
+	deepCopy->jid = [jid copy];
+	deepCopy->presence = presence; // No need to bother with a copy sicne we don't alter presence
+	deepCopy->presenceDate = [presenceDate copy];
+	
+	return deepCopy;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Encoding, Decoding
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if ! TARGET_OS_IPHONE
+- (id)replacementObjectForPortCoder:(NSPortCoder *)encoder
+{
+	if([encoder isBycopy])
+		return self;
+	else
+		return [super replacementObjectForPortCoder:encoder];
+	//	return [NSDistantObject proxyWithLocal:self connection:[encoder connection]];
+}
+#endif
+
+- (id)initWithCoder:(NSCoder *)coder
+{
+	if ((self = [super init]))
+	{
+		if([coder allowsKeyedCoding])
+		{
+            if([coder respondsToSelector:@selector(requiresSecureCoding)] &&
+               [coder requiresSecureCoding])
+            {
+                jid          = [coder decodeObjectOfClass:[XMPPJID class] forKey:@"jid"];
+                presence     = [coder decodeObjectOfClass:[XMPPPresence class] forKey:@"presence"];
+                presenceDate = [coder decodeObjectOfClass:[NSDate class] forKey:@"presenceDate"];
+            }
+            else
+            {
+                jid          = [coder decodeObjectForKey:@"jid"];
+                presence     = [coder decodeObjectForKey:@"presence"];
+                presenceDate = [coder decodeObjectForKey:@"presenceDate"];
+            }
+		}
+		else
+		{
+			jid          = [coder decodeObject];
+			presence     = [coder decodeObject];
+			presenceDate = [coder decodeObject];
+		}
+	}
+	return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder
+{
+	if ([coder allowsKeyedCoding])
+	{
+		[coder encodeObject:jid          forKey:@"jid"];
+		[coder encodeObject:presence     forKey:@"presence"];
+		[coder encodeObject:presenceDate forKey:@"presenceDate"];
+	}
+	else
+	{
+		[coder encodeObject:jid];
+		[coder encodeObject:presence];
+		[coder encodeObject:presenceDate];
+	}
+}
+
++ (BOOL) supportsSecureCoding
+{
+    return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Standard Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (XMPPJID *)jid
+{
+	return jid;
+}
+
+- (XMPPPresence *)presence
+{
+	return presence;
+}
+
+- (NSDate *)presenceDate
+{
+	return presenceDate;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Update Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)updateWithPresence:(XMPPPresence *)aPresence
+{
+	presence = aPresence;
+	
+	presenceDate = [presence delayedDeliveryDate];
+	if (presenceDate == nil)
+	{
+		presenceDate = [[NSDate alloc] init];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Comparison Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSComparisonResult)compare:(id <XMPPResource>)another
+{
+	XMPPPresence *mp = [self presence];
+	XMPPPresence *ap = [another presence];
+	
+	int mpp = [mp priority];
+	int app = [ap priority];
+	
+	if(mpp < app)
+		return NSOrderedDescending;
+	if(mpp > app)
+		return NSOrderedAscending;
+	
+	// Priority is the same.
+	// Determine who is more available based on their show.
+	int mps = [mp intShow];
+	int aps = [ap intShow];
+	
+	if(mps < aps)
+		return NSOrderedDescending;
+	if(mps > aps)
+		return NSOrderedAscending;
+	
+	// Priority and Show are the same.
+	// Determine based on who was the last to receive a presence element.
+	NSDate *mpd = [self presenceDate];
+	NSDate *apd = [another presenceDate];
+	
+	return [mpd compare:apd];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark NSObject Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSUInteger)hash
+{
+	return [jid hash];
+}
+
+- (BOOL)isEqual:(id)anObject
+{
+	if([anObject isMemberOfClass:[self class]])
+	{
+		XMPPResourceMemoryStorageObject *another = (XMPPResourceMemoryStorageObject *)anObject;
+		
+		return [jid isEqualToJID:[another jid]];
+	}
+	
+	return NO;
+}
+
+- (NSString *)description
+{
+	return [NSString stringWithFormat:@"<XMPPResource[%p]: %@>", self, [jid full]];
+}
+
+@end