5 // Copyright 2011 GRNET S.A. All rights reserved.
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8 // without modification, are permitted provided that the following
11 // 1. Redistributions of source code must retain the above
12 // copyright notice, this list of conditions and the following
15 // 2. Redistributions in binary form must reproduce the above
16 // copyright notice, this list of conditions and the following
17 // disclaimer in the documentation and/or other materials
18 // provided with the distribution.
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38 #import "PithosAccountNode.h"
39 #import "PithosContainerNode.h"
40 #import "ASIPithosAccountRequest.h"
41 #import "ASIPithosContainer.h"
42 #import "ASIDownloadCache.h"
44 @implementation PithosAccountNode
47 #pragma mark Object Lifecycle
50 [accountRequest clearDelegatesAndCancel];
51 [accountRequest release];
57 #pragma mark ASIHTTPRequestDelegate
59 - (void)requestFinished:(ASIHTTPRequest *)request {
60 NSLog(@"URL: %@", [accountRequest url]);
61 NSLog(@"cached: %d", [accountRequest didUseCachedResponse]);
63 NSArray *someContainers = [accountRequest containers];
64 if (containers == nil) {
65 containers = [[NSMutableArray alloc] initWithArray:someContainers];
67 [containers addObjectsFromArray:someContainers];
69 if ([someContainers count] < 10000) {
70 if (!accountRequest.didUseCachedResponse || ([containers count] != [someContainers count]) || !children) {
72 NSLog(@"using newChildren");
73 newChildren = [[NSMutableArray alloc] init];
74 for (ASIPithosContainer *container in containers) {
75 PithosContainerNode *node = [[[PithosContainerNode alloc] initWithPithosContainer:container] autorelease];
77 NSUInteger oldIndex = [children indexOfObject:node];
78 if (oldIndex != NSNotFound) {
79 // Use the same pointer value, if possible
80 node = [children objectAtIndex:oldIndex];
81 node.pithosContainer = container;
84 [newChildren addObject:node];
87 // Else cache was used and all results were fetched during this request, so existing children can be reused
88 [accountRequest release];
92 // XXX sort children based on preferences
94 freshness = PithosNodeStateRefreshFinished;
96 // Notify observers that children are updated
97 [[NSNotificationCenter defaultCenter] postNotificationName:@"PithosAccountNodeChildrenUpdated" object:self];
99 [accountRequest release];
100 // Do an additional request to fetch more objects
101 accountRequest = [[ASIPithosAccountRequest listContainersRequestWithLimit:0
102 marker:[[someContainers lastObject] name]
105 accountRequest.delegate = self;
106 accountRequest.downloadCache = [ASIDownloadCache sharedCache];
107 [accountRequest startAsynchronous];
111 - (void)requestFailed:(ASIHTTPRequest *)request {
112 // XXX do something on error, cleanup
113 NSLog(@"error:%@", [accountRequest error]);
114 [newChildren release];
116 [accountRequest release];
117 accountRequest = nil;
118 [containers release];
120 @synchronized(self) {
121 freshness = PithosNodeStateRefreshNeeded;
126 #pragma mark Properties
130 url = [[ASIPithosRequest storageURL] copy];
134 - (NSArray *)children {
135 @synchronized(self) {
137 case PithosNodeStateFresh:
139 case PithosNodeStateRefreshNeeded:
140 freshness = PithosNodeStateRefreshing;
141 accountRequest = [[ASIPithosAccountRequest listContainersRequestWithLimit:0
145 accountRequest.delegate = self;
146 accountRequest.downloadCache = [ASIDownloadCache sharedCache];
147 [accountRequest startAsynchronous];
149 case PithosNodeStateRefreshing:
151 case PithosNodeStateRefreshFinished:
154 children = newChildren;
157 freshness = PithosNodeStateFresh;
165 - (NSString *)displayName {
166 if (displayName == nil) {
167 displayName = [[NSString alloc] initWithString:@"account"];