5 // Copyright 2011 GRNET S.A. All rights reserved.
7 // Redistribution and use in source and binary forms, with or
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.
20 // THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
21 // OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
24 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
27 // USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28 // AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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30 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 // POSSIBILITY OF SUCH DAMAGE.
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36 // or implied, of GRNET S.A.
38 #import "PithosNode.h"
39 #import "PithosNodeInfoController.h"
40 #import "ASIDownloadCache.h"
41 #import "ASIPithosRequest.h"
43 @implementation PithosNode
44 @synthesize forcedRefresh, parent, shared, sharingAccount, childrenUpdatedNotificationName,
45 inheritChildrenUpdatedNotificationName, displayName, isLeafItem, icon;
46 @dynamic url, children, pithos, pithosAccount, pithosContainer, pithosObject;
49 #pragma mark Object Lifecycle
52 if ((self = [super init])) {
53 freshness = PithosNodeStateRefreshNeeded;
57 self.childrenUpdatedNotificationName = @"PithosNodeChildrenUpdated";
58 inheritChildrenUpdatedNotificationName = NO;
64 [pithosNodeInfoController release];
65 [sharingAccount release];
67 [displayName release];
68 [childrenUpdatedNotificationName release];
69 [newChildren release];
75 - (BOOL)isEqual:(id)anObject {
76 return ([anObject isKindOfClass:[self class]] && [((PithosNode *)anObject).url isEqual:self.url]);
84 #pragma mark Properties
86 - (void)setShared:(BOOL)aShared {
87 if (shared != aShared) {
94 - (void)setSharingAccount:(NSString *)aSharingAccount {
95 if (![sharingAccount isEqualToString:aSharingAccount]) {
96 [sharingAccount release];
97 sharingAccount = [aSharingAccount retain];
106 - (void)invalidateChildren {
107 if (freshness == PithosNodeStateFresh)
108 freshness = PithosNodeStateRefreshNeeded;
111 - (void)invalidateChildrenRecursive {
112 if (freshness == PithosNodeStateFresh) {
113 for (PithosNode *child in children) {
114 [child invalidateChildrenRecursive];
116 freshness = PithosNodeStateRefreshNeeded;
121 [self invalidateChildren];
125 - (void)forceRefresh {
130 - (void)postChildrenUpdatedNotificationName {
131 // Notify observers that children are updated
132 if (inheritChildrenUpdatedNotificationName) {
133 PithosNode *ancestor = self;
134 while (ancestor && ancestor.parent) {
135 ancestor = ancestor.parent;
137 if (ancestor && ancestor.childrenUpdatedNotificationName) {
138 [[NSNotificationCenter defaultCenter] postNotificationName:ancestor.childrenUpdatedNotificationName object:self];
140 } else if (childrenUpdatedNotificationName) {
141 [[NSNotificationCenter defaultCenter] postNotificationName:childrenUpdatedNotificationName object:self];
145 - (void)showPithosNodeInfo:(id)sender {
149 - (void)pithosNodeInfoWillClose:(id)sender {
150 if (pithosNodeInfoController) {
151 [pithosNodeInfoController release];
152 pithosNodeInfoController = nil;
156 - (void)pithosNodeWillBeRemoved {
157 if (pithosNodeInfoController) {
158 pithosNodeInfoController.node = nil;
159 [[pithosNodeInfoController window] close];
161 for (PithosNode *child in children) {
162 [child pithosNodeWillBeRemoved];
167 #pragma mark ASIHTTPRequestDelegate
169 - (void)performRequestFinishedDelegateInBackground:(ASIPithosRequest *)request {
170 dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^{
171 [self performSelector:NSSelectorFromString([request.userInfo objectForKey:@"didFinishSelector"]) withObject:request];
175 - (void)performRequestFailedDelegateInBackground:(ASIPithosRequest *)request {
176 dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^{
177 [self performSelector:NSSelectorFromString([request.userInfo objectForKey:@"didFailSelector"]) withObject:request];