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.
33 // The views and conclusions contained in the software and
34 // documentation are those of the authors and should not be
35 // interpreted as representing official policies, either expressed
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, displayName, isLeafItem, icon;
45 @dynamic url, children, pithosContainer, pithosObject;
48 #pragma mark Object Lifecycle
51 if ((self = [super init])) {
52 freshness = PithosNodeStateRefreshNeeded;
61 [pithosNodeInfoController release];
62 [sharingAccount release];
64 [displayName release];
65 [newChildren release];
71 - (BOOL)isEqual:(id)anObject {
72 return ([anObject isKindOfClass:[self class]] && [((PithosNode *)anObject).url isEqual:self.url]);
80 #pragma mark Properties
82 - (void)setShared:(BOOL)aShared {
83 if (shared != aShared) {
90 - (void)setSharingAccount:(NSString *)aSharingAccount {
91 if (![sharingAccount isEqualToString:aSharingAccount]) {
92 [sharingAccount release];
93 sharingAccount = [aSharingAccount retain];
102 - (void)invalidateChildren {
103 if (freshness == PithosNodeStateFresh)
104 freshness = PithosNodeStateRefreshNeeded;
107 - (void)invalidateChildrenRecursive {
108 if (freshness == PithosNodeStateFresh) {
109 for (PithosNode *child in children) {
110 [child invalidateChildrenRecursive];
112 freshness = PithosNodeStateRefreshNeeded;
117 [self invalidateChildren];
121 - (void)forceRefresh {
126 - (void)showPithosNodeInfo:(id)sender {
130 - (void)pithosNodeInfoWillClose:(id)sender {
131 if (pithosNodeInfoController) {
132 [pithosNodeInfoController release];
133 pithosNodeInfoController = nil;
137 - (void)pithosNodeWillBeRemoved {
138 if (pithosNodeInfoController) {
139 pithosNodeInfoController.node = nil;
140 [[pithosNodeInfoController window] close];
142 for (PithosNode *child in children) {
143 [child pithosNodeWillBeRemoved];
148 #pragma mark ASIHTTPRequestDelegate
150 - (void)performRequestFinishedDelegateInBackground:(ASIPithosRequest *)request {
151 dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^{
152 [self performSelector:NSSelectorFromString([request.userInfo objectForKey:@"didFinishSelector"]) withObject:request];
156 - (void)performRequestFailedDelegateInBackground:(ASIPithosRequest *)request {
157 dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^{
158 [self performSelector:NSSelectorFromString([request.userInfo objectForKey:@"didFailSelector"]) withObject:request];