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
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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
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36 // or implied, of GRNET S.A.
38 #import "PithosNode.h"
39 #import "PithosNodeInfoController.h"
40 #import "ASIPithosRequest.h"
42 @implementation PithosNode
43 @synthesize forcedRefresh, pithosAccountManager, parent, shared, sharingAccount, childrenUpdatedNotificationName,
44 inheritChildrenUpdatedNotificationName, displayName, isLeafItem, icon;
45 @dynamic url, children, pithos, pithosAccount, pithosContainer, pithosObject;
48 #pragma mark Object Lifecycle
51 if ((self = [super init])) {
52 pithosAccountManager = nil;
53 freshness = PithosNodeStateRefreshNeeded;
57 self.childrenUpdatedNotificationName = @"PithosNodeChildrenUpdated";
58 inheritChildrenUpdatedNotificationName = NO;
64 - (BOOL)isEqual:(id)anObject {
65 return ([anObject isKindOfClass:[self class]] && [((PithosNode *)anObject).url isEqual:self.url]);
73 #pragma mark Properties
75 - (void)setShared:(BOOL)aShared {
76 if (shared != aShared) {
82 - (void)setSharingAccount:(NSString *)aSharingAccount {
83 if (![sharingAccount isEqualToString:aSharingAccount]) {
84 sharingAccount = aSharingAccount;
92 - (void)invalidateChildren {
93 if (freshness == PithosNodeStateFresh)
94 freshness = PithosNodeStateRefreshNeeded;
97 - (void)invalidateChildrenRecursive {
98 if (freshness == PithosNodeStateFresh) {
99 for (PithosNode *child in children) {
100 [child invalidateChildrenRecursive];
102 freshness = PithosNodeStateRefreshNeeded;
107 [self invalidateChildren];
111 - (void)forceRefresh {
116 - (void)postChildrenUpdatedNotificationName {
117 // Notify observers that children are updated
118 if (inheritChildrenUpdatedNotificationName) {
119 PithosNode *ancestor = self;
120 while (ancestor && ancestor.parent) {
121 ancestor = ancestor.parent;
123 if (ancestor && ancestor.childrenUpdatedNotificationName) {
124 [[NSNotificationCenter defaultCenter] postNotificationName:ancestor.childrenUpdatedNotificationName object:self];
126 } else if (childrenUpdatedNotificationName) {
127 [[NSNotificationCenter defaultCenter] postNotificationName:childrenUpdatedNotificationName object:self];
131 - (void)showPithosNodeInfo:(id)sender {
135 - (void)pithosNodeInfoWillClose:(id)sender {
136 if (pithosNodeInfoController) {
137 pithosNodeInfoController = nil;
141 - (void)pithosNodeWillBeRemoved {
142 if (pithosNodeInfoController) {
143 pithosNodeInfoController.node = nil;
144 [[pithosNodeInfoController window] close];
146 for (PithosNode *child in children) {
147 [child pithosNodeWillBeRemoved];
152 #pragma mark ASIHTTPRequestDelegate
154 - (void)performRequestFinishedDelegateInBackground:(ASIPithosRequest *)request {
155 dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^{
156 [self performSelector:NSSelectorFromString([request.userInfo objectForKey:@"didFinishSelector"]) withObject:request];
160 - (void)performRequestFailedDelegateInBackground:(ASIPithosRequest *)request {
161 dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^{
162 [self performSelector:NSSelectorFromString([request.userInfo objectForKey:@"didFailSelector"]) withObject:request];