code.grnet.gr Git - pithos-macos/blob - pithos-macos/PithosSubdirNode.m

   1 //
   2 //  PithosSubdirNode.m
   3 //  pithos-macos
   4 //
   5 // Copyright 2011 GRNET S.A. All rights reserved.
   6 //
   7 // Redistribution and use in source and binary forms, with or
   8 // without modification, are permitted provided that the following
   9 // conditions are met:
  10 //
  11 //   1. Redistributions of source code must retain the above
  12 //      copyright notice, this list of conditions and the following
  13 //      disclaimer.
  14 //
  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.
  19 //
  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
  29 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  30 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31 // POSSIBILITY OF SUCH DAMAGE.
  32 //
  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.
  37
  38 #import "PithosSubdirNode.h"
  39 #import "ASIPithosRequest.h"
  40 #import "ASIPithosObjectRequest.h"
  41 #import "ASIPithosContainer.h"
  42 #import "ASIPithosObject.h"
  43 #import "ASIDownloadCache.h"
  44 #import "PithosFileUtilities.h"
  45 #import "PithosObjectNodeInfoController.h"
  46
  47 static NSImage *sharedIcon = nil;
  48
  49 @implementation PithosSubdirNode
  50 @synthesize pithosObject;
  51 @synthesize isPublic;
  52
  53 + (void)initialize {
  54         if (self == [PithosSubdirNode class])
  55         sharedIcon = [[[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kGenericFolderIcon)] retain];
  56 }
  57
  58 #pragma mark -
  59 #pragma mark Object Lifecycle
  60
  61 - (id)initWithPithosContainer:(ASIPithosContainer *)aPithosContainer pithosObject:(ASIPithosObject *)aPithosObject {
  62     if ((self = [super init])) {
  63         self.pithosContainer = aPithosContainer;
  64         self.pithosObject = aPithosObject;
  65         childrenUpdatedNotificationName = @"PithosSubdirNodeChildrenUpdated";
  66         refreshParent = NO;
  67     }
  68     return self;
  69 }
  70
  71 - (void)dealloc {
  72     [refreshMetadataObjectRequest clearDelegatesAndCancel];
  73     [refreshMetadataObjectRequest release];
  74     [applyMetadataObjectRequest clearDelegatesAndCancel];
  75     [applyMetadataObjectRequest release];
  76     [pithosObject release];
  77     [super dealloc];
  78 }
  79
  80 #pragma mark -
  81 #pragma mark Properties
  82
  83 - (NSString *)url {
  84     if (url == nil)
  85         url = [[NSString alloc] initWithFormat:@"subdir %@/%@/%@", [ASIPithosRequest storageURL], pithosContainer.name, prefix];
  86     return url;
  87 }
  88
  89 - (NSString *)displayName {
  90     if (displayName == nil) {
  91         displayName = [pithosObject.name lastPathComponent];
  92         if (!pithosObject.subdir && [pithosObject.name hasSuffix:@"/"])
  93             displayName = [displayName stringByAppendingString:@"/"];
  94         [displayName retain];
  95     }
  96     return [[displayName copy] autorelease];
  97 }
  98
  99 - (void)setDisplayName:(NSString *)aDisplayName {
 100 }
 101
 102 - (NSImage *)icon {
 103     if (icon == nil)
 104         icon = [sharedIcon retain];
 105     return icon;
 106 }
 107
 108 - (void)setPithosObject:(ASIPithosObject *)aPithosObject {
 109     if (![pithosObject isEqualTo:aPithosObject]) {
 110         [pithosObject release];
 111         pithosObject = [aPithosObject retain];
 112     }
 113     if (pithosObject.subdir) {
 114         self.prefix = [pithosObject.name substringToIndex:([pithosObject.name length] - 1)];
 115     } else {
 116         self.prefix = [NSString stringWithString:pithosObject.name];
 117     }
 118     self.isPublic = (pithosObject.publicURI != nil);
 119     // Refresh parent if the object is in my shared and is no longer shared
 120     if (shared && !pithosObject.subdir && !pithosObject.sharing)
 121         [self.parent refreshToRoot];
 122 }
 123
 124 #pragma mark -
 125 #pragma mark ASIHTTPRequestDelegate
 126
 127 - (void)objectRequestFinished:(ASIPithosObjectRequest *)request {
 128     NSLog(@"URL: %@", [request url]);
 129     NSLog(@"cached: %d", [request didUseCachedResponse]);
 130
 131     if ([request isEqualTo:applyMetadataObjectRequest]) {
 132         @synchronized(self) {
 133             [applyMetadataObjectRequest release];
 134             applyMetadataObjectRequest = nil;
 135         }
 136         [self refreshInfo];
 137     } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
 138         [[pithosNodeInfoController window] makeFirstResponder:nil];
 139         self.pithosObject = [refreshMetadataObjectRequest object];
 140         if (refreshParent) {
 141             // Ask the parent for refresh for the case where an object was removed
 142             // It is done here so that it doesn't affect the info window refresh
 143             [parent invalidateChildren];
 144             [parent children];
 145             refreshParent = NO;
 146         }
 147         @synchronized(self) {
 148             [refreshMetadataObjectRequest release];
 149             refreshMetadataObjectRequest = nil;
 150         }
 151     }
 152 }
 153
 154 - (void)objectRequestFailed:(ASIPithosObjectRequest *)request {
 155     if ([request isEqualTo:applyMetadataObjectRequest]) {
 156         [PithosFileUtilities httpRequestErrorAlertWithRequest:applyMetadataObjectRequest];
 157         @synchronized(self) {
 158             [applyMetadataObjectRequest release];
 159             applyMetadataObjectRequest = nil;
 160         }
 161     } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
 162         [PithosFileUtilities httpRequestErrorAlertWithRequest:refreshMetadataObjectRequest];
 163         @synchronized(self) {
 164             [refreshMetadataObjectRequest release];
 165             refreshMetadataObjectRequest = nil;
 166         }
 167     }
 168 }
 169
 170 #pragma mark -
 171 #pragma mark Info
 172
 173 - (void)applyInfo {
 174     @synchronized(self) {
 175         if (applyMetadataObjectRequest == nil) {
 176             if (pithosObject.subdir) {
 177                 BOOL createObject = NO;
 178                 NSAlert *alert;
 179                 ASIPithosObjectRequest *request = [ASIPithosObjectRequest objectMetadataRequestWithContainerName:pithosContainer.name
 180                                                                                                       objectName:prefix];
 181                 [request startSynchronous];
 182                 if ([request error]) {
 183                     alert = [[[NSAlert alloc] init] autorelease];
 184                     [alert setMessageText:@"HTTP Request Error"];
 185                     [alert setInformativeText:[NSString stringWithFormat:@"An error occured: %@", [request error]]];
 186                     [alert addButtonWithTitle:@"OK"];
 187                     [alert runModal];
 188                     return;
 189                 } else if (request.responseStatusCode == 200) {
 190                     alert = [[[NSAlert alloc] init] autorelease];
 191                     [alert setMessageText:@"Apply changes"];
 192                     [alert setInformativeText:[NSString stringWithFormat:@"In order to apply the changes in '%@', the object at the same path must be replaced. Continue?", self.displayName]];
 193                     [alert addButtonWithTitle:@"OK"];
 194                     [alert addButtonWithTitle:@"Cancel"];
 195                     NSInteger choice = [alert runModal];
 196                     if (choice == NSAlertFirstButtonReturn) {
 197                         request = [ASIPithosObjectRequest deleteObjectRequestWithContainerName:pithosContainer.name
 198                                                                                        objectName:prefix];
 199                         [request startSynchronous];
 200                         if ([request error]) {
 201                             alert = [[[NSAlert alloc] init] autorelease];
 202                             [alert setMessageText:@"HTTP Request Error"];
 203                             [alert setInformativeText:[NSString stringWithFormat:@"An error occured: %@", [request error]]];
 204                             [alert addButtonWithTitle:@"OK"];
 205                             [alert runModal];
 206                             return;
 207                         } else if (request.responseStatusCode != 204) {
 208                             [PithosFileUtilities unexpectedResponseStatusAlertWithRequest:request];
 209                             return;
 210                         }
 211                         refreshParent = YES;
 212                         createObject = YES;
 213                     } else {
 214                         return;
 215                     }
 216                 } else if (request.responseStatusCode == 404) {
 217                     createObject = YES;
 218                 } else {
 219                     [PithosFileUtilities unexpectedResponseStatusAlertWithRequest:request];
 220                     return;
 221                 }
 222                 if (createObject) {
 223                     [[pithosNodeInfoController window] makeFirstResponder:nil];
 224                     applyMetadataObjectRequest = [[ASIPithosObjectRequest writeObjectDataRequestWithContainerName:pithosContainer.name
 225                                                                                                        objectName:prefix
 226                                                                                                              eTag:nil
 227                                                                                                       contentType:@"application/directory"
 228                                                                                                   contentEncoding:pithosObject.contentEncoding
 229                                                                                                contentDisposition:pithosObject.contentDisposition
 230                                                                                                          manifest:pithosObject.manifest
 231                                                                                                           sharing:pithosObject.sharing
 232                                                                                                          isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse)
 233                                                                                                          metadata:pithosObject.metadata
 234                                                                                                              data:[NSData data]] retain];
 235                     pithosObject.subdir = NO;
 236                     applyMetadataObjectRequest.delegate = self;
 237                     applyMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
 238                     applyMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
 239                     [applyMetadataObjectRequest startAsynchronous];
 240                 }
 241             } else {
 242                 [[pithosNodeInfoController window] makeFirstResponder:nil];
 243                 applyMetadataObjectRequest = [[ASIPithosObjectRequest updateObjectMetadataRequestWithContainerName:pithosContainer.name
 244                                                                                                         objectName:pithosObject.name
 245                                                                                                    contentEncoding:pithosObject.contentEncoding
 246                                                                                                 contentDisposition:pithosObject.contentDisposition
 247                                                                                                           manifest:pithosObject.manifest
 248                                                                                                            sharing:pithosObject.sharing
 249                                                                                                           isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse)
 250                                                                                                           metadata:pithosObject.metadata
 251                                                                                                             update:NO] retain];
 252                 applyMetadataObjectRequest.delegate = self;
 253                 applyMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
 254                 applyMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
 255                 [applyMetadataObjectRequest startAsynchronous];
 256             }
 257         }
 258     }
 259 }
 260
 261 - (void)refreshInfo {
 262     @synchronized(self) {
 263         if (pithosObject.subdir) {
 264             self.pithosObject = [ASIPithosObject subdirWithName:pithosObject.name];
 265         } else if (refreshMetadataObjectRequest == nil) {
 266             refreshMetadataObjectRequest = [[ASIPithosObjectRequest objectMetadataRequestWithContainerName:pithosContainer.name
 267                                                                                                 objectName:prefix] retain];
 268             refreshMetadataObjectRequest.delegate = self;
 269             refreshMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
 270             refreshMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
 271             refreshMetadataObjectRequest.downloadCache = [ASIDownloadCache sharedCache];
 272             [refreshMetadataObjectRequest startAsynchronous];
 273         }
 274     }
 275 }
 276
 277 #pragma mark -
 278 #pragma mark Actions
 279
 280 - (void)showPithosNodeInfo:(id)sender {
 281     if (!pithosNodeInfoController)
 282         pithosNodeInfoController = [[PithosObjectNodeInfoController alloc] initWithPithosNode:self];
 283     [pithosNodeInfoController showWindow:sender];
 284     [[pithosNodeInfoController window] makeKeyAndOrderFront:sender];
 285     [NSApp activateIgnoringOtherApps:YES];
 286 }
 287
 288 @end