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

   1 //
   2 //  PithosSubdirNode.m
   3 //  pithos-macos
   4 //
   5 // Copyright 2011-2012 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 "ASIPithos.h"
  41 #import "ASIPithosObjectRequest.h"
  42 #import "ASIPithosContainer.h"
  43 #import "ASIPithosObject.h"
  44 #import "ASINetworkQueue.h"
  45 #import "ASIDownloadCache.h"
  46 #import "PithosUtilities.h"
  47 #import "PithosObjectNodeInfoController.h"
  48
  49 static NSImage *sharedIcon = nil;
  50
  51 @implementation PithosSubdirNode
  52 @synthesize pithosObject;
  53 @synthesize isPublic;
  54
  55 + (void)initialize {
  56         if (self == [PithosSubdirNode class])
  57         sharedIcon = [[[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kGenericFolderIcon)] retain];
  58 }
  59
  60 #pragma mark -
  61 #pragma mark Object Lifecycle
  62
  63 - (id)initWithPithos:(ASIPithos *)aPithos
  64      pithosContainer:(ASIPithosContainer *)aPithosContainer
  65         pithosObject:(ASIPithosObject *)aPithosObject {
  66     if ((self = [super init])) {
  67         self.pithos = aPithos;
  68         self.pithosContainer = aPithosContainer;
  69         self.pithosObject = aPithosObject;
  70         childrenUpdatedNotificationName = @"PithosSubdirNodeChildrenUpdated";
  71         refreshParent = NO;
  72     }
  73     return self;
  74 }
  75
  76 - (void)dealloc {
  77     [refreshMetadataObjectRequest clearDelegatesAndCancel];
  78     [refreshMetadataObjectRequest release];
  79     [applyMetadataObjectRequest clearDelegatesAndCancel];
  80     [applyMetadataObjectRequest release];
  81     [pithosObject release];
  82     [super dealloc];
  83 }
  84
  85 #pragma mark -
  86 #pragma mark Properties
  87
  88 - (void)setPithos:(ASIPithos *)aPithos {
  89     if (aPithos && ![aPithos isEqualTo:pithos]) {
  90         [pithos release];
  91         pithos = [aPithos retain];
  92         [url release];
  93         url = nil;
  94     }
  95 }
  96
  97 - (NSString *)url {
  98     if (url == nil)
  99         url = [[NSString alloc] initWithFormat:@"subdir %@/%@/%@%@",
 100                (sharingAccount ? [pithos storageURLWithAuthUser:sharingAccount] : pithos.storageURL),
 101                pithosContainer.name,
 102                prefix,
 103                (shared ? @"?shared" : @"")];
 104     return url;
 105 }
 106
 107 - (NSString *)displayName {
 108     if (displayName == nil) {
 109         displayName = [pithosObject.name lastPathComponent];
 110         if (!pithosObject.subdir && [pithosObject.name hasSuffix:@"/"])
 111             displayName = [displayName stringByAppendingString:@"/"];
 112         [displayName retain];
 113     }
 114     return [[displayName copy] autorelease];
 115 }
 116
 117 - (void)setDisplayName:(NSString *)aDisplayName {
 118 }
 119
 120 - (NSImage *)icon {
 121     if (icon == nil)
 122         icon = [sharedIcon retain];
 123     return icon;
 124 }
 125
 126 - (void)setPithosObject:(ASIPithosObject *)aPithosObject {
 127     if (![pithosObject isEqualTo:aPithosObject]) {
 128         [pithosObject release];
 129         pithosObject = [aPithosObject retain];
 130     }
 131     if (pithosObject.subdir) {
 132         self.prefix = [pithosObject.name substringToIndex:([pithosObject.name length] - 1)];
 133     } else {
 134         self.prefix = [NSString stringWithString:pithosObject.name];
 135     }
 136     self.isPublic = (pithosObject.publicURI != nil);
 137     // Refresh browser if the object is in my shared and is no longer shared
 138     if (shared && !pithosObject.subdir && !pithosObject.sharing) {
 139         [[NSNotificationCenter defaultCenter] postNotificationName:@"PithosBrowserRefreshNeeeded" object:self];
 140     }
 141 }
 142
 143 #pragma mark -
 144 #pragma mark ASIHTTPRequestDelegate
 145
 146 - (void)objectRequestFinished:(ASIPithosObjectRequest *)request {
 147     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 148     NSLog(@"URL: %@", [request url]);
 149     NSLog(@"cached: %d", [request didUseCachedResponse]);
 150
 151     if ([request isEqualTo:applyMetadataObjectRequest]) {
 152         int responseStatusCode = applyMetadataObjectRequest.responseStatusCode;
 153         if ((responseStatusCode != 201) && (responseStatusCode != 202))
 154             [PithosUtilities unexpectedResponseStatusAlertWithRequest:applyMetadataObjectRequest];
 155         @synchronized(self) {
 156             [applyMetadataObjectRequest release];
 157             applyMetadataObjectRequest = nil;
 158         }
 159         if ((responseStatusCode == 201) || (responseStatusCode == 202))
 160             [self refreshInfo];
 161     } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
 162         [[pithosNodeInfoController window] makeFirstResponder:nil];
 163         self.pithosObject = [refreshMetadataObjectRequest object];
 164         if (refreshParent) {
 165             // Ask the parent for refresh for the case where an object was removed
 166             // It is done here so that it doesn't affect the info window refresh
 167             [parent refresh];
 168             refreshParent = NO;
 169         }
 170         @synchronized(self) {
 171             [refreshMetadataObjectRequest release];
 172             refreshMetadataObjectRequest = nil;
 173         }
 174     }
 175     [pool drain];
 176 }
 177
 178 - (void)objectRequestFailed:(ASIPithosObjectRequest *)request {
 179     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 180     NSUInteger retries = [[request.userInfo objectForKey:@"retries"] unsignedIntegerValue];
 181     if (retries > 0) {
 182         ASIPithosObjectRequest *newRequest = (ASIPithosObjectRequest *)[PithosUtilities copyRequest:request];
 183         [(NSMutableDictionary *)(newRequest.userInfo)setObject:[NSNumber numberWithUnsignedInteger:(--retries)] forKey:@"retries"];
 184         if ([request isEqualTo:applyMetadataObjectRequest]) {
 185             @synchronized(self) {
 186                 [applyMetadataObjectRequest release];
 187                 applyMetadataObjectRequest = newRequest;
 188             }
 189         } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
 190             @synchronized(self) {
 191                 [refreshMetadataObjectRequest release];
 192                 refreshMetadataObjectRequest = newRequest;
 193             }
 194         }
 195         [[PithosUtilities prepareRequest:newRequest priority:[[newRequest.userInfo objectForKey:@"priority"] integerValue]] startAsynchronous];
 196     } else {
 197         if ([request isEqualTo:applyMetadataObjectRequest]) {
 198             dispatch_async(dispatch_get_main_queue(), ^{
 199                 [PithosUtilities httpRequestErrorAlertWithRequest:applyMetadataObjectRequest];
 200             });
 201             @synchronized(self) {
 202                 [applyMetadataObjectRequest release];
 203                 applyMetadataObjectRequest = nil;
 204             }
 205         } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
 206             dispatch_async(dispatch_get_main_queue(), ^{
 207                 [PithosUtilities httpRequestErrorAlertWithRequest:refreshMetadataObjectRequest];
 208             });
 209             @synchronized(self) {
 210                 [refreshMetadataObjectRequest release];
 211                 refreshMetadataObjectRequest = nil;
 212             }
 213         }
 214     }
 215     [pool drain];
 216 }
 217
 218 #pragma mark -
 219 #pragma mark Info
 220
 221 - (void)applyInfo {
 222     @synchronized(self) {
 223         if (applyMetadataObjectRequest == nil) {
 224             if (pithosObject.subdir) {
 225                 BOOL createObject = NO;
 226                 NSAlert *alert;
 227                 ASIPithosObjectRequest *request = [ASIPithosObjectRequest objectMetadataRequestWithPithos:pithos
 228                                                                                             containerName:pithosContainer.name
 229                                                                                                objectName:prefix];
 230                 ASINetworkQueue *networkQueue = [ASINetworkQueue queue];
 231                 [networkQueue go];
 232                 [networkQueue addOperations:[NSArray arrayWithObject:[PithosUtilities prepareRequest:request]] waitUntilFinished:YES];
 233                 if ([request error]) {
 234                     alert = [[[NSAlert alloc] init] autorelease];
 235                     [alert setMessageText:@"HTTP Request Error"];
 236                     [alert setInformativeText:[NSString stringWithFormat:@"An error occured: %@", [request error]]];
 237                     [alert addButtonWithTitle:@"OK"];
 238                     [alert runModal];
 239                     return;
 240                 } else if (request.responseStatusCode == 200) {
 241                     alert = [[[NSAlert alloc] init] autorelease];
 242                     [alert setMessageText:@"Apply changes"];
 243                     [alert setInformativeText:[NSString stringWithFormat:@"In order to apply the changes in '%@', the object at the same path must be replaced. Continue?", self.displayName]];
 244                     [alert addButtonWithTitle:@"OK"];
 245                     [alert addButtonWithTitle:@"Cancel"];
 246                     NSInteger choice = [alert runModal];
 247                     if (choice == NSAlertFirstButtonReturn) {
 248                         request = [ASIPithosObjectRequest deleteObjectRequestWithPithos:pithos
 249                                                                           containerName:pithosContainer.name
 250                                                                              objectName:prefix];
 251                         ASINetworkQueue *networkQueue = [ASINetworkQueue queue];
 252                         [networkQueue go];
 253                         [networkQueue addOperations:[NSArray arrayWithObject:[PithosUtilities prepareRequest:request]] waitUntilFinished:YES];
 254                         if ([request error]) {
 255                             alert = [[[NSAlert alloc] init] autorelease];
 256                             [alert setMessageText:@"HTTP Request Error"];
 257                             [alert setInformativeText:[NSString stringWithFormat:@"An error occured: %@", [request error]]];
 258                             [alert addButtonWithTitle:@"OK"];
 259                             [alert runModal];
 260                             return;
 261                         } else if (request.responseStatusCode != 204) {
 262                             [PithosUtilities unexpectedResponseStatusAlertWithRequest:request];
 263                             return;
 264                         }
 265                         refreshParent = YES;
 266                         createObject = YES;
 267                     } else {
 268                         return;
 269                     }
 270                 } else if (request.responseStatusCode == 404) {
 271                     createObject = YES;
 272                 } else {
 273                     [PithosUtilities unexpectedResponseStatusAlertWithRequest:request];
 274                     return;
 275                 }
 276                 if (createObject) {
 277                     [[pithosNodeInfoController window] makeFirstResponder:nil];
 278                     applyMetadataObjectRequest = [[ASIPithosObjectRequest writeObjectDataRequestWithPithos:pithos
 279                                                                                              containerName:pithosContainer.name
 280                                                                                                 objectName:prefix
 281                                                                                                       eTag:nil
 282                                                                                                contentType:@"application/directory"
 283                                                                                            contentEncoding:pithosObject.contentEncoding
 284                                                                                         contentDisposition:pithosObject.contentDisposition
 285                                                                                                   manifest:pithosObject.manifest
 286                                                                                                    sharing:pithosObject.sharing
 287                                                                                                   isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse)
 288                                                                                                   metadata:pithosObject.metadata
 289                                                                                                       data:[NSData data]] retain];
 290                     pithosObject.subdir = NO;
 291                     applyMetadataObjectRequest.delegate = self;
 292                     applyMetadataObjectRequest.didFinishSelector = @selector(performRequestFinishedDelegateInBackground:);
 293                     applyMetadataObjectRequest.didFailSelector = @selector(performRequestFailedDelegateInBackground:);
 294                     applyMetadataObjectRequest.userInfo = [NSMutableDictionary dictionaryWithObjectsAndKeys:
 295                                                            [NSNumber numberWithInteger:NSOperationQueuePriorityHigh], @"priority",
 296                                                            [NSNumber numberWithUnsignedInteger:10], @"retries",
 297                                                            NSStringFromSelector(@selector(objectRequestFinished:)), @"didFinishSelector",
 298                                                            NSStringFromSelector(@selector(objectRequestFailed:)), @"didFailSelector",
 299                                                            nil];
 300                     [[PithosUtilities prepareRequest:applyMetadataObjectRequest priority:NSOperationQueuePriorityHigh] startAsynchronous];
 301                 }
 302             } else {
 303                 [[pithosNodeInfoController window] makeFirstResponder:nil];
 304                 if (sharingAccount) {
 305                     applyMetadataObjectRequest = [[ASIPithosObjectRequest updateObjectMetadataRequestWithPithos:pithos
 306                                                                                                   containerName:pithosContainer.name
 307                                                                                                      objectName:pithosObject.name
 308                                                                                                 contentEncoding:nil
 309                                                                                              contentDisposition:nil
 310                                                                                                        manifest:nil
 311                                                                                                         sharing:nil
 312                                                                                                        isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse)
 313                                                                                                        metadata:pithosObject.metadata
 314                                                                                                          update:NO] retain];
 315                     [applyMetadataObjectRequest setRequestUserFromDefaultTo:sharingAccount withPithos:pithos];
 316                 } else {
 317                     applyMetadataObjectRequest = [[ASIPithosObjectRequest updateObjectMetadataRequestWithPithos:pithos
 318                                                                                                   containerName:pithosContainer.name
 319                                                                                                      objectName:pithosObject.name
 320                                                                                                 contentEncoding:pithosObject.contentEncoding
 321                                                                                              contentDisposition:pithosObject.contentDisposition
 322                                                                                                        manifest:pithosObject.manifest
 323                                                                                                         sharing:(pithosObject.sharing ? pithosObject.sharing : @"")
 324                                                                                                        isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse)
 325                                                                                                        metadata:pithosObject.metadata
 326                                                                                                          update:NO] retain];
 327                 }
 328                 applyMetadataObjectRequest.delegate = self;
 329                 applyMetadataObjectRequest.didFinishSelector = @selector(performRequestFinishedDelegateInBackground:);
 330                 applyMetadataObjectRequest.didFailSelector = @selector(performRequestFailedDelegateInBackground:);
 331                 applyMetadataObjectRequest.userInfo = [NSMutableDictionary dictionaryWithObjectsAndKeys:
 332                                                        [NSNumber numberWithInteger:NSOperationQueuePriorityHigh], @"priority",
 333                                                        [NSNumber numberWithUnsignedInteger:10], @"retries",
 334                                                        NSStringFromSelector(@selector(objectRequestFinished:)), @"didFinishSelector",
 335                                                        NSStringFromSelector(@selector(objectRequestFailed:)), @"didFailSelector",
 336                                                        nil];
 337                 [[PithosUtilities prepareRequest:applyMetadataObjectRequest priority:NSOperationQueuePriorityHigh] startAsynchronous];
 338             }
 339         }
 340     }
 341 }
 342
 343 - (void)refreshInfo {
 344     @synchronized(self) {
 345         if (pithosObject.subdir) {
 346             self.pithosObject = [ASIPithosObject subdirWithName:pithosObject.name];
 347         } else if (refreshMetadataObjectRequest == nil) {
 348             refreshMetadataObjectRequest = [[ASIPithosObjectRequest objectMetadataRequestWithPithos:pithos
 349                                                                                       containerName:pithosContainer.name
 350                                                                                          objectName:prefix] retain];
 351             if (sharingAccount)
 352                 [refreshMetadataObjectRequest setRequestUserFromDefaultTo:sharingAccount withPithos:pithos];
 353             refreshMetadataObjectRequest.delegate = self;
 354             refreshMetadataObjectRequest.didFinishSelector = @selector(performRequestFinishedDelegateInBackground:);
 355             refreshMetadataObjectRequest.didFailSelector = @selector(performRequestFailedDelegateInBackground:);
 356             refreshMetadataObjectRequest.userInfo = [NSMutableDictionary dictionaryWithObjectsAndKeys:
 357                                                      [NSNumber numberWithInteger:NSOperationQueuePriorityHigh], @"priority",
 358                                                      [NSNumber numberWithUnsignedInteger:10], @"retries",
 359                                                      NSStringFromSelector(@selector(objectRequestFinished:)), @"didFinishSelector",
 360                                                      NSStringFromSelector(@selector(objectRequestFailed:)), @"didFailSelector",
 361                                                      nil];
 362             refreshMetadataObjectRequest.downloadCache = [ASIDownloadCache sharedCache];
 363             [[PithosUtilities prepareRequest:refreshMetadataObjectRequest priority:NSOperationQueuePriorityHigh] startAsynchronous];
 364         }
 365     }
 366 }
 367
 368 #pragma mark -
 369 #pragma mark Actions
 370
 371 - (void)showPithosNodeInfo:(id)sender {
 372     if (!pithosNodeInfoController)
 373         pithosNodeInfoController = [[PithosObjectNodeInfoController alloc] initWithPithosNode:self];
 374     [pithosNodeInfoController showWindow:sender];
 375     [[pithosNodeInfoController window] makeKeyAndOrderFront:sender];
 376     [NSApp activateIgnoringOtherApps:YES];
 377 }
 378
 379 @end