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 "PithosUtilities.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 %@/%@/%@%@",
  86                (sharingAccount ? [ASIPithosRequest storageURLWithAuthUser:sharingAccount] : [ASIPithosRequest storageURL]),
  87                pithosContainer.name,
  88                prefix,
  89                (shared ? @"?shared" : @"")];
  90     return url;
  91 }
  92
  93 - (NSString *)displayName {
  94     if (displayName == nil) {
  95         displayName = [pithosObject.name lastPathComponent];
  96         if (!pithosObject.subdir && [pithosObject.name hasSuffix:@"/"])
  97             displayName = [displayName stringByAppendingString:@"/"];
  98         [displayName retain];
  99     }
 100     return [[displayName copy] autorelease];
 101 }
 102
 103 - (void)setDisplayName:(NSString *)aDisplayName {
 104 }
 105
 106 - (NSImage *)icon {
 107     if (icon == nil)
 108         icon = [sharedIcon retain];
 109     return icon;
 110 }
 111
 112 - (void)setPithosObject:(ASIPithosObject *)aPithosObject {
 113     if (![pithosObject isEqualTo:aPithosObject]) {
 114         [pithosObject release];
 115         pithosObject = [aPithosObject retain];
 116     }
 117     if (pithosObject.subdir) {
 118         self.prefix = [pithosObject.name substringToIndex:([pithosObject.name length] - 1)];
 119     } else {
 120         self.prefix = [NSString stringWithString:pithosObject.name];
 121     }
 122     self.isPublic = (pithosObject.publicURI != nil);
 123     // Refresh browser if the object is in my shared and is no longer shared
 124     if (shared && !pithosObject.subdir && !pithosObject.sharing) {
 125         [[NSNotificationCenter defaultCenter] postNotificationName:@"PithosBrowserRefreshNeeeded" object:self];
 126     }
 127 }
 128
 129 #pragma mark -
 130 #pragma mark ASIHTTPRequestDelegate
 131
 132 - (void)objectRequestFinished:(ASIPithosObjectRequest *)request {
 133     NSLog(@"URL: %@", [request url]);
 134     NSLog(@"cached: %d", [request didUseCachedResponse]);
 135
 136     if ([request isEqualTo:applyMetadataObjectRequest]) {
 137         int responseStatusCode = applyMetadataObjectRequest.responseStatusCode;
 138         if ((responseStatusCode != 201) && (responseStatusCode != 202))
 139             [PithosUtilities unexpectedResponseStatusAlertWithRequest:applyMetadataObjectRequest];
 140         @synchronized(self) {
 141             [applyMetadataObjectRequest release];
 142             applyMetadataObjectRequest = nil;
 143         }
 144         if ((responseStatusCode == 201) || (responseStatusCode == 202))
 145             [self refreshInfo];
 146     } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
 147         [[pithosNodeInfoController window] makeFirstResponder:nil];
 148         self.pithosObject = [refreshMetadataObjectRequest object];
 149         if (refreshParent) {
 150             // Ask the parent for refresh for the case where an object was removed
 151             // It is done here so that it doesn't affect the info window refresh
 152             [parent refresh];
 153             refreshParent = NO;
 154         }
 155         @synchronized(self) {
 156             [refreshMetadataObjectRequest release];
 157             refreshMetadataObjectRequest = nil;
 158         }
 159     }
 160 }
 161
 162 - (void)objectRequestFailed:(ASIPithosObjectRequest *)request {
 163     if ([request isEqualTo:applyMetadataObjectRequest]) {
 164         [PithosUtilities httpRequestErrorAlertWithRequest:applyMetadataObjectRequest];
 165         @synchronized(self) {
 166             [applyMetadataObjectRequest release];
 167             applyMetadataObjectRequest = nil;
 168         }
 169     } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
 170         [PithosUtilities httpRequestErrorAlertWithRequest:refreshMetadataObjectRequest];
 171         @synchronized(self) {
 172             [refreshMetadataObjectRequest release];
 173             refreshMetadataObjectRequest = nil;
 174         }
 175     }
 176 }
 177
 178 #pragma mark -
 179 #pragma mark Info
 180
 181 - (void)applyInfo {
 182     @synchronized(self) {
 183         if (applyMetadataObjectRequest == nil) {
 184             if (pithosObject.subdir) {
 185                 BOOL createObject = NO;
 186                 NSAlert *alert;
 187                 ASIPithosObjectRequest *request = [ASIPithosObjectRequest objectMetadataRequestWithContainerName:pithosContainer.name
 188                                                                                                       objectName:prefix];
 189                 [[PithosUtilities prepareRequest:request] startAsynchronous];
 190                 while (![request isFinished]) {
 191                     usleep(1);
 192                 }
 193                 if ([request error]) {
 194                     alert = [[[NSAlert alloc] init] autorelease];
 195                     [alert setMessageText:@"HTTP Request Error"];
 196                     [alert setInformativeText:[NSString stringWithFormat:@"An error occured: %@", [request error]]];
 197                     [alert addButtonWithTitle:@"OK"];
 198                     [alert runModal];
 199                     return;
 200                 } else if (request.responseStatusCode == 200) {
 201                     alert = [[[NSAlert alloc] init] autorelease];
 202                     [alert setMessageText:@"Apply changes"];
 203                     [alert setInformativeText:[NSString stringWithFormat:@"In order to apply the changes in '%@', the object at the same path must be replaced. Continue?", self.displayName]];
 204                     [alert addButtonWithTitle:@"OK"];
 205                     [alert addButtonWithTitle:@"Cancel"];
 206                     NSInteger choice = [alert runModal];
 207                     if (choice == NSAlertFirstButtonReturn) {
 208                         request = [ASIPithosObjectRequest deleteObjectRequestWithContainerName:pithosContainer.name
 209                                                                                        objectName:prefix];
 210                         [[PithosUtilities prepareRequest:request] startAsynchronous];
 211                         while (![request isFinished]) {
 212                             usleep(1);
 213                         }
 214                         if ([request error]) {
 215                             alert = [[[NSAlert alloc] init] autorelease];
 216                             [alert setMessageText:@"HTTP Request Error"];
 217                             [alert setInformativeText:[NSString stringWithFormat:@"An error occured: %@", [request error]]];
 218                             [alert addButtonWithTitle:@"OK"];
 219                             [alert runModal];
 220                             return;
 221                         } else if (request.responseStatusCode != 204) {
 222                             [PithosUtilities unexpectedResponseStatusAlertWithRequest:request];
 223                             return;
 224                         }
 225                         refreshParent = YES;
 226                         createObject = YES;
 227                     } else {
 228                         return;
 229                     }
 230                 } else if (request.responseStatusCode == 404) {
 231                     createObject = YES;
 232                 } else {
 233                     [PithosUtilities unexpectedResponseStatusAlertWithRequest:request];
 234                     return;
 235                 }
 236                 if (createObject) {
 237                     [[pithosNodeInfoController window] makeFirstResponder:nil];
 238                     applyMetadataObjectRequest = [[ASIPithosObjectRequest writeObjectDataRequestWithContainerName:pithosContainer.name
 239                                                                                                        objectName:prefix
 240                                                                                                              eTag:nil
 241                                                                                                       contentType:@"application/directory"
 242                                                                                                   contentEncoding:pithosObject.contentEncoding
 243                                                                                                contentDisposition:pithosObject.contentDisposition
 244                                                                                                          manifest:pithosObject.manifest
 245                                                                                                           sharing:pithosObject.sharing
 246                                                                                                          isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse)
 247                                                                                                          metadata:pithosObject.metadata
 248                                                                                                              data:[NSData data]] retain];
 249                     pithosObject.subdir = NO;
 250                     applyMetadataObjectRequest.delegate = self;
 251                     applyMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
 252                     applyMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
 253                     [[PithosUtilities prepareRequest:applyMetadataObjectRequest priority:NSOperationQueuePriorityHigh] startAsynchronous];
 254                 }
 255             } else {
 256                 [[pithosNodeInfoController window] makeFirstResponder:nil];
 257                 if (sharingAccount) {
 258                     applyMetadataObjectRequest = [[ASIPithosObjectRequest updateObjectMetadataRequestWithContainerName:pithosContainer.name
 259                                                                                                             objectName:pithosObject.name
 260                                                                                                        contentEncoding:nil
 261                                                                                                     contentDisposition:nil
 262                                                                                                               manifest:nil
 263                                                                                                                sharing:nil
 264                                                                                                               isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse)
 265                                                                                                               metadata:pithosObject.metadata
 266                                                                                                                 update:NO] retain];
 267                     [applyMetadataObjectRequest setRequestUserFromDefaultTo:sharingAccount];
 268                 } else {
 269                     applyMetadataObjectRequest = [[ASIPithosObjectRequest updateObjectMetadataRequestWithContainerName:pithosContainer.name
 270                                                                                                             objectName:pithosObject.name
 271                                                                                                        contentEncoding:pithosObject.contentEncoding
 272                                                                                                     contentDisposition:pithosObject.contentDisposition
 273                                                                                                               manifest:pithosObject.manifest
 274                                                                                                                sharing:(pithosObject.sharing ? pithosObject.sharing : @"")
 275                                                                                                               isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse)
 276                                                                                                               metadata:pithosObject.metadata
 277                                                                                                                 update:NO] retain];
 278                 }
 279                 applyMetadataObjectRequest.delegate = self;
 280                 applyMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
 281                 applyMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
 282                 [[PithosUtilities prepareRequest:applyMetadataObjectRequest priority:NSOperationQueuePriorityHigh] startAsynchronous];
 283             }
 284         }
 285     }
 286 }
 287
 288 - (void)refreshInfo {
 289     @synchronized(self) {
 290         if (pithosObject.subdir) {
 291             self.pithosObject = [ASIPithosObject subdirWithName:pithosObject.name];
 292         } else if (refreshMetadataObjectRequest == nil) {
 293             refreshMetadataObjectRequest = [[ASIPithosObjectRequest objectMetadataRequestWithContainerName:pithosContainer.name
 294                                                                                                 objectName:prefix] retain];
 295             if (sharingAccount)
 296                 [refreshMetadataObjectRequest setRequestUserFromDefaultTo:sharingAccount];
 297             refreshMetadataObjectRequest.delegate = self;
 298             refreshMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
 299             refreshMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
 300             refreshMetadataObjectRequest.downloadCache = [ASIDownloadCache sharedCache];
 301             [[PithosUtilities prepareRequest:refreshMetadataObjectRequest priority:NSOperationQueuePriorityHigh] startAsynchronous];
 302         }
 303     }
 304 }
 305
 306 #pragma mark -
 307 #pragma mark Actions
 308
 309 - (void)showPithosNodeInfo:(id)sender {
 310     if (!pithosNodeInfoController)
 311         pithosNodeInfoController = [[PithosObjectNodeInfoController alloc] initWithPithosNode:self];
 312     [pithosNodeInfoController showWindow:sender];
 313     [[pithosNodeInfoController window] makeKeyAndOrderFront:sender];
 314     [NSApp activateIgnoringOtherApps:YES];
 315 }
 316
 317 @end