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

   1 //
   2 //  PithosBrowserController.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 "PithosBrowserController.h"
  39 #import "PithosNode.h"
  40 #import "PithosAccountNode.h"
  41 #import "PithosContainerNode.h"
  42 #import "PithosSubdirNode.h"
  43 #import "PithosObjectNode.h"
  44 #import "PithosEmptyNode.h"
  45 #import "ImageAndTextCell.h"
  46 #import "FileSystemBrowserCell.h"
  47 #import "ASIPithosRequest.h"
  48 #import "ASIPithosContainerRequest.h"
  49 #import "ASIPithosObjectRequest.h"
  50 #import "ASIPithosContainer.h"
  51 #import "ASIPithosObject.h"
  52 #import "PithosFileUtilities.h"
  53
  54 //@interface PithosBrowserCell : NSBrowserCell {}
  55 @interface PithosBrowserCell : FileSystemBrowserCell {}
  56 @end
  57
  58 @implementation PithosBrowserCell
  59
  60 - (id)init {
  61     if ((self = [super init])) {
  62         [self setLineBreakMode:NSLineBreakByTruncatingMiddle];
  63     }
  64     return self;
  65 }
  66
  67 - (void)setObjectValue:(id)object {
  68     if ([object isKindOfClass:[PithosNode class]]) {
  69         PithosNode *node = (PithosNode *)object;
  70         [self setStringValue:node.displayName];
  71         [self setImage:node.icon];
  72 //        // All cells are set as leafs because a branchingImage is already set!
  73 //        // Maybe this cell is already inside an NSBrowserCell
  74 //        [self setLeaf:YES];
  75     } else {
  76         [super setObjectValue:object];
  77     }
  78 }
  79
  80 @end
  81
  82 @interface PithosOutlineViewCell : ImageAndTextCell {}
  83 @end
  84
  85 @implementation PithosOutlineViewCell
  86
  87 - (void)setObjectValue:(id)object {
  88     if ([object isKindOfClass:[PithosNode class]]) {
  89         PithosNode *node = (PithosNode *)object;
  90         [self setStringValue:node.displayName];
  91         [self setImage:node.icon];
  92         [self setEditable:NO];
  93     } else {
  94         [super setObjectValue:object];
  95     }
  96 }
  97
  98 @end
  99
 100 @interface PithosBrowserController (Private) {}
 101 - (void)resetContainers;
 102 - (void)getInfo:(NSMenuItem *)sender;
 103 - (void)downloadObjectFinished:(ASIPithosObjectRequest *)objectRequest;
 104 - (void)downloadObjectFailed:(ASIPithosObjectRequest *)objectRequest;
 105 - (void)uploadObjectUsingHashMapFinished:(ASIPithosObjectRequest *)objectRequest;
 106 - (void)uploadObjectUsingHashMapFailed:(ASIPithosObjectRequest *)objectRequest;
 107 - (void)uploadMissingHashesFinished:(ASIPithosObjectRequest *)objectRequest;
 108 - (void)uploadMissingHashesFailed:(ASIPithosObjectRequest *)objectRequest;
 109 @end
 110
 111 @implementation PithosBrowserController
 112 @synthesize outlineViewDataSourceArray, splitView, outlineView, browser;
 113
 114 #pragma mark -
 115 #pragma Object Lifecycle
 116
 117 - (id)init {
 118     return [super initWithWindowNibName:@"PithosBrowserController"];
 119 }
 120
 121 - (void)dealloc {
 122     [[NSNotificationCenter defaultCenter] removeObserver:self];
 123     [browserMenu release];
 124     [sharedPreviewController release];
 125     [outlineViewDataSourceArray release];
 126     [accountNode release];
 127     [rootNode release];
 128     [super dealloc];
 129 }
 130
 131 - (void)awakeFromNib {
 132     [super awakeFromNib];
 133
 134     [browser registerForDraggedTypes:[NSArray arrayWithObject:NSFilenamesPboardType]];
 135     [browser setDraggingSourceOperationMask:NSDragOperationNone forLocal:YES];
 136     [browser setDraggingSourceOperationMask:NSDragOperationCopy forLocal:NO];
 137
 138     [browser setCellClass:[PithosBrowserCell class]];
 139
 140     browserMenu = [[NSMenu alloc] init];
 141     [browserMenu setDelegate:self];
 142     [browser setMenu:browserMenu];
 143 }
 144
 145 - (void)resetContainers {
 146     rootNode = nil;
 147     [browser loadColumnZero];
 148     self.outlineViewDataSourceArray = nil;
 149
 150     // Create the outlineView tree
 151     // CONTAINERS
 152         NSTreeNode *containersTreeNode = [NSTreeNode treeNodeWithRepresentedObject:
 153                             [[[PithosEmptyNode alloc] initWithDisplayName:@"CONTAINERS" icon:nil] autorelease]];
 154 //    // CONTAINERS/pithos
 155 //      [[containersTreeNode mutableChildNodes] addObject:
 156 //     [NSTreeNode treeNodeWithRepresentedObject:
 157 //      [[[PithosContainerNode alloc] initWithContainerName:@"pithos"
 158 //                                                     icon:[[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kToolbarHomeIcon)]
 159 //        ] autorelease]]];
 160 //    // CONTAINERS/trash
 161 //      [[containersTreeNode mutableChildNodes] addObject:
 162 //     [NSTreeNode treeNodeWithRepresentedObject:
 163 //      [[[PithosContainerNode alloc] initWithContainerName:@"trash"
 164 //                                                     icon:[[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kFullTrashIcon)]
 165 //        ] autorelease]]];
 166     // SHARED
 167         NSTreeNode *sharedTreeNode = [NSTreeNode treeNodeWithRepresentedObject:
 168                                       [[[PithosEmptyNode alloc] initWithDisplayName:@"SHARED" icon:nil] autorelease]];
 169     // SHARED/my shared
 170         [[sharedTreeNode mutableChildNodes] addObject:
 171      [NSTreeNode treeNodeWithRepresentedObject:
 172       [[[PithosEmptyNode alloc] initWithDisplayName:@"my shared"
 173                                                icon:[[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kUserIcon)]
 174         ] autorelease]]];
 175     // SHARED/others shared
 176         [[sharedTreeNode mutableChildNodes] addObject:
 177      [NSTreeNode treeNodeWithRepresentedObject:
 178       [[[PithosEmptyNode alloc] initWithDisplayName:@"others shared"
 179                                                icon:[[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kGroupIcon)]
 180         ] autorelease]]];
 181
 182     self.outlineViewDataSourceArray = [NSMutableArray arrayWithObjects:containersTreeNode, sharedTreeNode, nil];
 183
 184         // Expand the folder outline view
 185     [outlineView expandItem:nil expandChildren:YES];
 186         [outlineView selectRowIndexes:[NSIndexSet indexSetWithIndex:1] byExtendingSelection:NO];
 187
 188     // Create accountNode and trigger a refresh
 189     accountNode = [[PithosAccountNode alloc] init];
 190     accountNode.children;
 191 }
 192
 193 - (void)windowDidLoad {
 194     [super windowDidLoad];
 195
 196     [[[outlineView tableColumns] objectAtIndex:0] setDataCell:[[[PithosOutlineViewCell alloc] init] autorelease]];
 197
 198     // Register for updates
 199     [[NSNotificationCenter defaultCenter] addObserver:self
 200                                              selector:@selector(pithosNodeChildrenUpdated:)
 201                                                  name:@"PithosContainerNodeChildrenUpdated"
 202                                                object:nil];
 203     [[NSNotificationCenter defaultCenter] addObserver:self
 204                                              selector:@selector(pithosNodeChildrenUpdated:)
 205                                                  name:@"PithosSubdirNodeChildrenUpdated"
 206                                                object:nil];
 207     [[NSNotificationCenter defaultCenter] addObserver:self
 208                                              selector:@selector(pithosAccountNodeChildrenUpdated:)
 209                                                  name:@"PithosAccountNodeChildrenUpdated"
 210                                                object:nil];
 211     [[NSNotificationCenter defaultCenter] addObserver:self
 212                                              selector:@selector(resetContainers)
 213                                                  name:@"PithosAuthenticationCredentialsUpdated"
 214                                                object:nil];
 215 }
 216
 217 #pragma mark -
 218 #pragma Observers
 219
 220 - (void)pithosNodeChildrenUpdated:(NSNotification *)notification {
 221     PithosNode *node = (PithosNode *)[notification object];
 222     NSInteger lastColumn = [browser lastColumn];
 223     for (NSInteger column = lastColumn; column >= 0; column--) {
 224         if ([[browser parentForItemsInColumn:column] isEqualTo:node]) {
 225             [browser reloadColumn:column];
 226             if ((column == lastColumn - 1) && ([[browser parentForItemsInColumn:lastColumn] isLeafItem])) {
 227                 // This reloads the preview column
 228                 [browser setLastColumn:column];
 229                 [browser addColumn];
 230             }
 231             return;
 232         }
 233     }
 234 }
 235
 236 - (void)pithosAccountNodeChildrenUpdated:(NSNotification *)notification {
 237     BOOL containerPithosFound = NO;
 238     BOOL containerTrashFound = NO;
 239     //NSMutableArray *containersTreeNodeChildren = [[outlineViewDataSourceArray objectAtIndex:0] mutableChildNodes];
 240     NSMutableArray *containersTreeNodeChildren = [NSMutableArray array];
 241     for (PithosContainerNode *containerNode in accountNode.children) {
 242         if ([containerNode.pithosContainer.name isEqualToString:@"pithos"]) {
 243             containerNode.icon = [[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kToolbarHomeIcon)];
 244             [containersTreeNodeChildren insertObject:[NSTreeNode treeNodeWithRepresentedObject:containerNode] atIndex:0];
 245             containerPithosFound = YES;
 246         } else if ([containerNode.pithosContainer.name isEqualToString:@"trash"]) {
 247             containerNode.icon = [[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kFullTrashIcon)];
 248             NSUInteger insertIndex = 1;
 249             if (!containerPithosFound)
 250                 insertIndex = 0;
 251             [containersTreeNodeChildren insertObject:[NSTreeNode treeNodeWithRepresentedObject:containerNode] atIndex:insertIndex];
 252             containerTrashFound = YES;
 253         } else {
 254             [containersTreeNodeChildren addObject:[NSTreeNode treeNodeWithRepresentedObject:containerNode]];
 255         }
 256     }
 257     BOOL refreshAccountNode = NO;
 258     if (!containerPithosFound) {
 259         // create pithos
 260         ASIPithosContainerRequest *containerRequest = [ASIPithosContainerRequest createOrUpdateContainerRequestWithContainerName:@"pithos"];
 261         [containerRequest startSynchronous];
 262         if ([containerRequest error]) {
 263             NSLog(@"error:%@", [containerRequest error]);
 264             // XXX do something on error
 265         } else {
 266             refreshAccountNode = YES;
 267         }
 268     }
 269     if (!containerTrashFound) {
 270         // create trash
 271         ASIPithosContainerRequest *containerRequest = [ASIPithosContainerRequest createOrUpdateContainerRequestWithContainerName:@"trash"];
 272         [containerRequest startSynchronous];
 273         if ([containerRequest error]) {
 274             NSLog(@"error:%@", [containerRequest error]);
 275             // XXX do something on error
 276         } else {
 277             refreshAccountNode = YES;
 278         }
 279     }
 280     if (refreshAccountNode) {
 281         [accountNode invalidateChildren];
 282         accountNode.children;
 283     } else {
 284         [[[outlineViewDataSourceArray objectAtIndex:0] mutableChildNodes] setArray:containersTreeNodeChildren];
 285         self.outlineViewDataSourceArray = outlineViewDataSourceArray;
 286
 287         // Expand the folder outline view
 288         [outlineView expandItem:nil expandChildren:YES];
 289         [outlineView selectRowIndexes:[NSIndexSet indexSetWithIndex:1] byExtendingSelection:NO];
 290
 291         [self refresh:nil];
 292     }
 293 }
 294
 295 #pragma mark -
 296 #pragma Actions
 297
 298 - (IBAction)refresh:(id)sender {
 299     for (NSInteger column = [browser lastColumn]; column >= 0; column--) {
 300         [(PithosNode *)[browser parentForItemsInColumn:column] invalidateChildren];
 301     }
 302     [browser validateVisibleColumns];
 303 }
 304
 305 #pragma mark -
 306 #pragma NSBrowserDelegate
 307
 308 - (id)rootItemForBrowser:(NSBrowser *)browser {
 309     return rootNode;
 310 }
 311
 312 - (NSInteger)browser:(NSBrowser *)browser numberOfChildrenOfItem:(id)item {
 313     PithosNode *node = (PithosNode *)item;
 314     return node.children.count;
 315 }
 316
 317 - (id)browser:(NSBrowser *)browser child:(NSInteger)index ofItem:(id)item {
 318     PithosNode *node = (PithosNode *)item;
 319     return [node.children objectAtIndex:index];
 320 }
 321
 322 - (BOOL)browser:(NSBrowser *)browser isLeafItem:(id)item {
 323     PithosNode *node = (PithosNode *)item;
 324     return node.isLeafItem;
 325 }
 326
 327 - (id)browser:(NSBrowser *)browser objectValueForItem:(id)item {
 328     PithosNode *node = (PithosNode *)item;
 329     return node;
 330 }
 331
 332 - (NSViewController *)browser:(NSBrowser *)browser previewViewControllerForLeafItem:(id)item {
 333     if (sharedPreviewController == nil)
 334         sharedPreviewController = [[NSViewController alloc] initWithNibName:@"PithosBrowserPreviewController" bundle:[NSBundle bundleForClass:[self class]]];
 335     return sharedPreviewController;
 336 }
 337
 338 //- (CGFloat)browser:(NSBrowser *)browser shouldSizeColumn:(NSInteger)columnIndex forUserResize:(BOOL)forUserResize toWidth:(CGFloat)suggestedWidth  {
 339 //    if (!forUserResize) {
 340 //        id item = [browser parentForItemsInColumn:columnIndex];
 341 //        if ([self browser:browser isLeafItem:item]) {
 342 //            suggestedWidth = 200;
 343 //        }
 344 //    }
 345 //    return suggestedWidth;
 346 //}
 347
 348 - (BOOL)browser:(NSBrowser *)sender isColumnValid:(NSInteger)column {
 349     return NO;
 350 }
 351
 352 #pragma mark Drag and Drop source
 353
 354 - (BOOL)browser:(NSBrowser *)aBrowser writeRowsWithIndexes:(NSIndexSet *)rowIndexes inColumn:(NSInteger)column
 355    toPasteboard:(NSPasteboard *)pasteboard {
 356     NSMutableArray *propertyList = [NSMutableArray arrayWithCapacity:[rowIndexes count]];
 357     NSIndexPath *baseIndexPath = [browser indexPathForColumn:column];
 358     for (NSUInteger i = [rowIndexes firstIndex]; i <= [rowIndexes lastIndex]; i = [rowIndexes indexGreaterThanIndex:i]) {
 359         PithosNode *node = [browser itemAtIndexPath:[baseIndexPath indexPathByAddingIndex:i]];
 360         [propertyList addObject:[node.pithosObject.name pathExtension]];
 361     }
 362
 363     [pasteboard declareTypes:[NSArray arrayWithObject:NSFilesPromisePboardType] owner:self];
 364     [pasteboard setPropertyList:propertyList forType:NSFilesPromisePboardType];
 365
 366     return YES;
 367 }
 368
 369 - (NSArray *)browser:(NSBrowser *)aBrowser namesOfPromisedFilesDroppedAtDestination:(NSURL *)dropDestination
 370 forDraggedRowsWithIndexes:(NSIndexSet *)rowIndexes inColumn:(NSInteger)column {
 371     NSMutableArray *names = [NSMutableArray arrayWithCapacity:[rowIndexes count]];
 372     NSIndexPath *baseIndexPath = [browser indexPathForColumn:column];
 373     for (NSUInteger i = [rowIndexes firstIndex]; i <= [rowIndexes lastIndex]; i = [rowIndexes indexGreaterThanIndex:i]) {
 374         PithosNode *node = [browser itemAtIndexPath:[baseIndexPath indexPathByAddingIndex:i]];
 375
 376         // If the node is a subdir ask if the whole tree should be downloaded
 377         if ([node class] == [PithosSubdirNode class]) {
 378             NSAlert *alert = [[[NSAlert alloc] init] autorelease];
 379             [alert setMessageText:@"Download directory"];
 380             [alert setInformativeText:[NSString stringWithFormat:@"'%@' is a directory, do you want to download its contents?", node.displayName]];
 381             [alert addButtonWithTitle:@"OK"];
 382             [alert addButtonWithTitle:@"Cancel"];
 383             NSInteger choice = [alert runModal];
 384             if (choice == NSAlertFirstButtonReturn) {
 385                 NSArray *objectRequests = [PithosFileUtilities objectDataRequestsForSubdirWithContainerName:node.pithosContainer.name
 386                                                                                                  objectName:node.pithosObject.name
 387                                                                                                 toDirectory:[dropDestination path]
 388                                                                                               checkIfExists:YES];
 389                 if (objectRequests) {
 390                     for (ASIPithosObjectRequest *objectRequest in objectRequests) {
 391                         [names addObject:[objectRequest.userInfo valueForKey:@"fileName"]];
 392                         objectRequest.delegate = self;
 393                         objectRequest.didFinishSelector = @selector(downloadObjectFinished:);
 394                         objectRequest.didFailSelector = @selector(downloadObjectFailed:);
 395                         [objectRequest startAsynchronous];
 396                     }
 397                 }
 398             }
 399         } else {
 400             ASIPithosObjectRequest *objectRequest = [PithosFileUtilities objectDataRequestWithContainerName:node.pithosContainer.name
 401                                                                                                  objectName:node.pithosObject.name
 402                                                                                                 toDirectory:[dropDestination path]
 403                                                                                               checkIfExists:YES];
 404             if (objectRequest) {
 405                 [names addObject:[objectRequest.userInfo valueForKey:@"fileName"]];
 406                 objectRequest.delegate = self;
 407                 objectRequest.didFinishSelector = @selector(downloadObjectFinished:);
 408                 objectRequest.didFailSelector = @selector(downloadObjectFailed:);
 409                 [objectRequest startAsynchronous];
 410             }
 411         }
 412     }
 413     return names;
 414 }
 415
 416 #pragma mark Drag and Drop destination
 417
 418 - (NSDragOperation)browser:aBrowser
 419               validateDrop:(id<NSDraggingInfo>)info
 420                proposedRow:(NSInteger *)row
 421                     column:(NSInteger *)column
 422              dropOperation:(NSBrowserDropOperation *)dropOperation {
 423     NSDragOperation result = NSDragOperationNone;
 424     // Files from the finder are accepted
 425     if ([[[info draggingPasteboard] types] indexOfObject:NSFilenamesPboardType] != -1) {
 426         // For a between drop, we let the user drop "on" the parent item
 427         if (*dropOperation == NSBrowserDropAbove)
 428             *row = -1;
 429         // Only allow dropping in folders
 430         if (*column != -1) {
 431             if (*row != -1) {
 432                 PithosNode *node = [browser itemAtRow:*row inColumn:*column];
 433                 if ([node class] != [PithosSubdirNode class])
 434                     *row = -1;
 435             *dropOperation = NSBrowserDropOn;
 436             result = NSDragOperationCopy;
 437             }
 438         }
 439     }
 440     // XXX else local file promises
 441     return result;
 442 }
 443
 444 - (BOOL)browser:(NSBrowser *)aBrowser
 445      acceptDrop:(id<NSDraggingInfo>)info
 446           atRow:(NSInteger)row
 447          column:(NSInteger)column
 448   dropOperation:(NSBrowserDropOperation)dropOperation {
 449     NSArray *filenames = [[info draggingPasteboard] propertyListForType:NSFilenamesPboardType];
 450     NSLog(@"drag in filenames: %@", filenames);
 451     PithosNode *node = nil;
 452     if ((column != -1) && (filenames != nil)) {
 453         if (row != -1)
 454             node = [browser itemAtRow:row inColumn:column];
 455         else
 456             node = [browser parentForItemsInColumn:column];
 457         NSLog(@"drag in node: %@", node.url);
 458         if (([node class] != [PithosSubdirNode class]) && ([node class] != [PithosContainerNode class]))
 459             return NO;
 460
 461         NSFileManager *defaultManager = [NSFileManager defaultManager];
 462         NSString *containerName = [NSString stringWithString:node.pithosContainer.name];
 463         NSString *objectNamePrefix;
 464         if ([node class] == [PithosSubdirNode class])
 465             objectNamePrefix = [NSString stringWithString:node.pithosObject.name];
 466         else
 467             objectNamePrefix = [NSString stringWithString:@""];
 468         NSUInteger blockSize = node.pithosContainer.blockSize;
 469         NSString *blockHash = node.pithosContainer.blockHash;
 470
 471         for (NSString *filePath in filenames) {
 472             BOOL isDirectory;
 473             if ([defaultManager fileExistsAtPath:filePath isDirectory:&isDirectory]) {
 474                 if (!isDirectory) {
 475                     // Upload file
 476                     NSString *objectName = [objectNamePrefix stringByAppendingPathComponent:[filePath lastPathComponent]];
 477                     dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
 478                     dispatch_async(queue, ^{
 479                         NSError *error = nil;
 480                         NSURLResponse *response = nil;
 481                         [NSURLConnection sendSynchronousRequest:[NSURLRequest requestWithURL:[NSURL fileURLWithPath:filePath]
 482                                                                                  cachePolicy:NSURLCacheStorageNotAllowed
 483                                                                              timeoutInterval:.1]
 484                                               returningResponse:&response
 485                                                           error:&error];
 486                         NSString *contentType = [response MIMEType];
 487                         if (contentType == nil)
 488                             contentType = @"application/binary";
 489                         if (error)
 490                             NSLog(@"contentType detection error: %@", error);
 491                         NSArray *hashes = nil;
 492                         ASIPithosObjectRequest *objectRequest = [PithosFileUtilities writeObjectDataRequestWithContainerName:containerName
 493                                                                                                                   objectName:objectName
 494                                                                                                                  contentType:contentType
 495                                                                                                                    blockSize:blockSize
 496                                                                                                                    blockHash:blockHash
 497                                                                                                                      forFile:filePath
 498                                                                                                                checkIfExists:YES
 499                                                                                                                       hashes:&hashes];
 500                         if (objectRequest) {
 501                             // XXX set delegates and queue
 502                             objectRequest.delegate = self;
 503                             objectRequest.didFinishSelector = @selector(uploadObjectUsingHashMapFinished:);
 504                             objectRequest.didFailSelector = @selector(uploadObjectUsingHashMapFailed:);
 505                             objectRequest.userInfo = [NSMutableDictionary dictionaryWithObjectsAndKeys:
 506                                                       containerName, @"containerName",
 507                                                       objectName, @"objectName",
 508                                                       contentType, @"contentType",
 509                                                       [NSNumber numberWithUnsignedInteger:blockSize], @"blockSize",
 510                                                       blockHash, @"blockHash",
 511                                                       filePath, @"filePath",
 512                                                       hashes, @"hashes",
 513                                                       [NSNumber numberWithBool:YES], @"checkIfExists",
 514                                                       node, @"node",
 515                                                       [NSNumber numberWithUnsignedInteger:0], @"iteration",
 516                                                       nil];
 517                             [objectRequest startAsynchronous];
 518                         }
 519                         // XXX else show alert?
 520                     });
 521                 } else {
 522                     // Upload directory, confirm first
 523                     // XXX implement this
 524                 }
 525             }
 526
 527         }
 528         return YES;
 529     }
 530
 531     return NO;
 532 }
 533
 534 #pragma mark -
 535 #pragma mark ASIHTTPRequestDelegate
 536
 537 - (void)downloadObjectFinished:(ASIPithosObjectRequest *)objectRequest {
 538     NSLog(@"download completed: %@", [objectRequest url]);
 539     if ([objectRequest bytes] == 0) {
 540         NSLog(@"downloaded  0 bytes");
 541         NSFileManager *defaultManager = [NSFileManager defaultManager];
 542         NSString *filePath = [objectRequest.userInfo objectForKey:@"filePath"];
 543         if (![defaultManager fileExistsAtPath:filePath]) {
 544             if (![defaultManager createFileAtPath:filePath contents:nil attributes:nil]) {
 545                 NSAlert *alert = [[[NSAlert alloc] init] autorelease];
 546                 [alert setMessageText:@"File Creation Error"];
 547                 [alert setInformativeText:[NSString stringWithFormat:@"Couldn't create zero length file at %@", filePath]];
 548                 [alert addButtonWithTitle:@"OK"];
 549                 [alert runModal];
 550             }
 551         }
 552     }
 553 }
 554
 555 - (void)downloadObjectFailed:(ASIPithosObjectRequest *)objectRequest {
 556     NSLog(@"download failed: %@, error: %@", [objectRequest url], [objectRequest error]);
 557     NSAlert *alert = [[[NSAlert alloc] init] autorelease];
 558     [alert setMessageText:@"HTTP Request Error"];
 559     [alert setInformativeText:[NSString stringWithFormat:@"An error occured: %@", [objectRequest error]]];
 560     [alert addButtonWithTitle:@"OK"];
 561     [alert runModal];
 562 }
 563
 564 - (void)uploadObjectUsingHashMapFinished:(ASIPithosObjectRequest *)objectRequest {
 565     NSLog(@"upload using hashmap completed: %@", [objectRequest url]);
 566     if (objectRequest.responseStatusCode == 201) {
 567         NSLog(@"object created: %@", [objectRequest url]);
 568         PithosNode *node = [objectRequest.userInfo objectForKey:@"node"];
 569         [node invalidateChildren];
 570         node.children;
 571     } else if (objectRequest.responseStatusCode == 409) {
 572         NSUInteger iteration = [[objectRequest.userInfo objectForKey:@"iteration"] unsignedIntegerValue] + 1;
 573         if (iteration > 10) {
 574             NSLog(@"upload iteration limit reached: %@", [objectRequest url]);
 575             // XXX show alert
 576             return;
 577         }
 578         NSLog(@"object is missing hashes: %@", [objectRequest url]);
 579         ASIPithosObjectRequest *newObjectRequest = [PithosFileUtilities updateObjectDataRequestWithContainerName:[objectRequest.userInfo objectForKey:@"containerName"]
 580                                                                                                       objectName:@".upload"
 581                                                                                                      contentType:[objectRequest.userInfo objectForKey:@"contentType"]
 582                                                                                                        blockSize:[[objectRequest.userInfo objectForKey:@"blockSize"] unsignedIntegerValue]
 583                                                                                                          forFile:[objectRequest.userInfo objectForKey:@"filePath"]
 584                                                                                                           hashes:[objectRequest.userInfo objectForKey:@"hashes"]
 585                                                                                            missingHashesResponse:[objectRequest responseString]
 586                                                                                                    checkIfExists:[[objectRequest.userInfo objectForKey:@"checkIfExists"] boolValue]];
 587         newObjectRequest.shouldAttemptPersistentConnection = NO;
 588         newObjectRequest.delegate = self;
 589         newObjectRequest.didFinishSelector = @selector(uploadMissingHashesFinished:);
 590         newObjectRequest.didFailSelector = @selector(uploadMissingHashesFailed:);
 591         newObjectRequest.userInfo = objectRequest.userInfo;
 592         [(NSMutableDictionary *)(newObjectRequest.userInfo) setObject:[NSNumber numberWithBool:NO] forKey:@"checkIfExists"];
 593         [(NSMutableDictionary *)(newObjectRequest.userInfo) setObject:[NSNumber numberWithUnsignedInteger:iteration] forKey:@"iteration"];
 594         [newObjectRequest startAsynchronous];
 595     } else {
 596         NSAlert *alert = [[[NSAlert alloc] init] autorelease];
 597         [alert setMessageText:@"Unexpected Response Status"];
 598         [alert setInformativeText:[NSString stringWithFormat:@"Unexpected response status %d - %@", objectRequest.responseStatusCode, objectRequest.responseStatusMessage]];
 599         [alert addButtonWithTitle:@"OK"];
 600         [alert runModal];
 601     }
 602 }
 603
 604 - (void)uploadObjectUsingHashMapFailed:(ASIPithosObjectRequest *)objectRequest {
 605     NSLog(@"upload failed: %@, error: %@", [objectRequest url], [objectRequest error]);
 606     NSAlert *alert = [[[NSAlert alloc] init] autorelease];
 607     [alert setMessageText:@"HTTP Request Error"];
 608     [alert setInformativeText:[NSString stringWithFormat:@"An error occured: %@", [objectRequest error]]];
 609     [alert addButtonWithTitle:@"OK"];
 610     [alert runModal];
 611 }
 612
 613 - (void)uploadMissingHashesFinished:(ASIPithosObjectRequest *)objectRequest {
 614     NSLog(@"upload of missing hashes completed: %@", [objectRequest url]);
 615     if ((objectRequest.responseStatusCode == 201) || (objectRequest.responseStatusCode == 204)) {
 616         NSArray *hashes = [objectRequest.userInfo objectForKey:@"hashes"];
 617         ASIPithosObjectRequest *newObjectRequest = [PithosFileUtilities writeObjectDataRequestWithContainerName:[objectRequest.userInfo objectForKey:@"containerName"]
 618                                                                                                      objectName:[objectRequest.userInfo objectForKey:@"objectName"]
 619                                                                                                     contentType:[objectRequest.userInfo objectForKey:@"contentType"]
 620                                                                                                       blockSize:[[objectRequest.userInfo objectForKey:@"blockSize"] unsignedIntegerValue]
 621                                                                                                       blockHash:[objectRequest.userInfo objectForKey:@"blockHash"]
 622                                                                                                         forFile:[objectRequest.userInfo objectForKey:@"filePath"]
 623                                                                                                   checkIfExists:NO
 624                                                                                                          hashes:&hashes];
 625         newObjectRequest.delegate = self;
 626         newObjectRequest.didFinishSelector = @selector(uploadObjectUsingHashMapFinished:);
 627         newObjectRequest.didFailSelector = @selector(uploadObjectUsingHashMapFailed:);
 628         newObjectRequest.userInfo = objectRequest.userInfo;
 629         [newObjectRequest startAsynchronous];
 630     } else {
 631         NSAlert *alert = [[[NSAlert alloc] init] autorelease];
 632         [alert setMessageText:@"Unexpected Response Status"];
 633         [alert setInformativeText:[NSString stringWithFormat:@"Unexpected response status %d - %@", objectRequest.responseStatusCode, objectRequest.responseStatusMessage]];
 634         [alert addButtonWithTitle:@"OK"];
 635         [alert runModal];
 636     }
 637 }
 638
 639 - (void)uploadMissingHashesFailed:(ASIPithosObjectRequest *)objectRequest {
 640     NSLog(@"upload of missing hashes failed: %@, error: %@", [objectRequest url], [objectRequest error]);
 641     NSAlert *alert = [[[NSAlert alloc] init] autorelease];
 642     [alert setMessageText:@"HTTP Request Error"];
 643     [alert setInformativeText:[NSString stringWithFormat:@"An error occured: %@", [objectRequest error]]];
 644     [alert addButtonWithTitle:@"OK"];
 645     [alert runModal];
 646 }
 647
 648 #pragma mark -
 649 #pragma mark NSSplitViewDelegate
 650
 651 - (CGFloat)splitView:(NSSplitView *)splitView constrainMinCoordinate:(CGFloat)proposedMinimumPosition ofSubviewAt:(NSInteger)dividerIndex {
 652     return 120;
 653 }
 654
 655 - (CGFloat)splitView:(NSSplitView *)splitView constrainMaxCoordinate:(CGFloat)proposedMaximumPosition ofSubviewAt:(NSInteger)dividerIndex {
 656     return 220;
 657 }
 658
 659 #pragma mark -
 660 #pragma mark NSOutlineViewDelegate
 661
 662 - (BOOL)outlineView:outlineView shouldSelectItem:(id)item {
 663     return ([[item representedObject] isLeaf]);
 664 }
 665
 666 - (BOOL)outlineView:(NSOutlineView *)outlineView isGroupItem:(id)item {
 667         return (![[item representedObject] isLeaf]);
 668 }
 669
 670 - (void)outlineViewSelectionDidChange:(NSNotification *)notification {
 671     PithosNode *node = [[[outlineView itemAtRow:[outlineView selectedRow]] representedObject] representedObject];
 672     if (node) {
 673         rootNode = node;
 674         [browser loadColumnZero];
 675     }
 676 }
 677
 678 #pragma mark -
 679 #pragma mark NSMenuDelegate
 680
 681 - (void)menuNeedsUpdate:(NSMenu *)menu {
 682     NSInteger column = [browser clickedColumn];
 683     NSInteger row = [browser clickedRow];
 684     [menu removeAllItems];
 685     if ((column == -1) || (row == -1)) {
 686         // General context menu has 0
 687     } else {
 688         // PithosNode menu has 1 items
 689         // Get Info
 690         NSMenuItem *menuItem = [[NSMenuItem alloc] initWithTitle:@"Get Info" action:@selector(getInfo:) keyEquivalent:@""];
 691         [menuItem setRepresentedObject:[browser itemAtRow:row inColumn:column]];
 692         [menu addItem:menuItem];
 693     }
 694 }
 695
 696 #pragma mark -
 697 #pragma mark Menu Actions
 698
 699 - (void)getInfo:(NSMenuItem *)sender {
 700     [(PithosNode *)[sender representedObject] showPithosNodeInfo:sender];
 701 }
 702
 703 @end