code.grnet.gr Git - pithos-ios/blob - Classes/StorageObjectViewController.m

   1 //
   2 //  StorageObjectViewController.m
   3 //  OpenStack
   4 //
   5 //  Created by Mike Mayo on 12/19/10.
   6 //  The OpenStack project is provided under the Apache 2.0 license.
   7 //
   8
   9 #import "StorageObjectViewController.h"
  10 #import "OpenStackAccount.h"
  11 #import "OpenStackRequest.h"
  12 #import "Container.h"
  13 #import "Folder.h"
  14 #import "StorageObject.h"
  15 #import "AccountManager.h"
  16 #import "AnimatedProgressView.h"
  17 #import "UIViewController+Conveniences.h"
  18 #import "MediaViewController.h"
  19 #import "FolderViewController.h"
  20 #import "UIColor+MoreColors.h"
  21 #import "OpenStackAppDelegate.h"
  22 #import "EditMetadataViewController.h"
  23 #import "Provider.h"
  24 #import "EditPermissionsViewController.h"
  25 #import "TextViewCell.h"
  26 #import "NSString+Conveniences.h"
  27 #import "APICallback.h"
  28 #import "ObjectVersionsViewController.h"
  29
  30 #define kDetails 0
  31 #define kMetadata 2
  32
  33 #define maxMetadataViewableLength 12
  34
  35
  36 // TODO: use etag to reset download
  37 // TODO: try downloading directly to the file to save memory.  don't use object.data
  38
  39 /*
  40  Name                           whatever.txt
  41  Full Path
  42  Size                           123 KB
  43  Content Type                   text/plain
  44
  45  Metadata
  46  Key                            Value -> tap goes to a metadata item VC to edit or delete
  47  Key                            Value
  48  Add Metadata... (if max not already reached)
  49
  50  CDN URL sections (action sheet to copy, open in safari, and email link)
  51
  52  Download File (if downloaded, Open File and Mail File as Attachment)
  53  "After you download the file, you'll be able to attempt to open it and mail is as an attachment."
  54
  55  Delete Object
  56  */
  57
  58 @implementation StorageObjectViewController
  59
  60 @synthesize account, container, folder, object, tableView, folderViewController;
  61 @synthesize oldPubicURI, documentInteractionController, actionSelectedIndexPath, objectIsReadOnly, versionID;
  62
  63 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
  64     return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) || (toInterfaceOrientation == UIInterfaceOrientationPortrait);
  65 }
  66
  67 - (void)setBackgroundView {
  68
  69     UIImageView *logo = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"cloudfiles-large.png"]];
  70
  71     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
  72         UIView *backgroundContainer = [[UIView alloc] init];
  73         backgroundContainer.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
  74         backgroundContainer.backgroundColor = [UIColor iPadTableBackgroundColor];
  75         logo.contentMode = UIViewContentModeScaleAspectFit;
  76         logo.frame = CGRectMake(100.0, 100.0, 1000.0, 1000.0);
  77         logo.alpha = 0.5;
  78         [backgroundContainer addSubview:logo];
  79         tableView.backgroundView = backgroundContainer;
  80         [backgroundContainer release];
  81     } else {
  82         self.tableView.backgroundView = nil;
  83     }
  84     [logo release];
  85 }
  86
  87 - (IBAction)homeButtonPressed:(id)sender {
  88     [self.navigationController popToRootViewControllerAnimated:YES];
  89 }
  90
  91 #pragma mark -
  92 #pragma mark View lifecycle
  93
  94 - (void)viewDidLoad {
  95     [super viewDidLoad];
  96
  97     objectIsPublicSwitch = [[UISwitch alloc] init];
  98     [objectIsPublicSwitch addTarget:self action:@selector(objectIsPublicSwitchChanged:) forControlEvents:UIControlEventValueChanged];
  99
 100     deleteActionSheet = [[UIActionSheet alloc] initWithTitle:@"Are you sure you want to delete this file?  This operation cannot be undone." delegate:self cancelButtonTitle:@"Cancel" destructiveButtonTitle:@"Delete File" otherButtonTitles:nil];
 101     permissions = [[NSMutableDictionary alloc] init];
 102     if (object.sharing.length > 0) {
 103         NSArray *sharingArray = [object.sharing componentsSeparatedByString:@";"];
 104         for (NSString *typeSpecificPermissions in sharingArray) {
 105             NSArray *array=[typeSpecificPermissions componentsSeparatedByString:@"="];
 106             NSString *permissionsType = [array objectAtIndex:0];
 107             if ([permissionsType hasPrefix:@" "])
 108                 permissionsType = [permissionsType substringFromIndex:1];
 109
 110             NSArray *users = [[array objectAtIndex:1] componentsSeparatedByString:@","];
 111             for (NSString *user in users) {
 112                 [permissions setObject:permissionsType forKey:user];
 113             }
 114         }
 115     }
 116     objectIsReadOnly = NO;
 117     if (account.sharingAccount) {
 118         if ([permissions count] > 0) {
 119             objectIsReadOnly = [[permissions objectForKey:[account username]] isEqualToString:@"read"];
 120         }
 121         objectIsPublicSwitch.enabled = NO;
 122     }
 123
 124     downloadProgressView = [[AnimatedProgressView alloc] initWithProgressViewStyle:UIProgressViewStyleDefault];
 125     fileDownloading = ([self.account.manager.objectDownloadRequests objectForKey:object.fullPath] != nil) ? YES : NO;
 126     if (fileDownloading) {
 127         OpenStackRequest *request = [self.account.manager.objectDownloadRequests objectForKey:object.fullPath];
 128         self.actionSelectedIndexPath = [request.userInfo objectForKey:@"actionSelectedIndexPath"];
 129         [request setDownloadProgressDelegate:self];
 130     }
 131     appDelegate = [[UIApplication sharedApplication] delegate];
 132 }
 133
 134 - (void)viewWillAppear:(BOOL)animated {
 135     [super viewWillAppear:animated];
 136     self.navigationItem.title = object.name;
 137
 138     NSIndexPath *selection = [self.tableView indexPathForSelectedRow];
 139         if (selection)
 140                 [self.tableView deselectRowAtIndexPath:selection animated:YES];
 141     if ([appDelegate.cachedObjectsDictionary objectForKey:object.hash] != nil) {
 142         if ([[NSFileManager defaultManager] fileExistsAtPath:[appDelegate.cachedObjectsDictionary objectForKey:object.hash]])
 143             fileDownloaded = YES;
 144         else {
 145             fileDownloaded = NO;
 146             [appDelegate.cachedObjectsDictionary removeObjectForKey:object.hash];
 147             [appDelegate saveCacheDictionary];
 148         }
 149     } else {
 150         fileDownloaded = NO;
 151     }
 152
 153     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 154         CGRect rect = downloadProgressView.frame;
 155         rect.size.width = 440.0;
 156         downloadProgressView.frame = rect;
 157     }
 158
 159     //[self setBackgroundView];
 160     actionsSection = 1;
 161     publicLinkSection = 3;
 162     permissionsSection = 4;
 163     if (self.container.cdnEnabled) {
 164         cdnURLSection = 5;
 165         deleteSection = 6;
 166         versionsSection = 7;
 167     } else {
 168         cdnURLSection = -1;
 169         deleteSection = 5;
 170         versionsSection = 6;
 171     }
 172
 173     if (versionID) {
 174         publicLinkSection = -1;
 175         permissionsSection = -1;
 176         versionsSection = -1;
 177         deleteSection = -1;
 178         objectIsReadOnly = YES;
 179     }
 180     if (account.sharingAccount || account.shared) {
 181         versionsSection = -1;
 182         deleteSection = -1;
 183     }
 184
 185
 186     // let's see if we can tweet
 187     UIApplication *app = [UIApplication sharedApplication];
 188     NSURL *twitterURL = [NSURL URLWithString:@"twitter://post?message=test"];
 189
 190     if ([app canOpenURL:twitterURL]) {
 191         cdnURLActionSheet = [[UIActionSheet alloc] initWithTitle:[[NSString stringWithFormat:@"%@/%@", self.container.cdnURL, self.object.fullPath] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding] delegate:self cancelButtonTitle:@"Cancel" destructiveButtonTitle:nil otherButtonTitles:@"Copy to Pasteboard", @"Open in Safari", @"Email Link to File", @"Tweet Link to File", nil];
 192     } else {
 193         cdnURLActionSheet = [[UIActionSheet alloc] initWithTitle:[[NSString stringWithFormat:@"%@/%@", self.container.cdnURL, self.object.fullPath] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding] delegate:self cancelButtonTitle:@"Cancel" destructiveButtonTitle:nil otherButtonTitles:@"Copy to Pasteboard", @"Open in Safari", @"Email Link to File", nil];
 194     }
 195     objectIsPublic = ([object.publicURI length]);
 196     objectIsPublicSwitch.on = objectIsPublic;
 197     [self.tableView reloadData];
 198 }
 199
 200 - (void)viewDidAppear:(BOOL)animated {
 201     if (object.metadata == nil) {
 202         [self reloadMetadataSection];
 203     }
 204 }
 205
 206 #pragma mark -
 207 #pragma mark Table view data source
 208
 209 - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
 210
 211     int numberOfSections = 8;
 212     if (!self.container.cdnEnabled)
 213         numberOfSections--;
 214     if (deleteSection < 0)
 215         numberOfSections--;
 216     if (versionsSection < 0)
 217         numberOfSections--;
 218     if (publicLinkSection < 0)
 219         numberOfSections--;
 220     if (permissionsSection < 0)
 221         numberOfSections--;
 222
 223     return numberOfSections;
 224 }
 225
 226 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
 227     if (section == kDetails) {
 228         return 4;
 229     } else if (section == kMetadata) {
 230         if (objectIsReadOnly) {
 231             return [object.metadata count];
 232         } else {
 233             return 1 + [object.metadata count];
 234         }
 235     } else if (section == cdnURLSection) {
 236         return 1;
 237     } else if (section == actionsSection) {
 238         return 2;
 239     } else if (section == publicLinkSection) {
 240         return objectIsPublic ? 2 : 1;
 241     } else if (section == permissionsSection) {
 242         if (account.sharingAccount || objectIsReadOnly)
 243             return [permissions count];
 244         else
 245             return 1 + [permissions count];
 246     } else {
 247         return 1;
 248     }
 249 }
 250
 251 - (CGFloat)findLabelHeight:(NSString*)text font:(UIFont *)font {
 252     CGSize textLabelSize;
 253     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 254         // 616, 678
 255         textLabelSize = CGSizeMake(596.0, 9000.0f);
 256     } else {
 257         textLabelSize = CGSizeMake(280.0, 9000.0f);
 258     }
 259     CGSize stringSize = [text sizeWithFont:font constrainedToSize:textLabelSize lineBreakMode:UILineBreakModeCharacterWrap];
 260     return stringSize.height;
 261 }
 262
 263 - (CGFloat)tableView:(UITableView *)aTableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
 264     CGFloat result = aTableView.rowHeight;
 265
 266     if (indexPath.section == cdnURLSection) {
 267         result = 22.0 + [self findLabelHeight:[[NSString stringWithFormat:@"%@/%@", self.container.cdnURL, self.object.fullPath] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding] font:[UIFont systemFontOfSize:18.0]];
 268     } else if (indexPath.section == kDetails && indexPath.row == 1) {
 269         CGSize textLabelSize;
 270         if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 271             textLabelSize = CGSizeMake(537.0, 9000.0f);
 272         } else {
 273             textLabelSize = CGSizeMake(221.0, 9000.0f);
 274         }
 275         CGSize stringSize = [object.fullPath sizeWithFont:[UIFont systemFontOfSize:18.0] constrainedToSize:textLabelSize lineBreakMode:UILineBreakModeWordWrap];
 276         return 22.0 + stringSize.height;
 277     } else if (indexPath.section == kDetails && indexPath.row == 0) {
 278         CGSize textLabelSize;
 279         if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 280             textLabelSize = CGSizeMake(537.0, 9000.0f);
 281         } else {
 282             textLabelSize = CGSizeMake(221.0, 9000.0f);
 283         }
 284         CGSize stringSize = [object.name sizeWithFont:[UIFont systemFontOfSize:18.0] constrainedToSize:textLabelSize lineBreakMode:UILineBreakModeWordWrap];
 285         return 22.0 + stringSize.height;
 286     } else if (indexPath.section == publicLinkSection && indexPath.row == 1) {
 287         NSString *publicLinkUrl = [NSString stringWithFormat:@"%@%@",
 288                                    account.pithosPublicLinkURLPrefix,
 289                                    self.object.publicURI];
 290
 291         result = 30.0 + [self findLabelHeight:publicLinkUrl font:[UIFont systemFontOfSize:15.0]];
 292     }
 293     return MAX(aTableView.rowHeight, result);
 294 }
 295
 296 - (UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
 297
 298     static NSString *CellIdentifier = @"Cell";
 299     static NSString *TextViewCellIdentifier = @"TextViewCell";
 300     if (indexPath.section == publicLinkSection) {
 301         if (indexPath.row == 1) {
 302             TextViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:TextViewCellIdentifier];
 303             if (cell == nil) {
 304                 cell = [[[TextViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:TextViewCellIdentifier] autorelease];
 305                 cell.textView.frame = cell.contentView.frame;
 306
 307             }
 308             cell.selectionStyle = UITableViewCellSelectionStyleNone;
 309             cell.textView.backgroundColor = [UIColor clearColor];
 310             cell.textView.font = [UIFont systemFontOfSize:15.0];
 311             cell.textView.dataDetectorTypes = UIDataDetectorTypeLink;
 312             cell.textView.text = [NSString stringWithFormat:@"%@%@",
 313                                   account.pithosPublicLinkURLPrefix,
 314                                   [NSString encodeToPercentEscape:self.object.publicURI charactersToEncode:@"!*'();:@&=+$,?%#[]"]];
 315
 316             cell.selectionStyle = UITableViewCellSelectionStyleNone;
 317             cell.accessoryView = UITableViewCellAccessoryNone;
 318             return cell;
 319         }
 320     }
 321
 322     UITableViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:CellIdentifier];
 323     if (cell == nil) {
 324         cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:CellIdentifier] autorelease];
 325         cell.textLabel.backgroundColor = [UIColor clearColor];
 326         cell.detailTextLabel.backgroundColor = [UIColor clearColor];
 327         cell.detailTextLabel.lineBreakMode = UILineBreakModeWordWrap;
 328     }
 329     cell.textLabel.textColor = [UIColor blackColor];
 330     cell.detailTextLabel.numberOfLines = 0;
 331
 332     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 333         cell.backgroundColor = [UIColor colorWithRed:1 green:1 blue:1 alpha:0.8];
 334     }
 335     cell.userInteractionEnabled = YES;
 336     cell.detailTextLabel.textAlignment = UITextAlignmentRight;
 337     cell.accessoryView = nil;
 338     cell.textLabel.font = [UIFont boldSystemFontOfSize:17.0];
 339
 340     // Configure the cell...
 341     if (indexPath.section == kDetails) {
 342         cell.accessoryType = UITableViewCellAccessoryNone;
 343         cell.selectionStyle = UITableViewCellSelectionStyleNone;
 344         cell.accessoryView = nil;
 345         if (indexPath.row == 0) {
 346             cell.textLabel.text = @"Name";
 347             cell.detailTextLabel.text = object.name;
 348         } else if (indexPath.row == 1) {
 349             cell.textLabel.text = @"Full Path";
 350             cell.detailTextLabel.text = object.fullPath;
 351         } else if (indexPath.row == 2) {
 352             cell.textLabel.text = @"Size";
 353             cell.detailTextLabel.text = [object humanizedBytes];
 354         } else if (indexPath.row == 3) {
 355             cell.textLabel.text = @"Type";
 356             cell.detailTextLabel.text = object.contentType;
 357         }
 358     } else if (indexPath.section == kMetadata) {
 359         if (objectIsReadOnly) {
 360             cell.accessoryType = UITableViewCellAccessoryNone;
 361             cell.selectionStyle = UITableViewCellSelectionStyleNone;
 362             cell.userInteractionEnabled = NO;
 363         }
 364         else {
 365             cell.selectionStyle = UITableViewCellSelectionStyleBlue;
 366             cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
 367         }
 368
 369         cell.accessoryView = nil;
 370         if (indexPath.row == [object.metadata count]) {
 371             cell.textLabel.text = @"Add Metadata";
 372             cell.detailTextLabel.text = @"";
 373         } else {
 374             NSString *key = [[object.metadata allKeys] objectAtIndex:indexPath.row];
 375             NSString *value = [object.metadata objectForKey:key];
 376             NSString *metadataKeyCellText = key;
 377             NSString *metadataValueCellText = value;
 378             if ([metadataKeyCellText length] > maxMetadataViewableLength) {
 379                 metadataKeyCellText = [metadataKeyCellText substringToIndex:(maxMetadataViewableLength - 3)];
 380                 metadataKeyCellText = [metadataKeyCellText stringByAppendingString:@"..."];
 381             }
 382             if ([metadataValueCellText length] > maxMetadataViewableLength) {
 383                 metadataValueCellText = [metadataValueCellText substringToIndex:(maxMetadataViewableLength - 3)];
 384                 metadataValueCellText = [metadataValueCellText stringByAppendingString:@"..."];
 385             }
 386
 387             cell.textLabel.text = metadataKeyCellText;
 388             cell.detailTextLabel.text = metadataValueCellText;
 389         }
 390     } else if (indexPath.section == publicLinkSection) {
 391         if (indexPath.row == 0) {
 392             cell.textLabel.text = @"Public URL";
 393             cell.detailTextLabel.text = @"";
 394             cell.accessoryView = objectIsPublicSwitch;
 395             cell.accessoryType = UITableViewCellAccessoryNone;
 396             cell.selectionStyle = UITableViewCellSelectionStyleNone;
 397         }
 398     } else if (indexPath.section == permissionsSection) {
 399         if (account.sharingAccount) {
 400             cell.accessoryType = UITableViewCellAccessoryNone;
 401             cell.selectionStyle = UITableViewCellSelectionStyleNone;
 402             cell.userInteractionEnabled = NO;
 403         }
 404         else {
 405             cell.selectionStyle = UITableViewCellSelectionStyleBlue;
 406             cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
 407         }
 408         cell.accessoryView = nil;
 409
 410         if (indexPath.row == [permissions count]) {
 411             cell.textLabel.text = @"Share";
 412             cell.detailTextLabel.text = @"";
 413         } else {
 414             NSString *user = [[permissions allKeys] objectAtIndex:indexPath.row];
 415             cell.textLabel.text = user;
 416             NSString *accessType;
 417             if ([[permissions objectForKey:user] isEqualToString:@"write"])
 418                 accessType = @"Read/Write";
 419             else
 420                 accessType = @"Read Only";
 421             cell.detailTextLabel.numberOfLines = 1;
 422             cell.detailTextLabel.lineBreakMode = UILineBreakModeTailTruncation;
 423             cell.detailTextLabel.text = accessType;
 424         }
 425     } else if (indexPath.section == cdnURLSection) {
 426         cell.detailTextLabel.textAlignment = UITextAlignmentLeft;
 427         cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
 428         cell.textLabel.text = @"";
 429         cell.detailTextLabel.text = [[NSString stringWithFormat:@"%@/%@", self.container.cdnURL, self.object.fullPath] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
 430     } else if (indexPath.section == actionsSection) {
 431         if (fileDownloading) {
 432             if (actionSelectedIndexPath.row == indexPath.row) {
 433                 cell.accessoryView = downloadProgressView;
 434             } else {
 435                 cell.textLabel.textColor = [UIColor grayColor];
 436                 cell.selectionStyle = UITableViewCellSelectionStyleNone;
 437             }
 438         } else {
 439             cell.selectionStyle = UITableViewCellSelectionStyleBlue;
 440             cell.accessoryView = nil;
 441         }
 442         if (indexPath.row == 0) {
 443             cell.textLabel.text = @"Open File";
 444             cell.accessoryType = UITableViewCellAccessoryNone;
 445             cell.detailTextLabel.text = @"";
 446
 447         } else if (indexPath.row == 1) {
 448             cell.textLabel.text = @"Email File as Attachment";
 449             cell.detailTextLabel.text = @"";
 450             cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
 451         }
 452     } else if (indexPath.section == deleteSection) {
 453         cell.selectionStyle = UITableViewCellSelectionStyleBlue;
 454         cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
 455         cell.textLabel.text = @"Delete Object";
 456         cell.detailTextLabel.text = @"";
 457
 458     } else if (indexPath.section == versionsSection) {
 459         cell.selectionStyle = UITableViewCellSelectionStyleBlue;
 460         cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
 461         cell.textLabel.text = @"Versions";
 462         cell.detailTextLabel.text = @"";
 463     }
 464
 465     return cell;
 466 }
 467
 468
 469
 470 #pragma mark -
 471 #pragma mark Table view delegate
 472
 473 - (void)reloadActionsTitleRow:(NSTimer *)timer {
 474     [[timer.userInfo objectForKey:@"tableView"] reloadRowsAtIndexPaths:[NSArray arrayWithObject:[NSIndexPath indexPathForRow:0 inSection:actionsSection]] withRowAnimation:UITableViewRowAnimationNone];
 475 }
 476
 477 - (void)tableView:(UITableView *)aTableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
 478     if (indexPath.section == kMetadata) {
 479         EditMetadataViewController *vc = [[EditMetadataViewController alloc] initWithNibName:@"EditMetadataViewController" bundle:nil];
 480         NSString *metadataKey;
 481         NSString *metadataValue;
 482
 483         if (indexPath.row == [self.object.metadata count]) {
 484             metadataKey = @"";
 485             metadataValue = @"";
 486             vc.removeMetadataEnabled = FALSE;
 487             vc.navigationItem.title = @"Add Metadata";
 488         }
 489         else {
 490             metadataKey = [[self.object.metadata allKeys] objectAtIndex:indexPath.row];
 491             metadataValue = [self.object.metadata objectForKey:metadataKey];
 492             vc.removeMetadataEnabled = YES;
 493             vc.navigationItem.title = @"Edit Metadata";
 494         }
 495
 496         vc.metadataKey = metadataKey;
 497         vc.metadataValue = metadataValue;
 498         vc.account = account;
 499         vc.container = container;
 500         vc.object = object;
 501         [self.navigationController pushViewController:vc animated:YES];
 502         [vc release];
 503     } else if (indexPath.section == permissionsSection) {
 504         EditPermissionsViewController *vc = [[EditPermissionsViewController alloc] initWithNibName:@"EditPermissionsViewController" bundle:nil];
 505         NSString *user;
 506
 507         if (indexPath.row == [permissions count]) {
 508             user = @"";
 509             vc.removePermissionsEnabled = NO;
 510             vc.navigationItem.title = @"Share";
 511         }
 512         else {
 513             user = [[permissions allKeys] objectAtIndex:indexPath.row];
 514             NSString *userPermissions = [permissions objectForKey:user];
 515             if ([userPermissions rangeOfString:@"read"].location != NSNotFound)
 516                 vc.readPermissionSelected = YES;
 517             else
 518                 vc.readPermissionSelected = NO;
 519
 520             if ([userPermissions rangeOfString:@"write"].location != NSNotFound)
 521                 vc.writePermissionSelected = YES;
 522             else
 523                 vc.writePermissionSelected = NO;
 524
 525             vc.removePermissionsEnabled = YES;
 526             vc.navigationItem.title = @"Edit Sharing";
 527         }
 528
 529         vc.user = user;
 530         vc.permissions = permissions;
 531         vc.account = account;
 532         vc.container = container;
 533         vc.object = object;
 534         vc.folderViewController = folderViewController;
 535         [self.navigationController pushViewController:vc animated:YES];
 536         [vc release];
 537     } else if (indexPath.section == cdnURLSection) {
 538         [cdnURLActionSheet showInView:self.view];
 539     } else if (indexPath.section == actionsSection) {
 540         if (!fileDownloaded) {
 541             if (!fileDownloading) {
 542                 // download the file
 543                 fileDownloading = YES;
 544                 self.actionSelectedIndexPath = indexPath;
 545                 [self.tableView reloadData];
 546                 NSMutableDictionary *requestUserInfo = [NSDictionary dictionaryWithObject:indexPath forKey:@"actionSelectedIndexPath"];
 547                 [[self.account.manager getObject:self.container object:self.object downloadProgressDelegate:self requestUserInfo:requestUserInfo version:versionID]
 548                  success:^(OpenStackRequest *request) {
 549                      fileDownloaded = YES;
 550                      fileDownloading = NO;
 551                      if ([self.navigationController.visibleViewController isEqual:self])
 552                          [self.tableView.delegate tableView:self.tableView didSelectRowAtIndexPath:indexPath];
 553                      [self.tableView reloadData];
 554                      [self.folderViewController.tableView reloadData];
 555                  }
 556                  failure:^(OpenStackRequest *request) {
 557                      fileDownloaded = NO;
 558                      fileDownloading = NO;
 559                      [self alert:@"File failed to download" request:request];
 560                      [self.tableView reloadData];
 561                  }];
 562                 [self.tableView reloadRowsAtIndexPaths:[NSArray arrayWithObject:[NSIndexPath indexPathForRow:indexPath.row inSection:actionsSection]] withRowAnimation:UITableViewRowAnimationNone];
 563             }
 564         } else if (indexPath.row == 0) {
 565             if (fileDownloaded) {
 566                 NSString *filePath = [appDelegate.cachedObjectsDictionary objectForKey:object.hash];
 567                 self.documentInteractionController = [UIDocumentInteractionController interactionControllerWithURL:[NSURL fileURLWithPath:filePath]];
 568                 self.documentInteractionController.delegate = self;
 569                 self.documentInteractionController.name = object.name;
 570
 571                 UITableViewCell *openFileCell = [self.tableView cellForRowAtIndexPath:indexPath];
 572                 CGRect frameToPresentMenuFrom = CGRectMake(openFileCell.frame.origin.x,
 573                                                            openFileCell.frame.origin.y - self.tableView.contentOffset.y,
 574                                                            openFileCell.frame.size.width,
 575                                                            openFileCell.frame.size.height);
 576                 if (![self.documentInteractionController presentOptionsMenuFromRect:frameToPresentMenuFrom inView:self.view animated:YES]) {
 577                     if ([self.object isPlayableMedia]) {
 578                         MediaViewController *vc = [[MediaViewController alloc] initWithNibName:@"MediaViewController" bundle:nil];
 579                         vc.container = self.container;
 580                         vc.object = self.object;
 581                         [self.navigationController pushViewController:vc animated:YES];
 582                         [vc release];
 583                     } else {
 584                         [self alert:@"Error" message:@"This file could not be opened."];
 585                         [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
 586                     }
 587                 }
 588
 589                 [self.tableView deselectRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:actionsSection] animated:YES];
 590
 591             }
 592         } else if (indexPath.row == 1) {
 593
 594             NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
 595             NSString *documentsDirectory = [paths objectAtIndex:0];
 596             NSString *shortPath = @"";
 597
 598             if (self.container && [self.container respondsToSelector:@selector(name)] && self.object && [self.object respondsToSelector:@selector(fullPath)]) {
 599                 shortPath = [NSString stringWithFormat:@"/%@/%@", self.container.name, self.object.fullPath];
 600             }
 601
 602             NSString *filePath = [documentsDirectory stringByAppendingString:shortPath];
 603             NSData *data = [NSData dataWithContentsOfURL:[NSURL fileURLWithPath:filePath]];
 604
 605
 606             if (![MFMailComposeViewController canSendMail]) {
 607                 [self alert:@"Cannot send mail" message:@"Your device has not been configured for sending email"];
 608                 [self.tableView deselectRowAtIndexPath:indexPath animated:NO];
 609             }
 610             else {
 611                 MFMailComposeViewController *vc = [[MFMailComposeViewController alloc] init];
 612
 613                 vc.mailComposeDelegate = self;
 614                 [vc setSubject:self.object.name];
 615                 [vc addAttachmentData:data mimeType:self.object.contentType fileName:self.object.name];
 616                 [vc setMessageBody:@"" isHTML:NO];
 617                 if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 618                     vc.modalPresentationStyle = UIModalPresentationPageSheet;
 619                 }
 620                 [self presentModalViewController:vc animated:YES];
 621                 [vc release];
 622             }
 623         }
 624     } else if (indexPath.section == deleteSection) {
 625         [deleteActionSheet showInView:self.view];
 626     } else if (indexPath.section == versionsSection) {
 627         ObjectVersionsViewController *vc = [[ObjectVersionsViewController alloc] initWithNibName:@"ObjectVersionsViewController" bundle:nil];
 628         vc.account = account;
 629         vc.container = container;
 630         vc.object = object;
 631         [self.navigationController pushViewController:vc animated:YES];
 632         [vc release];
 633     }
 634 }
 635
 636 - (void)setProgress:(float)newProgress {
 637     [downloadProgressView setProgress:newProgress animated:YES];
 638     if (newProgress >= 1.0) {
 639         fileDownloading = NO;
 640         fileDownloaded = YES;
 641         [self.tableView reloadData];
 642     }
 643 }
 644
 645
 646 #pragma mark -
 647 #pragma mark Document Interation Controller Delegate
 648
 649 - (UIViewController *)documentInteractionControllerViewControllerForPreview:(UIDocumentInteractionController *) controller {
 650     return self.navigationController;
 651 }
 652
 653 - (void)documentInteractionControllerDidEndPreview:(UIDocumentInteractionController *)controllers {
 654     [self.tableView deselectRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:actionsSection] animated:YES];
 655 }
 656
 657 #pragma mark -
 658 #pragma mark Action Sheet Delegate
 659
 660 - (void)deleteObjectRow {
 661     [self.folder.objects removeObjectForKey:self.object.name];
 662     [self.folderViewController.tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:selectedIndexPath] withRowAnimation:UITableViewRowAnimationLeft];
 663     self.folderViewController.refreshButton.enabled = YES;
 664 }
 665
 666 - (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
 667     if ([actionSheet isEqual:deleteActionSheet]) {
 668         if (buttonIndex == 0) {
 669             // delete the file and pop out
 670
 671             NSString *activityMessage = @"Deleting file";
 672             [activityIndicatorView release];
 673             activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:activityMessage] text:activityMessage];
 674             [activityIndicatorView addToView:self.view];
 675
 676             self.folderViewController.refreshButton.enabled = NO;
 677             [[self.account.manager deleteObject:self.container object:self.object]
 678              success:^(OpenStackRequest *request) {
 679                  [activityIndicatorView removeFromSuperview];
 680                  performingAction = NO;
 681                  if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
 682                      [self.navigationController popViewControllerAnimated:YES];
 683                      if (account.shared)
 684                          self.folderViewController.needsRefreshing = YES;
 685                  } else if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 686                      self.folderViewController.selectedObjectViewController = nil;
 687                      if (!account.shared)
 688                          [self.folderViewController setDetailViewController];
 689                      else
 690                         [self.folderViewController refreshButtonPressed:nil];
 691                  }
 692                  if (self.folder.objects.count == 1)
 693                      [self.folder.objects removeObjectForKey:self.object.name];
 694
 695                  if ([self.folder.objects count] + [self.folder.folders count] == 0) {
 696                      [self.folderViewController.tableView reloadData];
 697                  } else {
 698                      [self.folderViewController.tableView selectRowAtIndexPath:selectedIndexPath animated:YES scrollPosition:UITableViewScrollPositionNone];
 699                      [NSTimer scheduledTimerWithTimeInterval:0.75 target:self selector:@selector(deleteObjectRow) userInfo:nil repeats:NO];
 700                  }
 701              }
 702              failure:^(OpenStackRequest *request) {
 703                  [activityIndicatorView removeFromSuperview];
 704                  [self hideToolbarActivityMessage];
 705                  performingAction = NO;
 706                  [self alert:@"There was a problem deleting this file." request:request];
 707              }];
 708         }
 709         NSIndexPath *indexPath = [NSIndexPath indexPathForRow:0 inSection:deleteSection];
 710         [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
 711     } else if ([actionSheet isEqual:cdnURLActionSheet]) {
 712         NSURL *url = [NSURL URLWithString:[[NSString stringWithFormat:@"%@/%@", self.container.cdnURL, self.object.fullPath] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
 713
 714         if (buttonIndex == 0) {
 715             // copy to pasteboard
 716             UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
 717             [pasteboard setString:[url description]];
 718         } else if (buttonIndex == 1) {
 719             // open in safari
 720             UIApplication *application = [UIApplication sharedApplication];
 721             if ([application canOpenURL:url]) {
 722                 [application openURL:url];
 723             } else {
 724                 [self alert:@"Error" message:[NSString stringWithFormat:@"This URL cannot be opened.\n%@", url]];
 725             }
 726         } else if (buttonIndex == 2) {
 727             // email link to file
 728             MFMailComposeViewController *vc = [[MFMailComposeViewController alloc] init];
 729             vc.mailComposeDelegate = self;
 730             [vc setSubject:self.object.name];
 731             [vc setMessageBody:[url description] isHTML:NO];
 732             if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 733                 vc.modalPresentationStyle = UIModalPresentationPageSheet;
 734             }
 735             [self presentModalViewController:vc animated:YES];
 736             [vc release];
 737         } else if (buttonIndex == 3) {
 738             // tweet link to file
 739             UIApplication *app = [UIApplication sharedApplication];
 740             NSURL *twitterURL = [NSURL URLWithString:[NSString stringWithFormat:@"twitter://post?message=%@", [[url description] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]];
 741             if ([app canOpenURL:twitterURL]) {
 742                 [app openURL:twitterURL];
 743             }
 744         }
 745         [self.tableView deselectRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:cdnURLSection] animated:YES];
 746     }
 747 }
 748
 749 #pragma mark -
 750 #pragma mark Mail Composer Delegate
 751
 752 // Dismisses the email composition interface when users tap Cancel or Send.
 753 - (void)mailComposeController:(MFMailComposeViewController*)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError*)error {
 754         [self dismissModalViewControllerAnimated:YES];
 755     [self.tableView deselectRowAtIndexPath:[NSIndexPath indexPathForRow:1 inSection:actionsSection] animated:YES];
 756 }
 757
 758 #pragma mark -
 759 #pragma mark Switches
 760
 761 - (void)objectIsPublicSwitchChanged:(id)sender
 762 {
 763     NSString *activityMessage = [NSString stringWithFormat:@"Enabling public link.."];
 764     self.oldPubicURI = object.publicURI;
 765
 766     if (objectIsPublic) {
 767         activityMessage = [NSString stringWithFormat:@"Disabling public link.."];
 768         object.publicURI = @"";
 769     }
 770     else {
 771         object.publicURI = @"TRUE";
 772     }
 773     [activityIndicatorView release];
 774     activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:activityMessage] text:activityMessage];
 775     [activityIndicatorView addToView:self.view scrollOffset:self.tableView.contentOffset.y];
 776
 777     objectIsPublic = !objectIsPublic;
 778     [[self.account.manager writeObjectMetadata:container object:object]
 779      success:^(OpenStackRequest *request) {
 780          NSIndexPath *publicURICellIndexPath = [NSIndexPath indexPathForRow:1 inSection:publicLinkSection];
 781          if (objectIsPublic) {
 782              [[self.account.manager getObjectInfo:container object:object version:versionID]
 783               success:^(OpenStackRequest *request) {
 784                   [activityIndicatorView removeFromSuperview];
 785                   object.publicURI = [request.responseHeaders objectForKey:@"X-Object-Public"];
 786                   NSIndexPath *publicURICellIndexPath = [NSIndexPath indexPathForRow:1 inSection:publicLinkSection];
 787                   [self.tableView insertRowsAtIndexPaths:[NSArray arrayWithObject:publicURICellIndexPath]
 788                                         withRowAnimation:UITableViewRowAnimationBottom];
 789               }
 790               failure:^(OpenStackRequest *request) {
 791                   [activityIndicatorView removeFromSuperview];
 792                   [self alert:@"There was a problem retrieving the public link from the server." request:request];
 793               }];
 794          }
 795          else {
 796              [activityIndicatorView removeFromSuperview];
 797              [self.tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:publicURICellIndexPath]
 798                                    withRowAnimation:UITableViewRowAnimationTop];
 799          }
 800      }
 801      failure:^(OpenStackRequest *request) {
 802          [activityIndicatorView removeFromSuperview];
 803          objectIsPublic = !objectIsPublic;
 804          objectIsPublicSwitch.on = !objectIsPublicSwitch.on;
 805          object.publicURI = oldPubicURI;
 806          [self alert:@"There was a problem enabling the public link." request:request];
 807
 808      }];
 809 }
 810
 811
 812
 813 #pragma mark -
 814 #pragma mark Memory management
 815
 816 - (void)dealloc {
 817     if (fileDownloading) {
 818         OpenStackRequest *request = [self.account.manager.objectDownloadRequests objectForKey:object.fullPath];
 819         [request setDownloadProgressDelegate:nil];
 820     }
 821     [account release];
 822     [downloadProgressView release];
 823     [deleteActionSheet release];
 824     [cdnURLActionSheet release];
 825     [tableView release];
 826     [folderViewController release];
 827     [objectIsPublicSwitch release];
 828     [permissions release];
 829     [documentInteractionController release];
 830     [actionSelectedIndexPath release];
 831     [versionID release];
 832     [activityIndicatorView release];
 833     [super dealloc];
 834 }
 835
 836 #pragma mark -
 837 #pragma mark Helper functions
 838
 839 - (void)reloadMetadataSection {
 840     NSString *activityMessage = @"Loading metadata...";
 841     [activityIndicatorView release];
 842     activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:activityMessage] text:activityMessage];
 843     [activityIndicatorView addToView:self.view];
 844     [[self.account.manager getObjectInfo:container object:object version:versionID]
 845      success:^(OpenStackRequest *request) {
 846          [activityIndicatorView removeFromSuperview];
 847          object.metadata = [NSMutableDictionary dictionary];
 848          for (NSString *header in request.responseHeaders) {
 849              NSString *metadataKey;
 850              NSString *metadataValue;
 851              if ([header rangeOfString:@"X-Object-Meta-"].location != NSNotFound) {
 852                  metadataKey = [NSString decodeFromPercentEscape:[header substringFromIndex:14]];
 853                  metadataValue = [NSString decodeFromPercentEscape:[request.responseHeaders objectForKey:header]];
 854                  [object.metadata setObject:metadataValue forKey:metadataKey];
 855              }
 856          }
 857          NSIndexSet *metadataSections = [NSIndexSet indexSetWithIndex:kMetadata];
 858          [self.tableView reloadSections:metadataSections withRowAnimation:UITableViewRowAnimationFade];
 859      }
 860      failure:^(OpenStackRequest *request) {
 861          [activityIndicatorView removeFromSuperview];
 862          [self alert:@"There was a problem retrieving the object's metadata." request:request];
 863      }];
 864 }
 865
 866
 867 @end
 868