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

   1 //
   2 //  ContainersViewController.m
   3 //  OpenStack
   4 //
   5 //  Created by Mike Mayo on 12/7/10.
   6 //  The OpenStack project is provided under the Apache 2.0 license.
   7 //
   8
   9 #import "NSObject+Conveniences.h"
  10 #import "ContainersViewController.h"
  11 #import "OpenStackAccount.h"
  12 #import "Container.h"
  13 #import "AddContainerViewController.h"
  14 #import "UIViewController+Conveniences.h"
  15 #import "FolderViewController.h"
  16 #import "ContainerDetailViewController.h"
  17 #import "AccountManager.h"
  18 #import "OpenStackAppDelegate.h"
  19 #import "RootViewController.h"
  20 #import "APICallback.h"
  21 #import "Provider.h"
  22 #import "AccountHomeViewController.h"
  23
  24
  25 @implementation ContainersViewController
  26
  27 @synthesize tableView, account, accountUsageInfo, accountHomeViewController, containerDetailViewController;
  28
  29 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
  30     return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) || (toInterfaceOrientation == UIInterfaceOrientationPortrait);
  31 }
  32
  33 #pragma mark -
  34 #pragma mark View lifecycle
  35
  36 - (void)viewDidLoad {
  37     [super viewDidLoad];
  38     self.navigationItem.title = @"Containers";
  39     [self addAddButton];
  40     [self addHomeButton];
  41
  42     if (!account.shared && !account.sharingAccount && containersLoaded) {
  43         if (![self.account.containers objectForKey:@"pithos"])
  44             [self createContainerWithName:@"pithos"];
  45         if (![self.account.containers objectForKey:@"trash"])
  46             [self createContainerWithName:@"trash"];
  47     }
  48
  49 }
  50
  51 - (void)viewWillAppear:(BOOL)animated {
  52     [super viewWillAppear:animated];
  53
  54     if ([self.account.containers count] == 0) {
  55         self.tableView.allowsSelection = NO;
  56         self.tableView.scrollEnabled = NO;
  57         [self.tableView reloadData];
  58     }
  59     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
  60         if ([self.account.containers count] == 0 ) {
  61             NSIndexPath *indexPath = [NSIndexPath indexPathForRow:0 inSection:0];
  62             [self.tableView selectRowAtIndexPath:indexPath animated:NO scrollPosition:UITableViewScrollPositionNone];
  63             [self tableView:self.tableView didSelectRowAtIndexPath:indexPath];
  64         } else if ([self.tableView indexPathForSelectedRow].row == 0 && [self.tableView indexPathForSelectedRow].section == 0) {
  65             ContainerDetailViewController *vc = [[ContainerDetailViewController alloc] initWithNibName:@"ContainerDetailViewController" bundle:nil];
  66             [self presentPrimaryViewController:vc];
  67             [vc release];
  68         }
  69     }
  70
  71     if (!containersLoaded && [self.account.containers count] == 0) {
  72         [self refreshButtonPressed:nil];
  73     }
  74 }
  75
  76 - (void)viewDidDisappear:(BOOL)animated {
  77     [super viewDidDisappear:animated];
  78 }
  79
  80 #pragma mark -
  81 #pragma mark Button Handlers
  82
  83 - (void)addButtonPressed:(id)sender {
  84     AddContainerViewController *vc = [[AddContainerViewController alloc] initWithNibName:@"AddContainerViewController" bundle:nil];
  85     vc.containersViewController = self;
  86     vc.account = account;
  87     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
  88         vc.modalPresentationStyle = UIModalPresentationFormSheet;
  89         OpenStackAppDelegate *app = [[UIApplication sharedApplication] delegate];
  90         if (app.rootViewController.popoverController != nil) {
  91             [app.rootViewController.popoverController dismissPopoverAnimated:YES];
  92         }
  93     }
  94     [self presentModalViewControllerWithNavigation:vc];
  95     [vc release];
  96 }
  97
  98 - (IBAction)homeButtonPressed:(id)sender {
  99     [self.navigationController popToViewController:accountHomeViewController animated:YES];
 100 }
 101
 102
 103 - (void)enableRefreshButton {
 104     refreshButton.enabled = YES;
 105     [self hideToolbarActivityMessage];
 106     if (!account.sharingAccount)
 107         [self showToolbarInfoMessage:accountUsageInfo];
 108 }
 109
 110 - (void)refreshButtonPressed:(id)sender {
 111     refreshButton.enabled = NO;
 112         //BOOL hadZeroContainers = [self.account.containers count] == 0;
 113     if (!account.sharingAccount)
 114         [self hideToolbarInfoMessage];
 115     [self showToolbarActivityMessage:@"Refreshing containers..."];
 116
 117     [[self.account.manager getContainers] success:^(OpenStackRequest *request) {
 118         self.account.containers = [request containers];
 119         self.account.containerCount = [self.account.containers count];
 120         self.account.totalBytesUsed = [[request.responseHeaders objectForKey:@"X-Account-Bytes-Used"] longLongValue];
 121         self.account.quota = [[request.responseHeaders objectForKey:@"X-Account-Policy-Quota"] longLongValue];
 122         self.accountUsageInfo = [NSString stringWithFormat:@"%@ used, %@ available",
 123                                  [NSObject osxStyleHumanizedBytes:self.account.totalBytesUsed],
 124                                  [NSObject osxStyleHumanizedBytes:self.account.quota]];
 125
 126         [self.account persist];
 127         containersLoaded = YES;
 128         [self enableRefreshButton];
 129         [self.tableView reloadData];
 130         //GetCDNContainersRequest *cdnRequest = [GetCDNContainersRequest request:self.account];
 131         //[cdnRequest startAsynchronous];
 132
 133     } failure:^(OpenStackRequest *request) {
 134         containersLoaded = NO;
 135         [self enableRefreshButton];
 136         if (request.responseStatusCode != 0) {
 137             [self alert:@"There was a problem loading your containers." request:request];
 138         }
 139     }];
 140 }
 141
 142 #pragma mark -
 143 #pragma mark Table view data source
 144
 145 - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
 146     return 1;
 147 }
 148
 149 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
 150     if ([self.account.containers count] == 0) {
 151         self.tableView.allowsSelection = NO;
 152         self.tableView.scrollEnabled = NO;
 153     } else {
 154         self.tableView.allowsSelection = YES;
 155         self.tableView.scrollEnabled = YES;
 156     }
 157     if (!containersLoaded && [self.account.containers count] == 0) {
 158         return 0;
 159     } else {
 160         return MAX(1, [account.containers count]);
 161     }
 162 }
 163
 164 - (CGFloat)tableView:(UITableView *)aTableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
 165     if ([account.containers count] == 0) {
 166         return aTableView.frame.size.height;
 167     } else {
 168         return aTableView.rowHeight;
 169     }
 170 }
 171 - (UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
 172     if (containersLoaded && [self.account.containers count] == 0) {
 173         NSString *noContainersTitle = self.account.shared ? @"No shared containers" : @"No containers";
 174         NSString *noContainersSubtitle = self.account.shared ? @"" : @"Tap the + button to create a new container";
 175         self.navigationItem.rightBarButtonItem.enabled = !self.account.shared;
 176
 177         return [self tableView:tableView emptyCellWithImage:
 178                 [UIImage imageNamed:@"empty-containers.png"]
 179                          title:noContainersTitle
 180                       subtitle:noContainersSubtitle];
 181     } else {
 182         static NSString *CellIdentifier = @"Cell";
 183
 184         UITableViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:CellIdentifier];
 185         if (cell == nil) {
 186             cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease];
 187             if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 188                 cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
 189             } else {
 190                 cell.accessoryType = UITableViewCellAccessoryDetailDisclosureButton;
 191             }
 192         }
 193         Container *container = [self.account.pithosSortedContainers objectAtIndex:indexPath.row];
 194         cell.textLabel.text = container.name;
 195         if ([container.name isEqualToString:@"pithos"])
 196             cell.imageView.image = [UIImage imageNamed:@"PithosContainerIcon.png"];
 197         else if ([container.name isEqualToString:@"trash"])
 198             cell.imageView.image = [UIImage imageNamed:@"TrashIcon.png"];
 199         else
 200             cell.imageView.image = [UIImage imageNamed:@"ContainerIcon.png"];
 201
 202         if (!self.account.sharingAccount)
 203             cell.detailTextLabel.text = [container osxStyleHumanizedSize];
 204
 205         return cell;
 206     }
 207 }
 208
 209 #pragma mark -
 210 #pragma mark Table view delegate
 211
 212 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
 213     Container *container = nil;
 214     if ([account.containers count] > 0) {
 215         container = [self.account.pithosSortedContainers objectAtIndex:indexPath.row];
 216
 217         FolderViewController *vc = [[FolderViewController alloc] initWithNibName:@"FolderViewController" bundle:nil];
 218         vc.account = self.account;
 219         vc.container = container;
 220         vc.folder = container.rootFolder;
 221         vc.containersViewController = self;
 222         vc.selectedContainerIndexPath = indexPath;
 223         [self.navigationController pushViewController:vc animated:YES];
 224         [vc release];
 225         [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
 226     }
 227
 228     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 229         ContainerDetailViewController *vc = [[ContainerDetailViewController alloc] initWithNibName:@"ContainerDetailViewController" bundle:nil];
 230         vc.account = self.account;
 231         vc.container = container;
 232         vc.containersViewController = self;
 233         vc.selectedContainerIndexPath = indexPath;
 234         [self presentPrimaryViewController:vc];
 235         self.containerDetailViewController = vc;
 236         [vc release];
 237     }
 238 }
 239
 240 - (void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath {
 241     Container *container = nil;
 242     if ([account.containers count] > 0) {
 243         container = [self.account.pithosSortedContainers objectAtIndex:indexPath.row];
 244     }
 245     ContainerDetailViewController *vc = [[ContainerDetailViewController alloc] initWithNibName:@"ContainerDetailViewController" bundle:nil];
 246     vc.account = self.account;
 247     vc.container = container;
 248     vc.containersViewController = self;
 249     vc.selectedContainerIndexPath = indexPath;
 250     [self.navigationController pushViewController:vc animated:YES];
 251     [vc release];
 252 }
 253
 254 #pragma mark -
 255 #pragma mark Helper methods
 256
 257 - (NSString *)humanReadableSize:(unsigned long long)bytes {
 258     NSString *sizeUnit = @"bytes";
 259
 260     double sizeInBytes = bytes;
 261     if (bytes > 1023 && bytes < 1048576) {
 262         sizeInBytes =  bytes / 1024.0;
 263         sizeUnit = @"Kb";
 264     }
 265     else if (bytes > 1048575 && bytes < 1073741824) {
 266         sizeInBytes = bytes / 1048576.0;
 267         sizeUnit = @"Mb";
 268     }
 269     else if (bytes > 1073741823) {
 270         sizeInBytes = bytes / 1073741824.0;
 271         sizeUnit = @"Gb";
 272     }
 273
 274     NSString *humanReadableString = [NSString stringWithFormat:@"%.1f %@", sizeInBytes, sizeUnit];
 275     humanReadableString = [humanReadableString stringByReplacingOccurrencesOfString:@".0" withString:@""];
 276
 277     return humanReadableString;
 278 }
 279
 280 - (void)createContainerWithName:(NSString *)containerName {
 281     [self hideToolbarInfoMessage];
 282     [self showToolbarActivityMessage:@"Creating container..."];
 283     Container *container = [[Container alloc] init];
 284     container.name = containerName;
 285     [[self.account.manager createContainer:container]
 286      success:^(OpenStackRequest *request) {
 287          [self hideToolbarActivityMessage];
 288          if (!account.sharingAccount)
 289              [self showToolbarInfoMessage:accountUsageInfo];
 290          [self.tableView reloadData];
 291      }
 292      failure:^(OpenStackRequest *request) {
 293          [self hideToolbarActivityMessage];
 294          if (!account.sharingAccount)
 295              [self showToolbarInfoMessage:accountUsageInfo];
 296          [self alert:@"There was a problem creating your container." request:request];
 297      }];
 298     [container release];
 299 }
 300
 301
 302 #pragma mark -
 303 #pragma mark Memory management
 304
 305 - (void)dealloc {
 306     [accountUsageInfo release];
 307     [tableView release];
 308     [account release];
 309     [containerDetailViewController release];
 310     [super dealloc];
 311 }
 312
 313 @end