clouds: check for available space left on device prior to downloading anything (refs #11474)

Sources/UIDevice+SpeedCategory.h

@@ -2,7 +2,7 @@
  * UIDevice+SpeedCategory.h
  * VLC for iOS
  *****************************************************************************
- * Copyright (c) 2013 VideoLAN. All rights reserved.
+ * Copyright (c) 2013-2015 VideoLAN. All rights reserved.
  * $Id$
  *
  * Authors: Felix Paul Kühne <fkuehne # videolan.org>
@@ -15,5 +15,6 @@
 @interface UIDevice (SpeedCategory)
 
 - (int)speedCategory;
+- (NSNumber *)freeDiskspace;
 
 @end

Sources/UIDevice+SpeedCategory.m

@@ -2,7 +2,7 @@
  * UIDevice+SpeedCategory.m
  * VLC for iOS
  *****************************************************************************
- * Copyright (c) 2013 VideoLAN. All rights reserved.
+ * Copyright (c) 2013-2015 VideoLAN. All rights reserved.
  * $Id$
  *
  * Authors: Felix Paul Kühne <fkuehne # videolan.org>
@@ -45,4 +45,22 @@
     }
 }
 
+- (NSNumber *)freeDiskspace
+{
+    NSNumber *totalSpace;
+    NSNumber *totalFreeSpace;
+    NSError *error = nil;
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
+    NSDictionary *dictionary = [[NSFileManager defaultManager] attributesOfFileSystemForPath:[paths lastObject] error: &error];
+
+    if (!error) {
+        totalSpace = [dictionary objectForKey: NSFileSystemSize];
+        totalFreeSpace = [dictionary objectForKey:NSFileSystemFreeSize];
+        APLog(@"Memory Capacity of %llu MiB with %llu MiB Free memory available.", (([totalSpace unsignedLongLongValue]/1024ll)/1024ll), (([totalFreeSpace unsignedLongLongValue]/1024ll)/1024ll));
+    } else
+        APLog(@"Error Obtaining System Memory Info: Domain = %@, Code = %i", [error domain], [error code]);
+
+    return totalFreeSpace;
+}
+
 @end

Sources/VLCBoxTableViewController.m

@@ -2,7 +2,7 @@
  * VLCBoxTableViewController.m
  * VLC for iOS
  *****************************************************************************
- * Copyright (c) 2014 VideoLAN. All rights reserved.
+ * Copyright (c) 2014-2015 VideoLAN. All rights reserved.
  * $Id$
  *
  * Authors: Carola Nitz <nitz.carola # googlemail.com>
@@ -14,6 +14,7 @@
 #import "VLCBoxController.h"
 #import "VLCAppDelegate.h"
 #import <SSKeychain/SSKeychain.h>
+#import "UIDevice+SpeedCategory.h"
 
 @interface VLCBoxTableViewController () <VLCCloudStorageTableViewCell, BoxAuthorizationViewControllerDelegate>
 {
@@ -134,12 +135,16 @@
 {
     _selectedFile = _boxController.currentListFiles[[self.tableView indexPathForCell:cell].row];
 
-    /* selected item is a proper file, ask the user if s/he wants to download it */
-    UIAlertView * alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DROPBOX_DOWNLOAD", nil) message:[NSString stringWithFormat:NSLocalizedString(@"DROPBOX_DL_LONG", nil), _selectedFile.name, [[UIDevice currentDevice] model]] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_CANCEL", nil) otherButtonTitles:NSLocalizedString(@"BUTTON_DOWNLOAD", nil), nil];
-    [alert show];
+    if (_selectedFile.size.longLongValue < [[UIDevice currentDevice] freeDiskspace].longLongValue) {
+        /* selected item is a proper file, ask the user if s/he wants to download it */
+        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DROPBOX_DOWNLOAD", nil) message:[NSString stringWithFormat:NSLocalizedString(@"DROPBOX_DL_LONG", nil), _selectedFile.name, [[UIDevice currentDevice] model]] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_CANCEL", nil) otherButtonTitles:NSLocalizedString(@"BUTTON_DOWNLOAD", nil), nil];
+        [alert show];
+    } else {
+        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DISK_FULL", nil) message:[NSString stringWithFormat:NSLocalizedString(@"DISK_FULL_FORMAT", nil), _selectedFile.name, [[UIDevice currentDevice] model]] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_OK", nil) otherButtonTitles:nil];
+        [alert show];
+    }
 }
 
-
 - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
 {
     if (buttonIndex == 1)

Sources/VLCDropboxTableViewController.m

@@ -2,7 +2,7 @@
  * VLCDropboxTableViewController.m
  * VLC for iOS
  *****************************************************************************
- * Copyright (c) 2013 VideoLAN. All rights reserved.
+ * Copyright (c) 2013-2015 VideoLAN. All rights reserved.
  * $Id$
  *
  * Authors: Felix Paul Kühne <fkuehne # videolan.org>
@@ -18,6 +18,7 @@
 #import "VLCDropboxController.h"
 #import "VLCAppDelegate.h"
 #import "VLCDropboxConstants.h"
+#import "UIDevice+SpeedCategory.h"
 
 @interface VLCDropboxTableViewController () <VLCCloudStorageTableViewCell>
 {
@@ -123,9 +124,14 @@
 {
     _selectedFile = _dropboxController.currentListFiles[[self.tableView indexPathForCell:cell].row];
 
-    /* selected item is a proper file, ask the user if s/he wants to download it */
-    UIAlertView * alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DROPBOX_DOWNLOAD", nil) message:[NSString stringWithFormat:NSLocalizedString(@"DROPBOX_DL_LONG", nil), _selectedFile.filename, [[UIDevice currentDevice] model]] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_CANCEL", nil) otherButtonTitles:NSLocalizedString(@"BUTTON_DOWNLOAD", nil), nil];
-    [alert show];
+    if (_selectedFile.totalBytes < [[UIDevice currentDevice] freeDiskspace].longLongValue) {
+        /* selected item is a proper file, ask the user if s/he wants to download it */
+        UIAlertView * alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DROPBOX_DOWNLOAD", nil) message:[NSString stringWithFormat:NSLocalizedString(@"DROPBOX_DL_LONG", nil), _selectedFile.filename, [[UIDevice currentDevice] model]] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_CANCEL", nil) otherButtonTitles:NSLocalizedString(@"BUTTON_DOWNLOAD", nil), nil];
+        [alert show];
+    } else {
+        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DISK_FULL", nil) message:[NSString stringWithFormat:NSLocalizedString(@"DISK_FULL_FORMAT", nil), _selectedFile.filename, [[UIDevice currentDevice] model]] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_OK", nil) otherButtonTitles:nil];
+        [alert show];
+    }
 }
 
 @end

Sources/VLCGoogleDriveTableViewController.m

@@ -2,7 +2,7 @@
  * VLCGoogleDriveTableViewController.m
  * VLC for iOS
  *****************************************************************************
- * Copyright (c) 2013 VideoLAN. All rights reserved.
+ * Copyright (c) 2013-2015 VideoLAN. All rights reserved.
  * $Id$
  *
  * Authors: Carola Nitz <nitz.carola # googlemail.com>
@@ -15,6 +15,7 @@
 #import "VLCAppDelegate.h"
 #import "GTMOAuth2ViewControllerTouch.h"
 #import "VLCGoogleDriveController.h"
+#import "UIDevice+SpeedCategory.h"
 
 @interface VLCGoogleDriveTableViewController () <VLCCloudStorageTableViewCell>
 {
@@ -132,9 +133,14 @@
 {
     _selectedFile = _googleDriveController.currentListFiles[[self.tableView indexPathForCell:cell].row];
 
-    /* selected item is a proper file, ask the user if s/he wants to download it */
-    UIAlertView * alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DROPBOX_DOWNLOAD", nil) message:[NSString stringWithFormat:NSLocalizedString(@"DROPBOX_DL_LONG", nil), _selectedFile.title, [[UIDevice currentDevice] model]] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_CANCEL", nil) otherButtonTitles:NSLocalizedString(@"BUTTON_DOWNLOAD", nil), nil];
-    [alert show];
+    if (_selectedFile.fileSize.longLongValue < [[UIDevice currentDevice] freeDiskspace].longLongValue) {
+        /* selected item is a proper file, ask the user if s/he wants to download it */
+        UIAlertView * alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DROPBOX_DOWNLOAD", nil) message:[NSString stringWithFormat:NSLocalizedString(@"DROPBOX_DL_LONG", nil), _selectedFile.title, [[UIDevice currentDevice] model]] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_CANCEL", nil) otherButtonTitles:NSLocalizedString(@"BUTTON_DOWNLOAD", nil), nil];
+        [alert show];
+    } else {
+        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DISK_FULL", nil) message:[NSString stringWithFormat:NSLocalizedString(@"DISK_FULL_FORMAT", nil), _selectedFile.title, [[UIDevice currentDevice] model]] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_OK", nil) otherButtonTitles:nil];
+        [alert show];
+    }
 }
 
 - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex

Sources/VLCOneDriveTableViewController.m

@@ -17,6 +17,7 @@
 #import "VLCAppDelegate.h"
 #import "VLCOneDriveController.h"
 #import "VLCProgressView.h"
+#import "UIDevice+SpeedCategory.h"
 
 @interface VLCOneDriveTableViewController ()
 {
@@ -132,8 +133,14 @@
     NSIndexPath *indexPath = [self.tableView indexPathForCell:cell];
     _selectedFile = _oneDriveController.currentFolder.items[indexPath.row];
 
-    UIAlertView * alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DROPBOX_DOWNLOAD", nil) message:[NSString stringWithFormat:NSLocalizedString(@"DROPBOX_DL_LONG", nil), _selectedFile.name, [[UIDevice currentDevice] model]] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_CANCEL", nil) otherButtonTitles:NSLocalizedString(@"BUTTON_DOWNLOAD", nil), nil];
-    [alert show];
+    if (_selectedFile.size.longLongValue < [[UIDevice currentDevice] freeDiskspace].longLongValue) {
+        /* selected item is a proper file, ask the user if s/he wants to download it */
+        UIAlertView * alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DROPBOX_DOWNLOAD", nil) message:[NSString stringWithFormat:NSLocalizedString(@"DROPBOX_DL_LONG", nil), _selectedFile.name, [[UIDevice currentDevice] model]] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_CANCEL", nil) otherButtonTitles:NSLocalizedString(@"BUTTON_DOWNLOAD", nil), nil];
+        [alert show];
+    } else {
+        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DISK_FULL", nil) message:[NSString stringWithFormat:NSLocalizedString(@"DISK_FULL_FORMAT", nil), _selectedFile.name, [[UIDevice currentDevice] model]] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_OK", nil) otherButtonTitles:nil];
+        [alert show];
+    }
 }
 
 @end