Add basic http download UI with the ability to schedule downloads

AspenProject/VLCHTTPDownloadViewController.h

+//
+//  VLCHTTPDownloadViewController.h
+//  VLC for iOS
+//
+//  Created by Felix Paul Kühne on 16.06.13.
+//  Copyright (c) 2013 VideoLAN. All rights reserved.
+//
+//  Refer to the COPYING file of the official project for license.
+//
+
+#import "VLCHTTPFileDownloader.h"
+
+@interface VLCHTTPDownloadViewController : UIViewController <UITableViewDataSource, UITableViewDelegate, VLCHTTPFileDownloader>
+
+@property (nonatomic, strong) IBOutlet UIButton *downloadButton;
+@property (nonatomic, strong) IBOutlet UITextField *urlField;
+@property (nonatomic, strong) IBOutlet UITableView *downloadsTable;
+
+@property (nonatomic, strong) IBOutlet UIProgressView *progressView;
+@property (nonatomic, strong) IBOutlet UIButton *cancelButton;
+@property (nonatomic, strong) IBOutlet UILabel *currentDownloadLabel;
+@property (nonatomic, strong) IBOutlet UIActivityIndicatorView *activityIndicator;
+
+- (IBAction)downloadAction:(id)sender;
+- (IBAction)cancelDownload:(id)sender;
+
+@end

AspenProject/VLCHTTPDownloadViewController.m

+//
+//  VLCHTTPDownloadViewController.m
+//  VLC for iOS
+//
+//  Created by Felix Paul Kühne on 16.06.13.
+//  Copyright (c) 2013 VideoLAN. All rights reserved.
+//
+//  Refer to the COPYING file of the official project for license.
+//
+
+#import "VLCHTTPDownloadViewController.h"
+#import "VLCHTTPFileDownloader.h"
+
+@interface VLCHTTPDownloadViewController ()
+{
+    VLCHTTPFileDownloader *_httpDownloader;
+    NSMutableArray *_currentDownloads;
+}
+@end
+
+@implementation VLCHTTPDownloadViewController
+
+- (void)viewDidLoad
+{
+    [self.downloadButton setTitle:@"Download" forState:UIControlStateNormal]; //FIXME l10n
+    _currentDownloads = [[NSMutableArray alloc] init];
+    [super viewDidLoad];
+}
+
+- (void)viewWillAppear:(BOOL)animated
+{
+    self.navigationController.navigationBarHidden = NO;
+
+    if ([[UIPasteboard generalPasteboard] containsPasteboardTypes:@[@"public.url", @"public.text"]]) {
+        NSURL *pasteURL = [[UIPasteboard generalPasteboard] valueForPasteboardType:@"public.url"];
+        if (!pasteURL || [[pasteURL absoluteString] isEqualToString:@""]) {
+            NSString *pasteString = [[UIPasteboard generalPasteboard] valueForPasteboardType:@"public.text"];
+            pasteURL = [NSURL URLWithString:pasteString];
+        }
+
+        if (pasteURL && ![[pasteURL scheme] isEqualToString:@""] && ![[pasteURL absoluteString] isEqualToString:@""])
+            self.urlField.text = [pasteURL absoluteString];
+    }
+
+    [super viewWillAppear:animated];
+}
+
+- (void)viewWillDisappear:(BOOL)animated
+{
+    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
+        self.navigationController.navigationBarHidden = YES;
+        [super viewWillDisappear:animated];
+}
+
+#pragma mark - UI interaction
+- (IBAction)downloadAction:(id)sender
+{
+    if ([self.urlField.text length] > 0) {
+        NSURL *URLtoSave = [NSURL URLWithString:self.urlField.text];
+        if (([URLtoSave.scheme isEqualToString:@"http"] || [URLtoSave.scheme isEqualToString:@"https"]) && ![URLtoSave.lastPathComponent.pathExtension isEqualToString:@""]) {
+            if (!_httpDownloader) {
+                _httpDownloader = [[VLCHTTPFileDownloader alloc] init];
+                _httpDownloader.delegate = self;
+            }
+            [_currentDownloads addObject:URLtoSave];
+            self.urlField.text = @"";
+
+            [self _triggerNextDownload];
+        }
+    }
+}
+
+#pragma mark - download management
+- (void)_triggerNextDownload
+{
+    if (!_httpDownloader.downloadInProgress && _currentDownloads.count > 0) {
+        [_httpDownloader downloadFileFromURL:_currentDownloads[0]];
+        [self.activityIndicator startAnimating];
+        [_currentDownloads removeObjectAtIndex:0];
+        [self.downloadsTable reloadData];
+    }
+}
+
+- (IBAction)cancelDownload:(id)sender
+{
+    if (_httpDownloader.downloadInProgress)
+        [_httpDownloader cancelDownload];
+}
+
+#pragma mark - VLC HTTP Downloader delegate
+
+- (void)downloadStarted
+{
+    [self.activityIndicator stopAnimating];
+    self.currentDownloadLabel.text = _httpDownloader.userReadableDownloadName;
+    self.progressView.progress = 0.;
+    self.currentDownloadLabel.hidden = NO;
+    self.progressView.hidden = NO;
+    self.cancelButton.hidden = NO;
+    APLog(@"download started");
+}
+
+- (void)downloadEnded
+{
+    self.currentDownloadLabel.hidden = YES;
+    self.progressView.hidden = YES;
+    self.cancelButton.hidden = YES;
+    APLog(@"download ended");
+
+    [self _triggerNextDownload];
+}
+
+- (void)downloadFailedWithErrorDescription:(NSString *)description
+{
+    APLog(@"download failed: %@", description);
+}
+
+- (void)progressUpdatedTo:(CGFloat)percentage
+{
+    [self.progressView setProgress:percentage animated:YES];
+}
+
+#pragma mark - table view data source
+- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
+{
+    return 1;
+}
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
+{
+    return _currentDownloads.count;
+}
+
+- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    static NSString *CellIdentifier = @"ScheduledDownloadsCell";
+
+    UITableViewCell *cell = (UITableViewCell *)[tableView dequeueReusableCellWithIdentifier:CellIdentifier];
+    if (cell == nil) {
+        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier];
+        cell.textLabel.textColor = [UIColor whiteColor];
+        cell.detailTextLabel.textColor = [UIColor colorWithWhite:.72 alpha:1.];
+    }
+
+    NSInteger row = indexPath.row;
+    cell.textLabel.text = [_currentDownloads[row] lastPathComponent];
+    cell.detailTextLabel.text = _currentDownloads[row];
+
+    return cell;
+}
+
+#pragma mark - table view delegate
+
+- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    cell.backgroundColor = (indexPath.row % 2 == 0)? [UIColor blackColor]: [UIColor colorWithWhite:.122 alpha:1.];
+}
+
+- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    return YES;
+}
+
+- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    if (editingStyle == UITableViewCellEditingStyleDelete) {
+        [_currentDownloads removeObjectAtIndex:indexPath.row];
+        [tableView reloadData];
+    }
+}
+
+@end

AspenProject/VLCMenuViewController.m

@@ -20,16 +20,16 @@
 #import "VLCHTTPFileDownloader.h"
 #import "IASKAppSettingsViewController.h"
 #import "VLCOpenNetworkStreamViewController.h"
+#import "VLCHTTPDownloadViewController.h"
 
 #import <ifaddrs.h>
 #import <arpa/inet.h>
 
 @interface VLCMenuViewController () {
     VLCHTTPUploaderController *_uploadController;
+    VLCHTTPDownloadViewController *_downloadViewController;
     Reachability *_reachability;
-    VLCHTTPFileDownloader *_httpDownloader;
 }
-- (void)_presentOpenURLViewFromView:(UIView *)view forSelector:(SEL)selector;
 @end
 
 @implementation VLCMenuViewController
@@ -142,27 +142,10 @@
 
 - (IBAction)downloadFromHTTPServer:(id)sender
 {
-    if (_httpDownloader) {
-        if (_httpDownloader.downloadInProgress)
-            return;
-    }
+    if (!_downloadViewController)
+        _downloadViewController = [[VLCHTTPDownloadViewController alloc] initWithNibName:nil bundle:nil];
 
-    if (sender == self.downloadFromHTTPServerButton) {
-        [self _presentOpenURLViewFromView:self.downloadFromHTTPServerButton forSelector:@selector(downloadFromHTTPServer:)];
-    } else {
-        NSURL *URLtoSave = [NSURL URLWithString:self.openURLField.text];
-        if (([URLtoSave.scheme isEqualToString:@"http"] || [URLtoSave.scheme isEqualToString:@"https"]) && ![URLtoSave.lastPathComponent.pathExtension isEqualToString:@""]) {
-            if (!_httpDownloader) {
-                _httpDownloader = [[VLCHTTPFileDownloader alloc] init];
-                _httpDownloader.mediaViewController = self;
-            }
-            [_httpDownloader downloadFileFromURL:URLtoSave];
-            [self.openURLView removeFromSuperview];
-        } else {
-            APLog(@"URL is not a file download");
-            [self _hideAnimated:YES];
-        }
-    }
+    [self.navigationController pushViewController:_downloadViewController animated:YES];
 }
 
 - (IBAction)showSettings:(id)sender
@@ -243,25 +226,4 @@
     [self presentModalViewController:navController animated:YES];
 }
 
-#pragma mark - Private methods
-
-- (void)_presentOpenURLViewFromView:(UIView *)view forSelector:(SEL)selector
-{
-    if ([[UIPasteboard generalPasteboard] containsPasteboardTypes:@[@"public.url", @"public.text"]]) {
-        NSURL *pasteURL = [[UIPasteboard generalPasteboard] valueForPasteboardType:@"public.url"];
-        if (!pasteURL || [[pasteURL absoluteString] isEqualToString:@""]) {
-            NSString *pasteString = [[UIPasteboard generalPasteboard] valueForPasteboardType:@"public.text"];
-            pasteURL = [NSURL URLWithString:pasteString];
-        }
-
-        if (pasteURL && ![[pasteURL scheme] isEqualToString:@""] && ![[pasteURL absoluteString] isEqualToString:@""])
-            self.openURLField.text = [pasteURL absoluteString];
-    }
-    if (self.openURLView.superview)
-        [self.openURLView removeFromSuperview];
-    [self.openURLButton removeTarget:nil action:NULL forControlEvents:UIControlEventTouchUpInside];
-    [self.openURLButton addTarget:self action:selector forControlEvents:UIControlEventTouchUpInside];
-    [view addSubview:self.openURLView];
-}
-
 @end

Resources/VLCHTTPDownloadViewController.xib

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