CyteKit/ViewController.mm

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008-2013  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU General Public License, Version 3 {{{ */
   6 /*
   7  * Cydia is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation, either version 3 of the License,
  10  * or (at your option) any later version.
  11  *
  12  * Cydia is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with Cydia.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #include "CyteKit/ViewController.h"
  23
  24 #include <Foundation/Foundation.h>
  25 #include <UIKit/UIKit.h>
  26
  27 #include "iPhonePrivate.h"
  28
  29 extern bool IsWildcat_;
  30
  31 @implementation UIViewController (Cydia)
  32
  33 - (BOOL) hasLoaded {
  34     return YES;
  35 }
  36
  37 - (void) reloadData {
  38     [self view];
  39 }
  40
  41 - (void) unloadData {
  42     if (UIViewController *modal = [self modalViewController])
  43         [modal unloadData];
  44 }
  45
  46 - (UIViewController *) parentOrPresentingViewController {
  47     if (UIViewController *parent = [self parentViewController])
  48         return parent;
  49     if ([self respondsToSelector:@selector(presentingViewController)])
  50         return [self presentingViewController];
  51     return nil;
  52 }
  53
  54 @end
  55
  56 @implementation CyteViewController
  57
  58 - (void) setDelegate:(id)delegate {
  59     delegate_ = delegate;
  60 }
  61
  62 - (id) delegate {
  63     return delegate_;
  64 }
  65
  66 - (void) viewWillAppear:(BOOL)animated {
  67     [super viewWillAppear:animated];
  68
  69     // Load on first appearance. We don't need to set the loaded flag here
  70     // because it is set for us the first time -reloadData is called.
  71     if (![self hasLoaded])
  72         [self reloadData];
  73 }
  74
  75 - (BOOL) hasLoaded {
  76     return loaded_;
  77 }
  78
  79 - (void) releaseSubviews {
  80     loaded_ = NO;
  81 }
  82
  83 - (void) setView:(UIView *)view {
  84     // Nasty hack for 2.x-compatibility. In 3.0+, we can and
  85     // should just override -viewDidUnload instead.
  86     if (view == nil)
  87         [self releaseSubviews];
  88
  89     [super setView:view];
  90 }
  91
  92 - (void) reloadData {
  93     [super reloadData];
  94
  95     // This is called automatically on the first appearance of a controller,
  96     // or any other time it needs to reload the information shown. However (!),
  97     // this is not called by any tab bar or navigation controller's -reloadData
  98     // method unless this controller returns YES from -hadLoaded.
  99     loaded_ = YES;
 100 }
 101
 102 - (void) unloadData {
 103     loaded_ = NO;
 104     [super unloadData];
 105 }
 106
 107 - (NSURL *) navigationURL {
 108     return nil;
 109 }
 110
 111 - (BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)orientation {
 112     return IsWildcat_ || orientation == UIInterfaceOrientationPortrait;
 113 }
 114
 115 - (NSUInteger) supportedInterfaceOrientations {
 116     return IsWildcat_ ? UIInterfaceOrientationMaskAll : UIInterfaceOrientationMaskPortrait;
 117 }
 118
 119 - (BOOL) shouldAutorotate {
 120     return YES;
 121 }
 122
 123 - (void) setPageColor:(UIColor *)color {
 124     if (color == nil) {
 125         color = [UIColor groupTableViewBackgroundColor];
 126         // on iOS 6 they removed groupTableViewBackgroundColor (it is present on iOS 5 and iOS 6)
 127         if ([color isEqual:[UIColor clearColor]]) {
 128             if (!IsWildcat_) // on devices that aren't iPads, we can just fall back to pinStripeColor
 129                 color = [UIColor pinStripeColor];
 130             else // I don't remember where I got this color, but it is only an approximation of a gradient
 131                 color = [UIColor colorWithRed:(215.0/255.0) green:(217.0/255.0) blue:(223.0/255.0) alpha:1.0];
 132         }
 133     } color_ = color;
 134 }
 135
 136 @end