/* Cydia - iPhone UIKit Front-End for Debian APT
 * Copyright (C) 2008-2013  Jay Freeman (saurik)
*/

/* GNU General Public License, Version 3 {{{ */
/*
 * Cydia is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * Cydia is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Cydia.  If not, see <http://www.gnu.org/licenses/>.
**/
/* }}} */

#include "CyteKit/ViewController.h"

#include <Foundation/Foundation.h>
#include <UIKit/UIKit.h>

#include "iPhonePrivate.h"

extern bool IsWildcat_;

@implementation UIViewController (Cydia)

- (BOOL) hasLoaded {
    return YES;
}

- (void) reloadData {
    [self view];
}

- (void) unloadData {
    if (UIViewController *modal = [self modalViewController])
        [modal unloadData];
}

- (UIViewController *) parentOrPresentingViewController {
    if (UIViewController *parent = [self parentViewController])
        return parent;
    if ([self respondsToSelector:@selector(presentingViewController)])
        return [self presentingViewController];
    return nil;
}

@end

@implementation CyteViewController

- (void) setDelegate:(id)delegate {
    delegate_ = delegate;
}

- (id) delegate {
    return delegate_;
}

- (void) viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];

    // Load on first appearance. We don't need to set the loaded flag here
    // because it is set for us the first time -reloadData is called.
    if (![self hasLoaded])
        [self reloadData];
}

- (BOOL) hasLoaded {
    return loaded_;
}

- (void) releaseSubviews {
    loaded_ = NO;
}

- (void) setView:(UIView *)view {
    // Nasty hack for 2.x-compatibility. In 3.0+, we can and
    // should just override -viewDidUnload instead.
    if (view == nil)
        [self releaseSubviews];

    [super setView:view];
}

- (void) reloadData {
    [super reloadData];

    // This is called automatically on the first appearance of a controller,
    // or any other time it needs to reload the information shown. However (!),
    // this is not called by any tab bar or navigation controller's -reloadData
    // method unless this controller returns YES from -hadLoaded.
    loaded_ = YES;
}

- (void) unloadData {
    loaded_ = NO;
    [super unloadData];
}

- (NSURL *) navigationURL {
    return nil;
}

- (BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)orientation {
    return IsWildcat_ || orientation == UIInterfaceOrientationPortrait;
}

- (NSUInteger) supportedInterfaceOrientations {
    return IsWildcat_ ? UIInterfaceOrientationMaskAll : UIInterfaceOrientationMaskPortrait;
}

- (BOOL) shouldAutorotate {
    return YES;
}

- (void) setPageColor:(UIColor *)color {
    if (color == nil) {
        color = [UIColor groupTableViewBackgroundColor];
        // on iOS 6 they removed groupTableViewBackgroundColor (it is present on iOS 5 and iOS 6)
        if ([color isEqual:[UIColor clearColor]]) {
            if (!IsWildcat_) // on devices that aren't iPads, we can just fall back to pinStripeColor
                color = [UIColor pinStripeColor];
            else // I don't remember where I got this color, but it is only an approximation of a gradient
                color = [UIColor colorWithRed:(215.0/255.0) green:(217.0/255.0) blue:(223.0/255.0) alpha:1.0];
        }
    } color_ = color;
}

@end