/*

     File: RootViewController.m

 Abstract: The main view controller of this app.

  Version: 1.2

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 expressly stated in this notice, no other rights or licenses, express or

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 The Apple Software is provided by Apple on an "AS IS" basis.  APPLE

 MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

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 FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND

 OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL

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 */

#import "RootViewController.h"

#import "HoverView.h"

@interface RootViewController ()

// Outlet to hold the HoverView instance loaded from HoverView.xib

@property (nonatomic, strong) IBOutlet HoverView *hoverView;

@property (nonatomic, strong) NSTimer *hoverViewInactiveTimer;

@end

@implementation RootViewController

#pragma mark - View Lifecycle

// -------------------------------------------------------------------------------

//  viewDidLoad

// -------------------------------------------------------------------------------

- (void)viewDidLoad

{

    // Load the hoverView from HoverView.xib

    UINib *hoverViewXib = [UINib nibWithNibName:@"HoverView" bundle:nil];

    [hoverViewXib instantiateWithOwner:self options:nil];

    [self.view addSubview:self.hoverView];

    self.hoverView.alpha = 0.0f;

}

// -------------------------------------------------------------------------------

//  viewDidLayoutSubviews

// -------------------------------------------------------------------------------

- (void)viewDidLayoutSubviews

{

    // Position hoverView in the lower center of the view.

    CGRect frame = self.hoverView.frame;

    frame.origin.x = round((self.view.bounds.size.width - frame.size.width) / 2.0);

    frame.origin.y = self.view.bounds.size.height - 100;

    self.hoverView.frame = frame;

}

#if __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_6_0

// -------------------------------------------------------------------------------

//  viewDidUnload

//  iOS 6 no longer unloads views under low memory conditions so this method

//  will not be called.  On iOS 5, unload anything that will be recreated in

//  viewDidLoad.

// -------------------------------------------------------------------------------

- (void)viewDidUnload

{

    [self.hoverView removeFromSuperview];

    self.hoverView = nil;

}

#endif

#pragma mark - Rotation

#if __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_6_0

// -------------------------------------------------------------------------------

//  shouldAutorotateToInterfaceOrientation:

//  Disable rotation on iOS 5.x and earlier.  Note, for iOS 6.0 and later all you

//  need is "UISupportedInterfaceOrientations" defined in your Info.plist

// -------------------------------------------------------------------------------

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation

{

    return (interfaceOrientation == UIInterfaceOrientationPortrait);

}

#endif

#pragma mark - Actions

// -------------------------------------------------------------------------------

//  showHoverView:

//  Helper method that animates the hoverView into or out of view deending on

//  the value of the 'show' parameter.  If animating the hoverView into view,

//  it starts a timer to hide the hoverView after a few seconds of inactivity.

// -------------------------------------------------------------------------------

- (void)showHoverView:(BOOL)show

{

    // Clear any pending actions.

    [self.hoverViewInactiveTimer invalidate];

    self.hoverViewInactiveTimer = nil;

    [UIView animateWithDuration:0.40 animations:^{

        if (show)

        {

            // Fade the hoverView into view by affecting its alpha.

            self.hoverView.alpha = 1.0f;

            // Start the timeout timer for automatically hiding HoverView

            self.hoverViewInactiveTimer = [NSTimer scheduledTimerWithTimeInterval:3.0

                                                                           target:self

                                                                         selector:@selector(timerFired:)

                                                                         userInfo:nil

                                                                          repeats:NO];

        }

        else

        {

            // Fade the hoverView out of view by affecting its alpha.

            self.hoverView.alpha = 0.0f;

        }

    }];

}

// -------------------------------------------------------------------------------

//  timerFired:

//  Called when the hoverViewInactiveTimer fires.

// -------------------------------------------------------------------------------

- (void)timerFired:(NSTimer *)timer

{

    // Time has passed, hide the HoverView.

    [self showHoverView: NO];

}

// -------------------------------------------------------------------------------

//  touchesEnded:withEvent:

//  Called when the user touches our view.

// -------------------------------------------------------------------------------

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event

{

    if ([[touches anyObject] tapCount] == 1)

        [self showHoverView:(self.hoverView.alpha != 1.0)];

}

// -------------------------------------------------------------------------------

//  leftAction:

//  IBAction for the pause button.

// -------------------------------------------------------------------------------

- (IBAction)leftAction:(id)sender

{

    // user touched the left button in HoverView

    [self showHoverView:NO];

}

// -------------------------------------------------------------------------------

//  rightAction:

//  IBAction for the play button.

// -------------------------------------------------------------------------------

- (IBAction)rightAction:(id)sender

{

    [self showHoverView:NO];

}

@end