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//
// UYLDetailViewController.m
//
// Created by Keith Harrison http://useyourloaf.com
// Copyright (c) 2012 Keith Harrison. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// Neither the name of Keith Harrison nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ''AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#import "UYLTaskViewController.h"
@interface UYLTaskViewController ()
@property (assign, nonatomic) BOOL running;
@property (strong, nonatomic) NSTimer *taskTimer;
@property (strong, nonatomic) UIPopoverController *masterPopoverController;
@property (weak, nonatomic) IBOutlet UIButton *taskResetButton;
- (void)configureView;
- (void)saveContext;
- (IBAction)taskResetAction;
- (void)voiceOverStatusChanged;
@end
@implementation UYLTaskViewController
@synthesize task=_task;
@synthesize taskNote=_taskNote;
@synthesize taskCounterView=_taskCounterView;
@synthesize taskResetButton=_taskResetButton;
@synthesize running=_running;
@synthesize taskTimer=_taskTimer;
@synthesize masterPopoverController = _masterPopoverController;
#pragma mark -
#pragma mark === Accessors ===
#pragma mark -
- (void)setTask:(Task *)newTask
{
if (_task != newTask)
{
_task = newTask;
self.running = NO;
self.taskTimer = nil;
// Update the view.
[self configureView];
}
if (self.masterPopoverController != nil) {
[self.masterPopoverController dismissPopoverAnimated:YES];
}
}
- (void)setTaskTimer:(NSTimer *)taskTimer
{
[_taskTimer invalidate];
_taskTimer = taskTimer;
}
#pragma mark -
#pragma mark === View Life Cycle Management ===
#pragma mark -
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self)
{
self.title = NSLocalizedString(@"Task", nil);
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
self.taskCounterView.delegate = self;
[self configureView];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(voiceOverStatusChanged)
name:UIAccessibilityVoiceOverStatusChanged
object:nil];
}
- (void)viewDidUnload
{
[super viewDidUnload];
self.taskTimer = nil;
[self saveContext];
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
- (void)viewWillAppear:(BOOL)animated
{
[self becomeFirstResponder];
}
- (void)viewWillDisappear:(BOOL)animated
{
[super viewWillDisappear:animated];
self.taskTimer = nil;
[self saveContext];
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return YES;
}
- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation
{
// The accessibility elements should be recalculated when the orientation changes
self.taskCounterView.accessibleElements = nil;
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
#pragma mark -
#pragma mark === Split View Delegate methods ===
#pragma mark -
- (BOOL)splitViewController:(UISplitViewController *)svc shouldHideViewController:(UIViewController *)vc inOrientation:(UIInterfaceOrientation)orientation {
return NO;
}
- (void)splitViewController:(UISplitViewController *)splitController willHideViewController:(UIViewController *)viewController withBarButtonItem:(UIBarButtonItem *)barButtonItem forPopoverController:(UIPopoverController *)popoverController
{
barButtonItem.title = NSLocalizedString(@"Task List", nil);
[self.navigationItem setLeftBarButtonItem:barButtonItem animated:YES];
self.masterPopoverController = popoverController;
}
- (void)splitViewController:(UISplitViewController *)splitController willShowViewController:(UIViewController *)viewController invalidatingBarButtonItem:(UIBarButtonItem *)barButtonItem
{
// Called when the view is shown again in the split view, invalidating the button and popover controller.
[self.navigationItem setLeftBarButtonItem:nil animated:YES];
self.masterPopoverController = nil;
}
#pragma mark -
#pragma mark === Text delegate methods ===
#pragma mark -
- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
if (self.task)
{
self.task.note = textField.text;
}
[textField resignFirstResponder];
return YES;
}
#pragma mark -
#pragma mark === UIResponder Respond to motion events ===
#pragma mark -
- (BOOL)canBecomeFirstResponder
{
return YES;
}
- (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event
{
[self taskResetAction];
}
#pragma mark -
#pragma mark === UYLCounterViewDelegate methods ===
#pragma mark -
- (void)didStartCounter
{
self.running = YES;
// Create a timer that fires every second.
NSTimer *timer = [NSTimer scheduledTimerWithTimeInterval:1.0
target:self
selector:@selector(timerTick:)
userInfo:nil
repeats:YES];
self.taskTimer = timer;
}
- (void)didStopCounter
{
if (self.task)
{
self.task.complete = [NSNumber numberWithBool:YES];
}
self.running = NO;
self.taskTimer = nil;
[self saveContext];
}
- (void)timerTick:(NSTimer *)timer
{
if (self.running && self.task)
{
NSUInteger duration = [self.task.duration integerValue];
duration++;
self.task.duration = [NSNumber numberWithInteger:duration];
self.taskCounterView.secondsCounter = duration;
}
}
#pragma mark -
#pragma mark === Private methods ===
#pragma mark -
- (void)configureView
{
NSInteger duration = 0;
self.taskNote.enabled = NO;
self.taskCounterView.counterEnabled = NO;
self.taskNote.text = nil;
if (self.task)
{
self.taskNote.enabled = YES;
self.taskNote.text = self.task.note;
duration = [self.task.duration integerValue];
if ([self.task.complete boolValue] == NO)
{
self.taskCounterView.counterEnabled = YES;
}
}
self.taskCounterView.secondsCounter = duration;
self.taskResetButton.hidden = ! UIAccessibilityIsVoiceOverRunning();
}
- (void)saveContext
{
NSError *error = nil;
NSManagedObjectContext *managedObjectContext = [self.task managedObjectContext];
if (managedObjectContext != nil)
{
if ([managedObjectContext hasChanges] && ![managedObjectContext save:&error])
{
NSLog(@"Unresolved error %@, %@", error, [error userInfo]);
}
}
}
- (IBAction)taskResetAction
{
if (self.task)
{
self.running = NO;
self.taskTimer = nil;
self.task.duration = [NSNumber numberWithInteger:0];
self.task.complete = [NSNumber numberWithBool:NO];
self.taskCounterView.secondsCounter = 0;
self.taskCounterView.counterEnabled = YES;
}
}
- (void)voiceOverStatusChanged
{
self.taskResetButton.hidden = ! UIAccessibilityIsVoiceOverRunning();
}
@end