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IIViewDeckController.m
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IIViewDeckController.m
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//
// IIViewDeckController.m
// IIViewDeck
//
// Copyright (C) 2011, Tom Adriaenssen
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
// of the Software, and to permit persons to whom the Software is furnished to do
// so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// define some LLVM3 macros if the code is compiled with a different compiler (ie LLVMGCC42)
#ifndef __has_feature
#define __has_feature(x) 0
#endif
#ifndef __has_extension
#define __has_extension __has_feature // Compatibility with pre-3.0 compilers.
#endif
#if __has_feature(objc_arc) && __clang_major__ >= 3
#define II_ARC_ENABLED 1
#endif // __has_feature(objc_arc)
#if II_ARC_ENABLED
#define II_RETAIN(xx) ((void)(0))
#define II_RELEASE(xx) ((void)(0))
#define II_AUTORELEASE(xx) (xx)
#else
#define II_RETAIN(xx) [xx retain]
#define II_RELEASE(xx) [xx release]
#define II_AUTORELEASE(xx) [xx autorelease]
#endif
#define II_FLOAT_EQUAL(x, y) (((x) - (y)) == 0.0f)
#define II_STRING_EQUAL(a, b) ((a == nil && b == nil) || (a != nil && [a isEqualToString:b]))
#define II_CGRectOffsetRightAndShrink(rect, offset) \
({ \
__typeof__(rect) __r = (rect); \
__typeof__(offset) __o = (offset); \
(CGRect) { { __r.origin.x, __r.origin.y }, \
{ __r.size.width - __o, __r.size.height } \
}; \
})
#define II_CGRectOffsetTopAndShrink(rect, offset) \
({ \
__typeof__(rect) __r = (rect); \
__typeof__(offset) __o = (offset); \
(CGRect) { { __r.origin.x, __r.origin.y + __o }, \
{ __r.size.width, __r.size.height - __o } \
}; \
})
#define II_CGRectOffsetBottomAndShrink(rect, offset) \
({ \
__typeof__(rect) __r = (rect); \
__typeof__(offset) __o = (offset); \
(CGRect) { { __r.origin.x, __r.origin.y }, \
{ __r.size.width, __r.size.height - __o} \
}; \
})
#define II_CGRectShrink(rect, w, h) \
({ \
__typeof__(rect) __r = (rect); \
__typeof__(w) __w = (w); \
__typeof__(h) __h = (h); \
(CGRect) { __r.origin, \
{ __r.size.width - __w, __r.size.height - __h} \
}; \
})
#import "IIViewDeckController.h"
#import <objc/runtime.h>
#import <QuartzCore/QuartzCore.h>
#import <objc/message.h>
#import "WrapController.h"
#define DURATION_FAST 0.3
#define DURATION_SLOW 0.3
#define SLIDE_DURATION(animated,duration) ((animated) ? (duration) : 0)
#define OPEN_SLIDE_DURATION(animated) SLIDE_DURATION(animated,DURATION_FAST)
#define CLOSE_SLIDE_DURATION(animated) SLIDE_DURATION(animated,DURATION_SLOW)
@interface IIViewDeckController () <UIGestureRecognizerDelegate>
@property (nonatomic, retain) UIView* referenceView;
@property (nonatomic, readonly) CGRect referenceBounds;
@property (nonatomic, readonly) CGRect centerViewBounds;
@property (nonatomic, readonly) CGRect sideViewBounds;
@property (nonatomic, retain) NSMutableArray* panners;
@property (nonatomic, assign) CGFloat originalShadowRadius;
@property (nonatomic, assign) CGFloat originalShadowOpacity;
@property (nonatomic, retain) UIColor* originalShadowColor;
@property (nonatomic, assign) CGSize originalShadowOffset;
@property (nonatomic, retain) UIBezierPath* originalShadowPath;
@property (nonatomic, retain) UIButton* centerTapper;
@property (nonatomic, retain) UIView* centerView;
@property (nonatomic, readonly) UIView* slidingControllerView;
- (void)cleanup;
- (BOOL)closeLeftViewAnimated:(BOOL)animated options:(UIViewAnimationOptions)options completion:(void(^)(IIViewDeckController* controller))completed;
- (void)openLeftViewAnimated:(BOOL)animated options:(UIViewAnimationOptions)options completion:(void(^)(IIViewDeckController* controller))completed;
- (BOOL)closeRightViewAnimated:(BOOL)animated options:(UIViewAnimationOptions)options completion:(void(^)(IIViewDeckController* controller))completed;
- (void)openRightViewAnimated:(BOOL)animated options:(UIViewAnimationOptions)options completion:(void(^)(IIViewDeckController* controller))completed;
- (CGRect)slidingRectForOffset:(CGFloat)offset;
- (CGSize)slidingSizeForOffset:(CGFloat)offset;
- (void)setSlidingFrame:(CGRect)frame;
- (void)setSlidingAndReferenceViews;
- (void)applyShadowToSlidingView;
- (void)restoreShadowToSlidingView;
- (void)arrangeViewsAfterRotation;
- (CGFloat)relativeStatusBarHeight;
- (void)centerViewVisible;
- (void)centerViewHidden;
- (void)centerTapped;
- (void)addPanners;
- (void)removePanners;
- (BOOL)checkDelegate:(SEL)selector animated:(BOOL)animated;
- (void)performDelegate:(SEL)selector animated:(BOOL)animated;
- (void)performOffsetDelegate:(SEL)selector offset:(CGFloat)offset;
- (void)relayAppearanceMethod:(void(^)(UIViewController* controller))relay;
@end
@interface UIViewController (UIViewDeckItem_Internal)
// internal setter for the viewDeckController property on UIViewController
- (void)setViewDeckController:(IIViewDeckController*)viewDeckController;
@end
@implementation IIViewDeckController
@synthesize panningMode = _panningMode;
@synthesize panners = _panners;
@synthesize referenceView = _referenceView;
@synthesize slidingController = _slidingController;
@synthesize centerController = _centerController;
@synthesize leftController = _leftController;
@synthesize rightController = _rightController;
@synthesize leftLedge = _leftLedge;
@synthesize rightLedge = _rightLedge;
@synthesize resizesCenterView = _resizesCenterView;
@synthesize originalShadowOpacity = _originalShadowOpacity;
@synthesize originalShadowPath = _originalShadowPath;
@synthesize originalShadowRadius = _originalShadowRadius;
@synthesize originalShadowColor = _originalShadowColor;
@synthesize originalShadowOffset = _originalShadowOffset;
@synthesize delegate = _delegate;
@synthesize navigationControllerBehavior = _navigationControllerBehavior;
@synthesize panningView = _panningView;
@synthesize centerhiddenInteractivity = _centerhiddenInteractivity;
@synthesize centerTapper = _centerTapper;
@synthesize centerView = _centerView;
@synthesize rotationBehavior = _rotationBehavior;
@synthesize enabled = _enabled;
@synthesize elastic = _elastic;
#pragma mark - Initalisation and deallocation
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
return [self initWithCenterViewController:nil];
}
- (id)initWithCenterViewController:(UIViewController*)centerController {
if ((self = [super initWithNibName:nil bundle:nil])) {
_elastic = YES;
_panningMode = IIViewDeckFullViewPanning;
_navigationControllerBehavior = IIViewDeckNavigationControllerContained;
_centerhiddenInteractivity = IIViewDeckCenterHiddenUserInteractive;
_rotationBehavior = IIViewDeckRotationKeepsLedgeSizes;
_viewAppeared = NO;
_resizesCenterView = NO;
self.panners = [NSMutableArray array];
self.enabled = YES;
self.originalShadowRadius = 0;
self.originalShadowOffset = CGSizeZero;
self.originalShadowColor = nil;
self.originalShadowOpacity = 0;
self.originalShadowPath = nil;
_slidingController = nil;
self.centerController = centerController;
self.leftController = nil;
self.rightController = nil;
self.leftLedge = 44;
self.rightLedge = 44;
}
return self;
}
- (id)initWithCenterViewController:(UIViewController*)centerController leftViewController:(UIViewController*)leftController {
if ((self = [self initWithCenterViewController:centerController])) {
self.leftController = leftController;
}
return self;
}
- (id)initWithCenterViewController:(UIViewController*)centerController rightViewController:(UIViewController*)rightController {
if ((self = [self initWithCenterViewController:centerController])) {
self.rightController = rightController;
}
return self;
}
- (id)initWithCenterViewController:(UIViewController*)centerController leftViewController:(UIViewController*)leftController rightViewController:(UIViewController*)rightController {
if ((self = [self initWithCenterViewController:centerController])) {
self.leftController = leftController;
self.rightController = rightController;
}
return self;
}
- (void)cleanup {
self.originalShadowRadius = 0;
self.originalShadowOpacity = 0;
self.originalShadowColor = nil;
self.originalShadowOffset = CGSizeZero;
self.originalShadowPath = nil;
_slidingController = nil;
self.referenceView = nil;
self.centerView = nil;
self.centerTapper = nil;
}
- (void)dealloc {
[self cleanup];
self.centerController.viewDeckController = nil;
self.centerController = nil;
self.leftController.viewDeckController = nil;
self.leftController = nil;
self.rightController.viewDeckController = nil;
self.rightController = nil;
self.panners = nil;
#if !II_ARC_ENABLED
[super dealloc];
#endif
}
#pragma mark - Memory management
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
[self.centerController didReceiveMemoryWarning];
[self.leftController didReceiveMemoryWarning];
[self.rightController didReceiveMemoryWarning];
}
#pragma mark - Bookkeeping
- (NSArray*)controllers {
NSMutableArray* result = [NSMutableArray arrayWithObject:self.centerController];
if (self.leftController) [result addObject:self.leftController];
if (self.rightController) [result addObject:self.rightController];
return [NSArray arrayWithArray:result];
}
- (CGRect)referenceBounds {
return self.referenceView.bounds;
}
- (CGFloat)relativeStatusBarHeight {
if (![self.referenceView isKindOfClass:[UIWindow class]])
return 0;
return [self statusBarHeight];
}
- (CGFloat)statusBarHeight {
return UIInterfaceOrientationIsLandscape([UIApplication sharedApplication].statusBarOrientation)
? [UIApplication sharedApplication].statusBarFrame.size.width
: [UIApplication sharedApplication].statusBarFrame.size.height;
}
- (CGRect)centerViewBounds {
if (self.navigationControllerBehavior == IIViewDeckNavigationControllerContained)
return self.referenceBounds;
return II_CGRectShrink(self.referenceBounds, 0, [self statusBarHeight] + (self.navigationController.navigationBarHidden ? 0 : self.navigationController.navigationBar.frame.size.height));
}
- (CGRect)sideViewBounds {
if (self.navigationControllerBehavior == IIViewDeckNavigationControllerContained)
return self.referenceBounds;
return II_CGRectOffsetTopAndShrink(self.referenceBounds, [self statusBarHeight]);
}
- (CGRect)slidingRectForOffset:(CGFloat)offset {
return (CGRect) { {self.resizesCenterView && offset < 0 ? 0 : offset, 0}, [self slidingSizeForOffset:offset] };
}
- (CGSize)slidingSizeForOffset:(CGFloat)offset {
if (!self.resizesCenterView) return self.referenceBounds.size;
if (offset < 0)
return (CGSize) { self.centerViewBounds.size.width + offset, self.centerViewBounds.size.height };
return (CGSize) { self.centerViewBounds.size.width - offset, self.centerViewBounds.size.height };
}
-(void)setSlidingFrame:(CGRect)frame {
self.slidingControllerView.frame = frame;
[self performOffsetDelegate:@selector(viewDeckController:slideOffsetChanged:) offset:frame.origin.x];
}
#pragma mark - ledges
- (void)setLeftLedge:(CGFloat)leftLedge {
// Compute the final ledge in two steps. This prevents a strange bug where
// nesting MAX(X, MIN(Y, Z)) with miniscule referenceBounds returns a bogus near-zero value.
CGFloat minLedge = MIN(self.referenceBounds.size.width, leftLedge);
leftLedge = MAX(leftLedge, minLedge);
if (_viewAppeared && II_FLOAT_EQUAL(self.slidingControllerView.frame.origin.x, self.referenceBounds.size.width - _leftLedge)) {
if (leftLedge < _leftLedge) {
[UIView animateWithDuration:CLOSE_SLIDE_DURATION(YES) animations:^{
[self setSlidingFrame:[self slidingRectForOffset:self.referenceBounds.size.width - leftLedge]];
}];
}
else if (leftLedge > _leftLedge) {
[UIView animateWithDuration:OPEN_SLIDE_DURATION(YES) animations:^{
[self setSlidingFrame:[self slidingRectForOffset:self.referenceBounds.size.width - leftLedge]];
}];
}
}
_leftLedge = leftLedge;
}
- (void)setRightLedge:(CGFloat)rightLedge {
// Compute the final ledge in two steps. This prevents a strange bug where
// nesting MAX(X, MIN(Y, Z)) with miniscule referenceBounds returns a bogus near-zero value.
CGFloat minLedge = MIN(self.referenceBounds.size.width, rightLedge);
rightLedge = MAX(rightLedge, minLedge);
if (_viewAppeared && II_FLOAT_EQUAL(self.slidingControllerView.frame.origin.x, _rightLedge - self.referenceBounds.size.width)) {
if (rightLedge < _rightLedge) {
[UIView animateWithDuration:CLOSE_SLIDE_DURATION(YES) animations:^{
[self setSlidingFrame:[self slidingRectForOffset:rightLedge - self.referenceBounds.size.width]];
}];
}
else if (rightLedge > _rightLedge) {
[UIView animateWithDuration:OPEN_SLIDE_DURATION(YES) animations:^{
[self setSlidingFrame:[self slidingRectForOffset:rightLedge - self.referenceBounds.size.width]];
}];
}
}
_rightLedge = rightLedge;
}
#pragma mark - View lifecycle
- (void)loadView
{
_viewAppeared = NO;
self.view = II_AUTORELEASE([[UIView alloc] init]);
self.view.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
self.view.autoresizesSubviews = YES;
self.view.clipsToBounds = YES;
}
- (void)viewDidLoad {
[super viewDidLoad];
self.centerView = II_AUTORELEASE([[UIView alloc] init]);
self.centerView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
self.centerView.autoresizesSubviews = YES;
self.centerView.clipsToBounds = YES;
[self.view addSubview:self.centerView];
self.originalShadowRadius = 0;
self.originalShadowOpacity = 0;
self.originalShadowColor = nil;
self.originalShadowOffset = CGSizeZero;
self.originalShadowPath = nil;
}
- (void)viewDidUnload
{
[self cleanup];
[super viewDidUnload];
}
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
[self.view addObserver:self forKeyPath:@"bounds" options:NSKeyValueChangeSetting context:nil];
// BOOL appeared = _viewAppeared;
[self setSlidingAndReferenceViews];
[self.centerController.view removeFromSuperview];
[self.centerView addSubview:self.centerController.view];
[self.leftController.view removeFromSuperview];
[self.referenceView insertSubview:self.leftController.view belowSubview:self.slidingControllerView];
[self.rightController.view removeFromSuperview];
[self.referenceView insertSubview:self.rightController.view belowSubview:self.slidingControllerView];
self.slidingControllerView.frame = self.referenceBounds;
self.slidingControllerView.hidden = NO;
self.centerView.frame = self.centerViewBounds;
self.centerController.view.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
self.centerController.view.frame = self.centerView.bounds;
self.leftController.view.frame = self.sideViewBounds;
self.leftController.view.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
self.leftController.view.hidden = YES;
self.rightController.view.frame = self.sideViewBounds;
self.rightController.view.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
self.rightController.view.hidden = YES;
[self applyShadowToSlidingView];
_viewAppeared = YES;
[self addPanners];
if (self.slidingControllerView.frame.origin.x == 0.0f)
[self centerViewVisible];
else
[self centerViewHidden];
[self relayAppearanceMethod:^(UIViewController *controller) {
[controller viewWillAppear:animated];
}];
}
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
[self relayAppearanceMethod:^(UIViewController *controller) {
[controller viewDidAppear:animated];
}];
}
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
[self relayAppearanceMethod:^(UIViewController *controller) {
[controller viewWillDisappear:animated];
}];
// [self removePanners];
//
// [self closeLeftView];
// [self closeRightView];
}
- (void)viewDidDisappear:(BOOL)animated {
[super viewDidDisappear:animated];
[self.view removeObserver:self forKeyPath:@"bounds"];
[self relayAppearanceMethod:^(UIViewController *controller) {
[controller viewDidDisappear:animated];
}];
}
#pragma mark - rotation
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
_preRotationWidth = self.referenceBounds.size.width;
_preRotationCenterWidth = self.centerView.bounds.size.width;
if (self.rotationBehavior == IIViewDeckRotationKeepsViewSizes) {
_leftWidth = self.leftController.view.frame.size.width;
_rightWidth = self.rightController.view.frame.size.width;
}
BOOL should = YES;
if (self.centerController)
should = [self.centerController shouldAutorotateToInterfaceOrientation:interfaceOrientation];
return should;
}
- (void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration {
[super willAnimateRotationToInterfaceOrientation:toInterfaceOrientation duration:duration];
[self relayAppearanceMethod:^(UIViewController *controller) {
[controller willAnimateRotationToInterfaceOrientation:toInterfaceOrientation duration:duration];
}];
[self arrangeViewsAfterRotation];
}
- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration {
[super willRotateToInterfaceOrientation:toInterfaceOrientation duration:duration];
[self restoreShadowToSlidingView];
[self relayAppearanceMethod:^(UIViewController *controller) {
[controller willRotateToInterfaceOrientation:toInterfaceOrientation duration:duration];
}];
}
- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
[super didRotateFromInterfaceOrientation:fromInterfaceOrientation];
[self applyShadowToSlidingView];
[self relayAppearanceMethod:^(UIViewController *controller) {
[controller didRotateFromInterfaceOrientation:fromInterfaceOrientation];
}];
}
- (void)arrangeViewsAfterRotation {
if (_preRotationWidth <= 0) return;
CGFloat offset = self.slidingControllerView.frame.origin.x;
if (self.resizesCenterView && offset == 0) {
offset = offset + (_preRotationCenterWidth - _preRotationWidth);
}
if (self.rotationBehavior == IIViewDeckRotationKeepsLedgeSizes) {
if (offset > 0) {
offset = self.referenceBounds.size.width - _preRotationWidth + offset;
}
else if (offset < 0) {
offset = offset + _preRotationWidth - self.referenceBounds.size.width;
}
}
else {
self.leftLedge = self.leftLedge + self.referenceBounds.size.width - _preRotationWidth;
self.rightLedge = self.rightLedge + self.referenceBounds.size.width - _preRotationWidth;
}
[self setSlidingFrame:[self slidingRectForOffset:offset]];
_preRotationWidth = 0;
}
#pragma mark - controller state
- (BOOL)leftControllerIsClosed {
return !self.leftController || CGRectGetMinX(self.slidingControllerView.frame) <= 0;
}
- (BOOL)rightControllerIsClosed {
return !self.rightController || CGRectGetMaxX(self.slidingControllerView.frame) >= self.referenceBounds.size.width;
}
- (BOOL)leftControllerIsOpen {
return self.leftController && CGRectGetMinX(self.slidingControllerView.frame) > 0 && CGRectGetMinX(self.slidingControllerView.frame) <= self.leftLedge;
}
- (BOOL)rightControllerIsOpen {
return self.rightController && CGRectGetMaxX(self.slidingControllerView.frame) < self.referenceBounds.size.width && CGRectGetMaxX(self.slidingControllerView.frame) >= self.leftLedge;
}
- (void)showCenterView {
[self showCenterView:YES];
}
- (void)showCenterView:(BOOL)animated {
[self showCenterView:animated completion:nil];
}
- (void)showCenterView:(BOOL)animated completion:(void(^)(IIViewDeckController* controller))completed {
BOOL mustRunCompletion = completed != nil;
if (self.leftController && !self.leftController.view.hidden) {
[self closeLeftViewAnimated:animated completion:completed];
mustRunCompletion = NO;
}
if (self.rightController && !self.rightController.view.hidden) {
[self closeRightViewAnimated:animated completion:completed];
mustRunCompletion = NO;
}
if (mustRunCompletion)
completed(self);
}
- (void)toggleLeftView {
[self toggleLeftViewAnimated:YES];
}
- (void)openLeftView {
[self openLeftViewAnimated:YES];
}
- (void)closeLeftView {
[self closeLeftViewAnimated:YES];
}
- (void)toggleLeftViewAnimated:(BOOL)animated {
[self toggleLeftViewAnimated:animated completion:nil];
}
- (void)toggleLeftViewAnimated:(BOOL)animated completion:(void (^)(IIViewDeckController *))completed {
if ([self leftControllerIsClosed])
[self openLeftViewAnimated:animated completion:completed];
else
[self closeLeftViewAnimated:animated completion:completed];
}
- (void)openLeftViewAnimated:(BOOL)animated {
[self openLeftViewAnimated:animated completion:nil];
}
- (void)openLeftViewAnimated:(BOOL)animated completion:(void (^)(IIViewDeckController *))completed {
[self openLeftViewAnimated:animated options:UIViewAnimationOptionCurveEaseInOut completion:completed];
}
- (void)openLeftViewAnimated:(BOOL)animated options:(UIViewAnimationOptions)options completion:(void (^)(IIViewDeckController *))completed {
if (!self.leftController || II_FLOAT_EQUAL(CGRectGetMinX(self.slidingControllerView.frame), self.leftLedge)) return;
// check the delegate to allow opening
if (![self checkDelegate:@selector(viewDeckControllerWillOpenLeftView:animated:) animated:animated]) return;
// also close the right view if it's open. Since the delegate can cancel the close, check the result.
if (![self closeRightViewAnimated:animated options:options completion:completed]) return;
[UIView animateWithDuration:OPEN_SLIDE_DURATION(animated) delay:0 options:options | UIViewAnimationOptionLayoutSubviews | UIViewAnimationOptionBeginFromCurrentState animations:^{
self.leftController.view.hidden = NO;
self.slidingControllerView.frame = [self slidingRectForOffset:self.referenceBounds.size.width - self.leftLedge];
[self centerViewHidden];
} completion:^(BOOL finished) {
if (completed) completed(self);
[self performDelegate:@selector(viewDeckControllerDidOpenLeftView:animated:) animated:animated];
}];
}
- (void)closeLeftViewAnimated:(BOOL)animated {
[self closeLeftViewAnimated:animated completion:nil];
}
- (void)closeLeftViewAnimated:(BOOL)animated completion:(void (^)(IIViewDeckController *))completed {
[self closeLeftViewAnimated:animated options:UIViewAnimationOptionCurveEaseInOut completion:completed];
}
- (BOOL)closeLeftViewAnimated:(BOOL)animated options:(UIViewAnimationOptions)options completion:(void (^)(IIViewDeckController *))completed {
if (self.leftControllerIsClosed) return YES;
// check the delegate to allow closing
if (![self checkDelegate:@selector(viewDeckControllerWillCloseLeftView:animated:) animated:animated]) return NO;
[UIView animateWithDuration:CLOSE_SLIDE_DURATION(animated) delay:0 options:options | UIViewAnimationOptionLayoutSubviews animations:^{
[self setSlidingFrame:[self slidingRectForOffset:0]];
[self centerViewVisible];
} completion:^(BOOL finished) {
self.leftController.view.hidden = YES;
if (completed) completed(self);
[self performDelegate:@selector(viewDeckControllerDidCloseLeftView:animated:) animated:animated];
[self performDelegate:@selector(viewDeckControllerDidShowCenterView:animated:) animated:animated];
}];
return YES;
}
- (void)closeLeftViewBouncing:(void(^)(IIViewDeckController* controller))bounced {
[self closeLeftViewBouncing:bounced completion:nil];
}
- (void)closeLeftViewBouncing:(void(^)(IIViewDeckController* controller))bounced completion:(void (^)(IIViewDeckController *))completed {
if (self.leftControllerIsClosed) return;
// check the delegate to allow closing
if (![self checkDelegate:@selector(viewDeckControllerWillCloseLeftView:animated:) animated:YES]) return;
// first open the view completely, run the block (to allow changes) and close it again.
[UIView animateWithDuration:OPEN_SLIDE_DURATION(YES) delay:0 options:UIViewAnimationOptionCurveEaseIn | UIViewAnimationOptionLayoutSubviews animations:^{
[self setSlidingFrame:[self slidingRectForOffset:self.referenceBounds.size.width]];
} completion:^(BOOL finished) {
// run block if it's defined
if (bounced) bounced(self);
if (self.delegate && [self.delegate respondsToSelector:@selector(viewDeckController:didBounceWithClosingController:)])
[self.delegate viewDeckController:self didBounceWithClosingController:self.leftController];
[UIView animateWithDuration:CLOSE_SLIDE_DURATION(YES) delay:0 options:UIViewAnimationOptionCurveEaseOut | UIViewAnimationOptionLayoutSubviews animations:^{
[self setSlidingFrame:[self slidingRectForOffset:0]];
[self centerViewVisible];
} completion:^(BOOL finished2) {
self.leftController.view.hidden = YES;
if (completed) completed(self);
[self performDelegate:@selector(viewDeckControllerDidCloseLeftView:animated:) animated:YES];
[self performDelegate:@selector(viewDeckControllerDidShowCenterView:animated:) animated:YES];
}];
}];
}
- (void)toggleRightView {
[self toggleRightViewAnimated:YES];
}
- (void)openRightView {
[self openRightViewAnimated:YES];
}
- (void)closeRightView {
[self closeRightViewAnimated:YES];
}
- (void)toggleRightViewAnimated:(BOOL)animated {
[self toggleRightViewAnimated:animated completion:nil];
}
- (void)toggleRightViewAnimated:(BOOL)animated completion:(void (^)(IIViewDeckController *))completed {
if ([self rightControllerIsClosed])
[self openRightViewAnimated:animated completion:completed];
else
[self closeRightViewAnimated:animated completion:completed];
}
- (void)openRightViewAnimated:(BOOL)animated {
[self openRightViewAnimated:animated completion:nil];
}
- (void)openRightViewAnimated:(BOOL)animated completion:(void (^)(IIViewDeckController *))completed {
[self openRightViewAnimated:animated options:UIViewAnimationOptionCurveEaseInOut completion:completed];
}
- (void)openRightViewAnimated:(BOOL)animated options:(UIViewAnimationOptions)options completion:(void (^)(IIViewDeckController *))completed {
if (!self.rightController || II_FLOAT_EQUAL(CGRectGetMaxX(self.slidingControllerView.frame), self.rightLedge)) return;
// check the delegate to allow opening
if (![self checkDelegate:@selector(viewDeckControllerWillOpenRightView:animated:) animated:animated]) return;
// also close the left view if it's open. Since the delegate can cancel the close, check the result.
if (![self closeLeftViewAnimated:animated options:options completion:completed]) return;
[UIView animateWithDuration:OPEN_SLIDE_DURATION(animated) delay:0 options:options | UIViewAnimationOptionLayoutSubviews animations:^{
self.rightController.view.hidden = NO;
[self setSlidingFrame:[self slidingRectForOffset:self.rightLedge - self.referenceBounds.size.width]];
[self centerViewHidden];
} completion:^(BOOL finished) {
if (completed) completed(self);
[self performDelegate:@selector(viewDeckControllerDidOpenRightView:animated:) animated:animated];
}];
}
- (void)closeRightViewAnimated:(BOOL)animated {
[self closeRightViewAnimated:animated completion:nil];
}
- (void)closeRightViewAnimated:(BOOL)animated completion:(void (^)(IIViewDeckController *))completed {
[self closeRightViewAnimated:animated options:UIViewAnimationOptionCurveEaseInOut completion:completed];
}
- (BOOL)closeRightViewAnimated:(BOOL)animated options:(UIViewAnimationOptions)options completion:(void (^)(IIViewDeckController *))completed {
if (self.rightControllerIsClosed) return YES;
// check the delegate to allow closing
if (![self checkDelegate:@selector(viewDeckControllerWillCloseRightView:animated:) animated:animated]) return NO;
[UIView animateWithDuration:CLOSE_SLIDE_DURATION(animated) delay:0 options:options | UIViewAnimationOptionLayoutSubviews animations:^{
[self setSlidingFrame:[self slidingRectForOffset:0]];
[self centerViewVisible];
} completion:^(BOOL finished) {
if (completed) completed(self);
self.rightController.view.hidden = YES;
[self performDelegate:@selector(viewDeckControllerDidCloseRightView:animated:) animated:animated];
[self performDelegate:@selector(viewDeckControllerDidShowCenterView:animated:) animated:animated];
}];
return YES;
}
- (void)closeRightViewBouncing:(void(^)(IIViewDeckController* controller))bounced {
[self closeRightViewBouncing:bounced completion:nil];
}
- (void)closeRightViewBouncing:(void(^)(IIViewDeckController* controller))bounced completion:(void (^)(IIViewDeckController *))completed {
if (self.rightControllerIsClosed) return;
// check the delegate to allow closing
if (![self checkDelegate:@selector(viewDeckControllerWillCloseRightView:animated:) animated:YES]) return;
[UIView animateWithDuration:OPEN_SLIDE_DURATION(YES) delay:0 options:UIViewAnimationOptionCurveEaseIn | UIViewAnimationOptionLayoutSubviews animations:^{
[self setSlidingFrame:[self slidingRectForOffset:-self.referenceBounds.size.width]];
} completion:^(BOOL finished) {
if (bounced) bounced(self);
if (self.delegate && [self.delegate respondsToSelector:@selector(viewDeckController:didBounceWithClosingController:)])
[self.delegate viewDeckController:self didBounceWithClosingController:self.rightController];
[UIView animateWithDuration:CLOSE_SLIDE_DURATION(YES) delay:0 options:UIViewAnimationOptionCurveEaseOut | UIViewAnimationOptionLayoutSubviews animations:^{
[self setSlidingFrame:[self slidingRectForOffset:0]];
[self centerViewVisible];
} completion:^(BOOL finished2) {
self.rightController.view.hidden = YES;
if (completed) completed(self);
[self performDelegate:@selector(viewDeckControllerDidCloseRightView:animated:) animated:YES];
[self performDelegate:@selector(viewDeckControllerDidShowCenterView:animated:) animated:YES];
}];
}];
}
#pragma mark - Pre iOS5 message relaying
- (void)relayAppearanceMethod:(void(^)(UIViewController* controller))relay {
relay(self.centerController);
relay(self.leftController);
relay(self.rightController);
}
#pragma mark - center view hidden stuff
- (void)centerViewVisible {
[self removePanners];
if (self.centerTapper) {
[self.centerTapper removeTarget:self action:@selector(centerTapped) forControlEvents:UIControlEventTouchUpInside];
[self.centerTapper removeFromSuperview];
}
self.centerTapper = nil;
[self addPanners];
}
- (void)centerViewHidden {
if (IIViewDeckCenterHiddenIsInteractive(self.centerhiddenInteractivity))
return;
[self removePanners];
if (!self.centerTapper) {
self.centerTapper = [UIButton buttonWithType:UIButtonTypeCustom];
self.centerTapper.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
self.centerTapper.frame = [self.centerView bounds];
[self.centerView addSubview:self.centerTapper];
[self.centerTapper addTarget:self action:@selector(centerTapped) forControlEvents:UIControlEventTouchUpInside];
self.centerTapper.backgroundColor = [UIColor clearColor];
}
self.centerTapper.frame = [self.centerView bounds];
[self addPanners];
}
- (void)centerTapped {
if (IIViewDeckCenterHiddenCanTapToClose(self.centerhiddenInteractivity)) {
if (self.leftController && CGRectGetMinX(self.slidingControllerView.frame) > 0) {
if (self.centerhiddenInteractivity == IIViewDeckCenterHiddenNotUserInteractiveWithTapToClose)
[self closeLeftView];
else
[self closeLeftViewBouncing:nil];
}
if (self.rightController && CGRectGetMinX(self.slidingControllerView.frame) < 0) {
if (self.centerhiddenInteractivity == IIViewDeckCenterHiddenNotUserInteractiveWithTapToClose)
[self closeRightView];
else
[self closeRightViewBouncing:nil];
}
}
}
#pragma mark - Panning
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch {
_panOrigin = self.slidingControllerView.frame.origin.x;
return YES;
}
- (void)panned:(UIPanGestureRecognizer*)panner {
if (!_enabled) return;
CGPoint pan = [panner translationInView:self.referenceView];
CGFloat x = pan.x + _panOrigin;
if (!self.leftController) x = MIN(0, x);
if (!self.rightController) x = MAX(0, x);
CGFloat w = self.referenceBounds.size.width;
CGFloat lx = MAX(MIN(x, w-self.leftLedge), -w+self.rightLedge);
if (self.elastic) {
CGFloat dx = ABS(x) - ABS(lx);
if (dx > 0) {
dx = dx / logf(dx + 1) * 2;
x = lx + (x < 0 ? -dx : dx);
}
}
else {
x = lx;
}
[self setSlidingFrame:[self slidingRectForOffset:x]];
BOOL rightWasHidden = self.rightController.view.hidden;
BOOL leftWasHidden = self.leftController.view.hidden;
self.rightController.view.hidden = x >= 0;
self.leftController.view.hidden = x <= 0;
[self performOffsetDelegate:@selector(viewDeckController:didPanToOffset:) offset:x];
if (panner.state == UIGestureRecognizerStateBegan) {
if (x > 0) {
[self checkDelegate:@selector(viewDeckControllerWillOpenLeftView:animated:) animated:NO];
}
else if (x < 0) {
[self checkDelegate:@selector(viewDeckControllerWillOpenRightView:animated:) animated:NO];
}
}
if (panner.state == UIGestureRecognizerStateEnded) {
if ((self.leftController.view.hidden && !leftWasHidden) || (self.rightController.view.hidden && !rightWasHidden)) {
[self centerViewVisible];
}
else if (leftWasHidden && rightWasHidden && (!self.leftController.view.hidden || !self.rightController.view.hidden)) {
[self centerViewHidden];
}
CGFloat lw3 = (w-self.leftLedge) / 3.0;
CGFloat rw3 = (w-self.rightLedge) / 3.0;
CGFloat velocity = [panner velocityInView:self.referenceView].x;
if (ABS(velocity) < 500) {
// small velocity, no movement
if (x >= w - self.leftLedge - lw3) {
[self openLeftViewAnimated:YES options:UIViewAnimationOptionCurveEaseOut completion:nil];
}
else if (x <= self.rightLedge + rw3 - w) {
[self openRightViewAnimated:YES options:UIViewAnimationOptionCurveEaseOut completion:nil];
}
else
[self showCenterView:YES];
}
else if (velocity < 0) {
// swipe to the left
if (x < 0)
[self openRightViewAnimated:YES options:UIViewAnimationOptionCurveEaseOut completion:nil];
else
[self showCenterView:YES];
}
else if (velocity > 0) {
// swipe to the right
if (x > 0)
[self openLeftViewAnimated:YES options:UIViewAnimationOptionCurveEaseOut completion:nil];
else
[self showCenterView:YES];
}
}
}
- (void)addPanner:(UIView*)view {
if (!view) return;
UIPanGestureRecognizer* panner = II_AUTORELEASE([[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panned:)]);
panner.cancelsTouchesInView = YES;
panner.delegate = self;
[view addGestureRecognizer:panner];
[self.panners addObject:panner];
}
- (void)addPanners {
[self removePanners];
switch (_panningMode) {
case IIViewDeckNoPanning:
break;
case IIViewDeckFullViewPanning:
[self addPanner:self.slidingControllerView];
// also add to disabled center
if (self.centerTapper)
[self addPanner:self.centerTapper];
// also add to navigationbar if present
if (self.navigationController && !self.navigationController.navigationBarHidden)
[self addPanner:self.navigationController.navigationBar];
break;
case IIViewDeckNavigationBarPanning:
if (self.navigationController && !self.navigationController.navigationBarHidden) {
[self addPanner:self.navigationController.navigationBar];
}
if (self.centerController.navigationController && !self.centerController.navigationController.navigationBarHidden) {
[self addPanner:self.centerController.navigationController.navigationBar];
}
if ([self.centerController isKindOfClass:[UINavigationController class]] && !((UINavigationController*)self.centerController).navigationBarHidden) {
[self addPanner:((UINavigationController*)self.centerController).navigationBar];