|
//
// MLNavigationController.m
// MultiLayerNavigation
//
// Created by Feather Chan on 13-4-12.
// Copyright (c) 2013年 Feather Chan. All rights reserved.
//
#import "MLNavigationController.h"
#import <QuartzCore/QuartzCore.h>
#import "commentAndAskController.h"
#import "detailContentHomeController.h"
#import "DescView.h"
//#import "LCAlertView.h"
#define rectWidth rect_screen.size.width
@interface MLNavigationController ()<UIAlertViewDelegate>
{
CGPoint startTouch;
UIImageView *lastScreenShotView;
UIView *blackMask;
float lastTouchX;
}
@property (nonatomic,retain) UIView *backgroundView;
@property (nonatomic,retain) NSMutableArray *screenShotsList;
@property (nonatomic,assign) BOOL isMoving;
@end
@implementation MLNavigationController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
self.screenShotsList = [[[NSMutableArray alloc]initWithCapacity:2]autorelease];
self.canDragBack = YES;
lastTouchX = 1000;
}
return self;
}
//- (id)initWithRootViewController:(UIViewController *)rootViewController {
// self = [super initWithRootViewController:rootViewController];
// if (self) {
//
// self.screenShotsList = [[[NSMutableArray alloc]initWithCapacity:2]autorelease];
// self.canDragBack = YES;
// lastTouchX = 1000;
// }
// return self;
//}
- (void)dealloc
{
self.screenShotsList = nil;
[self.backgroundView removeFromSuperview];
self.backgroundView = nil;
TPLOG(@"=====dealloc:%@=====",self.description);
[super dealloc];
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
// draw a shadow for navigation view to differ the layers obviously.
// using this way to draw shadow will lead to the low performace
// the best alternative way is making a shadow image.
//
self.view.layer.shadowColor = [[UIColor blackColor]CGColor];
self.view.layer.shadowOffset = CGSizeMake(5, 5);
self.view.layer.shadowRadius = 5;
self.view.layer.shadowOpacity = 1;
UIImageView *shadowImageView = [[[UIImageView alloc]initWithImage:[UIImage imageNamed:@"leftside_shadow_bg"]]autorelease];
shadowImageView.frame = CGRectMake(-10, 0, 10, TOP_VIEW.frame.size.height);
[TOP_VIEW addSubview:shadowImageView];
UIPanGestureRecognizer *recognizer = [[[UIPanGestureRecognizer alloc]initWithTarget:self
action:@selector(paningGestureReceive:)]autorelease];
recognizer.delegate = self;
[recognizer delaysTouchesBegan];
[self.view addGestureRecognizer:recognizer];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:(BOOL)animated];
if (self.screenShotsList.count == 0) {
UIImage *capturedImage = [self capture];
if (capturedImage) {
[self.screenShotsList addObject:capturedImage];
}
}
}
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
[MobClick beginLogPageView:@"PageOne"];
}
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
[MobClick endLogPageView:@"PageOne"];
}
// override the push method
- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated
{
if ([(TPWindow*)KEY_WINDOW respondsToSelector:@selector(closeAndSotoEmbeddedVideo)]) {
[(TPWindow*)KEY_WINDOW closeAndSotoEmbeddedVideo];
[(TPWindow*)KEY_WINDOW enabelEmbeddedVideoGesture:NO withVideoController:nil embeddedRect:CGRectZero];
}
/**
* bug:6188(【倒退】个人主页：个人主页点击头像选择查看头像闪退)
*/
self.canDragBack = YES;
UIImage *capturedImage = [self capture];
if (capturedImage) {
[self.screenShotsList addObject:capturedImage];
}
// [[UIApplication sharedApplication] beginIgnoringInteractionEvents];
//
// if (isNotIOS8) {
// if (self.viewControllers.count > 1) {
// NSMutableArray *tempStack = [NSMutableArray arrayWithArray:self.viewControllers];
// __block BOOL isHaveSame = NO;
// __block NSInteger firstDetailConetentController;
// [self.viewControllers enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
// if ([obj isKindOfClass:[detailContentHomeController class]]) {
// firstDetailConetentController = idx;
// *stop = YES;
// }
// }];
//
// [self.viewControllers enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
// if ([obj isKindOfClass:[viewController.class class]]) {
// if (![viewController isKindOfClass:[detailContentHomeController class]]
// || idx != firstDetailConetentController) {//4322: 【需求】相关新闻：相关新闻作为独立页面可以保存一层
// [tempStack removeObjectAtIndex:idx];
// [self.screenShotsList removeObjectAtIndex:idx+1];
// isHaveSame = YES;
// }
// }
// }];
// if (isHaveSame) {
// self.viewControllers = [NSArray arrayWithArray:tempStack];
// }
// }
// }
[super pushViewController:viewController animated:animated];
// if (isIOS8) {
// if (self.viewControllers.count > 1) {
// NSMutableArray *tempStack = [NSMutableArray arrayWithArray:self.viewControllers];
// __block BOOL isHaveSame = NO;
// __block NSInteger firstDetailConetentController;
// [self.viewControllers enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
// if ([obj isKindOfClass:[detailContentHomeController class]]) {
// firstDetailConetentController = idx;
// *stop = YES;
// }
// }];
//
// [self.viewControllers enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
// if (idx != self.viewControllers.count-1) {
// if ([obj isKindOfClass:[viewController.class class]]) {
// if ([obj isKindOfClass:[viewController.class class]]) {
// if (![viewController isKindOfClass:[detailContentHomeController class]]
// || idx != firstDetailConetentController) {//4322: 【需求】相关新闻：相关新闻作为独立页面可以保存一层
// [tempStack removeObjectAtIndex:idx];
// [self.screenShotsList removeObjectAtIndex:idx+1];
// isHaveSame = YES;
// }
// }
// }
// }
// }];
// if (isHaveSame) {
// self.viewControllers = [NSArray arrayWithArray:tempStack];
// }
// }
// }
// [[UIApplication sharedApplication] endIgnoringInteractionEvents];
}
// override the pop method
- (UIViewController *)popViewControllerAnimated:(BOOL)animated
{
TPLOG(@"===========pop===========");
[self.screenShotsList removeLastObject];
[[NSNotificationCenter defaultCenter] postNotificationName:CONTENTDETAILPOPBACK object:nil];
self.canDragBack = YES;
return [super popViewControllerAnimated:animated];
}
- (UIViewController*)popBackWithTopSwipeGesture {
[self.screenShotsList removeLastObject];
self.canDragBack = YES;
return [super popViewControllerAnimated:NO];
}
#pragma mark - Utility Methods -
// get the current view screen shot
- (UIImage *)capture
{
if ([TOP_VIEW isKindOfClass:[UIImageView class]]) {
return ((UIImageView*)TOP_VIEW).image;
}
UIGraphicsBeginImageContextWithOptions(TOP_VIEW.bounds.size, TOP_VIEW.opaque, 0.0);
[TOP_VIEW.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage * img = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return img;
}
// set lastScreenShotView 's position and alpha when paning
- (void)moveViewWithX:(float)x panRec:(UIPanGestureRecognizer*)recoginzer
{
if (lastTouchX == 1000) {
lastTouchX = x;
}
x = x>rectWidth?rectWidth:x;
x = x<0?0:x;
if (x != rectWidth) {
CGPoint offset = [recoginzer translationInView:KEY_WINDOW];
CGRect shotFrame = lastScreenShotView.frame;
if (x != 0) {
CGRect frame = TOP_VIEW.frame;
frame.origin.x = x;
TOP_VIEW.frame = frame;
shotFrame.origin.x = shotFrame.origin.x + offset.x/2;
}else {
CGRect frame = TOP_VIEW.frame;
frame.origin.x = x;
TOP_VIEW.frame = frame;
if (lastTouchX < 0) {
shotFrame.origin.x = shotFrame.origin.x - lastTouchX;
}else {
shotFrame.origin.x = shotFrame.origin.x - lastTouchX/2;
}
}
lastScreenShotView.frame = shotFrame;
blackMask.alpha = 0;
lastTouchX = x;
[recoginzer setTranslation:CGPointMake(0, 0) inView:KEY_WINDOW];
}else {
CGRect frame = TOP_VIEW.frame;
frame.origin.x = x;
TOP_VIEW.frame = frame;
lastTouchX = 1000;
lastScreenShotView.frame = CGRectMake(0, 0, blackMask.frame.size.width , blackMask.frame.size.height);
}
}
#pragma mark - UIGestureRecognizerDelegate
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch {
if (self.viewControllers.count <= 1 || !self.canDragBack) return NO;
return YES;
}
#pragma mark - Gesture Recognizer -
- (void)paningGestureReceive:(UIPanGestureRecognizer *)recoginzer
{
UIMenuController *menu = [UIMenuController sharedMenuController];
if (menu.menuVisible) {
[menu setMenuVisible:NO animated:YES];
}
// If the viewControllers has only one vc or disable the interaction, then return.
if (self.viewControllers.count <= 1 || !self.canDragBack) return;
// we get the touch position by the window's coordinate
CGPoint touchPoint = [recoginzer locationInView:KEY_WINDOW];
// begin paning, show the backgroundView(last screenshot),if not exist, create it.
if (recoginzer.state == UIGestureRecognizerStateBegan) {
_isMoving = YES;
startTouch = touchPoint;
if (!self.backgroundView)
{
CGRect frame = TOP_VIEW.frame;
self.backgroundView = [[[UIView alloc]initWithFrame:CGRectMake(0, 0, frame.size.width , frame.size.height)]autorelease];
[TOP_VIEW.superview insertSubview:self.backgroundView belowSubview:TOP_VIEW];
blackMask = [[[UIView alloc]initWithFrame:CGRectMake(0, 0, frame.size.width , frame.size.height)]autorelease];
blackMask.backgroundColor = [UIColor blackColor];
[self.backgroundView addSubview:blackMask];
}
self.backgroundView.hidden = NO;
if (lastScreenShotView) lastScreenShotView = nil;
UIImage *lastScreenShot = [self.screenShotsList lastObject];
lastScreenShotView = [[UIImageView alloc]initWithImage:lastScreenShot];
[self.backgroundView insertSubview:lastScreenShotView belowSubview:blackMask];
lastScreenShotView.frame = CGRectMake(-blackMask.frame.size.width/2, 0, blackMask.frame.size.width , blackMask.frame.size.height);
//End paning, always check that if it should move right or move left automatically
}else if (recoginzer.state == UIGestureRecognizerStateEnded){
if (touchPoint.x - startTouch.x > 100)
{
[UIView animateWithDuration:0.3 animations:^{
[self moveViewWithX:rectWidth panRec:recoginzer];
} completion:^(BOOL finished) {
[self popViewControllerAnimated:NO];
CGRect frame = TOP_VIEW.frame;
frame.origin.x = 0;
TOP_VIEW.frame = frame;
if (lastScreenShotView) {
[self.backgroundView.subviews enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
if ([obj isEqual:lastScreenShotView]) {
[lastScreenShotView removeFromSuperview];
}
}];
}
_isMoving = NO;
self.backgroundView.hidden = YES;
}];
}
else
{
[UIView animateWithDuration:0.3 animations:^{
[self moveViewWithX:0 panRec:recoginzer];
} completion:^(BOOL finished) {
if (lastScreenShotView) {
[self.backgroundView.subviews enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
if ([obj isEqual:lastScreenShotView]) {
[lastScreenShotView removeFromSuperview];
}
}];
}
_isMoving = NO;
self.backgroundView.hidden = YES;
}];
}
return;
// cancal panning, alway move to left side automatically
}else if (recoginzer.state == UIGestureRecognizerStateCancelled){
[UIView animateWithDuration:0.3 animations:^{
[self moveViewWithX:0 panRec:recoginzer];
} completion:^(BOOL finished) {
_isMoving = NO;
self.backgroundView.hidden = YES;
}];
return;
}
// it keeps move with touch
if (_isMoving) {
[self moveViewWithX:touchPoint.x - startTouch.x panRec:recoginzer];
}
}
#pragma mark - rotate
- (BOOL)shouldAutorotate
{
return [self.viewControllers.lastObject shouldAutorotate];
}
- (UIInterfaceOrientationMask)supportedInterfaceOrientations
{
return [self.viewControllers.lastObject supportedInterfaceOrientations];
}
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation
{
if ([self.viewControllers.lastObject respondsToSelector:@selector(preferredInterfaceOrientationForPresentation)]) {
return [self.viewControllers.lastObject preferredInterfaceOrientationForPresentation];
}else {
return UIInterfaceOrientationPortrait;
}
}
@end
|
