//
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// Copyright © 2015年 dahua. All rights reserved.
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//
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#import <LCBaseModule/LCWebViewController.h>
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#import <MediaPlayer/MediaPlayer.h>
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#import "DHModule.h"
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#import <MessageUI/MessageUI.h>
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#import <LCBaseModule/DHModuleConfig.h>
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#import <LCBaseModule/DHPubDefine.h>
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#import <LCBaseModule/UIColor+LeChange.h>
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#import <LCBaseModule/UIFont+Dahua.h>
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#import <LCBaseModule/UIDevice+LeChange.h>
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#import <LCBaseModule/UINavigationItem+LeChange.h>
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#import <WebViewJavascriptBridge/WKWebViewJavascriptBridge.h>
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#import <Masonry/Masonry.h>
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#define boundsWidth self.view.bounds.size.width
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#define boundsHeight self.view.bounds.size.height
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@interface LCWebViewController()<MFMailComposeViewControllerDelegate>
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@property (strong, nonatomic)WKNavigation *backNavigation;
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/**
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* 记录全部截屏视图
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*/
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@property (nonatomic,strong)NSMutableArray* snapShotsArray;
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/**
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* 当前正在展示的截屏视图
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*/
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@property (nonatomic,strong)UIView* currentSnapShotView;
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/**
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* 之前视图的截屏
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*/
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@property (nonatomic,strong)UIView* prevSnapShotView;
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/**
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* 手势背景视图
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*/
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@property (nonatomic,strong)UIView* swipingBackgoundView;
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/**
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* 右滑手势
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*/
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@property (nonatomic)UIPanGestureRecognizer* swipePanGesture;
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/**
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* 是否正在滑动
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*/
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@property (nonatomic)BOOL isSwipingBack;
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/**
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* 错误页面
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*/
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@property (nonatomic,strong)UIView* emptyView;
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/**
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是否已经加载到H5页面
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*/
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@property (nonatomic,assign) BOOL hasLoadedH5Page;
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@end
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@implementation LCWebViewController
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- (UIView *)emptyView {
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if(_emptyView == nil) {
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_emptyView = [self getEmptyViewByImage:[UIImage imageNamed:@"common_nullpic_faule"] title:@"loaded_net_failure_and_retry".lc_T];
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}
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return _emptyView;
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}
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- (instancetype)init
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{
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if(self = [super init])
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{
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self.isUseH5Title = YES;
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self.hasLoadedH5Page = false;
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}
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return self;
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}
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- (BOOL)shouldUseCustomBackButton
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{
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return YES;
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}
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#pragma mark - Properties
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- (void)setLocalTitle:(NSString *)localTitle
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{
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_localTitle = localTitle;
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self.title = localTitle;
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}
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- (void)setPlayUrl:(NSString *)playUrl
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{
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_playUrl = playUrl;
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// _playUrl = @"http://dvl.lechange.cn/lcview#/mycloud";
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}
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- (void)setLoadCount:(NSUInteger)loadCount {
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_loadCount = loadCount;
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if (loadCount == 0) {
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self.progressView.hidden = YES;
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[self.progressView setProgress:0 animated:NO];
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}else {
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self.progressView.hidden = NO;
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CGFloat oldP = self.progressView.progress;
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CGFloat newP = (1.0 - oldP) / (loadCount + 1) + oldP;
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if (newP > 0.95) {
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newP = 0.95;
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}
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[self.progressView setProgress:newP animated:YES];
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}
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}
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#pragma mark - ViewCycles
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- (void)viewDidLoad {
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[super viewDidLoad];
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self.view.backgroundColor = [UIColor dhcolor_c43];
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_isShowErrorView = YES;
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_playUrl = [_playUrl stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
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[WKWebViewJavascriptBridge enableLogging];
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//【*】设置视频自动内联播放
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WKWebViewConfiguration *config = [[WKWebViewConfiguration alloc] init];
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if (@available(iOS 10.0, *)) {
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config.mediaTypesRequiringUserActionForPlayback = NO;
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}
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config.allowsInlineMediaPlayback = YES;
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_webView = [[WKWebView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height) configuration:config];
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_webView.autoresizingMask = UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight;
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_webView.navigationDelegate = self;
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_webView.UIDelegate = self;
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_webView.scrollView.bounces = NO;
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//禁止手势侧滑
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// [_webView addGestureRecognizer:self.swipePanGesture];
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// _webView.allowsBackForwardNavigationGestures = YES;
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self.bridge = [WKWebViewJavascriptBridge bridgeForWebView:_webView];
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[self.bridge setWebViewDelegate:self];
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[self.view addSubview: _webView];
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NSURL *URL = [NSURL URLWithString:_playUrl];
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if ([URL.scheme isEqualToString:@"file"]) {
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//本地文件 带file://
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URL = [self fileURLForBuggyWKWebView8:URL];
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} else {
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if ([_playUrl componentsSeparatedByString:@"?"].count <= 1) {
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NSString *url = [_playUrl stringByAppendingString:[NSString stringWithFormat:@"?random=%d", arc4random_uniform(10000)]];
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_playUrl = url;
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URL = [NSURL URLWithString:url];
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} else {
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NSString *url = [_playUrl stringByAppendingString:[NSString stringWithFormat:@"&random=%d", arc4random_uniform(10000)]];
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_playUrl = url;
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URL = [NSURL URLWithString:url];
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}
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}
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NSLog(@"URL : %@", URL);
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//【*】缓存策略：
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NSURLRequestCachePolicy cachePolicy = NSURLRequestReloadIgnoringLocalCacheData;
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NSURLRequest *request = [NSURLRequest requestWithURL:URL cachePolicy:cachePolicy timeoutInterval:10.0];
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NSLog(@"28614-*-* cachePolicy:%lu",(unsigned long)request.cachePolicy );
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NSLog(@"28614-*-* allHTTPHeaderFields: %@", request.allHTTPHeaderFields);
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[_webView loadRequest:request];
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_shouldRotate = NO;
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self.progressView = [[UIProgressView alloc] initWithFrame:CGRectMake(0, 0, [[UIScreen mainScreen] bounds].size.width, 1)];
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self.progressView.backgroundColor = [UIColor clearColor];
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self.progressView.trackTintColor = [UIColor clearColor];
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self.progressView.progressTintColor = [UIColor dhcolor_c0];
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//设置进度条的高度，下面这句代码表示进度条的宽度变为原来的1倍，高度变为原来的1.5倍.
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//self.progressView.transform = CGAffineTransformMakeScale(1.0f, 1.5f);
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[self.view addSubview:self.progressView];
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// Do any additional setup after loading the view.
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[_webView addObserver:self forKeyPath:@"estimatedProgress" options:NSKeyValueObservingOptionNew context:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(playerWillExitFullScreen) name:UIWindowDidBecomeVisibleNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(moviePlayerWillExitFullscreen) name:UIWindowDidBecomeHiddenNotification object:nil];
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//[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(videoDidRotate) name:UIDeviceOrientationDidChangeNotification object:nil];
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[self.webView addObserver:self forKeyPath:@"URL" options:NSKeyValueObservingOptionNew context:nil];
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[self.webView addObserver:self forKeyPath:@"title" options:NSKeyValueObservingOptionNew context:nil];
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[self.webView addObserver:self forKeyPath:@"canGoBack" options:NSKeyValueObservingOptionNew context:nil];
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}
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- (void)viewWillAppear:(BOOL)animated
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{
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[super viewWillAppear:animated];
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[self.navigationController setNavigationBarHidden:NO animated:animated];
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if (self.hasLoadedH5Page == false) {
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[self.webView reload];
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}
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//[self.navigationController.navigationBar addSubview:_progressView];
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}
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-(void)viewWillDisappear:(BOOL)animated
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{
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[super viewWillDisappear:animated];
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//[_progressView removeFromSuperview];
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[self.webView evaluateJavaScript:@"document.title" completionHandler:^(NSString* response, NSError * _Nullable error) {
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NSLog(@"-----------viewWillDisappear H5 title is %@",response);
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if (response.length != 0) {
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self.hasLoadedH5Page = true;
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}
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}];
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}
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-(void)setNavgationLeftItem:(BOOL)canGoBack
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{
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if (canGoBack)
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{
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//返回按钮
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UIButton *backButton = [UIButton buttonWithType:UIButtonTypeCustom];
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backButton.frame = CGRectMake(0, 0, 30, 30);
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[backButton setImage:[UIImage imageNamed:@"nav_back"] forState:UIControlStateNormal];
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// [backButton setImage:[UIImage imageNamed:@"nav_icon_back_click"] forState:UIControlStateHighlighted];
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[backButton addTarget:self action:@selector(onLeftNaviItemClick:) forControlEvents:UIControlEventTouchUpInside];
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//取消按钮
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UIButton *closeButton = [UIButton buttonWithType:UIButtonTypeCustom];
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closeButton.frame = CGRectMake(0, 0, 40, 40);
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[closeButton setImage:[UIImage imageNamed:@"common_image_nav_cancel"] forState:UIControlStateNormal];
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[closeButton setImage:[UIImage imageNamed:@"common_image_nav_cancel"] forState:UIControlStateHighlighted];
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[closeButton addTarget:self action:@selector(onCloseButtonClick:) forControlEvents:UIControlEventTouchUpInside];
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self.navigationItem.lc_leftBarButtons = @[backButton,closeButton];
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}
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else
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{
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[self initLeftNavigationItem];
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}
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}
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- (void)onCloseButtonClick:(UIButton *)btn
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{
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if (self.closeBlock) {
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self.closeBlock();
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}
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else
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{
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[self.navigationController popViewControllerAnimated:YES];
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}
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}
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- (void)onLeftNaviItemClick:(UIButton *)btn
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{
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if ([_webView canGoBack]) {
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[_webView endEditing:YES];
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self.backNavigation = [_webView goBack];;
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} else {
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if (self.closeBlock) {
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self.closeBlock();
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}
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else
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{
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[self.navigationController popViewControllerAnimated:YES];
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}
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}
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}
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- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSString *,id> *)change context:(void *)context {
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if ([keyPath isEqualToString:@"loading"]) {
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} else if ([keyPath isEqualToString:@"title"]) {
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[_webView evaluateJavaScript:@"document.title" completionHandler:^(NSString* response, NSError * _Nullable error) {
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if(response.length!=0 && self.isUseH5Title) {
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self.title = response;
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}
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}];
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} else if ([keyPath isEqualToString:@"URL"])
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{
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// NSLog(@"url == %@",self.webView.URL.absoluteString);
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// [self setNavgationLeftItem:self.webView.canGoBack];
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} else if ([keyPath isEqualToString:@"estimatedProgress"]) {
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self.progressView.progress = _webView.estimatedProgress;
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} else if ([keyPath isEqualToString:@"canGoBack"]) {
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[self setNavgationLeftItem:[[change objectForKey:NSKeyValueChangeNewKey] boolValue]];
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}
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if (object == _webView && [keyPath isEqualToString:@"estimatedProgress"]) {
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CGFloat newprogress = [[change objectForKey:NSKeyValueChangeNewKey] doubleValue];
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if (newprogress == 1) {
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self.progressView.hidden = YES;
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[self.progressView setProgress:0 animated:NO];
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}else {
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self.progressView.hidden = NO;
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[self.progressView setProgress:newprogress animated:YES];
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}
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}
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}
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- (void)dealloc {
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[_webView removeObserver:self forKeyPath:@"estimatedProgress"];
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[_webView removeObserver:self forKeyPath:@"URL"];
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[_webView removeObserver:self forKeyPath:@"title"];
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[_webView removeObserver:self forKeyPath:@"canGoBack"];
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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- (void)playerWillExitFullScreen
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{
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[NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(resetShouldRotate) object:nil];
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[self performSelector:@selector(resetShouldRotate) withObject:nil afterDelay:0.5];
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}
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- (void)moviePlayerWillExitFullscreen
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{
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[self performSelector:@selector(adjustStateBarAndNavigationBar) withObject:nil afterDelay:0.1];
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}
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- (void)adjustStateBarAndNavigationBar
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{
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if (self.isTopController) {
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[[UIApplication sharedApplication] setStatusBarHidden:NO];
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}
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}
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- (void)resetShouldRotate
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{
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_shouldRotate = YES;
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[UIDevice lc_setOrientation:UIInterfaceOrientationPortrait];
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_shouldRotate = NO;
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}
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- (BOOL)shouldAutorotate
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{
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return _shouldRotate;
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}
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- (void)videoDidRotate {
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[self performSelector:@selector(resetNavbarFrame) withObject:nil afterDelay:0.1];
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}
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- (void)resetNavbarFrame {
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CGRect windowFrame = [UIScreen mainScreen].applicationFrame;
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CGFloat statusBarH = (DH_IS_IPHONEX ? 44.0 : 20.0);
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CGFloat navBarH = self.navBar.frame.size.height;
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if (UIDeviceOrientationIsPortrait([[UIDevice currentDevice] orientation])) {
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self.navBar.frame = CGRectMake(0.0, statusBarH, windowFrame.size.width, navBarH);
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self.view.frame = CGRectMake(0.0, self.navBar.frame.origin.y + self.navBar.frame.size.height, DH_SCREEN_SIZE_WIDTH, DH_SCREEN_SIZE_HEIGHT - statusBarH - navBarH);
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}
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}
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#pragma mark - custom methods
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- (NSURL *)fileURLForBuggyWKWebView8:(NSURL *)fileURL {
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NSError *error = nil;
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if (!fileURL.fileURL || ![fileURL checkResourceIsReachableAndReturnError:&error]) {
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return nil;
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}
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// Create "/temp/www" directory
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NSFileManager *fileManager= [NSFileManager defaultManager];
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NSURL *temDirURL = [[NSURL fileURLWithPath:NSTemporaryDirectory()] URLByAppendingPathComponent:@"www"];
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[fileManager createDirectoryAtURL:temDirURL withIntermediateDirectories:YES attributes:nil error:&error];
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NSURL *dstURL = [temDirURL URLByAppendingPathComponent:fileURL.lastPathComponent];
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// Now copy given file to the temp directory
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[fileManager removeItemAtURL:dstURL error:&error];
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[fileManager copyItemAtURL:fileURL toURL:dstURL error:&error];
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// Files in "/temp/www" load flawlesly :)
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NSString *desPath = [[NSTemporaryDirectory() stringByAppendingPathComponent:@"www"] stringByAppendingPathComponent:fileURL.lastPathComponent];
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return [NSURL fileURLWithPath:desPath];
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}
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#pragma mark -
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- (void)webView:(WKWebView *)webView didReceiveServerRedirectForProvisionalNavigation:(null_unspecified WKNavigation *)navigation;
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{
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NSLog(@"28614 didReceiveServerRedirectForProvisionalNavigation");
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}
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- (void)webView:(WKWebView *)webView didFinishNavigation:(null_unspecified WKNavigation *)navigation
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{
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if ([self.backNavigation isEqual:navigation]) {
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// 这次的加载是点击返回产生的，刷新
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[webView reload];
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self.backNavigation = nil;
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[self setNavgationLeftItem:webView.canGoBack];
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}
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if (![webView canGoBack] && self.localTitle.length > 0) {
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return;
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}
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//【*】webview 长按及复制功能
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// [webView evaluateJavaScript:@"document.documentElement.style.webkitUserSelect='none';" completionHandler:^(NSString* response, NSError * _Nullable error) {
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//
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// }];
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// [webView evaluateJavaScript:@"document.documentElement.style.webkitTouchCallout='none';" completionHandler:^(NSString* response, NSError * _Nullable error) {
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//
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// }];
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//加载完成,如果当前导航栏无标题,根据url网页获取标题
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[webView evaluateJavaScript:@"document.title" completionHandler:^(NSString* response, NSError * _Nullable error) {
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if(response.length!=0 && self.isUseH5Title)
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{
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self.title = response;
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}
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}];
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[self setNavgationLeftItem:webView.canGoBack];
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NSLog(@"-------------------- webProgress: finished");
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}
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// 页面开始加载时调用
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- (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation {
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self.loadCount ++;
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NSLog(@"28614 didStartProvisionalNavigation");
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}
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// 内容返回时
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- (void)webView:(WKWebView *)webView didCommitNavigation:(WKNavigation *)navigation {
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self.loadCount --;
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NSLog(@"28614 didCommitNavigation");
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}
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//失败
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- (void)webView:(WKWebView *)webView didFailNavigation: (null_unspecified WKNavigation *)navigation withError:(NSError *)error {
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self.loadCount --;
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NSLog(@"28614 didFailNavigation : %@",error);
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if (_isShowErrorView == YES) {
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[self.view addSubview:self.emptyView];
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}
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_isShowErrorView = YES;
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}
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//失败回调(上面的失败不会回调)
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- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(WKNavigation *)navigation withError:(NSError *)error
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{
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NSLog(@"28614 didFailProvisionalNavigation : %@",error);
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if (_isShowErrorView == YES) {
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[self.view addSubview:self.emptyView];
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}
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_isShowErrorView = YES;
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}
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- (void)webView:(WKWebView *)webView decidePolicyForNavigationResponse:(WKNavigationResponse *)navigationResponse decisionHandler:(void (^)(WKNavigationResponsePolicy))decisionHandler {
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NSLog(@"28614-*-* decidePolicyForNavigationResponse");
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NSHTTPURLResponse *response = (NSHTTPURLResponse *)navigationResponse.response;
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NSDictionary *headers = response.allHeaderFields;
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NSLog(@"28614-*-* url :%@", response.URL.relativeString);
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NSLog(@"28614-*-* statue code: %ld", (long)response.statusCode);
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NSLog(@"28614-*-* headers %@", headers);
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decisionHandler(WKNavigationResponsePolicyAllow);
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}
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- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler
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{
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NSLog(@"28614 decidePolicyForNavigationAction");
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NSURLRequest *req = navigationAction.request;
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NSLog(@"28614-*-* url :%@", req.URL.relativeString);
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NSLog(@"28614-*-* headers %@", req.allHTTPHeaderFields);
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//如果是跳转一个新页面
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if (navigationAction.targetFrame == nil) {
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[webView loadRequest:navigationAction.request];
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}
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NSURL *URL = navigationAction.request.URL;
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NSLog(@"28614 : %@", URL);
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NSString *scheme = [URL scheme];
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if ([scheme isEqualToString:@"tel"]) {
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NSString *resourceSpecifier = [URL resourceSpecifier];
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NSString *callPhone = [NSString stringWithFormat:@"telprompt://%@", resourceSpecifier];
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[[UIApplication sharedApplication] openURL:[NSURL URLWithString:callPhone]];
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decisionHandler(WKNavigationActionPolicyCancel);
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return ;
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}
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//加入唤醒邮件功能
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if([scheme isEqualToString:@"mailto"]){
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[self sendEmai:URL];
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decisionHandler(WKNavigationActionPolicyCancel);
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return ;
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}
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decisionHandler(WKNavigationActionPolicyAllow);
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}
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- (void)webView:(WKWebView *)webView runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(void))completionHandler{
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"common_hint".lc_T message:message?:@"" preferredStyle:UIAlertControllerStyleAlert];
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[alertController addAction:([UIAlertAction actionWithTitle:@"common_confirm".lc_T style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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completionHandler();
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}])];
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[self presentViewController:alertController animated:YES completion:nil];
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}
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- (void)webView:(WKWebView *)webView runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(BOOL))completionHandler{
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// DLOG(@"msg = %@ frmae = %@",message,frame);
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"common_hint".lc_T message:message?:@"" preferredStyle:UIAlertControllerStyleAlert];
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[alertController addAction:([UIAlertAction actionWithTitle:@"common_cancel".lc_T style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
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completionHandler(NO);
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}])];
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[alertController addAction:([UIAlertAction actionWithTitle:@"common_confirm".lc_T style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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completionHandler(YES);
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}])];
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[self presentViewController:alertController animated:YES completion:nil];
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}
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- (void)webView:(WKWebView *)webView runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)defaultText initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(NSString * _Nullable))completionHandler
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{
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:prompt message:@"" preferredStyle:UIAlertControllerStyleAlert];
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[alertController addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
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textField.text = defaultText;
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}];
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[alertController addAction:([UIAlertAction actionWithTitle:@"common_complete".lc_T style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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completionHandler(alertController.textFields[0].text?:@"");
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}])];
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[self presentViewController:alertController animated:YES completion:nil];
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}
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- (WKWebView *)webView:(WKWebView *)webView createWebViewWithConfiguration:(WKWebViewConfiguration *)configuration forNavigationAction:(WKNavigationAction *)navigationAction windowFeatures:(WKWindowFeatures *)windowFeatures
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{
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if (!navigationAction.targetFrame.isMainFrame) {
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[webView loadRequest:navigationAction.request];
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}
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return nil;
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}
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#pragma mark - Gesture Recognizer
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- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer {
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return !self.disableNavigationGestures;
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}
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#pragma mark - wwebView功能性扩展
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- (void)sendEmai:(NSURL *)url{
|
|
if (NO == [MFMailComposeViewController canSendMail]) {
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[UIApplication.sharedApplication openURL:url];
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|
}
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else{
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//
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MFMailComposeViewController *picker = [[MFMailComposeViewController alloc] init];
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picker.mailComposeDelegate = self;
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NSString *email = [url.relativeString stringByReplacingOccurrencesOfString:@"mailto:" withString:@""];
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NSArray *toRecipients = [NSArray arrayWithObject:email];
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[picker setToRecipients:toRecipients];
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[self presentViewController:picker animated:YES completion:nil];
|
}
|
}
|
|
#pragma mark - MFMailComposeViewControllerDelegate
|
- (void)mailComposeController:(MFMailComposeViewController*)controller
|
didFinishWithResult:(MFMailComposeResult)result error:(NSError*)error
|
{
|
switch (result)
|
{
|
case MFMailComposeResultCancelled:
|
NSLog(@"邮件发送取消"); // 邮件发送取消
|
break;
|
case MFMailComposeResultSaved:
|
NSLog(@"邮件保存成功"); // 邮件保存成功
|
break;
|
case MFMailComposeResultSent:
|
NSLog(@"邮件发送成功"); // 邮件发送成功
|
break;
|
case MFMailComposeResultFailed:
|
NSLog(@"邮件发送失败"); // 邮件发送失败
|
break;
|
default:
|
NSLog(@"邮件未发送");
|
break;
|
}
|
|
[controller dismissViewControllerAnimated:YES completion:nil];
|
}
|
#pragma mark - 属性
|
-(NSMutableArray*)snapShotsArray{
|
if (!_snapShotsArray) {
|
_snapShotsArray = [NSMutableArray array];
|
}
|
return _snapShotsArray;
|
}
|
|
/**
|
滑动手势
|
*/
|
-(UIPanGestureRecognizer*)swipePanGesture {
|
if (!_swipePanGesture) {
|
_swipePanGesture = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(swipePanGestureHandler:)];
|
}
|
return _swipePanGesture;
|
}
|
-(UIView*)swipingBackgoundView {
|
if (!_swipingBackgoundView) {
|
_swipingBackgoundView = [[UIView alloc] initWithFrame:self.view.bounds];
|
_swipingBackgoundView.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.3];
|
}
|
return _swipingBackgoundView;
|
}
|
#pragma mark - 截取屏幕快照
|
|
-(void)pushCurrentSnapshotViewWithRequest:(NSURLRequest*)request {
|
// NSLog(@"push with request %@",request);
|
NSURLRequest* lastRequest = (NSURLRequest*)[[self.snapShotsArray lastObject] objectForKey:@"request"];
|
|
//如果url是很奇怪的就不push
|
if ([request.URL.absoluteString isEqualToString:@"about:blank"]) {
|
// NSLog(@"about blank!! return");
|
return;
|
}
|
//如果url一样就不进行push
|
if ([lastRequest.URL.absoluteString isEqualToString:request.URL.absoluteString]) {
|
return;
|
}
|
|
|
UIView* currentSnapShotView = [self.webView snapshotViewAfterScreenUpdates:YES];
|
if(request!=nil && currentSnapShotView!=nil){
|
[self.snapShotsArray addObject:
|
@{
|
@"request":request,
|
@"snapShotView":currentSnapShotView
|
}
|
];
|
}
|
|
}
|
-(void)startPopSnapshotView{
|
if (self.isSwipingBack) {
|
return;
|
}
|
if (!self.webView.canGoBack) {
|
return;
|
}
|
self.isSwipingBack = YES;
|
//create a center of scrren
|
CGPoint center = CGPointMake(self.view.bounds.size.width/2, self.view.bounds.size.height/2);
|
|
self.currentSnapShotView = [self.webView snapshotViewAfterScreenUpdates:YES];
|
|
//add shadows just like UINavigationController
|
self.currentSnapShotView.layer.shadowColor = [UIColor blackColor].CGColor;
|
self.currentSnapShotView.layer.shadowOffset = CGSizeMake(3, 3);
|
self.currentSnapShotView.layer.shadowRadius = 5;
|
self.currentSnapShotView.layer.shadowOpacity = 0.75;
|
|
//move to center of screen
|
self.currentSnapShotView.center = center;
|
|
self.prevSnapShotView = (UIView*)[[self.snapShotsArray lastObject] objectForKey:@"snapShotView"];
|
center.x -= 60;
|
self.prevSnapShotView.center = center;
|
self.prevSnapShotView.alpha = 1;
|
self.view.backgroundColor = [UIColor blackColor];
|
|
[self.view addSubview:self.prevSnapShotView];
|
[self.view addSubview:self.swipingBackgoundView];
|
[self.view addSubview:self.currentSnapShotView];
|
}
|
|
-(void)popSnapShotViewWithPanGestureDistance:(CGFloat)distance{
|
if (!self.isSwipingBack) {
|
return;
|
}
|
|
if (distance <= 0) {
|
return;
|
}
|
|
CGPoint currentSnapshotViewCenter = CGPointMake(boundsWidth/2, boundsHeight/2);
|
currentSnapshotViewCenter.x += distance;
|
CGPoint prevSnapshotViewCenter = CGPointMake(boundsWidth/2, boundsHeight/2);
|
prevSnapshotViewCenter.x -= (boundsWidth - distance)*60/boundsWidth;
|
// NSLog(@"prev center x%f",prevSnapshotViewCenter.x);
|
|
self.currentSnapShotView.center = currentSnapshotViewCenter;
|
self.prevSnapShotView.center = prevSnapshotViewCenter;
|
self.swipingBackgoundView.alpha = (boundsWidth - distance)/boundsWidth;
|
}
|
|
-(void)endPopSnapShotView{
|
if (!self.isSwipingBack) {
|
return;
|
}
|
|
//prevent the user touch for now
|
self.view.userInteractionEnabled = NO;
|
|
if (self.currentSnapShotView.center.x >= boundsWidth) {
|
[self.webView goBack];
|
// pop success
|
[UIView animateWithDuration:0.2 animations:^{
|
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
|
|
self.currentSnapShotView.center = CGPointMake(boundsWidth*3/2, boundsHeight/2);
|
self.prevSnapShotView.center = CGPointMake(boundsWidth/2, boundsHeight/2);
|
self.swipingBackgoundView.alpha = 0;
|
}completion:^(BOOL finished) {
|
[self.prevSnapShotView removeFromSuperview];
|
[self.swipingBackgoundView removeFromSuperview];
|
[self.currentSnapShotView removeFromSuperview];
|
|
[self.snapShotsArray removeLastObject];
|
self.view.userInteractionEnabled = YES;
|
|
self.isSwipingBack = NO;
|
}];
|
}else{
|
//pop fail
|
[UIView animateWithDuration:0.2 animations:^{
|
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
|
|
self.currentSnapShotView.center = CGPointMake(boundsWidth/2, boundsHeight/2);
|
self.prevSnapShotView.center = CGPointMake(boundsWidth/2-60, boundsHeight/2);
|
self.prevSnapShotView.alpha = 1;
|
}completion:^(BOOL finished) {
|
[self.prevSnapShotView removeFromSuperview];
|
[self.swipingBackgoundView removeFromSuperview];
|
[self.currentSnapShotView removeFromSuperview];
|
self.view.userInteractionEnabled = YES;
|
|
self.isSwipingBack = NO;
|
}];
|
}
|
}
|
#pragma mark - 手势方法
|
-(void)swipePanGestureHandler:(UIPanGestureRecognizer*)panGesture{
|
CGPoint translation = [panGesture translationInView:self.webView];
|
CGPoint location = [panGesture locationInView:self.webView];
|
// NSLog(@"pan x %f,pan y %f",translation.x,translation.y);
|
|
if (panGesture.state == UIGestureRecognizerStateBegan) {
|
if (location.x <= 50 && translation.x > 0) { //开始动画
|
[self startPopSnapshotView];
|
}
|
}else if (panGesture.state == UIGestureRecognizerStateCancelled || panGesture.state == UIGestureRecognizerStateEnded){
|
[self endPopSnapShotView];
|
}else if (panGesture.state == UIGestureRecognizerStateChanged){
|
[self popSnapShotViewWithPanGestureDistance:translation.x];
|
}
|
}
|
- (void)decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction
|
{
|
NSLog(@"点击跳转----%@",navigationAction.request.URL.absoluteString);
|
switch (navigationAction.navigationType) {
|
case WKNavigationTypeLinkActivated:
|
[self pushCurrentSnapshotViewWithRequest:navigationAction.request];
|
break;
|
case WKNavigationTypeFormSubmitted:
|
[self pushCurrentSnapshotViewWithRequest:navigationAction.request];
|
break;
|
case WKNavigationTypeOther:
|
[self pushCurrentSnapshotViewWithRequest:navigationAction.request];
|
break;
|
case WKNavigationTypeBackForward:
|
break;
|
case WKNavigationTypeReload:
|
break;
|
case WKNavigationTypeFormResubmitted:
|
break;
|
default:
|
break;
|
}
|
}
|
|
#pragma mark - 错误页面
|
- (UIView *)getEmptyViewByImage:(UIImage *)image title:(NSString *)title
|
{
|
UIView *emptyView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)];
|
|
UIImage *emptyImage = image;
|
UIImageView *emptyImageView = [[UIImageView alloc]initWithImage:emptyImage];
|
[emptyView addSubview:emptyImageView];
|
|
[emptyImageView mas_makeConstraints:^(MASConstraintMaker *make) {
|
make.centerY.equalTo(emptyView).offset(emptyImage.size.height/6).multipliedBy(2.0/3.0);
|
make.width.mas_equalTo(emptyImage.size.width);
|
make.height.mas_equalTo(emptyImage.size.height);
|
make.centerX.equalTo(emptyView);
|
}];
|
|
UILabel *wordLbl = [[UILabel alloc]initWithFrame:CGRectZero];
|
wordLbl.tag = 100;
|
wordLbl.textColor = [UIColor dhcolor_c2];
|
wordLbl.textAlignment = NSTextAlignmentCenter;
|
wordLbl.font = [UIFont dhFont_t4];
|
wordLbl.numberOfLines = 0;
|
wordLbl.lineBreakMode = NSLineBreakByWordWrapping;
|
wordLbl.text = title;
|
[emptyView addSubview:wordLbl];
|
|
[wordLbl mas_makeConstraints:^(MASConstraintMaker *make) {
|
make.top.equalTo(emptyImageView.mas_bottom).offset(6.0);
|
make.centerX.equalTo(emptyView);
|
}];
|
|
UIButton *button = [[UIButton alloc] init];
|
button.frame = emptyView.bounds;
|
button.backgroundColor = [UIColor clearColor];
|
[button addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside];
|
[emptyView addSubview:button];
|
|
return emptyView;
|
}
|
|
- (void)buttonClicked:(UIButton *)button
|
{
|
[self.emptyView removeFromSuperview];
|
|
// 重新加载
|
NSURL *URL = [NSURL URLWithString:_playUrl];
|
NSLog(@"28614 : %@", URL);
|
|
//【*】缓存策略：由于海外前端的原因，使用NSURLRequestUseProtocolCachePolicy会导致页面加载不正确
|
NSURLRequestCachePolicy cachePolicy = [DHModuleConfig shareInstance].isLeChange ? NSURLRequestUseProtocolCachePolicy : NSURLRequestReloadIgnoringLocalCacheData;
|
|
NSURLRequest *request = [NSURLRequest requestWithURL:URL cachePolicy:cachePolicy timeoutInterval:10.0];
|
NSLog(@"28614-*-* cachePolicy:%lu",(unsigned long)request.cachePolicy );
|
NSLog(@"28614-*-* allHTTPHeaderFields: %@", request.allHTTPHeaderFields);
|
|
[_webView loadRequest:request];
|
}
|
|
@end
|
