// // Copyright © 2015年 dahua. All rights reserved. // #import #import #import "DHModule.h" #import #import #import #import #import #import #import #import #import #define boundsWidth self.view.bounds.size.width #define boundsHeight self.view.bounds.size.height @interface LCWebViewController() @property (strong, nonatomic)WKNavigation *backNavigation; /** * 记录全部截屏视图 */ @property (nonatomic,strong)NSMutableArray* snapShotsArray; /** * 当前正在展示的截屏视图 */ @property (nonatomic,strong)UIView* currentSnapShotView; /** * 之前视图的截屏 */ @property (nonatomic,strong)UIView* prevSnapShotView; /** * 手势背景视图 */ @property (nonatomic,strong)UIView* swipingBackgoundView; /** * 右滑手势 */ @property (nonatomic)UIPanGestureRecognizer* swipePanGesture; /** * 是否正在滑动 */ @property (nonatomic)BOOL isSwipingBack; /** * 错误页面 */ @property (nonatomic,strong)UIView* emptyView; /** 是否已经加载到H5页面 */ @property (nonatomic,assign) BOOL hasLoadedH5Page; @end @implementation LCWebViewController - (UIView *)emptyView { if(_emptyView == nil) { _emptyView = [self getEmptyViewByImage:[UIImage imageNamed:@"common_nullpic_faule"] title:@"loaded_net_failure_and_retry".lc_T]; } return _emptyView; } - (instancetype)init { if(self = [super init]) { self.isUseH5Title = YES; self.hasLoadedH5Page = false; } return self; } - (BOOL)shouldUseCustomBackButton { return YES; } #pragma mark - Properties - (void)setLocalTitle:(NSString *)localTitle { _localTitle = localTitle; self.title = localTitle; } - (void)setPlayUrl:(NSString *)playUrl { _playUrl = playUrl; // _playUrl = @"http://dvl.lechange.cn/lcview#/mycloud"; } - (void)setLoadCount:(NSUInteger)loadCount { _loadCount = loadCount; if (loadCount == 0) { self.progressView.hidden = YES; [self.progressView setProgress:0 animated:NO]; }else { self.progressView.hidden = NO; CGFloat oldP = self.progressView.progress; CGFloat newP = (1.0 - oldP) / (loadCount + 1) + oldP; if (newP > 0.95) { newP = 0.95; } [self.progressView setProgress:newP animated:YES]; } } #pragma mark - ViewCycles - (void)viewDidLoad { [super viewDidLoad]; self.view.backgroundColor = [UIColor dhcolor_c43]; _isShowErrorView = YES; _playUrl = [_playUrl stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]]; [WKWebViewJavascriptBridge enableLogging]; //【*】设置视频自动内联播放 WKWebViewConfiguration *config = [[WKWebViewConfiguration alloc] init]; if (@available(iOS 10.0, *)) { config.mediaTypesRequiringUserActionForPlayback = NO; } config.allowsInlineMediaPlayback = YES; _webView = [[WKWebView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height) configuration:config]; _webView.autoresizingMask = UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight; _webView.navigationDelegate = self; _webView.UIDelegate = self; _webView.scrollView.bounces = NO; //禁止手势侧滑 // [_webView addGestureRecognizer:self.swipePanGesture]; // _webView.allowsBackForwardNavigationGestures = YES; self.bridge = [WKWebViewJavascriptBridge bridgeForWebView:_webView]; [self.bridge setWebViewDelegate:self]; [self.view addSubview: _webView]; NSURL *URL = [NSURL URLWithString:_playUrl]; if ([URL.scheme isEqualToString:@"file"]) { //本地文件 带file:// URL = [self fileURLForBuggyWKWebView8:URL]; } else { if ([_playUrl componentsSeparatedByString:@"?"].count <= 1) { NSString *url = [_playUrl stringByAppendingString:[NSString stringWithFormat:@"?random=%d", arc4random_uniform(10000)]]; _playUrl = url; URL = [NSURL URLWithString:url]; } else { NSString *url = [_playUrl stringByAppendingString:[NSString stringWithFormat:@"&random=%d", arc4random_uniform(10000)]]; _playUrl = url; URL = [NSURL URLWithString:url]; } } NSLog(@"URL : %@", URL); //【*】缓存策略： NSURLRequestCachePolicy cachePolicy = 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]; _shouldRotate = NO; self.progressView = [[UIProgressView alloc] initWithFrame:CGRectMake(0, 0, [[UIScreen mainScreen] bounds].size.width, 1)]; self.progressView.backgroundColor = [UIColor clearColor]; self.progressView.trackTintColor = [UIColor clearColor]; self.progressView.progressTintColor = [UIColor dhcolor_c0]; //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. //self.progressView.transform = CGAffineTransformMakeScale(1.0f, 1.5f); [self.view addSubview:self.progressView]; // Do any additional setup after loading the view. [_webView addObserver:self forKeyPath:@"estimatedProgress" options:NSKeyValueObservingOptionNew context:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(playerWillExitFullScreen) name:UIWindowDidBecomeVisibleNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(moviePlayerWillExitFullscreen) name:UIWindowDidBecomeHiddenNotification object:nil]; //[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(videoDidRotate) name:UIDeviceOrientationDidChangeNotification object:nil]; [self.webView addObserver:self forKeyPath:@"URL" options:NSKeyValueObservingOptionNew context:nil]; [self.webView addObserver:self forKeyPath:@"title" options:NSKeyValueObservingOptionNew context:nil]; [self.webView addObserver:self forKeyPath:@"canGoBack" options:NSKeyValueObservingOptionNew context:nil]; } - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; [self.navigationController setNavigationBarHidden:NO animated:animated]; if (self.hasLoadedH5Page == false) { [self.webView reload]; } //[self.navigationController.navigationBar addSubview:_progressView]; } -(void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:animated]; //[_progressView removeFromSuperview]; [self.webView evaluateJavaScript:@"document.title" completionHandler:^(NSString* response, NSError * _Nullable error) { NSLog(@"-----------viewWillDisappear H5 title is %@",response); if (response.length != 0) { self.hasLoadedH5Page = true; } }]; } -(void)setNavgationLeftItem:(BOOL)canGoBack { if (canGoBack) { //返回按钮 UIButton *backButton = [UIButton buttonWithType:UIButtonTypeCustom]; backButton.frame = CGRectMake(0, 0, 30, 30); [backButton setImage:[UIImage imageNamed:@"nav_back"] forState:UIControlStateNormal]; // [backButton setImage:[UIImage imageNamed:@"nav_icon_back_click"] forState:UIControlStateHighlighted]; [backButton addTarget:self action:@selector(onLeftNaviItemClick:) forControlEvents:UIControlEventTouchUpInside]; //取消按钮 UIButton *closeButton = [UIButton buttonWithType:UIButtonTypeCustom]; closeButton.frame = CGRectMake(0, 0, 40, 40); [closeButton setImage:[UIImage imageNamed:@"common_image_nav_cancel"] forState:UIControlStateNormal]; [closeButton setImage:[UIImage imageNamed:@"common_image_nav_cancel"] forState:UIControlStateHighlighted]; [closeButton addTarget:self action:@selector(onCloseButtonClick:) forControlEvents:UIControlEventTouchUpInside]; self.navigationItem.lc_leftBarButtons = @[backButton,closeButton]; } else { [self initLeftNavigationItem]; } } - (void)onCloseButtonClick:(UIButton *)btn { if (self.closeBlock) { self.closeBlock(); } else { [self.navigationController popViewControllerAnimated:YES]; } } - (void)onLeftNaviItemClick:(UIButton *)btn { if ([_webView canGoBack]) { [_webView endEditing:YES]; self.backNavigation = [_webView goBack];; } else { if (self.closeBlock) { self.closeBlock(); } else { [self.navigationController popViewControllerAnimated:YES]; } } } - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { if ([keyPath isEqualToString:@"loading"]) { } else if ([keyPath isEqualToString:@"title"]) { [_webView evaluateJavaScript:@"document.title" completionHandler:^(NSString* response, NSError * _Nullable error) { if(response.length!=0 && self.isUseH5Title) { self.title = response; } }]; } else if ([keyPath isEqualToString:@"URL"]) { // NSLog(@"url == %@",self.webView.URL.absoluteString); // [self setNavgationLeftItem:self.webView.canGoBack]; } else if ([keyPath isEqualToString:@"estimatedProgress"]) { self.progressView.progress = _webView.estimatedProgress; } else if ([keyPath isEqualToString:@"canGoBack"]) { [self setNavgationLeftItem:[[change objectForKey:NSKeyValueChangeNewKey] boolValue]]; } if (object == _webView && [keyPath isEqualToString:@"estimatedProgress"]) { CGFloat newprogress = [[change objectForKey:NSKeyValueChangeNewKey] doubleValue]; if (newprogress == 1) { self.progressView.hidden = YES; [self.progressView setProgress:0 animated:NO]; }else { self.progressView.hidden = NO; [self.progressView setProgress:newprogress animated:YES]; } } } - (void)dealloc { [_webView removeObserver:self forKeyPath:@"estimatedProgress"]; [_webView removeObserver:self forKeyPath:@"URL"]; [_webView removeObserver:self forKeyPath:@"title"]; [_webView removeObserver:self forKeyPath:@"canGoBack"]; [[NSNotificationCenter defaultCenter] removeObserver:self]; } - (void)playerWillExitFullScreen { [NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(resetShouldRotate) object:nil]; [self performSelector:@selector(resetShouldRotate) withObject:nil afterDelay:0.5]; } - (void)moviePlayerWillExitFullscreen { [self performSelector:@selector(adjustStateBarAndNavigationBar) withObject:nil afterDelay:0.1]; } - (void)adjustStateBarAndNavigationBar { if (self.isTopController) { [[UIApplication sharedApplication] setStatusBarHidden:NO]; } } - (void)resetShouldRotate { _shouldRotate = YES; [UIDevice lc_setOrientation:UIInterfaceOrientationPortrait]; _shouldRotate = NO; } - (BOOL)shouldAutorotate { return _shouldRotate; } - (void)videoDidRotate { [self performSelector:@selector(resetNavbarFrame) withObject:nil afterDelay:0.1]; } - (void)resetNavbarFrame { CGRect windowFrame = [UIScreen mainScreen].applicationFrame; CGFloat statusBarH = (DH_IS_IPHONEX ? 44.0 : 20.0); CGFloat navBarH = self.navBar.frame.size.height; if (UIDeviceOrientationIsPortrait([[UIDevice currentDevice] orientation])) { self.navBar.frame = CGRectMake(0.0, statusBarH, windowFrame.size.width, navBarH); 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); } } #pragma mark - custom methods - (NSURL *)fileURLForBuggyWKWebView8:(NSURL *)fileURL { NSError *error = nil; if (!fileURL.fileURL || ![fileURL checkResourceIsReachableAndReturnError:&error]) { return nil; } // Create "/temp/www" directory NSFileManager *fileManager= [NSFileManager defaultManager]; NSURL *temDirURL = [[NSURL fileURLWithPath:NSTemporaryDirectory()] URLByAppendingPathComponent:@"www"]; [fileManager createDirectoryAtURL:temDirURL withIntermediateDirectories:YES attributes:nil error:&error]; NSURL *dstURL = [temDirURL URLByAppendingPathComponent:fileURL.lastPathComponent]; // Now copy given file to the temp directory [fileManager removeItemAtURL:dstURL error:&error]; [fileManager copyItemAtURL:fileURL toURL:dstURL error:&error]; // Files in "/temp/www" load flawlesly :) NSString *desPath = [[NSTemporaryDirectory() stringByAppendingPathComponent:@"www"] stringByAppendingPathComponent:fileURL.lastPathComponent]; return [NSURL fileURLWithPath:desPath]; } #pragma mark - - (void)webView:(WKWebView *)webView didReceiveServerRedirectForProvisionalNavigation:(null_unspecified WKNavigation *)navigation; { NSLog(@"28614 didReceiveServerRedirectForProvisionalNavigation"); } - (void)webView:(WKWebView *)webView didFinishNavigation:(null_unspecified WKNavigation *)navigation { if ([self.backNavigation isEqual:navigation]) { // 这次的加载是点击返回产生的，刷新 [webView reload]; self.backNavigation = nil; [self setNavgationLeftItem:webView.canGoBack]; } if (![webView canGoBack] && self.localTitle.length > 0) { return; } //【*】webview 长按及复制功能 // [webView evaluateJavaScript:@"document.documentElement.style.webkitUserSelect='none';" completionHandler:^(NSString* response, NSError * _Nullable error) { // // }]; // [webView evaluateJavaScript:@"document.documentElement.style.webkitTouchCallout='none';" completionHandler:^(NSString* response, NSError * _Nullable error) { // // }]; //加载完成,如果当前导航栏无标题,根据url网页获取标题 [webView evaluateJavaScript:@"document.title" completionHandler:^(NSString* response, NSError * _Nullable error) { if(response.length!=0 && self.isUseH5Title) { self.title = response; } }]; [self setNavgationLeftItem:webView.canGoBack]; NSLog(@"-------------------- webProgress: finished"); } // 页面开始加载时调用 - (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation { self.loadCount ++; NSLog(@"28614 didStartProvisionalNavigation"); } // 内容返回时 - (void)webView:(WKWebView *)webView didCommitNavigation:(WKNavigation *)navigation { self.loadCount --; NSLog(@"28614 didCommitNavigation"); } //失败 - (void)webView:(WKWebView *)webView didFailNavigation: (null_unspecified WKNavigation *)navigation withError:(NSError *)error { self.loadCount --; NSLog(@"28614 didFailNavigation : %@",error); if (_isShowErrorView == YES) { [self.view addSubview:self.emptyView]; } _isShowErrorView = YES; } //失败回调(上面的失败不会回调) - (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(WKNavigation *)navigation withError:(NSError *)error { NSLog(@"28614 didFailProvisionalNavigation : %@",error); if (_isShowErrorView == YES) { [self.view addSubview:self.emptyView]; } _isShowErrorView = YES; } - (void)webView:(WKWebView *)webView decidePolicyForNavigationResponse:(WKNavigationResponse *)navigationResponse decisionHandler:(void (^)(WKNavigationResponsePolicy))decisionHandler { NSLog(@"28614-*-* decidePolicyForNavigationResponse"); NSHTTPURLResponse *response = (NSHTTPURLResponse *)navigationResponse.response; NSDictionary *headers = response.allHeaderFields; NSLog(@"28614-*-* url :%@", response.URL.relativeString); NSLog(@"28614-*-* statue code: %ld", (long)response.statusCode); NSLog(@"28614-*-* headers %@", headers); decisionHandler(WKNavigationResponsePolicyAllow); } - (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler { NSLog(@"28614 decidePolicyForNavigationAction"); NSURLRequest *req = navigationAction.request; NSLog(@"28614-*-* url :%@", req.URL.relativeString); NSLog(@"28614-*-* headers %@", req.allHTTPHeaderFields); //如果是跳转一个新页面 if (navigationAction.targetFrame == nil) { [webView loadRequest:navigationAction.request]; } NSURL *URL = navigationAction.request.URL; NSLog(@"28614 : %@", URL); NSString *scheme = [URL scheme]; if ([scheme isEqualToString:@"tel"]) { NSString *resourceSpecifier = [URL resourceSpecifier]; NSString *callPhone = [NSString stringWithFormat:@"telprompt://%@", resourceSpecifier]; [[UIApplication sharedApplication] openURL:[NSURL URLWithString:callPhone]]; decisionHandler(WKNavigationActionPolicyCancel); return ; } //加入唤醒邮件功能 if([scheme isEqualToString:@"mailto"]){ [self sendEmai:URL]; decisionHandler(WKNavigationActionPolicyCancel); return ; } decisionHandler(WKNavigationActionPolicyAllow); } - (void)webView:(WKWebView *)webView runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(void))completionHandler{ UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"common_hint".lc_T message:message?:@"" preferredStyle:UIAlertControllerStyleAlert]; [alertController addAction:([UIAlertAction actionWithTitle:@"common_confirm".lc_T style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) { completionHandler(); }])]; [self presentViewController:alertController animated:YES completion:nil]; } - (void)webView:(WKWebView *)webView runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(BOOL))completionHandler{ // DLOG(@"msg = %@ frmae = %@",message,frame); UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"common_hint".lc_T message:message?:@"" preferredStyle:UIAlertControllerStyleAlert]; [alertController addAction:([UIAlertAction actionWithTitle:@"common_cancel".lc_T style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) { completionHandler(NO); }])]; [alertController addAction:([UIAlertAction actionWithTitle:@"common_confirm".lc_T style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) { completionHandler(YES); }])]; [self presentViewController:alertController animated:YES completion:nil]; } - (void)webView:(WKWebView *)webView runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)defaultText initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(NSString * _Nullable))completionHandler { UIAlertController *alertController = [UIAlertController alertControllerWithTitle:prompt message:@"" preferredStyle:UIAlertControllerStyleAlert]; [alertController addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) { textField.text = defaultText; }]; [alertController addAction:([UIAlertAction actionWithTitle:@"common_complete".lc_T style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) { completionHandler(alertController.textFields[0].text?:@""); }])]; [self presentViewController:alertController animated:YES completion:nil]; } - (WKWebView *)webView:(WKWebView *)webView createWebViewWithConfiguration:(WKWebViewConfiguration *)configuration forNavigationAction:(WKNavigationAction *)navigationAction windowFeatures:(WKWindowFeatures *)windowFeatures { if (!navigationAction.targetFrame.isMainFrame) { [webView loadRequest:navigationAction.request]; } return nil; } #pragma mark - Gesture Recognizer - (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer { return !self.disableNavigationGestures; } #pragma mark - wwebView功能性扩展 - (void)sendEmai:(NSURL *)url{ if (NO == [MFMailComposeViewController canSendMail]) { [UIApplication.sharedApplication openURL:url]; } else{ // MFMailComposeViewController *picker = [[MFMailComposeViewController alloc] init]; picker.mailComposeDelegate = self; NSString *email = [url.relativeString stringByReplacingOccurrencesOfString:@"mailto:" withString:@""]; NSArray *toRecipients = [NSArray arrayWithObject:email]; [picker setToRecipients:toRecipients]; [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