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314 lines
11 KiB
314 lines
11 KiB
// |
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// TFWebViewController.m |
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// WXReader |
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// |
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// Created by 谢腾飞 on 2020/12/3. |
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// Copyright © 2020 xtfei_2011@126.com. All rights reserved. |
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// |
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#import "TFWebViewController.h" |
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#import "TFScriptMessageHandler.h" |
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#import "TFShareManager.h" |
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#import <WebKit/WKWebView.h> |
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#import <WebKit/WebKit.h> |
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#import "NSObject+Observer.h" |
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static void *WkWebBrowserContext = &WkWebBrowserContext; |
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@interface TFWebViewController ()<WKNavigationDelegate, WKUIDelegate, WKScriptMessageHandler> |
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@property (nonatomic, strong) WKWebView *webView; |
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@property (nonatomic, strong) UIProgressView *progressView; |
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@property (nonatomic, strong) NSMutableArray *snapShotsArray; |
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//返回按钮 |
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@property (nonatomic, strong) UIButton *customBackButton; |
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//关闭按钮 |
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@property (nonatomic, strong) UIButton *closeButton; |
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@end |
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@implementation TFWebViewController |
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- (void)viewDidLoad |
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{ |
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[super viewDidLoad]; |
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[self initialize]; |
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[self createSubviews]; |
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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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[[NSNotificationCenter defaultCenter] postNotificationName:Notification_Hidden_Tabbar object:@"1"]; |
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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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[self.webView setNavigationDelegate:nil]; |
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[self.webView setUIDelegate:nil]; |
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NSArray *t_arr = self.navigationController.viewControllers; |
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if (t_arr.count == 0) { |
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[[NSNotificationCenter defaultCenter] postNotificationName:Notification_Show_Tabbar object:nil]; |
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} |
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} |
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- (void)viewDidAppear:(BOOL)animated |
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{ |
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[super viewDidAppear:animated]; |
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[self setStatusBarDefaultStyle]; |
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} |
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- (void)initialize |
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{ |
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[self setNavigationBarTitle:self.navTitle]; |
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[self hiddenNavigationBarLeftButton]; |
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[self.navigationBar addSubview:self.customBackButton]; |
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[self.navigationBar addSubview:self.closeButton]; |
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[self.view addSubview:self.webView]; |
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[self.view addSubview:self.progressView]; |
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} |
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- (void)createSubviews |
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{ |
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NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:self.URLString] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10]; |
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[self.webView loadRequest:request]; |
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} |
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- (void)customBackItemClicked |
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{ |
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if (self.webView.goBack) { |
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[self.webView goBack]; |
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} else { |
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if (self.isPresentState) { |
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[self dismissViewControllerAnimated:YES completion:nil]; |
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} else { |
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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)closeItemClicked |
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{ |
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if (self.isPresentState) { |
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[self dismissViewControllerAnimated:YES completion:nil]; |
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} else { |
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[self.navigationController popViewControllerAnimated:YES]; |
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} |
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} |
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- (void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message |
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{ |
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if ([message.name isEqualToString:@"share"]) { |
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NSDictionary *dic = [TFUtilsHelper dictionaryWithJsonString:message.body]; |
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NSString *title = [TFUtilsHelper formatStringWithObject:[dic objectForKey:@"title"]]; |
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NSString *desc = [TFUtilsHelper formatStringWithObject:[dic objectForKey:@"desc"]]; |
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NSString *imageUrl = [TFUtilsHelper formatStringWithObject:[dic objectForKey:@"image"]]; |
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NSString *url = [TFUtilsHelper formatStringWithObject:[dic objectForKey:@"url"]]; |
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[TFShareManager shareWithTitle:title desc:desc imageUrl:imageUrl shareUrl:url]; |
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} |
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} |
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// 这个是网页加载完成，导航的变化 |
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- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation |
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{ |
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[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO]; |
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[self updateNavigationItems]; |
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} |
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// 开始加载 |
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- (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation |
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{ |
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self.progressView.hidden = NO; |
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} |
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// 内容返回时调用 |
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- (void)webView:(WKWebView *)webView didCommitNavigation:(WKNavigation *)navigation |
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{} |
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// 服务器请求跳转的时候调用 |
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- (void)webView:(WKWebView *)webView didReceiveServerRedirectForProvisionalNavigation:(WKNavigation *)navigation |
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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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switch (navigationAction.navigationType) { |
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case WKNavigationTypeLinkActivated: { |
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[self pushCurrentSnapshotViewWithRequest:navigationAction.request]; |
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break; |
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} |
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case WKNavigationTypeFormSubmitted: { |
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[self pushCurrentSnapshotViewWithRequest:navigationAction.request]; |
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break; |
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} |
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case WKNavigationTypeBackForward: { |
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break; |
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} |
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case WKNavigationTypeReload: { |
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break; |
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} |
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case WKNavigationTypeFormResubmitted: { |
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break; |
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} |
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case WKNavigationTypeOther: { |
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[self pushCurrentSnapshotViewWithRequest:navigationAction.request]; |
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break; |
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} |
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default: { |
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break; |
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} |
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} |
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[self updateNavigationItems]; |
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decisionHandler(WKNavigationActionPolicyAllow); |
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} |
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// 内容加载失败时候调用 |
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- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(WKNavigation *)navigation withError:(NSError *)error |
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{} |
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// 跳转失败的时候调用 |
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- (void)webView:(WKWebView *)webView didFailNavigation:(WKNavigation *)navigation withError:(NSError *)error |
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{} |
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// 进度条 |
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- (void)webViewWebContentProcessDidTerminate:(WKWebView *)webView |
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{} |
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- (void)updateNavigationItems |
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{ |
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if (self.webView.canGoBack) { |
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self.closeButton.hidden = NO; |
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}else{ |
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self.navigationController.interactivePopGestureRecognizer.enabled = YES; |
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self.closeButton.hidden = YES; |
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} |
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} |
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// 请求链接处理 |
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- (void)pushCurrentSnapshotViewWithRequest:(NSURLRequest *)request |
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{ |
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NSURLRequest *lastRequest = (NSURLRequest *)[[self.snapShotsArray lastObject] objectForKey:@"request"]; |
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if ([request.URL.absoluteString isEqualToString:@"about:blank"]) { |
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return; |
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} |
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if ([lastRequest.URL.absoluteString isEqualToString:request.URL.absoluteString]) { |
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return; |
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} |
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UIView *currentSnapShotView = [self.webView snapshotViewAfterScreenUpdates:YES]; |
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[self.snapShotsArray addObject:@{@"request":request,@"snapShotView":currentSnapShotView}]; |
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} |
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- (UIButton *)customBackButton |
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{ |
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if (!_customBackButton) { |
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UIButton *backButton = [[UIButton alloc] init]; |
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backButton.frame = CGRectMake(kHalfMargin, PUB_NAVBAR_OFFSET + 20, 44, 44); |
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[backButton.titleLabel setFont:kMainFont]; |
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[backButton setTitleColor:[UIColor grayColor] forState:UIControlStateNormal]; |
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[backButton setTitleColor:[UIColor grayColor] forState:UIControlStateHighlighted]; |
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[backButton setImage:[UIImage imageNamed:@"public_back"] forState:UIControlStateNormal]; |
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[backButton setImageEdgeInsets:UIEdgeInsetsMake(12, 6, 12, 18)]; |
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[backButton addTarget:self action:@selector(customBackItemClicked) forControlEvents:UIControlEventTouchUpInside]; |
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_customBackButton = backButton; |
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} |
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return _customBackButton; |
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} |
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- (UIButton *)closeButton |
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{ |
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if (!_closeButton) { |
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UIButton *backButton = [[UIButton alloc] init]; |
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backButton.frame = CGRectMake(kHalfMargin + 44, PUB_NAVBAR_OFFSET + 20, 44, 44); |
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backButton.hidden = YES; |
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backButton.adjustsImageWhenHighlighted = NO; |
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backButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft; |
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[backButton setTitle:TFLocalizedString(@"关闭") forState:UIControlStateNormal]; |
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[backButton.titleLabel setFont:kMainFont]; |
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[backButton setTitleColor:kBlackColor forState:UIControlStateNormal]; |
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[backButton addTarget:self action:@selector(closeItemClicked) forControlEvents:UIControlEventTouchUpInside]; |
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_closeButton = backButton; |
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} |
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return _closeButton; |
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} |
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- (WKWebView *)webView |
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{ |
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if (!_webView) { |
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WKWebViewConfiguration *configuration = [[WKWebViewConfiguration alloc] init]; |
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if (@available(iOS 9.0, *)) { |
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configuration.allowsAirPlayForMediaPlayback = YES; |
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} |
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configuration.allowsInlineMediaPlayback = YES; |
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configuration.selectionGranularity = YES; |
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configuration.processPool = [[WKProcessPool alloc] init]; |
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configuration.preferences.javaScriptCanOpenWindowsAutomatically = YES; |
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configuration.suppressesIncrementalRendering = YES; |
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configuration.userContentController = [WKUserContentController new]; |
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[configuration.userContentController addScriptMessageHandler:[[TFScriptMessageHandler alloc] initWithDelegate:self] name:@"handleGoMall"]; |
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_webView = [[WKWebView alloc] initWithFrame:CGRectMake(0, PUB_NAVBAR_HEIGHT, SCREEN_WIDTH, SCREEN_HEIGHT - PUB_NAVBAR_HEIGHT) configuration:configuration]; |
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_webView.backgroundColor = [UIColor colorWithRed:240.0/255 green:240.0/255 blue:240.0/255 alpha:1.0]; |
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_webView.navigationDelegate = self; |
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_webView.UIDelegate = self; |
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WS(weakSelf) |
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[_webView addObserver:NSStringFromSelector(@selector(estimatedProgress)) complete:^(WKWebView * _Nonnull obj, id _Nullable oldVal, id _Nullable newVal) { |
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[weakSelf.progressView setAlpha:1.0f]; |
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BOOL animated = obj.estimatedProgress > weakSelf.progressView.progress; |
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[weakSelf.progressView setProgress:obj.estimatedProgress animated:animated]; |
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if (obj.estimatedProgress >= 1.0f) { |
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[UIView animateWithDuration:0.3f delay:0.3f options:UIViewAnimationOptionCurveEaseOut animations:^{ |
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[weakSelf.progressView setAlpha:0.0f]; |
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} completion:^(BOOL finished) { |
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[weakSelf.progressView setProgress:0.0f animated:NO]; |
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}]; |
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} |
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}]; |
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_webView.allowsBackForwardNavigationGestures = YES; |
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} |
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return _webView; |
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} |
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- (UIProgressView *)progressView |
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{ |
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if (!_progressView) { |
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_progressView = [[UIProgressView alloc] initWithProgressViewStyle:UIProgressViewStyleDefault]; |
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_progressView.frame = CGRectMake(0, PUB_NAVBAR_HEIGHT, self.view.bounds.size.width, 3); |
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_progressView.progressTintColor = kMainColor; |
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[_progressView setTrackTintColor:[UIColor clearColor]]; |
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} |
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return _progressView; |
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} |
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- (NSMutableArray *)snapShotsArray |
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{ |
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if (!_snapShotsArray) { |
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_snapShotsArray = [NSMutableArray array]; |
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} |
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return _snapShotsArray; |
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} |
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- (void)dealloc |
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{ |
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[_webView.configuration.userContentController removeScriptMessageHandlerForName:@"handleGoMall"]; |
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} |
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@end
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