kudians/ZBProject/Tools/ZBAdWebViewC...

//
//  ZBAdWebViewController.m
//  ZBProject
//
//  Created by 学丽 on 2019/4/10.
//  Copyright © 2019 ZB. All rights reserved.
//

#import "ZBAdWebViewController.h"
static NSString *refresh_h5 = @"refresh_h5";

static NSString *app_h5_get_token = @"app_h5_get_token";//获取token
static NSString *app_h5_save_message=@"app_h5_save_message";
static NSString *app_h5_get_message=@"app_h5_get_message";
static NSString *app_h5_to_goodsdetail=@"app_h5_to_goodsdetail";


@interface ZBAdWebViewController ()<WKUIDelegate, WKNavigationDelegate,WKScriptMessageHandler>

@property (nonatomic, strong) WKWebView *webView;

/** 加载进度条 */
@property (nonatomic, strong) UIProgressView *progressView;

@property (nonatomic, strong) UIButton *backButton;
@property (nonatomic, strong) UIButton *closeButton;
@property (nonatomic, strong) UIButton *refreshButton;

@end

@implementation ZBAdWebViewController
- (void)viewDidLoad {
    [super viewDidLoad];
    [self addNotification];
    [self configNavigationBar];
    [self addUserhandler];
    [self loadRequest];
}
-(void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
    [_backButton setImage:[UIImage imageNamed:@"back"] forState:UIControlStateNormal];
    self.navBar.backgroundColor = [UIColor clearColor];
    [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleDefault];
}
- (void)addNotification {
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(refreshH5Action)
                                                 name:UIApplicationDidBecomeActiveNotification object:nil];
    [[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(endFullScreen) name:UIWindowDidBecomeHiddenNotification object:nil];
}

//处理web视频全屏播放时 状态栏消失
- (void)endFullScreen {
    [[UIApplication sharedApplication]setStatusBarHidden:false animated:false];
}

- (void)configNavigationBar {
    
    self.view.backgroundColor = [UIColor whiteColor];
    [self.view addSubview:self.webView];
    [self.view addSubview:self.progressView];
    
    self.navBar.showNavigationBarBottomLine = YES;
    [self.navBar setCustomLeftButtons:@[self.backButton]];
    [self.navBar setCustomRightButtons:@[self.refreshButton]];
    
    
    if (@available(iOS 11.0, *)) {
        self.webView.scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;//UIScrollView也适用
    }else {
        self.automaticallyAdjustsScrollViewInsets = NO;
    }
}


- (void)addUserhandler {
    [[self.webView configuration].userContentController addScriptMessageHandler:[[WYWeakScriptMessageDelegate alloc] initWithDelegate:self] name:app_h5_get_token];
     [[self.webView configuration].userContentController addScriptMessageHandler:[[WYWeakScriptMessageDelegate alloc] initWithDelegate:self] name:app_h5_save_message];
     [[self.webView configuration].userContentController addScriptMessageHandler:[[WYWeakScriptMessageDelegate alloc] initWithDelegate:self] name:app_h5_get_message];
    [[self.webView configuration].userContentController addScriptMessageHandler:[[WYWeakScriptMessageDelegate alloc] initWithDelegate:self] name:app_h5_to_goodsdetail];
}
#pragma mark --- WKScriptMessageHandler

- (void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message {
    if ([message.name isEqualToString:app_h5_get_token]){
        //传token给js
        [self sendUserTokenToJS:message];
    }else if ([message.name isEqualToString:app_h5_save_message])
    {
        [self saveLocal:message];
    }else if ([message.name isEqualToString:app_h5_get_message])
    {
        [self sendmessageToJS:message];
    }else if ([message.name isEqualToString:app_h5_to_goodsdetail])
    {//跳转详情
        [self getGoodDetail:message];
    }
}
#pragma mark--跳转详情
-(void)getGoodDetail:(WKScriptMessage *)message
{
    NSDictionary *dict = [self dictionaryWithJsonString:message.body];
    ZBGoodModel *model =[[ZBGoodModel alloc]init];
    model.goods_id = [NSString stringWithFormat:@"%@",dict[@"goodsId"]];
    ZBGoodDetailVC *detailVC = [[ZBGoodDetailVC alloc] init];
    detailVC.model = model;
    
    [self.navigationController pushViewController:detailVC animated:YES];
}
#pragma mark---保存本地
-(void)saveLocal:(WKScriptMessage *)message
{
    NSLog(@"%@",message.body);
    NSDictionary *dic =[self dictionaryWithJsonString:message.body];
    [PublicFunction saveMessage:dic];
    
}
/**
 传消息给js
 */
- (void)sendmessageToJS:(WKScriptMessage *)message {
    
    
    NSDictionary *dict = [self dictionaryWithJsonString:message.body];
    NSString *jsMethod = dict[@"js_callback"];
    
    NSDictionary *tokenPara = [PublicFunction getMessage];
    if (tokenPara.allKeys.count == 0) {
        return;
    }
    NSString *jsonDict = [self convertToJsonData:tokenPara];
    NSString *callBacKMethod = [NSString stringWithFormat:@"%@('%@')",jsMethod,jsonDict];
    [self.webView evaluateJavaScript:callBacKMethod completionHandler:^(id _Nullable value, NSError * _Nullable error) {
        
    }];
    
}
/**
 传token给js
 */
- (void)sendUserTokenToJS:(WKScriptMessage *)message {
    
    __block NSString *token = [AccountTool account].token;
    
    NSDictionary *dict = [self dictionaryWithJsonString:message.body];
    NSString *jsMethod = dict[@"js_callback"];
    if (!token) {
        token = @"";
    }
    NSDictionary *tokenPara = @{@"token":token};
    NSString *jsonDict = [self convertToJsonData:tokenPara];
    NSString *callBacKMethod = [NSString stringWithFormat:@"%@('%@')",jsMethod,jsonDict];
    [self.webView evaluateJavaScript:callBacKMethod completionHandler:^(id _Nullable value, NSError * _Nullable error) {
        
    }];
    
}
- (void)loadRequest {
    if (@available(iOS 9.0, *)) {
        NSArray * types=@[WKWebsiteDataTypeCookies,WKWebsiteDataTypeLocalStorage];
        
        NSSet *websiteDataTypes= [NSSet setWithArray:types];
        NSDate *dateFrom = [NSDate dateWithTimeIntervalSince1970:0];
        
        [[WKWebsiteDataStore defaultDataStore] removeDataOfTypes:websiteDataTypes modifiedSince:dateFrom completionHandler:^{
            
        }];
    }
    //    NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:self.url]];
    NSString *urlStr = [self.url stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    NSMutableURLRequest *theRequest = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:urlStr]
                                                              cachePolicy:NSURLRequestReloadIgnoringCacheData
                                                          timeoutInterval:15.0];
    [self.webView loadRequest:theRequest];
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    self.navBar.navTitleLabel.textColor = [UIColor whiteColor];
    [self.navBar setNavTitle:self.webView.title];
    
}

- (void)refreshH5Action {
    
    if (@available(iOS 9.0, *)) {
        NSArray * types=@[WKWebsiteDataTypeCookies,WKWebsiteDataTypeLocalStorage];
        
        NSSet *websiteDataTypes= [NSSet setWithArray:types];
        NSDate *dateFrom = [NSDate dateWithTimeIntervalSince1970:0];
        
        [[WKWebsiteDataStore defaultDataStore] removeDataOfTypes:websiteDataTypes modifiedSince:dateFrom completionHandler:^{
            
        }];
    }
    
    
    NSString *callBacKMethod = [NSString stringWithFormat:@"%@()",refresh_h5];
    [self.webView evaluateJavaScript:callBacKMethod completionHandler:^(id _Nullable value, NSError * _Nullable error) {
        
    }];
}
/**
 kvo监听进度条
 
 @param keyPath keyPath description
 @param object object description
 @param change change description
 @param context context description
 */
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSKeyValueChangeKey,id> *)change context:(void *)context{
    if ([keyPath isEqualToString:NSStringFromSelector(@selector(estimatedProgress))] && object == self.webView ) {
        [self.progressView setAlpha:1.0];
        
        [self.progressView setProgress:self.webView.estimatedProgress ];
        if (self.webView.estimatedProgress >= 1.0) {
            [UIView animateWithDuration:0.7 animations:^{
                [self.progressView setProgress:1.0 animated:YES];
                [self.progressView setAlpha:0.0];
                
            }];
            
        }
    }else{
        [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
    }
}
/**
 当网页加载完成的时候调用
 
 @param webView web描述
 @param navigation 导航的描述
 */
- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation{
    [self.navBar setNavTitle:self.webView.title];
    [[UIApplication sharedApplication]setNetworkActivityIndicatorVisible:NO];
    [self updateNavigationBarButtons];
    [self.webView.scrollView.mj_header endRefreshing];
}
#pragma mark- WKNavigationDelegate delegate

/**
 开始加载web的时候
 
 @param webView webView description
 @param navigation navigation description
 */
- (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation{
    //开始加载的时候,让进度条显示
    self.progressView.hidden = NO;
    self.progressView.progress = 0;
    self.progressView.alpha = 1.0;
    [UIView animateWithDuration:0.8 animations:^{
        self.progressView.progress = 0.6;
        
    }];
}

-(void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler
{
    NSURL *url = navigationAction.request.URL;
    UIApplication *app = [UIApplication sharedApplication];
    
    // 打开appstore
    if ([url.absoluteString containsString:@"https://itunes.apple.com/cn/app/"])
    {
        if ([app canOpenURL:url])
        {
            //设备系统为IOS 10.0或者以上的
            if (@available(iOS 10.0, *)) {
                [[UIApplication sharedApplication] openURL:url options:@{} completionHandler:nil];
            } else {
                [[UIApplication sharedApplication] openURL:url];
            }
            
            decisionHandler(WKNavigationActionPolicyCancel);
            return;
        }
    }
    decisionHandler(WKNavigationActionPolicyAllow);
    
    
    
}


- (WKWebView *)webView{
    if (!_webView) {
        
        WKWebViewConfiguration *config = [[WKWebViewConfiguration alloc] init];
        config.allowsInlineMediaPlayback = NO;
        _webView = [[WKWebView alloc]initWithFrame:CGRectMake(0, NavBarHeight, SCREEN_WIDTH, SCREEN_HEIGHT-NavBarHeight-SafeBottomHeight) configuration:config];
       
        
        
        _webView.backgroundColor = [UIColor colorWithRed:240.0/255 green:240.0/255 blue:240.0/255 alpha:1.0];
        _webView.navigationDelegate = self;
        _webView.UIDelegate = self;
        //使用kvo监听进度
        [_webView addObserver:self forKeyPath:NSStringFromSelector(@selector(estimatedProgress)) options:0 context:nil];
        //手势触摸滑动
        _webView.allowsBackForwardNavigationGestures = YES;
        //自适应
        [_webView sizeToFit];
        
        
    }
    return _webView;
}

#pragma mark-
#pragma mark- SetupConstraints

/** 加载配置以及视图添加*/
- (void)loadSubViewsConfiguration{
    
    [self.view addSubview:self.webView];
}


- (UIButton *)backButton {
    if (!_backButton) {
        _backButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 40, 40)];
        [_backButton setImage:[UIImage imageNamed:@"back"] forState:UIControlStateNormal];
        
        [_backButton addTarget:self action:@selector(backAction) forControlEvents:UIControlEventTouchUpInside];
    }
    return _backButton;
}

- (UIButton *)closeButton {
    if (!_closeButton) {
        
        _closeButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 40, 40)];
        [_closeButton setImage:[UIImage imageNamed:@"close_web"] forState:UIControlStateNormal];
        [_closeButton addTarget:self action:@selector(closeAction) forControlEvents:UIControlEventTouchUpInside];
    }
    return _closeButton;
}

- (UIButton *)refreshButton {
    if (!_refreshButton) {
        _refreshButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 40, 40)];
        [_refreshButton setImage:[UIImage imageNamed:@"icon_web_refresh"] forState:UIControlStateNormal];
        [_refreshButton addTarget:self action:@selector(refreshAction) forControlEvents:UIControlEventTouchUpInside];
       
        _refreshButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 40, 40)];
    }
    return _refreshButton;
}


- (void)backAction {
    NSArray *viewControllers = self.navigationController.viewControllers;
    if (viewControllers.count < 1){
        [self dismissViewControllerAnimated:YES completion:nil];
    }else {
        if (self.webView.canGoBack) {
            [self.webView goBack];
        }else{
            [self.navigationController popViewControllerAnimated:YES];
        }
    }
    
    
}
#pragma mark -----------
- (void)updateNavigationBarButtons {
    if (self.webView.canGoBack) {
        [self.navBar setCustomLeftButtons:@[self.backButton,self.closeButton]];
    }else {
        [self.navBar setCustomLeftButtons:@[self.backButton]];
    }
}
- (void)closeAction {
    [self.navigationController popViewControllerAnimated:YES];
}
- (void)refreshAction {
    
    [self.webView reload];
}
- (UIProgressView *)progressView{
    if (!_progressView) {
        _progressView = [[UIProgressView alloc]initWithProgressViewStyle:UIProgressViewStyleDefault];
        _progressView.frame = CGRectMake(0, NavBarHeight, self.view.frame.size.width, 2);
        //设置进度条的色彩
        [_progressView setTrackTintColor:[UIColor colorWithRed:240.0/255 green:240.0/255 blue:240.0/255 alpha:1.0]];
        _progressView.progressTintColor = [UIColor homeRedColor];
    }
    return _progressView;
}

//观察的移除
- (void)dealloc{
    [self.webView removeObserver:self forKeyPath:NSStringFromSelector(@selector(estimatedProgress))];
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

/**
 json字符串转字典
 */
- (NSDictionary *)dictionaryWithJsonString:(NSString *)jsonString
{
    if (jsonString == nil) {
        return nil;
    }
    
    NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
    NSError *err;
    NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:jsonData
                                                        options:NSJSONReadingMutableContainers
                                                          error:&err];
    if(err)
    {
        NSLog(@"json解析失败：%@",err);
        return nil;
    }
    return dic;
}
/**
 字典转json字符串
 */
- (NSString *)convertToJsonData:(NSDictionary *)dict

{
    
    NSError *error;
    
    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dict options:NSJSONWritingPrettyPrinted error:&error];
    
    NSString *jsonString;
    
    if (!jsonData) {
        
        NSLog(@"%@",error);
        
    }else{
        
        jsonString = [[NSString alloc]initWithData:jsonData encoding:NSUTF8StringEncoding];
        
    }
    
    NSMutableString *mutStr = [NSMutableString stringWithString:jsonString];
    
    NSRange range = {0,jsonString.length};
    
    //去掉字符串中的空格
    
    [mutStr replaceOccurrencesOfString:@" " withString:@"" options:NSLiteralSearch range:range];
    
    NSRange range2 = {0,mutStr.length};
    
    //去掉字符串中的换行符
    
    [mutStr replaceOccurrencesOfString:@"\n" withString:@"" options:NSLiteralSearch range:range2];
    
    return mutStr;
    
}

@end