PrivateBoxiOS/创维盒子/双子星云手机/Class/Set/previewFile/videoPlayViewController.m

//
//  videoPlayViewController.m
//  双子星云手机
//
//  Created by xd h on 2024/5/21.
//

#import "videoPlayViewController.h"
#import <WebKit/WebKit.h>

#import  <AVFoundation/AVFoundation.h>

#import "TBPlayer.h"

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

@property (nonatomic, strong) WKWebView *curWKWebView;
@property (nonatomic, strong)AVPlayer*player;
@end

@implementation videoPlayViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    [self.toolBar setHidden:YES];
    [self.navigationBar setHidden:YES];
    [self.navBarBGView setHidden:NO];
    //self.navBarBGView.backgroundColor = [UIColor whiteColor];
    [self.view setBackgroundColor:[UIColor whiteColor]];
    
    //[self setUpVideoPlayer];
    
    
}

#pragma mark ---播放器
- (void)setUpVideoPlayer {
    //创建网页配置对象
     WKWebViewConfiguration *config = [[WKWebViewConfiguration alloc] init];
     
     // 是使用h5的视频播放器在线播放, 还是使用原生播放器全屏播放
     //config.allowsInlineMediaPlayback = YES;
     //设置视频是否需要用户手动播放  设置为NO则会允许自动播放
     config.mediaTypesRequiringUserActionForPlayback = NO;
     //设置是否允许画中画技术 在特定设备上有效
     config.allowsPictureInPictureMediaPlayback = NO;
    
     //设置请求的User-Agent信息中应用程序名称 iOS9后可用
     //config.applicationNameForUserAgent = @"ChinaDailyForiPad";
      //自定义的WKScriptMessageHandler 是为了解决内存不释放的问题
//      WeakWebViewScriptMessageDelegate *weakScriptMessageDelegate = [[WeakWebViewScriptMessageDelegate alloc] initWithDelegate:self];
     
    
    //这个类主要用来做native与JavaScript的交互管理
    // 注入js 解决进入播放就横屏问题
    WKUserContentController *content = [[WKUserContentController alloc]init];

    //1解决解决进入播放就横屏问题
    NSString *jSString = @"document.getElementsByTagName('video')[0].setAttribute('playsinline','playsinline');";
    WKUserScript *wkUserScript = [[WKUserScript alloc] initWithSource:jSString injectionTime:WKUserScriptInjectionTimeAtDocumentEnd forMainFrameOnly:YES];
    [content addUserScript:wkUserScript];
    
    
    //2，暂停播放监听
    NSString *PausePlayListenerjSString = @"document.getElementsByTagName('video')[0].addEventListener('pause', function(e) {window.webkit.messageHandlers.pause.postMessage(\"pause\");})";
    WKUserScript *PausePlayListenerwkUScript = [[WKUserScript alloc] initWithSource:PausePlayListenerjSString injectionTime:WKUserScriptInjectionTimeAtDocumentEnd forMainFrameOnly:YES];
    [content addUserScript:PausePlayListenerwkUScript];
    
    //3，继续播放监听
    NSString *ContinuePlayingListenerjSString = @"document.getElementsByTagName('video')[0].addEventListener('play', function(e) {window.webkit.messageHandlers.play.postMessage(\"play\");})";
    WKUserScript *ContinuePlayingListenerwkUScript = [[WKUserScript alloc] initWithSource:ContinuePlayingListenerjSString injectionTime:WKUserScriptInjectionTimeAtDocumentEnd forMainFrameOnly:YES];
    [content addUserScript:ContinuePlayingListenerwkUScript];
    
    //4，播放结束监听
    NSString *EndOfPlayListenerjSString = @"document.getElementsByTagName('video')[0].addEventListener('ended', function(e) {window.webkit.messageHandlers.ended.postMessage(\"ended\");})";
    WKUserScript *EndOfPlayListenerwkUScript = [[WKUserScript alloc] initWithSource:EndOfPlayListenerjSString injectionTime:WKUserScriptInjectionTimeAtDocumentEnd forMainFrameOnly:YES];
    [content addUserScript:EndOfPlayListenerwkUScript];

    //添加一个协议
    [content addScriptMessageHandler:self name:@"play"];
    [content addScriptMessageHandler:self name:@"pause"];
    [content addScriptMessageHandler:self name:@"ended"];

    //5，暂停播放播放
    NSString *pauseJS = @"var videos = document.getElementsByTagName(\"video\");\
    function pauseVideo(){videos[0].pause();}\
    function playVideo(){videos[0].play();}";
    
    WKUserScript *PausePlaywkUScript = [[WKUserScript alloc] initWithSource:pauseJS injectionTime:WKUserScriptInjectionTimeAtDocumentStart forMainFrameOnly:YES];
    [content addUserScript:PausePlaywkUScript];
   
    
    config.userContentController= content;
    
    _curWKWebView = [[WKWebView alloc] initWithFrame:CGRectMake(0, 0, SCREEN_W, SCREEN_H) configuration:config];
    // UI代理
    _curWKWebView.UIDelegate = self;
    // 导航代理
    _curWKWebView.navigationDelegate = self;

    [self.view addSubview:_curWKWebView];
    
}

- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    
    [self beginPlayVideoFun];
}

- (void)beginPlayVideoFun
{
    NSString *filePath = _VideoDataMode.path;
    
    NSString *urlStr = ksharedAppDelegate.NASFileService;
    NSString *fileUrl = [[NSString alloc] initWithFormat:@"%@getFile?path=%@",urlStr,filePath];
    fileUrl = [fileUrl  stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    
    NSURL * sourceMovieURL= [NSURL URLWithString:fileUrl];
    
    // 根据URL创建请求
//    NSURLRequest *request = [NSURLRequest requestWithURL:sourceMovieURL];
//    [_curWKWebView loadRequest:request];
    
    //111111111
    NSURL *videoUrl = sourceMovieURL;
    AVAsset *asset = [AVAsset assetWithURL:videoUrl];
    AVPlayerItem*videoItem = [AVPlayerItem playerItemWithAsset:asset]; // 视频资源信息 M
    _player = [AVPlayer playerWithPlayerItem:videoItem]; // 视频控制播放层 C
    AVPlayerLayer*playerLayer = [[AVPlayerLayer alloc]init]; // 视频展示层 V
    playerLayer.player = _player;
    playerLayer.frame = CGRectMake(0, 0, self.view.bounds.size.width, self.view.bounds.size.height);
    [self.view.layer addSublayer:playerLayer]; // 添加到父视图的layer层

    // 监听视频状态
    [videoItem addObserver:self forKeyPath:@"status" options:NSKeyValueObservingOptionNew context:@"item.status"];
    // 监听缓冲进度
    [videoItem addObserver:self forKeyPath:@"loadedTimeRanges" options:NSKeyValueObservingOptionNew context:@"item.loaded"];
     //获取播放进度
    [_player addPeriodicTimeObserverForInterval:CMTimeMake(1, 1) queue:dispatch_get_main_queue() usingBlock:^(CMTime time) {
        float startSeconds =  CMTimeGetSeconds(time); // 已经播放的秒数
        HLog(@"22222 %f",startSeconds);
    }];
    
    // 接收播放完成通知
    //[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handlePlayEnd) name:AVPlayerItemDidPlayToEndTimeNotification object:nil];


}


#pragma mark 事件代理
// 页面开始加载时调用
-(void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation{
    
}
// 当内容开始返回时调用
- (void)webView:(WKWebView *)webView didCommitNavigation:(WKNavigation *)navigation{
    
}
// 页面加载完成之后调用
- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation{//这里修改导航栏的标题，动态改变
    
   
    
}
// 页面加载失败时调用
- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(WKNavigation *)navigation{

    
}
// 接收到服务器跳转请求之后再执行
- (void)webView:(WKWebView *)webView didReceiveServerRedirectForProvisionalNavigation:(WKNavigation *)navigation{
    
}
// 在收到响应后，决定是否跳转
- (void)webView:(WKWebView *)webView decidePolicyForNavigationResponse:(WKNavigationResponse *)navigationResponse decisionHandler:(void (^)(WKNavigationResponsePolicy))decisionHandler{
    
    HLog(@"%@",webView);
    HLog(@"%@",navigationResponse);
    
    WKNavigationResponsePolicy actionPolicy = WKNavigationResponsePolicyAllow;
    //这句是必须加上的，不然会异常
    decisionHandler(actionPolicy);
    
}
// 在发送请求之前，决定是否跳转
- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler{
    
    HLog(@"URL=======%@", navigationAction.request.URL);
    HLog(@"URL.scheme=======%@", navigationAction.request.URL.scheme);
    
    
    WKNavigationActionPolicy actionPolicy = WKNavigationActionPolicyAllow;
    
    if (navigationAction.targetFrame == nil) {

        [webView loadRequest:navigationAction.request];

    }
    if (navigationAction.navigationType==WKNavigationTypeBackForward) {//判断是返回类型
        
        
    }
    //这句是必须加上的，不然会异常
    decisionHandler(actionPolicy);
    
    //NSString *url = navigationAction.request.URL.absoluteString;

}


#pragma mark - WKScriptMessageHandler
- (void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message {
    HLog(@"%@",NSStringFromSelector(_cmd));
    HLog(@"%@",message);
    HLog(@"%@",message.body);
    HLog(@"%@",message.name);

    NSString *jsonStr = message.body;  //
    HLog(@"%@",jsonStr);
    
 
    KWeakSelf
    if ([message.name caseInsensitiveCompare:@"play"] == NSOrderedSame) {
        NSLog(@"video is play");
    }
    else if ([message.name caseInsensitiveCompare:@"pause"] == NSOrderedSame) {
        NSLog(@"video is pause");
    }
    else if ([message.name caseInsensitiveCompare:@"ended"] == NSOrderedSame) {
        NSLog(@"video is ended");
        [weakSelf playVideo];
    }

    
}


#pragma mark 原生调用JS暂停
- (void)pausePlay
{
    [_curWKWebView evaluateJavaScript:@"pauseVideo()" completionHandler:^(id _Nullable response, NSError * _Nullable error) {
      NSLog(@"response:%@,error:%@",response,error);
    }];
}

- (void)playVideo
{
    [_curWKWebView evaluateJavaScript:@"playVideo()" completionHandler:^(id _Nullable response, NSError * _Nullable error) {
      NSLog(@"response:%@,error:%@",response,error);
    }];
}




//通过KVO来观察status属性的变化，来获得播放之前的错误信息
         
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSKeyValueChangeKey,id> *)change context:(void *)context
{
    if ([keyPath isEqualToString:@"status"]) {
        AVPlayerStatus status = [change[NSKeyValueChangeNewKey] intValue];
        switch (status) {
            case AVPlayerStatusFailed:
            {
                NSError *error = self.player.currentItem.error;
                NSLog(@"url有误：%@",error);
            }
                break;
            case AVPlayerStatusReadyToPlay:
            {
                NSLog(@"准备好播放了");
            }
                break;
            case AVPlayerStatusUnknown:
            {
                NSLog(@"视频资源出现未知错误");
            }
                break;
            default:
                break;
        }
    }
}

@end