cdts/xdts-ios 3/TreeHole/Code/Utility/PYWebViewController/PYWebController.m

//
//  PYWebController.m
//  youzhu
//
//  Created by 谢培艺 on 16/1/27.
//  Copyright © 2016年 iphone5solo. All rights reserved.
//

#import "PYWebController.h"
#import "YJWebProgressLayer.h"

#import "UIBarButtonItem+PYExtension.h"
#import "PYHUD.h"
#import <WebKit/WebKit.h>
#import "MTShareService.h"

@interface PYWebController () <WKNavigationDelegate>
/** 加载进度条 */
@property (nonatomic, strong) YJWebProgressLayer *webProgressLayer;
/** 网络加载失败提示 */
@property (nonatomic, strong) PYHUD *loadFailView;
/** 当前请求 */
@property (nonatomic, strong) NSURLRequest *request;

@end

@implementation PYWebController

+ (instancetype)webViewControllerWithUrl:(NSString *)url title:(NSString *)title
{
    PYWebController *vc = [[PYWebController alloc] init];
    vc.webTitle = title;
    vc.url = url;
    return vc;
}

- (PYHUD *)loadFailView
{
    if (!_loadFailView) {
        PYHUD *loadFailView = [[PYHUD alloc]initWithFrame:self.view.bounds];
        loadFailView.indicatorBackGroundColor = [UIColor clearColor];
        loadFailView.messageLabel.text = @"网络迷路了...\n快点我刷新下";
        loadFailView.backgroundColor = [UIColor whiteColor];
        loadFailView.customImage = [UIImage imageNamed:@"networkError"];
        __weak typeof(self) weakSelf = self;
        [loadFailView refreshWhenNwrworkError:^(PYHUD *hud) {
            [weakSelf.webView loadRequest:self.request];
        }];
        _loadFailView = loadFailView;
    }
    return _loadFailView;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
    // 设置UI
    [self setupUI];
}

- (void)setupUI {
    
    self.view.backgroundColor = [UIColor whiteColor];
    _webView = [[WKWebView alloc] initWithFrame:CGRectMake(0, NAVIGATION_BAR_HEIGHT, SCREEN_WIDTH, SCREEN_HEIGHT - NAVIGATION_BAR_HEIGHT)];
    _webView.navigationDelegate = self;
    _webView.backgroundColor = [UIColor whiteColor];
    self.progressColor = THEME_COLOR;
    NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:self.url]];
    self.request = request;
    [_webView loadRequest:request];
    _webProgressLayer = [[YJWebProgressLayer alloc] init];
    _webProgressLayer.frame = CGRectMake(0, self.navigationController.navigationBar.height - 2, self.view.frame.size.width, 2);
    _webProgressLayer.strokeColor = self.progressColor.CGColor;
    [self.navigationController.navigationBar.layer addSublayer:_webProgressLayer];
    [self.view addSubview:_webView];
    
    if (self.canShare) {
        self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithImage:ImageNamed(@"share") style:UIBarButtonItemStyleDone target:self action:@selector(shareDidClick)];
    }
    
    self.navigationItem.title = self.webTitle;
}

- (void)setCanShare:(BOOL)canShare
{
    _canShare = canShare;
    
    if (!canShare) {
        self.navigationItem.rightBarButtonItem = nil;
    }
}

- (void)shareDidClick
{
    if (_shareAction) {
        _shareAction();
        return;
    }
    MTShareMedia *media = [[MTShareMedia alloc] init];
    media.url = [NSURL URLWithString:@"https://wwww.qq.com"];
    media.title = @"分享标题";
    media.content = @"这个是分享的内容";
    [MTService(MTShareService) showShareToolBarWithMedia:media];
}

- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    
    _webProgressLayer.hidden = NO;
}

- (void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
    
    _webProgressLayer.hidden = YES;
}

#pragma mark - UIWebViewDelegate
- (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation {
    [self.loadFailView hide];
    [_webProgressLayer startLoad];
}

- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation {
    [_webProgressLayer finishedLoadWithError:nil];
}

- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(WKNavigation *)navigation withError:(NSError *)error {
    [_webProgressLayer finishedLoadWithError:error];
    // 网络加载异常
    [self.loadFailView showAtView:self.webView hudType:JHUDLoadingTypeCustomAnimations];
}

- (void)dealloc {
    [_webProgressLayer closeTimer];
    [_webProgressLayer removeFromSuperlayer];
    _webProgressLayer = nil;
}

@end