chore: import upstream snapshot with attribution
This commit is contained in:
wehub-resource-sync
@@ -0,0 +1,36 @@
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//
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// TLWebViewController.h
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// TLChat
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//
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// Created by 李伯坤 on 16/2/10.
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// Copyright © 2016年 李伯坤. All rights reserved.
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//
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#import <UIKit/UIKit.h>
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#import <WebKit/WebKit.h>
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@interface TLWebViewController : UIViewController <WKNavigationDelegate, WKUIDelegate>
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/// 是否使用网页标题作为nav标题，默认YES
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@property (nonatomic, assign) BOOL useMPageTitleAsNavTitle;
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/// 是否显示加载进度，默认YES
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@property (nonatomic, assign) BOOL showLoadingProgress;
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/// 是否禁止历史记录，默认NO
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@property (nonatomic, assign) BOOL disableBackButton;
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/// 是否显示网页的来源信息，默认YES
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@property (nonatomic, assign) BOOL showPageInfo;
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@property (nonatomic, strong) NSString *url;
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- (id)initWithUrl:(NSString *)urlString;
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- (id)initWithRequest:(NSURLRequest *)request;
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- (void)loadRequest:(NSURLRequest *)request;
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- (void)loadHTMLString:(NSString *)string baseURL:(NSURL *)baseURL;
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@end
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@@ -0,0 +1,336 @@
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//
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// TLWebViewController.m
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// TLChat
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//
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// Created by 李伯坤 on 16/2/10.
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// Copyright © 2016年 李伯坤. All rights reserved.
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//
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#import "TLWebViewController.h"
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#import "UIBarButtonItem+Back.h"
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#import "WKWebView+Post.h"
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#define WEBVIEW_NAVBAR_ITEMS_FIXED_SPACE 9
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@interface TLWebViewController ()
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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) UIBarButtonItem *backButtonItem;
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@property (nonatomic, strong) UIBarButtonItem *closeButtonItem;
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@property (nonatomic, strong) UILabel *authLabel;
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@end
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@implementation TLWebViewController
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- (id)init
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{
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if (self = [super init]) {
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self.useMPageTitleAsNavTitle = YES;
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self.showLoadingProgress = YES;
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self.showPageInfo = YES;
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}
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return self;
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}
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- (id)initWithUrl:(NSString *)urlString
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{
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if (self = [self init]) {
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[self setUrl:urlString];
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}
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return self;
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}
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- (id)initWithRequest:(NSURLRequest *)request
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{
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if (self = [super init]) {
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[self loadRequest:request];
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}
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return self;
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}
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- (void)loadView
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{
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[super loadView];
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[self.view addSubview:self.authLabel];
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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)viewDidLoad
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{
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[super viewDidLoad];
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[self.view setBackgroundColor:RGBAColor(46.0, 49.0, 50.0, 1.0)];
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[self.webView.scrollView setBackgroundColor:[UIColor clearColor]];
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for (id vc in self.webView.scrollView.subviews) {
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NSString *className = NSStringFromClass([vc class]);
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if ([className isEqualToString:@"WKContentView"]) {
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[vc setBackgroundColor:[UIColor whiteColor]];
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break;
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}
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}
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[self.webView addObserver:self forKeyPath:@"estimatedProgress" options:NSKeyValueObservingOptionNew context:NULL];
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[self.webView.scrollView addObserver:self forKeyPath:@"backgroundColor" options:NSKeyValueObservingOptionNew context:NULL];
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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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[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
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}
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- (void)dealloc
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{
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[self.webView removeObserver:self forKeyPath:@"estimatedProgress"];
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[self.webView.scrollView removeObserver:self forKeyPath:@"backgroundColor"];
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#ifdef DEBUG_MEMERY
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NSLog(@"dealloc WebVC");
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#endif
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}
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- (void)viewWillLayoutSubviews
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{
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[super viewWillLayoutSubviews];
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CGFloat statusBarHeight = [UIApplication sharedApplication].statusBarFrame.size.height;
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CGFloat navBarHeight = self.navigationController.navigationBar.frame.size.height;
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CGFloat width = self.view.bounds.size.width;
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[self.progressView setY:statusBarHeight + navBarHeight];
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[self.authLabel setFrame:CGRectMake(20, statusBarHeight + navBarHeight + 13, width - 40, self.authLabel.frame.size.height)];
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}
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#pragma mark - # Public Methods
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- (void)setUrl:(NSString *)url
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{
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if (_url && url && [_url isEqualToString:url]) {
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return;
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}
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_url = url;
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[self.progressView setProgress:0.0f];
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[self.webView loadRequest:[NSURLRequest requestWithURL:TLURL(self.url)]];
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}
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- (void)setShowLoadingProgress:(BOOL)showLoadingProgress
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{
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_showLoadingProgress = showLoadingProgress;
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[self.progressView setHidden:!showLoadingProgress];
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}
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- (void)loadRequest:(NSURLRequest *)request
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{
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[self.webView loadRequest:request];
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}
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- (void)loadHTMLString:(NSString *)string baseURL:(NSURL *)baseURL
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{
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if (string) {
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[self.webView loadHTMLString:string baseURL:baseURL];
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}
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}
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#pragma mark - # Delegate
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//MARK: WKNavigationDelegate
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// 开始加载页面
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- (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation
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{
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[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:YES];
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}
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// 开始返回页面内容
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- (void)webView:(WKWebView *)webView didCommitNavigation:(WKNavigation *)navigation
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{
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if (webView.canGoBack) {
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[self.navigationItem setLeftBarButtonItems:@[[UIBarButtonItem fixItemSpace:-WEBVIEW_NAVBAR_ITEMS_FIXED_SPACE], self.backButtonItem, self.closeButtonItem]];
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}
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}
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// 加载完成
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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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if (self.useMPageTitleAsNavTitle) {
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[self.navigationItem setTitle:webView.title];
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}
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if (self.showPageInfo) {
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if (webView.URL.host.length > 0) {
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[self.authLabel setText:[NSString stringWithFormat:@"网页由 %@ 提供", webView.URL.host]];
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}
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else {
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[self.authLabel setText:@""];
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}
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[self.authLabel setHeight:[self.authLabel sizeThatFits:CGSizeMake(self.authLabel.width, MAXFLOAT)].height];
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}
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}
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// 加载失败
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- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(WKNavigation *)navigation withError:(NSError *)error
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{
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[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
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[TLUIUtility showAlertWithTitle:nil message:[error description]];
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}
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// 页面跳转处理
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// 接收到服务器跳转请求之后调用
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- (void)webView:(WKWebView *)webView didReceiveServerRedirectForProvisionalNavigation:(WKNavigation *)navigation
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{
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}
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// 在收到响应后，决定是否跳转
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- (void)webView:(WKWebView *)webView decidePolicyForNavigationResponse:(WKNavigationResponse *)navigationResponse decisionHandler:(void (^)(WKNavigationResponsePolicy))decisionHandler
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{
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decisionHandler(WKNavigationResponsePolicyAllow);
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}
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// 在发送请求之前，决定是否跳转
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- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler
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{
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NSString *urlString = navigationAction.request.URL.absoluteString;
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if ([urlString hasPrefix:@"itms-apps://itunes.apple.com"]
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|| [urlString hasPrefix:@"https://itunes.apple.com"]
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|| [urlString hasPrefix:@"itms-services:"]
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|| [urlString hasPrefix:@"tel:"]
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|| [urlString hasPrefix:@"mailto:"]
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|| [urlString hasPrefix:@"mqqwpa:"]) {
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[[UIApplication sharedApplication] openURL:navigationAction.request.URL];
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decisionHandler(WKNavigationActionPolicyCancel);
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}
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else {
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decisionHandler(WKNavigationActionPolicyAllow);
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}
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}
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//MARK: WKUIDelegate
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// web界面中有弹出警告框
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- (void)webView:(WKWebView *)webView runJavaScriptAlertPanelWithMessage:(nonnull NSString *)message initiatedByFrame:(nonnull WKFrameInfo *)frame completionHandler:(nonnull void (^)(void))completionHandler
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{
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:message message:nil preferredStyle:UIAlertControllerStyleAlert];
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[alertController addAction:[UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleCancel handler:^(UIAlertAction *action) {
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completionHandler();
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}]];
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[self presentViewController:alertController animated:YES completion:^{}];
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}
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// web界面中有确认框
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- (void)webView:(WKWebView *)webView runJavaScriptConfirmPanelWithMessage:(nonnull NSString *)message initiatedByFrame:(nonnull WKFrameInfo *)frame completionHandler:(nonnull void (^)(BOOL))completionHandler
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{
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:message
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message:nil
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preferredStyle:UIAlertControllerStyleAlert];
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[alertController addAction:[UIAlertAction actionWithTitle:@"确定"
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style:UIAlertActionStyleDefault
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handler:^(UIAlertAction *action) {
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completionHandler(YES);
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}]];
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[alertController addAction:[UIAlertAction actionWithTitle:@"取消"
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style:UIAlertActionStyleCancel
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handler:^(UIAlertAction *action){
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completionHandler(NO);
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}]];
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[self presentViewController:alertController animated:YES completion:^{}];
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}
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// web界面中有弹出输入框
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- (void)webView:(WKWebView *)webView runJavaScriptTextInputPanelWithPrompt:(nonnull NSString *)prompt defaultText:(nullable NSString *)defaultText initiatedByFrame:(nonnull WKFrameInfo *)frame completionHandler:(nonnull void (^)(NSString * _Nullable))completionHandler {
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completionHandler(@"Client Not handler");
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}
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#pragma mark - # Event Response
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- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
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if (self.showLoadingProgress && [keyPath isEqualToString:@"estimatedProgress"] && object == self.webView) {
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[self.progressView setAlpha:1.0f];
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[self.progressView setProgress:self.webView.estimatedProgress animated:YES];
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if(self.webView.estimatedProgress >= 1.0f) {
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[UIView animateWithDuration:0.3 delay:0.3 options:UIViewAnimationOptionCurveEaseOut animations:^{
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[self.progressView setAlpha:0.0f];
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} completion:^(BOOL finished) {
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[self.progressView setProgress:0.0f animated:NO];
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}];
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}
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}
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else if ([keyPath isEqualToString:@"backgroundColor"] && object == self.webView.scrollView) {
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UIColor *color = [change objectForKey:@"new"];
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if (!CGColorEqualToColor(color.CGColor, [UIColor clearColor].CGColor)) {
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[object setBackgroundColor:[UIColor clearColor]];
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}
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}
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}
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- (void)navBackButotnDown
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{
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if (self.webView.canGoBack) {
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[self.webView goBack];
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}
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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)navCloseButtonDown
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{
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[self.navigationController popViewControllerAnimated:YES];
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}
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#pragma mark - # Getters
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- (WKWebView *)webView
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{
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if (_webView == nil) {
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_webView = [[WKWebView alloc] initWithFrame:CGRectMake(0, STATUSBAR_HEIGHT + NAVBAR_HEIGHT, SCREEN_WIDTH, SCREEN_HEIGHT - STATUSBAR_HEIGHT - NAVBAR_HEIGHT)];
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[_webView setAllowsBackForwardNavigationGestures:YES];
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[_webView setNavigationDelegate:self];
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[_webView setUIDelegate:self];
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[_webView setAutoresizingMask:UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight];
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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 == nil) {
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_progressView = [[UIProgressView alloc] initWithFrame:CGRectMake(0, NAVBAR_HEIGHT + STATUSBAR_HEIGHT, SCREEN_WIDTH, 10.0f)];
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[_progressView setTransform:CGAffineTransformMakeScale(1.0f, 2.0f)];
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[_progressView setProgressTintColor:RGBAColor(2.0, 187.0, 0.0, 1.0f)];
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[_progressView setTrackTintColor:[UIColor clearColor]];
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[_progressView setProgress:0];
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}
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return _progressView;
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}
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- (UIBarButtonItem *)backButtonItem
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{
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if (_backButtonItem == nil) {
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_backButtonItem = [[UIBarButtonItem alloc] initWithBackTitle:@"返回" target:self action:@selector(navBackButotnDown)];
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}
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return _backButtonItem;
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}
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- (UIBarButtonItem *)closeButtonItem
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{
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if (_closeButtonItem == nil) {
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_closeButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"关闭" style:UIBarButtonItemStylePlain target:self action:@selector(navCloseButtonDown)];
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}
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return _closeButtonItem;
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}
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- (UILabel *)authLabel
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{
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if (_authLabel == nil) {
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_authLabel = [[UILabel alloc] init];
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[_authLabel setFont:[UIFont systemFontOfSize:12.0f]];
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[_authLabel setTextAlignment:NSTextAlignmentCenter];
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[_authLabel setTextColor:[UIColor grayColor]];
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[_authLabel setNumberOfLines:0];
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}
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return _authLabel;
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}
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@end
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@@ -0,0 +1,15 @@
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//
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// UIBarButtonItem+Back.h
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// TLChat
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//
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// Created by 李伯坤 on 2017/9/13.
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// Copyright © 2017年 李伯坤. All rights reserved.
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//
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#import <UIKit/UIKit.h>
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@interface UIBarButtonItem (Back)
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- (id)initWithBackTitle:(NSString *)title target:(id)target action:(SEL)action;
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@end
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@@ -0,0 +1,35 @@
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//
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// UIBarButtonItem+Back.m
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// TLChat
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//
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// Created by 李伯坤 on 2017/9/13.
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// Copyright © 2017年 李伯坤. All rights reserved.
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//
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#import "UIBarButtonItem+Back.h"
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@implementation UIBarButtonItem (Back)
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- (id)initWithBackTitle:(NSString *)title target:(id)target action:(SEL)action
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{
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UIButton *view = [[UIButton alloc] init];
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[view addTarget:target action:action forControlEvents:UIControlEventTouchUpInside];
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UIImageView *imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"nav_back"]];
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[view addSubview:imageView];
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UILabel *label = [[UILabel alloc] init];
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[label setText:title];
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[label setTextColor:[UIColor whiteColor]];
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[view addSubview:label];
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if (self = [self initWithCustomView:view]) {
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[imageView setFrame:CGRectMake(0, 0, 17, 34)];
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CGSize size = [label sizeThatFits:CGSizeMake(MAXFLOAT, MAXFLOAT)];
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[label setFrame:CGRectMake(17, 0, size.width, 34)];
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[view setFrame:CGRectMake(0, 0, label.frame.origin.x + label.frame.size.width, 34)];
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}
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return self;
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}
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@end
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+14
@@ -0,0 +1,14 @@
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//
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// WKWebView+Post.h
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// TLChat
|
||||
//
|
||||
// Created by 李伯坤 on 17/9/10.
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// Copyright © 2017年 李伯坤. All rights reserved.
|
||||
//
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#import <WebKit/WebKit.h>
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@interface WKWebView (Post)
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@end
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+77
@@ -0,0 +1,77 @@
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//
|
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// WKWebView+Post.m
|
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// TLChat
|
||||
//
|
||||
// Created by 李伯坤 on 17/9/10.
|
||||
// Copyright © 2017年 李伯坤. All rights reserved.
|
||||
//
|
||||
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#import "WKWebView+Post.h"
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#import <objc/runtime.h>
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|
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@implementation WKWebView (Post)
|
||||
|
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+ (void)load
|
||||
{
|
||||
Class class = [self class];
|
||||
SEL originalSelector = @selector(loadRequest:);
|
||||
SEL swizzledSelector = @selector(post_loadRequest:);
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||||
Method originalMethod = class_getInstanceMethod(class, originalSelector);
|
||||
Method swizzledMethod = class_getInstanceMethod(class, swizzledSelector);
|
||||
BOOL success = class_addMethod(class, originalSelector, method_getImplementation(swizzledMethod), method_getTypeEncoding(swizzledMethod));
|
||||
if (success) {
|
||||
class_replaceMethod(class, swizzledSelector, method_getImplementation(originalMethod), method_getTypeEncoding(originalMethod));
|
||||
}
|
||||
else {
|
||||
method_exchangeImplementations(originalMethod, swizzledMethod);
|
||||
}
|
||||
}
|
||||
|
||||
- (WKNavigation *)post_loadRequest:(NSURLRequest *)request
|
||||
{
|
||||
if ([[request.HTTPMethod uppercaseString] isEqualToString:@"POST"]){
|
||||
NSString *url = request.URL.absoluteString;
|
||||
NSString *params = [[NSString alloc] initWithData:request.HTTPBody encoding:NSUTF8StringEncoding];
|
||||
if ([params containsString:@"="]) {
|
||||
params = [params stringByReplacingOccurrencesOfString:@"=" withString:@"\":\""];
|
||||
params = [params stringByReplacingOccurrencesOfString:@"&" withString:@"\",\""];
|
||||
params = [NSString stringWithFormat:@"{\"%@\"}", params];
|
||||
}
|
||||
else {
|
||||
params = @"{}";
|
||||
}
|
||||
NSString *postJavaScript = [NSString stringWithFormat:@"\
|
||||
var url = '%@';\
|
||||
var params = %@;\
|
||||
var form = document.createElement('form');\
|
||||
form.setAttribute('method', 'post');\
|
||||
form.setAttribute('action', url);\
|
||||
for(var key in params) {\
|
||||
if(params.hasOwnProperty(key)) {\
|
||||
var hiddenField = document.createElement('input');\
|
||||
hiddenField.setAttribute('type', 'hidden');\
|
||||
hiddenField.setAttribute('name', key);\
|
||||
hiddenField.setAttribute('value', params[key]);\
|
||||
form.appendChild(hiddenField);\
|
||||
}\
|
||||
}\
|
||||
document.body.appendChild(form);\
|
||||
form.submit();", url, params];
|
||||
__weak typeof(self) wself = self;
|
||||
[self evaluateJavaScript:postJavaScript completionHandler:^(id object, NSError * _Nullable error) {
|
||||
if (error && [wself.navigationDelegate respondsToSelector:@selector(webView:didFailProvisionalNavigation:withError:)]) {
|
||||
dispatch_async(dispatch_get_main_queue(), ^{
|
||||
[wself.navigationDelegate webView:wself didFailProvisionalNavigation:nil withError:error];
|
||||
});
|
||||
}
|
||||
}];
|
||||
}
|
||||
else {
|
||||
return [self post_loadRequest:request];
|
||||
}
|
||||
|
||||
return nil;
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
Reference in New Issue
Block a user