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zhangxiaowen
1 parent 1db03f45
Showing 4 changed files with 258 additions and 0 deletions
CNLiveCustomControl.podspec
CNLiveCustomControl/Classes/CNLiveCustomControl.h
CNLiveCustomControl/Classes/WebView/CNLiveWebView.h
CNLiveCustomControl/Classes/WebView/CNLiveWebView.m
@@ -48,6 +48,11 @@ TODO: 网家家-自定义控件.
     ss.dependency 'CNLiveCategory'
   end
+  s.subspec 'WebView' do |ss|
+    ss.source_files = 'CNLiveCustomControl/Classes/WebView/*'
+    ss.dependency 'CNLiveTripartiteManagement/QMUIKit'
+  end
+  
   # s.resource_bundles = {
   #   'CNLiveCustomControl' => ['CNLiveCustomControl/Assets/*.png']
   # }
@@ -15,5 +15,7 @@
 //NavigationBar
 #import "CNLiveNavigationBar.h"
+//WebView
+#import "CNLiveWebView.h"
 #endif /* CNLiveCustomControl_h */
+//
+//  CNLiveWebView.h
+//  CNLiveBaseClass
+//
+//  Created by CNLive-zxw on 2019/9/12.
+//  Copyright © 2019 153993236@qq.com. All rights reserved.
+//
+
+/*
+ * 自定义WebView
+ */
+
+#import <UIKit/UIKit.h>
+#import <WebKit/WebKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+@class CNLiveWebView;
+
+@protocol CNLiveWebViewDelegate <NSObject>
+@optional
+/** 页面开始加载时调用 */
+- (void)webViewDidStartLoad:(CNLiveWebView *)webView;
+/** 内容开始返回时调用 */
+- (void)webView:(CNLiveWebView *)webView didCommitWithURL:(NSURL *)url;
+/** 页面加载失败时调用 */
+- (void)webView:(CNLiveWebView *)webView didFinishLoadWithURL:(NSURL *)url;
+/** 页面加载完成之后调用 */
+- (void)webView:(CNLiveWebView *)webView didFailLoadWithError:(NSError *)error;
+
+@end
+
+@interface CNLiveWebView : UIView
+@property (nonatomic, strong) WKWebView *wkWebView;
+@property (nonatomic, strong) UIProgressView *progressView;
+
+/** CNLiveWebViewDelegate */
+@property (nonatomic, weak) id<CNLiveWebViewDelegate> delegate;
+/** 进度条颜色(默认蓝色) */
+@property (nonatomic, strong) UIColor *progressViewColor;
+/** 导航栏标题 */
+@property (nonatomic, copy) NSString *title;
+
+@property (nonatomic, readonly) BOOL canGoBack;
+/** 向后 */
+- (nullable WKNavigation *)goBack;
+
+@property (nonatomic, readonly) BOOL canGoForward;
+/** 向前 */
+- (nullable WKNavigation *)goForward;
+/** 刷新数据 */
+- (void)reloadData;
+
+/** 类方法创建 XWWebView */
++ (instancetype)webViewWithFrame:(CGRect)frame;
+/** 加载 web */
+- (void)loadRequest:(NSURLRequest *)request;
+/** 加载 HTML */
+- (void)loadHTMLString:(NSString *)HTMLString;
+
+@end
+NS_ASSUME_NONNULL_END
+//
+//  CNLiveWebView.h
+//  CNLiveBaseClass
+//
+//  Created by CNLive-zxw on 2019/9/12.
+//  Copyright © 2019 153993236@qq.com. All rights reserved.
+//
+
+#import "CNLiveWebView.h"
+#import "QMUIKit.h"
+
+@interface CNLiveWebView () <WKNavigationDelegate, WKUIDelegate>
+
+@end
+
+@implementation CNLiveWebView
+static CGFloat const progressViewHeight = 1;
+
+#pragma mark - 初始化
+- (instancetype)initWithFrame:(CGRect)frame {
+    if (self = [super initWithFrame:frame]) {
+        if (@available(iOS 11, *)) {
+             self.wkWebView.scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentAutomatic;
+         }
+        [self addSubview:self.progressView];
+        [self addSubview:self.wkWebView];
+    }
+    return self;
+}
+
++ (instancetype)webViewWithFrame:(CGRect)frame {
+    return [[self alloc] initWithFrame:frame];
+}
+
+// dealloc
+- (void)dealloc {
+    [_wkWebView stopLoading];
+    [_wkWebView removeObserver:self forKeyPath:NSStringFromSelector(@selector(estimatedProgress))];
+    _wkWebView.navigationDelegate = nil;
+    _wkWebView = nil;
+}
+
+#pragma mark - Setter方法
+- (void)setProgressViewColor:(UIColor *)progressViewColor {
+    _progressViewColor = progressViewColor;
+    if (progressViewColor) {
+        _progressView.tintColor = progressViewColor;
+    }
+}
+
+#pragma mark - Getter方法
+- (BOOL)canGoBack{
+    return self.wkWebView.goBack;
+}
+
+- (BOOL)canGoForward{
+    return self.wkWebView.canGoForward;
+}
+
+#pragma mark - 工具方法
+// 向后
+- (nullable WKNavigation *)goBack{
+    return [self.wkWebView goBack];
+}
+// 向前
+- (nullable WKNavigation *)goForward{
+    return [self.wkWebView goForward];
+}
+// 刷新数据
+- (void)reloadData {
+    [self.wkWebView reload];
+}
+// 加载 web
+- (void)loadRequest:(NSURLRequest *)request {
+    [self.wkWebView loadRequest:request];
+}
+// 加载 HTML
+- (void)loadHTMLString:(NSString *)HTMLString {
+    [self.wkWebView loadHTMLString:HTMLString baseURL:nil];
+}
+
+#pragma mark - KVO
+- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSKeyValueChangeKey,id> *)change context:(void *)context {
+    if ([keyPath isEqualToString:NSStringFromSelector(@selector(estimatedProgress))] && object == self.wkWebView) {
+        self.progressView.alpha = 1.0;
+        BOOL animated = self.wkWebView.estimatedProgress > self.progressView.progress;
+        [self.progressView setProgress:self.wkWebView.estimatedProgress animated:animated];
+        if(self.wkWebView.estimatedProgress >= 0.97) {
+            [UIView animateWithDuration:0.1 delay:0.3 options:UIViewAnimationOptionCurveEaseOut animations:^{
+                self.progressView.alpha = 0.0;
+            } completion:^(BOOL finished) {
+                [self.progressView setProgress:0.0 animated:NO];
+            }];
+        }
+    } else {
+        [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
+    }
+}
+
+#pragma mark - WKNavigationDelegate
+// 在发送请求之前，决定是否跳转
+- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler{
+    //允许跳转
+    decisionHandler(WKNavigationActionPolicyAllow);
+}
+// 在收到响应后，决定是否跳转
+- (void)webView:(WKWebView *)webView decidePolicyForNavigationResponse:(WKNavigationResponse *)navigationResponse decisionHandler:(void (^)(WKNavigationResponsePolicy))decisionHandler{
+    //允许跳转
+    decisionHandler(WKNavigationResponsePolicyAllow);
+    //不允许跳转
+    //decisionHandler(WKNavigationResponsePolicyCancel);
+}
+// 页面开始加载时调用
+- (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation {
+    if (self.delegate && [self.delegate respondsToSelector:@selector(webViewDidStartLoad:)]) {
+        [self.delegate webViewDidStartLoad:self];
+    }
+}
+// 当内容开始返回时调用
+- (void)webView:(WKWebView *)webView didCommitNavigation:(WKNavigation *)navigation {
+    if (self.delegate && [self.delegate respondsToSelector:@selector(webView:didCommitWithURL:)]) {
+        [self.delegate webView:self didCommitWithURL:self.wkWebView.URL];
+    }
+}
+// 页面加载完成之后调用
+- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation {
+    if(!self.title){
+        self.title = self.wkWebView.title;
+    }
+    if (self.delegate && [self.delegate respondsToSelector:@selector(webView:didFinishLoadWithURL:)]) {
+        [self.delegate webView:self didFinishLoadWithURL:self.wkWebView.URL];
+    }
+    self.progressView.alpha = 0.0;
+}
+// 页面加载失败时调用
+- (void)webView:(WKWebView *)webView didFailNavigation:(WKNavigation *)navigation withError:(NSError *)error {
+    if (self.delegate && [self.delegate respondsToSelector:@selector(webView:didFailLoadWithError:)]) {
+        [self.delegate webView:self didFailLoadWithError:error];
+    }
+    self.progressView.alpha = 0.0;
+}
+// 页面加载失败时调用
+- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(null_unspecified WKNavigation *)navigation withError:(nonnull NSError *)error{
+    if (self.delegate && [self.delegate respondsToSelector:@selector(webView:didFailLoadWithError:)]) {
+         [self.delegate webView:self didFailLoadWithError:error];
+     }
+     self.progressView.alpha = 0.0;
+}
+// 接收到服务器跳转请求之后调用(重定向)
+- (void)webView:(WKWebView *)webView didReceiveServerRedirectForProvisionalNavigation:(WKNavigation *)navigation{
+    
+}
+
+#pragma mark - 懒加载
+- (WKWebView *)wkWebView {
+    if (!_wkWebView) {
+        NSMutableString *javascript = [NSMutableString string];
+        [javascript appendString:@"document.documentElement.style.webkitTouchCallout='none';"];//禁止长按
+        [javascript appendString:@"document.documentElement.style.webkitUserSelect='none';"];//禁止选择
+        WKUserScript *noneSelectScript = [[WKUserScript alloc] initWithSource:javascript injectionTime:WKUserScriptInjectionTimeAtDocumentEnd forMainFrameOnly:YES];
+        WKWebViewConfiguration *configuration = [[WKWebViewConfiguration alloc] init];
+        configuration.allowsInlineMediaPlayback = YES;
+        WKPreferences *preferences = [WKPreferences new];
+        //很重要，如果没有设置这个则不会回调createWebViewWithConfiguration方法，也不会回应window.open()方法
+        preferences.javaScriptCanOpenWindowsAutomatically = YES;
+        configuration.preferences = preferences;
+        _wkWebView = [[WKWebView alloc] initWithFrame:CGRectMake(0, progressViewHeight, self.frame.size.width, self.frame.size.height-progressViewHeight) configuration:configuration];
+        [_wkWebView.configuration.userContentController addUserScript:noneSelectScript];
+        _wkWebView.allowsLinkPreview = NO;
+        _wkWebView.UIDelegate = self;
+        _wkWebView.navigationDelegate = self;
+        [_wkWebView addObserver:self forKeyPath:NSStringFromSelector(@selector(estimatedProgress)) options:0 context:nil];
+    }
+    return _wkWebView;
+}
+
+- (UIProgressView *)progressView {
+    if (!_progressView) {
+        _progressView = [[UIProgressView alloc] initWithProgressViewStyle:UIProgressViewStyleDefault];
+        _progressView.trackTintColor = [UIColor clearColor];
+        // 高度默认有导航栏且有穿透效果
+        _progressView.frame = CGRectMake(0, 0, self.frame.size.width, progressViewHeight);
+        // 设置进度条颜色
+        _progressView.tintColor = [UIColor colorWithRed:19/255.0 green:204/255.0 blue:12/255.0 alpha:1.0];
+        _progressView.progressTintColor = [UIColor colorWithRed:19/255.0 green:204/255.0 blue:12/255.0 alpha:1.0];
+    }
+    return _progressView;
+}
+
+@end