//
//  ZCBaseBaseWebView.h
//  HuaKaiChat
//
//  Created by 张灿 on 2017/6/28.
//  Copyright © 2017年 huakai. All rights reserved.
//

#import <UIKit/UIKit.h>
@class ZCBaseWebView;
@protocol ZCBaseWebViewDelegate <NSObject>
@optional
- (void)webViewDidStartLoad:(ZCBaseWebView * _Nonnull)webView;
- (void)webViewDidFinishLoad:(ZCBaseWebView * _Nonnull)webView;
- (void)webView:(ZCBaseWebView * _Nonnull)webView didFailLoadWithError:(nullable NSError *)error;
- (void)webView:(ZCBaseWebView * _Nonnull)webView updateProgress:(double)progress;
@end
@interface ZCBaseWebView : UIView
/* nav */
@property (strong, nonatomic) UINavigationController *nav;
@property(weak,nonatomic)_Nullable id<ZCBaseWebViewDelegate> delegate;
@property (nonatomic,copy) NSString* contentUrl;
///内部使用的webView 如果有WKWebView则realWebView为WKWebView
@property (nonatomic, readwrite) WKWebView *realWebView;
//加载进度
@property (nonatomic, readonly) double estimatedProgress;

@property (nonatomic, copy) NSString  * _Nullable title;
///---- UI 或者 WK 的API
@property (nonatomic, readonly) UIScrollView* _Nullable scrollView;

- (void)loadRequest:(NSURLRequest * _Nullable)request;
- (void)loadHTMLString:(NSString * _Nullable)string baseURL:(nullable NSURL *)baseURL;
- (nullable NSString *)stringByEvaluatingJavaScriptFromString:(NSString * _Nullable)script;

@property (nullable, nonatomic, readonly, strong) NSURLRequest *request;
@property (nonatomic, readonly, getter=canGoBack) BOOL canGoBack;
@property (nonatomic, readonly, getter=canGoForward) BOOL canGoForward;
@property (nonatomic, readonly, getter=isLoading) BOOL loading;

@property (nonatomic) BOOL scalesPageToFit;
@end

//TLSWebProgressView
extern const float NJKInitialProgressValue;
extern const float NJKInteractiveProgressValue;
extern const float NJKFinalProgressValue;
typedef void (^ZCBaseWebProgressViewBlock)(float progress);

@class ZCBaseWebProgressView;
@protocol ZCBaseWebProgressViewDelegate <NSObject>
- (void)webViewProgress:(ZCBaseWebProgressView *_Nullable)webViewProgress updateProgress:(float)progress;
@end

@interface ZCBaseWebProgressView : NSObject
@property (nonatomic, weak) id<ZCBaseWebProgressViewDelegate >progressDelegate;
@property (nonatomic, copy) ZCBaseWebProgressViewBlock progressBlock;
@property (nonatomic, readonly) float progress; // 0.0..1.0

- (void)reset;
@end