261 lines
11 KiB
Dart
261 lines
11 KiB
Dart
//
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// FATWebView.m
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// FinApplet
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//
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// Created by Haley on 2019/12/9.
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// Copyright © 2019 finogeeks. All rights reserved.
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//
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#import "FATWebView.h"
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#import <FinApplet/FinApplet.h>
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#import <WebKit/WebKit.h>
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#import "FATExtUtil.h"
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@interface FATWebView () <WKScriptMessageHandler, WKUIDelegate, WKNavigationDelegate, UIScrollViewDelegate>
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@property (nonatomic, strong) WKWebView *webView;
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@property (nonatomic, strong) UIProgressView *progressView;
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@property (nonatomic, copy) NSString *appletId;
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@end
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@implementation FATWebView
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- (instancetype)initWithFrame:(CGRect)frame URL:(NSURL *)URL appletId:(NSString *)appletId {
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self = [super initWithFrame:frame];
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if (self) {
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_appletId = appletId;
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[self p_initSubViews:URL];
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}
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return self;
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}
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- (void)layoutSubviews {
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[super layoutSubviews];
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self.webView.frame = self.bounds;
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CGFloat y = fabs(self.webView.scrollView.contentOffset.y);
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self.progressView.frame = CGRectMake(0, y, self.bounds.size.width, 4);
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}
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- (void)dealloc {
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[self.webView removeObserver:self forKeyPath:@"estimatedProgress"];
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}
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#pragma mark - private method
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- (void)p_initSubViews:(NSURL *)URL {
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FATWeakScriptMessageDelegate *scriptMessageDelegate = [FATWeakScriptMessageDelegate new];
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scriptMessageDelegate.scriptDelegate = self;
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WKUserContentController *userContentController = [WKUserContentController new];
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NSString *souce = @"window.__fcjs_environment='miniprogram'";
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WKUserScript *script = [[WKUserScript alloc] initWithSource:souce injectionTime:WKUserScriptInjectionTimeAtDocumentStart forMainFrameOnly:true];
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[userContentController addUserScript:script];
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[userContentController addScriptMessageHandler:scriptMessageDelegate name:@"webInvokeHandler"];
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[userContentController addScriptMessageHandler:scriptMessageDelegate name:@"webPublishHandler"];
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WKWebViewConfiguration *wkWebViewConfiguration = [WKWebViewConfiguration new];
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wkWebViewConfiguration.allowsInlineMediaPlayback = YES;
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wkWebViewConfiguration.userContentController = userContentController;
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self.webView = [[WKWebView alloc] initWithFrame:self.bounds configuration:wkWebViewConfiguration];
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self.webView.UIDelegate = self;
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self.webView.navigationDelegate = self;
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self.webView.clipsToBounds = YES;
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self.webView.scrollView.delegate = self;
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[self addSubview:self.webView];
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NSURLRequest *request = [[NSURLRequest alloc] initWithURL:URL cachePolicy:NSURLRequestReloadRevalidatingCacheData timeoutInterval:60];
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[self.webView loadRequest:request];
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self.progressView = [[UIProgressView alloc] initWithFrame:CGRectMake(0, 0, self.bounds.size.width, 4)];
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self.progressView.progressTintColor = [UIColor colorWithRed:44 / 255.0 green:127 / 255.0 blue:251 / 255.0 alpha:1];
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[self addSubview:self.progressView];
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[self.webView addObserver:self forKeyPath:@"estimatedProgress" options:NSKeyValueObservingOptionOld | NSKeyValueObservingOptionNew context:nil];
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NSString *version = [FATClient sharedClient].version;
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NSString *appendUserAgent;
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NSString *model = [[UIDevice currentDevice] model];
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if ([FATExtUtil currentProductIdentificationIsEmpty]) {
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appendUserAgent = [NSString stringWithFormat:@"Provider/finogeeks (%@; miniprogram; FinChat; runtimeSdkVersion/%@)", model, version];
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} else {
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appendUserAgent = [NSString stringWithFormat:@"Provider/%@ (%@; miniprogram; %@; runtimeSdkVersion/%@)", [FATExtUtil currentProductIdentification], model, [FATExtUtil currentProductIdentification], version];
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}
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NSString *customUA = [FATClient sharedClient].uiConfig.appendingCustomUserAgent;
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if (customUA.length > 0) {
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appendUserAgent = [appendUserAgent stringByAppendingString:@" "];
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appendUserAgent = [appendUserAgent stringByAppendingString:customUA];
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}
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__weak typeof(self) weakSelf = self;
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[self.webView evaluateJavaScript:@"navigator.userAgent" completionHandler:^(id _Nullable result, NSError *_Nullable error) {
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NSString *userAgent = result;
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userAgent = [userAgent stringByAppendingFormat:@" %@", appendUserAgent];
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weakSelf.webView.customUserAgent = userAgent;
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}];
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}
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- (void)callJS:(NSString *)js callback:(void (^)(id result, NSError *error))callback {
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[self.webView evaluateJavaScript:js completionHandler:^(id _Nullable result, NSError *_Nullable error) {
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if (callback) {
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callback(result, error);
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}
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}];
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}
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- (void)webInvokeHandler:(NSDictionary *)data {
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if (!data) {
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return;
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}
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NSString *command = data[@"C"];
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NSString *paramsString = data[@"paramsString"];
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// 可能是字符串，也可能是number
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id callbackId = data[@"callbackId"];
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if (!command) {
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return;
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}
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if ([command isEqualToString:@"initPage"]) {
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unsigned long long webPageId = self.webView.hash;
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NSString *js = [NSString stringWithFormat:@"FinChatJSBridge.webInvokeCallbackHandler('%@',%@)", callbackId, @(webPageId)];
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[self callJS:js callback:nil];
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return;
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}
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// 执行注入的事件
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NSDictionary<NSString *, FATWebExtensionApiHandlerModel *> *webExtensionApis = [FATWebExtension webExtensionApis];
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id handler = (__bridge id)(webExtensionApis[command].isOld ? webExtensionApis[command].deprecatedHandler : webExtensionApis[command].handler);
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if (handler) {
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FATExtensionApiCallback callbck = ^void(FATExtensionCode code, NSDictionary<NSString *, NSObject *> *result) {
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NSString *successErrMsg = [NSString stringWithFormat:@"%@:ok", command];
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NSString *failErrMsg = [NSString stringWithFormat:@"%@:fail", command];
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NSString *cancelErrMsg = [NSString stringWithFormat:@"%@:cancel", command];
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NSString *errMsg = (NSString *)result[@"errMsg"];
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if (errMsg && [errMsg isKindOfClass:[NSString class]] && errMsg.length > 0) {
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successErrMsg = [successErrMsg stringByAppendingFormat:@" %@", errMsg];
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failErrMsg = [failErrMsg stringByAppendingFormat:@" %@", errMsg];
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cancelErrMsg = [cancelErrMsg stringByAppendingFormat:@" %@", errMsg];
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}
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switch (code) {
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case FATExtensionCodeSuccess: {
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NSMutableDictionary *successResult = [NSMutableDictionary dictionaryWithDictionary:result];
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[successResult setObject:successErrMsg forKey:@"errMsg"];
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NSString *resultJsonString = [self fat_jsonStringFromDict:successResult];
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NSString *js = [NSString stringWithFormat:@"FinChatJSBridge.webInvokeCallbackHandler('%@',%@)", callbackId, resultJsonString];
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[self callJS:js callback:nil];
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break;
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}
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case FATExtensionCodeCancel: {
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NSMutableDictionary *cancelResult = [NSMutableDictionary dictionaryWithDictionary:result];
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[cancelResult setObject:cancelErrMsg forKey:@"errMsg"];
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NSString *resultJsonString = [self fat_jsonStringFromDict:cancelResult];
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NSString *js = [NSString stringWithFormat:@"FinChatJSBridge.webInvokeCallbackHandler('%@',%@)", callbackId, resultJsonString];
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[self callJS:js callback:nil];
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break;
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}
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case FATExtensionCodeFailure: {
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NSMutableDictionary *failResult = [NSMutableDictionary dictionaryWithDictionary:result];
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[failResult setObject:failErrMsg forKey:@"errMsg"];
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NSString *resultJsonString = [self fat_jsonStringFromDict:failResult];
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NSString *js = [NSString stringWithFormat:@"FinChatJSBridge.webInvokeCallbackHandler('%@',%@)", callbackId, resultJsonString];
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[self callJS:js callback:nil];
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break;
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}
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default:
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break;
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}
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};
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NSDictionary *param = [self fat_jsonObjectFromString:paramsString];
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if (webExtensionApis[command].isOld) {
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webExtensionApis[command].deprecatedHandler(param, callbck);
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} else {
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FATAppletInfo *appletInfo = [[FATClient sharedClient] getAppletInfo:self.appletId];
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webExtensionApis[command].handler(appletInfo, param, callbck);
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}
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return;
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}
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NSMutableDictionary *failResult = [NSMutableDictionary dictionary];
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NSString *failErrMsg = [NSString stringWithFormat:@"%@:fail 该api未实现", command];
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[failResult setObject:failErrMsg forKey:@"errMsg"];
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NSString *resultJsonString = [self fat_jsonStringFromDict:failResult];
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NSString *js = [NSString stringWithFormat:@"FinChatJSBridge.webInvokeCallbackHandler('%@',%@)", callbackId, resultJsonString];
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[self callJS:js callback:nil];
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}
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- (void)webPublishHandler:(NSDictionary *)data {
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}
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#pragma mark - KVO
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- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSKeyValueChangeKey, id> *)change context:(void *)context {
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if ([keyPath isEqual:@"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:YES];
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}];
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}
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} else {
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[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
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}
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}
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//MARK: - TOOL METHOD
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- (NSString *)fat_jsonStringFromDict:(NSDictionary *)dict {
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NSData *data = [NSJSONSerialization dataWithJSONObject:dict options:NSJSONWritingPrettyPrinted error:nil];
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if (!data) {
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return nil;
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}
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NSString *jsonString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
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return jsonString;
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}
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- (id)fat_jsonObjectFromString:(NSString *)string {
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NSData *data = [string dataUsingEncoding:NSUTF8StringEncoding];
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if (!data) {
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return nil;
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}
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id object = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
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return object;
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}
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//MARK: - WKScriptMessageHandler
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- (void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message {
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NSString *name = message.name;
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id body = message.body;
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if ([name isEqualToString:@"webInvokeHandler"]) {
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[self webInvokeHandler:body];
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} else if ([name isEqualToString:@"webPublishHandler"]) {
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[self webPublishHandler:body];
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}
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}
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//MARK: - WKNavigationDelegate
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- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {
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decisionHandler(WKNavigationActionPolicyAllow);
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}
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@end
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