Merge branch 'fixBugs'

# Conflicts:
#	README.md
#	README_CN.md
#	Source/WebView/TWebView.h
#	Source/WebView/TWebView.m
#	Source/WebViewDelegate/TUIWebViewDelegate.m
#	TWebKit.podspec

Author: ToBeDefined

README.md

@@ -162,6 +162,10 @@ Most of the parameters and methods are same like UIWebView, the following descri
 
     > Get cookies in `NSHTTPCookieStorage` and set the cookie for TWebView, the `forceOverride` parameter control use the cookie value in `NSHTTPCookieStorage` to reset the cookie of the same name that existed before TWebView, if `forceOverride` is `NO/false`, will don't reset the same name cookie.
 
+- `- (void)getDocumentTitle:(void (^)(NSString * _Nullable))completion`
+
+    > Take out the page's `title` to `completion`(it was use `JavaScript` to get the web page in the `document.title`)
+
 - `+ (nullable NSString *)getJavascriptStringWithFunctionName:(NSString *)function data:(id)data`
 
     > Class method to get `JavaScript function`, `function` parameter to access the JavaScript method name (no need to add brackets), `data` parameters can be `JSON Object` or ordinary `NSString`, will automatically convert Stitching; returns a function call string after splicing.

README_CN.md

@@ -163,6 +163,10 @@ github "tobedefined/TWebKit" ~> 1.2.1
 
     > 取出`NSHTTPCookieStorage`中的cookies设置TWebView的cookie，`forceOverride`参数控制是否强制使用`NSHTTPCookieStorage`中的cookie值重设TWebView之前存在的同名的cookie
 
+- `- (void)getDocumentTitle:(void (^)(NSString * _Nullable))completion`
+
+    > 取出网页的`title`放入block `completion`，使用`JavaScript`获得网页HTML中的`document.title`
+
 - `+ (nullable NSString *)getJavascriptStringWithFunctionName:(NSString *)function data:(id)data`
 
     > 类方法提供拼接JavaScript函数功能，`function`参数为要访问的JavaScript的方法名(不需要添加括号)，`data`参数可以为`JSON Object`或者为普通的`NSString`，会自动进行转换拼接；返回拼接后的函数调用字符串。

Source/WebView/TWebView.h

@@ -106,14 +106,16 @@ typedef NS_ENUM(NSUInteger, TWebViewLoadStatus) {
 // this forceOverride just once valid
 - (void)resetCookieForceOverride:(BOOL)forceOverride;
 
+- (void)getDocumentTitle:(void (^)(NSString * _Nullable title))completion;
+
 // 9.0以及之后，8.0之前可用
 - (void)loadData:(NSData *)data MIMEType:(NSString *)MIMEType textEncodingName:(NSString *)textEncodingName baseURL:(NSURL *)baseURL;
 // 9.0之后可用
 - (nullable WKNavigation *)loadFileURL:(NSURL *)URL allowingReadAccessToURL:(NSURL *)readAccessURL API_AVAILABLE(ios(9.0));
 
 + (nullable NSString *)getJavascriptStringWithFunctionName:(NSString *)function data:(id)data;
 
-- (void)runJavascript:(NSString *)js completion:(void (^ _Nullable)(_Nullable id, NSError * _Nullable error))completion;
+- (void)runJavascript:(NSString *)js completion:(void (^ _Nullable)(_Nullable id obj, NSError * _Nullable error))completion;
 
 @end
 

Source/WebView/TWebView.m

@@ -410,6 +410,19 @@ - (void)resetCookieForceOverride:(BOOL)forceOverride {
              }];
 }
 
+
+- (void)getDocumentTitle:(void (^)(NSString * _Nullable))completion {
+    [self runJavascript:@"document.title" completion:^(id _Nullable obj, NSError * _Nullable error) {
+        if (error != nil) {
+            TLog(@"%@", error);
+        }
+        if ([obj isKindOfClass:[NSString class]]) {
+            completion((NSString *)obj);
+        } else {
+            completion(nil);
+        }
+    }];
+}
 #pragma mark - Get Delegate
 - (nullable id<TWebViewDelegate>)getDelegateWithSEL:(SEL)sel {
     if ([self.delegate respondsToSelector:sel]) {

Source/WebViewDelegate/TUIWebViewDelegate.m

@@ -118,10 +118,11 @@ - (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error {
             withError:error];
 
     delegate = [self.tWebView getDelegateWithSEL:@selector(webView:loadStatus:title:)];
-    [delegate webView:self.tWebView
-           loadStatus:TWebViewLoadStatusFailed
-                title:self.tWebView.failedDefaultTitle];
-    
+    [self.tWebView getDocumentTitle:^(NSString * _Nullable title) {
+        [delegate webView:self.tWebView
+               loadStatus:TWebViewLoadStatusFailed
+                    title:isNotEmptyString(title) ? title : self.tWebView.failedDefaultTitle];
+    }];
     [self reduceLoadingCount:error];
 }
 

Source/WebViewDelegate/TWKWebViewDelegate.m

@@ -97,9 +97,11 @@ - (void)webView:(WKWebView *)webView didFailNavigation:(WKNavigation *)navigatio
     [delegate webView:self.tWebView didFailedLoadRequest:self.tWebView.request withError:error];
 
     delegate = [self.tWebView getDelegateWithSEL:@selector(webView:loadStatus:title:)];
-    [delegate webView:self.tWebView
-           loadStatus:TWebViewLoadStatusFailed
-                title:self.tWebView.failedDefaultTitle];
+    [self.tWebView getDocumentTitle:^(NSString * _Nullable title) {
+        [delegate webView:self.tWebView
+               loadStatus:TWebViewLoadStatusFailed
+                    title:isNotEmptyString(title) ? title : self.tWebView.failedDefaultTitle];
+    }];
 }
 
 - (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(WKNavigation *)navigation withError:(NSError *)error {
@@ -111,9 +113,11 @@ - (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(WKNavigation
     [delegate webView:self.tWebView didFailedLoadRequest:self.tWebView.request withError:error];
 
     delegate = [self.tWebView getDelegateWithSEL:@selector(webView:loadStatus:title:)];
-    [delegate webView:self.tWebView
-           loadStatus:TWebViewLoadStatusFailed
-                title:self.tWebView.failedDefaultTitle];
+    [self.tWebView getDocumentTitle:^(NSString * _Nullable title) {
+        [delegate webView:self.tWebView
+               loadStatus:TWebViewLoadStatusFailed
+                    title:isNotEmptyString(title) ? title : self.tWebView.failedDefaultTitle];
+    }];
 }