refactor(ui/webview): hide load_html in internals (#40)

Signed-off-by: Tony Gorez <[email protected]>

Author: tony-go

src/ui/webview/appkit/webview_appkit.mm

@@ -18,7 +18,7 @@
 
   ~Internal() { [webView_ release]; }
 
-  void load_url(const std::string &url) {
+  auto load_url(const std::string &url) -> void {
     NSString *urlString = [NSString stringWithUTF8String:url.c_str()];
     NSURL *nsUrl = [NSURL URLWithString:urlString];
     if (nsUrl) {
@@ -29,6 +29,18 @@ void load_url(const std::string &url) {
     }
   }
 
+  auto load_html(const std::string &html_path) -> void {
+    NSBundle *bundle = [NSBundle mainBundle];
+    NSString *html_filename = [NSString stringWithUTF8String:html_path.c_str()];
+    NSString *html_filename_without_extension =
+        [html_filename stringByDeletingPathExtension];
+    NSURL *html_url = [bundle URLForResource:html_filename_without_extension
+                               withExtension:@"html"];
+
+    [this->get_webview() loadFileURL:html_url
+             allowingReadAccessToURL:[html_url URLByDeletingLastPathComponent]];
+  }
+
   auto get_webview() -> WKWebView * { return webView_; }
 
 private:
@@ -58,17 +70,6 @@ void load_url(const std::string &url) {
 }
 
 auto WebView::load_html(const std::string &html_path) -> void {
-  NSString *html_filename = [NSString stringWithUTF8String:html_path.c_str()];
-  NSString *html_filename_without_extension =
-      html_filename.stringByDeletingPathExtension;
-  NSBundle *bundle = [NSBundle mainBundle];
-  NSString *path = [bundle pathForResource:html_filename_without_extension
-                                    ofType:@"html"];
-  NSString *html = [NSString stringWithContentsOfFile:path
-                                             encoding:NSUTF8StringEncoding
-                                                error:nil];
-
-  WKWebView *webview = internal_->get_webview();
-  [webview loadHTMLString:html baseURL:[bundle resourceURL]];
+  internal_->load_html(html_path);
 }
 } // namespace sourcemeta::native