Added WebView::load_html

src/webview/android/main_pipe.rs

@@ -240,6 +240,12 @@ impl<'a> MainPipe<'a> {
             f(&mut self.env, activity, &JObject::null());
           }
         }
+        WebViewMessage::LoadHtml(html) => {
+          if let Some(webview) = &self.webview {
+            let html = self.env.new_string(html)?;
+            load_html(&mut self.env, webview.as_obj(), &html)?;
+          }
+        }
         WebViewMessage::LoadUrl(url, headers) => {
           if let Some(webview) = &self.webview {
             let url = self.env.new_string(url)?;
@@ -337,6 +343,7 @@ pub(crate) enum WebViewMessage {
   GetUrl(Sender<String>),
   Jni(Box<dyn FnOnce(&mut JNIEnv, &JObject, &JObject) + Send>),
   LoadUrl(String, Option<http::HeaderMap>),
+  LoadHtml(String),
   ClearAllBrowsingData,
 }
 

src/webview/android/mod.rs

@@ -300,6 +300,10 @@ impl InnerWebView {
     Ok(())
   }
 
+  pub fn load_html(&self, html: &str) {
+    MainPipe::send(WebViewMessage::LoadHtml(html.to_string()));
+  }
+
   pub fn load_url(&self, url: &str) {
     MainPipe::send(WebViewMessage::LoadUrl(url.to_string(), None));
   }

src/webview/mod.rs

@@ -1093,6 +1093,11 @@ impl WebView {
     self.webview.set_background_color(background_color)
   }
 
+  /// Load in the given HTML
+  pub fn load_html(&self, html: &str) -> Result<()> {
+    self.webview.load_html(html)
+  }
+
   /// Navigate to the specified url
   pub fn load_url(&self, url: &str) {
     self.webview.load_url(url)

src/webview/webkitgtk/mod.rs

@@ -470,6 +470,10 @@ impl InnerWebView {
     self.webview.load_request(&req);
   }
 
+  pub fn load_html(&self, html: &str) {
+    self.webview.load_html(html)
+  }
+
   pub fn clear_all_browsing_data(&self) -> Result<()> {
     if let Some(context) = WebViewExt::context(&*self.webview) {
       use webkit2gtk::WebContextExt;

src/webview/webview2/mod.rs

@@ -945,6 +945,15 @@ window.addEventListener('mousemove', (e) => window.chrome.webview.postMessage('_
     let _ = unsafe { self.webview.Navigate(PCWSTR::from_raw(url.as_ptr())) };
   }
 
+  pub fn load_html(&self, html: &str) -> Result<()> {
+    unsafe {
+      self
+        .webview
+        .NavigateToString(PCWSTR::from_raw(encode_wide(html).as_ptr()))
+        .map_err(|e| Error::WebView2Error(webview2_com::Error::WindowsError(e)))
+    }
+  }
+
   pub fn load_url_with_headers(&self, url: &str, headers: http::HeaderMap) {
     load_url_with_headers(&self.webview, &self.env, url, headers);
   }