LibWebView+WebConent: Add an IPC to get an element's enabled state

Userland/Libraries/LibWebView/OutOfProcessWebView.cpp

@@ -565,6 +565,11 @@ Gfx::IntRect OutOfProcessWebView::get_element_rect(i32 element_id)
     return client().get_element_rect(element_id);
 }
 
+bool OutOfProcessWebView::is_element_enabled(i32 element_id)
+{
+    return client().is_element_enabled(element_id);
+}
+
 void OutOfProcessWebView::set_content_filters(Vector<String> filters)
 {
     client().async_set_content_filters(filters);

Userland/Libraries/LibWebView/OutOfProcessWebView.h

@@ -72,6 +72,7 @@ public:
     String get_element_text(i32 element_id);
     String get_element_tag_name(i32 element_id);
     Gfx::IntRect get_element_rect(i32 element_id);
+    bool is_element_enabled(i32 element_id);
 
     void set_content_filters(Vector<String>);
     void set_proxy_mappings(Vector<String> proxies, HashMap<String, size_t> mappings);

Userland/Services/WebContent/ConnectionFromClient.cpp

@@ -3,6 +3,7 @@
  * Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
  * Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
  * Copyright (c) 2022, Tobias Christiansen <tobyase@serenityos.org>
+ * Copyright (c) 2022, Tim Flynn <trflynn89@serenityos.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -26,6 +27,7 @@
 #include <LibWeb/Dump.h>
 #include <LibWeb/Geometry/DOMRect.h>
 #include <LibWeb/HTML/BrowsingContext.h>
+#include <LibWeb/HTML/FormAssociatedElement.h>
 #include <LibWeb/HTML/Scripting/ClassicScript.h>
 #include <LibWeb/HTML/Storage.h>
 #include <LibWeb/HTML/Window.h>
@@ -616,6 +618,26 @@ Messages::WebContentServer::GetElementRectResponse ConnectionFromClient::get_ele
     return { { coordinates.x(), coordinates.y(), static_cast<int>(bounding_rect->width()), static_cast<int>(bounding_rect->height()) } };
 }
 
+Messages::WebContentServer::IsElementEnabledResponse ConnectionFromClient::is_element_enabled(i32 element_id)
+{
+    auto element = find_element_by_id(element_id);
+    if (!element.has_value())
+        return { false };
+
+    auto* document = page().top_level_browsing_context().active_document();
+    if (!document)
+        return { false };
+
+    bool enabled = !document->is_xml_document();
+
+    if (enabled && is<Web::HTML::FormAssociatedElement>(*element)) {
+        auto& form_associated_element = dynamic_cast<Web::HTML::FormAssociatedElement&>(*element);
+        enabled = form_associated_element.enabled();
+    }
+
+    return { enabled };
+}
+
 Messages::WebContentServer::GetSelectedTextResponse ConnectionFromClient::get_selected_text()
 {
     return page().focused_context().selected_text();

Userland/Services/WebContent/ConnectionFromClient.h

@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
  * Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
+ * Copyright (c) 2022, Tim Flynn <trflynn89@serenityos.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -91,6 +92,7 @@ private:
     virtual Messages::WebContentServer::GetElementTextResponse get_element_text(i32 element_id) override;
     virtual Messages::WebContentServer::GetElementTagNameResponse get_element_tag_name(i32 element_id) override;
     virtual Messages::WebContentServer::GetElementRectResponse get_element_rect(i32 element_id) override;
+    virtual Messages::WebContentServer::IsElementEnabledResponse is_element_enabled(i32 element_id) override;
 
     virtual Messages::WebContentServer::GetLocalStorageEntriesResponse get_local_storage_entries() override;
     virtual Messages::WebContentServer::GetSessionStorageEntriesResponse get_session_storage_entries() override;

Userland/Services/WebContent/WebContentServer.ipc

@@ -49,6 +49,7 @@ endpoint WebContentServer
     get_element_text(i32 element_id) => (String text)
     get_element_tag_name(i32 element_id) => (String tag_name)
     get_element_rect(i32 element_id) => (Gfx::IntRect rect)
+    is_element_enabled(i32 element_id) => (bool enabled)
 
     webdriver_execute_script(String body, Vector<String> json_arguments, Optional<u64> timeout, bool async) => (Web::WebDriver::ExecuteScriptResultType result_type, String json_result)