LibWeb/UIEvents: Implement TextEvent

Author: https://github.com/jamierocks
Commit: f610a12671
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/701
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/AtkinsSJ
Reviewed-by: https://github.com/tcl3

Meta/gn/secondary/Userland/Libraries/LibWeb/UIEvents/BUILD.gn

@@ -12,6 +12,7 @@ source_set("UIEvents") {
     "KeyboardEvent.cpp",
     "MouseEvent.cpp",
     "PointerEvent.cpp",
+    "TextEvent.cpp",
     "UIEvent.cpp",
     "WheelEvent.cpp",
   ]

Meta/gn/secondary/Userland/Libraries/LibWeb/idl_files.gni

@@ -336,6 +336,7 @@ standard_idl_files = [
   "//Userland/Libraries/LibWeb/UIEvents/KeyboardEvent.idl",
   "//Userland/Libraries/LibWeb/UIEvents/MouseEvent.idl",
   "//Userland/Libraries/LibWeb/UIEvents/PointerEvent.idl",
+  "//Userland/Libraries/LibWeb/UIEvents/TextEvent.idl",
   "//Userland/Libraries/LibWeb/UIEvents/UIEvent.idl",
   "//Userland/Libraries/LibWeb/UIEvents/WheelEvent.idl",
   "//Userland/Libraries/LibWeb/UserTiming/PerformanceMark.idl",

Tests/LibWeb/Text/expected/all-window-properties.txt

@@ -346,6 +346,7 @@ SyntaxError
 Text
 TextDecoder
 TextEncoder
+TextEvent
 TextMetrics
 TextTrack
 TextTrackCue

Userland/Libraries/LibWeb/CMakeLists.txt

@@ -712,6 +712,7 @@ set(SOURCES
     UIEvents/KeyboardEvent.cpp
     UIEvents/MouseEvent.cpp
     UIEvents/PointerEvent.cpp
+    UIEvents/TextEvent.cpp
     UIEvents/UIEvent.cpp
     UIEvents/WheelEvent.cpp
     UserTiming/PerformanceMark.cpp

Userland/Libraries/LibWeb/DOM/Document.cpp

@@ -133,6 +133,7 @@
 #include <LibWeb/UIEvents/FocusEvent.h>
 #include <LibWeb/UIEvents/KeyboardEvent.h>
 #include <LibWeb/UIEvents/MouseEvent.h>
+#include <LibWeb/UIEvents/TextEvent.h>
 #include <LibWeb/WebIDL/AbstractOperations.h>
 #include <LibWeb/WebIDL/DOMException.h>
 #include <LibWeb/WebIDL/ExceptionOr.h>
@@ -1784,7 +1785,7 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<Event>> Document::create_event(StringView i
     } else if (Infra::is_ascii_case_insensitive_match(interface, "svgevents"sv)) {
         event = Event::create(realm, FlyString {});
     } else if (Infra::is_ascii_case_insensitive_match(interface, "textevent"sv)) {
-        event = Event::create(realm, FlyString {}); // FIXME: Create TextEvent
+        event = UIEvents::TextEvent::create(realm, FlyString {});
     } else if (Infra::is_ascii_case_insensitive_match(interface, "touchevent"sv)) {
         event = Event::create(realm, FlyString {}); // FIXME: Create TouchEvent
     } else if (Infra::is_ascii_case_insensitive_match(interface, "uievent"sv)

Userland/Libraries/LibWeb/Forward.h

@@ -731,6 +731,7 @@ class InputEvent;
 class KeyboardEvent;
 class MouseEvent;
 class PointerEvent;
+class TextEvent;
 class UIEvent;
 }
 

Userland/Libraries/LibWeb/UIEvents/TextEvent.cpp

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/Bindings/TextEventPrototype.h>
+#include <LibWeb/UIEvents/TextEvent.h>
+
+namespace Web::UIEvents {
+
+JS_DEFINE_ALLOCATOR(TextEvent);
+
+JS::NonnullGCPtr<TextEvent> TextEvent::create(JS::Realm& realm, FlyString const& event_name)
+{
+    return realm.heap().allocate<TextEvent>(realm, realm, event_name);
+}
+
+TextEvent::TextEvent(JS::Realm& realm, FlyString const& event_name)
+    : UIEvent(realm, event_name)
+{
+}
+
+TextEvent::~TextEvent() = default;
+
+void TextEvent::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    WEB_SET_PROTOTYPE_FOR_INTERFACE(TextEvent);
+}
+
+// https://w3c.github.io/uievents/#dom-textevent-inittextevent
+void TextEvent::init_text_event(String const& type, bool bubbles, bool cancelable, HTML::Window* view, String const& data)
+{
+    // Initializes attributes of a TextEvent object. This method has the same behavior as UIEvent.initUIEvent().
+    // The value of detail remains undefined.
+
+    // 1. If this’s dispatch flag is set, then return.
+    if (dispatched())
+        return;
+
+    // 2. Initialize this with type, bubbles, and cancelable.
+    initialize_event(type, bubbles, cancelable);
+
+    // Implementation Defined: Initialise other values.
+    m_view = view;
+    m_data = data;
+}
+
+}

Userland/Libraries/LibWeb/UIEvents/TextEvent.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/UIEvents/UIEvent.h>
+
+namespace Web::UIEvents {
+
+class TextEvent final : public UIEvent {
+    WEB_PLATFORM_OBJECT(TextEvent, UIEvent);
+    JS_DECLARE_ALLOCATOR(TextEvent);
+
+public:
+    [[nodiscard]] static JS::NonnullGCPtr<TextEvent> create(JS::Realm&, FlyString const& event_name);
+
+    virtual ~TextEvent() override;
+
+    // https://w3c.github.io/uievents/#dom-textevent-data
+    String data() const { return m_data; }
+
+    void init_text_event(String const& type, bool bubbles, bool cancelable, HTML::Window* view, String const& data);
+
+private:
+    TextEvent(JS::Realm&, FlyString const& event_name);
+
+    virtual void initialize(JS::Realm&) override;
+
+    String m_data;
+};
+
+}

Userland/Libraries/LibWeb/UIEvents/TextEvent.idl

@@ -0,0 +1,8 @@
+#import <UIEvents/UIEvent.idl>
+
+// https://w3c.github.io/uievents/#textevent
+[Exposed=Window]
+interface TextEvent : UIEvent {
+    readonly attribute DOMString data;
+    undefined initTextEvent(DOMString type, optional boolean bubbles = false, optional boolean cancelable = false, optional Window? view = null, optional DOMString data = "undefined");
+};

Userland/Libraries/LibWeb/idl_files.cmake

@@ -322,6 +322,7 @@ libweb_js_bindings(UIEvents/InputEvent)
 libweb_js_bindings(UIEvents/KeyboardEvent)
 libweb_js_bindings(UIEvents/MouseEvent)
 libweb_js_bindings(UIEvents/PointerEvent)
+libweb_js_bindings(UIEvents/TextEvent)
 libweb_js_bindings(UIEvents/UIEvent)
 libweb_js_bindings(UIEvents/WheelEvent)
 libweb_js_bindings(UserTiming/PerformanceMark)