LibWeb: Add a JavaScript wrapper for HTMLImageElement :^)

Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/370befbf52c

Libraries/LibWeb/Bindings/HTMLImageElementWrapper.cpp

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <AK/FlyString.h>
+#include <AK/Function.h>
+#include <LibJS/Interpreter.h>
+#include <LibJS/Runtime/PrimitiveString.h>
+#include <LibJS/Runtime/Value.h>
+#include <LibWeb/Bindings/HTMLImageElementWrapper.h>
+#include <LibWeb/DOM/HTMLImageElement.h>
+
+namespace Web {
+namespace Bindings {
+
+HTMLImageElementWrapper::HTMLImageElementWrapper(HTMLImageElement& element)
+    : ElementWrapper(element)
+{
+}
+
+HTMLImageElementWrapper::~HTMLImageElementWrapper()
+{
+}
+
+HTMLImageElement& HTMLImageElementWrapper::node()
+{
+    return static_cast<HTMLImageElement&>(NodeWrapper::node());
+}
+
+const HTMLImageElement& HTMLImageElementWrapper::node() const
+{
+    return static_cast<const HTMLImageElement&>(NodeWrapper::node());
+}
+
+}
+}

Libraries/LibWeb/Bindings/HTMLImageElementWrapper.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <LibWeb/Bindings/ElementWrapper.h>
+
+namespace Web {
+namespace Bindings {
+
+class HTMLImageElementWrapper : public ElementWrapper {
+public:
+    explicit HTMLImageElementWrapper(HTMLImageElement&);
+    virtual ~HTMLImageElementWrapper() override;
+
+    HTMLImageElement& node();
+    const HTMLImageElement& node() const;
+
+private:
+    virtual const char* class_name() const override { return "HTMLImageElementWrapper"; }
+};
+
+}
+}

Libraries/LibWeb/Bindings/NodeWrapper.cpp

@@ -29,9 +29,11 @@
 #include <LibJS/Runtime/Value.h>
 #include <LibWeb/Bindings/DocumentWrapper.h>
 #include <LibWeb/Bindings/HTMLCanvasElementWrapper.h>
+#include <LibWeb/Bindings/HTMLImageElementWrapper.h>
 #include <LibWeb/Bindings/NodeWrapper.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/HTMLCanvasElement.h>
+#include <LibWeb/DOM/HTMLImageElement.h>
 #include <LibWeb/DOM/Node.h>
 
 namespace Web {
@@ -43,6 +45,8 @@ NodeWrapper* wrap(JS::Heap& heap, Node& node)
         return static_cast<NodeWrapper*>(wrap_impl(heap, to<Document>(node)));
     if (is<HTMLCanvasElement>(node))
         return static_cast<NodeWrapper*>(wrap_impl(heap, to<HTMLCanvasElement>(node)));
+    if (is<HTMLImageElement>(node))
+        return static_cast<NodeWrapper*>(wrap_impl(heap, to<HTMLImageElement>(node)));
     if (is<Element>(node))
         return static_cast<NodeWrapper*>(wrap_impl(heap, to<Element>(node)));
     return static_cast<NodeWrapper*>(wrap_impl(heap, node));

Libraries/LibWeb/DOM/HTMLImageElement.h

@@ -36,6 +36,8 @@ class LayoutDocument;
 
 class HTMLImageElement : public HTMLElement {
 public:
+    using WrapperType = Bindings::HTMLImageElementWrapper;
+
     HTMLImageElement(Document&, const FlyString& tag_name);
     virtual ~HTMLImageElement() override;
 

Libraries/LibWeb/Forward.h

@@ -40,6 +40,7 @@ class HTMLCanvasElement;
 class HTMLElement;
 class HTMLHeadElement;
 class HTMLHtmlElement;
+class HTMLImageElement;
 class HtmlView;
 class LayoutDocument;
 class LayoutNode;
@@ -62,6 +63,7 @@ class EventWrapper;
 class EventListenerWrapper;
 class EventTargetWrapper;
 class HTMLCanvasElementWrapper;
+class HTMLImageElementWrapper;
 class MouseEventWrapper;
 class NodeWrapper;
 class WindowObject;

Libraries/LibWeb/Makefile

@@ -6,6 +6,7 @@ LIBWEB_OBJS = \
     Bindings/EventListenerWrapper.o \
     Bindings/EventTargetWrapper.o \
     Bindings/HTMLCanvasElementWrapper.o \
+    Bindings/HTMLImageElementWrapper.o \
     Bindings/MouseEventWrapper.o \
     Bindings/NavigatorObject.o \
     Bindings/NodeWrapper.o \