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LibWeb: Start implementing basic JavaScript DOM bindings
This patch introduces the Wrapper and Wrappable classes. Node now inherits from Wrappable, and can be wrapped in a GC-allocated Bindings::NodeWrapper object. The only property we expose right now is the very simple nodeName property. When a Document's JS::Interpreter is first instantiated, we add a "document" property with a DocumentWrapper object to the global object. This is pretty cool! :^)
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14 changed files with 196 additions and 1 deletions
31
Libraries/LibWeb/Bindings/Wrappable.h
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31
Libraries/LibWeb/Bindings/Wrappable.h
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#pragma once
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#include <AK/WeakPtr.h>
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#include <LibJS/Heap.h>
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#include <LibWeb/Forward.h>
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namespace Web {
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namespace Bindings {
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class Wrappable {
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public:
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virtual ~Wrappable();
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void set_wrapper(Wrapper&);
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Wrapper* wrapper() { return m_wrapper; }
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const Wrapper* wrapper() const { return m_wrapper; }
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private:
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WeakPtr<Wrapper> m_wrapper;
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};
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template<class NativeObject>
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inline Wrapper* wrap(JS::Heap& heap, NativeObject& native_object)
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{
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if (!native_object.wrapper())
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native_object.set_wrapper(*heap.allocate<typename NativeObject::WrapperType>(native_object));
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return native_object.wrapper();
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}
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}
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}
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