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LibWeb: Expose the GlobalEventHandlers mixin on the Window object

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We now expose all the `onfoo` event handler attributes on the window
object. This makes `window.onload = ...` actually work. :^)
This commit is contained in:
Andreas Kling 2021-09-22 16:39:15 +02:00
parent fb2f7c7b9c
commit 635ab6db0b
3 changed files with 54 additions and 1 deletions
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41
Userland/Libraries/LibWeb/Bindings/WindowObject.cpp
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@ -19,6 +19,7 @@
#include <LibWeb/Bindings/EventTargetPrototype.h>
#include <LibWeb/Bindings/EventWrapper.h>
#include <LibWeb/Bindings/EventWrapperFactory.h>
#include <LibWeb/Bindings/ExceptionOrUtils.h>
#include <LibWeb/Bindings/HistoryWrapper.h>
#include <LibWeb/Bindings/LocationObject.h>
#include <LibWeb/Bindings/MediaQueryListWrapper.h>
@ -31,6 +32,7 @@
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/DOM/Window.h>
#include <LibWeb/HTML/EventHandler.h>
#include <LibWeb/Origin.h>
#include <LibWeb/Page/BrowsingContext.h>
#include <LibWeb/Page/Page.h>
@ -104,6 +106,12 @@ void WindowObject::initialize_global_object()
// WebAssembly "namespace"
define_direct_property("WebAssembly", heap().allocate<WebAssemblyObject>(*this, *this), JS::Attribute::Enumerable | JS::Attribute::Configurable);
// HTML::GlobalEventHandlers
#define __ENUMERATE(attribute, event_name) \
define_native_accessor(#attribute, attribute##_getter, attribute##_setter, attr);
ENUMERATE_GLOBAL_EVENT_HANDLERS(__ENUMERATE);
#undef __ENUMERATE
ADD_WINDOW_OBJECT_INTERFACES;
}
@ -674,4 +682,37 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::history_getter)
return wrap(global_object, impl->associated_document().history());
}
#define __ENUMERATE(attribute, event_name) \
JS_DEFINE_NATIVE_FUNCTION(WindowObject::attribute##_getter) \
{ \
auto* impl = impl_from(vm, global_object); \
if (!impl) \
return {}; \
auto retval = impl->attribute(); \
if (retval.callback.is_null()) \
return JS::js_null(); \
return retval.callback.cell(); \
} \
JS_DEFINE_NATIVE_FUNCTION(WindowObject::attribute##_setter) \
{ \
auto* impl = impl_from(vm, global_object); \
if (!impl) \
return {}; \
auto value = vm.argument(0); \
HTML::EventHandler cpp_value; \
if (value.is_function()) { \
cpp_value.callback = JS::make_handle(&value.as_function()); \
} else if (value.is_string()) { \
cpp_value.string = value.as_string().string(); \
} else { \
return {}; \
} \
(void)throw_dom_exception_if_needed(vm, global_object, [&] { \
return impl->set_##attribute(cpp_value); \
}); \
return {}; \
}
ENUMERATE_GLOBAL_EVENT_HANDLERS(__ENUMERATE)
#undef __ENUMERATE
}