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LibWeb: Use JS::VM::call() in timer and RAF callback invocation

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This removes assumptions about having an Interpreter, and also unbreaks
requestAnimationFrame which was asserting.
This commit is contained in:
Andreas Kling 2020-09-27 20:31:13 +02:00
parent 340d6b0ef7
commit 700cbc02ec
1 changed files with 8 additions and 9 deletions
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17
Libraries/LibWeb/DOM/Window.cpp
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@ -26,7 +26,6 @@
#include <LibGUI/DisplayLink.h>
#include <LibGUI/MessageBox.h>
#include <LibJS/Interpreter.h>
#include <LibJS/Runtime/Function.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Timer.h>
@ -86,6 +85,7 @@ void Window::timer_did_fire(Badge<Timer>, Timer& timer)
{
// We should not be here if there's no JS wrapper for the Window object.
ASSERT(wrapper());
auto& vm = wrapper()->vm();
// NOTE: This protector pointer keeps the timer alive until the end of this function no matter what.
NonnullRefPtr protector(timer);
@ -94,10 +94,9 @@ void Window::timer_did_fire(Badge<Timer>, Timer& timer)
m_timers.remove(timer.id());
}
auto& interpreter = document().interpreter();
(void)interpreter.call(timer.callback(), wrapper());
if (interpreter.exception())
interpreter.vm().clear_exception();
(void)vm.call(timer.callback(), wrapper());
if (vm.exception())
vm.clear_exception();
}
i32 Window::allocate_timer_id(Badge<Timer>)
@ -122,11 +121,11 @@ i32 Window::request_animation_frame(JS::Function& callback)
i32 link_id = GUI::DisplayLink::register_callback([handle = make_handle(&callback)](i32 link_id) {
auto& function = const_cast<JS::Function&>(static_cast<const JS::Function&>(*handle.cell()));
auto& interpreter = function.interpreter();
auto& vm = function.vm();
fake_timestamp += 10;
(void)interpreter.call(function, {}, JS::Value(fake_timestamp));
if (interpreter.exception())
interpreter.vm().clear_exception();
(void)vm.call(function, {}, JS::Value(fake_timestamp));
if (vm.exception())
vm.clear_exception();
GUI::DisplayLink::unregister_callback(link_id);
});