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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/DisplayLink.h>
#include <LibJS/Runtime/Function.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/DOM/EventDispatcher.h>
#include <LibWeb/DOM/Timer.h>
#include <LibWeb/DOM/Window.h>
#include <LibWeb/HighResolutionTime/Performance.h>
#include <LibWeb/InProcessWebView.h>
#include <LibWeb/Layout/InitialContainingBlockBox.h>
#include <LibWeb/Page/Frame.h>
namespace Web::DOM {
NonnullRefPtr<Window> Window::create_with_document(Document& document)
{
return adopt_ref(*new Window(document));
}
Window::Window(Document& document)
: EventTarget(static_cast<Bindings::ScriptExecutionContext&>(document))
, m_document(document)
, m_performance(make<HighResolutionTime::Performance>(*this))
, m_screen(CSS::Screen::create(*this))
{
}
Window::~Window()
{
}
void Window::set_wrapper(Badge<Bindings::WindowObject>, Bindings::WindowObject& wrapper)
{
m_wrapper = wrapper.make_weak_ptr();
}
void Window::alert(const String& message)
{
if (auto* page = m_document.page())
page->client().page_did_request_alert(message);
}
bool Window::confirm(const String& message)
{
if (auto* page = m_document.page())
return page->client().page_did_request_confirm(message);
return false;
}
String Window::prompt(const String& message, const String& default_)
{
if (auto* page = m_document.page())
return page->client().page_did_request_prompt(message, default_);
return {};
}
i32 Window::set_interval(JS::Function& callback, i32 interval)
{
auto timer = Timer::create_interval(*this, interval, callback);
m_timers.set(timer->id(), timer);
return timer->id();
}
i32 Window::set_timeout(JS::Function& callback, i32 interval)
{
auto timer = Timer::create_timeout(*this, interval, callback);
m_timers.set(timer->id(), timer);
return timer->id();
}
void Window::timer_did_fire(Badge<Timer>, Timer& timer)
{
// We should not be here if there's no JS wrapper for the Window object.
VERIFY(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);
if (timer.type() == Timer::Type::Timeout) {
m_timers.remove(timer.id());
}
[[maybe_unused]] auto rc = vm.call(timer.callback(), wrapper());
if (vm.exception())
vm.clear_exception();
vm.run_queued_promise_jobs();
VERIFY(!vm.exception());
}
i32 Window::allocate_timer_id(Badge<Timer>)
{
return m_timer_id_allocator.allocate();
}
void Window::deallocate_timer_id(Badge<Timer>, i32 id)
{
m_timer_id_allocator.deallocate(id);
}
void Window::clear_timeout(i32 timer_id)
{
m_timers.remove(timer_id);
}
void Window::clear_interval(i32 timer_id)
{
m_timers.remove(timer_id);
}
i32 Window::request_animation_frame(JS::Function& callback)
{
// FIXME: This is extremely fake!
static double fake_timestamp = 0;
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& vm = function.vm();
fake_timestamp += 10;
[[maybe_unused]] auto rc = vm.call(function, JS::js_undefined(), JS::Value(fake_timestamp));
if (vm.exception())
vm.clear_exception();
vm.run_queued_promise_jobs();
VERIFY(!vm.exception());
GUI::DisplayLink::unregister_callback(link_id);
});
// FIXME: Don't hand out raw DisplayLink ID's to JavaScript!
return link_id;
}
void Window::cancel_animation_frame(i32 id)
{
// FIXME: We should not be passing untrusted numbers to DisplayLink::unregister_callback()!
GUI::DisplayLink::unregister_callback(id);
}
void Window::did_set_location_href(Badge<Bindings::LocationObject>, const URL& new_href)
{
auto* frame = document().frame();
if (!frame)
return;
frame->loader().load(new_href, FrameLoader::Type::Navigation);
}
void Window::did_call_location_reload(Badge<Bindings::LocationObject>)
{
auto* frame = document().frame();
if (!frame)
return;
frame->loader().load(document().url(), FrameLoader::Type::Reload);
}
bool Window::dispatch_event(NonnullRefPtr<Event> event)
{
return EventDispatcher::dispatch(*this, event, true);
}
JS::Object* Window::create_wrapper(JS::GlobalObject& global_object)
{
return &global_object;
}
int Window::inner_width() const
{
if (!document().layout_node())
return 0;
return document().layout_node()->width();
}
int Window::inner_height() const
{
if (!document().layout_node())
return 0;
return document().layout_node()->height();
}
}
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