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LibWeb+WebContent: Add abstraction layer for event loop and timers

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Instead of using Core::EventLoop and Core::Timer directly, LibWeb now
goes through a Web::Platform abstraction layer instead.

This will allow us to plug in Qt's event loop (and QTimer) over in
Ladybird, to avoid having to deal with multiple event loops.
This commit is contained in:
Andreas Kling 2022-09-07 20:30:31 +02:00
parent 7e5a8bd4b0
commit 9567e211e7
Notes: sideshowbarker 2024-07-17 18:38:54 +09:00
28 changed files with 365 additions and 42 deletions
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14
Userland/Libraries/LibWeb/HTML/EventLoop/EventLoop.cpp
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@ -5,8 +5,6 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/EventLoop.h>
#include <LibCore/Timer.h>
#include <LibJS/Runtime/VM.h>
#include <LibWeb/Bindings/MainThreadVM.h>
#include <LibWeb/DOM/Document.h>
@ -15,6 +13,8 @@
#include <LibWeb/HTML/Scripting/Environments.h>
#include <LibWeb/HTML/Window.h>
#include <LibWeb/HighResolutionTime/Performance.h>
#include <LibWeb/Platform/EventLoopPlugin.h>
#include <LibWeb/Platform/Timer.h>
namespace Web::HTML {
@ -29,7 +29,7 @@ EventLoop::~EventLoop() = default;
void EventLoop::schedule()
{
if (!m_system_event_loop_timer) {
m_system_event_loop_timer = Core::Timer::create_single_shot(0, [this] {
m_system_event_loop_timer = Platform::Timer::create_single_shot(0, [this] {
process();
});
}
@ -74,13 +74,7 @@ void EventLoop::spin_until(Function<bool()> goal_condition)
// NOTE: This is achieved by returning from the function.
// 1. Wait until the condition goal is met.
Core::EventLoop loop;
loop.spin_until([&]() -> bool {
if (goal_condition())
return true;
return goal_condition();
});
Platform::EventLoopPlugin::the().spin_until(move(goal_condition));
// 7. Stop task, allowing whatever algorithm that invoked it to resume.
// NOTE: This is achieved by returning from the function.