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ladybird/Userland/Libraries/LibWeb/HTML/Timer.h

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LibWeb: Make DOM timers cancellable and stop leaking them This patch adds a Web::Timer object that represents a single timer registration made with window.setTimeout() or window.setInterval(). All live timers are owned by the DOM Window object. The timers can be stopped via clearTimeout() or clearInterval(). Note that those API's are actually interchangeable, but we have to support both.
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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
Everything: Move to SPDX license identifiers in all files. SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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* SPDX-License-Identifier: BSD-2-Clause
LibWeb: Make DOM timers cancellable and stop leaking them This patch adds a Web::Timer object that represents a single timer registration made with window.setTimeout() or window.setInterval(). All live timers are owned by the DOM Window object. The timers can be stopped via clearTimeout() or clearInterval(). Note that those API's are actually interchangeable, but we have to support both.
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*/
#pragma once
#include <AK/Forward.h>
LibWeb: Implement setTimeout/setInterval with ESO according to the spec Our setInterval implementation currently crashes on DuckDuckGo when it's invoked with a string argument. In this path, we were creating a native function to evaluate and execute that string. That evaluation was always returning a Completion, but NativeFunction expects ThrowCompletionOr. The conversion from Completion to ThrowCompletionOr would fail a VERIFY because that conversion is only valid if the Completion is an error; but we would trigger this conversion even on success. This change re-implements setTimeout & setInterval in direct accordance with the spec. So we avoid making that NativeFunction altogether, and DDG can progress past its invocation to the timer. With this change, we also have other features we did not previously support, such as passing any number of arguments to the timers. This does not implement handling of nesting levels yet.
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#include <AK/Function.h>
LibWeb: Make DOM timers cancellable and stop leaking them This patch adds a Web::Timer object that represents a single timer registration made with window.setTimeout() or window.setInterval(). All live timers are owned by the DOM Window object. The timers can be stopped via clearTimeout() or clearInterval(). Note that those API's are actually interchangeable, but we have to support both.
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#include <LibCore/Forward.h>
#include <LibWeb/Forward.h>
LibWeb: Move Timer from DOM directory & namespace to HTML Timers are part of the HTML spec. :^) https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers
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namespace Web::HTML {
LibWeb: Make DOM timers cancellable and stop leaking them This patch adds a Web::Timer object that represents a single timer registration made with window.setTimeout() or window.setInterval(). All live timers are owned by the DOM Window object. The timers can be stopped via clearTimeout() or clearInterval(). Note that those API's are actually interchangeable, but we have to support both.
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class Timer final : public RefCounted<Timer> {
public:
LibWeb: Move Timer from DOM directory & namespace to HTML Timers are part of the HTML spec. :^) https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers
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static NonnullRefPtr<Timer> create(Window& window, i32 milliseconds, Function<void()> callback, i32 id);
LibWeb: Make DOM timers cancellable and stop leaking them This patch adds a Web::Timer object that represents a single timer registration made with window.setTimeout() or window.setInterval(). All live timers are owned by the DOM Window object. The timers can be stopped via clearTimeout() or clearInterval(). Note that those API's are actually interchangeable, but we have to support both.
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~Timer();
LibWeb: Implement setTimeout/setInterval with ESO according to the spec Our setInterval implementation currently crashes on DuckDuckGo when it's invoked with a string argument. In this path, we were creating a native function to evaluate and execute that string. That evaluation was always returning a Completion, but NativeFunction expects ThrowCompletionOr. The conversion from Completion to ThrowCompletionOr would fail a VERIFY because that conversion is only valid if the Completion is an error; but we would trigger this conversion even on success. This change re-implements setTimeout & setInterval in direct accordance with the spec. So we avoid making that NativeFunction altogether, and DDG can progress past its invocation to the timer. With this change, we also have other features we did not previously support, such as passing any number of arguments to the timers. This does not implement handling of nesting levels yet.
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void start();
LibWeb: Make DOM timers cancellable and stop leaking them This patch adds a Web::Timer object that represents a single timer registration made with window.setTimeout() or window.setInterval(). All live timers are owned by the DOM Window object. The timers can be stopped via clearTimeout() or clearInterval(). Note that those API's are actually interchangeable, but we have to support both.
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private:
LibWeb: Move Timer from DOM directory & namespace to HTML Timers are part of the HTML spec. :^) https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers
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Timer(Window& window, i32 milliseconds, Function<void()> callback, i32 id);
LibWeb: Make DOM timers cancellable and stop leaking them This patch adds a Web::Timer object that represents a single timer registration made with window.setTimeout() or window.setInterval(). All live timers are owned by the DOM Window object. The timers can be stopped via clearTimeout() or clearInterval(). Note that those API's are actually interchangeable, but we have to support both.
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RefPtr<Core::Timer> m_timer;
LibWeb: Move Timer from DOM directory & namespace to HTML Timers are part of the HTML spec. :^) https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers
2022-03-07 23:54:56 +01:00
Window& m_window;
LibWeb: Implement setTimeout/setInterval with ESO according to the spec Our setInterval implementation currently crashes on DuckDuckGo when it's invoked with a string argument. In this path, we were creating a native function to evaluate and execute that string. That evaluation was always returning a Completion, but NativeFunction expects ThrowCompletionOr. The conversion from Completion to ThrowCompletionOr would fail a VERIFY because that conversion is only valid if the Completion is an error; but we would trigger this conversion even on success. This change re-implements setTimeout & setInterval in direct accordance with the spec. So we avoid making that NativeFunction altogether, and DDG can progress past its invocation to the timer. With this change, we also have other features we did not previously support, such as passing any number of arguments to the timers. This does not implement handling of nesting levels yet.
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i32 m_id { 0 };
LibWeb: Make DOM timers cancellable and stop leaking them This patch adds a Web::Timer object that represents a single timer registration made with window.setTimeout() or window.setInterval(). All live timers are owned by the DOM Window object. The timers can be stopped via clearTimeout() or clearInterval(). Note that those API's are actually interchangeable, but we have to support both.
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};
}
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