LibWeb: Add the IdleDeadline interface from the RequestIdleCallback spec

5 files changed, 73 insertions, 0 deletions

diff --git a/Userland/Libraries/LibWeb/CMakeLists.txt b/Userland/Libraries/LibWeb/CMakeLists.txt
index 641756688d..3e47e6f54a 100644
--- a/Userland/Libraries/LibWeb/CMakeLists.txt
+++ b/Userland/Libraries/LibWeb/CMakeLists.txt
@@ -221,6 +221,7 @@ set(SOURCES
     Page/Page.cpp
     Painting/BorderPainting.cpp
     Painting/StackingContext.cpp
+    RequestIdleCallback/IdleDeadline.cpp
     SVG/AttributeNames.cpp
     SVG/SVGElement.cpp
     SVG/SVGGeometryElement.cpp
@@ -414,6 +415,7 @@ libweb_js_wrapper(HTML/SubmitEvent)
 libweb_js_wrapper(HTML/WebSocket)
 libweb_js_wrapper(HighResolutionTime/Performance)
 libweb_js_wrapper(NavigationTiming/PerformanceTiming)
+libweb_js_wrapper(RequestIdleCallback/IdleDeadline)
 libweb_js_wrapper(SVG/SVGElement)
 libweb_js_wrapper(SVG/SVGGeometryElement)
 libweb_js_wrapper(SVG/SVGGraphicsElement)
diff --git a/Userland/Libraries/LibWeb/Forward.h b/Userland/Libraries/LibWeb/Forward.h
index 840a33817c..de21054194 100644
--- a/Userland/Libraries/LibWeb/Forward.h
+++ b/Userland/Libraries/LibWeb/Forward.h
@@ -153,6 +153,10 @@ namespace Web::NavigationTiming {
 class PerformanceTiming;
 }
 
+namespace Web::RequestIdleCallback {
+class IdleDeadline;
+}
+
 namespace Web::SVG {
 class SVGElement;
 class SVGGeometryElement;
@@ -302,6 +306,7 @@ class HTMLTrackElementWrapper;
 class HTMLUListElementWrapper;
 class HTMLUnknownElementWrapper;
 class HTMLVideoElementWrapper;
+class IdleDeadlineWrapper;
 class ImageDataWrapper;
 class LocationObject;
 class MediaQueryListWrapper;
diff --git a/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.cpp b/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.cpp
new file mode 100644
index 0000000000..cc89aaf5ad
--- /dev/null
+++ b/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.cpp
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/RequestIdleCallback/IdleDeadline.h>
+
+namespace Web::RequestIdleCallback {
+
+NonnullRefPtr<IdleDeadline> IdleDeadline::create(double time_remaining, bool did_timeout)
+{
+    return adopt_ref(*new IdleDeadline(time_remaining, did_timeout));
+}
+
+IdleDeadline::IdleDeadline(double time_remaining, bool did_timeout)
+    : m_time_remaining(time_remaining)
+    , m_did_timeout(did_timeout)
+{
+}
+
+IdleDeadline::~IdleDeadline()
+{
+}
+
+}
diff --git a/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.h b/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.h
new file mode 100644
index 0000000000..5222b3c0ab
--- /dev/null
+++ b/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/StdLibExtras.h>
+#include <LibWeb/Bindings/Wrappable.h>
+
+namespace Web::RequestIdleCallback {
+
+class IdleDeadline final
+    : public RefCounted<IdleDeadline>
+    , public Bindings::Wrappable {
+public:
+    using WrapperType = Bindings::IdleDeadlineWrapper;
+    using AllowOwnPtr = TrueType;
+
+    static NonnullRefPtr<IdleDeadline> create(double time_remaining, bool did_timeout);
+    virtual ~IdleDeadline() override;
+
+    double time_remaining() const { return m_time_remaining; }
+    bool did_timeout() const { return m_did_timeout; }
+
+private:
+    IdleDeadline(double time_remaining, bool did_timeout);
+
+    double m_time_remaining { 0 };
+    bool m_did_timeout { false };
+};
+
+}
diff --git a/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.idl b/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.idl
new file mode 100644
index 0000000000..0088fa3c68
--- /dev/null
+++ b/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.idl
@@ -0,0 +1,6 @@
+[Exposed=Window] interface IdleDeadline {
+
+    double timeRemaining();
+    readonly attribute boolean didTimeout;
+
+};