ladybird/Libraries/LibWeb/HTML/TimeRanges.cpp

70 lines
2.4 KiB
C++

/*
* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/Realm.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/Bindings/TimeRangesPrototype.h>
#include <LibWeb/HTML/TimeRanges.h>
namespace Web::HTML {
GC_DEFINE_ALLOCATOR(TimeRanges);
TimeRanges::TimeRanges(JS::Realm& realm)
: Base(realm)
{
}
void TimeRanges::initialize(JS::Realm& realm)
{
Base::initialize(realm);
WEB_SET_PROTOTYPE_FOR_INTERFACE(TimeRanges);
}
// https://html.spec.whatwg.org/multipage/media.html#dom-timeranges-length
size_t TimeRanges::length() const
{
return m_ranges.size();
}
// https://html.spec.whatwg.org/multipage/media.html#dom-timeranges-start
WebIDL::ExceptionOr<double> TimeRanges::start(u32 index) const
{
// These methods must throw "IndexSizeError" DOMExceptions if called with an index argument greater than or equal to the number of ranges represented by the object.
if (index >= m_ranges.size())
return WebIDL::IndexSizeError::create(realm(), "Index argument is greater than or equal to the number of ranges represented by this TimeRanges object"_string);
// The start(index) method must return the position of the start of the indexth range represented by the object,
// in seconds measured from the start of the timeline that the object covers.
return m_ranges[index].start;
}
// https://html.spec.whatwg.org/multipage/media.html#dom-timeranges-end
WebIDL::ExceptionOr<double> TimeRanges::end(u32 index) const
{
// These methods must throw "IndexSizeError" DOMExceptions if called with an index argument greater than or equal to the number of ranges represented by the object.
if (index >= m_ranges.size())
return WebIDL::IndexSizeError::create(realm(), "Index argument is greater than or equal to the number of ranges represented by this TimeRanges object"_string);
// The end(index) method must return the position of the end of the indexth range represented by the object,
// in seconds measured from the start of the timeline that the object covers.
return m_ranges[index].end;
}
void TimeRanges::add_range(double start, double end)
{
m_ranges.append({ start, end });
}
bool TimeRanges::in_range(double point)
{
for (auto range : m_ranges) {
if (point >= range.start && point <= range.end)
return true;
}
return false;
}
}