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LibWeb: Implement window.matchMedia()

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This commit is contained in:
Linus Groh 2021-09-12 17:10:27 +01:00 committed by Andreas Kling
parent 4155cc7ed5
commit 51da5d03da
Notes: sideshowbarker 2024-07-18 04:07:21 +09:00 
Author: https://github.com/linusg
Commit: https://github.com/SerenityOS/serenity/commit/51da5d03da8
Pull-request: https://github.com/SerenityOS/serenity/pull/10002
4 changed files with 21 additions and 0 deletions
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13
Userland/Libraries/LibWeb/Bindings/WindowObject.cpp
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@ -21,6 +21,7 @@
#include <LibWeb/Bindings/EventWrapperFactory.h>
#include <LibWeb/Bindings/HistoryWrapper.h>
#include <LibWeb/Bindings/LocationObject.h>
#include <LibWeb/Bindings/MediaQueryListWrapper.h>
#include <LibWeb/Bindings/NavigatorObject.h>
#include <LibWeb/Bindings/NodeWrapperFactory.h>
#include <LibWeb/Bindings/PerformanceWrapper.h>
@ -78,6 +79,7 @@ void WindowObject::initialize_global_object()
define_native_function("btoa", btoa, 1, attr);
define_native_function("getComputedStyle", get_computed_style, 1, attr);
define_native_function("matchMedia", match_media, 1, attr);
// FIXME: These properties should be [Replaceable] according to the spec, but [Writable+Configurable] is the closest we have.
define_native_accessor("scrollX", scroll_x_getter, {}, attr);
@ -483,6 +485,17 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::get_computed_style)
return wrap(global_object, impl->get_computed_style(static_cast<ElementWrapper*>(object)->impl()));
}
JS_DEFINE_NATIVE_FUNCTION(WindowObject::match_media)
{
auto* impl = impl_from(vm, global_object);
if (!impl)
return {};
auto media = vm.argument(0).to_string(global_object);
if (vm.exception())
return {};
return wrap(global_object, impl->match_media(move(media)));
}
// https://www.w3.org/TR/cssom-view/#dom-window-scrollx
JS_DEFINE_NATIVE_GETTER(WindowObject::scroll_x_getter)
{

1
Userland/Libraries/LibWeb/Bindings/WindowObject.h
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@ -96,6 +96,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(btoa);
JS_DECLARE_NATIVE_FUNCTION(get_computed_style);
JS_DECLARE_NATIVE_FUNCTION(match_media);
NonnullRefPtr<DOM::Window> m_impl;

5
Userland/Libraries/LibWeb/DOM/Window.cpp
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@ -195,4 +195,9 @@ NonnullRefPtr<CSS::CSSStyleDeclaration> Window::get_computed_style(DOM::Element&
return CSS::CSSStyleDeclaration::create(move(properties), move(custom_properties));
}
NonnullRefPtr<CSS::MediaQueryList> Window::match_media(String media)
{
return CSS::MediaQueryList::create(associated_document(), move(media));
}
}

2
Userland/Libraries/LibWeb/DOM/Window.h
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@ -12,6 +12,7 @@
#include <AK/RefPtr.h>
#include <LibWeb/Bindings/WindowObject.h>
#include <LibWeb/Bindings/Wrappable.h>
#include <LibWeb/CSS/MediaQueryList.h>
#include <LibWeb/CSS/Screen.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/DOM/EventTarget.h>
@ -73,6 +74,7 @@ public:
void set_current_event(Event* event) { m_current_event = event; }
NonnullRefPtr<CSS::CSSStyleDeclaration> get_computed_style(DOM::Element&) const;
NonnullRefPtr<CSS::MediaQueryList> match_media(String);
private:
explicit Window(Document&);