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LibWeb: Support window.devicePixelRatio

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This always returns 1 for now. I've added a FIXME about returning 2 in
HiDPI mode.
This commit is contained in:
Andreas Kling 2021-09-27 16:34:06 +02:00
parent e26e85a3d2
commit 7410736b0f
4 changed files with 19 additions and 0 deletions
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9
Userland/Libraries/LibWeb/Bindings/WindowObject.cpp
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@ -67,6 +67,7 @@ void WindowObject::initialize_global_object()
define_native_accessor("screen", screen_getter, {}, JS::Attribute::Enumerable);
define_native_accessor("innerWidth", inner_width_getter, {}, JS::Attribute::Enumerable);
define_native_accessor("innerHeight", inner_height_getter, {}, JS::Attribute::Enumerable);
define_native_accessor("devicePixelRatio", device_pixel_ratio_getter, {}, JS::Attribute::Enumerable | JS::Attribute::Configurable);
u8 attr = JS::Attribute::Writable | JS::Attribute::Enumerable | JS::Attribute::Configurable;
define_native_function("alert", alert, 0, attr);
define_native_function("confirm", confirm, 0, attr);
@ -506,6 +507,14 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::inner_height_getter)
return JS::Value(impl->inner_height());
}
JS_DEFINE_NATIVE_FUNCTION(WindowObject::device_pixel_ratio_getter)
{
auto* impl = impl_from(vm, global_object);
if (!impl)
return {};
return JS::Value(impl->device_pixel_ratio());
}
JS_DEFINE_NATIVE_FUNCTION(WindowObject::get_computed_style)
{
auto* impl = impl_from(vm, global_object);