e562819a7e
Elements with shadow roots will now recurse into those shadow trees while building the layout tree. This is the first step towards basic Shadow DOM support. :^)
55 lines
2 KiB
C++
55 lines
2 KiB
C++
/*
|
|
* Copyright (c) 2020, the SerenityOS developers.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <LibWeb/DOM/Event.h>
|
|
#include <LibWeb/DOM/ShadowRoot.h>
|
|
#include <LibWeb/Layout/BlockBox.h>
|
|
|
|
namespace Web::DOM {
|
|
|
|
ShadowRoot::ShadowRoot(Document& document, Element& host)
|
|
: DocumentFragment(document)
|
|
{
|
|
set_host(host);
|
|
}
|
|
|
|
EventTarget* ShadowRoot::get_parent(const Event& event)
|
|
{
|
|
if (!event.composed()) {
|
|
auto& events_first_invocation_target = downcast<Node>(*event.path().first().invocation_target);
|
|
if (events_first_invocation_target.root() == this)
|
|
return nullptr;
|
|
}
|
|
|
|
return host();
|
|
}
|
|
|
|
RefPtr<Layout::Node> ShadowRoot::create_layout_node()
|
|
{
|
|
return adopt(*new Layout::BlockBox(document(), this, CSS::ComputedValues {}));
|
|
}
|
|
|
|
}
|