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LibWeb: Add a FrameHostElement for frame/iframe common functionality

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A FrameHostElement is an HTML element (<frame> or <iframe>) that may
have a content frame that participates in the frame tree.

This basically just moves code from <iframe> to a separate base class
so we can share it with <frame> once we implement <frame>.
This commit is contained in:
Andreas Kling 2021-04-03 11:43:08 +02:00
parent 8e3e3a71cb
commit dcfc357860
5 changed files with 124 additions and 48 deletions
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66
Userland/Libraries/LibWeb/HTML/FrameHostElement.cpp Normal file
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/*
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
* 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/Document.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/HTML/FrameHostElement.h>
#include <LibWeb/Origin.h>
#include <LibWeb/Page/Frame.h>
namespace Web::HTML {
FrameHostElement::FrameHostElement(DOM::Document& document, QualifiedName qualified_name)
: HTMLElement(document, move(qualified_name))
{
}
FrameHostElement::~FrameHostElement()
{
}
Origin FrameHostElement::content_origin() const
{
if (!m_content_frame || !m_content_frame->document())
return {};
return m_content_frame->document()->origin();
}
bool FrameHostElement::may_access_from_origin(const Origin& origin) const
{
return origin.is_same(content_origin());
}
const DOM::Document* FrameHostElement::content_document() const
{
return m_content_frame ? m_content_frame->document() : nullptr;
}
void FrameHostElement::content_frame_did_load(Badge<FrameLoader>)
{
dispatch_event(DOM::Event::create(EventNames::load));
}
}