mirror of
https://github.com/RGBCube/serenity
synced 2025-05-19 03:45:08 +00:00
e58e315e0f
We now relayout all LayoutWidgets when the view is scrolled. This will cause them to follow along with the rest of the page content.
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/Frame.h>
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#include <LibWeb/PageView.h>
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#include <LibWeb/Layout/LayoutDocument.h>
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namespace Web {
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Frame::Frame(PageView& page_view)
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: m_page_view(page_view.make_weak_ptr())
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{
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}
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Frame::~Frame()
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{
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}
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void Frame::set_document(Document* document)
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{
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if (m_document == document)
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return;
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if (m_document)
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m_document->detach_from_frame({}, *this);
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m_document = document;
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if (m_document)
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m_document->attach_to_frame({}, *this);
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}
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void Frame::set_size(const Gfx::Size& size)
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{
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if (m_size == size)
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return;
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m_size = size;
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}
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void Frame::set_viewport_rect(const Gfx::Rect& rect)
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{
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if (m_viewport_rect == rect)
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return;
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m_viewport_rect = rect;
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if (m_document && m_document->layout_node())
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m_document->layout_node()->did_set_viewport_rect({}, rect);
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}
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void Frame::set_needs_display(const Gfx::Rect& rect)
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{
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if (!m_viewport_rect.intersects(rect))
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return;
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if (!on_set_needs_display)
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return;
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on_set_needs_display(rect);
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}
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void Frame::did_scroll(Badge<PageView>)
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{
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if (!m_document)
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return;
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if (!m_document->layout_node())
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return;
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m_document->layout_node()->for_each_in_subtree([&](LayoutNode& layout_node) {
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if (layout_node.is_widget()) {
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layout_node.layout(LayoutNode::LayoutMode::Default);
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}
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return IterationDecision::Continue;
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});
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}
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}
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