116cf92156
This fits nicer with FloatRect,FloatPoint,FloatSize and gives a much better visual clue about what type of metric is being used.
146 lines
4.3 KiB
C++
146 lines
4.3 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/Frame.h>
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#include <LibWeb/Layout/LayoutDocument.h>
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#include <LibWeb/Layout/LayoutWidget.h>
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#include <LibWeb/PageView.h>
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namespace Web {
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Frame::Frame(Element& host_element, Frame& main_frame)
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: m_page(main_frame.page())
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, m_main_frame(main_frame)
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, m_loader(*this)
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, m_event_handler({}, *this)
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, m_host_element(host_element.make_weak_ptr())
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{
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}
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Frame::Frame(Page& page)
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: m_page(page)
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, m_main_frame(*this)
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, m_loader(*this)
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, m_event_handler({}, *this)
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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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page().client().page_did_set_document_in_main_frame(m_document);
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}
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void Frame::set_size(const Gfx::IntSize& 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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if (m_document)
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m_document->layout();
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}
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void Frame::set_viewport_rect(const Gfx::IntRect& 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::IntRect& 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 (is_main_frame()) {
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page().client().page_did_invalidate(to_main_frame_rect(rect));
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return;
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}
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if (host_element() && host_element()->layout_node())
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host_element()->layout_node()->set_needs_display();
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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_of_type<LayoutWidget>([&](auto& layout_widget) {
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layout_widget.update_widget();
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return IterationDecision::Continue;
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});
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}
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void Frame::scroll_to_anchor(const String& fragment)
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{
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// FIXME: This logic is backwards, the work should be done in here,
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// and then we just request that the "view" scrolls to a certain content offset.
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page().client().page_did_request_scroll_to_anchor(fragment);
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}
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Gfx::IntRect Frame::to_main_frame_rect(const Gfx::IntRect& a_rect)
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{
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auto rect = a_rect;
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rect.set_location(to_main_frame_position(a_rect.location()));
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return rect;
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}
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Gfx::IntPoint Frame::to_main_frame_position(const Gfx::IntPoint& a_position)
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{
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auto position = a_position;
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for (auto* ancestor = parent(); ancestor; ancestor = ancestor->parent()) {
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if (ancestor->is_main_frame())
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break;
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if (!ancestor->host_element())
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return {};
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if (!ancestor->host_element()->layout_node())
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return {};
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position.move_by(ancestor->host_element()->layout_node()->box_type_agnostic_position().to_int_point());
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}
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return position;
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}
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}
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