c7f8c20f8b
Once we paint, it's way too late for this check to happen anyway. Additionally, the spec's steps for retrieving the content document assume that both the browsing context's active document and the container's node document are non-null, which evidently isn't always the case here, as seen by crashes on the SerenityOS 2nd and 3rd birthday pages (I'm not sure about the details though). Fixes #12565.
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Debug.h>
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#include <LibGfx/Painter.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/HTML/BrowsingContext.h>
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#include <LibWeb/Layout/FrameBox.h>
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#include <LibWeb/Layout/InitialContainingBlock.h>
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namespace Web::Layout {
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FrameBox::FrameBox(DOM::Document& document, DOM::Element& element, NonnullRefPtr<CSS::StyleProperties> style)
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: ReplacedBox(document, element, move(style))
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{
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}
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FrameBox::~FrameBox()
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{
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}
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void FrameBox::prepare_for_replaced_layout()
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{
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VERIFY(dom_node().nested_browsing_context());
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// FIXME: Do proper error checking, etc.
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set_intrinsic_width(dom_node().attribute(HTML::AttributeNames::width).to_int().value_or(300));
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set_intrinsic_height(dom_node().attribute(HTML::AttributeNames::height).to_int().value_or(150));
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}
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void FrameBox::paint(PaintContext& context, PaintPhase phase)
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{
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ReplacedBox::paint(context, phase);
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if (phase == PaintPhase::Foreground) {
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auto* hosted_document = dom_node().content_document_without_origin_check();
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if (!hosted_document)
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return;
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auto* hosted_layout_tree = hosted_document->layout_node();
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if (!hosted_layout_tree)
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return;
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context.painter().save();
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auto old_viewport_rect = context.viewport_rect();
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context.painter().add_clip_rect(enclosing_int_rect(absolute_rect()));
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context.painter().translate(absolute_x(), absolute_y());
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context.set_viewport_rect({ {}, dom_node().nested_browsing_context()->size() });
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const_cast<Layout::InitialContainingBlock*>(hosted_layout_tree)->paint_all_phases(context);
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context.set_viewport_rect(old_viewport_rect);
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context.painter().restore();
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if constexpr (HIGHLIGHT_FOCUSED_FRAME_DEBUG) {
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if (dom_node().nested_browsing_context()->is_focused_context()) {
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context.painter().draw_rect(absolute_rect().to_type<int>(), Color::Cyan);
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}
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}
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}
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}
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void FrameBox::did_set_rect()
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{
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ReplacedBox::did_set_rect();
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VERIFY(dom_node().nested_browsing_context());
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dom_node().nested_browsing_context()->set_size(content_size().to_type<int>());
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}
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}
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