mirror of
				https://github.com/RGBCube/serenity
				synced 2025-10-31 21:02:44 +00:00 
			
		
		
		
	 4d401bf796
			
		
	
	
		4d401bf796
		
	
	
	
	
		
			
			This simplifies the ownership model between DOM/layout/paint nodes immensely by deferring to the garbage collector for figuring out what's live and what's not.
		
			
				
	
	
		
			70 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
 | |
|  *
 | |
|  * SPDX-License-Identifier: BSD-2-Clause
 | |
|  */
 | |
| 
 | |
| #include <AK/Debug.h>
 | |
| #include <LibWeb/HTML/BrowsingContextContainer.h>
 | |
| #include <LibWeb/Layout/FrameBox.h>
 | |
| #include <LibWeb/Layout/InitialContainingBlock.h>
 | |
| #include <LibWeb/Painting/BorderRadiusCornerClipper.h>
 | |
| #include <LibWeb/Painting/NestedBrowsingContextPaintable.h>
 | |
| 
 | |
| namespace Web::Painting {
 | |
| 
 | |
| JS::NonnullGCPtr<NestedBrowsingContextPaintable> NestedBrowsingContextPaintable::create(Layout::FrameBox const& layout_box)
 | |
| {
 | |
|     return layout_box.heap().allocate_without_realm<NestedBrowsingContextPaintable>(layout_box);
 | |
| }
 | |
| 
 | |
| NestedBrowsingContextPaintable::NestedBrowsingContextPaintable(Layout::FrameBox const& layout_box)
 | |
|     : PaintableBox(layout_box)
 | |
| {
 | |
| }
 | |
| 
 | |
| Layout::FrameBox const& NestedBrowsingContextPaintable::layout_box() const
 | |
| {
 | |
|     return static_cast<Layout::FrameBox const&>(layout_node());
 | |
| }
 | |
| 
 | |
| void NestedBrowsingContextPaintable::paint(PaintContext& context, PaintPhase phase) const
 | |
| {
 | |
|     if (!layout_box().is_visible())
 | |
|         return;
 | |
| 
 | |
|     PaintableBox::paint(context, phase);
 | |
| 
 | |
|     if (phase == PaintPhase::Foreground) {
 | |
|         auto absolute_rect = this->absolute_rect();
 | |
|         auto clip_rect = context.rounded_device_rect(absolute_rect);
 | |
|         ScopedCornerRadiusClip corner_clip { context, context.painter(), clip_rect, normalized_border_radii_data(ShrinkRadiiForBorders::Yes) };
 | |
| 
 | |
|         auto* hosted_document = layout_box().dom_node().content_document_without_origin_check();
 | |
|         if (!hosted_document)
 | |
|             return;
 | |
|         auto* hosted_layout_tree = hosted_document->layout_node();
 | |
|         if (!hosted_layout_tree)
 | |
|             return;
 | |
| 
 | |
|         context.painter().save();
 | |
|         auto old_viewport_rect = context.device_viewport_rect();
 | |
| 
 | |
|         context.painter().add_clip_rect(clip_rect.to_type<int>());
 | |
|         context.painter().translate(absolute_rect.x().value(), absolute_rect.y().value());
 | |
| 
 | |
|         context.set_device_viewport_rect({ {}, context.enclosing_device_size(layout_box().dom_node().nested_browsing_context()->size()) });
 | |
|         const_cast<Layout::InitialContainingBlock*>(hosted_layout_tree)->paint_all_phases(context);
 | |
| 
 | |
|         context.set_device_viewport_rect(old_viewport_rect);
 | |
|         context.painter().restore();
 | |
| 
 | |
|         if constexpr (HIGHLIGHT_FOCUSED_FRAME_DEBUG) {
 | |
|             if (layout_box().dom_node().nested_browsing_context()->is_focused_context()) {
 | |
|                 context.painter().draw_rect(clip_rect.to_type<int>(), Color::Cyan);
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| }
 | |
| 
 | |
| }
 |