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	 c0e81b26b6
			
		
	
	
		c0e81b26b6
		
	
	
	
	
		
			
			Now that Frame knows the visible viewport rect, it can easily ignore repaint requests from e.g <blink> elements that are not currently scrolled into view. :^)
		
			
				
	
	
		
			54 lines
		
	
	
	
		
			1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
	
		
			1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #include <LibHTML/DOM/Document.h>
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| #include <LibHTML/Frame.h>
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| #include <LibHTML/HtmlView.h>
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| #include <LibHTML/Layout/LayoutDocument.h>
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| 
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| Frame::Frame(HtmlView& html_view)
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|     : m_html_view(html_view.make_weak_ptr())
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| {
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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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| 
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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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| 
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|     if (m_document)
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|         m_document->detach_from_frame({}, *this);
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| 
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|     m_document = document;
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| 
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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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| 
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| void Frame::set_size(const 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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| 
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| void Frame::set_viewport_rect(const 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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| 
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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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| 
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| void Frame::set_needs_display(const 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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| 
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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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