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	 e562819a7e
			
		
	
	
		e562819a7e
		
	
	
	
	
		
			
			Elements with shadow roots will now recurse into those shadow trees while building the layout tree. This is the first step towards basic Shadow DOM support. :^)
		
			
				
	
	
		
			55 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			55 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2020, the SerenityOS developers.
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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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| 
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| #include <LibWeb/DOM/Event.h>
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| #include <LibWeb/DOM/ShadowRoot.h>
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| #include <LibWeb/Layout/BlockBox.h>
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| 
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| namespace Web::DOM {
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| 
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| ShadowRoot::ShadowRoot(Document& document, Element& host)
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|     : DocumentFragment(document)
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| {
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|     set_host(host);
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| }
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| 
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| EventTarget* ShadowRoot::get_parent(const Event& event)
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| {
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|     if (!event.composed()) {
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|         auto& events_first_invocation_target = downcast<Node>(*event.path().first().invocation_target);
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|         if (events_first_invocation_target.root() == this)
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|             return nullptr;
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|     }
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| 
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|     return host();
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| }
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| 
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| RefPtr<Layout::Node> ShadowRoot::create_layout_node()
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| {
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|     return adopt(*new Layout::BlockBox(document(), this, CSS::ComputedValues {}));
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| }
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| 
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| }
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