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LibWeb: Move viewport subscriptions from BrowsingContext to Document

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With this change, elements that want to receive viewport rect updates
will need to register on document instead of the browsing context.

This change solves the problem where a browsing context for a document
is guaranteed to exist only while the document is active so browsing
context might not exit by the time DOM node that want to register is
constructed.

This is a part of preparation work before switching to navigables where
this issue becomes more visible.
This commit is contained in:
Aliaksandr Kalenik 2023-08-23 18:58:42 +02:00 • committed by Andreas Kling
parent 48e9097aa4
commit 5ff7448fee
10 changed files with 66 additions and 61 deletions
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8
Userland/Libraries/LibWeb/Layout/VideoBox.h
View file

@ -6,15 +6,15 @@
#pragma once
#include <LibWeb/DOM/Document.h>
#include <LibWeb/Forward.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/Layout/ReplacedBox.h>
namespace Web::Layout {
class VideoBox final
: public ReplacedBox
, public HTML::BrowsingContext::ViewportClient {
, public DOM::Document::ViewportClient {
JS_CELL(VideoBox, ReplacedBox);
public:
@ -28,8 +28,8 @@ public:
private:
VideoBox(DOM::Document&, DOM::Element&, NonnullRefPtr<CSS::StyleProperties>);
// ^BrowsingContext::ViewportClient
virtual void browsing_context_did_set_viewport_rect(CSSPixelRect const&) final;
// ^Document::ViewportClient
virtual void did_set_viewport_rect(CSSPixelRect const&) final;
// ^JS::Cell
virtual void finalize() override;