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LibWeb: Add Document::viewport_rect()

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This is a convenience helper that returns an empty rect if there is no
browsing context (to get the actual rect from).
This commit is contained in:
Andreas Kling 2023-08-21 12:26:18 +02:00
parent b8e694c0f2
commit ae5313d33c
2 changed files with 10 additions and 5 deletions
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14
Userland/Libraries/LibWeb/DOM/Document.cpp
View File

@ -968,7 +968,7 @@ void Document::update_layout()
if (!browsing_context())
return;
auto viewport_rect = browsing_context()->viewport_rect();
auto viewport_rect = this->viewport_rect();
if (!m_layout_root) {
Layout::TreeBuilder tree_builder;
@ -2101,10 +2101,7 @@ void Document::run_the_resize_steps()
// or an iframe element’s dimensions are changed) since the last time these steps were run,
// fire an event named resize at the Window object associated with doc.
if (!browsing_context())
return;
auto viewport_size = browsing_context()->viewport_rect().size().to_type<int>();
auto viewport_size = viewport_rect().size().to_type<int>();
if (m_last_viewport_size == viewport_size)
return;
m_last_viewport_size = viewport_size;
@ -2987,6 +2984,13 @@ HTML::ListOfAvailableImages const& Document::list_of_available_images() const
return *m_list_of_available_images;
}
CSSPixelRect Document::viewport_rect() const
{
if (auto* browsing_context = this->browsing_context())
return browsing_context->viewport_rect();
return CSSPixelRect {};
}
JS::NonnullGCPtr<CSS::VisualViewport> Document::visual_viewport()
{
if (!m_visual_viewport)

1
Userland/Libraries/LibWeb/DOM/Document.h
View File

@ -390,6 +390,7 @@ public:
void add_media_query_list(JS::NonnullGCPtr<CSS::MediaQueryList>);
JS::NonnullGCPtr<CSS::VisualViewport> visual_viewport();
[[nodiscard]] CSSPixelRect viewport_rect() const;
bool has_focus() const;