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LibWeb: Add fast_is<Layout::InitialContainingBlockBox>

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This is used by Layout::Node::containing_block() which is fairly hot.
This commit is contained in:
Andreas Kling 2021-08-18 11:44:05 +02:00
parent 1268b39ba0
commit a401a0f8fe
2 changed files with 6 additions and 0 deletions
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5
Userland/Libraries/LibWeb/Layout/InitialContainingBlockBox.h
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@ -31,7 +31,12 @@ public:
void recompute_selection_states();
private:
virtual bool is_initial_containing_block_box() const override { return true; }
LayoutRange m_selection;
};
template<>
inline bool Node::fast_is<InitialContainingBlockBox>() const { return is_initial_containing_block_box(); }
}

1
Userland/Libraries/LibWeb/Layout/Node.h
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@ -100,6 +100,7 @@ public:
virtual bool is_box() const { return false; }
virtual bool is_block_box() const { return false; }
virtual bool is_text_node() const { return false; }
virtual bool is_initial_containing_block_box() const { return false; }
template<typename T>
bool fast_is() const = delete;