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https://github.com/RGBCube/serenity
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LibWeb: Implement getBoundingClientRect() for inline paintables
This fixes the issue that occurred when, after clicking an inline paintable page would always scroll to the top. The problem was that `scroll_an_element_into_view()` relies on `get_bounding_client_rect()` to produce the correct scroll position and for inline paintables we were always returning zero rect before this change.
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5 changed files with 54 additions and 8 deletions
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@ -173,4 +173,32 @@ void InlinePaintable::for_each_fragment(Callback callback) const
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}
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}
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CSSPixelRect InlinePaintable::bounding_rect() const
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{
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auto top = CSSPixels::max();
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auto left = CSSPixels::max();
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auto right = CSSPixels::min();
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auto bottom = CSSPixels::min();
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auto has_fragments = false;
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for_each_fragment([&](auto const& fragment, bool, bool) {
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has_fragments = true;
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auto fragment_absolute_rect = fragment.absolute_rect();
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if (fragment_absolute_rect.top() < top)
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top = fragment_absolute_rect.top();
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if (fragment_absolute_rect.left() < left)
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left = fragment_absolute_rect.left();
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if (fragment_absolute_rect.right() > right)
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right = fragment_absolute_rect.right();
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if (fragment_absolute_rect.bottom() > bottom)
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bottom = fragment_absolute_rect.bottom();
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});
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if (!has_fragments) {
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// FIXME: This is adhoc, and we should return rect of empty fragment instead.
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auto containing_block_position_in_absolute_coordinates = containing_block()->paintable_box()->absolute_position();
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return { containing_block_position_in_absolute_coordinates, { 0, 0 } };
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}
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return { left, top, right - left, bottom - top };
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}
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}
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@ -22,6 +22,8 @@ public:
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Layout::InlineNode const& layout_node() const;
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auto const& box_model() const { return layout_node().box_model(); }
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CSSPixelRect bounding_rect() const;
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private:
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InlinePaintable(Layout::InlineNode const&);
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