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https://github.com/SerenityOS/serenity
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LibWeb: Only forward scroll requests for the top-level browsing context
We don't want to scroll the whole web view just because some iframe is asking to be scrolled.
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@ -1029,8 +1029,10 @@ void Element::set_scroll_left(double x)
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// 8. If the element is the root element invoke scroll() on window with x as first argument and scrollY on window as second argument, and terminate these steps.
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if (document.document_element() == this) {
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// FIXME: Implement this in terms of invoking scroll() on window.
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if (auto* page = document.page())
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page->client().page_did_request_scroll_to({ static_cast<float>(x), static_cast<float>(window->scroll_y()) });
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if (auto* page = document.page()) {
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if (document.browsing_context() == &page->top_level_browsing_context())
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page->client().page_did_request_scroll_to({ static_cast<float>(x), static_cast<float>(window->scroll_y()) });
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}
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return;
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}
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@ -1038,8 +1040,10 @@ void Element::set_scroll_left(double x)
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// 9. If the element is the body element, document is in quirks mode, and the element is not potentially scrollable, invoke scroll() on window with x as first argument and scrollY on window as second argument, and terminate these steps.
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if (document.body() == this && document.in_quirks_mode() && !is_potentially_scrollable()) {
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// FIXME: Implement this in terms of invoking scroll() on window.
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if (auto* page = document.page())
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page->client().page_did_request_scroll_to({ static_cast<float>(x), static_cast<float>(window->scroll_y()) });
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if (auto* page = document.page()) {
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if (document.browsing_context() == &page->top_level_browsing_context())
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page->client().page_did_request_scroll_to({ static_cast<float>(x), static_cast<float>(window->scroll_y()) });
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}
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return;
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}
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@ -1093,8 +1097,10 @@ void Element::set_scroll_top(double y)
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// 8. If the element is the root element invoke scroll() on window with scrollX on window as first argument and y as second argument, and terminate these steps.
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if (document.document_element() == this) {
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// FIXME: Implement this in terms of invoking scroll() on window.
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if (auto* page = document.page())
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page->client().page_did_request_scroll_to({ static_cast<float>(window->scroll_x()), static_cast<float>(y) });
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if (auto* page = document.page()) {
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if (document.browsing_context() == &page->top_level_browsing_context())
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page->client().page_did_request_scroll_to({ static_cast<float>(window->scroll_x()), static_cast<float>(y) });
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}
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return;
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}
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@ -1102,8 +1108,10 @@ void Element::set_scroll_top(double y)
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// 9. If the element is the body element, document is in quirks mode, and the element is not potentially scrollable, invoke scroll() on window with scrollX as first argument and y as second argument, and terminate these steps.
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if (document.body() == this && document.in_quirks_mode() && !is_potentially_scrollable()) {
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// FIXME: Implement this in terms of invoking scroll() on window.
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if (auto* page = document.page())
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page->client().page_did_request_scroll_to({ static_cast<float>(window->scroll_x()), static_cast<float>(y) });
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if (auto* page = document.page()) {
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if (document.browsing_context() == &page->top_level_browsing_context())
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page->client().page_did_request_scroll_to({ static_cast<float>(window->scroll_x()), static_cast<float>(y) });
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}
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return;
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}
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@ -1390,7 +1398,8 @@ static ErrorOr<void> scroll_an_element_into_view(DOM::Element& element, Bindings
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if (!layout_node)
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return Error::from_string_view("Element has no parent layout node that is a box."sv);
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page->client().page_did_request_scroll_into_view(verify_cast<Layout::Box>(*layout_node).paintable_box()->absolute_padding_box_rect());
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if (element.document().browsing_context() == &page->top_level_browsing_context())
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page->client().page_did_request_scroll_into_view(verify_cast<Layout::Box>(*layout_node).paintable_box()->absolute_padding_box_rect());
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return {};
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}
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@ -621,7 +621,7 @@ void BrowsingContext::scroll_to(CSSPixelPoint position)
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active_document()->update_layout();
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}
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if (m_page)
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if (m_page && this == &m_page->top_level_browsing_context())
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m_page->client().page_did_request_scroll_to(position);
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}
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@ -659,7 +659,7 @@ void BrowsingContext::scroll_to_anchor(DeprecatedString const& fragment)
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target_rect.translate_by(-padding_box.left, -padding_box.top);
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}
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if (m_page)
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if (m_page && this == &m_page->top_level_browsing_context())
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m_page->client().page_did_request_scroll_into_view(target_rect);
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}
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@ -193,7 +193,8 @@ bool EventHandler::handle_mousewheel(CSSPixelPoint position, unsigned button, un
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auto offset = compute_mouse_event_offset(position, *layout_node);
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if (node->dispatch_event(UIEvents::WheelEvent::create_from_platform_event(node->realm(), UIEvents::EventNames::wheel, offset.x(), offset.y(), position.x(), position.y(), wheel_delta_x, wheel_delta_y, buttons, button).release_value_but_fixme_should_propagate_errors())) {
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if (auto* page = m_browsing_context->page()) {
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page->client().page_did_request_scroll(wheel_delta_x * 20, wheel_delta_y * 20);
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if (m_browsing_context == &page->top_level_browsing_context())
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page->client().page_did_request_scroll(wheel_delta_x * 20, wheel_delta_y * 20);
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}
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}
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