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LibWeb: Make Document::page() return a Page&

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Now that Document always has a Page, and always keeps it alive, we can
make this return a Page&, exposing various unnecessary null checks.
This commit is contained in:
Andreas Kling 2023-12-15 15:41:28 +01:00
parent 70193c0009
commit 7c95ebc302
17 changed files with 43 additions and 78 deletions
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28
Userland/Libraries/LibWeb/DOM/Element.cpp
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@ -1188,22 +1188,16 @@ void Element::set_scroll_left(double x)
// 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.
if (document.document_element() == this) {
// FIXME: Implement this in terms of invoking scroll() on window.
if (auto* page = document.page()) {
if (document.browsing_context() == &page->top_level_browsing_context())
page->client().page_did_request_scroll_to({ static_cast<float>(x), static_cast<float>(window->scroll_y()) });
}
if (document.browsing_context() == &document.page().top_level_browsing_context())
document.page().client().page_did_request_scroll_to({ static_cast<float>(x), static_cast<float>(window->scroll_y()) });
return;
}
// 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.
if (document.body() == this && document.in_quirks_mode() && !is_potentially_scrollable()) {
// FIXME: Implement this in terms of invoking scroll() on window.
if (auto* page = document.page()) {
if (document.browsing_context() == &page->top_level_browsing_context())
page->client().page_did_request_scroll_to({ static_cast<float>(x), static_cast<float>(window->scroll_y()) });
}
if (document.browsing_context() == &document.page().top_level_browsing_context())
document.page().client().page_did_request_scroll_to({ static_cast<float>(x), static_cast<float>(window->scroll_y()) });
return;
}
@ -1256,22 +1250,16 @@ void Element::set_scroll_top(double y)
// 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.
if (document.document_element() == this) {
// FIXME: Implement this in terms of invoking scroll() on window.
if (auto* page = document.page()) {
if (document.browsing_context() == &page->top_level_browsing_context())
page->client().page_did_request_scroll_to({ static_cast<float>(window->scroll_x()), static_cast<float>(y) });
}
if (document.browsing_context() == &document.page().top_level_browsing_context())
document.page().client().page_did_request_scroll_to({ static_cast<float>(window->scroll_x()), static_cast<float>(y) });
return;
}
// 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.
if (document.body() == this && document.in_quirks_mode() && !is_potentially_scrollable()) {
// FIXME: Implement this in terms of invoking scroll() on window.
if (auto* page = document.page()) {
if (document.browsing_context() == &page->top_level_browsing_context())
page->client().page_did_request_scroll_to({ static_cast<float>(window->scroll_x()), static_cast<float>(y) });
}
if (document.browsing_context() == &document.page().top_level_browsing_context())
document.page().client().page_did_request_scroll_to({ static_cast<float>(window->scroll_x()), static_cast<float>(y) });
return;
}