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LibWeb: Add Page abstraction between PageView and main Frame

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* A PageView is a view onto a Page object.
* A Page always has a main Frame (root of Frame tree.)
* Page has a PageClient. PageView is a PageClient.

The goal here is to allow building another kind of view onto
a Page while keeping the rest of LibWeb intact.
This commit is contained in:
Andreas Kling
2020-06-08 20:31:49 +02:00
parent 5072d4e02d
commit 92392398a2
16 changed files with 351 additions and 179 deletions
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4
Libraries/LibWeb/Layout/LayoutWidget.cpp
View File

@@ -60,8 +60,8 @@ void LayoutWidget::did_set_rect()
void LayoutWidget::update_widget()
{
auto adjusted_widget_position = rect().location().to_int_point();
if (auto* page_view = document().frame()->page_view())
adjusted_widget_position.move_by(-page_view->horizontal_scrollbar().value(), -page_view->vertical_scrollbar().value());
auto& page_view = static_cast<const PageView&>(document().frame()->page().client());
adjusted_widget_position.move_by(-page_view.horizontal_scrollbar().value(), -page_view.vertical_scrollbar().value());
widget().move_to(adjusted_widget_position);
}