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views: Add support for absolute positioned overlay views.

Browse Source 
To test:
Run `cefclient.exe --use-views --hide-frame --hide-controls`
Add `--enable-chrome-runtime` for the same behavior using the Chrome location
bar instead of a text field.
This commit is contained in:
Marshall Greenblatt
2021-08-27 21:55:15 -04:00
parent 6f6072b857
commit 4a44e16a09
96 changed files with 3875 additions and 230 deletions
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17
libcef/browser/views/view_view.h
View File

@@ -156,6 +156,13 @@ CEF_VIEW_VIEW_T void CEF_VIEW_VIEW_D::Layout() {
// If Layout() did not provide a size then use the preferred size.
if (ParentClass::size().IsEmpty())
ParentClass::SizeToPreferredSize();
if (cef_delegate()) {
const auto new_bounds = ParentClass::bounds();
CefRect new_rect(new_bounds.x(), new_bounds.y(), new_bounds.width(),
new_bounds.height());
cef_delegate()->OnLayoutChanged(GetCefView(), new_rect);
}
}
CEF_VIEW_VIEW_T void CEF_VIEW_VIEW_D::ViewHierarchyChanged(
@@ -202,8 +209,9 @@ CEF_VIEW_VIEW_T void CEF_VIEW_VIEW_D::NotifyChildViewChanged(
// Only notify for children that have a known CEF root view. For example,
// don't notify when ScrollView adds child scroll bars.
CefRefPtr<CefView> child = view_util::GetFor(details.child, false);
if (child)
if (child) {
cef_delegate()->OnChildViewChanged(GetCefView(), details.is_add, child);
}
}
CEF_VIEW_VIEW_T void CEF_VIEW_VIEW_D::NotifyParentViewChanged(
@@ -217,10 +225,11 @@ CEF_VIEW_VIEW_T void CEF_VIEW_VIEW_D::NotifyParentViewChanged(
return;
// The immediate parent might be an intermediate view so find the closest
// known CEF root view.
// known CEF root view. |parent| might be nullptr for overlays.
CefRefPtr<CefView> parent = view_util::GetFor(details.parent, true);
DCHECK(parent);
cef_delegate()->OnParentViewChanged(GetCefView(), details.is_add, parent);
if (parent) {
cef_delegate()->OnParentViewChanged(GetCefView(), details.is_add, parent);
}
}
#endif // CEF_LIBCEF_BROWSER_VIEWS_VIEW_VIEW_H_