зеркало из https://github.com/mozilla/gecko-dev.git
98 строки
2.3 KiB
C++
98 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef mozilla_dom_ElementInlines_h
|
|
#define mozilla_dom_ElementInlines_h
|
|
|
|
#include "mozilla/dom/Element.h"
|
|
#include "mozilla/ServoBindingTypes.h"
|
|
#include "nsIContentInlines.h"
|
|
#include "nsIDocument.h"
|
|
#include "nsIPresShell.h"
|
|
#include "nsIPresShellInlines.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
inline void
|
|
Element::RegisterActivityObserver()
|
|
{
|
|
OwnerDoc()->RegisterActivityObserver(this);
|
|
}
|
|
|
|
inline void
|
|
Element::UnregisterActivityObserver()
|
|
{
|
|
OwnerDoc()->UnregisterActivityObserver(this);
|
|
}
|
|
|
|
inline Element*
|
|
Element::GetFlattenedTreeParentElement() const
|
|
{
|
|
nsINode* parentNode = GetFlattenedTreeParentNode();
|
|
if MOZ_LIKELY(parentNode && parentNode->IsElement()) {
|
|
return parentNode->AsElement();
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
inline Element*
|
|
Element::GetFlattenedTreeParentElementForStyle() const
|
|
{
|
|
nsINode* parentNode = GetFlattenedTreeParentNodeForStyle();
|
|
if MOZ_LIKELY(parentNode && parentNode->IsElement()) {
|
|
return parentNode->AsElement();
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
inline void
|
|
Element::NoteDirtyDescendantsForServo()
|
|
{
|
|
if (!HasServoData()) {
|
|
// The dirty descendants bit only applies to styled elements.
|
|
return;
|
|
}
|
|
|
|
Element* curr = this;
|
|
while (curr && !curr->HasDirtyDescendantsForServo()) {
|
|
curr->SetHasDirtyDescendantsForServo();
|
|
curr = curr->GetFlattenedTreeParentElementForStyle();
|
|
}
|
|
|
|
if (nsIPresShell* shell = OwnerDoc()->GetShell()) {
|
|
shell->EnsureStyleFlush();
|
|
}
|
|
|
|
MOZ_ASSERT(DirtyDescendantsBitIsPropagatedForServo());
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
inline bool
|
|
Element::DirtyDescendantsBitIsPropagatedForServo()
|
|
{
|
|
Element* curr = this;
|
|
while (curr) {
|
|
if (!curr->HasDirtyDescendantsForServo()) {
|
|
return false;
|
|
}
|
|
nsINode* parentNode = curr->GetParentNode();
|
|
curr = curr->GetFlattenedTreeParentElementForStyle();
|
|
MOZ_ASSERT_IF(!curr,
|
|
parentNode == OwnerDoc() ||
|
|
parentNode == parentNode->OwnerDoc()->GetRootElement());
|
|
}
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_dom_ElementInlines_h
|