mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
66 lines
2.5 KiB
C++
66 lines
2.5 KiB
C++
/*
|
|
* Copyright (C) 2013 Google Inc. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following disclaimer
|
|
* in the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name of Google Inc. nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "flutter/sky/engine/core/rendering/SubtreeLayoutScope.h"
|
|
|
|
#include "flutter/sky/engine/core/rendering/RenderObject.h"
|
|
|
|
namespace blink {
|
|
|
|
SubtreeLayoutScope::SubtreeLayoutScope(RenderObject& root) : m_root(root) {}
|
|
|
|
SubtreeLayoutScope::~SubtreeLayoutScope() {
|
|
RELEASE_ASSERT(!m_root.needsLayout());
|
|
|
|
#if ENABLE(ASSERT)
|
|
for (HashSet<RenderObject*>::iterator it = m_renderersToLayout.begin();
|
|
it != m_renderersToLayout.end(); ++it)
|
|
(*it)->assertRendererLaidOut();
|
|
#endif
|
|
}
|
|
|
|
void SubtreeLayoutScope::setNeedsLayout(RenderObject* descendant) {
|
|
ASSERT(descendant->isDescendantOf(&m_root));
|
|
descendant->setNeedsLayout(MarkContainingBlockChain, this);
|
|
}
|
|
|
|
void SubtreeLayoutScope::setChildNeedsLayout(RenderObject* descendant) {
|
|
ASSERT(descendant->isDescendantOf(&m_root));
|
|
descendant->setChildNeedsLayout(MarkContainingBlockChain, this);
|
|
}
|
|
|
|
void SubtreeLayoutScope::addRendererToLayout(RenderObject* renderer) {
|
|
#if ENABLE(ASSERT)
|
|
m_renderersToLayout.add(renderer);
|
|
#endif
|
|
}
|
|
|
|
} // namespace blink
|