| /* |
| * 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 "config.h" |
| #include "core/rendering/SubtreeLayoutScope.h" |
| |
| #include "core/page/FrameView.h" |
| #include "core/rendering/RenderObject.h" |
| |
| namespace WebCore { |
| |
| SubtreeLayoutScope::SubtreeLayoutScope(RenderObject* root) |
| : m_root(root) |
| { |
| RELEASE_ASSERT(m_root->document().view()->isInLayout()); |
| } |
| |
| SubtreeLayoutScope::~SubtreeLayoutScope() |
| { |
| // Partial layout early-exits layout and will leave the tree as needing layout. |
| if (m_root->frameView()->partialLayout().isStopping()) { |
| ASSERT(m_root->needsLayout()); |
| return; |
| } |
| |
| RELEASE_ASSERT(!m_root->needsLayout()); |
| |
| #ifndef NDEBUG |
| 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) |
| { |
| #ifndef NDEBUG |
| m_renderersToLayout.add(renderer); |
| #endif |
| } |
| |
| } |