diff options
Diffstat (limited to 'Source/WebCore/bindings/v8/RetainedDOMInfo.cpp')
-rw-r--r-- | Source/WebCore/bindings/v8/RetainedDOMInfo.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/Source/WebCore/bindings/v8/RetainedDOMInfo.cpp b/Source/WebCore/bindings/v8/RetainedDOMInfo.cpp new file mode 100644 index 0000000..ba64263 --- /dev/null +++ b/Source/WebCore/bindings/v8/RetainedDOMInfo.cpp @@ -0,0 +1,85 @@ +/* + * Copyright (C) 2011 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 "RetainedDOMInfo.h" + +#include "Node.h" + +namespace WebCore { + +RetainedDOMInfo::RetainedDOMInfo(Node* root) + : m_root(root) +{ + ASSERT(m_root); +} + +RetainedDOMInfo::~RetainedDOMInfo() +{ +} + +void RetainedDOMInfo::Dispose() +{ + delete this; +} + +bool RetainedDOMInfo::IsEquivalent(v8::RetainedObjectInfo* other) +{ + ASSERT(other); + return other == this || static_cast<WebCore::RetainedObjectInfo*>(other)->GetEquivalenceClass() == this->GetEquivalenceClass(); +} + +intptr_t RetainedDOMInfo::GetHash() +{ + return reinterpret_cast<intptr_t>(m_root); +} + +const char* RetainedDOMInfo::GetLabel() +{ + return m_root->inDocument() ? "Document DOM tree" : "Detached DOM tree"; +} + +intptr_t RetainedDOMInfo::GetElementCount() +{ + intptr_t count = 1; + Node* current = m_root; + while (current) { + current = current->traverseNextNode(m_root); + ++count; + } + return count; +} + +intptr_t RetainedDOMInfo::GetEquivalenceClass() +{ + return reinterpret_cast<intptr_t>(m_root); +} + +} // namespace WebCore |