Index: Source/bindings/v8/V8NodeFilterCondition.h |
diff --git a/Source/bindings/v8/V8NodeFilterCondition.h b/Source/bindings/v8/V8NodeFilterCondition.h |
deleted file mode 100644 |
index de42cb5c13aa8756496cd14a2ddb5331d213c609..0000000000000000000000000000000000000000 |
--- a/Source/bindings/v8/V8NodeFilterCondition.h |
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@@ -1,88 +0,0 @@ |
-/* |
- * Copyright (C) 2006, 2007, 2008, 2009 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. |
- */ |
- |
-#ifndef V8NodeFilterCondition_h |
-#define V8NodeFilterCondition_h |
- |
-#include "bindings/v8/ScopedPersistent.h" |
-#include "bindings/v8/ScriptState.h" |
-#include "core/dom/NodeFilterCondition.h" |
-#include "platform/heap/Handle.h" |
-#include <v8.h> |
-#include "wtf/PassRefPtr.h" |
- |
-namespace WebCore { |
- |
-class Node; |
-class ExceptionState; |
- |
-// V8NodeFilterCondition maintains a Javascript implemented callback for |
-// filtering Node returned by NodeIterator/TreeWalker. |
-// A NodeFilterCondition is referenced by a NodeFilter, and A NodeFilter is |
-// referenced by a NodeIterator/TreeWalker. As V8NodeFilterCondition maintains |
-// a Javascript callback which may reference Document, we need to avoid circular |
-// reference spanning V8/Blink object space. |
-// To address this issue, V8NodeFilterCondition holds a weak reference to |
-// |m_filter|, the Javascript value, and the whole reference is exposed to V8 to |
-// let V8 GC handle collection of |m_filter|. |
-// (DOM) |
-// NodeIterator ----RefPtr----> NodeFilter ----RefPtr----> NodeFilterCondition |
-// | ^ | ^ | |
-// weak | weak | ScopedPersistent(weak) |
-// | RefPtr | RefPtr | |
-// v | v | v |
-// NodeIterator --HiddenValue--> NodeFilter --HiddenValue--> JS Callback |
-// (V8) |
-class V8NodeFilterCondition FINAL : public NodeFilterCondition { |
-public: |
- static PassRefPtrWillBeRawPtr<V8NodeFilterCondition> create(v8::Handle<v8::Value> filter, v8::Handle<v8::Object> owner, ScriptState* scriptState) |
- { |
- return adoptRefWillBeNoop(new V8NodeFilterCondition(filter, owner, scriptState)); |
- } |
- |
- virtual ~V8NodeFilterCondition(); |
- |
- virtual short acceptNode(Node*, ExceptionState&) const OVERRIDE; |
- |
-private: |
- // As the value |filter| is maintained by V8GC, the |owner| which references |
- // V8NodeFilterCondition, usually a wrapper of NodeFilter, is specified here |
- // to hold a strong reference to |filter|. |
- V8NodeFilterCondition(v8::Handle<v8::Value> filter, v8::Handle<v8::Object> owner, ScriptState*); |
- |
- static void setWeakCallback(const v8::WeakCallbackData<v8::Value, V8NodeFilterCondition>&); |
- |
- RefPtr<ScriptState> m_scriptState; |
- ScopedPersistent<v8::Value> m_filter; |
-}; |
- |
-} // namespace WebCore |
- |
-#endif // V8NodeFilterCondition_h |