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-rw-r--r--WebCore/bindings/v8/ScriptState.h114
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diff --git a/WebCore/bindings/v8/ScriptState.h b/WebCore/bindings/v8/ScriptState.h
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--- a/WebCore/bindings/v8/ScriptState.h
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-/*
- * Copyright (C) 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 ScriptState_h
-#define ScriptState_h
-
-#include "DOMWrapperWorld.h"
-#include <v8.h>
-#include <wtf/Noncopyable.h>
-#include <wtf/RefCounted.h>
-
-namespace WebCore {
-class DOMWrapperWorld;
-class Frame;
-class Node;
-class Page;
-
-class ScriptState : public Noncopyable {
-public:
- bool hadException() { return !m_exception.IsEmpty(); }
- void setException(v8::Local<v8::Value> exception)
- {
- m_exception = exception;
- }
- v8::Local<v8::Value> exception() { return m_exception; }
-
- v8::Local<v8::Context> context() const
- {
- return v8::Local<v8::Context>::New(m_context);
- }
-
- static ScriptState* forContext(v8::Local<v8::Context>);
- static ScriptState* current();
-
-protected:
- ScriptState() { }
- ~ScriptState();
-
-private:
- friend ScriptState* mainWorldScriptState(Frame*);
- explicit ScriptState(v8::Handle<v8::Context>);
-
- static void weakReferenceCallback(v8::Persistent<v8::Value> object, void* parameter);
-
- v8::Local<v8::Value> m_exception;
- v8::Persistent<v8::Context> m_context;
-};
-
-class EmptyScriptState : public ScriptState {
-public:
- EmptyScriptState() : ScriptState() { }
- ~EmptyScriptState() { }
-};
-
-class ScriptStateProtectedPtr : public Noncopyable {
-public:
- ScriptStateProtectedPtr() : m_scriptState(0) { }
- ScriptStateProtectedPtr(ScriptState* scriptState) : m_scriptState(scriptState)
- {
- v8::HandleScope handleScope;
- // Keep the context from being GC'ed. ScriptState is guaranteed to be live while the context is live.
- m_context = v8::Persistent<v8::Context>::New(scriptState->context());
- }
- ~ScriptStateProtectedPtr()
- {
- if (!m_context.IsEmpty()) {
- m_context.Dispose();
- m_context.Clear();
- }
- }
- ScriptState* get() const { return m_scriptState; }
-private:
- ScriptState* m_scriptState;
- v8::Persistent<v8::Context> m_context;
-};
-
-ScriptState* mainWorldScriptState(Frame*);
-
-ScriptState* scriptStateFromNode(DOMWrapperWorld*, Node*);
-ScriptState* scriptStateFromPage(DOMWrapperWorld*, Page*);
-
-inline DOMWrapperWorld* debuggerWorld() { return mainThreadNormalWorld(); }
-inline DOMWrapperWorld* pluginWorld() { return mainThreadNormalWorld(); }
-
-}
-
-#endif // ScriptState_h