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* Copyright (C) 2014 Google Inc. All rights reserved.
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* modification, are permitted provided that the following conditions are
* met:
*
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*/
#ifndef HTMLImportState_h
#define HTMLImportState_h
#include "wtf/Assertions.h"
namespace WebCore {
class HTMLImportState {
public:
enum Value {
BlockingDocumentCreation = 0,
BlockingScriptExecution,
Active,
Ready,
Invalid
};
explicit HTMLImportState(Value value = BlockingDocumentCreation)
: m_value(value)
{ }
bool shouldBlockScriptExecution() const { return checkedValue() <= BlockingScriptExecution; }
bool shouldBlockDocumentCreation() const { return checkedValue() <= BlockingDocumentCreation; }
bool isReady() const { return checkedValue() == Ready; }
bool isValid() const { return m_value != Invalid; }
bool operator==(const HTMLImportState& other) const { return m_value == other.m_value; }
bool operator!=(const HTMLImportState& other) const { return !(*this == other); }
bool operator<=(const HTMLImportState& other) const { return m_value <= other.m_value; }
#if !defined(NDEBUG)
Value peekValueForDebug() const { return m_value; }
#endif
static HTMLImportState invalidState() { return HTMLImportState(Invalid); }
static HTMLImportState blockedState() { return HTMLImportState(BlockingDocumentCreation); }
private:
Value checkedValue() const;
Value m_value;
};
inline HTMLImportState::Value HTMLImportState::checkedValue() const
{
ASSERT(isValid());
return m_value;
}
}
#endif