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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef AsyncCallChainMap_h
#define AsyncCallChainMap_h
#include "core/inspector/AsyncCallChain.h"
#include "core/inspector/InspectorDebuggerAgent.h"
#include "platform/heap/Handle.h"
#include "wtf/HashMap.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
namespace blink {
template <class K>
class AsyncCallChainMap final {
ALLOW_ONLY_INLINE_ALLOCATION();
public:
using MapType = WillBeHeapHashMap<K, RefPtrWillBeMember<AsyncCallChain>>;
explicit AsyncCallChainMap(InspectorDebuggerAgent* debuggerAgent)
: m_debuggerAgent(debuggerAgent)
{
}
~AsyncCallChainMap()
{
// Verify that this object has been explicitly disposed.
ASSERT(hasBeenDisposed());
}
#if ENABLE(ASSERT)
bool hasBeenDisposed() const
{
return !m_debuggerAgent;
}
#endif
void dispose()
{
clear();
m_debuggerAgent = nullptr;
}
void clear()
{
ASSERT(m_debuggerAgent);
for (auto it : m_asyncCallChains)
m_debuggerAgent->didCompleteAsyncOperation(it.value.get());
m_asyncCallChains.clear();
}
void set(typename MapType::KeyPeekInType key, PassRefPtrWillBeRawPtr<AsyncCallChain> chain)
{
m_asyncCallChains.set(key, chain);
}
bool contains(typename MapType::KeyPeekInType key) const
{
return m_asyncCallChains.contains(key);
}
PassRefPtrWillBeRawPtr<AsyncCallChain> get(typename MapType::KeyPeekInType key) const
{
return m_asyncCallChains.get(key);
}
void remove(typename MapType::KeyPeekInType key)
{
ASSERT(m_debuggerAgent);
RefPtrWillBeRawPtr<AsyncCallChain> chain = m_asyncCallChains.take(key);
if (chain)
m_debuggerAgent->didCompleteAsyncOperation(chain.get());
}
void trace(Visitor* visitor)
{
visitor->trace(m_debuggerAgent);
visitor->trace(m_asyncCallChains);
}
private:
RawPtrWillBeMember<InspectorDebuggerAgent> m_debuggerAgent;
MapType m_asyncCallChains;
};
} // namespace blink
#endif // AsyncCallChainMap_h
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