/*
* Copyright (C) 2014 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PromiseTracker_h
#define PromiseTracker_h
#include "bindings/v8/custom/V8PromiseCustom.h"
#include "bindings/v8/ScriptObjectTraits.h"
#include "core/inspector/ScriptCallStack.h"
#include "wtf/HashMap.h"
#include "wtf/Noncopyable.h"
#include "wtf/RefPtr.h"
namespace WebCore {
class ExecutionContext;
class PromiseTracker {
WTF_MAKE_NONCOPYABLE(PromiseTracker);
public:
PromiseTracker() : m_isEnabled(false) { }
bool isEnabled() const { return m_isEnabled; }
void enable();
void disable();
void clear();
void didCreatePromise(const ScriptObject& promise);
void didUpdatePromiseParent(const ScriptObject& promise, const ScriptObject& parentPromise);
void didUpdatePromiseState(const ScriptObject& promise, V8PromiseCustom::PromiseState, const ScriptValue& result);
private:
class PromiseData : public RefCounted<PromiseData> {
public:
PromiseData(const ScriptObject& promise, const ScriptObject& parentPromise, const ScriptValue& result, V8PromiseCustom::PromiseState state, double timestamp);
void didSettlePromise(double timestamp);
ScriptObject m_promise;
ScriptObject m_parentPromise;
ScriptValue m_result;
V8PromiseCustom::PromiseState m_state;
// Time in milliseconds.
double m_timeOnCreate;
double m_timeOnSettle;
RefPtr<ScriptCallStack> m_callStackOnCreate;
RefPtr<ScriptCallStack> m_callStackOnSettle;
};
bool m_isEnabled;
typedef HashMap<ScriptObject, RefPtr<PromiseData>, ScriptObjectHash, ScriptObjectHashTraits> PromiseDataMap;
PromiseDataMap m_promiseDataMap;
};
} // namespace WebCore
#endif // !defined(PromiseTracker_h)