/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU
 
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The above copyright notice and this permission notice shall be included in
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THE SOFTWARE.
****************************************************************************/
#pragma once

#include "core/refcounted.h"
#include "threading/android/androidEvent.h"
#include "threading/threadid.h"
#include "threading/ThreadRuntimeInfo.h"
#include "system/cpu.h"
#include "util/localstringatomtable.h"

//------------------------------------------------------------------------------
namespace Android
{
class AndroidThread : public Core::RefCounted
{
    __DeclareClass(AndroidThread);
public:
    /// thread priorities
    enum Priority
    {
        Low,
        Normal,
        High,
    };

    /// constructor
    AndroidThread();
    /// destructor
    virtual ~AndroidThread();
    /// set the thread priority
    void SetPriority(Priority p);
    /// get the thread priority
    Priority GetPriority() const;
    /// set cpu core on which the thread should be running
    void SetCoreId(System::Cpu::CoreId coreId);
    /// get the cpu core on which the thread should be running
    System::Cpu::CoreId GetCoreId() const;
    /// set stack size in bytes (default is 4 KByte)
    void SetStackSize(SizeT s);
    /// get stack size
    SizeT GetStackSize() const;
    /// set thread name
    void SetName(const Util::String& n);
    /// get thread name
    const Util::String& GetName() const;

    /// start executing the thread code, returns when thread has actually started
    void Start();
    /// request threading code to stop, returns when thread has actually finished
    void Stop();
    /// return true if thread has been started
    bool IsRunning() const;
    
    /// yield the thread (gives up current time slice)
    static void YieldThread();
    
	/// 设置线程独立的运行时环境,每个线程只允许调用一次。主线程必须在工作线程和创建对象之前调用。工作线程必须在刚刚启动和创建对象之前调用。
    static void SetupMyThreadRunTime( const char* threadName );

	/// 必须在线程销毁时调用.主线程必须最后调用
	static void DestoryThreadRunTime( bool isMainThread = false );

    /// obtain name of thread from within thread context
    static const char* GetMyThreadName();
    /// get the thread ID of this thread
    static Threading::ThreadId GetMyThreadId();
    
    #if NEBULA3_DEBUG
    struct ThreadDebugInfo
    {
        Util::String threadName;
        AndroidThread::Priority threadPriority;
        System::Cpu::CoreId threadCoreId;
        SizeT threadStackSize;
    };
    /// query thread stats (debug mode only)
    static Util::Array<ThreadDebugInfo> GetRunningThreadDebugInfos();        
    #endif

protected:
    /// override this method if your thread loop needs a wakeup call before stopping
    virtual void EmitWakeupSignal();
    /// this method runs in the thread context
    virtual void DoWork();
    /// check if stop is requested, call from DoWork() to see if the thread proc should quit
    bool ThreadStopRequested() const;

private:
  
	static void* ThreadProc(void* self);
   
	pthread_t threadHandle;
    
    AndroidEvent threadStartedEvent;
    AndroidEvent stopRequestEvent;
    Priority priority;
    SizeT stackSize;
    Util::String name;
    System::Cpu::CoreId coreId;

    #if NEBULA3_DEBUG
    static Threading::CriticalSection criticalSection;
    static Util::List<AndroidThread*> ThreadList;
    Util::List<AndroidThread*>::Iterator threadListIterator;
    #endif
};

//------------------------------------------------------------------------------
/**
*/
inline void
AndroidThread::SetPriority(Priority p)
{
    this->priority = p;
}

//------------------------------------------------------------------------------
/**
*/
inline AndroidThread::Priority
AndroidThread::GetPriority() const
{
    return this->priority;
}

//------------------------------------------------------------------------------
/**
*/
inline void
AndroidThread::SetStackSize(SizeT s)
{
    this->stackSize = s;
}

//------------------------------------------------------------------------------
/**
*/
inline SizeT
AndroidThread::GetStackSize() const
{
    return this->stackSize;
}

//------------------------------------------------------------------------------
/**
    If the derived DoWork() method is running in a loop it must regularly
    check if the process wants the thread to terminate by calling
    ThreadStopRequested() and simply return if the result is true. This
    will cause the thread to shut down.
*/
inline bool
AndroidThread::ThreadStopRequested() const
{
    return this->stopRequestEvent.Peek();
}

//------------------------------------------------------------------------------
/**
    Set the thread's name. To obtain the current thread's name from anywhere
    in the thread's execution context, call the static method
    Thread::GetMyThreadName().
*/
inline void
AndroidThread::SetName(const Util::String& n)
{
    n_assert(n.IsValid());
    this->name = n;
}

//------------------------------------------------------------------------------
/**
    Get the thread's name. This is the vanilla method which
    returns the name member. To obtain the current thread's name from anywhere
    in the thread's execution context, call the static method
    Thread::GetMyThreadName().
*/
inline const Util::String&
AndroidThread::GetName() const
{
    return this->name;
}

//------------------------------------------------------------------------------
/**
*/
inline void
AndroidThread::SetCoreId(System::Cpu::CoreId id)
{
    this->coreId = id;
}

//------------------------------------------------------------------------------
/**
*/
inline System::Cpu::CoreId
AndroidThread::GetCoreId() const
{
    return this->coreId;
}

//------------------------------------------------------------------------

}; // namespace Win360
//------------------------------------------------------------------------------