nsitimer.h

linux下的一款播放器

/*
 * DO NOT EDIT.  THIS FILE IS GENERATED FROM d:/mozilla/xpcom/threads/nsITimer.idl
 */

#ifndef __gen_nsITimer_h__
#define __gen_nsITimer_h__


#ifndef __gen_nsISupports_h__
#include "nsISupports.h"
#endif

/* For IDL files that don't want to include root IDL files. */
#ifndef NS_NO_VTABLE
#define NS_NO_VTABLE
#endif
class nsIObserver; /* forward declaration */

/**
 * The signature of the timer callback function passed to initWithCallback. This
 * is the function that will get called when the timer expires if the timer is 
 * initialized via initWithCallback.
 *
 * @param aTimer the timer which has expired
 * @param aClosure opaque parameter passed to initWithCallback
 *
 * Implementers should return the following:
 *
 * @return NS_OK
 *
 */
class nsITimer;
typedef void (*nsTimerCallbackFunc) (nsITimer *aTimer, void *aClosure);
/**
 * The callback interface for timers.
 */
class nsITimer; /* forward declaration */


/* starting interface:    nsITimerCallback */
#define NS_ITIMERCALLBACK_IID_STR "a796816d-7d47-4348-9ab8-c7aeb3216a7d"

#define NS_ITIMERCALLBACK_IID \
  {0xa796816d, 0x7d47, 0x4348, \
    { 0x9a, 0xb8, 0xc7, 0xae, 0xb3, 0x21, 0x6a, 0x7d }}

class NS_NO_VTABLE nsITimerCallback : public nsISupports {
 public: 

  NS_DEFINE_STATIC_IID_ACCESSOR(NS_ITIMERCALLBACK_IID)

  /**
   * @param aTimer the timer which has expired
   */
  /* void notify (in nsITimer timer); */
  NS_IMETHOD Notify(nsITimer *timer) = 0;

};

/* Use this macro when declaring classes that implement this interface. */
#define NS_DECL_NSITIMERCALLBACK \
  NS_IMETHOD Notify(nsITimer *timer); 

/* Use this macro to declare functions that forward the behavior of this interface to another object. */
#define NS_FORWARD_NSITIMERCALLBACK(_to) \
  NS_IMETHOD Notify(nsITimer *timer) { return _to Notify(timer); } 

/* Use this macro to declare functions that forward the behavior of this interface to another object in a safe way. */
#define NS_FORWARD_SAFE_NSITIMERCALLBACK(_to) \
  NS_IMETHOD Notify(nsITimer *timer) { return !_to ? NS_ERROR_NULL_POINTER : _to->Notify(timer); } 

#if 0
/* Use the code below as a template for the implementation class for this interface. */

/* Header file */
class nsTimerCallback : public nsITimerCallback
{
public:
  NS_DECL_ISUPPORTS
  NS_DECL_NSITIMERCALLBACK

  nsTimerCallback();
  virtual ~nsTimerCallback();
  /* additional members */
};

/* Implementation file */
NS_IMPL_ISUPPORTS1(nsTimerCallback, nsITimerCallback)

nsTimerCallback::nsTimerCallback()
{
  /* member initializers and constructor code */
}

nsTimerCallback::~nsTimerCallback()
{
  /* destructor code */
}

/* void notify (in nsITimer timer); */
NS_IMETHODIMP nsTimerCallback::Notify(nsITimer *timer)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* End of implementation class template. */
#endif


/* starting interface:    nsITimer */
#define NS_ITIMER_IID_STR "29ee628e-a3ea-471f-965d-dc9f11d1c183"

#define NS_ITIMER_IID \
  {0x29ee628e, 0xa3ea, 0x471f, \
    { 0x96, 0x5d, 0xdc, 0x9f, 0x11, 0xd1, 0xc1, 0x83 }}

/**
 * The callback interface for timers.
 */
class NS_NO_VTABLE nsITimer : public nsISupports {
 public: 

  NS_DEFINE_STATIC_IID_ACCESSOR(NS_ITIMER_IID)

  /**
 * nsITimer instances must be initialized by calling one of the "init" methods
 * documented below.  You may also re-initialize an existing instance with new
 * delay to avoid the overhead of destroying and creating a timer.  It is not
 * necessary to cancel the timer in that case.
 */
/**
   * Type of a timer that fires once only.
   */
  enum { TYPE_ONE_SHOT = 0 };

  /**
   * After firing, a TYPE_REPEATING_SLACK timer is stopped and not restarted
   * until its callback completes.  Specified timer period will be at least
   * the time between when processing for last firing the callback completes
   * and when the next firing occurs.
   *
   * This is the preferable repeating type for most situations.
   */
  enum { TYPE_REPEATING_SLACK = 1 };

  /**
   * An TYPE_REPEATING_PRECISE repeating timer aims to have constant period
   * between firings.  The processing time for each timer callback should not
   * influence the timer period.  However, if the processing for the last
   * timer firing could not be completed until just before the next firing
   * occurs, then you could have two timer notification routines being
   * executed in quick succession.
   */
  enum { TYPE_REPEATING_PRECISE = 2 };

  /**
   * Initialize a timer that will fire after the said delay.
   * A user must keep a reference to this timer till it is 
   * is no longer needed or has been cancelled.
   *
   * @param aObserver   the callback object that observes the 
   *                    ``timer-callback'' topic with the subject being
   *                    the timer itself when the timer fires:
   *
   *                    observe(nsISupports aSubject, => nsITimer
   *                            string aTopic,        => ``timer-callback''
   *                            wstring data          =>  null
   *
   * @param aDelay      delay in milliseconds for timer to fire
   * @param aType       timer type per TYPE* consts defined above
   */
  /* void init (in nsIObserver aObserver, in unsigned long aDelay, in unsigned long aType); */
  NS_IMETHOD Init(nsIObserver *aObserver, PRUint32 aDelay, PRUint32 aType) = 0;

  /**
   * Initialize a timer to fire after the given millisecond interval.
   * This version takes a function to call and a closure to pass to
   * that function.
   *
   * @param aFunc      The function to invoke
   * @param aClosure   An opaque pointer to pass to that function
   * @param aDelay     The millisecond interval
   * @param aType      Timer type per TYPE* consts defined above
   */
  /* [noscript] void initWithFuncCallback (in nsTimerCallbackFunc aCallback, in voidPtr aClosure, in unsigned long aDelay, in unsigned long aType); */
  NS_IMETHOD InitWithFuncCallback(nsTimerCallbackFunc aCallback, void * aClosure, PRUint32 aDelay, PRUint32 aType) = 0;

  /**
   * Initialize a timer to fire after the given millisecond interval.
   * This version takes a function to call and a closure to pass to
   * that function.
   *
   * @param aFunc      nsITimerCallback interface to call when timer expires
   * @param aDelay     The millisecond interval
   * @param aType      Timer type per TYPE* consts defined above
   */
  /* void initWithCallback (in nsITimerCallback aCallback, in unsigned long aDelay, in unsigned long aType); */
  NS_IMETHOD InitWithCallback(nsITimerCallback *aCallback, PRUint32 aDelay, PRUint32 aType) = 0;

  /**
   * Cancel the timer.  This method works on all types, not just on repeating
   * timers -- you might want to cancel a TYPE_ONE_SHOT timer, and even reuse
   * it by re-initializing it (to avoid object destruction and creation costs
   * by conserving one timer instance).
   */
  /* void cancel (); */
  NS_IMETHOD Cancel(void) = 0;

  /**
   * The millisecond delay of the timeout
   */
  /* attribute unsigned long delay; */
  NS_IMETHOD GetDelay(PRUint32 *aDelay) = 0;
  NS_IMETHOD SetDelay(PRUint32 aDelay) = 0;

  /**
   * The timer type : one shot or repeating
   */
  /* attribute unsigned long type; */
  NS_IMETHOD GetType(PRUint32 *aType) = 0;
  NS_IMETHOD SetType(PRUint32 aType) = 0;

  /**
   * The opaque pointer pass to initWithCallback.
   */
  /* [noscript] readonly attribute voidPtr closure; */
  NS_IMETHOD GetClosure(void * *aClosure) = 0;

};

/* Use this macro when declaring classes that implement this interface. */
#define NS_DECL_NSITIMER \
  NS_IMETHOD Init(nsIObserver *aObserver, PRUint32 aDelay, PRUint32 aType); \
  NS_IMETHOD InitWithFuncCallback(nsTimerCallbackFunc aCallback, void * aClosure, PRUint32 aDelay, PRUint32 aType); \
  NS_IMETHOD InitWithCallback(nsITimerCallback *aCallback, PRUint32 aDelay, PRUint32 aType); \
  NS_IMETHOD Cancel(void); \
  NS_IMETHOD GetDelay(PRUint32 *aDelay); \
  NS_IMETHOD SetDelay(PRUint32 aDelay); \
  NS_IMETHOD GetType(PRUint32 *aType); \
  NS_IMETHOD SetType(PRUint32 aType); \
  NS_IMETHOD GetClosure(void * *aClosure); 

/* Use this macro to declare functions that forward the behavior of this interface to another object. */
#define NS_FORWARD_NSITIMER(_to) \
  NS_IMETHOD Init(nsIObserver *aObserver, PRUint32 aDelay, PRUint32 aType) { return _to Init(aObserver, aDelay, aType); } \
  NS_IMETHOD InitWithFuncCallback(nsTimerCallbackFunc aCallback, void * aClosure, PRUint32 aDelay, PRUint32 aType) { return _to InitWithFuncCallback(aCallback, aClosure, aDelay, aType); } \
  NS_IMETHOD InitWithCallback(nsITimerCallback *aCallback, PRUint32 aDelay, PRUint32 aType) { return _to InitWithCallback(aCallback, aDelay, aType); } \
  NS_IMETHOD Cancel(void) { return _to Cancel(); } \
  NS_IMETHOD GetDelay(PRUint32 *aDelay) { return _to GetDelay(aDelay); } \
  NS_IMETHOD SetDelay(PRUint32 aDelay) { return _to SetDelay(aDelay); } \
  NS_IMETHOD GetType(PRUint32 *aType) { return _to GetType(aType); } \
  NS_IMETHOD SetType(PRUint32 aType) { return _to SetType(aType); } \
  NS_IMETHOD GetClosure(void * *aClosure) { return _to GetClosure(aClosure); } 

/* Use this macro to declare functions that forward the behavior of this interface to another object in a safe way. */
#define NS_FORWARD_SAFE_NSITIMER(_to) \
  NS_IMETHOD Init(nsIObserver *aObserver, PRUint32 aDelay, PRUint32 aType) { return !_to ? NS_ERROR_NULL_POINTER : _to->Init(aObserver, aDelay, aType); } \
  NS_IMETHOD InitWithFuncCallback(nsTimerCallbackFunc aCallback, void * aClosure, PRUint32 aDelay, PRUint32 aType) { return !_to ? NS_ERROR_NULL_POINTER : _to->InitWithFuncCallback(aCallback, aClosure, aDelay, aType); } \
  NS_IMETHOD InitWithCallback(nsITimerCallback *aCallback, PRUint32 aDelay, PRUint32 aType) { return !_to ? NS_ERROR_NULL_POINTER : _to->InitWithCallback(aCallback, aDelay, aType); } \
  NS_IMETHOD Cancel(void) { return !_to ? NS_ERROR_NULL_POINTER : _to->Cancel(); } \
  NS_IMETHOD GetDelay(PRUint32 *aDelay) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetDelay(aDelay); } \
  NS_IMETHOD SetDelay(PRUint32 aDelay) { return !_to ? NS_ERROR_NULL_POINTER : _to->SetDelay(aDelay); } \
  NS_IMETHOD GetType(PRUint32 *aType) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetType(aType); } \
  NS_IMETHOD SetType(PRUint32 aType) { return !_to ? NS_ERROR_NULL_POINTER : _to->SetType(aType); } \
  NS_IMETHOD GetClosure(void * *aClosure) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetClosure(aClosure); } 

#if 0
/* Use the code below as a template for the implementation class for this interface. */

/* Header file */
class nsTimer : public nsITimer
{
public:
  NS_DECL_ISUPPORTS
  NS_DECL_NSITIMER

  nsTimer();
  virtual ~nsTimer();
  /* additional members */
};

/* Implementation file */
NS_IMPL_ISUPPORTS1(nsTimer, nsITimer)

nsTimer::nsTimer()
{
  /* member initializers and constructor code */
}

nsTimer::~nsTimer()
{
  /* destructor code */
}

/* void init (in nsIObserver aObserver, in unsigned long aDelay, in unsigned long aType); */
NS_IMETHODIMP nsTimer::Init(nsIObserver *aObserver, PRUint32 aDelay, PRUint32 aType)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* [noscript] void initWithFuncCallback (in nsTimerCallbackFunc aCallback, in voidPtr aClosure, in unsigned long aDelay, in unsigned long aType); */
NS_IMETHODIMP nsTimer::InitWithFuncCallback(nsTimerCallbackFunc aCallback, void * aClosure, PRUint32 aDelay, PRUint32 aType)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* void initWithCallback (in nsITimerCallback aCallback, in unsigned long aDelay, in unsigned long aType); */
NS_IMETHODIMP nsTimer::InitWithCallback(nsITimerCallback *aCallback, PRUint32 aDelay, PRUint32 aType)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* void cancel (); */
NS_IMETHODIMP nsTimer::Cancel()
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* attribute unsigned long delay; */
NS_IMETHODIMP nsTimer::GetDelay(PRUint32 *aDelay)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsTimer::SetDelay(PRUint32 aDelay)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* attribute unsigned long type; */
NS_IMETHODIMP nsTimer::GetType(PRUint32 *aType)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsTimer::SetType(PRUint32 aType)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* [noscript] readonly attribute voidPtr closure; */
NS_IMETHODIMP nsTimer::GetClosure(void * *aClosure)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* End of implementation class template. */
#endif

#define NS_TIMER_CONTRACTID "@mozilla.org/timer;1"
#define NS_TIMER_CALLBACK_TOPIC "timer-callback"

#endif /* __gen_nsITimer_h__ */