X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2Fmoof%2Ftimer.hh;h=90c53ceb034452208b6262aeb039938ea650369f;hp=a86f445d4168a9e2b19073a88593cc4790d9e9a0;hb=d6990468d297a6cbee98e4d0d33ab37e1b2352c9;hpb=6b0a0d0efafe34d48ab344fca3b479553bd4e62c

diff --git a/src/moof/timer.hh b/src/moof/timer.hh
index a86f445..90c53ce 100644
--- a/src/moof/timer.hh
+++ b/src/moof/timer.hh
@@ -19,9 +19,11 @@
 
 #include <boost/bind.hpp>
 #include <boost/function.hpp>
+#include <boost/noncopyable.hpp>
 
 #include <moof/hash.hh>
 #include <moof/math.hh>
+#include <moof/runloop.hh>
 
 
 namespace moof {
@@ -33,7 +35,7 @@ namespace moof {
  * runloop associated with the current running view will make an attempt to
  * fire any expired timers as close to their scheduled times as possible.
  */
-class timer
+class timer : public boost::noncopyable
 {
 public:
 
@@ -79,9 +81,12 @@ public:
 	 * again at that many seconds from the expiration time.  A repeating
 	 * timer can be invalidated manually using invalidate().
 	 */
-	timer(const function& function, scalar seconds, mode mode = relative)
+	timer(const function& function,
+		  scalar seconds,
+		  mode mode = relative,
+		  runloop* runloop = runloop::current())
 	{
-		init(function, seconds, mode);
+		init(function, seconds, mode, runloop);
 	}
 
 	/**
@@ -113,7 +118,8 @@ public:
 	 */
 	void init(const function& function,
 			  scalar seconds,
-			  mode mode = relative);
+			  mode mode = relative,
+			  runloop* runloop = runloop::current());
 
 	
 	/**
@@ -121,7 +127,10 @@ public:
 	 * still scheduled to expired.  You can get the time remaining from
 	 * seconds_remaining().
 	 */
-	bool is_valid() const;
+	bool is_valid() const
+	{
+		return mode_ != invalid;
+	}
 
 	/**
 	 * Manually invalidated the timer, removing any schedule such that the
@@ -136,17 +145,47 @@ public:
 	 * prematurely.  If the timer is scheduled, it will be invalidated.  If
 	 * the timer is already invalid (but is initialized with an event
 	 * handler), the event will be fired and the timer will remain invalid.
+	 * \param t The absolute time passed to the timer event function.
 	 */
-	void fire();
+	void fire(scalar t = ticks());
+
+
+	/**
+	 * Fire the timer event if it is expired.
+	 * \param t The absolute time used as a reference to determine if the
+	 * timer is expired; defaults to the current time.
+	 * \return The absolute time of the next expiration (if repeating), or
+	 * 0.0 otherwise.
+	 */
+	scalar fire_if_expired(scalar t = ticks())
+	{
+		if (is_expired()) fire();
+		return absolute_;
+	}
 
 
 	/**
 	 * Get the number of seconds remaining before the timer is scheduled to
 	 * expired.  If the timer is invalid, the retured value will be
 	 * negative.
+	 * \param t The absolute time used as a reference to determine the
+	 * amount of time left; defaults to the current time.
+	 * \return Seconds.
+	 */
+	scalar seconds_remaining(scalar t = ticks()) const
+	{
+		return next_expiration() - t;
+	}
+
+	/**
+	 * Get the absolute time of the next expiration of this timer.
 	 * \return Seconds.
 	 */
-	scalar seconds_remaining() const;
+	scalar next_expiration() const
+	{
+		return absolute_;
+	}
+
 
 	/**
 	 * Get whether or not the timer is expired.  A timer on a repeating
@@ -154,15 +193,23 @@ public:
 	 * expiration time in the future.  If the timer is expired but not
 	 * invalid, the timer event has not yet fired; the timer will be
 	 * invalidated when it does fire.
+	 * \param t The absolute time used as a reference to determine if the
+	 * timer is expired; defaults to the current time.
 	 * \return True if the timer is expired, false otherwise.
 	 */
-	bool is_expired() const;
+	bool is_expired(scalar t = ticks()) const
+	{
+		return seconds_remaining(t) < SCALAR(0.0);
+	}
 
 	/**
 	 * Get whether or not the timer is on a repeating schedule.
 	 * \return True if the timer is repeating, false otherwise.
 	 */
-	bool is_repeating() const;
+	bool is_repeating() const
+	{
+		return mode_ == repeat;
+	}
 
 
 	/**
@@ -187,42 +234,13 @@ public:
 	static void sleep(scalar seconds, mode mode = relative);
 
 
-	/**
-	 * Get the absolute time when the next timer is scheduled to expire.
-	 * \return Absolute time, in seconds.
-	 */
-	static scalar next_expiration()
-	{
-		return next_expiration_;
-	}
-
-
-	/**
-	 * Fire any timers which are not yet invalidated but have an expiration
-	 * time in the past.
-	 */
-	static void fire_expired_timers();
-
-	/**
-	 * Fire any timers which are not yet invalidated but have an expiration
-	 * time before a given absolute time.
-	 */
-	static void fire_expired_timers(scalar t);
-
-
 private:
 
-	static unsigned new_identifier();
-	static scalar find_next_expiration();
-
 	function	function_;
 	mode		mode_;
 	scalar		absolute_;
 	scalar		interval_;
-	unsigned	id_;
-
-	static scalar								next_expiration_;
-	static hash<unsigned,timer*,hash_function>	timers_;
+	runloop*	runloop_;
 };