From aad7e86a109aeec75b3772cda20478363f966745 Mon Sep 17 00:00:00 2001
From: Charles Kerr <charles.kerr@canonical.com>
Date: Wed, 22 Jan 2014 14:28:20 -0600
Subject: Alarms is going to need to know when the clock's minute changes. We
 already have a timer for that in Formatter, so move it from there to Clock
 and add a corresponding public signal Clock.minuteChanged that both Formatter
 and Alarms can use. Sync unit tests.

---
 src/date-time.cpp | 65 +++++++++++++++++++++----------------------------------
 1 file changed, 25 insertions(+), 40 deletions(-)

(limited to 'src/date-time.cpp')

diff --git a/src/date-time.cpp b/src/date-time.cpp
index 3842ac0..40c638f 100644
--- a/src/date-time.cpp
+++ b/src/date-time.cpp
@@ -76,11 +76,6 @@ int64_t DateTime::to_unix() const
     return g_date_time_to_unix(get());
 }
 
-int DateTime::day_of_year() const
-{
-    return m_dt ? g_date_time_get_day_of_year(get()) : -1;
-}
-
 void DateTime::reset(GDateTime* in)
 {
     if (in)
@@ -95,39 +90,6 @@ void DateTime::reset(GDateTime* in)
     }
 }
 
-#if 0
-DateTime& DateTime::operator=(GDateTime* in)
-{
-    reset(in);
-    return *this;
-}
-
-DateTime& DateTime::operator=(const DateTime& in)
-{
-    m_dt = in.m_dt;
-    return *this;
-}
-#endif
-
-gint64 DateTime::difference(const DateTime& that) const
-{
-    const auto dt = get();
-    const auto tdt = that.get();
-
-    gint64 ret;
-
-    if (dt && tdt)
-        ret = g_date_time_difference(dt, tdt);
-    else if (dt)
-        ret = to_unix();
-    else if (tdt)
-        ret = that.to_unix();
-    else
-        ret = 0;
-
-    return ret;
-}
-
 bool DateTime::operator<(const DateTime& that) const
 {
     return g_date_time_compare(get(), that.get()) < 0;
@@ -141,13 +103,36 @@ bool DateTime::operator!=(const DateTime& that) const
 
 bool DateTime::operator==(const DateTime& that) const
 {
-    GDateTime * dt = get();
-    GDateTime * tdt = that.get();
+    auto dt = get();
+    auto tdt = that.get();
     if (!dt && !tdt) return true;
     if (!dt || !tdt) return false;
     return g_date_time_compare(get(), that.get()) == 0;
 }
 
+bool DateTime::is_same_day(const DateTime& a, const DateTime& b)
+{
+    // it's meaningless to compare uninitialized dates
+    if (!a.m_dt || !b.m_dt)
+        return false;
+
+    const auto adt = a.get();
+    const auto bdt = b.get();
+    return (g_date_time_get_year(adt) == g_date_time_get_year(bdt))
+        && (g_date_time_get_day_of_year(adt) == g_date_time_get_day_of_year(bdt));
+}
+
+bool DateTime::is_same_minute(const DateTime& a, const DateTime& b)
+{
+    if (!is_same_day(a,b))
+        return false;
+
+    const auto adt = a.get();
+    const auto bdt = b.get();
+    return (g_date_time_get_hour(adt) == g_date_time_get_hour(bdt))
+        && (g_date_time_get_minute(adt) == g_date_time_get_minute(bdt));
+}
+
 /***
 ****
 ***/
-- 
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