ivi-controller: add timespec_to_msec inline function

In weston 4.0, input grab functions are using
timespec structs for time information instead
of integers. Therefore, we have to convert them.

Signed-off-by: Emre Ucan <eucan@de.adit-jv.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/weston-ivi-shell/src/ivi-controller.h b/weston-ivi-shell/src/ivi-controller.h
index 7c82fc4..fe82597 100644
--- a/weston-ivi-shell/src/ivi-controller.h
+++ b/weston-ivi-shell/src/ivi-controller.h
@@ -26,6 +26,19 @@
 #include "ivi-wm-server-protocol.h"
 #include <weston/ivi-layout-export.h>
 
+/* Convert timespec to milliseconds
+ *
+ * \param a timespec
+ * \return milliseconds
+ *
+ * Rounding to integer milliseconds happens always down (floor()).
+ */
+static inline int64_t
+timespec_to_msec(const struct timespec *a)
+{
+	return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
+}
+
 struct ivisurface {
     struct wl_list link;
     struct ivishell *shell;