evdev: implement _evdev_keyboard_event_fd_read() to read/process key event(s) from...

Change-Id: I29bce2f5d59d989a4ed21e12b084b2cddce7edfe
Signed-off-by: Sung-Jin Park <sj76.park@samsung.com>

diff --git a/src/lib/evdev/evdev.c b/src/lib/evdev/evdev.c
index 719c086..3ad1b50 100644 (file)
--- a/src/lib/evdev/evdev.c
+++ b/src/lib/evdev/evdev.c
@@ -25,15 +25,61 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <stdint.h>
 
 #include <evdev-internal.h>
 #include <pepper-evdev.h>
 #include <pepper-input-backend.h>
 
+#ifdef EVENT_MAX
+#undef EVENT_MAX
+#endif
+#define EVENT_MAX 32
+
+static void
+_evdev_keyboard_event_process(struct input_event *ev, evdev_device_info_t *device_info)
+{
+       switch (ev->type)
+       {
+               case EV_KEY:
+                       /* TODO : add an event into the event queue */
+                       break;
+
+               case EV_SYN:
+                       /* TODO : flush events from the event queue */
+                       break;
+
+               default:
+                       break;
+       }
+}
+
 static int
-_evdev_keyboard_event_fd_read(int fd, unsigned int mask, void *data)
+_evdev_keyboard_event_fd_read(int fd, uint32_t mask, void *data)
 {
-       /* FIXME : read events from given fd and create pepper key event(s) */
+       uint32_t i;
+       int nread;
+       struct input_event ev[EVENT_MAX];
+       evdev_device_info_t *device_info = (evdev_device_info_t *)data;
+
+       PEPPER_CHECK(mask & (WL_EVENT_HANGUP | WL_EVENT_ERROR),
+                                       return 0,
+                                       "[%s] With the given fd, there is an error or it's been hung-up.\n",
+                                       __FUNCTION__);
+
+       if (!(mask & WL_EVENT_READABLE))
+               return 0;
+
+       nread = read(fd, &ev, sizeof(ev));
+       PEPPER_CHECK(nread>=0, return 0, "[%s] Failed on reading given fd. (error : %s, fd:%d)\n",
+                                       __FUNCTION__, strerror(errno), fd);
+
+       for (i = 0 ; i < (nread / sizeof(ev[0])); i++)
+       {
+               _evdev_keyboard_event_process(&ev[i], device_info);
+       }
 
        return 0;
 }
@@ -42,7 +88,7 @@ static int
 _evdev_keyboard_device_open(pepper_evdev_t *evdev, const char *path)
 {
        int fd;
-       unsigned int event_mask;
+       uint32_t event_mask;
        evdev_device_info_t *device_info = NULL;
        pepper_input_device_t *device = NULL;