[EGIT] [core/efl] master 13/16: elput: Add event which can be raised when devices get added or removed

[Chris Michael]

devilhorns pushed a commit to branch master.

http://git.enlightenment.org/core/efl.git/commit/?id=6c85fe751488c344f1c0cff8e9f3dd013bf5f66d

commit 6c85fe751488c344f1c0cff8e9f3dd013bf5f66d
Author: Chris Michael <cpmich...@osg.samsung.com>
Date:   Thu Apr 7 09:00:18 2016 -0400

    elput: Add event which can be raised when devices get added or removed
    
    Signed-off-by: Chris Michael <cpmich...@osg.samsung.com>
---
 src/lib/elput/Elput.h       | 14 +++++++++++++
 src/lib/elput/elput.c       |  3 +++
 src/lib/elput/elput_input.c | 50 +++++++++++++++++++++++++++++++++++++++------
 3 files changed, 61 insertions(+), 6 deletions(-)

diff --git a/src/lib/elput/Elput.h b/src/lib/elput/Elput.h
index f8808ce..385ea4e 100644
--- a/src/lib/elput/Elput.h
+++ b/src/lib/elput/Elput.h
@@ -74,10 +74,24 @@ typedef struct _Elput_Event_Modifiers_Send
    unsigned int group;
 } Elput_Event_Modifiers_Send;
 
+typedef enum _Elput_Device_Change_Type
+{
+   ELPUT_DEVICE_ADDED,
+   ELPUT_DEVICE_REMOVED,
+} Elput_Device_Change_Type;
+
+/* structure to represent event for device being added or removed */
+typedef struct _Elput_Event_Device_Change
+{
+   Elput_Device *device;
+   Elput_Device_Change_Type type;
+} Elput_Event_Device_Change;
+
 EAPI extern int ELPUT_EVENT_SEAT_CAPS;
 EAPI extern int ELPUT_EVENT_SEAT_FRAME;
 EAPI extern int ELPUT_EVENT_KEYMAP_SEND;
 EAPI extern int ELPUT_EVENT_MODIFIERS_SEND;
+EAPI extern int ELPUT_EVENT_DEVICE_CHANGE;
 
 /**
  * @file
diff --git a/src/lib/elput/elput.c b/src/lib/elput/elput.c
index f65da98..2e54b3e 100644
--- a/src/lib/elput/elput.c
+++ b/src/lib/elput/elput.c
@@ -10,6 +10,7 @@ EAPI int ELPUT_EVENT_SEAT_CAPS = -1;
 EAPI int ELPUT_EVENT_SEAT_FRAME = -1;
 EAPI int ELPUT_EVENT_KEYMAP_SEND = -1;
 EAPI int ELPUT_EVENT_MODIFIERS_SEND = -1;
+EAPI int ELPUT_EVENT_DEVICE_CHANGE = -1;
 
 EAPI int
 elput_init(void)
@@ -32,6 +33,7 @@ elput_init(void)
    ELPUT_EVENT_SEAT_FRAME = ecore_event_type_new();
    ELPUT_EVENT_KEYMAP_SEND = ecore_event_type_new();
    ELPUT_EVENT_MODIFIERS_SEND = ecore_event_type_new();
+   ELPUT_EVENT_DEVICE_CHANGE = ecore_event_type_new();
 
    return _elput_init_count;
 
@@ -57,6 +59,7 @@ elput_shutdown(void)
    ELPUT_EVENT_SEAT_FRAME = -1;
    ELPUT_EVENT_KEYMAP_SEND = -1;
    ELPUT_EVENT_MODIFIERS_SEND = -1;
+   ELPUT_EVENT_DEVICE_CHANGE = -1;
 
    eina_log_domain_unregister(_elput_log_dom);
    _elput_log_dom = -1;
diff --git a/src/lib/elput/elput_input.c b/src/lib/elput/elput_input.c
index 499efcf..6c43f2f 100644
--- a/src/lib/elput/elput_input.c
+++ b/src/lib/elput/elput_input.c
@@ -79,6 +79,41 @@ _udev_seat_get(Elput_Manager *em, struct libinput_device 
*device)
 }
 
 static void
+_device_event_cb_free(void *data EINA_UNUSED, void *event)
+{
+   Elput_Event_Device_Change *ev;
+
+   ev = event;
+
+   if (ev->type == ELPUT_DEVICE_REMOVED)
+     {
+        Elput_Seat *seat;
+
+        seat = ev->device->seat;
+        if (seat)
+          seat->devices = eina_list_remove(seat->devices, ev->device);
+
+        _evdev_device_destroy(ev->device);
+     }
+
+   free(ev);
+}
+
+static void
+_device_event_send(Elput_Device *edev, Elput_Device_Change_Type type)
+{
+   Elput_Event_Device_Change *ev;
+
+   ev = calloc(1, sizeof(Elput_Event_Device_Change));
+   if (!ev) return;
+
+   ev->device = edev;
+   ev->type = type;
+
+   ecore_event_add(ELPUT_EVENT_DEVICE_CHANGE, ev, _device_event_cb_free, NULL);
+}
+
+static void
 _device_add(Elput_Manager *em, struct libinput_device *dev)
 {
    Elput_Seat *eseat;
@@ -95,22 +130,25 @@ _device_add(Elput_Manager *em, struct libinput_device *dev)
    eina_stringshare_replace(&edev->output_name, oname);
 
    eseat->devices = eina_list_append(eseat->devices, edev);
+
+   _device_event_send(edev, ELPUT_DEVICE_ADDED);
 }
 
 static void
-_device_remove(Elput_Manager *em, struct libinput_device *device)
+_device_remove(Elput_Manager *em EINA_UNUSED, struct libinput_device *device)
 {
-   Elput_Seat *eseat;
+   /* Elput_Seat *eseat; */
    Elput_Device *edev;
 
    edev = libinput_device_get_user_data(device);
    if (!edev) return;
 
-   eseat = _udev_seat_get(em, device);
-   if (eseat)
-     eseat->devices = eina_list_remove(eseat->devices, edev);
+   /* eseat = _udev_seat_get(em, device); */
+   /* if (eseat) */
+   /*   eseat->devices = eina_list_remove(eseat->devices, edev); */
 
-   _evdev_device_destroy(edev);
+   _device_event_send(edev, ELPUT_DEVICE_REMOVED);
+   /* _evdev_device_destroy(edev); */
 }
 
 static int

--