#define EVENT_CH 'e'
+#if !defined(ABS_MT_TOOL_X)
+#define ABS_MT_TOOL_X 0x3c /* Center X tool position */
+#endif
+
+#if !defined(ABS_MT_TOOL_Y)
+#define ABS_MT_TOOL_Y 0x3d /* Center Y tool position */
+#endif
+
int errno;
static struct info {
int tcb_pipe[PIPE_MAX];
Ecore_Fd_Handler *event_handler;
- int (*event_cb)(enum event_state state, struct event_data *event, void *data);
- void *cbdata;
-
- enum event_state event_state;
struct event_data event_data;
- int x;
- int y;
+ Eina_List *event_listener_list;
+ Eina_List *reactivate_list;
} s_info = {
.event_list = NULL,
.handle = -1,
.event_handler = NULL,
- .event_cb = NULL,
- .cbdata = NULL,
-
- .event_state = EVENT_STATE_DEACTIVATE,
-
.event_data = {
- .x = 0,
- .y = 0,
+ .x = -1,
+ .y = -1,
.device = -1,
+ .slot = -1,
+ .keycode = 0,
},
+
+ .event_listener_list = NULL,
+ .reactivate_list = NULL,
+};
+
+struct event_listener {
+ int (*event_cb)(enum event_state state, struct event_data *event, void *data);
+ void *cbdata;
+
+ enum event_state state;
+
+#if defined(_USE_ECORE_TIME_GET)
+ double tv;
+#else
+ struct timeval tv; /* Recording Activate / Deactivate time */
+#endif
+ int x; /* RelX */
+ int y; /* RelY */
};
+static int activate_thread(void);
+
HAPI int event_init(void)
{
int ret;
{
int ret;
ret = pthread_mutex_destroy(&s_info.event_list_lock);
- if (ret != 0)
+ if (ret != 0) {
ErrPrint("Mutex destroy failed: %s\n", strerror(ret));
+ }
return LB_STATUS_SUCCESS;
}
switch (event->type) {
case EV_SYN:
switch (event->code) {
+ break;
+ case SYN_CONFIG:
+ break;
+ case SYN_MT_REPORT:
case SYN_REPORT:
if (s_info.event_data.x < 0 || s_info.event_data.y < 0) {
/* Waiting full event packet */
item = malloc(sizeof(*item));
if (item) {
- char event_ch;
+ char event_ch = EVENT_CH;
+
+#if defined(_USE_ECORE_TIME_GET)
+ s_info.event_data.tv = ecore_time_get();
+#else
+ if (gettimeofday(&s_info.event_data.tv, NULL) < 0) {
+ ErrPrint("gettimeofday: %s\n", strerror(errno));
+ }
+#endif
memcpy(item, &s_info.event_data, sizeof(*item));
s_info.event_list = eina_list_append(s_info.event_list, item);
CRITICAL_SECTION_END(&s_info.event_list_lock);
- event_ch = EVENT_CH;
if (write(s_info.evt_pipe[PIPE_WRITE], &event_ch, sizeof(event_ch)) != sizeof(event_ch)) {
ErrPrint("Unable to send an event: %s\n", strerror(errno));
return LB_STATUS_ERROR_IO;
/* Take a breathe */
pthread_yield();
+ } else {
+ ErrPrint("Heap: %s\n", strerror(errno));
+ }
+
+ if (s_info.event_data.device < 0) {
+ s_info.event_data.x = -1;
+ s_info.event_data.y = -1;
+ s_info.event_data.slot = -1;
}
- break;
- case SYN_CONFIG:
- break;
- case SYN_MT_REPORT:
break;
/*
case SYN_DROPPED:
}
break;
case EV_KEY:
+ DbgPrint("EV_KEY: 0x%X\n", event->value);
+ s_info.event_data.keycode = event->value;
break;
case EV_REL:
break;
case EV_ABS:
switch (event->code) {
case ABS_DISTANCE:
+ s_info.event_data.distance = event->value;
+ break;
+ case ABS_MT_TOOL_X:
+ case ABS_MT_TOOL_Y:
break;
case ABS_MT_POSITION_X:
- s_info.event_data.x = event->value - s_info.x;
+ s_info.event_data.x = event->value;
break;
case ABS_MT_POSITION_Y:
- s_info.event_data.y = event->value - s_info.y;
+ s_info.event_data.y = event->value;
break;
case ABS_MT_SLOT:
+ s_info.event_data.slot = event->value;
break;
case ABS_MT_TRACKING_ID:
s_info.event_data.device = event->value;
break;
case ABS_MT_TOUCH_MAJOR:
+ s_info.event_data.touch.major = event->value;
break;
case ABS_MT_TOUCH_MINOR:
+ s_info.event_data.touch.minor = event->value;
break;
case ABS_MT_WIDTH_MAJOR:
+ s_info.event_data.width.major = event->value;
break;
case ABS_MT_WIDTH_MINOR:
+ s_info.event_data.width.minor = event->value;
break;
default:
DbgPrint("EV_ABS, 0x%x\n", event->code);
static void *event_thread_main(void *data)
{
fd_set set;
- int ret = 0;
+ long ret = 0;
struct input_event input_event;
char *ptr = (char *)&input_event;
int offset = 0;
if (FD_ISSET(s_info.tcb_pipe[PIPE_READ], &set)) {
char event_ch;
- if (read(s_info.tcb_pipe[PIPE_READ], &event_ch, sizeof(event_ch)) != sizeof(event_ch))
+ if (read(s_info.tcb_pipe[PIPE_READ], &event_ch, sizeof(event_ch)) != sizeof(event_ch)) {
ErrPrint("Unable to read TCB_PIPE: %s\n", strerror(errno));
+ }
ret = LB_STATUS_ERROR_CANCEL;
break;
return (void *)ret;
}
+static inline void clear_all_listener_list(void)
+{
+ struct event_listener *listener;
+ enum event_state next_state;
+ Eina_List *l;
+ Eina_List *n;
+
+ s_info.event_handler = NULL;
+ CLOSE_PIPE(s_info.evt_pipe);
+
+ while (s_info.event_listener_list) {
+ EINA_LIST_FOREACH_SAFE(s_info.event_listener_list, l, n, listener) {
+ switch (listener->state) {
+ case EVENT_STATE_ACTIVATE:
+ next_state = EVENT_STATE_ACTIVATED;
+ break;
+ case EVENT_STATE_ACTIVATED:
+ next_state = EVENT_STATE_DEACTIVATE;
+ break;
+ case EVENT_STATE_DEACTIVATE:
+ next_state = EVENT_STATE_DEACTIVATED;
+ break;
+ case EVENT_STATE_DEACTIVATED:
+ default:
+ s_info.event_listener_list = eina_list_remove(s_info.event_listener_list, listener);
+ DbgFree(listener);
+ continue;
+ }
+
+ if (listener->event_cb(listener->state, &s_info.event_data, listener->cbdata) < 0) {
+ if (eina_list_data_find(s_info.event_listener_list, listener)) {
+ s_info.event_listener_list = eina_list_remove(s_info.event_listener_list, listener);
+ DbgFree(listener);
+ continue;
+ }
+ }
+
+ listener->state = next_state;
+ }
+ }
+}
+
static Eina_Bool event_read_cb(void *data, Ecore_Fd_Handler *handler)
{
int fd;
struct event_data *item;
char event_ch;
+ struct event_listener *listener;
+ Eina_List *l;
+ Eina_List *n;
+ enum event_state next_state;
+ enum event_state cur_state;
+ struct event_data modified_item;
fd = ecore_main_fd_handler_fd_get(handler);
if (fd < 0) {
CRITICAL_SECTION_BEGIN(&s_info.event_list_lock);
item = eina_list_nth(s_info.event_list, 0);
- if (item)
+ if (item) {
s_info.event_list = eina_list_remove(s_info.event_list, item);
- else
- ErrPrint("Unable to get event\n");
+ }
CRITICAL_SECTION_END(&s_info.event_list_lock);
- if (item && s_info.event_cb) {
- switch (s_info.event_state) {
- case EVENT_STATE_DEACTIVATE:
- s_info.event_state = EVENT_STATE_ACTIVATE;
- break;
- case EVENT_STATE_ACTIVATE:
- s_info.event_state = EVENT_STATE_ACTIVATED;
- break;
- case EVENT_STATE_ACTIVATED:
- default:
- break;
+ if (item) {
+ EINA_LIST_FOREACH_SAFE(s_info.event_listener_list, l, n, listener) {
+ switch (listener->state) {
+ case EVENT_STATE_ACTIVATE:
+#if defined(_USE_ECORE_TIME_GET)
+ if (listener->tv > item->tv) {
+ continue;
+ }
+#else
+ if (timercmp(&listener->tv, &item->tv, >)) {
+ /* Ignore previous events before activating this listener */
+ continue;
+ }
+#endif
+
+ next_state = EVENT_STATE_ACTIVATED;
+ cur_state = listener->state;
+ break;
+ case EVENT_STATE_DEACTIVATE:
+#if defined(_USE_ECORE_TIME_GET)
+ if (listener->tv > item->tv) {
+ /* Consuming all events occurred while activating this listener */
+ cur_state = EVENT_STATE_ACTIVATED;
+ next_state = EVENT_STATE_ACTIVATED;
+ break;
+ }
+#else
+ if (timercmp(&listener->tv, &item->tv, >)) {
+ /* Consuming all events occurred while activating this listener */
+ cur_state = EVENT_STATE_ACTIVATED;
+ next_state = EVENT_STATE_ACTIVATED;
+ break;
+ }
+#endif
+
+ cur_state = listener->state;
+ next_state = EVENT_STATE_DEACTIVATED;
+ break;
+ case EVENT_STATE_ACTIVATED:
+ cur_state = listener->state;
+ next_state = listener->state;
+ break;
+ case EVENT_STATE_DEACTIVATED:
+ default:
+ /* Remove this from the list */
+ /* Check the item again. the listener can be deleted from the callback */
+ if (eina_list_data_find(s_info.event_listener_list, listener)) {
+ s_info.event_listener_list = eina_list_remove(s_info.event_listener_list, listener);
+ DbgFree(listener);
+ }
+
+ continue;
+ }
+
+ memcpy(&modified_item, item, sizeof(modified_item));
+ modified_item.x -= listener->x;
+ modified_item.y -= listener->y;
+
+ if (listener->event_cb(cur_state, &modified_item, listener->cbdata) < 0) {
+ if (eina_list_data_find(s_info.event_listener_list, listener)) {
+ s_info.event_listener_list = eina_list_remove(s_info.event_listener_list, listener);
+ DbgFree(listener);
+ continue;
+ }
+ }
+
+ listener->state = next_state;
+ }
+
+ DbgFree(item);
+ }
+
+ if (s_info.handle < 0 && !s_info.event_list) {
+ /* This callback must has to clear all listeners in this case */
+ clear_all_listener_list();
+
+ EINA_LIST_FREE(s_info.reactivate_list, listener) {
+ s_info.event_listener_list = eina_list_append(s_info.event_listener_list, listener);
}
- s_info.event_cb(s_info.event_state, item, s_info.cbdata);
+
+ if (s_info.event_listener_list) {
+ if (activate_thread() < 0) {
+ EINA_LIST_FREE(s_info.event_listener_list, listener) {
+ (void)listener->event_cb(EVENT_STATE_ERROR, NULL, listener->cbdata);
+ }
+ }
+ }
+
+ return ECORE_CALLBACK_CANCEL;
}
- free(item);
return ECORE_CALLBACK_RENEW;
}
-/*!
- * x, y is the starting point.
- */
-HAPI int event_activate(int x, int y, int (*event_cb)(enum event_state state, struct event_data *event, void *data), void *data)
+static int activate_thread(void)
{
int status;
- if (s_info.handle >= 0) {
- DbgPrint("Already activated\n");
- return LB_STATUS_SUCCESS;
- }
-
s_info.handle = open(INPUT_PATH, O_RDONLY);
if (s_info.handle < 0) {
ErrPrint("Unable to access the device: %s\n", strerror(errno));
return LB_STATUS_ERROR_IO;
}
- if (fcntl(s_info.handle, F_SETFD, FD_CLOEXEC) < 0)
+ if (fcntl(s_info.handle, F_SETFD, FD_CLOEXEC) < 0) {
ErrPrint("Error: %s\n", strerror(errno));
+ }
- if (fcntl(s_info.handle, F_SETFL, O_NONBLOCK) < 0)
+ if (fcntl(s_info.handle, F_SETFL, O_NONBLOCK) < 0) {
ErrPrint("Error: %s\n", strerror(errno));
+ }
- status = pipe2(s_info.evt_pipe, O_NONBLOCK | O_CLOEXEC);
+ status = pipe2(s_info.evt_pipe, O_CLOEXEC);
if (status < 0) {
ErrPrint("Unable to prepare evt pipe: %s\n", strerror(errno));
- if (close(s_info.handle) < 0)
+ if (close(s_info.handle) < 0) {
ErrPrint("Failed to close handle: %s\n", strerror(errno));
+ }
s_info.handle = -1;
return LB_STATUS_ERROR_FAULT;
}
- status = pipe2(s_info.tcb_pipe, O_NONBLOCK | O_CLOEXEC);
+ status = pipe2(s_info.tcb_pipe, O_CLOEXEC);
if (status < 0) {
ErrPrint("Unable to prepare tcb pipe: %s\n", strerror(errno));
- if (close(s_info.handle) < 0)
+ if (close(s_info.handle) < 0) {
ErrPrint("Failed to close handle: %s\n", strerror(errno));
+ }
s_info.handle = -1;
CLOSE_PIPE(s_info.evt_pipe);
return LB_STATUS_ERROR_FAULT;
s_info.event_handler = ecore_main_fd_handler_add(s_info.evt_pipe[PIPE_READ], ECORE_FD_READ, event_read_cb, NULL, NULL, NULL);
if (!s_info.event_handler) {
- if (close(s_info.handle) < 0)
+ if (close(s_info.handle) < 0) {
ErrPrint("Failed to close handle: %s\n", strerror(errno));
+ }
s_info.handle = -1;
CLOSE_PIPE(s_info.tcb_pipe);
ecore_main_fd_handler_del(s_info.event_handler);
s_info.event_handler = NULL;
- if (close(s_info.handle) < 0)
+ if (close(s_info.handle) < 0) {
ErrPrint("close: %s\n", strerror(errno));
+ }
s_info.handle = -1;
CLOSE_PIPE(s_info.tcb_pipe);
return LB_STATUS_ERROR_FAULT;
}
- s_info.event_cb = event_cb;
- s_info.cbdata = data;
- s_info.x = x;
- s_info.y = y;
-
DbgPrint("Event handler activated\n");
return LB_STATUS_SUCCESS;
}
-HAPI int event_deactivate(void)
+/*!
+ * x, y is the starting point.
+ */
+HAPI int event_activate(int x, int y, int (*event_cb)(enum event_state state, struct event_data *event, void *data), void *data)
+{
+ struct event_listener *listener;
+ int ret = LB_STATUS_SUCCESS;
+
+ listener = malloc(sizeof(*listener));
+ if (!listener) {
+ ErrPrint("Heap: %s\n", strerror(errno));
+ return LB_STATUS_ERROR_MEMORY;
+ }
+
+#if defined(_USE_ECORE_TIME_GET)
+ listener->tv = ecore_time_get();
+#else
+ if (gettimeofday(&listener->tv, NULL) < 0) {
+ ErrPrint("gettimeofday: %s\n", strerror(errno));
+ DbgFree(listener);
+ return LB_STATUS_ERROR_FAULT;
+ }
+#endif
+
+ listener->event_cb = event_cb;
+ listener->cbdata = data;
+ listener->state = EVENT_STATE_ACTIVATE;
+ listener->x = x;
+ listener->y = y;
+
+ if (s_info.handle < 0) {
+ /*!
+ * \note
+ * We don't need to lock to access event_list here.
+ * If the _sinfo.handle is greater than 0, the event_list will not be touched.
+ * But if the s_info.handle is less than 0, it means, there is not thread,
+ * so we can access the event_list without lock.
+ */
+ if (s_info.event_list) {
+ DbgPrint("Event thread is deactivating now. activating will be delayed\n");
+ s_info.reactivate_list = eina_list_append(s_info.reactivate_list, listener);
+ } else {
+ s_info.event_listener_list = eina_list_append(s_info.event_listener_list, listener);
+
+ if ((ret = activate_thread()) < 0) {
+ s_info.event_listener_list = eina_list_remove(s_info.event_listener_list, listener);
+ DbgFree(listener);
+ }
+ }
+ } else {
+ s_info.event_listener_list = eina_list_append(s_info.event_listener_list, listener);
+ }
+
+ return ret;
+}
+
+HAPI int event_deactivate(int (*event_cb)(enum event_state state, struct event_data *event, void *data), void *data)
{
int status;
- struct event_data *event;
void *ret;
char event_ch = EVENT_CH;
+ struct event_listener *listener = NULL;
+ Eina_List *l;
+ int keep_thread = 0;
+
+ EINA_LIST_FOREACH(s_info.event_listener_list, l, listener) {
+ if (listener->event_cb == event_cb && listener->cbdata == data) {
+ listener->state = EVENT_STATE_DEACTIVATE;
+ }
+
+ keep_thread += (listener->state == EVENT_STATE_ACTIVATE || listener->state == EVENT_STATE_ACTIVATED);
+ }
+
+ if (!listener) {
+ ErrPrint("Listener is not registered\n");
+ return LB_STATUS_ERROR_NOT_EXIST;
+ }
if (s_info.handle < 0) {
ErrPrint("Event handler is not actiavated\n");
+ DbgFree(listener);
return LB_STATUS_SUCCESS;
}
- if (write(s_info.tcb_pipe[PIPE_WRITE], &event_ch, sizeof(event_ch)) != sizeof(event_ch))
+ if (keep_thread) {
+ return LB_STATUS_SUCCESS;
+ }
+
+ /* Terminating thread */
+ if (write(s_info.tcb_pipe[PIPE_WRITE], &event_ch, sizeof(event_ch)) != sizeof(event_ch)) {
ErrPrint("Unable to write tcb_pipe: %s\n", strerror(errno));
+ }
status = pthread_join(s_info.tid, &ret);
- if (status != 0)
+ if (status != 0) {
ErrPrint("Failed to join a thread: %s\n", strerror(errno));
- else
- DbgPrint("Thread returns: %d\n", (int)ret);
-
- ecore_main_fd_handler_del(s_info.event_handler);
- s_info.event_handler = NULL;
+ } else {
+ DbgPrint("Thread returns: %p\n", ret);
+ }
- if (close(s_info.handle) < 0)
+ if (close(s_info.handle) < 0) {
ErrPrint("Unable to release the fd: %s\n", strerror(errno));
+ }
s_info.handle = -1;
DbgPrint("Event handler deactivated\n");
CLOSE_PIPE(s_info.tcb_pipe);
- CLOSE_PIPE(s_info.evt_pipe);
-
- EINA_LIST_FREE(s_info.event_list, event) {
- if (s_info.event_cb) {
- if (s_info.event_state == EVENT_STATE_DEACTIVATE) {
- s_info.event_state = EVENT_STATE_ACTIVATE;
- } else if (s_info.event_state == EVENT_STATE_ACTIVATE) {
- s_info.event_state = EVENT_STATE_ACTIVATED;
- }
- s_info.event_cb(s_info.event_state, event, s_info.cbdata);
- }
- free(event);
- }
- if (s_info.event_state != EVENT_STATE_DEACTIVATE) {
- s_info.event_state = EVENT_STATE_DEACTIVATE;
-
- if (s_info.event_cb)
- s_info.event_cb(s_info.event_state, &s_info.event_data, s_info.cbdata);
+ if (!eina_list_count(s_info.event_list)) {
+ ecore_main_fd_handler_del(s_info.event_handler);
+ clear_all_listener_list();
}
s_info.event_data.x = -1;
s_info.event_data.y = -1;
+ s_info.event_data.slot = -1;
return LB_STATUS_SUCCESS;
}
projects / platform / framework / web / data-provider-master.git / blobdiff