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elm process state - add events and state get function 

this adds the ability to query current process state, and get events
idicating a change in process state and what change that was.

@feature
This commit is contained in:
Carsten Haitzler 2014-09-04 15:09:10 +09:00
parent e2a14d22ae
commit dada522426
3 changed files with 83 additions and 27 deletions
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35
legacy/elementary/src/lib/elm_general.h
View File

@ -49,6 +49,20 @@ EAPI extern int ELM_EVENT_CONFIG_ALL_CHANGED;
*/
EAPI extern int ELM_EVENT_POLICY_CHANGED;
/**
* Emitted when nothing is visible and the process as a whole should go into
* a background state.
* @since 1.12
*/
EAPI extern int ELM_EVENT_PROCESS_BACKGROUND;
/**
* Emitted when going from nothing being visible to at least one window
* being visible.
* @since 1.12
*/
EAPI extern int ELM_EVENT_PROCESS_FOREGROUND;
/**
* @typedef Elm_Event_Policy_Changed
*
@ -350,6 +364,27 @@ EAPI int elm_policy_get(unsigned int policy);
*/
EAPI void elm_language_set(const char *lang);
typedef enum _Elm_Process_State
{
ELM_PROCESS_STATE_FOREGROUND, /*< The process is in a foreground/active/running state - work as normal. @since 1.12 */
ELM_PROCESS_STATE_BACKGROUND /*< The process is in the bacgkround, so you may want to stop animating, fetching data as often etc. @since 1.12 */
} Elm_Process_State; /** The state of the process as a whole. @since 1.12 */
/**
* Get the process state as a while
*
* @return The current process state
*
* The process may logically be some runnable state. a "foreground" application
* runs as normal and may be user-visible or "active" in some way. A
* background application is not user-visible or otherwise important and
* likely should release resources and not wake up often or process much.
*
* @ingroup General
* @since 1.12
*/
EAPI Elm_Process_State elm_process_state_get(void);
/**
* @}
*/

6
legacy/elementary/src/lib/elm_main.c
View File

@ -65,6 +65,8 @@ const char *_elm_lib_dir = NULL;
int _elm_log_dom = -1;
EAPI int ELM_EVENT_POLICY_CHANGED = 0;
EAPI int ELM_EVENT_PROCESS_BACKGROUND = 0;
EAPI int ELM_EVENT_PROCESS_FOREGROUND = 0;
static int _elm_init_count = 0;
static int _elm_sub_init_count = 0;
@ -612,6 +614,10 @@ elm_quicklaunch_init(int argc,
memset(_elm_policies, 0, sizeof(_elm_policies));
if (!ELM_EVENT_POLICY_CHANGED)
ELM_EVENT_POLICY_CHANGED = ecore_event_type_new();
if (!ELM_EVENT_PROCESS_BACKGROUND)
ELM_EVENT_PROCESS_BACKGROUND = ecore_event_type_new();
if (!ELM_EVENT_PROCESS_FOREGROUND)
ELM_EVENT_PROCESS_FOREGROUND = ecore_event_type_new();
ecore_file_init();
eio_init();

69
legacy/elementary/src/lib/elm_win.c
View File

@ -345,6 +345,15 @@ _win_noblank_eval(void)
#endif
}
static Elm_Process_State _elm_process_state = ELM_PROCESS_STATE_FOREGROUND;
EAPI Elm_Process_State
elm_process_state_get(void)
{
return _elm_process_state;
}
static void
_elm_win_state_eval(void *data EINA_UNUSED)
{
@ -353,6 +362,7 @@ _elm_win_state_eval(void *data EINA_UNUSED)
int _elm_win_count_shown = 0;
int _elm_win_count_iconified = 0;
int _elm_win_count_withdrawn = 0;
Eina_Bool throttle = EINA_FALSE;
_elm_win_state_eval_job = NULL;
@ -397,41 +407,46 @@ _elm_win_state_eval(void *data EINA_UNUSED)
if (((_elm_config->auto_throttle) &&
(elm_policy_get(ELM_POLICY_THROTTLE) != ELM_POLICY_THROTTLE_NEVER)) ||
(elm_policy_get(ELM_POLICY_THROTTLE) == ELM_POLICY_THROTTLE_HIDDEN_ALWAYS))
throttle = EINA_TRUE;
if (_elm_win_count == 0)
{
if (_elm_win_count == 0)
if (_elm_win_auto_throttled)
{
if (_elm_win_auto_throttled)
_elm_process_state = ELM_PROCESS_STATE_FOREGROUND;
ecore_event_add(ELM_EVENT_PROCESS_FOREGROUND, NULL, NULL, NULL);
if (throttle)
ecore_throttle_adjust(-_elm_config->auto_throttle_amount);
_elm_win_auto_throttled = EINA_FALSE;
}
}
else
{
EINA_LIST_FOREACH(_elm_win_list, l, obj)
{
if (elm_win_withdrawn_get(obj)) _elm_win_count_withdrawn++;
else if (elm_win_iconified_get(obj)) _elm_win_count_iconified++;
else if (evas_object_visible_get(obj)) _elm_win_count_shown++;
}
if (_elm_win_count_shown <= 0)
{
if (!_elm_win_auto_throttled)
{
ecore_throttle_adjust(-_elm_config->auto_throttle_amount);
_elm_win_auto_throttled = EINA_FALSE;
_elm_process_state = ELM_PROCESS_STATE_BACKGROUND;
ecore_event_add(ELM_EVENT_PROCESS_BACKGROUND, NULL, NULL, NULL);
if (throttle)
ecore_throttle_adjust(_elm_config->auto_throttle_amount);
_elm_win_auto_throttled = EINA_TRUE;
}
}
else
{
EINA_LIST_FOREACH(_elm_win_list, l, obj)
if (_elm_win_auto_throttled)
{
if (elm_win_withdrawn_get(obj))
_elm_win_count_withdrawn++;
else if (elm_win_iconified_get(obj))
_elm_win_count_iconified++;
else if (evas_object_visible_get(obj))
_elm_win_count_shown++;
}
if (_elm_win_count_shown <= 0)
{
if (!_elm_win_auto_throttled)
{
ecore_throttle_adjust(_elm_config->auto_throttle_amount);
_elm_win_auto_throttled = EINA_TRUE;
}
}
else
{
if (_elm_win_auto_throttled)
{
ecore_throttle_adjust(-_elm_config->auto_throttle_amount);
_elm_win_auto_throttled = EINA_FALSE;
}
_elm_process_state = ELM_PROCESS_STATE_FOREGROUND;
ecore_event_add(ELM_EVENT_PROCESS_FOREGROUND, NULL, NULL, NULL);
if (throttle)
ecore_throttle_adjust(-_elm_config->auto_throttle_amount);
_elm_win_auto_throttled = EINA_FALSE;
}
}
}