383 lines
9.0 KiB
C
383 lines
9.0 KiB
C
/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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#include "e.h"
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typedef struct _E_Thumb E_Thumb;
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struct _E_Thumb
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{
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int objid;
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int w, h;
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const char *file;
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const char *key;
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unsigned char queued : 1;
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unsigned char busy : 1;
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unsigned char done : 1;
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};
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/* local subsystem functions */
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static void _e_thumb_gen_begin(int objid, const char *file, const char *key, int w, int h);
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static void _e_thumb_gen_end(int objid);
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static void _e_thumb_del_hook(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _e_thumb_hash_add(int objid, Evas_Object *obj);
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static void _e_thumb_hash_del(int objid);
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static Evas_Object *_e_thumb_hash_find(int objid);
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static void _e_thumb_thumbnailers_kill(void);
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static void _e_thumb_thumbnailers_kill_cancel(void);
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static int _e_thumb_cb_kill(void *data);
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static int _e_thumb_cb_exe_event_del(void *data, int type, void *event);
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/* local subsystem globals */
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static Eina_List *_thumbnailers = NULL;
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static Eina_List *_thumbnailers_exe = NULL;
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static Eina_List *_thumb_queue = NULL;
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static int _objid = 0;
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static Evas_Hash *_thumbs = NULL;
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static int _pending = 0;
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static int _num_thumbnailers = 1;
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static Ecore_Event_Handler *_exe_del_handler = NULL;
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static Ecore_Timer *_kill_timer = NULL;
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/* externally accessible functions */
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EAPI int
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e_thumb_init(void)
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{
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_exe_del_handler = ecore_event_handler_add(ECORE_EXE_EVENT_DEL,
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_e_thumb_cb_exe_event_del,
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NULL);
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return 1;
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}
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EAPI int
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e_thumb_shutdown(void)
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{
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_e_thumb_thumbnailers_kill_cancel();
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_e_thumb_cb_kill(NULL);
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ecore_event_handler_del(_exe_del_handler);
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_exe_del_handler = NULL;
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_thumbnailers = eina_list_free(_thumbnailers);
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while (_thumbnailers_exe)
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{
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ecore_exe_free(_thumbnailers_exe->data);
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_thumbnailers_exe = eina_list_remove_list(_thumbnailers_exe, _thumbnailers_exe);
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}
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_thumb_queue = eina_list_free(_thumb_queue);
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_objid = 0;
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evas_hash_free(_thumbs);
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_thumbs = NULL;
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_pending = 0;
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return 1;
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}
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EAPI Evas_Object *
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e_thumb_icon_add(Evas *evas)
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{
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Evas_Object *obj;
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E_Thumb *eth;
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obj = e_icon_add(evas);
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_objid++;
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eth = E_NEW(E_Thumb, 1);
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eth->objid = _objid;
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eth->w = 64;
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eth->h = 64;
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evas_object_data_set(obj, "e_thumbdata", eth);
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evas_object_event_callback_add(obj, EVAS_CALLBACK_FREE,
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_e_thumb_del_hook, NULL);
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_e_thumb_hash_add(eth->objid, obj);
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return obj;
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}
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EAPI void
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e_thumb_icon_file_set(Evas_Object *obj, const char *file, const char *key)
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{
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E_Thumb *eth;
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eth = evas_object_data_get(obj, "e_thumbdata");
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if (!eth) return;
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if (eth->file) eina_stringshare_del(eth->file);
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eth->file = NULL;
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if (eth->key) eina_stringshare_del(eth->key);
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eth->key = NULL;
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if (file) eth->file = eina_stringshare_add(file);
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if (key) eth->key = eina_stringshare_add(key);
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}
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EAPI void
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e_thumb_icon_size_set(Evas_Object *obj, int w, int h)
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{
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E_Thumb *eth;
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eth = evas_object_data_get(obj, "e_thumbdata");
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if (!eth) return;
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if ((w < 1) || (h <1)) return;
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eth->w = w;
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eth->h = h;
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}
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EAPI void
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e_thumb_icon_begin(Evas_Object *obj)
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{
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E_Thumb *eth, *eth2;
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char buf[4096];
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eth = evas_object_data_get(obj, "e_thumbdata");
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if (!eth) return;
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if (eth->queued) return;
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if (eth->busy) return;
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if (eth->done) return;
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if (!eth->file) return;
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if (!_thumbnailers)
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{
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while (eina_list_count(_thumbnailers_exe) < _num_thumbnailers)
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{
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Ecore_Exe *exe;
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snprintf(buf, sizeof(buf), "%s/enlightenment_thumb --nice=%d", e_prefix_bin_get(),
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e_config->thumb_nice);
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exe = ecore_exe_run(buf, NULL);
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_thumbnailers_exe = eina_list_append(_thumbnailers_exe, exe);
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}
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_thumb_queue = eina_list_append(_thumb_queue, eth);
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eth->queued = 1;
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return;
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}
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while (_thumb_queue)
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{
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eth2 = _thumb_queue->data;
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_thumb_queue = eina_list_remove_list(_thumb_queue, _thumb_queue);
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eth2->queued = 0;
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eth2->busy = 1;
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_pending++;
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if (_pending == 1) _e_thumb_thumbnailers_kill_cancel();
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_e_thumb_gen_begin(eth2->objid, eth2->file, eth2->key, eth2->w, eth2->h);
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}
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eth->busy = 1;
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_pending++;
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if (_pending == 1) _e_thumb_thumbnailers_kill_cancel();
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_e_thumb_gen_begin(eth->objid, eth->file, eth->key, eth->w, eth->h);
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}
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EAPI void
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e_thumb_icon_end(Evas_Object *obj)
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{
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E_Thumb *eth;
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eth = evas_object_data_get(obj, "e_thumbdata");
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if (!eth) return;
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if (eth->queued)
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{
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_thumb_queue = eina_list_remove(_thumb_queue, eth);
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eth->queued = 0;
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}
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if (eth->busy)
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{
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_e_thumb_gen_end(eth->objid);
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eth->busy = 0;
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_pending--;
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if (_pending == 0) _e_thumb_thumbnailers_kill();
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}
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}
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EAPI void
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e_thumb_icon_rethumb(Evas_Object *obj)
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{
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E_Thumb *eth;
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eth = evas_object_data_get(obj, "e_thumbdata");
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if (!eth) return;
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if (eth->done) eth->done = 0;
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else e_thumb_icon_end(obj);
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e_thumb_icon_begin(obj);
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}
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EAPI void
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e_thumb_client_data(Ecore_Ipc_Event_Client_Data *e)
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{
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int objid;
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char *icon;
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E_Thumb *eth;
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Evas_Object *obj;
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if (!eina_list_data_find(_thumbnailers, e->client))
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_thumbnailers = eina_list_prepend(_thumbnailers, e->client);
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if (e->minor == 2)
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{
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objid = e->ref;
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icon = e->data;
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if ((icon) && (e->size > 1) && (icon[e->size - 1] == 0))
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{
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obj = _e_thumb_hash_find(objid);
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if (obj)
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{
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eth = evas_object_data_get(obj, "e_thumbdata");
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if (eth)
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{
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eth->busy = 0;
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_pending--;
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eth->done = 1;
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if (_pending == 0) _e_thumb_thumbnailers_kill();
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e_icon_file_key_set(obj, icon, "/thumbnail/data");
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evas_object_smart_callback_call(obj, "e_thumb_gen", NULL);
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}
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}
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}
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}
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if (e->minor == 1)
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{
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/* hello message */
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while (_thumb_queue)
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{
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eth = _thumb_queue->data;
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_thumb_queue = eina_list_remove_list(_thumb_queue, _thumb_queue);
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eth->queued = 0;
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eth->busy = 1;
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_pending++;
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if (_pending == 1) _e_thumb_thumbnailers_kill_cancel();
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_e_thumb_gen_begin(eth->objid, eth->file, eth->key, eth->w, eth->h);
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}
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}
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}
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EAPI void
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e_thumb_client_del(Ecore_Ipc_Event_Client_Del *e)
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{
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if (!eina_list_data_find(_thumbnailers, e->client)) return;
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_thumbnailers = eina_list_remove(_thumbnailers, e->client);
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if ((!_thumbs) && (!_thumbnailers)) _objid = 0;
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}
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/* local subsystem functions */
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static void
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_e_thumb_gen_begin(int objid, const char *file, const char *key, int w, int h)
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{
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char *buf;
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int l1, l2;
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Ecore_Ipc_Client *cli;
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/* send thumb req */
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l1 = strlen(file);
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l2 = 0;
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if (key) l2 = strlen(key);
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buf = alloca(l1 + 1 + l2 + 1);
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strcpy(buf, file);
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if (key) strcpy(buf + l1 + 1, key);
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else buf[l1 + 1] = 0;
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cli = _thumbnailers->data;
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if (!cli) return;
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_thumbnailers = eina_list_remove_list(_thumbnailers, _thumbnailers);
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_thumbnailers = eina_list_append(_thumbnailers, cli);
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ecore_ipc_client_send(cli, E_IPC_DOMAIN_THUMB, 1, objid, w, h, buf, l1 + 1 + l2 + 1);
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}
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static void
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_e_thumb_gen_end(int objid)
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{
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Eina_List *l;
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Ecore_Ipc_Client *cli;
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/* send thumb cancel */
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for (l = _thumbnailers; l; l = l->next)
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{
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cli = l->data;
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ecore_ipc_client_send(cli, E_IPC_DOMAIN_THUMB, 2, objid, 0, 0, NULL, 0);
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}
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}
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static void
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_e_thumb_del_hook(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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E_Thumb *eth;
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eth = evas_object_data_get(obj, "e_thumbdata");
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if (!eth) return;
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evas_object_data_del(obj, "e_thumbdata");
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_e_thumb_hash_del(eth->objid);
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if (eth->busy)
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{
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_e_thumb_gen_end(eth->objid);
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eth->busy = 0;
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_pending--;
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if (_pending == 0) _e_thumb_thumbnailers_kill();
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}
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if (eth->queued)
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_thumb_queue = eina_list_remove(_thumb_queue, eth);
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if (eth->file) eina_stringshare_del(eth->file);
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if (eth->key) eina_stringshare_del(eth->key);
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free(eth);
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}
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static void
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_e_thumb_hash_add(int objid, Evas_Object *obj)
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{
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char buf[32];
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snprintf(buf, sizeof(buf), "%i", objid);
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_thumbs = evas_hash_add(_thumbs, buf, obj);
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}
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static void
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_e_thumb_hash_del(int objid)
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{
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char buf[32];
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snprintf(buf, sizeof(buf), "%i", objid);
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_thumbs = evas_hash_del(_thumbs, buf, NULL);
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if ((!_thumbs) && (!_thumbnailers)) _objid = 0;
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}
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static Evas_Object *
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_e_thumb_hash_find(int objid)
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{
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char buf[32];
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snprintf(buf, sizeof(buf), "%i", objid);
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return evas_hash_find(_thumbs, buf);
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}
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static void
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_e_thumb_thumbnailers_kill(void)
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{
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if (_kill_timer) ecore_timer_del(_kill_timer);
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_kill_timer = ecore_timer_add(1.0, _e_thumb_cb_kill, NULL);
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}
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static void
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_e_thumb_thumbnailers_kill_cancel(void)
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{
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if (_kill_timer) ecore_timer_del(_kill_timer);
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_kill_timer = NULL;
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}
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static int
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_e_thumb_cb_kill(void *data)
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{
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Eina_List *l;
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for (l = _thumbnailers_exe; l; l = l->next)
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ecore_exe_terminate(l->data);
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_kill_timer = NULL;
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return 0;
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}
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static int
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_e_thumb_cb_exe_event_del(void *data, int type, void *event)
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{
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Ecore_Exe_Event_Del *ev;
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Eina_List *l;
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ev = event;
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for (l = _thumbnailers_exe; l; l = l->next)
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{
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if (l->data == ev->exe)
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{
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_thumbnailers_exe = eina_list_remove_list(_thumbnailers_exe, l);
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break;
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}
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}
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return 1;
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}
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