542 lines
15 KiB
C
542 lines
15 KiB
C
#include "ephoto.h"
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#define ZOOM_MAX 512
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#define ZOOM_MIN 128
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#define ZOOM_STEP 32
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#define TODO_ITEM_MIN_BATCH 16
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#define PARENT_DIR "Up"
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typedef struct _Ephoto_Thumb_Browser Ephoto_Thumb_Browser;
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struct _Ephoto_Thumb_Browser
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{
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Ephoto *ephoto;
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Evas_Object *layout;
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Evas_Object *edje;
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Evas_Object *fsel;
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Evas_Object *grid;
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Evas_Object *toolbar;
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Evas_Object *overlay;
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Eio_File *ls;
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Eina_List *todo_items;
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Eina_List *grid_items;
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Eina_List *handlers;
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struct {
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Elm_Toolbar_Item *flow;
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Elm_Toolbar_Item *zoom_in;
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Elm_Toolbar_Item *zoom_out;
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Elm_Toolbar_Item *view_single;
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Elm_Toolbar_Item *slideshow;
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} action;
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struct {
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Ecore_Animator *todo_items;
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} animator;
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Eina_Bool layout_deleted : 1;
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};
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static void
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_todo_items_free(Ephoto_Thumb_Browser *tb)
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{
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eina_list_free(tb->todo_items);
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tb->todo_items = NULL;
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}
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static void
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_grid_items_free(Ephoto_Thumb_Browser *tb)
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{
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eina_list_free(tb->grid_items);
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tb->grid_items = NULL;
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}
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static Ephoto_Entry *
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_first_file_entry_find(Ephoto_Thumb_Browser *tb)
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{
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return eina_list_nth(tb->ephoto->entries, 0);
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}
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static char *
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_ephoto_thumb_item_label_get(void *data, Evas_Object *obj __UNUSED__, const char *part __UNUSED__)
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{
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Ephoto_Entry *e = data;
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return strdup(e->label);
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}
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static Evas_Object *
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_ephoto_thumb_file_icon_get(void *data, Evas_Object *obj, const char *part __UNUSED__)
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{
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Ephoto_Entry *e = data;
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return ephoto_thumb_add(e->ephoto, obj, e->path);
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}
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static void
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_ephoto_thumb_item_del(void *data __UNUSED__, Evas_Object *obj __UNUSED__)
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{
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/* FIXME: the entry is already freed when changing directories
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* One solution is to take care of this cleaning when manually removing
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* some grid items
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Ephoto_Entry *e = data;
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e->item = NULL;
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*/
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}
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static const Elm_Gengrid_Item_Class _ephoto_thumb_file_class = {
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"thumb",
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{
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_ephoto_thumb_item_label_get,
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_ephoto_thumb_file_icon_get,
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NULL,
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_ephoto_thumb_item_del
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}
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};
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static int
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_entry_cmp(const void *pa, const void *pb)
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{
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const Ephoto_Entry *a = pa, *b = pb;
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int ret, s;
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s = strcmp(a->basename, b->basename);
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if (s > 0)
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ret = 1;
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else if (s < 0)
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ret = -1;
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else
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ret = 0;
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return ret;
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}
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static void
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_entry_item_add(Ephoto_Thumb_Browser *tb, Ephoto_Entry *e)
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{
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const Elm_Gengrid_Item_Class *ic;
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ic = &_ephoto_thumb_file_class;
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if (!tb->grid_items)
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{
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e->item = elm_gengrid_item_append(tb->grid, ic, e, NULL, NULL);
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tb->grid_items = eina_list_append(tb->grid_items, e);
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}
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else
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{
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int near_cmp;
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Ephoto_Entry *near_entry;
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Elm_Gengrid_Item *near_item;
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Eina_List *near_node = eina_list_search_sorted_near_list
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(tb->grid_items, _entry_cmp, e, &near_cmp);
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near_entry = near_node->data;
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near_item = near_entry->item;
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if (near_cmp < 0)
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{
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e->item = elm_gengrid_item_insert_after
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(tb->grid, ic, e, near_item, NULL, NULL);
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tb->grid_items = eina_list_append_relative_list
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(tb->grid_items, e, near_node);
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}
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else
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{
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e->item = elm_gengrid_item_insert_before
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(tb->grid, ic, e, near_item, NULL, NULL);
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tb->grid_items = eina_list_prepend_relative_list
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(tb->grid_items, e, near_node);
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}
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}
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if (e->item)
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elm_gengrid_item_data_set(e->item, e);
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else
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{
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ERR("could not add item to grid: path '%s'", e->path);
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ephoto_entry_free(e);
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return;
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}
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}
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static Eina_Bool
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_todo_items_process(void *data)
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{
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Ephoto_Thumb_Browser *tb = data;
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Edje_Message_Int msg;
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Ephoto_Entry *entry;
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if ((tb->ls) && (eina_list_count(tb->todo_items) < TODO_ITEM_MIN_BATCH))
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return EINA_TRUE;
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tb->animator.todo_items = NULL;
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EINA_LIST_FREE(tb->todo_items, entry)
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_entry_item_add(tb, entry);
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msg.val = eina_list_count(tb->ephoto->entries);
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edje_object_message_send(tb->edje, EDJE_MESSAGE_INT, 1, &msg);
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return EINA_FALSE;
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}
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static void
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_ephoto_thumb_selected(void *data, Evas_Object *o __UNUSED__, void *event_info)
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{
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Ephoto_Thumb_Browser *tb = data;
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Elm_Gengrid_Item *it = event_info;
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Ephoto_Entry *e = elm_gengrid_item_data_get(it);
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elm_gengrid_item_selected_set(it, EINA_FALSE);
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evas_object_smart_callback_call(tb->layout, "view", e);
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}
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static void
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_changed_dir(void *data, Evas_Object *o __UNUSED__, void *event_info)
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{
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Ephoto_Thumb_Browser *tb = data;
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const char *path = event_info;
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if (!path) return;
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ephoto_directory_set(tb->ephoto, path);
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}
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static void
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_changed_dir_text(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Ephoto_Thumb_Browser *tb = data;
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const char *path = elm_fileselector_entry_path_get(tb->fsel);
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if (ecore_file_is_dir(path))
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ephoto_directory_set(tb->ephoto, path);
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}
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static void
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_zoom_set(Ephoto_Thumb_Browser *tb, int zoom)
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{
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if (zoom > ZOOM_MAX) zoom = ZOOM_MAX;
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else if (zoom < ZOOM_MIN) zoom = ZOOM_MIN;
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ephoto_thumb_size_set(tb->ephoto, zoom);
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elm_gengrid_item_size_set(tb->grid, zoom, zoom);
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elm_toolbar_item_disabled_set(tb->action.zoom_out, zoom == ZOOM_MIN);
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elm_toolbar_item_disabled_set(tb->action.zoom_in, zoom == ZOOM_MAX);
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}
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static void
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_zoom_in(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Ephoto_Thumb_Browser *tb = data;
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elm_toolbar_item_selected_set(tb->action.zoom_in, EINA_FALSE);
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_zoom_set(tb, tb->ephoto->config->thumb_size + ZOOM_STEP);
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}
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static void
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_zoom_out(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Ephoto_Thumb_Browser *tb = data;
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elm_toolbar_item_selected_set(tb->action.zoom_out, EINA_FALSE);
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_zoom_set(tb, tb->ephoto->config->thumb_size - ZOOM_STEP);
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}
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static void
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_view_single(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Ephoto_Thumb_Browser *tb = data;
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Elm_Gengrid_Item *it = elm_gengrid_selected_item_get(tb->grid);
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Ephoto_Entry *entry;
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elm_toolbar_item_selected_set(tb->action.view_single, EINA_FALSE);
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if (it) entry = elm_gengrid_item_data_get(it);
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else entry = _first_file_entry_find(tb);
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if (!entry) return;
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evas_object_smart_callback_call(tb->layout, "view", entry);
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}
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static void
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_slideshow(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Ephoto_Thumb_Browser *tb = data;
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Elm_Gengrid_Item *it = elm_gengrid_selected_item_get(tb->grid);
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Ephoto_Entry *entry;
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elm_toolbar_item_selected_set(tb->action.slideshow, EINA_FALSE);
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if (it) entry = elm_gengrid_item_data_get(it);
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else entry = _first_file_entry_find(tb);
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if (!entry) return;
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evas_object_smart_callback_call(tb->layout, "slideshow", entry);
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}
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static void
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_flow(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Ephoto_Thumb_Browser *tb = data;
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Elm_Gengrid_Item *it = elm_gengrid_selected_item_get(tb->grid);
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Ephoto_Entry *entry;
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elm_toolbar_item_selected_set(tb->action.flow, EINA_FALSE);
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if (it) entry = elm_gengrid_item_data_get(it);
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else entry = _first_file_entry_find(tb);
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if (!entry) return;
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evas_object_smart_callback_call(tb->layout, "flow", entry);
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}
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static void
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_key_down(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
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{
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Ephoto_Thumb_Browser *tb = data;
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Evas_Event_Key_Down *ev = event_info;
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Eina_Bool alt = evas_key_modifier_is_set(ev->modifiers, "Alt");
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const char *k = ev->keyname;
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if (alt)
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{
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if (!strcmp(k, "Up"))
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{
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if (strcmp(tb->ephoto->config->directory, "/") != 0)
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{
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char *parent = ecore_file_dir_get
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(tb->ephoto->config->directory);
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if (parent)
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ephoto_directory_set(tb->ephoto, parent);
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free(parent);
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}
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}
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return;
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}
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if (!strcmp(k, "F5"))
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{
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Elm_Gengrid_Item *it = elm_gengrid_selected_item_get(tb->grid);
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Ephoto_Entry *entry;
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if (it) entry = elm_gengrid_item_data_get(it);
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else entry = _first_file_entry_find(tb);
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if (entry)
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evas_object_smart_callback_call(tb->layout, "slideshow", entry);
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}
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}
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static void
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_layout_del(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Ephoto_Thumb_Browser *tb = data;
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Ecore_Event_Handler *handler;
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_todo_items_free(tb);
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_grid_items_free(tb);
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EINA_LIST_FREE(tb->handlers, handler)
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ecore_event_handler_del(handler);
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if (tb->animator.todo_items)
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{
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ecore_animator_del(tb->animator.todo_items);
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tb->animator.todo_items = NULL;
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}
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if (tb->ls)
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{
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tb->layout_deleted = EINA_TRUE;
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eio_file_cancel(tb->ls);
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return;
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}
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free(tb);
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}
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static Elm_Toolbar_Item *
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_toolbar_item_add(Ephoto_Thumb_Browser *tb, const char *icon, const char *label, int priority, Evas_Smart_Cb cb)
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{
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Elm_Toolbar_Item *item = elm_toolbar_item_append(tb->toolbar, icon, label,
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cb, tb);
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elm_toolbar_item_priority_set(item, priority);
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return item;
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}
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static Eina_Bool
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_ephoto_thumb_populate_start(void *data, int type __UNUSED__, void *event __UNUSED__)
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{
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Ephoto_Thumb_Browser *tb = data;
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evas_object_smart_callback_call(tb->layout, "changed,directory", NULL);
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_todo_items_free(tb);
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_grid_items_free(tb);
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elm_gengrid_clear(tb->grid);
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elm_fileselector_entry_path_set(tb->fsel, tb->ephoto->config->directory);
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edje_object_signal_emit(tb->edje, "populate,start", "ephoto");
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return ECORE_CALLBACK_PASS_ON;
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}
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static Eina_Bool
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_ephoto_thumb_populate_end(void *data, int type __UNUSED__, void *event __UNUSED__)
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{
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Ephoto_Thumb_Browser *tb = data;
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tb->ls = NULL;
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if (tb->layout_deleted)
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{
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free(tb);
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return ECORE_CALLBACK_PASS_ON;
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}
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edje_object_signal_emit(tb->edje, "populate,stop", "ephoto");
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return ECORE_CALLBACK_PASS_ON;
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}
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static Eina_Bool
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_ephoto_thumb_populate_error(void *data, int type __UNUSED__, void *event __UNUSED__)
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{
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Ephoto_Thumb_Browser *tb = data;
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edje_object_signal_emit(tb->edje, "populate,error", "ephoto");
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return ECORE_CALLBACK_PASS_ON;
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}
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static Eina_Bool
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_ephoto_thumb_entry_create(void *data, int type __UNUSED__, void *event)
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{
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Ephoto_Thumb_Browser *tb = data;
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Ephoto_Event_Entry_Create *ev = event;
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Ephoto_Entry *e;
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e = ev->entry;
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tb->todo_items = eina_list_append(tb->todo_items, e);
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if (!tb->animator.todo_items)
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tb->animator.todo_items = ecore_animator_add(_todo_items_process, tb);
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return ECORE_CALLBACK_PASS_ON;
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}
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static void
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_ephoto_up_clicked(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
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{
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Ephoto_Thumb_Browser *tb = data;
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char *parent_dir;
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parent_dir = ecore_file_dir_get(tb->ephoto->config->directory);
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if (!parent_dir)
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return;
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ephoto_directory_set(tb->ephoto, parent_dir);
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}
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Evas_Object *
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ephoto_thumb_browser_add(Ephoto *ephoto, Evas_Object *parent)
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{
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Evas_Object *layout = elm_layout_add(parent);
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Ephoto_Thumb_Browser *tb;
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EINA_SAFETY_ON_NULL_RETURN_VAL(layout, NULL);
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tb = calloc(1, sizeof(Ephoto_Thumb_Browser));
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EINA_SAFETY_ON_NULL_GOTO(tb, error);
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tb->ephoto = ephoto;
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tb->layout = layout;
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tb->edje = elm_layout_edje_get(layout);
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evas_object_event_callback_add(layout, EVAS_CALLBACK_DEL, _layout_del, tb);
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evas_object_event_callback_add
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(layout, EVAS_CALLBACK_KEY_DOWN, _key_down, tb);
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evas_object_data_set(layout, "thumb_browser", tb);
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if (!elm_layout_theme_set
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(layout, "layout", "application", "toolbar-vbox"))
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{
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ERR("could not load style 'toolbar-vbox' from theme");
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goto error;
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}
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tb->toolbar = edje_object_part_external_object_get
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(tb->edje, "elm.external.toolbar");
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if (!tb->toolbar)
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{
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ERR("no toolbar in layout!");
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goto error;
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}
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elm_toolbar_homogenous_set(tb->toolbar, EINA_FALSE);
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elm_toolbar_mode_shrink_set(tb->toolbar, ELM_TOOLBAR_SHRINK_MENU);
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elm_toolbar_menu_parent_set(tb->toolbar, parent);
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tb->action.flow = _toolbar_item_add
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(tb, "image", "Flow", 120, _flow);
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tb->action.slideshow = _toolbar_item_add
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(tb, "media-playback-start", "Slideshow", 100, _slideshow);
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tb->action.zoom_in = _toolbar_item_add
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(tb, "zoom-in", "Zoom In", 50, _zoom_in);
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tb->action.zoom_out = _toolbar_item_add
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(tb, "zoom-out", "Zoom Out", 50, _zoom_out);
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tb->action.view_single = _toolbar_item_add
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(tb, "image", "Single", 50, _view_single);
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tb->fsel = elm_fileselector_entry_add(layout);
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EINA_SAFETY_ON_NULL_GOTO(tb->fsel, error);
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evas_object_size_hint_weight_set(tb->fsel, EVAS_HINT_EXPAND, 0.0);
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evas_object_size_hint_align_set(tb->fsel, EVAS_HINT_FILL, EVAS_HINT_FILL);
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elm_fileselector_entry_button_label_set(tb->fsel, "Choose...");
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elm_fileselector_entry_folder_only_set(tb->fsel, EINA_TRUE);
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evas_object_smart_callback_add
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(tb->fsel, "file,chosen", _changed_dir, tb);
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evas_object_smart_callback_add
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(tb->fsel, "activated", _changed_dir_text, tb);
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evas_object_show(tb->fsel);
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elm_layout_box_append(layout, "elm.box.content", tb->fsel);
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tb->overlay = elm_layout_add(layout);
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elm_layout_file_set
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(tb->overlay, PACKAGE_DATA_DIR "/themes/default/ephoto.edj",
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"ephoto,thumb,grid");
|
|
evas_object_size_hint_weight_set
|
|
(tb->overlay, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
|
|
evas_object_size_hint_align_set
|
|
(tb->overlay, EVAS_HINT_FILL, EVAS_HINT_FILL);
|
|
edje_object_signal_callback_add
|
|
(elm_layout_edje_get(tb->overlay), "ephoto.signal.up", "ephoto",
|
|
_ephoto_up_clicked, tb);
|
|
evas_object_show(tb->overlay);
|
|
elm_layout_box_append(tb->layout, "elm.box.content", tb->overlay);
|
|
|
|
tb->grid = elm_gengrid_add(tb->overlay);
|
|
EINA_SAFETY_ON_NULL_GOTO(tb->grid, error);
|
|
elm_gengrid_align_set(tb->grid, 0.5, 0.5);
|
|
elm_gengrid_bounce_set(tb->grid, EINA_FALSE, EINA_TRUE);
|
|
evas_object_size_hint_align_set
|
|
(tb->grid, EVAS_HINT_FILL, EVAS_HINT_FILL);
|
|
evas_object_size_hint_weight_set
|
|
(tb->grid, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
|
|
evas_object_smart_callback_add
|
|
(tb->grid, "selected", _ephoto_thumb_selected, tb);
|
|
_zoom_set(tb, tb->ephoto->config->thumb_size);
|
|
evas_object_show(tb->grid);
|
|
elm_layout_content_set
|
|
(tb->overlay, "ephoto.swallow.content.thumb", tb->grid);
|
|
|
|
tb->handlers = eina_list_append
|
|
(tb->handlers, ecore_event_handler_add
|
|
(EPHOTO_EVENT_POPULATE_START, _ephoto_thumb_populate_start, tb));
|
|
|
|
tb->handlers = eina_list_append
|
|
(tb->handlers, ecore_event_handler_add
|
|
(EPHOTO_EVENT_POPULATE_END, _ephoto_thumb_populate_end, tb));
|
|
|
|
tb->handlers = eina_list_append
|
|
(tb->handlers, ecore_event_handler_add
|
|
(EPHOTO_EVENT_POPULATE_ERROR, _ephoto_thumb_populate_error, tb));
|
|
|
|
tb->handlers = eina_list_append
|
|
(tb->handlers, ecore_event_handler_add
|
|
(EPHOTO_EVENT_ENTRY_CREATE, _ephoto_thumb_entry_create, tb));
|
|
|
|
return layout;
|
|
|
|
error:
|
|
evas_object_del(layout);
|
|
return NULL;
|
|
}
|