ephoto/src/bin/ephoto_thumb_browser.c

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#include "ephoto.h"
typedef struct _Ephoto_Thumb_Data Ephoto_Thumb_Data;
typedef struct _Ephoto_Thumb_Browser Ephoto_Thumb_Browser;
struct _Ephoto_Thumb_Data
{
char *thumb_path;
char *file;
};
struct _Ephoto_Thumb_Browser
{
Evas_Object *layout;
Evas_Object *thumb_browser;
Evas_Object *dir_label;
Evas_Object *toolbar;
Evas_Object *thumb_slider;
Evas_Object *thbox;
Evas_Object *fsel_win;
Elm_Gengrid_Item_Class eg;
Ethumb_Client *ec;
const char *current_directory;
int cur_val;
Eio_File *list;
};
/*Callbacks*/
static void _ephoto_slider_changed(void *data, Evas_Object *obj, void *event_info);
static void _ephoto_thumber_connected(void *data, Ethumb_Client *client, Eina_Bool success);
static void _ephoto_thumbnail_generated(void *data, Ethumb_Client *client, int id,
const char *file, const char *key,
const char *thumb_path, const char *thumb_key,
Eina_Bool success);
static char *_ephoto_get_label(const void *data, Evas_Object *obj, const char *part);
static Evas_Object *_ephoto_get_icon(const void *data, Evas_Object *obj, const char *part);
static Eina_Bool _ephoto_get_state(const void *data, Evas_Object *obj, const char *part);
static void _ephoto_grid_del(const void *data, Evas_Object *obj);
static void _ephoto_thumb_clicked_job(void *data);
static void _ephoto_thumb_clicked(void *data, Evas_Object *obj, void *event_info);
static void _ephoto_view_large(void *data, Evas_Object *obj, void *event_info);
static void _ephoto_change_directory(void *data, Evas_Object *obj, void *event_info);
static void _ephoto_view_slideshow(void *data, Evas_Object *obj, void *event_info);
static void _ephoto_del_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _ephoto_show_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
/*Create the thumbnail browser object*/
Evas_Object *
ephoto_create_thumb_browser(Evas_Object *parent, const char *directory)
{
Evas_Object *o;
char buf[PATH_MAX];
Ephoto_Thumb_Browser *tb;
tb = calloc(1, sizeof(Ephoto_Thumb_Browser));
elm_theme_extension_add(NULL, PACKAGE_DATA_DIR "/themes/default/ephoto.edj");
tb->ec = ethumb_client_connect(_ephoto_thumber_connected, tb, NULL);
tb->layout = elm_layout_add(parent);
elm_layout_file_set(tb->layout,
PACKAGE_DATA_DIR "/themes/default/ephoto.edj",
"ephoto/browser/layout");
evas_object_size_hint_weight_set(tb->layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_fill_set(tb->layout, EVAS_HINT_FILL, EVAS_HINT_FILL);
evas_object_show(tb->layout);
if (!directory)
{
getcwd(buf, PATH_MAX);
tb->current_directory = eina_stringshare_add(buf);
}
else
{
tb->current_directory = eina_stringshare_add(directory);
}
tb->thbox = elm_box_add(tb->layout);
elm_box_horizontal_set(tb->thbox, EINA_TRUE);
evas_object_size_hint_weight_set(tb->thbox, EVAS_HINT_EXPAND, EVAS_HINT_FILL);
evas_object_size_hint_fill_set(tb->thbox, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_layout_content_set(tb->layout, "ephoto.location.swallow", tb->thbox);
tb->dir_label = elm_label_add(tb->thbox);
elm_label_label_set(tb->dir_label, tb->current_directory);
evas_object_size_hint_weight_set(tb->dir_label, EVAS_HINT_EXPAND, 0.0);
evas_object_size_hint_align_set(tb->dir_label, 0.01, 0.5);
elm_box_pack_end(tb->thbox, tb->dir_label);
tb->thumb_slider = elm_slider_add(tb->thbox);
elm_slider_label_set(tb->thumb_slider, "Thumb Size:");
elm_slider_span_size_set(tb->thumb_slider, 100);
elm_slider_min_max_set(tb->thumb_slider, 0, 100);
elm_slider_value_set(tb->thumb_slider, 50);
elm_box_pack_end(tb->thbox, tb->thumb_slider);
evas_object_smart_callback_add(tb->thumb_slider, "changed",
_ephoto_slider_changed, tb);
evas_object_show(tb->thumb_slider);
evas_object_show(tb->dir_label);
tb->thumb_browser = elm_gengrid_add(tb->layout);
elm_gengrid_align_set(tb->thumb_browser, 0.5, 0.5);
elm_gengrid_item_size_set(tb->thumb_browser, 256, 192);
elm_gengrid_horizontal_set(tb->thumb_browser, EINA_TRUE);
evas_object_size_hint_align_set(tb->thumb_browser, EVAS_HINT_FILL, EVAS_HINT_FILL);
evas_object_size_hint_weight_set(tb->thumb_browser, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_fill_set(tb->thumb_browser, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_object_style_set(tb->thumb_browser, "ephoto");
evas_object_smart_callback_add(tb->thumb_browser, "clicked", _ephoto_thumb_clicked, tb);
elm_layout_content_set(tb->layout, "ephoto.thumb.swallow", tb->thumb_browser);
tb->toolbar = elm_toolbar_add(tb->layout);
elm_toolbar_icon_size_set(tb->toolbar, 24);
elm_toolbar_homogenous_set(tb->toolbar, EINA_TRUE);
elm_toolbar_scrollable_set(tb->toolbar, EINA_FALSE);
evas_object_size_hint_weight_set(tb->toolbar, EVAS_HINT_EXPAND, 0.0);
evas_object_size_hint_align_set(tb->toolbar, EVAS_HINT_FILL, 0.5);
elm_layout_content_set(tb->layout, "ephoto.toolbar.swallow", tb->toolbar);
o = elm_icon_add(tb->toolbar);
elm_icon_file_set(o, PACKAGE_DATA_DIR "/images/change_directory.png", NULL);
elm_toolbar_item_add(tb->toolbar, o, "Change Directory", _ephoto_change_directory, tb);
o = elm_icon_add(tb->toolbar);
elm_icon_file_set(o, PACKAGE_DATA_DIR "/images/filter.png", NULL);
elm_toolbar_item_add(tb->toolbar, o, "Filter", NULL, NULL);
o = elm_icon_add(tb->toolbar);
elm_icon_file_set(o, PACKAGE_DATA_DIR "/images/view_presentation.png", NULL);
elm_toolbar_item_add(tb->toolbar, o, "View Large", _ephoto_view_large, tb);
o = elm_icon_add(tb->toolbar);
elm_icon_file_set(o, PACKAGE_DATA_DIR "/images/play_slideshow.png", NULL);
elm_toolbar_item_add(tb->toolbar, o, "Play Slideshow", _ephoto_view_slideshow, tb);
tb->cur_val = 50;
tb->eg.item_style = "ephoto";
tb->eg.func.label_get = _ephoto_get_label;
tb->eg.func.icon_get = _ephoto_get_icon;
tb->eg.func.state_get = _ephoto_get_state;
tb->eg.func.del = _ephoto_grid_del;
evas_object_data_set(tb->layout, "thumb_browser", tb);
evas_object_event_callback_add(tb->layout, EVAS_CALLBACK_DEL, _ephoto_del_cb, tb);
evas_object_event_callback_add(tb->layout, EVAS_CALLBACK_SHOW, _ephoto_show_cb, tb);
return tb->layout;
}
/*Show the thumbnail browser*/
static void
_ephoto_show_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Ephoto_Thumb_Browser *tb = evas_object_data_get(obj, "thumb_browser");
/* evas_object_show(tb->toolbar); */
/* evas_object_show(tb->thumb_browser); */
/* evas_object_show(tb->dir_label); */
/* evas_object_show(tb->thumb_slider); */
/* evas_object_show(tb->thbox); */
if (tb->current_directory)
{
char *buffer;
int length;
length = strlen(tb->current_directory) + strlen("Ephoto - ") + 1;
buffer = alloca(length);
snprintf(buffer, length, "Ephoto - %s", tb->current_directory);
elm_win_title_set(em->win, buffer);
} else {
elm_win_title_set(em->win, "Ephoto");
}
}
/* Use ecore thread facility to avoid lock completly */
/* Check image type from another thread */
static Eina_Bool
_ephoto_populate_filter(const void *data, const char *file)
{
const char *type;
if (!(type = efreet_mime_type_get(file)))
return EINA_FALSE;
if (!strncmp(type, "image", 5))
return EINA_TRUE;
return EINA_FALSE;
}
/*Done populating images*/
static void
_ephoto_populate_end(const void *data)
{
Ephoto_Thumb_Browser *tb = (Ephoto_Thumb_Browser *)data;
tb->list = NULL;
efreet_mime_shutdown();
}
static void
_ephoto_populate_error(int error, const void *data)
{
Ephoto_Thumb_Browser *tb = (Ephoto_Thumb_Browser*)data;
/* We don't handle error case in ephoto */
tb->list = NULL;
efreet_mime_shutdown();
}
/* Build the interface component after detection from main thread */
static void
_ephoto_populate_main(const void *data, const char *file)
{
Ephoto_Thumb_Browser *tb = (Ephoto_Thumb_Browser*)data;
const char *thumb;
file = eina_stringshare_ref(file);
em->images = eina_list_append(em->images, file);
ethumb_client_file_set(tb->ec, file, NULL);
if (!ethumb_client_thumb_exists(tb->ec))
{
ethumb_client_generate(tb->ec, _ephoto_thumbnail_generated, tb, NULL);
}
else
{
ethumb_client_thumb_path_get(tb->ec, &thumb, NULL);
_ephoto_thumbnail_generated(tb, tb->ec, 0, file, NULL,
thumb, NULL, EINA_TRUE);
}
}
/* Start a thread to list images in a directory without locking the interface */
void
ephoto_populate_thumbnails(Evas_Object *obj)
{
Ephoto_Thumb_Browser *tb = evas_object_data_get(obj, "thumb_browser");
if (!tb->current_directory) return ;
if (!efreet_mime_init())
fprintf(stderr, "Could not init efreet_mime!\n");
tb->list = eio_file_ls(tb->current_directory,
_ephoto_populate_filter,
_ephoto_populate_main,
_ephoto_populate_end,
_ephoto_populate_error,
tb);
}
/*Change the thumbnail size*/
static void
_ephoto_slider_changed(void *data, Evas_Object *obj, void *event)
{
int w, h, val;
Ephoto_Thumb_Browser *tb = data;
val = elm_slider_value_get(tb->thumb_slider);
elm_gengrid_item_size_get(tb->thumb_browser, &w, &h);
if (val < tb->cur_val)
{
w -= tb->cur_val-val;
h -= tb->cur_val-val;
}
else if (val > tb->cur_val)
{
w += val-tb->cur_val;
h += val-tb->cur_val;
}
elm_gengrid_item_size_set(tb->thumb_browser, w, h);
tb->cur_val = val;
}
/*Callback when the client is connected*/
static void _ephoto_thumber_connected(void *data, Ethumb_Client *client, Eina_Bool success)
{
Ephoto_Thumb_Browser *tb = data;
if (success == EINA_TRUE)
{
ethumb_client_fdo_set(tb->ec, ETHUMB_THUMB_LARGE);
ethumb_client_format_set(tb->ec, ETHUMB_THUMB_FDO);
ethumb_client_aspect_set(tb->ec, ETHUMB_THUMB_KEEP_ASPECT);
ephoto_populate_thumbnails(tb->layout);
}
else
{
printf("Could not connect to ethumb!\n");
}
}
/*Callback when the thumbnail has been generated!*/
static void
_ephoto_thumbnail_generated(void *data, Ethumb_Client *client, int id,
const char *file, const char *key,
const char *thumb_path, const char *thumb_key,
Eina_Bool success)
{
Ephoto_Thumb_Browser *tb = data;
if (success)
{
Ephoto_Thumb_Data *etd;
etd = calloc(1, sizeof(*etd));
etd->thumb_path = eina_stringshare_add(thumb_path);
etd->file = eina_stringshare_add(file);
elm_gengrid_item_append(tb->thumb_browser, &tb->eg, etd, NULL, NULL);
}
}
/*Get the label for the icon in the grid*/
static char *
_ephoto_get_label(const void *data, Evas_Object *obj, const char *part)
{
const char *bname;
Ephoto_Thumb_Data *etd;
etd = (Ephoto_Thumb_Data *)data;
bname = basename(etd->file);
return strdup(bname);
}
/*Get the image for the icon in the grid*/
static Evas_Object *
_ephoto_get_icon(const void *data, Evas_Object *obj, const char *part)
{
Evas_Object *thumb, *o;
Ephoto_Thumb_Data *etd;
etd = (Ephoto_Thumb_Data *)data;
if (!strcmp(part, "elm.swallow.icon"))
{
thumb = elm_layout_add(obj);
elm_layout_file_set(thumb, PACKAGE_DATA_DIR "/themes/default/ephoto.edj",
"/ephoto/thumb");
evas_object_size_hint_weight_set(thumb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_show(thumb);
o = elm_bg_add(thumb);
elm_bg_file_set(o, etd->thumb_path, NULL);
evas_object_resize(o, 176, 117);
elm_layout_content_set(thumb, "ephoto.swallow.content", o);
return thumb;
}
return NULL;
}
/*Get the state of the icon in the grid!*/
static Eina_Bool
_ephoto_get_state(const void *data, Evas_Object *obj, const char *part)
{
return EINA_FALSE;
}
/*Delete the grid*/
static void
_ephoto_grid_del(const void *data, Evas_Object *obj)
{
return;
}
/*Thumb clicked job*/
static void
_ephoto_thumb_clicked_job(void *data)
{
const char *file;
file = data;
/* evas_object_smart_callback_call(ef->flow_browser, "selected", file); */
/* em->flow_browser = ephoto_create_flow_browser(em->layout); */
/* ephoto_flow_browser_image_set(em->flow_browser, file); */
/* elm_layout_content_set(em->layout, "ephoto.content.swallow", em->flow_browser); */
}
/*Check to see if the thumbnail was double clicked*/
static void
_ephoto_thumb_clicked(void *data, Evas_Object *obj, void *event_info)
{
const Eina_List *selected;
Ephoto_Thumb_Data *etd;
Evas_Object *o;
Ephoto_Thumb_Browser *tb = data;
selected = elm_gengrid_selected_items_get(tb->thumb_browser);
o = eina_list_data_get(selected);
etd = (Ephoto_Thumb_Data *)elm_gengrid_item_data_get((Elm_Gengrid_Item *)o);
evas_object_smart_callback_call(tb->layout, "selected", etd->file);
// ecore_job_add(_ephoto_thumb_clicked_job, etd->file);
}
/*File Selector is shown*/
static void
_ephoto_fileselector_shown(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Ephoto_Thumb_Browser *tb = data;
elm_fileselector_path_set(obj, tb->current_directory);
evas_render(em->e);
}
/*Directory has been chosen*/
static void
_ephoto_directory_chosen(void *data, Evas_Object *obj, void *event_info)
{
const Eina_List *l, *iter;
Elm_Gengrid_Item *item;
Ephoto_Thumb_Data *etd;
const char *directory;
Ephoto_Thumb_Browser *tb = data;
directory = elm_fileselector_selected_get(obj);
if ((directory) && (eina_stringshare_replace(&tb->current_directory, directory)))
{
l = elm_gengrid_items_get(tb->thumb_browser);
EINA_LIST_FOREACH(l, iter, item)
{
etd = (Ephoto_Thumb_Data *)elm_gengrid_item_data_get(item);
eina_stringshare_del(etd->thumb_path);
eina_stringshare_del(etd->file);
free(etd);
}
elm_gengrid_clear(tb->thumb_browser);
eina_list_free(em->images);
em->images = NULL;
ephoto_populate_thumbnails(tb->layout);
elm_label_label_set(tb->dir_label, tb->current_directory);
if (tb->current_directory)
{
char *buffer;
int length;
length = strlen(tb->current_directory) + strlen("Ephoto - ") + 1;
buffer = alloca(length);
snprintf(buffer, length, "Ephoto - %s", tb->current_directory);
elm_win_title_set(em->win, buffer);
} else {
elm_win_title_set(em->win, "Ephoto");
}
}
evas_object_del(tb->fsel_win);
elm_toolbar_item_unselect_all(tb->toolbar);
}
/*Show the flow browser*/
static void
_ephoto_view_large(void *data, Evas_Object *obj, void *event_info)
{
const Eina_List *selected;
Evas_Object *o;
Ephoto_Thumb_Data *etd;
Ephoto_Thumb_Browser *tb = data;
selected = elm_gengrid_selected_items_get(tb->thumb_browser);
/* em->flow_browser = ephoto_create_flow_browser(em->layout); */
if (eina_list_data_get(selected))
{
o = eina_list_data_get(selected);
etd = (Ephoto_Thumb_Data *)elm_gengrid_item_data_get((Elm_Gengrid_Item *)o);
/* _ephoto_thumb_clicked_job(etd->file); */
evas_object_smart_callback_call(tb->layout, "selected", etd->file);
}
else
{
/* _ephoto_thumb_clicked_job( eina_list_data_get(em->images)); */
evas_object_smart_callback_call(tb->layout, "selected", eina_list_data_get(em->images));
}
elm_toolbar_item_unselect_all(tb->toolbar);
}
/*Change directory*/
static void
_ephoto_change_directory(void *data, Evas_Object *obj, void *event_info)
{
Evas_Object *fsel;
Ephoto_Thumb_Browser *tb = data;
tb->fsel_win = elm_win_inwin_add(em->win);
fsel = elm_fileselector_add(tb->fsel_win);
elm_fileselector_folder_only_set(fsel, EINA_TRUE);
elm_fileselector_buttons_ok_cancel_set(fsel, EINA_TRUE);
elm_fileselector_path_set(fsel, tb->current_directory);
evas_object_event_callback_add(fsel, EVAS_CALLBACK_SHOW,
_ephoto_fileselector_shown, tb);
evas_object_smart_callback_add(fsel, "done",
_ephoto_directory_chosen, tb);
elm_win_inwin_content_set(tb->fsel_win, fsel);
elm_win_inwin_activate(tb->fsel_win);
evas_object_show(fsel);
evas_object_show(tb->fsel_win);
}
/*Show slideshow*/
static void
_ephoto_view_slideshow(void *data, Evas_Object *obj, void *event_info)
{
Ephoto_Thumb_Browser *tb = data;
/* FIXME */
//ephoto_hide_thumb_browser();
ephoto_show_slideshow(0, NULL);
elm_toolbar_item_unselect_all(tb->toolbar);
}
/*Destroy the thumbnail browser object itself*/
static void
_ephoto_del_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Ephoto_Thumb_Browser *tb = data;
const Eina_List *items, *l, *iter;
Elm_Gengrid_Item *item;
Ephoto_Thumb_Data *etd;
l = elm_gengrid_items_get(tb->thumb_browser);
EINA_LIST_FOREACH(l, iter, item)
{
etd = (Ephoto_Thumb_Data *)elm_gengrid_item_data_get(item);
eina_stringshare_del(etd->thumb_path);
eina_stringshare_del(etd->file);
free(etd);
}
eina_stringshare_del(tb->current_directory);
ethumb_client_disconnect(tb->ec);
}