455 lines
14 KiB
C
455 lines
14 KiB
C
#include "ephoto.h"
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typedef enum _Ephoto_Flow_State Ephoto_Flow_State;
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enum _Ephoto_Flow_State
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{
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EPHOTO_FLOW_STATE_FLOW,
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EPHOTO_FLOW_STATE_SINGLE
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};
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typedef struct _Ephoto_Flow_Browser Ephoto_Flow_Browser;
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struct _Ephoto_Flow_Browser
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{
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Eina_Bool key_down;
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Eina_Bool mouse_wheel;
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Eina_List *current_index;
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Eina_List *items;
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Evas_Object *edje;
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Evas_Object *layout;
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Evas_Object *main_layout;
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Evas_Object *images[5];
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Evas_Object *img_edje[5];
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Evas_Object *toolbar;
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Ephoto_Flow_State efs;
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Ephoto_Entry *entry;
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Ephoto *ephoto;
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char *swallows[5];
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int flow_direct;
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struct {
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Elm_Toolbar_Item *go_back;
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Elm_Toolbar_Item *go_prev;
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Elm_Toolbar_Item *go_next;
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Elm_Toolbar_Item *slideshow;
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} action;
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};
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static void
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_entry_free(void *data, const Ephoto_Entry *entry __UNUSED__)
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{
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Ephoto_Flow_Browser *efb = data;
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efb->entry = NULL;
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}
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static Evas_Object *
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_add_image_edje(const char *swallow, Evas_Object *parent)
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{
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Evas_Object *o;
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o = elm_layout_add(parent);
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elm_layout_file_set
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(o, PACKAGE_DATA_DIR "/themes/default/ephoto.edj", "flow_image");
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elm_layout_content_set(parent, swallow, o);
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evas_object_show(o);
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return o;
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}
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static Evas_Object *
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_add_image(Evas_Object *swallow, Evas_Object *parent)
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{
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Evas_Object *o;
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o = elm_thumb_add(parent);
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elm_object_style_set(o, "noframe");
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elm_layout_content_set(swallow, "image", o);
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evas_object_show(o);
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return o;
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}
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static void
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_flow_browser_image_set(Ephoto_Flow_Browser *efb)
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{
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Eina_List *prevv, *prev, *next, *nextt;
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Ephoto_Entry *pp, *p, *n, *nn, *c;
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int i;
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prev = eina_list_prev(efb->current_index);
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if (!eina_list_data_get(prev))
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prev = eina_list_last(efb->items);
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prevv = eina_list_prev(prev);
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if (!eina_list_data_get(prevv))
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prevv = eina_list_last(efb->items);
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next = eina_list_next(efb->current_index);
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if (!eina_list_data_get(next))
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next = eina_list_nth_list(efb->items, 0);
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nextt = eina_list_next(next);
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if (!eina_list_data_get(nextt))
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nextt = eina_list_nth_list(efb->items, 0);
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pp = eina_list_data_get(prevv);
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p = eina_list_data_get(prev);
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c = eina_list_data_get(efb->current_index);
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n = eina_list_data_get(next);
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nn = eina_list_data_get(nextt);
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for (i = 0; i < 5; i++)
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{
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elm_layout_content_unset(efb->layout, efb->swallows[i]);
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elm_layout_content_unset(efb->img_edje[i], "image");
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}
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elm_thumb_file_set(efb->images[0], pp->path, NULL);
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elm_layout_content_set(efb->img_edje[0], "image", efb->images[0]);
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elm_layout_content_set(efb->layout, "offscreen_left", efb->img_edje[0]);
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elm_thumb_file_set(efb->images[1], p->path, NULL);
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elm_layout_content_set(efb->img_edje[1], "image", efb->images[1]);
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elm_layout_content_set(efb->layout, "left", efb->img_edje[1]);
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elm_thumb_file_set(efb->images[2], c->path, NULL);
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elm_layout_content_set(efb->img_edje[2], "image", efb->images[2]);
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elm_layout_content_set(efb->layout, "center", efb->img_edje[2]);
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elm_thumb_file_set(efb->images[3], n->path, NULL);
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elm_layout_content_set(efb->img_edje[3], "image", efb->images[3]);
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elm_layout_content_set(efb->layout, "right", efb->img_edje[3]);
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elm_thumb_file_set(efb->images[4], nn->path, NULL);
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elm_layout_content_set(efb->img_edje[4], "image", efb->images[4]);
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elm_layout_content_set(efb->layout, "offscreen_right", efb->img_edje[4]);
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elm_object_focus(efb->main_layout);
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}
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static void
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_flow_done(void *data, Evas_Object *o __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
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{
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Ephoto_Flow_Browser *efb = data;
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Evas_Object *edje;
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edje = elm_layout_edje_get(efb->layout);
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edje_object_freeze(edje);
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if (efb->flow_direct == 0)
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{
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efb->current_index = eina_list_prev(efb->current_index);
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if (!eina_list_data_get(efb->current_index))
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efb->current_index = eina_list_last(efb->items);
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_flow_browser_image_set(efb);
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}
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else
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{
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efb->current_index = eina_list_next(efb->current_index);
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if (!eina_list_data_get(efb->current_index))
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efb->current_index = eina_list_nth_list(efb->items, 0);
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_flow_browser_image_set(efb);
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}
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edje_object_signal_emit(edje, "reset", "ephoto");
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edje_object_thaw(edje);
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elm_toolbar_item_disabled_set(efb->action.go_prev, EINA_FALSE);
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elm_toolbar_item_disabled_set(efb->action.go_next, EINA_FALSE);
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efb->mouse_wheel = EINA_FALSE;
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efb->key_down = EINA_FALSE;
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}
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static void
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_flow_back(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Ephoto_Flow_Browser *efb = data;
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elm_toolbar_item_selected_set(efb->action.go_back, EINA_FALSE);
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evas_object_key_ungrab(efb->main_layout, "Escape", 0, 0);
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evas_object_key_ungrab(efb->main_layout, "Left", 0, 0);
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evas_object_key_ungrab(efb->main_layout, "Right", 0, 0);
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evas_object_key_ungrab(efb->main_layout, "BackSpace", 0, 0);
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evas_object_key_ungrab(efb->main_layout, "space", 0, 0);
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elm_object_unfocus(efb->main_layout);
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evas_object_smart_callback_call(efb->main_layout, "back", efb->entry);
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}
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static void
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_flow_prev(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Ephoto_Flow_Browser *efb = data;
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Evas_Object *edje;
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elm_toolbar_item_selected_set(efb->action.go_prev, EINA_FALSE);
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elm_toolbar_item_disabled_set(efb->action.go_prev, EINA_TRUE);
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elm_toolbar_item_disabled_set(efb->action.go_next, EINA_TRUE);
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efb->mouse_wheel = EINA_TRUE;
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efb->key_down = EINA_TRUE;
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edje = elm_layout_edje_get(efb->layout);
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if (efb->efs == EPHOTO_FLOW_STATE_SINGLE)
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{
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edje_object_signal_emit(edje, "full_reset", "ephoto");
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efb->efs = EPHOTO_FLOW_STATE_FLOW;
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}
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efb->flow_direct = 0;
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edje_object_signal_emit(edje, "right", "ephoto");
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}
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static void
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_flow_next(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Ephoto_Flow_Browser *efb = data;
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Evas_Object *edje;
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elm_toolbar_item_selected_set(efb->action.go_next, EINA_FALSE);
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elm_toolbar_item_disabled_set(efb->action.go_prev, EINA_TRUE);
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elm_toolbar_item_disabled_set(efb->action.go_next, EINA_TRUE);
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efb->mouse_wheel = EINA_TRUE;
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efb->key_down = EINA_TRUE;
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edje = elm_layout_edje_get(efb->layout);
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if (efb->efs == EPHOTO_FLOW_STATE_SINGLE)
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{
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edje_object_signal_emit(edje, "full_reset", "ephoto");
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efb->efs = EPHOTO_FLOW_STATE_FLOW;
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}
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efb->flow_direct = 1;
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edje_object_signal_emit(edje, "left", "ephoto");
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}
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static void
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_center_image_clicked(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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Ephoto_Flow_Browser *efb = data;
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Evas_Object *edje;
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edje = elm_layout_edje_get(efb->layout);
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if (efb->efs == EPHOTO_FLOW_STATE_FLOW)
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{
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edje_object_signal_emit(edje, "full", "ephoto");
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efb->efs = EPHOTO_FLOW_STATE_SINGLE;
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}
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else
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{
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edje_object_signal_emit(edje, "full_reset", "ephoto");
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efb->efs = EPHOTO_FLOW_STATE_FLOW;
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}
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}
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static void
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_show_slideshow(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Ephoto_Flow_Browser *efb = data;
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elm_toolbar_item_selected_set(efb->action.slideshow, EINA_FALSE);
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evas_object_key_ungrab(efb->main_layout, "Escape", 0, 0);
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evas_object_key_ungrab(efb->main_layout, "Left", 0, 0);
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evas_object_key_ungrab(efb->main_layout, "Right", 0, 0);
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evas_object_key_ungrab(efb->main_layout, "BackSpace", 0, 0);
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evas_object_key_ungrab(efb->main_layout, "space", 0, 0);
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evas_object_smart_callback_call(efb->main_layout, "slideshow", efb->entry);
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}
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static void
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_key_down(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
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{
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Ephoto_Flow_Browser *efb = data;
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Evas_Event_Key_Down *ev = event_info;
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const char *k = ev->keyname;
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if (efb->key_down)
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return;
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efb->key_down = EINA_TRUE;
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if (!strcmp(k, "Escape"))
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_flow_back(efb, NULL, NULL);
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if (!strcmp(k, "Left") || !strcmp(k, "BackSpace"))
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_flow_prev(efb, NULL, NULL);
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if (!strcmp(k, "Right") || !strcmp(k, "space"))
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_flow_next(efb, NULL, NULL);
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}
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static void
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_mouse_wheel(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
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{
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Ephoto_Flow_Browser *efb = data;
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Evas_Event_Mouse_Wheel *ev = event_info;
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if (efb->mouse_wheel)
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return;
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efb->mouse_wheel = EINA_TRUE;
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if (ev->z > 0)
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_flow_next(efb, NULL, NULL);
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else
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_flow_prev(efb, NULL, NULL);
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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_Flow_Browser *efb = data;
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if (efb->entry)
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ephoto_entry_free_listener_del(efb->entry, _entry_free, efb);
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free(efb);
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}
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static Elm_Toolbar_Item *
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_toolbar_item_add(Ephoto_Flow_Browser *efb, 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(efb->toolbar, icon, label,
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cb, efb);
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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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Evas_Object *
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ephoto_flow_browser_add(Ephoto *e, Evas_Object *parent)
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{
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Ephoto_Flow_Browser *efb;
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int i;
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efb = calloc(1, sizeof(Ephoto_Flow_Browser));
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efb->efs = EPHOTO_FLOW_STATE_FLOW;
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efb->swallows[0] = "offscreen_left";
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efb->swallows[1] = "left";
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efb->swallows[2] = "center";
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efb->swallows[3] = "right";
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efb->swallows[4] = "offscreen_right";
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efb->key_down = EINA_FALSE;
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efb->mouse_wheel = EINA_FALSE;
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efb->ephoto = e;
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efb->main_layout = elm_layout_add(parent);
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efb->edje = elm_layout_edje_get(efb->main_layout);
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evas_object_event_callback_add
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(efb->main_layout, EVAS_CALLBACK_DEL, _layout_del, efb);
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evas_object_event_callback_add
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(efb->main_layout, EVAS_CALLBACK_MOUSE_WHEEL, _mouse_wheel, efb);
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evas_object_event_callback_add
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(efb->main_layout, EVAS_CALLBACK_KEY_DOWN, _key_down, efb);
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evas_object_data_set(efb->main_layout, "flow_browser", efb);
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edje_object_signal_callback_add
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(efb->edje, "mouse,clicked,1", "toolbar_event", auto_hide_toolbar, efb->ephoto);
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if (!elm_layout_file_set
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(efb->main_layout, PACKAGE_DATA_DIR "/themes/default/ephoto.edj",
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"ephoto/layout/simple/autohide"))
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{
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ERR("could not load style 'ephoto/layout/simple' from theme");
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goto error;
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}
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efb->toolbar = elm_toolbar_add(efb->main_layout);
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elm_toolbar_homogenous_set(efb->toolbar, EINA_TRUE);
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elm_toolbar_mode_shrink_set(efb->toolbar, ELM_TOOLBAR_SHRINK_MENU);
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elm_toolbar_menu_parent_set(efb->toolbar, parent);
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evas_object_size_hint_weight_set(efb->toolbar, 0.0, 0.0);
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evas_object_size_hint_align_set(efb->toolbar, EVAS_HINT_FILL, 0.0);
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efb->action.go_back = _toolbar_item_add
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(efb, "edit-undo", "Back", 120, _flow_back);
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efb->action.go_prev = _toolbar_item_add
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(efb, "go-previous", "Previous", 100, _flow_prev);
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efb->action.go_next = _toolbar_item_add
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(efb, "go-next", "Next", 80, _flow_next);
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efb->action.slideshow = _toolbar_item_add
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(efb, "media-playback-start", "Slideshow", 70, _show_slideshow);
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elm_layout_content_set
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(efb->main_layout, "ephoto.toolbar.swallow", efb->toolbar);
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evas_object_show(efb->toolbar);
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efb->layout = elm_layout_add(efb->main_layout);
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elm_layout_file_set
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(efb->layout, PACKAGE_DATA_DIR "/themes/default/ephoto.edj", "flow");
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evas_object_size_hint_weight_set
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(efb->layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_size_hint_fill_set
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(efb->layout, EVAS_HINT_FILL, EVAS_HINT_FILL);
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evas_object_show(efb->layout);
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elm_layout_content_set
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(efb->main_layout, "ephoto.content.swallow", efb->layout);
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edje_object_signal_callback_add
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(elm_layout_edje_get(efb->layout), "done", "ephoto", _flow_done, efb);
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for (i = 0; i < 5; i++)
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{
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efb->img_edje[i] = _add_image_edje(efb->swallows[i], efb->layout);
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efb->images[i] = _add_image(efb->img_edje[i], efb->layout);
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if (i == 2)
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evas_object_event_callback_add
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(efb->img_edje[2], EVAS_CALLBACK_MOUSE_DOWN, _center_image_clicked, efb);
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}
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elm_object_focus_custom_chain_append(efb->main_layout, efb->layout, NULL);
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return efb->main_layout;
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error:
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evas_object_del(efb->main_layout);
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return NULL;
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}
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void
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ephoto_flow_browser_entry_set(Evas_Object *obj, Ephoto_Entry *entry)
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{
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Ephoto_Flow_Browser *efb = evas_object_data_get(obj, "flow_browser");
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Eina_Bool same_file = EINA_FALSE;
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Eina_List *l;
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Ephoto_Entry *itr;
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if (!evas_object_key_grab(efb->main_layout, "Escape", 0, 0, 1))
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printf("Couldn't grab Escape key\n");
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if (!evas_object_key_grab(efb->main_layout, "Left", 0, 0, 1))
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printf("Couldn't grab Left key\n");
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if (!evas_object_key_grab(efb->main_layout, "Right", 0, 0, 1))
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printf("Couldn't grab Right key\n");
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if (!evas_object_key_grab(efb->main_layout, "BackSpace", 0, 0, 1))
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printf("Couldn't grab BackSpace key\n");
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if (!evas_object_key_grab(efb->main_layout, "space", 0, 0, 1))
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printf("Couldn't grab space key\n");
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if (efb->entry)
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{
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ephoto_entry_free_listener_del(efb->entry, _entry_free, efb);
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if (entry && entry->path == efb->entry->path)
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same_file = EINA_TRUE;
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}
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efb->entry = entry;
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if (entry)
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ephoto_entry_free_listener_add(entry, _entry_free, efb);
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if (!efb->entry)
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{
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elm_toolbar_item_disabled_set(efb->action.go_prev, EINA_TRUE);
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elm_toolbar_item_disabled_set(efb->action.go_next, EINA_TRUE);
|
|
elm_toolbar_item_disabled_set(efb->action.slideshow, EINA_TRUE);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
elm_toolbar_item_disabled_set(efb->action.go_prev, EINA_FALSE);
|
|
elm_toolbar_item_disabled_set(efb->action.go_next, EINA_FALSE);
|
|
elm_toolbar_item_disabled_set(efb->action.slideshow, EINA_FALSE);
|
|
}
|
|
eina_list_free(efb->items);
|
|
efb->items = NULL;
|
|
EINA_LIST_FOREACH(efb->ephoto->entries, l, itr)
|
|
{
|
|
efb->items = eina_list_append(efb->items, itr);
|
|
if (itr == entry) efb->current_index = eina_list_last(efb->items);
|
|
}
|
|
_flow_browser_image_set(efb);
|
|
}
|
|
|