path: root/src/ise-language-change.cpp

/*
 * Copyright (c) 2012 - 2015 Samsung Electronics Co., Ltd All Rights Reserved
 *
 * Licensed under the Apache License, Version 2.0 (the License);
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an AS IS BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

#include "ise-language-change.h"
#include "ise.h"
#include <dlog.h>
#include <inputmethod.h>
#undef LOG_TAG
#define LOG_TAG "ISE_DEFAULT"

#define USE_EFL

static short int space_popup_width = NOT_USED;
static short int space_popup_height = NOT_USED;

static short int scroller_area_width = NOT_USED;
static short int scroller_area_height = NOT_USED;
static short int scroller_x = NOT_USED;
static short int scroller_y = NOT_USED;
static short int space_popup_width_padding = NOT_USED;

static short int arrow_image_width = NOT_USED;
static short int arrow_image_height = NOT_USED;
static short int arrow_image_x_padding = NOT_USED;
static short int arrow_image_y_padding = NOT_USED;
#ifdef _WEARABLE
#include <sclutils.h>
static short int space_image_width = NOT_USED;
static short int space_image_height = NOT_USED;
#endif

#ifdef _WEARABLE
#define IMG_ARROW_LEFT                  LAYOUTDIR"/wearable/image/button/B09_btn_arrow_left.png"
#define IMG_ARROW_RIGHT                 LAYOUTDIR"/wearable/image/button/B09_btn_arrow_right.png"
#define IMG_POPUP_FC_BG                 LAYOUTDIR"/wearable/image/button/language_change_popup_bg.png"
#define IMG_SPACE_POPUP_FC_PRESS        LAYOUTDIR"/wearable/image/button/B09_icon_space_popup_fc_press.png"
#define EDJ_FILE                        RESDIR"/edje/wearable/popup_custom.edj"
#define SPACE_SIZE_HEIGHT               111
#define SPACE_SIZE_WIDTH                194
#define SPACE_PADDING_X                 10
#define SPACE_PADDING_Y                 10
#define SPACE_KEY_HEIGHT                60
#else
#define IMG_ARROW_LEFT                  LAYOUTDIR "/" PROFILE_NAME"/image/button/btn_arrow_s_left.png"
#define IMG_ARROW_RIGHT                 LAYOUTDIR "/" PROFILE_NAME"/image/button/btn_arrow_s_right.png"
#define IMG_POPUP_FC_BG                 LAYOUTDIR "/" PROFILE_NAME"/image/button/language_change_popup_bg.png"
#define EDJ_FILE                        RESDIR "/edje/" PROFILE_NAME"/popup_custom.edj"
#endif

static short int lang_popup_x = NOT_USED;
static short int lang_popup_y = NOT_USED;

static short int old_ev_x = NOT_USED;
static short int old_ev_y = NOT_USED;

static int scroller_region_x = NOT_USED;
static int cw = NOT_USED;

bool lang_popup_on = false;

static Ecore_Event_Handler *_lang_popup_mouse_move_handler = NULL;
static Evas_Object *win = NULL;
static Evas_Object *image_ob = NULL;
#ifdef _WEARABLE
static Evas_Object *img_space = NULL;
#endif
static Evas_Object *scroller = NULL;
static Evas_Object *img_arrow_left = NULL;
static Evas_Object *img_arrow_right = NULL;

static ISELanguageManager _language_manager;

static Eina_Bool __ise_space_flick_lang_popup_move_cb(void *data, int type, void *event_info);
static void __ise_init_space_flick_lang_change_popup_variables(short int space_button_x, short int space_button_y, short int space_button_width, short int space_button_height);

void ise_show_space_flick_language_change_popup(short int space_button_x, short int space_button_y, short int space_button_width, short int space_button_height)
{
#ifdef _WEARABLE
    int space_button_width_tmp, space_button_height_tmp;
    CSCLUI *ui = get_ui();
    space_button_width_tmp = ui->get_scaled_x(SPACE_SIZE_WIDTH);
    space_button_height_tmp = ui->get_scaled_y(SPACE_SIZE_HEIGHT);
    space_button_x = ui->get_scaled_x(space_button_x + space_button_width) - space_button_width_tmp + ui->get_scaled_x(SPACE_PADDING_X);
    space_button_y = ui->get_scaled_y(space_button_y + space_button_height) - space_button_height_tmp + ui->get_scaled_y(SPACE_PADDING_Y + SPACE_KEY_HEIGHT);
    space_button_width = space_button_width_tmp;
    space_button_height = space_button_height_tmp;
#endif
    std::string left_text = "left";
    std::string center_text = "center";
    std::string right_text = "right";

    if (lang_popup_on)
        return;

    scluint num = _language_manager.get_enabled_languages_num();

#ifdef _WEARABLE
    if (num <= 1) {
        return;
    } else {
        left_text = _language_manager.get_current_language();
        center_text = _language_manager.get_next_language();
    }
#else
    if (num <= 1) {
        return;
    } else if (num == 2) {
        left_text = _language_manager.get_next_language();
        if (!left_text.empty()) {
            right_text = left_text;
        } else {
            right_text = _language_manager.get_previous_language();
            if (!right_text.empty()) {
                left_text = right_text;
            }
        }
        center_text = _language_manager.get_current_language();

    } else {
        left_text = _language_manager.get_next_language();
        center_text = _language_manager.get_current_language();
        right_text = _language_manager.get_previous_language();
    }
#endif

    __ise_init_space_flick_lang_change_popup_variables(space_button_x, space_button_y, space_button_width, space_button_height);

    int xPos = lang_popup_x;
    int yPos = lang_popup_y;

    win = elm_bg_add(NATIVE_WINDOW_CAST(ime_get_main_window()));
    image_ob = evas_object_image_add(evas_object_evas_get(win));
    evas_object_image_file_set(image_ob, IMG_POPUP_FC_BG, NULL);
    evas_object_image_border_set(image_ob, 1, 1, 1, 1);
    Evas_Load_Error err = evas_object_image_load_error_get(image_ob);
    if (err != EVAS_LOAD_ERROR_NONE) {
        LOGD("Could not load image, error string is \"%s\"", evas_load_error_str(err));
    } else {
        evas_object_image_fill_set(image_ob, 0, 0, space_popup_width, space_popup_height);
        evas_object_resize(image_ob, space_popup_width, space_popup_height);
        evas_object_move(image_ob, xPos, yPos);
#ifdef _WEARABLE
        evas_object_layer_set(image_ob, EVAS_LAYER_MAX);
#endif
        evas_object_show(image_ob);
    }
#ifdef _WEARABLE
#else
    evas_object_color_set(win, 255, 255, 255, 255);
#endif
    evas_object_resize(win, space_popup_width, space_popup_height);
    evas_object_move(win, xPos, yPos);
#ifdef _WEARABLE
#else
    evas_object_layer_set(win, EVAS_LAYER_MAX);
#endif
    evas_object_show(win);

#ifdef _WEARABLE
    img_space = evas_object_image_add(evas_object_evas_get(win));
    evas_object_image_file_set(img_space, IMG_SPACE_POPUP_FC_PRESS, NULL);
    evas_object_image_fill_set(img_space, 0, 0, space_image_width, space_image_height);
    evas_object_resize(img_space, space_image_width, space_image_height);
    evas_object_move(img_space, xPos + (space_button_width - space_image_width) / 2, yPos + (space_button_height / 2 - space_image_height) / 2 + space_button_height / 2);
    evas_object_layer_set(img_space, EVAS_LAYER_MAX);
    evas_object_show(img_space);
#endif

    img_arrow_left = evas_object_image_add(evas_object_evas_get(win));
    evas_object_image_file_set(img_arrow_left, IMG_ARROW_LEFT, NULL);
    evas_object_image_fill_set(img_arrow_left, 0, 0, arrow_image_width, arrow_image_height);
    evas_object_resize(img_arrow_left, arrow_image_width, arrow_image_height);
    evas_object_move(img_arrow_left, xPos + arrow_image_x_padding, yPos + scroller_y);
    evas_object_layer_set(img_arrow_left, EVAS_LAYER_MAX);

    img_arrow_right = evas_object_image_add(evas_object_evas_get(win));
    evas_object_image_file_set(img_arrow_right, IMG_ARROW_RIGHT, NULL);
    evas_object_image_fill_set(img_arrow_right, 0, 0, arrow_image_width, arrow_image_height);
    evas_object_resize(img_arrow_right, arrow_image_width, arrow_image_height);
    evas_object_move(img_arrow_right, xPos + space_popup_width - (arrow_image_width + arrow_image_x_padding), yPos + scroller_y);
    evas_object_layer_set(img_arrow_right, EVAS_LAYER_MAX);

    cw = -1;
    Evas_Object* _table = elm_table_add(win);
    evas_object_size_hint_weight_set(_table, 0.0, 0.0);
    evas_object_size_hint_align_set(_table, 0.0, 0.0);
    elm_table_padding_set(_table, 0, 0);
    evas_object_layer_set(_table, EVAS_LAYER_MAX);

    scroller = elm_scroller_add(win);
    elm_object_content_set(scroller, _table);
    evas_object_resize(scroller, scroller_area_width, scroller_area_height);
    evas_object_move(scroller, xPos + scroller_x, yPos);
    elm_scroller_policy_set(scroller, ELM_SCROLLER_POLICY_OFF, ELM_SCROLLER_POLICY_OFF);
    elm_scroller_propagate_events_set(scroller, EINA_TRUE);
    elm_scroller_page_relative_set(scroller, 0, 0);
    evas_object_layer_set(scroller, EVAS_LAYER_MAX);

    Evas_Object *label1 = edje_object_add(evas_object_evas_get(win));
    evas_object_show(label1);
    evas_object_layer_set(label1, EVAS_LAYER_MAX);
    edje_object_file_set(label1, EDJ_FILE, "language_label");
    edje_object_part_text_set(label1, "language_name", left_text.c_str());
    evas_object_size_hint_min_set(label1, scroller_area_width, scroller_area_height);
    elm_table_pack(_table, label1, 0, 0, scroller_area_width, scroller_area_height);

    Evas_Object *label2 = edje_object_add(evas_object_evas_get(win));
    evas_object_show(label2);
    evas_object_layer_set(label2, EVAS_LAYER_MAX);
    edje_object_file_set(label2, EDJ_FILE, "language_label");
    edje_object_part_text_set(label2, "language_name", center_text.c_str());
    evas_object_size_hint_min_set(label2, scroller_area_width, scroller_area_height);
    elm_table_pack(_table, label2, scroller_area_width, 0, scroller_area_width, scroller_area_height);

#ifdef _WEARABLE
#else
    Evas_Object *label3 = edje_object_add(evas_object_evas_get(win));
    evas_object_show(label3);
    evas_object_layer_set(label3, EVAS_LAYER_MAX);
    edje_object_file_set(label3, EDJ_FILE, "language_label");
    edje_object_part_text_set(label3, "language_name", right_text.c_str());
    evas_object_size_hint_min_set(label3, scroller_area_width, scroller_area_height);
    elm_table_pack(_table, label3, scroller_area_width * 2, 0, scroller_area_width, scroller_area_height);
#endif

    evas_object_show(img_arrow_left);
    evas_object_show(img_arrow_right);
    evas_object_show(_table);
    evas_object_show(scroller);

    elm_scroller_child_size_get(scroller, &cw, NULL);
    elm_scroller_region_show(scroller, cw, 0, scroller_area_width, 0);

    _lang_popup_mouse_move_handler = ecore_event_handler_add(ECORE_EVENT_MOUSE_MOVE, __ise_space_flick_lang_popup_move_cb, NULL);

    lang_popup_on = true;
}

void ise_destroy_space_flick_language_change_popup(void)
{
    if (!lang_popup_on)
        return;

    elm_scroller_page_size_set(scroller, cw, 0);

    if (win) {
        evas_object_del(win);
        win = NULL;
    }

#ifdef _WEARABLE
    if (image_ob) {
        evas_object_del(image_ob);
        image_ob = NULL;
    }

    if (img_space) {
        evas_object_del(img_space);
        img_space = NULL;
    }
#endif

    if (img_arrow_left) {
        evas_object_del(img_arrow_left);
        img_arrow_left = NULL;
    }

    if (img_arrow_right) {
        evas_object_del(img_arrow_right);
        img_arrow_right = NULL;
    }

    if (_lang_popup_mouse_move_handler) {
        ecore_event_handler_del(_lang_popup_mouse_move_handler);
        _lang_popup_mouse_move_handler = NULL;
    }

    scroller = NULL;
    lang_popup_on = false;
    scroller_region_x = -1;
    old_ev_x = NOT_USED;
    old_ev_y = NOT_USED;
}

static void __ise_init_space_flick_lang_change_popup_variables(short int space_button_x, short int space_button_y, short int space_button_width, short int space_button_height)
{
    space_popup_width = space_button_width;
    space_popup_height = space_button_height;

    arrow_image_width = space_popup_width / 15;
    arrow_image_height = space_popup_width / 15;
    arrow_image_x_padding = space_popup_width / 20;
    arrow_image_y_padding = space_popup_height / 10;

#ifdef _WEARABLE
    space_image_width = arrow_image_width * 12;
    space_image_height = space_popup_height / 4;
#endif

    scroller_x = (arrow_image_width + arrow_image_x_padding);
    scroller_y = (space_popup_height - arrow_image_height) / 2;
    space_popup_width_padding = scroller_x * 2;

    scroller_area_width = space_popup_width - space_popup_width_padding;
    scroller_area_height = space_popup_height;

    lang_popup_x = space_button_x - (space_popup_width - space_button_width) / 2;
    lang_popup_y = (space_button_y - space_popup_height - arrow_image_y_padding);
}

static Eina_Bool __ise_space_flick_lang_popup_move_cb(void *data, int type, void *event_info)
{
    Ecore_Event_Mouse_Move *ev = (Ecore_Event_Mouse_Move *)event_info;

    if (old_ev_x == NOT_USED && old_ev_y == NOT_USED) {
        old_ev_x = ev->x;
        old_ev_y = ev->y;
    }

    elm_scroller_region_get(scroller, &scroller_region_x, NULL, NULL, NULL);
    elm_scroller_region_show(scroller, scroller_region_x + (old_ev_x - ev->x)*3, 0, scroller_area_width, 0);

    old_ev_x = ev->x;
    old_ev_y = ev->y;

    return ECORE_CALLBACK_PASS_ON;
}