lib/dialog.c

   1 /*****************************************************************************
   2  * dialog.c: libvlc dialog API
   3  *****************************************************************************
   4  * Copyright © 2016 VLC authors and VideoLAN
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation; either version 2.1 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  19  *****************************************************************************/
  20
  21 #ifdef HAVE_CONFIG_H
  22 # include "config.h"
  23 #endif
  24
  25 #include <assert.h>
  26
  27 #include <vlc/libvlc.h>
  28 #include <vlc/libvlc_dialog.h>
  29
  30 #include <vlc_common.h>
  31 #include <vlc_dialog.h>
  32
  33 #include "libvlc_internal.h"
  34
  35 static libvlc_dialog_question_type
  36 vlc_to_libvlc_dialog_question_type(vlc_dialog_question_type i_type)
  37 {
  38     switch (i_type)
  39     {
  40     case VLC_DIALOG_QUESTION_NORMAL: return LIBVLC_DIALOG_QUESTION_NORMAL;
  41     case VLC_DIALOG_QUESTION_WARNING: return LIBVLC_DIALOG_QUESTION_WARNING;
  42     case VLC_DIALOG_QUESTION_CRITICAL: return LIBVLC_DIALOG_QUESTION_CRITICAL;
  43     default: vlc_assert_unreachable();
  44     }
  45 }
  46
  47 static void
  48 display_error_cb(void *p_data, const char *psz_title, const char *psz_text)
  49 {
  50     libvlc_instance_t *p_instance = p_data;
  51
  52     p_instance->dialog.cbs.pf_display_error(p_instance->dialog.data, psz_title,
  53                                             psz_text);
  54 }
  55
  56 static void
  57 display_login_cb(void *p_data, vlc_dialog_id *p_id, const char *psz_title,
  58                  const char *psz_text, const char *psz_default_username,
  59                  bool b_ask_store)
  60 {
  61     libvlc_instance_t *p_instance = p_data;
  62
  63     p_instance->dialog.cbs.pf_display_login(p_instance->dialog.data,
  64                                             (libvlc_dialog_id *) p_id,
  65                                             psz_title, psz_text,
  66                                             psz_default_username, b_ask_store);
  67 }
  68
  69 static void
  70 display_question_cb(void *p_data, vlc_dialog_id *p_id, const char *psz_title,
  71                     const char *psz_text, vlc_dialog_question_type i_type,
  72                     const char *psz_cancel, const char *psz_action1,
  73                     const char *psz_action2)
  74 {
  75     libvlc_instance_t *p_instance = p_data;
  76     const libvlc_dialog_question_type i_ltype =
  77         vlc_to_libvlc_dialog_question_type(i_type);
  78
  79     p_instance->dialog.cbs.pf_display_question(p_instance->dialog.data,
  80                                                (libvlc_dialog_id *) p_id,
  81                                                psz_title, psz_text, i_ltype,
  82                                                psz_cancel,
  83                                                psz_action1, psz_action2);
  84 }
  85
  86 static void
  87 display_progress_cb(void *p_data, vlc_dialog_id *p_id, const char *psz_title,
  88                     const char *psz_text, bool b_indeterminate,
  89                     float f_position, const char *psz_cancel)
  90 {
  91     libvlc_instance_t *p_instance = p_data;
  92
  93     p_instance->dialog.cbs.pf_display_progress(p_instance->dialog.data,
  94                                                (libvlc_dialog_id *) p_id,
  95                                                psz_title, psz_text,
  96                                                b_indeterminate, f_position,
  97                                                psz_cancel);
  98 }
  99
 100 static void
 101 cancel_cb(void *p_data, vlc_dialog_id *p_id)
 102 {
 103     libvlc_instance_t *p_instance = p_data;
 104     p_instance->dialog.cbs.pf_cancel(p_instance->dialog.data,
 105                                      (libvlc_dialog_id *)p_id);
 106 }
 107
 108 static void
 109 update_progress_cb(void *p_data, vlc_dialog_id *p_id, float f_position,
 110                    const char *psz_text)
 111 {
 112     libvlc_instance_t *p_instance = p_data;
 113     p_instance->dialog.cbs.pf_update_progress(p_instance->dialog.data,
 114                                               (libvlc_dialog_id *) p_id,
 115                                               f_position, psz_text);
 116 }
 117
 118 void
 119 libvlc_dialog_set_callbacks(libvlc_instance_t *p_instance,
 120                             const libvlc_dialog_cbs *p_cbs, void *p_data)
 121 {
 122     libvlc_int_t *p_libvlc = p_instance->p_libvlc_int;
 123
 124     if (p_cbs != NULL)
 125     {
 126         const vlc_dialog_cbs dialog_cbs = {
 127             .pf_display_error = p_cbs->pf_display_error != NULL ?
 128                                 display_error_cb : NULL,
 129             .pf_display_login = p_cbs->pf_display_login ?
 130                                 display_login_cb : NULL,
 131             .pf_display_question = p_cbs->pf_display_question != NULL ?
 132                                    display_question_cb : NULL,
 133             .pf_display_progress = p_cbs->pf_display_progress != NULL ?
 134                                    display_progress_cb : NULL,
 135             .pf_cancel = p_cbs->pf_cancel != NULL ? cancel_cb : NULL,
 136             .pf_update_progress = p_cbs->pf_update_progress != NULL ?
 137                                   update_progress_cb : NULL,
 138         };
 139
 140         p_instance->dialog.cbs = *p_cbs;
 141         p_instance->dialog.data = p_data;
 142
 143         vlc_dialog_provider_set_callbacks(p_libvlc, &dialog_cbs, p_instance);
 144     }
 145     else
 146         vlc_dialog_provider_set_callbacks(p_libvlc, NULL, NULL);
 147 }
 148
 149 void
 150 libvlc_dialog_set_context(libvlc_dialog_id *p_id, void *p_context)
 151 {
 152     vlc_dialog_id_set_context((vlc_dialog_id *)p_id, p_context);
 153 }
 154
 155 void *
 156 libvlc_dialog_get_context(libvlc_dialog_id *p_id)
 157 {
 158     return vlc_dialog_id_get_context((vlc_dialog_id *)p_id);
 159 }
 160
 161 int
 162 libvlc_dialog_post_login(libvlc_dialog_id *p_id, const char *psz_username,
 163                          const char *psz_password, bool b_store)
 164 {
 165     int i_ret = vlc_dialog_id_post_login((vlc_dialog_id *)p_id, psz_username,
 166                                          psz_password, b_store);
 167     return i_ret == VLC_SUCCESS ? 0 : -1;
 168 }
 169
 170 int
 171 libvlc_dialog_post_action(libvlc_dialog_id *p_id, int i_action)
 172 {
 173     int i_ret = vlc_dialog_id_post_action((vlc_dialog_id *)p_id, i_action);
 174     return i_ret == VLC_SUCCESS ? 0 : -1;
 175 }
 176
 177 int
 178 libvlc_dialog_dismiss(libvlc_dialog_id *p_id)
 179 {
 180     int i_ret = vlc_dialog_id_dismiss((vlc_dialog_id *)p_id);
 181     return i_ret == VLC_SUCCESS ? 0 : -1;
 182 }