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(const char *psz_title, const char *psz_text, void *p_data)
  49 {
  50     libvlc_instance_t *p_instance = p_data;
  51
  52     p_instance->dialog.cbs.pf_display_error(psz_title, psz_text,
  53                                             p_instance->dialog.data);
  54 }
  55
  56 static void
  57 display_login_cb(vlc_dialog_id *p_id, const char *psz_title,
  58                  const char *psz_text, const char *psz_default_username,
  59                  bool b_ask_store, void *p_data)
  60 {
  61     libvlc_instance_t *p_instance = p_data;
  62
  63     p_instance->dialog.cbs.pf_display_login((libvlc_dialog_id *) p_id,
  64                                              psz_title, psz_text,
  65                                              psz_default_username,
  66                                              b_ask_store,
  67                                              p_instance->dialog.data);
  68 }
  69
  70 static void
  71 display_question_cb(vlc_dialog_id *p_id, const char *psz_title,
  72                     const char *psz_text, vlc_dialog_question_type i_type,
  73                     const char *psz_cancel, const char *psz_action1,
  74                     const char *psz_action2, void *p_data)
  75 {
  76     libvlc_instance_t *p_instance = p_data;
  77     const libvlc_dialog_question_type i_ltype =
  78         vlc_to_libvlc_dialog_question_type(i_type);
  79
  80     p_instance->dialog.cbs.pf_display_question((libvlc_dialog_id *) p_id,
  81                                                psz_title, psz_text, i_ltype,
  82                                                psz_cancel,
  83                                                psz_action1, psz_action2,
  84                                                p_instance->dialog.data);
  85 }
  86
  87 static void
  88 display_progress_cb(vlc_dialog_id *p_id, const char *psz_title,
  89                     const char *psz_text, bool b_indeterminate,
  90                     float f_position, const char *psz_cancel, void *p_data)
  91 {
  92     libvlc_instance_t *p_instance = p_data;
  93
  94     p_instance->dialog.cbs.pf_display_progress((libvlc_dialog_id *) p_id,
  95                                                psz_title, psz_text,
  96                                                b_indeterminate, f_position,
  97                                                psz_cancel,
  98                                                p_instance->dialog.data);
  99 }
 100
 101 static void
 102 cancel_cb(vlc_dialog_id *p_id, void *p_data)
 103 {
 104     libvlc_instance_t *p_instance = p_data;
 105     p_instance->dialog.cbs.pf_cancel((libvlc_dialog_id *)p_id,
 106                                      p_instance->dialog.data);
 107 }
 108
 109 static void
 110 update_progress_cb(vlc_dialog_id *p_id, float f_position, const char *psz_text,
 111                    void *p_data)
 112 {
 113     libvlc_instance_t *p_instance = p_data;
 114     p_instance->dialog.cbs.pf_update_progress((libvlc_dialog_id *) p_id,
 115                                               f_position, psz_text,
 116                                               p_instance->dialog.data);
 117 }
 118
 119 void
 120 libvlc_dialog_set_callbacks(libvlc_instance_t *p_instance,
 121                             const libvlc_dialog_cbs *p_cbs, void *p_data)
 122 {
 123     libvlc_int_t *p_libvlc = p_instance->p_libvlc_int;
 124
 125     vlc_mutex_lock(&p_instance->instance_lock);
 126     if (p_cbs != NULL)
 127     {
 128         const vlc_dialog_cbs dialog_cbs = {
 129             .pf_display_error = p_cbs->pf_display_error != NULL ?
 130                                 display_error_cb : NULL,
 131             .pf_display_login = p_cbs->pf_display_login ?
 132                                 display_login_cb : NULL,
 133             .pf_display_question = p_cbs->pf_display_question != NULL ?
 134                                    display_question_cb : NULL,
 135             .pf_display_progress = p_cbs->pf_display_progress != NULL ?
 136                                    display_progress_cb : NULL,
 137             .pf_cancel = p_cbs->pf_cancel != NULL ? cancel_cb : NULL,
 138             .pf_update_progress = p_cbs->pf_update_progress != NULL ?
 139                                   update_progress_cb : NULL,
 140         };
 141
 142         p_instance->dialog.cbs = *p_cbs;
 143         p_instance->dialog.data = p_data;
 144
 145         vlc_dialog_provider_set_callbacks(p_libvlc, &dialog_cbs, p_instance);
 146     }
 147     else
 148         vlc_dialog_provider_set_callbacks(p_libvlc, NULL, NULL);
 149     vlc_mutex_unlock(&p_instance->instance_lock);
 150 }
 151
 152 void
 153 libvlc_dialog_set_context(libvlc_dialog_id *p_id, void *p_context)
 154 {
 155     vlc_dialog_id_set_context((vlc_dialog_id *)p_id, p_context);
 156 }
 157
 158 void *
 159 libvlc_dialog_get_context(libvlc_dialog_id *p_id)
 160 {
 161     return vlc_dialog_id_get_context((vlc_dialog_id *)p_id);
 162 }
 163
 164 int
 165 libvlc_dialog_post_login(libvlc_dialog_id *p_id, const char *psz_username,
 166                          const char *psz_password, bool b_store)
 167 {
 168     int i_ret = vlc_dialog_id_post_login((vlc_dialog_id *)p_id, psz_username,
 169                                          psz_password, b_store);
 170     return i_ret == VLC_SUCCESS ? 0 : -1;
 171 }
 172
 173 int
 174 libvlc_dialog_post_action(libvlc_dialog_id *p_id, int i_action)
 175 {
 176     int i_ret = vlc_dialog_id_post_action((vlc_dialog_id *)p_id, i_action);
 177     return i_ret == VLC_SUCCESS ? 0 : -1;
 178 }
 179
 180 int
 181 libvlc_dialog_dismiss(libvlc_dialog_id *p_id)
 182 {
 183     int i_ret = vlc_dialog_id_dismiss((vlc_dialog_id *)p_id);
 184     return i_ret == VLC_SUCCESS ? 0 : -1;
 185 }