common/mm_sound_utils.c

   1 /*
   2  * libmm-sound
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: Seungbae Shin <seungbae.shin@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21
  22 #include <sys/types.h>
  23 #include <sys/stat.h>
  24 #include <fcntl.h>
  25 #include <stdlib.h>
  26 #include <stdio.h>
  27 #include <unistd.h>
  28 #include <errno.h>
  29 #include <glib.h>
  30
  31 #include <vconf.h>
  32 #include <vconf-keys.h>
  33 #include <mm_types.h>
  34 #include <mm_error.h>
  35 #include <mm_debug.h>
  36 #include "../include/mm_sound_private.h"
  37 #include "../include/mm_sound.h"
  38 #include "../include/mm_sound_common.h"
  39 #include "../include/mm_sound_utils.h"
  40
  41 #define MM_SOUND_DEFAULT_VOLUME_SYSTEM                  9
  42 #define MM_SOUND_DEFAULT_VOLUME_NOTIFICATION    11
  43 #define MM_SOUND_DEFAULT_VOLUME_ALARAM                  7
  44 #define MM_SOUND_DEFAULT_VOLUME_RINGTONE                11
  45 #define MM_SOUND_DEFAULT_VOLUME_MEDIA                   7
  46 #define MM_SOUND_DEFAULT_VOLUME_CALL                    4
  47 #define MM_SOUND_DEFAULT_VOLUME_VOIP                    4
  48 #define MM_SOUND_DEFAULT_VOLUME_VOICE                   7
  49 #define MM_SOUND_DEFAULT_VOLUME_ANDROID                 0
  50
  51 static char *g_volume_vconf[VOLUME_TYPE_MAX] = {
  52         VCONF_KEY_VOLUME_TYPE_SYSTEM,           /* VOLUME_TYPE_SYSTEM */
  53         VCONF_KEY_VOLUME_TYPE_NOTIFICATION,     /* VOLUME_TYPE_NOTIFICATION */
  54         VCONF_KEY_VOLUME_TYPE_ALARM,            /* VOLUME_TYPE_ALARM */
  55         VCONF_KEY_VOLUME_TYPE_RINGTONE,         /* VOLUME_TYPE_RINGTONE */
  56         VCONF_KEY_VOLUME_TYPE_MEDIA,            /* VOLUME_TYPE_MEDIA */
  57         VCONF_KEY_VOLUME_TYPE_CALL,                     /* VOLUME_TYPE_CALL */
  58         VCONF_KEY_VOLUME_TYPE_VOIP,                     /* VOLUME_TYPE_VOIP */
  59         VCONF_KEY_VOLUME_TYPE_VOICE,            /* VOLUME_TYPE_VOICE */
  60         VCONF_KEY_VOLUME_TYPE_ANDROID           /* VOLUME_TYPE_FIXED */
  61 };
  62 static char *g_volume_str[VOLUME_TYPE_MAX] = {
  63         "SYSTEM",
  64         "NOTIFICATION",
  65         "ALARM",
  66         "RINGTONE",
  67         "MEDIA",
  68         "CALL",
  69         "VOIP",
  70         "VOICE",
  71         "FIXED",
  72 };
  73
  74 EXPORT_API
  75 int mm_sound_util_volume_get_value_by_type(volume_type_t type, unsigned int *value)
  76 {
  77         int ret = MM_ERROR_NONE;
  78         int vconf_value = 0;
  79
  80         /* Get volume value from VCONF */
  81         if (vconf_get_int(g_volume_vconf[type], &vconf_value)) {
  82                 debug_error ("vconf_get_int(%s) failed..\n", g_volume_vconf[type]);
  83                 return MM_ERROR_SOUND_INTERNAL;
  84         }
  85
  86         *value = vconf_value;
  87         if (ret == MM_ERROR_NONE)
  88                 debug_log("volume_get_value %s %d",  g_volume_str[type], *value);
  89
  90         return ret;
  91 }
  92
  93 EXPORT_API
  94 int mm_sound_util_volume_set_value_by_type(volume_type_t type, unsigned int value)
  95 {
  96         int ret = MM_ERROR_NONE;
  97         int vconf_value = 0;
  98
  99         vconf_value = value;
 100         debug_log("volume_set_value %s %d",  g_volume_str[type], value);
 101
 102         /* Set volume value to VCONF */
 103         if ((ret = vconf_set_int(g_volume_vconf[type], vconf_value)) != 0) {
 104                 int vconf_errno;
 105                 vconf_errno = vconf_get_ext_errno();
 106                 debug_error ("vconf_set_int(%s) failed..ret[%d] errno[%d]\n", g_volume_vconf[type], ret, vconf_errno);
 107                 if (vconf_errno == VCONF_ERROR_FILE_PERM)
 108                         return MM_ERROR_SOUND_PERMISSION_DENIED;
 109                 else
 110                         return MM_ERROR_SOUND_INTERNAL;
 111         }
 112         return ret;
 113 }
 114
 115 EXPORT_API
 116 bool mm_sound_util_is_recording (void)
 117 {
 118         /* FIXME : is this function needs anymore ??? */
 119         return false;
 120 }
 121
 122 EXPORT_API
 123 bool mm_sound_util_is_process_alive(pid_t pid)
 124 {
 125         gchar *tmp = NULL;
 126         int ret = -1;
 127
 128         if (pid > 999999 || pid < 2)
 129                 return false;
 130
 131         if ((tmp = g_strdup_printf("/proc/%d", pid))) {
 132                 ret = access(tmp, F_OK);
 133                 g_free(tmp);
 134         }
 135
 136         if (ret == -1) {
 137                 if (errno == ENOENT) {
 138                         debug_warning ("/proc/%d not exist", pid);
 139                         return false;
 140                 } else {
 141                         debug_error ("/proc/%d access errno[%d]", pid, errno);
 142
 143                         /* FIXME: error occured but file exists */
 144                         return true;
 145                 }
 146         }
 147
 148         return true;
 149 }