bt-api/bt-hid.c

   1 /*
   2  * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *              http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 #include "bluetooth-api.h"
  19 #include "bluetooth-hid-api.h"
  20 #include "bt-internal-types.h"
  21
  22 #include "bt-common.h"
  23 #include "bt-request-sender.h"
  24 #include "bt-event-handler.h"
  25
  26 BT_EXPORT_API int bluetooth_hid_init(hid_cb_func_ptr callback_ptr, void *user_data)
  27 {
  28         int ret;
  29
  30         /* Register AVRCP events */
  31         ret = _bt_register_event(BT_HID_EVENT , (void *)callback_ptr, user_data);
  32
  33         if (ret != BLUETOOTH_ERROR_NONE &&
  34              ret != BLUETOOTH_ERROR_ALREADY_INITIALIZED) {
  35                 BT_ERR("Fail to init the event handler");
  36                 return ret;
  37         }
  38
  39         _bt_set_user_data(BT_HID, (void *)callback_ptr, user_data);
  40
  41         return BLUETOOTH_ERROR_NONE;
  42 }
  43
  44 BT_EXPORT_API int bluetooth_hid_deinit(void)
  45 {
  46         int ret;
  47
  48         ret = _bt_unregister_event(BT_HID_EVENT);
  49
  50         if (ret != BLUETOOTH_ERROR_NONE) {
  51                 BT_ERR("Fail to deinit the event handler");
  52                 return ret;
  53         }
  54
  55         _bt_set_user_data(BT_HID, NULL, NULL);
  56
  57         return BLUETOOTH_ERROR_NONE;
  58 }
  59
  60 BT_EXPORT_API int bluetooth_hid_connect(hid_device_address_t *device_address)
  61 {
  62         int result;
  63         bt_user_info_t *user_info;
  64
  65         BT_CHECK_PARAMETER(device_address, return);
  66         BT_CHECK_ENABLED(return);
  67
  68         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_CONNECT)
  69              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
  70                 BT_ERR("Don't have a privilege to use this API");
  71                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
  72         }
  73
  74         user_info = _bt_get_user_data(BT_HID);
  75         retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
  76
  77         BT_INIT_PARAMS();
  78         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
  79
  80         g_array_append_vals(in_param1, device_address, sizeof(bluetooth_device_address_t));
  81
  82         result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_HID_CONNECT,
  83                 in_param1, in_param2, in_param3, in_param4,
  84                 user_info->cb, user_info->user_data);
  85
  86         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
  87
  88         return result;
  89 }
  90
  91 BT_EXPORT_API int bluetooth_hid_disconnect(hid_device_address_t *device_address)
  92 {
  93         int result;
  94         bt_user_info_t *user_info;
  95
  96         BT_CHECK_PARAMETER(device_address, return);
  97         BT_CHECK_ENABLED(return);
  98
  99         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DISCONNECT)
 100              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 101                 BT_ERR("Don't have a privilege to use this API");
 102                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 103         }
 104
 105         user_info = _bt_get_user_data(BT_HID);
 106         retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
 107
 108         BT_INIT_PARAMS();
 109         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 110
 111         g_array_append_vals(in_param1, device_address, sizeof(bluetooth_device_address_t));
 112
 113         result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_HID_DISCONNECT,
 114                 in_param1, in_param2, in_param3, in_param4,
 115                 user_info->cb, user_info->user_data);
 116
 117         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 118
 119         return result;
 120 }
 121