src/usb/usb-client-control.c

   1 /*
   2  * deviced
   3  *
   4  * Copyright (c) 2012 - 2013 Samsung Electronics Co., Ltd.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the License);
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 #include <vconf.h>
  20 #include <stdbool.h>
  21 #include "usb-client.h"
  22 #include "core/device-notifier.h"
  23
  24 #define VCONFKEY_USB_CONTROL "db/private/usb/usb_control"
  25
  26 static int usb_control = DEVICE_OPS_STATUS_START;
  27
  28 int control_start(enum device_flags flags)
  29 {
  30         int state;
  31
  32         if (usb_control == DEVICE_OPS_STATUS_START)
  33                 return 0;
  34
  35         usb_control = DEVICE_OPS_STATUS_START;
  36         if (vconf_set_int(VCONFKEY_USB_CONTROL, usb_control) != 0)
  37                 _E("Failed to set vconf");
  38
  39         state = get_current_usb_physical_state();
  40         usb_state_changed(state);
  41
  42         if (state > 0)
  43                 act_usb_connected();
  44
  45         return 0;
  46 }
  47
  48 int control_stop(enum device_flags flags)
  49 {
  50         int cur_mode;
  51         if (usb_control == DEVICE_OPS_STATUS_STOP)
  52                 return 0;
  53
  54         usb_control = DEVICE_OPS_STATUS_STOP;
  55         if (vconf_set_int(VCONFKEY_USB_CONTROL, usb_control) != 0)
  56                 _E("Failed to set vconf");
  57
  58         cur_mode = get_current_usb_mode();
  59         if (cur_mode <= SET_USB_NONE) {
  60                 _E("Current usb mode is already none");
  61                 return 0;
  62         }
  63
  64         unset_client_mode(cur_mode, false);
  65
  66         launch_syspopup(USB_RESTRICT);
  67
  68         return 0;
  69 }
  70
  71 int control_status(void)
  72 {
  73         return usb_control;
  74 }
  75
  76 static void check_prev_control_status(void)
  77 {
  78         if (vconf_get_int(VCONFKEY_USB_CONTROL, &usb_control) != 0)
  79                 usb_control = DEVICE_OPS_STATUS_START;
  80 }
  81
  82 static int usb_client_booting_done(void *data)
  83 {
  84         int state;
  85
  86         unregister_notifier(DEVICE_NOTIFIER_BOOTING_DONE, usb_client_booting_done);
  87         check_prev_control_status();
  88
  89         usbclient_init_booting_done();
  90
  91         state = get_current_usb_physical_state();
  92         usb_state_changed(state);
  93
  94         if (state > 0)
  95                 act_usb_connected();
  96
  97         return 0;
  98 }
  99
 100 void wait_until_booting_done(void)
 101 {
 102         register_notifier(DEVICE_NOTIFIER_BOOTING_DONE, usb_client_booting_done);
 103         usb_control = DEVICE_OPS_STATUS_STOP;
 104 }