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/*
* Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the License);
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <call.h>
#include <vconf.h>
#include <vconf-keys.h>
#include <dlog.h>
#include <glib.h>
#ifdef LOG_TAG
#undef LOG_TAG
#endif
#define LOG_TAG "CAPI_TELEPHONY__CALL"
typedef struct _call_cb_data
{
call_state_e previous_state; // previous call state
const void* state_changed_cb; // call_state_changed_cb
void* user_data; // user data
} call_cb_data;
static bool is_registered = false; // whether vconf_notify_key_changed is registered or not
static call_cb_data voice_call_cb = {CALL_STATE_IDLE, NULL, NULL};
static call_cb_data video_call_cb = {CALL_STATE_IDLE, NULL, NULL};
// Internal Macros
#define CALL_CHECK_INPUT_PARAMETER(arg) \
if( arg == NULL ) \
{ \
LOGE("[%s] INVALID_PARAMETER(0x%08x)", __FUNCTION__, CALL_ERROR_INVALID_PARAMETER); \
return CALL_ERROR_INVALID_PARAMETER; \
}
// Callback function adapter
static void __call_state_changed_cb_adapter(keynode_t *node, void* user_data)
{
call_state_e current_call_state = CALL_STATE_IDLE;
// Check whether the state of voice call is changed
if( voice_call_cb.state_changed_cb != NULL )
{
if( call_get_voice_call_state(¤t_call_state) == CALL_ERROR_NONE )
{
if( voice_call_cb.previous_state != current_call_state )
{
((call_state_changed_cb)(voice_call_cb.state_changed_cb))(current_call_state, voice_call_cb.user_data);
voice_call_cb.previous_state = current_call_state;
}
}
}
// Check whether the state of video call is changed
if( video_call_cb.state_changed_cb != NULL )
{
if( call_get_video_call_state(¤t_call_state) == CALL_ERROR_NONE )
{
if( video_call_cb.previous_state != current_call_state )
{
((call_state_changed_cb)(video_call_cb.state_changed_cb))(current_call_state, video_call_cb.user_data);
video_call_cb.previous_state = current_call_state;
}
}
}
}
int call_get_voice_call_state(call_state_e *call_state)
{
int vconf_value = 0;
CALL_CHECK_INPUT_PARAMETER(call_state);
if( vconf_get_int(VCONFKEY_CALL_STATE, &vconf_value) != 0 )
{
LOGE("[%s] OPERATION_FAILED(0x%08x) : failed to get call state", __FUNCTION__, CALL_ERROR_OPERATION_FAILED);
return CALL_ERROR_OPERATION_FAILED;
}
if( vconf_value == VCONFKEY_CALL_VOICE_CONNECTING )
{
LOGI("[%s] The state of voice call is CALL_STATE_CONNECTING", __FUNCTION__);
*call_state = CALL_STATE_CONNECTING;
}
else if( vconf_value == VCONFKEY_CALL_VOICE_ACTIVE )
{
LOGI("[%s] The state of voice call is CALL_STATE_ACTIVE", __FUNCTION__);
*call_state = CALL_STATE_ACTIVE;
}
else
{
LOGI("[%s] The state of voice call is CALL_STATE_IDLE", __FUNCTION__);
*call_state = CALL_STATE_IDLE;
}
return CALL_ERROR_NONE;
}
int call_get_video_call_state(call_state_e *call_state)
{
int vconf_value = 0;
CALL_CHECK_INPUT_PARAMETER(call_state);
if( vconf_get_int(VCONFKEY_CALL_STATE, &vconf_value) != 0 )
{
LOGE("[%s] OPERATION_FAILED(0x%08x) : failed to get call state", __FUNCTION__, CALL_ERROR_OPERATION_FAILED);
return CALL_ERROR_OPERATION_FAILED;
}
if( vconf_value == VCONFKEY_CALL_VIDEO_CONNECTING )
{
LOGI("[%s] The state of video call is CALL_STATE_CONNECTING", __FUNCTION__);
*call_state = CALL_STATE_CONNECTING;
}
else if( vconf_value == VCONFKEY_CALL_VIDEO_ACTIVE )
{
LOGI("[%s] The state of video call is CALL_STATE_ACTIVE", __FUNCTION__);
*call_state = CALL_STATE_ACTIVE;
}
else
{
LOGI("[%s] The state of video call is CALL_STATE_IDLE", __FUNCTION__);
*call_state = CALL_STATE_IDLE;
}
return CALL_ERROR_NONE;
}
int call_set_voice_call_state_changed_cb(call_state_changed_cb callback, void* user_data)
{
call_state_e voice_call_state = CALL_STATE_IDLE;
CALL_CHECK_INPUT_PARAMETER(callback);
if( call_get_voice_call_state(&voice_call_state) != CALL_ERROR_NONE )
{
LOGE("[%s] OPERATION_FAILED(0x%08x) : fail to get the current state of voice call",
__FUNCTION__, CALL_ERROR_OPERATION_FAILED);
return CALL_ERROR_OPERATION_FAILED;
}
if( is_registered == false )
{
if( vconf_notify_key_changed(VCONFKEY_CALL_STATE, (vconf_callback_fn)__call_state_changed_cb_adapter, NULL) != 0 )
{
LOGE("[%s] OPERATION_FAILED(0x%08x) : fail to register callback function", __FUNCTION__, CALL_ERROR_OPERATION_FAILED);
return CALL_ERROR_OPERATION_FAILED;
}
is_registered = true;
}
voice_call_cb.previous_state = voice_call_state;
voice_call_cb.state_changed_cb = callback;
voice_call_cb.user_data = user_data;
return CALL_ERROR_NONE;
}
int call_unset_voice_call_state_changed_cb()
{
if( video_call_cb.state_changed_cb == NULL && is_registered == true )
{
if( vconf_ignore_key_changed(VCONFKEY_CALL_STATE, (vconf_callback_fn)__call_state_changed_cb_adapter) != 0 )
{
LOGE("[%s] OPERATION_FAILED(0x%08x) : fail to unregister callback function", __FUNCTION__, CALL_ERROR_OPERATION_FAILED);
return CALL_ERROR_OPERATION_FAILED;
}
is_registered = false;
}
voice_call_cb.previous_state = CALL_STATE_IDLE;
voice_call_cb.state_changed_cb = NULL;
voice_call_cb.user_data = NULL;
return CALL_ERROR_NONE;
}
int call_set_video_call_state_changed_cb(call_state_changed_cb callback, void* user_data)
{
call_state_e video_call_state = CALL_STATE_IDLE;
CALL_CHECK_INPUT_PARAMETER(callback);
if( call_get_video_call_state(&video_call_state) != CALL_ERROR_NONE )
{
LOGE("[%s] OPERATION_FAILED(0x%08x) : fail to get the current state of video call",
__FUNCTION__, CALL_ERROR_OPERATION_FAILED);
return CALL_ERROR_OPERATION_FAILED;
}
if( is_registered == false )
{
if( vconf_notify_key_changed(VCONFKEY_CALL_STATE, (vconf_callback_fn)__call_state_changed_cb_adapter, NULL) != 0 )
{
LOGE("[%s] OPERATION_FAILED(0x%08x) : fail to register callback function", __FUNCTION__, CALL_ERROR_OPERATION_FAILED);
return CALL_ERROR_OPERATION_FAILED;
}
is_registered = true;
}
video_call_cb.previous_state = video_call_state;
video_call_cb.state_changed_cb = callback;
video_call_cb.user_data = user_data;
return CALL_ERROR_NONE;
}
int call_unset_video_call_state_changed_cb()
{
if( voice_call_cb.state_changed_cb == NULL && is_registered == true )
{
if( vconf_ignore_key_changed(VCONFKEY_CALL_STATE, (vconf_callback_fn)__call_state_changed_cb_adapter) != 0 )
{
LOGE("[%s] OPERATION_FAILED(0x%08x) : fail to unregister callback function", __FUNCTION__, CALL_ERROR_OPERATION_FAILED);
return CALL_ERROR_OPERATION_FAILED;
}
is_registered = false;
}
video_call_cb.previous_state = CALL_STATE_IDLE;
video_call_cb.state_changed_cb = NULL;
video_call_cb.user_data = NULL;
return CALL_ERROR_NONE;
}
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