Add calls-ussd interface
This commit is contained in:
Mohammed Sadiq
213
src/calls-ussd.c
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213
src/calls-ussd.c
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/*
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* Copyright (C) 2020 Purism SPC
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*
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* This file is part of Calls.
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*
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* Calls is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Calls is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Calls. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Mohammed Sadiq <sadiq@sadiqpk.org>
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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*/
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#include "calls-ussd.h"
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#include "enum-types.h"
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#include "util.h"
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/**
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* SECTION:calls-ussd
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* @short_description: An interface for handling USSD
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* @Title: CallsUssd
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*/
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G_DEFINE_INTERFACE (CallsUssd, calls_ussd, G_TYPE_OBJECT)
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enum {
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USSD_ADDED,
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USSD_CANCELLED,
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USSD_STATE_CHANGED,
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N_SIGNALS
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};
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static guint signals [N_SIGNALS];
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static void
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calls_ussd_default_init (CallsUssdInterface *iface)
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{
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/**
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* CallsUssd::ussd-added:
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* @self: a #CallsUssd
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* @response: a string
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*
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* Emitted when some USSD response is recieved
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*/
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signals[USSD_ADDED] =
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g_signal_new ("ussd-added",
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CALLS_TYPE_USSD,
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G_SIGNAL_RUN_LAST,
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0, NULL, NULL, NULL,
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G_TYPE_NONE,
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1, G_TYPE_STRING);
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/**
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* CallsUssd::ussd-cancelled:
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* @self: a #CallsUssd
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*
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* Emitted when the active USSD is cancelled. Shouldn't
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* be emitted if cancelled to immidiately request again.
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*/
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signals[USSD_CANCELLED] =
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g_signal_new ("ussd-cancelled",
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CALLS_TYPE_USSD,
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G_SIGNAL_RUN_LAST,
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0, NULL, NULL, NULL,
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G_TYPE_NONE, 0);
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/**
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* CallsUssd::ussd-state-changed:
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* @self: a #CallsUssd
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*
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* Emitted when the USSD state changes. Use
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* calls_ussd_get_state() to get the state.
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*/
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signals[USSD_STATE_CHANGED] =
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g_signal_new ("ussd-state-changed",
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CALLS_TYPE_USSD,
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G_SIGNAL_RUN_LAST,
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0, NULL, NULL, NULL,
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G_TYPE_NONE, 0);
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}
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CallsUssdState
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calls_ussd_get_state (CallsUssd *self)
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{
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CallsUssdInterface *iface;
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g_return_val_if_fail (CALLS_IS_USSD (self), CALLS_USSD_STATE_UNKNOWN);
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iface = CALLS_USSD_GET_IFACE (self);
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if (!iface->get_state)
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return CALLS_USSD_STATE_UNKNOWN;
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return iface->get_state (self);
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}
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void
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calls_ussd_initiate_async (CallsUssd *self,
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const char *command,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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CallsUssdInterface *iface;
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g_return_if_fail (CALLS_IS_USSD (self));
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g_return_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable));
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g_return_if_fail (command);
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iface = CALLS_USSD_GET_IFACE (self);
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if (iface->initiate_async)
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iface->initiate_async (self, command, cancellable, callback, user_data);
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}
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char *
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calls_ussd_initiate_finish (CallsUssd *self,
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GAsyncResult *result,
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GError **error)
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{
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CallsUssdInterface *iface;
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g_return_val_if_fail (CALLS_IS_USSD (self), NULL);
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iface = CALLS_USSD_GET_IFACE (self);
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if (iface->initiate_finish)
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return iface->initiate_finish (self, result, error);
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return NULL;
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}
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void
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calls_ussd_respond_async (CallsUssd *self,
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const char *response,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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CallsUssdInterface *iface;
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g_return_if_fail (CALLS_IS_USSD (self));
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g_return_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable));
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g_return_if_fail (response);
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iface = CALLS_USSD_GET_IFACE (self);
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if (iface->respond_async)
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iface->respond_async (self, response, cancellable, callback, user_data);
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}
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char *
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calls_ussd_respond_finish (CallsUssd *self,
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GAsyncResult *result,
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GError **error)
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{
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CallsUssdInterface *iface;
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g_return_val_if_fail (CALLS_IS_USSD (self), NULL);
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iface = CALLS_USSD_GET_IFACE (self);
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if (iface->respond_finish)
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return iface->respond_finish (self, result, error);
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return NULL;
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}
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void
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calls_ussd_cancel_async (CallsUssd *self,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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CallsUssdInterface *iface;
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g_return_if_fail (CALLS_IS_USSD (self));
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g_return_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable));
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iface = CALLS_USSD_GET_IFACE (self);
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if (iface->cancel_async)
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iface->cancel_async (self, cancellable, callback, user_data);
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}
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gboolean
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calls_ussd_cancel_finish (CallsUssd *self,
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GAsyncResult *result,
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GError **error)
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{
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CallsUssdInterface *iface;
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g_return_val_if_fail (CALLS_IS_USSD (self), FALSE);
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iface = CALLS_USSD_GET_IFACE (self);
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if (iface->cancel_finish)
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return iface->cancel_finish (self, result, error);
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return FALSE;
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}
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