[PATCH V2 2/4] voicecall: add ATD support for HFP emulator

[=?unknown-8bit?q?Fr=C3=A9d=C3=A9ric?= Danis <frederic.danis@linux.intel.com>]

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---
 src/voicecall.c |   78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 78 insertions(+), 0 deletions(-)

diff --git a/src/voicecall.c b/src/voicecall.c
index 7dbb311..ff1f0fc 100644
--- a/src/voicecall.c
+++ b/src/voicecall.c
@@ -2458,6 +2458,10 @@ static void emulator_hfp_unregister(struct ofono_atom *atom)
 						OFONO_ATOM_TYPE_EMULATOR_HFP,
 						emulator_remove_handler,
 						"+CHLD");
+	__ofono_modem_foreach_registered_atom(modem,
+						OFONO_ATOM_TYPE_EMULATOR_HFP,
+						emulator_remove_handler,
+						"D");
 
 	__ofono_modem_remove_atom_watch(modem, vc->hfp_watch);
 }
@@ -2903,6 +2907,79 @@ fail:
 	ofono_emulator_send_final(em, &result);
 }
 
+static void emulator_dial_callback(const struct ofono_error *error, void *data)
+{
+	struct ofono_voicecall *vc = data;
+	const char *number = NULL;
+	gboolean need_to_emit;
+	struct voicecall *v;
+
+	v = dial_handle_result(vc, error, number, &need_to_emit);
+
+	if (v == NULL) {
+		struct ofono_modem *modem = __ofono_atom_get_modem(vc->atom);
+
+		if (is_emergency_number(vc, number) == TRUE)
+			__ofono_modem_dec_emergency_mode(modem);
+	}
+
+	if (need_to_emit)
+		voicecalls_emit_call_added(vc, v);
+}
+
+static void emulator_dial(struct ofono_emulator *em, struct ofono_voicecall *vc,
+				const char *number)
+{
+	struct ofono_error result;
+	int err;
+
+	result.error = 0;
+
+	if (number == NULL || number[0] == '\0') {
+		result.type = OFONO_ERROR_TYPE_FAILURE;
+		goto send;
+	}
+
+	err = voicecall_dial(vc, number, OFONO_CLIR_OPTION_DEFAULT,
+					emulator_dial_callback, vc);
+	switch (err) {
+	case 0:
+		result.type = OFONO_ERROR_TYPE_NO_ERROR;
+		break;
+
+	case -ENETDOWN:
+		result.error = 30;
+		result.type = OFONO_ERROR_TYPE_CME;
+		break;
+
+	default:
+		result.type = OFONO_ERROR_TYPE_FAILURE;
+	}
+
+send:
+	ofono_emulator_send_final(em, &result);
+}
+
+static void emulator_atd_cb(struct ofono_emulator *em,
+			struct ofono_emulator_request *req, void *userdata)
+{
+	struct ofono_voicecall *vc = userdata;
+	const char *str;
+	struct ofono_error result;
+
+	switch (ofono_emulator_request_get_type(req)) {
+	case OFONO_EMULATOR_REQUEST_TYPE_SET:
+		str = ofono_emulator_request_get_raw(req);
+		emulator_dial(em, vc, str);
+		break;
+
+	default:
+		result.error = 0;
+		result.type = OFONO_ERROR_TYPE_FAILURE;
+		ofono_emulator_send_final(em, &result);
+	};
+}
+
 static void emulator_hfp_watch(struct ofono_atom *atom,
 				enum ofono_atom_watch_condition cond,
 				void *data)
@@ -2918,6 +2995,7 @@ static void emulator_hfp_watch(struct ofono_atom *atom,
 	ofono_emulator_add_handler(em, "+CHUP", emulator_chup_cb, data, NULL);
 	ofono_emulator_add_handler(em, "+CLCC", emulator_clcc_cb, data, NULL);
 	ofono_emulator_add_handler(em, "+CHLD", emulator_chld_cb, data, NULL);
+	ofono_emulator_add_handler(em, "D", emulator_atd_cb, data, NULL);
 }
 
 void ofono_voicecall_register(struct ofono_voicecall *vc)
-- 
1.7.1