1 /*
<lambda>null2 * Copyright (C) 2024 The Android Open Source Project
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 package com.android.settings.network.telephony.ims
18
19 import android.telephony.ims.ProvisioningManager
20 import android.telephony.ims.ProvisioningManager.FeatureProvisioningCallback
21 import android.telephony.ims.feature.MmTelFeature.MmTelCapabilities.MmTelCapability
22 import android.telephony.ims.stub.ImsRegistrationImplBase.ImsRegistrationTech
23 import android.util.Log
24 import androidx.annotation.VisibleForTesting
25 import kotlinx.coroutines.Dispatchers
26 import kotlinx.coroutines.asExecutor
27 import kotlinx.coroutines.channels.awaitClose
28 import kotlinx.coroutines.flow.Flow
29 import kotlinx.coroutines.flow.callbackFlow
30 import kotlinx.coroutines.flow.catch
31 import kotlinx.coroutines.flow.conflate
32 import kotlinx.coroutines.flow.flowOn
33 import kotlinx.coroutines.flow.onEach
34
35 private const val TAG = "ImsFeatureProvisioned"
36
37 fun imsFeatureProvisionedFlow(
38 subId: Int,
39 @MmTelCapability capability: Int,
40 @ImsRegistrationTech tech: Int,
41 ): Flow<Boolean> = imsFeatureProvisionedFlow(
42 subId = subId,
43 capability = capability,
44 tech = tech,
45 provisioningManager = ProvisioningManager.createForSubscriptionId(subId),
46 )
47
48 @VisibleForTesting
49 fun imsFeatureProvisionedFlow(
50 subId: Int,
51 @MmTelCapability capability: Int,
52 @ImsRegistrationTech tech: Int,
53 provisioningManager : ProvisioningManager,
54 ): Flow<Boolean> = callbackFlow {
55 val callback = object : FeatureProvisioningCallback() {
56 override fun onFeatureProvisioningChanged(
57 receivedCapability: Int,
58 receivedTech: Int,
59 isProvisioned: Boolean,
60 ) {
61 if (capability == receivedCapability && tech == receivedTech) trySend(isProvisioned)
62 }
63
64 override fun onRcsFeatureProvisioningChanged(
65 capability: Int,
66 tech: Int,
67 isProvisioned: Boolean,
68 ) {
69 }
70 }
71
72 provisioningManager.registerFeatureProvisioningChangedCallback(
73 Dispatchers.Default.asExecutor(),
74 callback,
75 )
76 trySend(provisioningManager.getProvisioningStatusForCapability(capability, tech))
77
78 awaitClose { provisioningManager.unregisterFeatureProvisioningChangedCallback(callback) }
79 }.catch { e ->
80 Log.w(TAG, "[$subId] error while imsFeatureProvisionedFlow", e)
<lambda>null81 }.conflate().onEach {
82 Log.d(TAG, "[$subId] changed: capability=$capability tech=$tech isProvisioned=$it")
83 }.flowOn(Dispatchers.Default)
84