ActionsResultCallback.kt
/*
* Copyright 2023 The Android Open Source Project
*
* 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.
*/
package androidx.core.telecom.extensions
import android.os.Build
import android.util.Log
import androidx.annotation.RequiresApi
import androidx.annotation.RestrictTo
import androidx.core.telecom.CallControlResult
import androidx.core.telecom.CallException
import androidx.core.telecom.internal.utils.CapabilityExchangeUtils
import androidx.core.telecom.util.ExperimentalAppActions
import java.util.concurrent.CountDownLatch
import java.util.concurrent.TimeUnit
import kotlinx.coroutines.TimeoutCancellationException
import kotlinx.coroutines.withTimeout
@ExperimentalAppActions
@RequiresApi(Build.VERSION_CODES.O)
@RestrictTo(androidx.annotation.RestrictTo.Scope.LIBRARY)
class ActionsResultCallback : IActionsResultCallback.Stub() {
internal lateinit var result: CallControlResult
internal var errorMessage = "No error occurred"
internal val waitForActionResultLatch = CountDownLatch(1)
companion object {
private val TAG = ActionsResultCallback::class.simpleName
}
suspend fun waitForResponse(): CallControlResult {
try {
withTimeout(CapabilityExchangeUtils.ACTION_RESULT_RESPONSE_TIMEOUT) {
// Wait for VOIP app to return the result
if (waitForActionResultLatch.await(
CapabilityExchangeUtils.ACTION_RESULT_RESPONSE_TIMEOUT,
TimeUnit.MILLISECONDS)) {
Log.i(TAG, "waitForResponse: VoIP app returned a result")
}
}
} catch (e: TimeoutCancellationException) {
Log.i(TAG, "waitForResponse: timeout reached")
result = CallControlResult.Error(CallException.ERROR_OPERATION_TIMED_OUT)
}
return result
}
override fun onFailure(errorCode: Int, msg: String?) {
result = CallControlResult.Error(errorCode)
if (msg != null) {
errorMessage = msg
Log.i(TAG, "onFailure: $errorMessage")
}
// Todo: define some sort of retry logic that passes the errorCode back to the ICS app in
// order to allow them to determine how to handle the failure.
waitForActionResultLatch.countDown()
}
override fun onSuccess() {
result = CallControlResult.Success()
waitForActionResultLatch.countDown()
}
}