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extracting throwable crawling to extension

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This commit is contained in:
Adam Brown 2022-08-17 16:16:44 +01:00
parent cdeea21917
commit 8b70f3a3b9
2 changed files with 35 additions and 12 deletions
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34
vector/src/main/java/im/vector/app/core/extensions/Throwable.kt Normal file
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@ -0,0 +1,34 @@
/*
* Copyright (c) 2022 New Vector Ltd
*
* 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 im.vector.app.core.extensions
/**
* Recursive through the throwable and its causes for the given predicate
*
* @return true when the predicate finds a match
*/
tailrec fun Throwable?.crawlCausesFor(predicate: (Throwable) -> Boolean): Boolean {
return when {
this == null -> false
else -> {
when (predicate(this)) {
true -> true
else -> this.cause.crawlCausesFor(predicate)
}
}
}
}

13
vector/src/main/java/im/vector/app/features/onboarding/ftueauth/FtueAuthCaptchaFragment.kt
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@ -25,6 +25,7 @@ import android.view.ViewStub
import com.airbnb.mvrx.args
import com.google.android.material.dialog.MaterialAlertDialogBuilder
import im.vector.app.R
import im.vector.app.core.extensions.crawlCausesFor
import im.vector.app.databinding.FragmentFtueLoginCaptchaBinding
import im.vector.app.databinding.ViewStubWebviewBinding
import im.vector.app.features.onboarding.OnboardingAction
@ -102,16 +103,4 @@ private fun ViewStub.inflateWebView(onError: (Throwable) -> Unit) {
}
}
private fun Throwable?.crawlCausesFor(predicate: (Throwable) -> Boolean): Boolean {
return when {
this == null -> false
else -> {
when (predicate(this)) {
true -> true
else -> this.cause.crawlCausesFor(predicate)
}
}
}
}
private class MissingWebViewException(cause: Throwable) : IllegalStateException("Failed to load WebView provider: No WebView installed", cause)