75 lines
2.5 KiB
Kotlin
75 lines
2.5 KiB
Kotlin
/*
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* Copyright 2016 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.ehviewer.preference
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import android.content.Context
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import android.util.AttributeSet
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import com.hippo.ehviewer.download.DownloadManager as downloadManager
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import com.hippo.ehviewer.GetText
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import com.hippo.ehviewer.R
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import com.hippo.ehviewer.Settings
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import com.hippo.unifile.UniFile
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import eu.kanade.tachiyomi.util.lang.launchUI
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import eu.kanade.tachiyomi.util.lang.withUIContext
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import kotlinx.coroutines.Job
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import kotlinx.coroutines.launch
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private val NO_REDUNDANCY =
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GetText.getString(R.string.settings_download_clean_redundancy_no_redundancy)
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private val CLEAR_REDUNDANCY_DONE =
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{ cnt: Int -> GetText.getString(R.string.settings_download_clean_redundancy_done, cnt) }
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private val FINAL_CLEAR_REDUNDANCY_MSG =
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{ cnt: Int -> if (cnt == 0) NO_REDUNDANCY else CLEAR_REDUNDANCY_DONE(cnt) }
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class CleanRedundancyPreference @JvmOverloads constructor(
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context: Context, attrs: AttributeSet? = null
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) : TaskPreference(context, attrs) {
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private fun clearFile(file: UniFile): Boolean {
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var name = file.name ?: return false
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val index = name.indexOf('-')
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if (index >= 0) {
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name = name.substring(0, index)
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}
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val gid = name.toLongOrNull() ?: return false
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if (downloadManager.containDownloadInfo(gid)) {
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return false
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}
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file.delete()
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return true
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}
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private fun doRealWork(): Int {
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return Settings.getDownloadLocation()?.listFiles()?.sumOf { clearFile(it).compareTo(false) } ?: 0
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}
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override fun launchJob() {
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if (singletonJob?.isActive == true) singletonJob?.invokeOnCompletion {
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launchUI {
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dialog.dismiss()
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}
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}
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else singletonJob = launch {
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val cnt = doRealWork()
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withUIContext {
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showTip(FINAL_CLEAR_REDUNDANCY_MSG(cnt))
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dialog.dismiss()
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}
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}
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}
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}
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private var singletonJob: Job? = null
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