mirror of https://github.com/nextcloud/android
97 lines
3.7 KiB
Kotlin
97 lines
3.7 KiB
Kotlin
/*
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* Nextcloud Android client application
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*
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* @author Álvaro Brey Vilas
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* Copyright (C) 2022 Álvaro Brey Vilas
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* Copyright (C) 2022 Nextcloud GmbH
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.owncloud.android.ui.fragment
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import android.os.AsyncTask
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import android.os.Handler
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import android.os.Looper
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import com.nextcloud.client.account.User
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import com.owncloud.android.datamodel.FileDataStorageManager
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import com.owncloud.android.lib.common.operations.RemoteOperation
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import com.owncloud.android.lib.common.operations.RemoteOperationResult
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import com.owncloud.android.ui.events.SearchEvent
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import java.lang.ref.WeakReference
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class OCFileListSearchAsyncTask(
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containerActivity: FileFragment.ContainerActivity,
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fragment: OCFileListFragment,
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private val remoteOperation: RemoteOperation<List<Any>>,
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private val currentUser: User,
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private val event: SearchEvent
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) : AsyncTask<Void, Void, Boolean>() {
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private val activityReference: WeakReference<FileFragment.ContainerActivity> = WeakReference(containerActivity)
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private val fragmentReference: WeakReference<OCFileListFragment> = WeakReference(fragment)
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private val fileDataStorageManager: FileDataStorageManager?
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get() = activityReference.get()?.storageManager
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private fun RemoteOperationResult<out Any>.hasSuccessfulResult() = this.isSuccess && this.resultData != null
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override fun onPreExecute() {
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fragmentReference.get()?.let { fragment ->
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Handler(Looper.getMainLooper()).post {
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fragment.isLoading = true
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fragment.setEmptyListLoadingMessage()
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}
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}
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}
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override fun doInBackground(vararg voids: Void): Boolean {
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val fragment = fragmentReference.get()
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if (fragment?.context == null || isCancelled) {
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return java.lang.Boolean.FALSE
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}
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fragment.setTitle()
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lateinit var remoteOperationResult: RemoteOperationResult<List<Any>>
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try {
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remoteOperationResult = remoteOperation.execute(currentUser, fragment.context)
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} catch (e: UnsupportedOperationException) {
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remoteOperationResult = remoteOperation.executeNextcloudClient(currentUser, fragment.requireContext())
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}
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if (remoteOperationResult.hasSuccessfulResult() && !isCancelled && fragment.searchFragment) {
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fragment.searchEvent = event
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if (remoteOperationResult.resultData.isNullOrEmpty()) {
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fragment.setEmptyView(event)
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} else {
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fragment.adapter.setData(
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remoteOperationResult.resultData,
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fragment.currentSearchType,
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fileDataStorageManager,
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fragment.mFile,
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true
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)
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}
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}
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return remoteOperationResult.isSuccess
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}
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override fun onPostExecute(bool: Boolean) {
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fragmentReference.get()?.let { fragment ->
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fragment.isLoading = false
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if (!isCancelled) {
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fragment.adapter.notifyDataSetChanged()
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}
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}
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}
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}
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