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Merge pull request seedvault-app#819 from grote/check-files-backup
Integrity verification of files backup
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89 changes: 89 additions & 0 deletions
89
app/src/main/java/com/stevesoltys/seedvault/ui/check/FileCheckFragment.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /* | ||
| * SPDX-FileCopyrightText: 2024 The Calyx Institute | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
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| package com.stevesoltys.seedvault.ui.check | ||
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| import android.os.Bundle | ||
| import android.text.format.Formatter | ||
| import android.view.LayoutInflater | ||
| import android.view.View | ||
| import android.view.ViewGroup | ||
| import android.widget.Button | ||
| import android.widget.ScrollView | ||
| import android.widget.TextView | ||
| import androidx.fragment.app.Fragment | ||
| import com.google.android.material.slider.LabelFormatter | ||
| import com.google.android.material.slider.Slider | ||
| import com.stevesoltys.seedvault.R | ||
| import com.stevesoltys.seedvault.settings.SettingsViewModel | ||
| import org.koin.androidx.viewmodel.ext.android.activityViewModel | ||
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| class FileCheckFragment : Fragment() { | ||
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| private val viewModel: SettingsViewModel by activityViewModel() | ||
| private lateinit var sliderLabel: TextView | ||
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| override fun onCreateView( | ||
| inflater: LayoutInflater, | ||
| container: ViewGroup?, | ||
| savedInstanceState: Bundle?, | ||
| ): View { | ||
| val v = inflater.inflate(R.layout.fragment_app_check, container, false) as ScrollView | ||
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| v.requireViewById<TextView>(R.id.titleView).setText(R.string.settings_file_check_title) | ||
| v.requireViewById<TextView>(R.id.descriptionView).setText(R.string.settings_file_check_text) | ||
| v.requireViewById<TextView>(R.id.introView).setText(R.string.settings_file_check_text2) | ||
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| val slider = v.requireViewById<Slider>(R.id.slider) | ||
| sliderLabel = v.requireViewById(R.id.sliderLabel) | ||
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| // label not scrolling will be fixed in material-components 1.12.0 (next update) | ||
| slider.setLabelFormatter { value -> | ||
| viewModel.filesBackupSize.value?.let { | ||
| Formatter.formatShortFileSize(context, (it * value / 100).toLong()) | ||
| } ?: "${value.toInt()}%" | ||
| } | ||
| slider.addOnChangeListener { _, value, _ -> | ||
| onSliderChanged(value) | ||
| } | ||
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| viewModel.filesBackupSize.observe(viewLifecycleOwner) { | ||
| if (it != null) { | ||
| slider.labelBehavior = LabelFormatter.LABEL_VISIBLE | ||
| slider.invalidate() | ||
| onSliderChanged(slider.value) | ||
| } | ||
| // we can stop observing as the loaded size won't change again | ||
| viewModel.filesBackupSize.removeObservers(viewLifecycleOwner) | ||
| } | ||
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| v.requireViewById<Button>(R.id.startButton).setOnClickListener { | ||
| viewModel.checkFileBackups(slider.value.toInt()) | ||
| requireActivity().onBackPressedDispatcher.onBackPressed() | ||
| } | ||
| return v | ||
| } | ||
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| override fun onStart() { | ||
| super.onStart() | ||
| viewModel.loadFileBackupSize() | ||
| } | ||
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| private fun onSliderChanged(value: Float) { | ||
| val size = viewModel.filesBackupSize.value | ||
| // when size is unknown, we show warning based on percent | ||
| val showWarning = if (size == null) { | ||
| value > WARN_PERCENT | ||
| } else { | ||
| size * value / 100 > WARN_BYTES | ||
| } | ||
| // only update label visibility when different from before | ||
| val newVisibility = if (showWarning) View.VISIBLE else View.GONE | ||
| if (sliderLabel.visibility != newVisibility) { | ||
| sliderLabel.visibility = newVisibility | ||
| } | ||
| } | ||
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| } |
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