141 lines
5.3 KiB
Kotlin
141 lines
5.3 KiB
Kotlin
package org.schabi.newpipe.about
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import android.os.Bundle
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import android.util.Base64
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.webkit.WebView
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import androidx.appcompat.app.AlertDialog
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import androidx.core.os.bundleOf
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import androidx.fragment.app.Fragment
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import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
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import io.reactivex.rxjava3.core.Observable
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import io.reactivex.rxjava3.disposables.CompositeDisposable
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import io.reactivex.rxjava3.disposables.Disposable
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import io.reactivex.rxjava3.schedulers.Schedulers
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import org.schabi.newpipe.R
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import org.schabi.newpipe.databinding.FragmentLicensesBinding
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import org.schabi.newpipe.databinding.ItemSoftwareComponentBinding
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import org.schabi.newpipe.util.Localization
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import org.schabi.newpipe.util.external_communication.ShareUtils
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/**
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* Fragment containing the software licenses.
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*/
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class LicenseFragment : Fragment() {
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private lateinit var softwareComponents: Array<SoftwareComponent>
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private var activeLicense: License? = null
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private val compositeDisposable = CompositeDisposable()
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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softwareComponents = arguments?.getParcelableArray(ARG_COMPONENTS) as Array<SoftwareComponent>
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activeLicense = savedInstanceState?.getSerializable(LICENSE_KEY) as? License
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// Sort components by name
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softwareComponents.sortBy { it.name }
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}
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override fun onDestroy() {
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compositeDisposable.dispose()
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super.onDestroy()
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}
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override fun onCreateView(
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inflater: LayoutInflater,
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container: ViewGroup?,
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savedInstanceState: Bundle?
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): View {
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val binding = FragmentLicensesBinding.inflate(inflater, container, false)
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binding.licensesAppReadLicense.setOnClickListener {
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activeLicense = StandardLicenses.GPL3
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compositeDisposable.add(
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showLicense(StandardLicenses.GPL3)
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)
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}
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for (component in softwareComponents) {
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val componentBinding = ItemSoftwareComponentBinding
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.inflate(inflater, container, false)
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componentBinding.name.text = component.name
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componentBinding.copyright.text = getString(
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R.string.copyright,
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component.years,
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component.copyrightOwner,
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component.license.abbreviation
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)
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val root: View = componentBinding.root
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root.tag = component
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root.setOnClickListener {
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activeLicense = component.license
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compositeDisposable.add(
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showLicense(component)
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)
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}
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binding.licensesSoftwareComponents.addView(root)
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registerForContextMenu(root)
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}
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activeLicense?.let { compositeDisposable.add(showLicense(it)) }
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return binding.root
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}
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override fun onSaveInstanceState(savedInstanceState: Bundle) {
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super.onSaveInstanceState(savedInstanceState)
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activeLicense?.let { savedInstanceState.putSerializable(LICENSE_KEY, it) }
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}
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private fun showLicense(component: SoftwareComponent): Disposable {
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return showLicense(component.license) {
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setPositiveButton(R.string.dismiss) { dialog, _ ->
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dialog.dismiss()
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}
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setNeutralButton(R.string.open_website_license) { _, _ ->
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ShareUtils.openUrlInApp(requireContext(), component.link)
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}
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}
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}
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private fun showLicense(license: License) = showLicense(license) {
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setPositiveButton(R.string.ok) { dialog, _ -> dialog.dismiss() }
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}
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private fun showLicense(
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license: License,
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block: AlertDialog.Builder.() -> AlertDialog.Builder
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): Disposable {
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return if (context == null) {
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Disposable.empty()
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} else {
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val context = requireContext()
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Observable.fromCallable { getFormattedLicense(context, license) }
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.subscribeOn(Schedulers.io())
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe { formattedLicense ->
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val webViewData = Base64.encodeToString(
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formattedLicense.toByteArray(), Base64.NO_PADDING
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)
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val webView = WebView(context)
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webView.loadData(webViewData, "text/html; charset=UTF-8", "base64")
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Localization.assureCorrectAppLanguage(context)
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AlertDialog.Builder(requireContext())
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.setTitle(license.name)
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.setView(webView)
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.setOnCancelListener { activeLicense = null }
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.setOnDismissListener { activeLicense = null }
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.block()
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.show()
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}
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}
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}
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companion object {
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private const val ARG_COMPONENTS = "components"
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private const val LICENSE_KEY = "ACTIVE_LICENSE"
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fun newInstance(softwareComponents: Array<SoftwareComponent>): LicenseFragment {
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val fragment = LicenseFragment()
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fragment.arguments = bundleOf(ARG_COMPONENTS to softwareComponents)
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return fragment
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}
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}
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}
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