From 3dc4ed1764f5bde3735536cc31e36c48b685faff Mon Sep 17 00:00:00 2001
From: Peyman-hme <peyman.eb13@gmail.com>
Date: Sun, 16 May 2021 16:32:49 +0430
Subject: [PATCH] Add "Open website" button in webview in license fragment,
 issue #6296

---
 .../schabi/newpipe/about/LicenseFragment.kt   | 30 +-----------------
 .../newpipe/about/LicenseFragmentHelper.kt    | 31 +++++++++++++++++++
 2 files changed, 32 insertions(+), 29 deletions(-)

diff --git a/app/src/main/java/org/schabi/newpipe/about/LicenseFragment.kt b/app/src/main/java/org/schabi/newpipe/about/LicenseFragment.kt
index d72ecf894..249955968 100644
--- a/app/src/main/java/org/schabi/newpipe/about/LicenseFragment.kt
+++ b/app/src/main/java/org/schabi/newpipe/about/LicenseFragment.kt
@@ -1,10 +1,7 @@
 package org.schabi.newpipe.about
 
 import android.os.Bundle
-import android.view.ContextMenu
-import android.view.ContextMenu.ContextMenuInfo
 import android.view.LayoutInflater
-import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import androidx.core.os.bundleOf
@@ -14,7 +11,6 @@ import org.schabi.newpipe.R
 import org.schabi.newpipe.about.LicenseFragmentHelper.showLicense
 import org.schabi.newpipe.databinding.FragmentLicensesBinding
 import org.schabi.newpipe.databinding.ItemSoftwareComponentBinding
-import org.schabi.newpipe.util.ShareUtils
 import java.util.Arrays
 import java.util.Objects
 
@@ -73,7 +69,7 @@ class LicenseFragment : Fragment() {
             root.setOnClickListener {
                 activeLicense = component.license
                 compositeDisposable.add(
-                    showLicense(activity, component.license)
+                    showLicense(activity, component)
                 )
             }
             binding.licensesSoftwareComponents.addView(root)
@@ -87,30 +83,6 @@ class LicenseFragment : Fragment() {
         return binding.root
     }
 
-    override fun onCreateContextMenu(menu: ContextMenu, v: View, menuInfo: ContextMenuInfo?) {
-        val inflater = requireActivity().menuInflater
-        val component = v.tag as SoftwareComponent
-        menu.setHeaderTitle(component.name)
-        inflater.inflate(R.menu.software_component, menu)
-        super.onCreateContextMenu(menu, v, menuInfo)
-        componentForContextMenu = component
-    }
-
-    override fun onContextItemSelected(item: MenuItem): Boolean {
-        // item.getMenuInfo() is null so we use the tag of the view
-        val component = componentForContextMenu ?: return false
-        when (item.itemId) {
-            R.id.menu_software_website -> {
-                ShareUtils.openUrlInBrowser(activity, component.link)
-                return true
-            }
-            R.id.menu_software_show_license -> compositeDisposable.add(
-                showLicense(activity, component.license)
-            )
-        }
-        return false
-    }
-
     override fun onSaveInstanceState(savedInstanceState: Bundle) {
         super.onSaveInstanceState(savedInstanceState)
         if (activeLicense != null) {
diff --git a/app/src/main/java/org/schabi/newpipe/about/LicenseFragmentHelper.kt b/app/src/main/java/org/schabi/newpipe/about/LicenseFragmentHelper.kt
index bdb3edabd..0532bf2be 100644
--- a/app/src/main/java/org/schabi/newpipe/about/LicenseFragmentHelper.kt
+++ b/app/src/main/java/org/schabi/newpipe/about/LicenseFragmentHelper.kt
@@ -10,6 +10,7 @@ import io.reactivex.rxjava3.disposables.Disposable
 import io.reactivex.rxjava3.schedulers.Schedulers
 import org.schabi.newpipe.R
 import org.schabi.newpipe.util.Localization
+import org.schabi.newpipe.util.ShareUtils
 import org.schabi.newpipe.util.ThemeHelper
 import java.io.BufferedReader
 import java.io.IOException
@@ -113,4 +114,34 @@ object LicenseFragmentHelper {
                 }
         }
     }
+    @JvmStatic
+    fun showLicense(context: Context?, component: SoftwareComponent): Disposable {
+        return if (context == null) {
+            Disposable.empty()
+        } else {
+            Observable.fromCallable { getFormattedLicense(context, component.license) }
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe { formattedLicense: String ->
+                    val webViewData = Base64.encodeToString(
+                        formattedLicense
+                            .toByteArray(StandardCharsets.UTF_8),
+                        Base64.NO_PADDING
+                    )
+                    val webView = WebView(context)
+                    webView.loadData(webViewData, "text/html; charset=UTF-8", "base64")
+                    val alert = AlertDialog.Builder(context)
+                    alert.setTitle(component.license.name)
+                    alert.setView(webView)
+                    Localization.assureCorrectAppLanguage(context)
+                    alert.setNegativeButton(
+                        context.getString(R.string.finish)
+                    ) { dialog, _ -> dialog.dismiss() }
+                    alert.setPositiveButton("Open website") { _, _ ->
+                        ShareUtils.openUrlInBrowser(context, component.link)
+                    }
+                    alert.show()
+                }
+        }
+    }
 }