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authorTorsten Grote <t@grobox.de>2020-04-30 14:33:08 -0300
committerTorsten Grote <t@grobox.de>2020-04-30 14:33:08 -0300
commit056be53a8d51fb6e45167f5d1ec317513b87a906 (patch)
treecb14e2ca3e10c29cc7ad82fb8499bb375c70dd5a /wallet/src/main/java/net
parent0d4d6358ac6db7e0a1e936ecfd70ec4bb3262846 (diff)
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[wallet] show ToS markdown in expandable sections
Diffstat (limited to 'wallet/src/main/java/net')
-rw-r--r--wallet/src/main/java/net/taler/wallet/withdraw/ReviewExchangeTosFragment.kt29
-rw-r--r--wallet/src/main/java/net/taler/wallet/withdraw/TosAdapter.kt90
-rw-r--r--wallet/src/main/java/net/taler/wallet/withdraw/TosSection.kt65
3 files changed, 180 insertions, 4 deletions
diff --git a/wallet/src/main/java/net/taler/wallet/withdraw/ReviewExchangeTosFragment.kt b/wallet/src/main/java/net/taler/wallet/withdraw/ReviewExchangeTosFragment.kt
index 47b6f14..ffaef5a 100644
--- a/wallet/src/main/java/net/taler/wallet/withdraw/ReviewExchangeTosFragment.kt
+++ b/wallet/src/main/java/net/taler/wallet/withdraw/ReviewExchangeTosFragment.kt
@@ -16,7 +16,6 @@
package net.taler.wallet.withdraw
-
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
@@ -25,16 +24,20 @@ import androidx.fragment.app.Fragment
import androidx.fragment.app.activityViewModels
import androidx.lifecycle.Observer
import androidx.navigation.fragment.findNavController
+import io.noties.markwon.Markwon
import kotlinx.android.synthetic.main.fragment_review_exchange_tos.*
import net.taler.common.fadeIn
import net.taler.common.fadeOut
-import net.taler.wallet.R
import net.taler.wallet.MainViewModel
+import net.taler.wallet.R
+import java.text.ParseException
class ReviewExchangeTosFragment : Fragment() {
private val model: MainViewModel by activityViewModels()
private val withdrawManager by lazy { model.withdrawManager }
+ private val markwon by lazy { Markwon.builder(requireContext()).build() }
+ private val adapter by lazy { TosAdapter(markwon) }
override fun onCreateView(
inflater: LayoutInflater,
@@ -53,8 +56,18 @@ class ReviewExchangeTosFragment : Fragment() {
withdrawManager.withdrawStatus.observe(viewLifecycleOwner, Observer {
when (it) {
is WithdrawStatus.TermsOfServiceReviewRequired -> {
- tosTextView.text = it.tosText
- tosTextView.fadeIn()
+ val sections = try {
+ // TODO remove next line once exchange delivers proper markdown
+ val text = it.tosText.replace("****************", "================")
+ parseTos(markwon, text)
+ } catch (e: ParseException) {
+ onTosError(e.message ?: "Unknown Error")
+ return@Observer
+ }
+ adapter.setSections(sections)
+ tosList.adapter = adapter
+ tosList.fadeIn()
+
acceptTosCheckBox.fadeIn()
progressBar.fadeOut()
}
@@ -68,4 +81,12 @@ class ReviewExchangeTosFragment : Fragment() {
})
}
+ private fun onTosError(msg: String) {
+ tosList.fadeIn()
+ progressBar.fadeOut()
+ buttonCard.fadeOut()
+ errorView.text = getString(R.string.exchange_tos_error, "\n\n$msg")
+ errorView.fadeIn()
+ }
+
}
diff --git a/wallet/src/main/java/net/taler/wallet/withdraw/TosAdapter.kt b/wallet/src/main/java/net/taler/wallet/withdraw/TosAdapter.kt
new file mode 100644
index 0000000..74a798f
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/withdraw/TosAdapter.kt
@@ -0,0 +1,90 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.withdraw
+
+import android.transition.TransitionManager.beginDelayedTransition
+import android.view.LayoutInflater
+import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import android.view.ViewGroup
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import io.noties.markwon.Markwon
+import net.taler.wallet.R
+
+class TosAdapter(
+ private val markwon: Markwon
+) : RecyclerView.Adapter<TosAdapter.TosSectionViewHolder>() {
+
+ private val items = ArrayList<TosSection>()
+
+ init {
+ setHasStableIds(true)
+ }
+
+ override fun getItemCount() = items.size
+
+ override fun getItemId(position: Int): Long {
+ return items[position].node.hashCode().toLong()
+ }
+
+ override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TosSectionViewHolder {
+ val v = LayoutInflater.from(parent.context).inflate(R.layout.list_item_tos, parent, false)
+ return TosSectionViewHolder(v)
+ }
+
+ override fun onBindViewHolder(holder: TosSectionViewHolder, position: Int) {
+ holder.bind(items[position])
+ }
+
+ fun setSections(sections: List<TosSection>) {
+ items.clear()
+ items.addAll(sections)
+ notifyDataSetChanged()
+ }
+
+ inner class TosSectionViewHolder(private val v: View) : RecyclerView.ViewHolder(v) {
+ private val sectionTitle: TextView = v.findViewById(R.id.sectionTitle)
+ private val expandButton: ImageView = v.findViewById(R.id.expandButton)
+ private val sectionText: TextView = v.findViewById(R.id.sectionText)
+
+ fun bind(item: TosSection) {
+ sectionTitle.text = item.title
+ showSection(item, item.expanded)
+ val onClickListener = View.OnClickListener {
+ if (!item.expanded) beginDelayedTransition(v as ViewGroup)
+ item.expanded = !item.expanded
+ showSection(item, item.expanded)
+ }
+ sectionTitle.setOnClickListener(onClickListener)
+ }
+
+ private fun showSection(item: TosSection, show: Boolean) {
+ if (show) {
+ expandButton.setImageResource(R.drawable.ic_keyboard_arrow_up)
+ markwon.setParsedMarkdown(sectionText, markwon.render(item.node))
+ sectionText.visibility = VISIBLE
+ } else {
+ expandButton.setImageResource(R.drawable.ic_keyboard_arrow_down)
+ sectionText.visibility = GONE
+ }
+ }
+ }
+
+}
diff --git a/wallet/src/main/java/net/taler/wallet/withdraw/TosSection.kt b/wallet/src/main/java/net/taler/wallet/withdraw/TosSection.kt
new file mode 100644
index 0000000..72a9e34
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/withdraw/TosSection.kt
@@ -0,0 +1,65 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.withdraw
+
+import io.noties.markwon.Markwon
+import org.commonmark.node.Document
+import org.commonmark.node.Heading
+import org.commonmark.node.Node
+import org.commonmark.node.Text
+import java.text.ParseException
+
+data class TosSection(
+ val title: String,
+ val node: Node,
+ var expanded: Boolean = false
+)
+
+@Throws(ParseException::class)
+internal fun parseTos(markwon: Markwon, text: String): List<TosSection> {
+ var node: Node? =
+ markwon.parse(text).firstChild ?: throw ParseException("Invalid markdown", 0)
+ var lastHeading: String? = null
+ var section = Document()
+ val sections = ArrayList<TosSection>()
+ while (node != null) {
+ val next: Node? = node.next
+ if (node is Heading && node.level == 1) {
+ // if lastHeading exists, close previous section
+ if (lastHeading != null) {
+ sections.add(TosSection(lastHeading, section))
+ section = Document()
+ }
+ // check that this is a plain heading
+ if (node.firstChild !is Text || node.firstChild.next != null) {
+ throw ParseException(
+ "Primary heading includes more than just text", sections.size
+ )
+ }
+ // start new section
+ lastHeading = (node.firstChild as Text).literal
+ } else if (lastHeading == null) {
+ throw ParseException("Found text before first primary heading", 0)
+ } else {
+ section.appendChild(node)
+ }
+ node = next
+ }
+ check(lastHeading != null)
+ sections.add(TosSection(lastHeading, section))
+ return sections
+}