[wallet] add option to see exchange's fee structure

6 files changed, 319 insertions, 5 deletions

diff --git a/wallet/src/main/res/layout/fragment_prompt_withdraw.xml b/wallet/src/main/res/layout/fragment_prompt_withdraw.xml
index 4372cba..c9c9402 100644
--- a/wallet/src/main/res/layout/fragment_prompt_withdraw.xml
+++ b/wallet/src/main/res/layout/fragment_prompt_withdraw.xml
@@ -64,7 +64,7 @@
         android:layout_marginTop="32dp"
         android:layout_marginEnd="16dp"
         android:gravity="center"
-        android:text="Chosen Amount"
+        android:text="@string/amount_chosen"
         android:visibility="invisible"
         app:layout_constraintBottom_toTopOf="@+id/chosenAmountView"
         app:layout_constraintEnd_toEndOf="parent"
@@ -144,18 +144,36 @@
 
     <TextView
         android:id="@+id/withdrawExchangeUrl"
-        android:layout_width="0dp"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginStart="16dp"
-        android:layout_marginEnd="16dp"
+        android:layout_marginEnd="8dp"
         android:gravity="center"
         android:textSize="24sp"
         android:visibility="invisible"
+        app:layout_constrainedWidth="true"
         app:layout_constraintBottom_toTopOf="@+id/withdrawCard"
-        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/selectExchangeButton"
+        app:layout_constraintHorizontal_chainStyle="packed"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/exchangeIntroView"
-        tools:text="long.exchange.demo.taler.net"
+        tools:text="demo.taler.net"
+        tools:visibility="visible" />
+
+    <ImageButton
+        android:id="@+id/selectExchangeButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="16dp"
+        android:backgroundTint="@color/colorPrimary"
+        android:contentDescription="@string/nav_exchange_fees"
+        android:src="@drawable/ic_cash_usd_outline"
+        android:tint="?attr/colorOnPrimary"
+        android:visibility="invisible"
+        app:layout_constraintBottom_toBottomOf="@+id/withdrawExchangeUrl"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/withdrawExchangeUrl"
+        app:layout_constraintTop_toTopOf="@+id/withdrawExchangeUrl"
         tools:visibility="visible" />
 
     <ProgressBar
diff --git a/wallet/src/main/res/layout/fragment_select_exchange.xml b/wallet/src/main/res/layout/fragment_select_exchange.xml
new file mode 100644
index 0000000..cb8d35a
--- /dev/null
+++ b/wallet/src/main/res/layout/fragment_select_exchange.xml
@@ -0,0 +1,135 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ 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/>
+  -->
+
+<androidx.core.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <TextView
+            android:id="@+id/withdrawFeeLabel"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="16dp"
+            android:text="@string/exchange_fee_withdrawal_fee_label"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <TextView
+            android:id="@+id/withdrawFeeView"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:layout_marginEnd="16dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@+id/withdrawFeeLabel"
+            app:layout_constraintTop_toTopOf="@+id/withdrawFeeLabel"
+            tools:text="-0.23 TESTKUDOS"
+            tools:textColor="@color/red" />
+
+        <TextView
+            android:id="@+id/overheadLabel"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:text="@string/exchange_fee_overhead_label"
+            app:layout_constraintStart_toStartOf="@+id/withdrawFeeLabel"
+            app:layout_constraintTop_toBottomOf="@+id/withdrawFeeLabel" />
+
+        <TextView
+            android:id="@+id/overheadView"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            app:layout_constraintEnd_toEndOf="@+id/withdrawFeeView"
+            app:layout_constraintStart_toEndOf="@+id/overheadLabel"
+            app:layout_constraintTop_toTopOf="@+id/overheadLabel"
+            tools:text="-0.42 TESTKUDOS"
+            tools:textColor="@color/red" />
+
+        <TextView
+            android:id="@+id/expirationLabel"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:text="@string/exchange_fee_coin_expiration_label"
+            app:layout_constraintStart_toStartOf="@+id/withdrawFeeLabel"
+            app:layout_constraintTop_toBottomOf="@+id/overheadLabel" />
+
+        <TextView
+            android:id="@+id/expirationView"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            app:layout_constraintEnd_toEndOf="@+id/withdrawFeeView"
+            app:layout_constraintStart_toEndOf="@+id/expirationLabel"
+            app:layout_constraintTop_toTopOf="@+id/expirationLabel"
+            tools:text="in 5 years" />
+
+        <TextView
+            android:id="@+id/coinFeesLabel"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:text="@string/exchange_fee_coin_fees_label"
+            android:textColor="?android:attr/textColorPrimary"
+            android:textSize="16sp"
+            app:layout_constraintStart_toStartOf="@+id/withdrawFeeLabel"
+            app:layout_constraintTop_toBottomOf="@+id/expirationLabel" />
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/coinFeesList"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:overScrollMode="never"
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+            app:layout_constraintEnd_toEndOf="@+id/withdrawFeeView"
+            app:layout_constraintStart_toStartOf="@+id/withdrawFeeLabel"
+            app:layout_constraintTop_toBottomOf="@+id/coinFeesLabel"
+            tools:listitem="@layout/list_item_coin_fee" />
+
+        <TextView
+            android:id="@+id/wireFeesLabel"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:text="@string/exchange_fee_wire_fees_label"
+            android:textColor="?android:attr/textColorPrimary"
+            android:textSize="16sp"
+            app:layout_constraintStart_toStartOf="@+id/withdrawFeeLabel"
+            app:layout_constraintTop_toBottomOf="@+id/coinFeesList" />
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/wireFeesList"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:overScrollMode="never"
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+            app:layout_constraintEnd_toEndOf="@+id/withdrawFeeView"
+            app:layout_constraintStart_toStartOf="@+id/withdrawFeeLabel"
+            app:layout_constraintTop_toBottomOf="@+id/wireFeesLabel"
+            tools:listitem="@layout/list_item_wire_fee" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.core.widget.NestedScrollView>
diff --git a/wallet/src/main/res/layout/list_item_coin_fee.xml b/wallet/src/main/res/layout/list_item_coin_fee.xml
new file mode 100644
index 0000000..daf2789
--- /dev/null
+++ b/wallet/src/main/res/layout/list_item_coin_fee.xml
@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ 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/>
+  -->
+
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <TextView
+        android:id="@+id/coinView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="Coin: 2 TESTKUDOS (used 3 times)" />
+
+    <TextView
+        android:id="@+id/withdrawFeeView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="4dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="@+id/coinView"
+        app:layout_constraintTop_toBottomOf="@+id/coinView"
+        tools:text="Withdraw Fee: 0.01 TESTKUDOS" />
+
+    <TextView
+        android:id="@+id/depositFeeView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="4dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="@+id/coinView"
+        app:layout_constraintTop_toBottomOf="@+id/withdrawFeeView"
+        tools:text="Deposit Fee: 0.01 TESTKUDOS" />
+
+    <TextView
+        android:id="@+id/refreshFeeView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="4dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="@+id/coinView"
+        app:layout_constraintTop_toBottomOf="@+id/depositFeeView"
+        tools:text="Change Fee: 0.01 TESTKUDOS" />
+
+    <TextView
+        android:id="@+id/refundFeeView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="4dp"
+        android:layout_marginBottom="8dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="@+id/coinView"
+        app:layout_constraintTop_toBottomOf="@+id/refreshFeeView"
+        tools:text="Refund Fee: 0.01 TESTKUDOS" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/wallet/src/main/res/layout/list_item_wire_fee.xml b/wallet/src/main/res/layout/list_item_wire_fee.xml
new file mode 100644
index 0000000..92ede8b
--- /dev/null
+++ b/wallet/src/main/res/layout/list_item_wire_fee.xml
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ 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/>
+  -->
+
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <TextView
+        android:id="@+id/validityView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constrainedWidth="true"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="Timespan: Jan 1 2020 - Dec 31 2020" />
+
+    <TextView
+        android:id="@+id/wireFeeView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="4dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/validityView"
+        tools:text="Wire Fee: 0.01 TESTKUDOS" />
+
+    <TextView
+        android:id="@+id/closingFeeView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="4dp"
+        android:layout_marginBottom="8dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/wireFeeView"
+        tools:text="Closing Fee: 0.01 TESTKUDOS" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/wallet/src/main/res/navigation/nav_graph.xml b/wallet/src/main/res/navigation/nav_graph.xml
index c39df94..f6d8598 100644
--- a/wallet/src/main/res/navigation/nav_graph.xml
+++ b/wallet/src/main/res/navigation/nav_graph.xml
@@ -96,6 +96,9 @@
             android:id="@+id/action_promptWithdraw_to_errorFragment"
             app:destination="@id/errorFragment"
             app:popUpTo="@id/showBalance" />
+        <action
+            android:id="@+id/action_promptWithdraw_to_selectExchangeFragment"
+            app:destination="@id/selectExchangeFragment" />
     </fragment>
 
     <fragment
@@ -113,6 +116,11 @@
             app:destination="@id/promptWithdraw"
             app:popUpTo="@id/showBalance" />
     </fragment>
+    <fragment
+        android:id="@+id/selectExchangeFragment"
+        android:name="net.taler.wallet.withdraw.SelectExchangeFragment"
+        android:label="@string/nav_exchange_fees"
+        tools:layout="@layout/fragment_select_exchange" />
 
     <fragment
         android:id="@+id/nav_pending_operations"
diff --git a/wallet/src/main/res/values/strings.xml b/wallet/src/main/res/values/strings.xml
index 31aaf14..8cbecb9 100644
--- a/wallet/src/main/res/values/strings.xml
+++ b/wallet/src/main/res/values/strings.xml
@@ -23,6 +23,7 @@
 
     <string name="nav_prompt_withdraw">Withdraw Digital Cash</string>
     <string name="nav_exchange_tos">Exchange\'s Terms of Service</string>
+    <string name="nav_exchange_fees">Exchange Fees</string>
     <string name="nav_error">Error</string>
 
     <string name="button_back">Go Back</string>
@@ -103,6 +104,23 @@
     <string name="withdraw_error_title">Withdrawal Error</string>
     <string name="withdraw_error_message">Withdrawing is currently not possible. Please try again later!</string>
 
+    <string name="exchange_fee_withdrawal_fee_label">Withdrawal Fee:</string>
+    <string name="exchange_fee_overhead_label">Rounding Loss:</string>
+    <string name="exchange_fee_coin_expiration_label">Earliest Coin Expiry:</string>
+    <string name="exchange_fee_coin_fees_label">Coin Fees</string>
+    <string name="exchange_fee_wire_fees_label">Wire Fees</string>
+    <plurals name="exchange_fee_coin">
+        <item quantity="one">Coin: %s (used %d time)</item>
+        <item quantity="other">Coin: %s (used %d times)</item>
+    </plurals>
+    <string name="exchange_fee_withdraw_fee">Withdraw Fee: %s</string>
+    <string name="exchange_fee_deposit_fee">Deposit Fee: %s</string>
+    <string name="exchange_fee_refresh_fee">Change Fee: %s</string>
+    <string name="exchange_fee_refund_fee">Refund Fee: %s</string>
+    <string name="exchange_fee_wire_fee_timespan">Timespan: %1$s - %2$s</string>
+    <string name="exchange_fee_wire_fee_wire_fee">Wire Fee: %s</string>
+    <string name="exchange_fee_wire_fee_closing_fee">Closing Fee: %s</string>
+
     <string name="pending_operations_title">Pending Operations</string>
     <string name="pending_operations_refuse">Refuse Proposal</string>
     <string name="pending_operations_no_action">(no action)</string>