Send feature for mobile (#1256)

* Send feature for mobile

* added fallback for KdfIterations

* additional property exclusions for tests

* support encryptedFileData as byte array comparison in SendServiceTests

* formatting

* requested changes

* additional changes

* change position of send service registration to match declaration order

src/Android/Android.csproj

@@ -123,7 +123,9 @@
     <Compile Include="Receivers\LockAlarmReceiver.cs" />
     <Compile Include="Receivers\PackageReplacedReceiver.cs" />
     <Compile Include="Renderers\CipherViewCellRenderer.cs" />
+    <Compile Include="Renderers\ExtendedDatePickerRenderer.cs" />
     <Compile Include="Renderers\CustomTabbedRenderer.cs" />
+    <Compile Include="Renderers\ExtendedTimePickerRenderer.cs" />
     <Compile Include="Renderers\ExtendedSliderRenderer.cs" />
     <Compile Include="Renderers\CustomEditorRenderer.cs" />
     <Compile Include="Renderers\CustomPickerRenderer.cs" />
@@ -131,6 +133,7 @@
     <Compile Include="Renderers\CustomSearchBarRenderer.cs" />
     <Compile Include="Renderers\ExtendedListViewRenderer.cs" />
     <Compile Include="Renderers\HybridWebViewRenderer.cs" />
+    <Compile Include="Renderers\SendViewCellRenderer.cs" />
     <Compile Include="Services\AndroidPushNotificationService.cs" />
     <Compile Include="Services\AndroidLogService.cs" />
     <Compile Include="MainApplication.cs" />
@@ -176,6 +179,7 @@
     <AndroidResource Include="Resources\drawable\login.xml" />
     <AndroidResource Include="Resources\drawable\logo.xml" />
     <AndroidResource Include="Resources\drawable\logo_white.xml" />
+    <AndroidResource Include="Resources\drawable\paper_plane.xml" />
     <AndroidResource Include="Resources\drawable\pencil.xml" />
     <AndroidResource Include="Resources\drawable\plus.xml" />
     <AndroidResource Include="Resources\drawable\refresh.xml" />
@@ -183,6 +187,7 @@
     <AndroidResource Include="Resources\drawable\shield.xml" />
     <AndroidResource Include="Resources\drawable-v23\splash_screen.xml" />
     <AndroidResource Include="Resources\drawable-v23\splash_screen_dark.xml" />
+    <AndroidResource Include="Resources\layout\SendViewCell.axml" />
     <AndroidResource Include="Resources\layout\Tabbar.axml" />
     <AndroidResource Include="Resources\layout\Toolbar.axml" />
     <AndroidResource Include="Resources\mipmap-anydpi-v26\ic_launcher.xml" />

src/Android/Renderers/ExtendedDatePickerRenderer.cs

@@ -0,0 +1,50 @@
+using System.ComponentModel;
+using Android.Content;
+using Android.Views;
+using Bit.App.Controls;
+using Bit.Droid.Renderers;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.Android;
+
+[assembly: ExportRenderer(typeof(ExtendedDatePicker), typeof(ExtendedDatePickerRenderer))]
+namespace Bit.Droid.Renderers
+{
+    public class ExtendedDatePickerRenderer : DatePickerRenderer
+    {
+        public ExtendedDatePickerRenderer(Context context)
+            : base(context) { }
+
+        protected override void OnElementChanged(ElementChangedEventArgs<DatePicker> e)
+        {
+            base.OnElementChanged(e);
+            if (Control != null && Element is ExtendedDatePicker element)
+            {
+                // center text
+                Control.Gravity = GravityFlags.CenterHorizontal;
+
+                // use placeholder until NullableDate set 
+                if (!element.NullableDate.HasValue)
+                {
+                    Control.Text = element.PlaceHolder;
+                }
+            }
+        }
+
+        protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
+        {
+            if (e.PropertyName == DatePicker.DateProperty.PropertyName ||
+                e.PropertyName == DatePicker.FormatProperty.PropertyName)
+            {
+                if (Control != null && Element is ExtendedDatePicker element)
+                {
+                    if (Element.Format == element.PlaceHolder)
+                    {
+                        Control.Text = element.PlaceHolder;
+                        return;
+                    }
+                }
+            }
+            base.OnElementPropertyChanged(sender, e);
+        }
+    }
+}

src/Android/Renderers/ExtendedTimePickerRenderer.cs

@@ -0,0 +1,50 @@
+using System.ComponentModel;
+using Android.Content;
+using Android.Views;
+using Bit.App.Controls;
+using Bit.Droid.Renderers;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.Android;
+
+[assembly: ExportRenderer(typeof(ExtendedTimePicker), typeof(ExtendedTimePickerRenderer))]
+namespace Bit.Droid.Renderers
+{
+    public class ExtendedTimePickerRenderer : TimePickerRenderer
+    {
+        public ExtendedTimePickerRenderer(Context context)
+            : base(context) { }
+
+        protected override void OnElementChanged(ElementChangedEventArgs<TimePicker> e)
+        {
+            base.OnElementChanged(e);
+            if (Control != null && Element is ExtendedTimePicker element)
+            {
+                // center text
+                Control.Gravity = GravityFlags.CenterHorizontal;
+
+                // use placeholder until NullableTime set 
+                if (!element.NullableTime.HasValue)
+                {
+                    Control.Text = element.PlaceHolder;
+                }
+            }
+        }
+
+        protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
+        {
+            if (e.PropertyName == TimePicker.TimeProperty.PropertyName ||
+                e.PropertyName == TimePicker.FormatProperty.PropertyName)
+            {
+                if (Control != null && Element is ExtendedTimePicker element)
+                {
+                    if (Element.Format == element.PlaceHolder)
+                    {
+                        Control.Text = element.PlaceHolder;
+                        return;
+                    }
+                }
+            }
+            base.OnElementPropertyChanged(sender, e);
+        }
+    }
+}

src/Android/Renderers/SendViewCellRenderer.cs

@@ -0,0 +1,199 @@
+using System;
+using System.ComponentModel;
+using Android.App;
+using Android.Content;
+using Android.Graphics;
+using Android.Util;
+using Android.Views;
+using Android.Widget;
+using Bit.App.Controls;
+using Bit.App.Utilities;
+using Bit.Droid.Renderers;
+using FFImageLoading.Work;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.Android;
+using Button = Android.Widget.Button;
+using Color = Android.Graphics.Color;
+using View = Android.Views.View;
+
+[assembly: ExportRenderer(typeof(SendViewCell), typeof(SendViewCellRenderer))]
+namespace Bit.Droid.Renderers
+{
+    public class SendViewCellRenderer : ViewCellRenderer
+    {
+        private static Typeface _faTypeface;
+        private static Typeface _miTypeface;
+        private static Color _textColor;
+        private static Color _mutedColor;
+        private static Color _disabledIconColor;
+        private static bool _usingLightTheme;
+
+        private AndroidSendCell _cell;
+
+        protected override View GetCellCore(Cell item, View convertView,
+            ViewGroup parent, Context context)
+        {
+            // TODO expand beyond light/dark detection once we support custom theme switching without app restart
+            var themeChanged = _usingLightTheme != ThemeManager.UsingLightTheme;
+            if (_faTypeface == null)
+            {
+                _faTypeface = Typeface.CreateFromAsset(context.Assets, "FontAwesome.ttf");
+            }
+            if (_miTypeface == null)
+            {
+                _miTypeface = Typeface.CreateFromAsset(context.Assets, "MaterialIcons_Regular.ttf");
+            }
+            if (_textColor == default(Color) || themeChanged)
+            {
+                _textColor = ThemeManager.GetResourceColor("TextColor").ToAndroid();
+            }
+            if (_mutedColor == default(Color) || themeChanged)
+            {
+                _mutedColor = ThemeManager.GetResourceColor("MutedColor").ToAndroid();
+            }
+            if (_disabledIconColor == default(Color) || themeChanged)
+            {
+                _disabledIconColor = ThemeManager.GetResourceColor("DisabledIconColor").ToAndroid();
+            }
+            _usingLightTheme = ThemeManager.UsingLightTheme;
+
+            var sendCell = item as SendViewCell;
+            _cell = convertView as AndroidSendCell;
+            if (_cell == null)
+            {
+                _cell = new AndroidSendCell(context, sendCell, _faTypeface, _miTypeface);
+            }
+            else
+            {
+                _cell.SendViewCell.PropertyChanged -= CellPropertyChanged;
+            }
+            sendCell.PropertyChanged += CellPropertyChanged;
+            _cell.UpdateCell(sendCell);
+            _cell.UpdateColors(_textColor, _mutedColor, _disabledIconColor);
+            return _cell;
+        }
+
+        public void CellPropertyChanged(object sender, PropertyChangedEventArgs e)
+        {
+            var sendCell = sender as SendViewCell;
+            _cell.SendViewCell = sendCell;
+            if (e.PropertyName == SendViewCell.SendProperty.PropertyName)
+            {
+                _cell.UpdateCell(sendCell);
+            }
+        }
+    }
+
+    public class AndroidSendCell : LinearLayout, INativeElementView
+    {
+        private readonly Typeface _faTypeface;
+        private readonly Typeface _miTypeface;
+
+        private IScheduledWork _currentTask;
+
+        public AndroidSendCell(Context context, SendViewCell sendView, Typeface faTypeface, Typeface miTypeface)
+            : base(context)
+        {
+            SendViewCell = sendView;
+            _faTypeface = faTypeface;
+            _miTypeface = miTypeface;
+
+            var view = (context as Activity).LayoutInflater.Inflate(Resource.Layout.SendViewCell, null);
+            Icon = view.FindViewById<TextView>(Resource.Id.SendCellIcon);
+            Name = view.FindViewById<TextView>(Resource.Id.SendCellName);
+            SubTitle = view.FindViewById<TextView>(Resource.Id.SendCellSubTitle);
+            HasPasswordIcon = view.FindViewById<TextView>(Resource.Id.SendCellHasPasswordIcon);
+            MaxAccessCountReachedIcon = view.FindViewById<TextView>(Resource.Id.SendCellMaxAccessCountReachedIcon);
+            ExpiredIcon = view.FindViewById<TextView>(Resource.Id.SendCellExpiredIcon);
+            PendingDeleteIcon = view.FindViewById<TextView>(Resource.Id.SendCellPendingDeleteIcon);
+            MoreButton = view.FindViewById<Button>(Resource.Id.SendCellButton);
+            MoreButton.Click += MoreButton_Click;
+
+            Icon.Typeface = _faTypeface;
+            HasPasswordIcon.Typeface = _faTypeface;
+            MaxAccessCountReachedIcon.Typeface = _faTypeface;
+            ExpiredIcon.Typeface = _faTypeface;
+            PendingDeleteIcon.Typeface = _faTypeface;
+            MoreButton.Typeface = _miTypeface;
+
+            var small = (float)Device.GetNamedSize(NamedSize.Small, typeof(Label));
+            Icon.SetTextSize(ComplexUnitType.Pt, 10);
+            Name.SetTextSize(ComplexUnitType.Sp, (float)Device.GetNamedSize(NamedSize.Medium, typeof(Label)));
+            SubTitle.SetTextSize(ComplexUnitType.Sp, small);
+            HasPasswordIcon.SetTextSize(ComplexUnitType.Sp, small);
+            MaxAccessCountReachedIcon.SetTextSize(ComplexUnitType.Sp, small);
+            ExpiredIcon.SetTextSize(ComplexUnitType.Sp, small);
+            PendingDeleteIcon.SetTextSize(ComplexUnitType.Sp, small);
+            MoreButton.SetTextSize(ComplexUnitType.Sp, 25);
+
+            AddView(view);
+        }
+
+        public SendViewCell SendViewCell { get; set; }
+        public Element Element => SendViewCell;
+
+        public TextView Icon { get; set; }
+        public TextView Name { get; set; }
+        public TextView SubTitle { get; set; }
+        public TextView HasPasswordIcon { get; set; }
+        public TextView MaxAccessCountReachedIcon { get; set; }
+        public TextView ExpiredIcon { get; set; }
+        public TextView PendingDeleteIcon { get; set; }
+        public Button MoreButton { get; set; }
+
+        public void UpdateCell(SendViewCell sendCell)
+        {
+            UpdateIconImage(sendCell);
+
+            var send = sendCell.Send;
+            Name.Text = send.Name;
+            SubTitle.Text = send.DisplayDate;
+            HasPasswordIcon.Visibility = send.HasPassword ? ViewStates.Visible : ViewStates.Gone;
+            MaxAccessCountReachedIcon.Visibility = send.MaxAccessCountReached ? ViewStates.Visible : ViewStates.Gone;
+            ExpiredIcon.Visibility = send.Expired ? ViewStates.Visible : ViewStates.Gone;
+            PendingDeleteIcon.Visibility = send.PendingDelete ? ViewStates.Visible : ViewStates.Gone;
+        }
+
+        public void UpdateIconImage(SendViewCell sendCell)
+        {
+            if (_currentTask != null && !_currentTask.IsCancelled && !_currentTask.IsCompleted)
+            {
+                _currentTask.Cancel();
+            }
+
+            var send = sendCell.Send;
+            var iconImage = sendCell.GetIconImage(send);
+            Icon.Text = iconImage;
+        }
+
+        public void UpdateColors(Color textColor, Color mutedColor,
+            Color iconDisabledColor)
+        {
+            Name.SetTextColor(textColor);
+            SubTitle.SetTextColor(mutedColor);
+            Icon.SetTextColor(mutedColor);
+            HasPasswordIcon.SetTextColor(mutedColor);
+            MaxAccessCountReachedIcon.SetTextColor(mutedColor);
+            ExpiredIcon.SetTextColor(mutedColor);
+            PendingDeleteIcon.SetTextColor(mutedColor);
+            MoreButton.SetTextColor(iconDisabledColor);
+        }
+
+        private void MoreButton_Click(object sender, EventArgs e)
+        {
+            if (SendViewCell.ButtonCommand?.CanExecute(SendViewCell.Send) ?? false)
+            {
+                SendViewCell.ButtonCommand.Execute(SendViewCell.Send);
+            }
+        }
+
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                MoreButton.Click -= MoreButton_Click;
+            }
+            base.Dispose(disposing);
+        }
+    }
+}

src/Android/Resources/drawable/paper_plane.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="600"
+    android:viewportHeight="600">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M508.757,52.805L68.978,306.52C51.804,316.388 53.987,340.299 71.065,347.51L171.925,389.827L444.522,149.585C449.741,144.936 457.141,152.052 452.682,157.46L224.111,435.94L224.111,512.32C224.111,534.712 251.152,543.536 264.436,527.312L324.686,453.967L442.909,503.496C456.382,509.189 471.753,500.744 474.22,486.227L542.536,76.336C545.762,57.17 525.172,43.317 508.757,52.805Z" />
+</vector>

src/Android/Resources/layout/SendViewCell.axml

@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:minHeight="44dp"
+    android:gravity="center_vertical">
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:paddingLeft="2.2dp">
+        <LinearLayout
+            android:orientation="horizontal"
+            android:layout_width="39.8dp"
+            android:layout_height="match_parent"
+            android:layout_gravity="center_vertical"
+            android:gravity="center">
+            <TextView
+                android:id="@+id/SendCellIcon"
+                android:layout_width="26dp"
+                android:layout_height="26dp"
+                android:layout_gravity="center"
+                android:gravity="center"
+                android:text="[X]" />
+        </LinearLayout>
+        <LinearLayout
+            android:id="@+id/SendCellContent"
+            android:orientation="vertical"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:layout_gravity="center_vertical"
+            android:gravity="center"
+            android:paddingVertical="7.65dp">
+            <LinearLayout
+                android:id="@+id/SendCellContentTop"
+                android:orientation="horizontal"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+                <TextView
+                    android:id="@+id/SendCellName"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:singleLine="true"
+                    android:ellipsize="end"
+                    android:text="Name" />
+                <TextView
+                    android:id="@+id/SendCellHasPasswordIcon"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:paddingLeft="5dp"
+                    android:singleLine="true"
+                    android:text="&#xf084;" />
+                <TextView
+                    android:id="@+id/SendCellMaxAccessCountReachedIcon"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:paddingLeft="5dp"
+                    android:singleLine="true"
+                    android:text="&#xf05e;" />
+                <TextView
+                    android:id="@+id/SendCellExpiredIcon"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:paddingLeft="5dp"
+                    android:singleLine="true"
+                    android:text="&#xf017;" />
+                <TextView
+                    android:id="@+id/SendCellPendingDeleteIcon"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:paddingLeft="5dp"
+                    android:singleLine="true"
+                    android:text="&#xf1f8;" />
+            </LinearLayout>
+            <TextView
+                android:id="@+id/SendCellSubTitle"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:singleLine="true"
+                android:ellipsize="end"
+                android:text="SubTitle" />
+        </LinearLayout>
+        <Button
+            android:id="@+id/SendCellButton"
+            android:layout_width="37dp"
+            android:layout_height="match_parent"
+            android:text="&#xe5d4;"
+            android:gravity="center"
+            android:padding="0dp"
+            android:background="@android:color/transparent" />
+    </LinearLayout>
+</RelativeLayout>

src/Android/Resources/values/styles.xml

@@ -24,7 +24,6 @@
     <item name="colorControlNormal">@color/border</item>
     <item name="android:navigationBarColor">@android:color/black</item>
     <item name="windowActionModeOverlay">true</item>
-    <item name="android:datePickerDialogTheme">@style/AppCompatDialogStyle</item>
     <item name="android:colorActivatedHighlight">@android:color/transparent</item>
     <item name="android:textCursorDrawable">@null</item>
     <item name="popupTheme">@style/ThemeOverlay.AppCompat.Light</item>
@@ -47,7 +46,6 @@
     <item name="colorControlNormal">@color/dark_border</item>
     <item name="android:navigationBarColor">@color/dark_navigationBarBackground</item>
     <item name="windowActionModeOverlay">true</item>
-    <item name="android:datePickerDialogTheme">@style/AppCompatDialogStyle</item>
     <item name="android:colorActivatedHighlight">@android:color/transparent</item>
     <item name="android:textCursorDrawable">@null</item>
     <item name="popupTheme">@style/ThemeOverlay.AppCompat</item>
@@ -95,9 +93,4 @@
     <item name="android:colorBackground">@color/nord_popupBackground</item>
     <item name="android:textColor">@color/nord_popupText</item>
   </style>
-
-  <!-- Other theme components -->
-  <style name="AppCompatDialogStyle" parent="Theme.AppCompat.Light.Dialog">
-    <item name="colorAccent">#FF4081</item>
-  </style>
 </resources>