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/App/Controls/SendViewCell/SendViewCell.xaml

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+<?xml version="1.0" encoding="UTF-8"?>
+<ViewCell xmlns="http://xamarin.com/schemas/2014/forms"
+          xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+          x:Class="Bit.App.Controls.SendViewCell"
+          xmlns:controls="clr-namespace:Bit.App.Controls"
+          xmlns:u="clr-namespace:Bit.App.Utilities">
+
+    <Grid
+        x:Name="_grid"
+        StyleClass="list-row, list-row-platform"
+        RowSpacing="0"
+        ColumnSpacing="0"
+        x:DataType="controls:SendViewCellViewModel">
+
+        <Grid.BindingContext>
+            <controls:SendViewCellViewModel />
+        </Grid.BindingContext>
+
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+        </Grid.RowDefinitions>
+
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="40" />
+            <ColumnDefinition Width="*" />
+            <ColumnDefinition Width="60" />
+        </Grid.ColumnDefinitions>
+
+        <controls:FaLabel
+            x:Name="_icon"
+            Grid.Row="0"
+            Grid.Column="0"
+            HorizontalOptions="Center"
+            VerticalOptions="Center"
+            StyleClass="list-icon, list-icon-platform"
+            AutomationProperties.IsInAccessibleTree="False" />
+
+        <Grid RowSpacing="0" ColumnSpacing="0" Grid.Row="0" Grid.Column="1" VerticalOptions="Center">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+            </Grid.RowDefinitions>
+
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="Auto" />
+                <ColumnDefinition Width="Auto" />
+                <ColumnDefinition Width="Auto" />
+                <ColumnDefinition Width="Auto" />
+                <ColumnDefinition Width="*" />
+            </Grid.ColumnDefinitions>
+
+            <Label
+                LineBreakMode="TailTruncation"
+                Grid.Column="0"
+                Grid.Row="0"
+                StyleClass="list-title, list-title-platform"
+                Text="{Binding Send.Name, Mode=OneWay}" />
+            <Label
+                LineBreakMode="TailTruncation"
+                Grid.Column="0"
+                Grid.Row="1"
+                Grid.ColumnSpan="5"
+                StyleClass="list-subtitle, list-subtitle-platform"
+                Text="{Binding Send.DisplayDate, Mode=OneWay}" />
+            <controls:FaLabel
+                Grid.Column="1"
+                Grid.Row="0"
+                HorizontalOptions="Start"
+                VerticalOptions="Center"
+                StyleClass="list-title-icon"
+                Margin="5, 0, 0, 0"
+                Text="&#xf084;"
+                IsVisible="{Binding Send.HasPassword, Mode=OneWay}"
+                AutomationProperties.IsInAccessibleTree="True"
+                AutomationProperties.Name="{u:I18n Password}" />
+            <controls:FaLabel
+                Grid.Column="2"
+                Grid.Row="0"
+                HorizontalOptions="Start"
+                VerticalOptions="Center"
+                StyleClass="list-title-icon"
+                Margin="5, 0, 0, 0"
+                Text="&#xf05e;"
+                IsVisible="{Binding Send.MaxAccessCountReached, Mode=OneWay}"
+                AutomationProperties.IsInAccessibleTree="True"
+                AutomationProperties.Name="{u:I18n MaxAccessCountReached}" />
+            <controls:FaLabel
+                Grid.Column="3"
+                Grid.Row="0"
+                HorizontalOptions="Start"
+                VerticalOptions="Center"
+                StyleClass="list-title-icon"
+                Margin="5, 0, 0, 0"
+                Text="&#xf017;"
+                IsVisible="{Binding Send.Expired, Mode=OneWay}"
+                AutomationProperties.IsInAccessibleTree="True"
+                AutomationProperties.Name="{u:I18n Expired}" />
+            <controls:FaLabel
+                Grid.Column="4"
+                Grid.Row="0"
+                HorizontalOptions="Start"
+                VerticalOptions="Center"
+                StyleClass="list-title-icon"
+                Margin="5, 0, 0, 0"
+                Text="&#xf1f8;"
+                IsVisible="{Binding Send.PendingDelete, Mode=OneWay}"
+                AutomationProperties.IsInAccessibleTree="True"
+                AutomationProperties.Name="{u:I18n PendingDelete}" />
+        </Grid>
+
+        <controls:MiButton
+            Grid.Row="0"
+            Grid.Column="2"
+            Text="&#xe5d3;"
+            StyleClass="list-row-button, list-row-button-platform, btn-disabled"
+            Clicked="MoreButton_Clicked"
+            VerticalOptions="CenterAndExpand"
+            HorizontalOptions="EndAndExpand"
+            AutomationProperties.IsInAccessibleTree="True"
+            AutomationProperties.Name="{u:I18n Options}" />
+
+    </Grid>
+
+</ViewCell>

src/App/Controls/SendViewCell/SendViewCell.xaml.cs

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+using System;
+using Bit.App.Pages;
+using Bit.Core.Abstractions;
+using Bit.Core.Enums;
+using Bit.Core.Models.View;
+using Bit.Core.Utilities;
+using Xamarin.Forms;
+
+namespace Bit.App.Controls
+{
+    public partial class SendViewCell : ViewCell
+    {
+        public static readonly BindableProperty SendProperty = BindableProperty.Create(
+            nameof(Send), typeof(SendView), typeof(SendViewCell), default(SendView), BindingMode.OneWay);
+
+        public static readonly BindableProperty ButtonCommandProperty = BindableProperty.Create(
+            nameof(ButtonCommand), typeof(Command<SendView>), typeof(SendViewCell));
+
+        private readonly IEnvironmentService _environmentService;
+
+        private SendViewCellViewModel _viewModel;
+        private bool _usingNativeCell;
+
+        public SendViewCell()
+        {
+            _environmentService = ServiceContainer.Resolve<IEnvironmentService>("environmentService");
+            if (Device.RuntimePlatform == Device.iOS)
+            {
+                InitializeComponent();
+                _viewModel = _grid.BindingContext as SendViewCellViewModel;
+            }
+            else
+            {
+                _usingNativeCell = true;
+            }
+        }
+
+        public SendView Send
+        {
+            get => GetValue(SendProperty) as SendView;
+            set => SetValue(SendProperty, value);
+        }
+
+        public Command<SendView> ButtonCommand
+        {
+            get => GetValue(ButtonCommandProperty) as Command<SendView>;
+            set => SetValue(ButtonCommandProperty, value);
+        }
+
+        protected override void OnPropertyChanged(string propertyName = null)
+        {
+            base.OnPropertyChanged(propertyName);
+            if (_usingNativeCell)
+            {
+                return;
+            }
+            if (propertyName == SendProperty.PropertyName)
+            {
+                _viewModel.Send = Send;
+            }
+        }
+
+        protected override void OnBindingContextChanged()
+        {
+            base.OnBindingContextChanged();
+            if (_usingNativeCell)
+            {
+                return;
+            }
+
+            SendView send = null;
+            if (BindingContext is SendGroupingsPageListItem sendGroupingsPageListItem)
+            {
+                send = sendGroupingsPageListItem.Send;
+            }
+            else if (BindingContext is SendView sv)
+            {
+                send = sv;
+            }
+            if (send != null)
+            {
+                var iconImage = GetIconImage(send);
+                _icon.IsVisible = true;
+                _icon.Text = iconImage;
+            }
+        }
+
+        public string GetIconImage(SendView send)
+        {
+            string icon = null;
+            switch (send.Type)
+            {
+                case SendType.Text:
+                    icon = "\uf0f6"; // fa-file-text-o
+                    break;
+                case SendType.File:
+                    icon = "\uf016"; // fa-file-o
+                    break;
+                default:
+                    break;
+            }
+            return icon;
+        }
+
+        private void MoreButton_Clicked(object sender, EventArgs e)
+        {
+            ButtonCommand?.Execute(Send);
+        }
+    }
+}

src/App/Controls/SendViewCell/SendViewCellViewModel.cs

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+using Bit.Core.Models.View;
+using Bit.Core.Utilities;
+
+namespace Bit.App.Controls
+{
+    public class SendViewCellViewModel : ExtendedViewModel
+    {
+        private SendView _send;
+
+        public SendView Send
+        {
+            get => _send;
+            set => SetProperty(ref _send, value);
+        }
+    }
+}