From 22f16ea514baf903d74e5fe3a796d8bd7d744ed2 Mon Sep 17 00:00:00 2001
From: Kyle Spearrin <kyle.spearrin@gmail.com>
Date: Mon, 3 Jun 2019 12:05:18 -0400
Subject: [PATCH] accessibility settings page

---
 src/Android/Services/DeviceActionService.cs   | 29 +++++++
 src/App/Abstractions/IDeviceActionService.cs  |  2 +
 src/App/App.csproj                            |  3 +
 .../Settings/AccessibilityServicePage.xaml    | 85 +++++++++++++++++++
 .../Settings/AccessibilityServicePage.xaml.cs | 52 ++++++++++++
 .../AccessibilityServicePageViewModel.cs      | 38 +++++++++
 .../SettingsPage/SettingsPage.xaml.cs         |  7 +-
 .../SettingsPage/SettingsPageViewModel.cs     |  2 +-
 8 files changed, 216 insertions(+), 2 deletions(-)
 create mode 100644 src/App/Pages/Settings/AccessibilityServicePage.xaml
 create mode 100644 src/App/Pages/Settings/AccessibilityServicePage.xaml.cs
 create mode 100644 src/App/Pages/Settings/AccessibilityServicePageViewModel.cs

diff --git a/src/Android/Services/DeviceActionService.cs b/src/Android/Services/DeviceActionService.cs
index 3f649ad96..3a22506ae 100644
--- a/src/Android/Services/DeviceActionService.cs
+++ b/src/Android/Services/DeviceActionService.cs
@@ -512,6 +512,35 @@ namespace Bit.Droid.Services
             return afm.IsEnabled && afm.HasEnabledAutofillServices;
         }
 
+        public void OpenAccessibilitySettings()
+        {
+            var activity = (MainActivity)CrossCurrentActivity.Current.Activity;
+            var intent = new Intent(Settings.ActionAccessibilitySettings);
+            activity.StartActivity(intent);
+        }
+
+        public void OpenAutofillSettings()
+        {
+            var activity = (MainActivity)CrossCurrentActivity.Current.Activity;
+            try
+            {
+                var intent = new Intent(Settings.ActionRequestSetAutofillService);
+                intent.SetData(Android.Net.Uri.Parse("package:com.x8bit.bitwarden"));
+                activity.StartActivity(intent);
+            }
+            catch(ActivityNotFoundException)
+            {
+                var alertBuilder = new AlertDialog.Builder(activity);
+                alertBuilder.SetMessage(AppResources.BitwardenAutofillGoToSettings);
+                alertBuilder.SetCancelable(true);
+                alertBuilder.SetPositiveButton(AppResources.Ok, (sender, args) =>
+                {
+                    (sender as AlertDialog)?.Cancel();
+                });
+                alertBuilder.Create().Show();
+            }
+        }
+
         private bool DeleteDir(Java.IO.File dir)
         {
             if(dir != null && dir.IsDirectory)
diff --git a/src/App/Abstractions/IDeviceActionService.cs b/src/App/Abstractions/IDeviceActionService.cs
index 0fdfc396d..6e0126ee5 100644
--- a/src/App/Abstractions/IDeviceActionService.cs
+++ b/src/App/Abstractions/IDeviceActionService.cs
@@ -31,5 +31,7 @@ namespace Bit.App.Abstractions
         bool AutofillAccessibilityServiceRunning();
         bool AutofillServiceEnabled();
         string GetBuildNumber();
+        void OpenAccessibilitySettings();
+        void OpenAutofillSettings();
     }
 }
diff --git a/src/App/App.csproj b/src/App/App.csproj
index 2e27b8e4a..2b003fcf9 100644
--- a/src/App/App.csproj
+++ b/src/App/App.csproj
@@ -60,6 +60,9 @@
     <Compile Update="Pages\Settings\OptionsPage.xaml.cs">
       <DependentUpon>OptionsPage.xaml</DependentUpon>
     </Compile>
+    <Compile Update="Pages\Settings\AccessibilityServicePage.xaml.cs">
+      <DependentUpon>AccessibilityServicePage.xaml</DependentUpon>
+    </Compile>
     <Compile Update="Pages\Settings\SyncPage.xaml.cs">
       <DependentUpon>SyncPage.xaml</DependentUpon>
     </Compile>
diff --git a/src/App/Pages/Settings/AccessibilityServicePage.xaml b/src/App/Pages/Settings/AccessibilityServicePage.xaml
new file mode 100644
index 000000000..752dd8a18
--- /dev/null
+++ b/src/App/Pages/Settings/AccessibilityServicePage.xaml
@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<pages:BaseContentPage 
+    xmlns="http://xamarin.com/schemas/2014/forms"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    x:Class="Bit.App.Pages.AccessibilityServicePage"
+    xmlns:pages="clr-namespace:Bit.App.Pages"
+    xmlns:u="clr-namespace:Bit.App.Utilities"
+    x:DataType="pages:AccessibilityServicePageViewModel"
+    Title="{Binding PageTitle}">
+    <ContentPage.BindingContext>
+        <pages:AccessibilityServicePageViewModel />
+    </ContentPage.BindingContext>
+
+    <ContentPage.Resources>
+        <ResourceDictionary>
+            <u:InverseBoolConverter x:Key="inverseBool" />
+        </ResourceDictionary>
+    </ContentPage.Resources>
+
+    <ScrollView>
+        <StackLayout Spacing="20"
+                 Padding="10, 30"
+                 VerticalOptions="FillAndExpand">
+            <Label Text="{u:I18n AutofillAccessibilityDescription}"
+                   VerticalOptions="Start"
+                   HorizontalTextAlignment="Center"
+                   LineBreakMode="WordWrap" />
+            <StackLayout IsVisible="{Binding Enabled, Converter={StaticResource inverseBool}}"
+                         VerticalOptions="CenterAndExpand"
+                         HorizontalOptions="Center">
+                <StackLayout Orientation="Horizontal" HorizontalOptions="CenterAndExpand">
+                    <Label Text="{u:I18n Status}" />
+                    <Label Text="{u:I18n Disabled}"
+                           StyleClass="text-danger, text-bold" />
+                </StackLayout>
+                <Image Source="accessibility_step1.png"
+                       HorizontalOptions="Center"
+                       Margin="0, 20, 0, 0"
+                       WidthRequest="300"
+                       HeightRequest="98" />
+                <Label Text="{u:I18n BitwardenAutofillServiceStep1}"
+                       HorizontalTextAlignment="Center"
+                       LineBreakMode="WordWrap"
+                       StyleClass="text-sm" />
+                <Image Source="accessibility_step2.png"
+                       HorizontalOptions="Center"
+                       Margin="0, 20, 0, 0"
+                       WidthRequest="300"
+                       HeightRequest="67" />
+                <Label Text="{u:I18n BitwardenAutofillServiceStep2}"
+                       HorizontalTextAlignment="Center"
+                       LineBreakMode="WordWrap"
+                       StyleClass="text-sm" />
+            </StackLayout>
+            <StackLayout IsVisible="{Binding Enabled}"
+                         VerticalOptions="CenterAndExpand"
+                         HorizontalOptions="Center">
+                <StackLayout Orientation="Horizontal" HorizontalOptions="Center">
+                    <Label Text="{u:I18n Status}" />
+                    <Label Text="{u:I18n Enabled}"
+                           StyleClass="text-success, text-bold" />
+                </StackLayout>
+                <Image Source="accessibility_notification_icon.png"
+                       HorizontalOptions="Center"
+                       Margin="0, 20, 0, 0"
+                       WidthRequest="300"
+                       HeightRequest="54" />
+                <Image Source="accessibility_notification.png"
+                       HorizontalOptions="Center"
+                       Margin="0, 20, 0, 0"
+                       WidthRequest="300"
+                       HeightRequest="74" />
+                <Label Text="{u:I18n BitwardenAutofillServiceNotification}"
+                       HorizontalTextAlignment="Center"
+                       LineBreakMode="WordWrap"
+                       StyleClass="text-sm" />
+            </StackLayout>
+            <Button Text="{u:I18n BitwardenAutofillServiceOpenAccessibilitySettings}"
+                    Clicked="Settings_Clicked"
+                    HorizontalOptions="Fill"
+                    VerticalOptions="End"></Button>
+        </StackLayout>
+    </ScrollView>
+
+</pages:BaseContentPage>
diff --git a/src/App/Pages/Settings/AccessibilityServicePage.xaml.cs b/src/App/Pages/Settings/AccessibilityServicePage.xaml.cs
new file mode 100644
index 000000000..1a921ffbd
--- /dev/null
+++ b/src/App/Pages/Settings/AccessibilityServicePage.xaml.cs
@@ -0,0 +1,52 @@
+using System;
+using Xamarin.Forms;
+
+namespace Bit.App.Pages
+{
+    public partial class AccessibilityServicePage : BaseContentPage
+    {
+        private readonly AccessibilityServicePageViewModel _vm;
+        private readonly SettingsPage _settingsPage;
+        private DateTime? _timerStarted = null;
+        private TimeSpan _timerMaxLength = TimeSpan.FromMinutes(5);
+
+        public AccessibilityServicePage(SettingsPage settingsPage)
+        {
+            InitializeComponent();
+            _vm = BindingContext as AccessibilityServicePageViewModel;
+            _vm.Page = this;
+            _settingsPage = settingsPage;
+        }
+
+        protected override void OnAppearing()
+        {
+            _vm.UpdateEnabled();
+            _timerStarted = DateTime.UtcNow;
+            Device.StartTimer(new TimeSpan(0, 0, 3), () =>
+            {
+                if(_timerStarted == null || (DateTime.UtcNow - _timerStarted) > _timerMaxLength)
+                {
+                    return false;
+                }
+                _vm.UpdateEnabled();
+                return true;
+            });
+            base.OnAppearing();
+        }
+
+        protected override void OnDisappearing()
+        {
+            _timerStarted = null;
+            _settingsPage.BuildList();
+            base.OnDisappearing();
+        }
+
+        private void Settings_Clicked(object sender, EventArgs e)
+        {
+            if(DoOnce())
+            {
+                _vm.OpenSettings();
+            }
+        }
+    }
+}
diff --git a/src/App/Pages/Settings/AccessibilityServicePageViewModel.cs b/src/App/Pages/Settings/AccessibilityServicePageViewModel.cs
new file mode 100644
index 000000000..1bc5f5bdd
--- /dev/null
+++ b/src/App/Pages/Settings/AccessibilityServicePageViewModel.cs
@@ -0,0 +1,38 @@
+using Bit.App.Abstractions;
+using Bit.App.Resources;
+using Bit.Core.Abstractions;
+using Bit.Core.Utilities;
+
+namespace Bit.App.Pages
+{
+    public class AccessibilityServicePageViewModel : BaseViewModel
+    {
+        private readonly IDeviceActionService _deviceActionService;
+        private readonly IPlatformUtilsService _platformUtilsService;
+
+        private bool _enabled;
+
+        public AccessibilityServicePageViewModel()
+        {
+            _deviceActionService = ServiceContainer.Resolve<IDeviceActionService>("deviceActionService");
+            _platformUtilsService = ServiceContainer.Resolve<IPlatformUtilsService>("platformUtilsService");
+            PageTitle = AppResources.AutofillAccessibilityService;
+        }
+
+        public bool Enabled
+        {
+            get => _enabled;
+            set => SetProperty(ref _enabled, value);
+        }
+
+        public void OpenSettings()
+        {
+            _deviceActionService.OpenAccessibilitySettings();
+        }
+
+        public void UpdateEnabled()
+        {
+            Enabled = _deviceActionService.AutofillAccessibilityServiceRunning();
+        }
+    }
+}
diff --git a/src/App/Pages/Settings/SettingsPage/SettingsPage.xaml.cs b/src/App/Pages/Settings/SettingsPage/SettingsPage.xaml.cs
index 3295ed59d..a0ed4737f 100644
--- a/src/App/Pages/Settings/SettingsPage/SettingsPage.xaml.cs
+++ b/src/App/Pages/Settings/SettingsPage/SettingsPage.xaml.cs
@@ -26,6 +26,11 @@ namespace Bit.App.Pages
             await _vm.InitAsync();
         }
 
+        public void BuildList()
+        {
+            _vm.BuildList();
+        }
+
         protected override bool OnBackButtonPressed()
         {
             if(Device.RuntimePlatform == Device.Android && _tabsPage != null)
@@ -54,7 +59,7 @@ namespace Bit.App.Pages
             }
             else if(item.Name == AppResources.AutofillAccessibilityService)
             {
-                // await Navigation.PushModalAsync(new NavigationPage(new OptionsPage()));
+                await Navigation.PushModalAsync(new NavigationPage(new AccessibilityServicePage(this)));
             }
             else if(item.Name == AppResources.AutofillService)
             {
diff --git a/src/App/Pages/Settings/SettingsPage/SettingsPageViewModel.cs b/src/App/Pages/Settings/SettingsPage/SettingsPageViewModel.cs
index 91869618b..2cadfd63f 100644
--- a/src/App/Pages/Settings/SettingsPage/SettingsPageViewModel.cs
+++ b/src/App/Pages/Settings/SettingsPage/SettingsPageViewModel.cs
@@ -270,7 +270,7 @@ namespace Bit.App.Pages
             BuildList();
         }
 
-        private void BuildList()
+        public void BuildList()
         {
             var doUpper = Device.RuntimePlatform != Device.Android;
             var autofillItems = new List<SettingsPageListItem>();