From dc7b37c8f265c1772a872a8f8558a32db1cb6cae Mon Sep 17 00:00:00 2001
From: Kyle Spearrin <kyle.spearrin@gmail.com>
Date: Thu, 30 May 2019 12:37:35 -0400
Subject: [PATCH] accessibility service autofill

---
 src/App/Pages/Settings/OptionsPage.xaml       | 71 ++++++++++++++---
 .../Pages/Settings/OptionsPageViewModel.cs    | 77 ++++++++++++++++++-
 2 files changed, 136 insertions(+), 12 deletions(-)

diff --git a/src/App/Pages/Settings/OptionsPage.xaml b/src/App/Pages/Settings/OptionsPage.xaml
index 05162f78b..969d5fffa 100644
--- a/src/App/Pages/Settings/OptionsPage.xaml
+++ b/src/App/Pages/Settings/OptionsPage.xaml
@@ -14,6 +14,22 @@
 
     <ScrollView>
         <StackLayout Padding="0" Spacing="20">
+            <StackLayout StyleClass="box">
+                <StackLayout StyleClass="box-row, box-row-input">
+                    <Label
+                        Text="{u:I18n Theme}"
+                        StyleClass="box-label" />
+                    <Picker
+                        x:Name="_themePicker"
+                        ItemsSource="{Binding ThemeOptions, Mode=OneTime}"
+                        SelectedIndex="{Binding ThemeSelectedIndex}"
+                        StyleClass="box-value" />
+                </StackLayout>
+                <Label
+                    StyleClass="box-footer-label"
+                    Text="{u:I18n ThemeDescription}"
+                    x:Name="_themeDescriptionLabel" />
+            </StackLayout>
             <StackLayout StyleClass="box">
                 <StackLayout StyleClass="box-row, box-row-input">
                     <Label
@@ -75,20 +91,53 @@
                     StyleClass="box-footer-label" />
             </StackLayout>
             <StackLayout StyleClass="box">
-                <StackLayout StyleClass="box-row, box-row-input">
+                <StackLayout StyleClass="box-row-header">
+                    <Label Text="{u:I18n AutofillAccessibilityService}"
+                           StyleClass="box-header, box-header-platform" />
+                </StackLayout>
+                <StackLayout StyleClass="box-row, box-row-switch">
                     <Label
-                        Text="{u:I18n Theme}"
-                        StyleClass="box-label" />
-                    <Picker
-                        x:Name="_themePicker"
-                        ItemsSource="{Binding ThemeOptions, Mode=OneTime}"
-                        SelectedIndex="{Binding ThemeSelectedIndex}"
-                        StyleClass="box-value" />
+                        Text="{u:I18n AutofillAlways}"
+                        StyleClass="box-label, box-label-regular"
+                        HorizontalOptions="StartAndExpand" />
+                    <Switch
+                        IsToggled="{Binding AutofillAlwaysScan}"
+                        StyleClass="box-value"
+                        HorizontalOptions="End" />
                 </StackLayout>
                 <Label
-                    StyleClass="box-footer-label"
-                    Text="{u:I18n ThemeDescription}"
-                    x:Name="_themeDescriptionLabel" />
+                    Text="{u:I18n AutofillAlwaysDescription}"
+                    StyleClass="box-footer-label" />
+            </StackLayout>
+            <StackLayout StyleClass="box">
+                <StackLayout StyleClass="box-row, box-row-switch">
+                    <Label
+                        Text="{u:I18n AutofillPersistNotification}"
+                        StyleClass="box-label, box-label-regular"
+                        HorizontalOptions="StartAndExpand" />
+                    <Switch
+                        IsToggled="{Binding AutofillPersistNotification}"
+                        StyleClass="box-value"
+                        HorizontalOptions="End" />
+                </StackLayout>
+                <Label
+                    Text="{u:I18n AutofillPersistNotificationDescription}"
+                    StyleClass="box-footer-label" />
+            </StackLayout>
+            <StackLayout StyleClass="box">
+                <StackLayout StyleClass="box-row, box-row-switch">
+                    <Label
+                        Text="{u:I18n AutofillPasswordField}"
+                        StyleClass="box-label, box-label-regular"
+                        HorizontalOptions="StartAndExpand" />
+                    <Switch
+                        IsToggled="{Binding AutofillPasswordField}"
+                        StyleClass="box-value"
+                        HorizontalOptions="End" />
+                </StackLayout>
+                <Label
+                    Text="{u:I18n AutofillPasswordFieldDescription}"
+                    StyleClass="box-footer-label" />
             </StackLayout>
         </StackLayout>
     </ScrollView>
diff --git a/src/App/Pages/Settings/OptionsPageViewModel.cs b/src/App/Pages/Settings/OptionsPageViewModel.cs
index 6d01743fa..235eb03a7 100644
--- a/src/App/Pages/Settings/OptionsPageViewModel.cs
+++ b/src/App/Pages/Settings/OptionsPageViewModel.cs
@@ -20,12 +20,17 @@ namespace Bit.App.Pages
         private readonly IStateService _stateService;
         private readonly IMessagingService _messagingService;
 
+
+        private bool _autofillAlwaysScan;
+        private bool _autofillPersistNotification;
+        private bool _autofillPasswordField;
         private bool _disableFavicon;
         private bool _disableAutoTotpCopy;
         private int _clearClipboardSelectedIndex;
         private int _themeSelectedIndex;
         private int _uriMatchSelectedIndex;
         private bool _inited;
+        private bool _updatingAutofill;
 
         public OptionsPageViewModel()
         {
@@ -129,10 +134,51 @@ namespace Bit.App.Pages
             }
         }
 
+        public bool AutofillAlwaysScan
+        {
+            get => _autofillAlwaysScan;
+            set
+            {
+                if(SetProperty(ref _autofillAlwaysScan, value))
+                {
+                    var task = UpdateAutofillAsync(false, false);
+                }
+            }
+        }
+
+        public bool AutofillPersistNotification
+        {
+            get => _autofillPersistNotification;
+            set
+            {
+                if(SetProperty(ref _autofillPersistNotification, value))
+                {
+                    var task = UpdateAutofillAsync(value, false);
+                }
+            }
+        }
+
+        public bool AutofillPasswordField
+        {
+            get => _autofillPasswordField;
+            set
+            {
+                if(SetProperty(ref _autofillPasswordField, value))
+                {
+                    var task = UpdateAutofillAsync(false, value);
+                }
+            }
+        }
+
         public async Task InitAsync()
         {
+            AutofillPersistNotification = (await _storageService.GetAsync<bool?>(
+                Constants.AccessibilityAutofillPersistNotificationKey)).GetValueOrDefault();
+            AutofillPasswordField = (await _storageService.GetAsync<bool?>(
+                Constants.AccessibilityAutofillPasswordFieldKey)).GetValueOrDefault();
+            AutofillAlwaysScan = !AutofillPersistNotification && !AutofillPasswordField;
             DisableAutoTotpCopy = !(await _totpService.IsAutoCopyEnabledAsync());
-            DisableFavicon = await _storageService.GetAsync<bool>(Constants.DisableFaviconKey);
+            DisableFavicon = (await _storageService.GetAsync<bool?>(Constants.DisableFaviconKey)).GetValueOrDefault();
             var theme = await _storageService.GetAsync<string>(Constants.ThemeKey);
             ThemeSelectedIndex = ThemeOptions.FindIndex(k => k.Key == theme);
             var defaultUriMatch = await _storageService.GetAsync<int?>(Constants.DefaultUriMatch);
@@ -143,6 +189,35 @@ namespace Bit.App.Pages
             _inited = true;
         }
 
+        private async Task UpdateAutofillAsync(bool persistNotification, bool passwordField)
+        {
+            if(_inited && !_updatingAutofill)
+            {
+                _updatingAutofill = true;
+                if(persistNotification)
+                {
+                    AutofillAlwaysScan = false;
+                    AutofillPasswordField = false;
+                }
+                else if(passwordField)
+                {
+                    AutofillAlwaysScan = false;
+                    AutofillPersistNotification = false;
+                }
+                else
+                {
+                    AutofillAlwaysScan = true;
+                    AutofillPersistNotification = false;
+                    AutofillPasswordField = false;
+                }
+                await _storageService.SaveAsync(Constants.AccessibilityAutofillPersistNotificationKey,
+                    AutofillPersistNotification);
+                await _storageService.SaveAsync(Constants.AccessibilityAutofillPasswordFieldKey,
+                    AutofillPasswordField);
+                _updatingAutofill = false;
+            }
+        }
+
         private async Task UpdateAutoTotpCopyAsync()
         {
             if(_inited)