add missing file for SearchTotpResults, preview TOTPs depending on settings, make TOTP copyable from Entry view

closes #803

src/keepass2android/GroupBaseActivity.cs

@@ -1140,6 +1140,15 @@ namespace keepass2android
 
         public abstract ElementAndDatabaseId FullGroupId { get; }
 
+        public virtual bool MayPreviewTotp
+        {
+            get
+            {
+                return !PreferenceManager.GetDefaultSharedPreferences(this).GetBoolean(GetString(Resource.String.masktotp_key),
+                    Resources.GetBoolean(Resource.Boolean.masktotp_default));
+            }
+        }
+
 
         public override bool OnPrepareOptionsMenu(IMenu menu)
         {

src/keepass2android/search/SearchTotpResults.cs

@@ -0,0 +1,162 @@
+/*
+This file is part of Keepass2Android, Copyright 2013 Philipp Crocoll. This file is based on Keepassdroid, Copyright Brian Pellin.
+
+  Keepass2Android 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 of the License, or
+  (at your option) any later version.
+
+  Keepass2Android 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 Keepass2Android.  If not, see <http://www.gnu.org/licenses/>.
+  */
+using System;
+using System.Linq;
+using System.Text.RegularExpressions;
+using Android.App;
+using Android.Content;
+using Android.Content.PM;
+using Android.OS;
+using Android.Preferences;
+using Android.Views;
+using Android.Widget;
+using keepass2android.view;
+using KeePassLib;
+
+namespace keepass2android.search
+{
+	/// <summary>
+	/// Activity to show search results
+	/// </summary>
+    [Activity(Label = "@string/app_name", Theme = "@style/MyTheme_ActionBar", LaunchMode = Android.Content.PM.LaunchMode.SingleTop, ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.Keyboard | ConfigChanges.KeyboardHidden)]
+	public class SearchTotpResults : GroupBaseActivity
+	{
+
+        public static void Launch(Activity act, AppTask appTask, ActivityFlags? flags = null)
+        {
+            Intent i = new Intent(act, typeof(SearchTotpResults));
+
+
+            if (flags != null)
+                i.SetFlags((ActivityFlags)flags);
+
+            appTask.ToIntent(i);
+            if (flags != null && (((ActivityFlags)flags) | ActivityFlags.ForwardResult) == ActivityFlags.ForwardResult)
+                act.StartActivity(i);
+            else
+                act.StartActivityForResult(i, 0);
+        }
+
+        public override bool MayPreviewTotp
+        {
+            get
+            {
+                return true;
+            }
+        }
+
+        protected override void OnCreate (Bundle bundle)
+		{
+			base.OnCreate (bundle);
+			
+			if ( IsFinishing ) {
+				return;
+			}
+
+            SetResult(KeePass.ExitNormal);
+
+            // Likely the app has been killed exit the activity 
+            if (!App.Kp2a.DatabaseIsUnlocked)
+            {
+                Finish();
+            }
+
+            Group = new PwGroup()
+            {
+                Name = GetString(Resource.String.TOTP)
+            };
+            try
+            {
+                foreach (var db in App.Kp2a.OpenDatabases)
+                {
+                    foreach (var entry in db.EntriesById.Values)
+                    {
+                        var totpData = new Kp2aTotp().TryGetTotpData(new PwEntryOutput(entry, db));
+						if (totpData?.IsTotpEntry == true)
+                            Group.AddEntry(entry, false);
+                    }
+                    
+                }
+            }
+            catch (Exception e)
+            {
+                Kp2aLog.LogUnexpectedError(e);
+                Toast.MakeText(this, e.Message, ToastLength.Long).Show();
+                Finish();
+                return;
+            }
+
+            if (Group == null || (!Group.Entries.Any()))
+            {
+                SetContentView(Resource.Layout.group_empty);
+            }
+
+            SetGroupTitle();
+
+            FragmentManager.FindFragmentById<GroupListFragment>(Resource.Id.list_fragment).ListAdapter = new PwGroupListAdapter(this, Group);
+
+        }
+
+	    public override bool EntriesBelongToCurrentDatabaseOnly
+	    {
+	        get { return false; }
+	    }
+
+	    public override ElementAndDatabaseId FullGroupId
+	    {
+	        get { return null; }
+	    }
+
+		
+
+            
+
+		public override void OnCreateContextMenu(IContextMenu menu, View v,
+			IContextMenuContextMenuInfo  menuInfo) 
+		{
+
+			AdapterView.AdapterContextMenuInfo acmi = (AdapterView.AdapterContextMenuInfo) menuInfo;
+			ClickView cv = (ClickView) acmi.TargetView;
+			cv.OnCreateMenu(menu, menuInfo);
+		}
+
+		public override bool OnContextItemSelected(IMenuItem item) {
+			AdapterView.AdapterContextMenuInfo acmi = (AdapterView.AdapterContextMenuInfo)item.MenuInfo;
+			ClickView cv = (ClickView) acmi.TargetView;
+
+			bool result;
+
+			return cv.OnContextItemSelected(item);
+		}
+
+
+		public override bool OnSearchRequested()
+		{
+			Intent i = new Intent(this, typeof(SearchActivity));
+			this.AppTask.ToIntent(i);
+			i.SetFlags(ActivityFlags.ForwardResult);
+			StartActivity(i);
+			return true;
+		}
+
+	    public override bool IsSearchResult
+        {
+            get { return true; }
+        }
+	}
+}
+

src/keepass2android/views/PwEntryView.cs

@@ -28,7 +28,8 @@ using Android.Preferences;
 using KeePass.Util.Spr;
 using KeeTrayTOTP.Libraries;
 using PluginTOTP;
-using Microsoft.Graph;
+using Android.Content;
+using System.ComponentModel;
 
 
 namespace keepass2android.view
@@ -92,6 +93,13 @@ namespace keepass2android.view
             _totpText = ev.FindViewById<TextView>(Resource.Id.totp_text);
             _totpLayout = ev.FindViewById<LinearLayout>(Resource.Id.totp_layout);
 
+            _totpLayout.LongClick += (sender, args) =>
+            {
+                string totp = UpdateTotp();
+                if (!String.IsNullOrEmpty(totp))
+                    CopyToClipboardService.CopyValueToClipboardWithTimeout(_groupActivity, totp, true);
+            };
+
             _showDetail = PreferenceManager.GetDefaultSharedPreferences(groupActivity).GetBoolean(
 				groupActivity.GetString(Resource.String.ShowUsernameInList_key), 
 				Resources.GetBoolean(Resource.Boolean.ShowUsernameInList_default));
@@ -200,16 +208,7 @@ namespace keepass2android.view
             UpdateTotp();
             
 
-            if (_totpData?.IsTotpEntry == true)
+           
-            {
-                _totpLayout.Visibility = ViewStates.Visible;
-               
-                
-            }
-            else
-            {
-                _totpLayout.Visibility = ViewStates.Gone;
-            }
                 
 
             
@@ -283,14 +282,25 @@ namespace keepass2android.view
 		
         private Database _db;
 
-        public void UpdateTotp()
+        public string UpdateTotp()
         {
-			
+            ISharedPreferences prefs = PreferenceManager.GetDefaultSharedPreferences(_groupActivity);
-            _totpData = new Kp2aTotp().TryGetTotpData(new PwEntryOutput(_entry, _db));
+            bool showTotpDefault = _groupActivity.MayPreviewTotp;
+                
+
+            if (showTotpDefault)
+                _totpData = new Kp2aTotp().TryGetTotpData(new PwEntryOutput(_entry, _db));
+			else
+			    _totpData = null;
+
+            if (_totpData?.IsTotpEntry != true)
+            {
+                _totpLayout.Visibility = ViewStates.Gone;
+                return null;
+            }
+
+            _totpLayout.Visibility = ViewStates.Visible;
 
-            if (_totpData == null)
-                return;
-			Kp2aLog.Log("UpdateTotp");
             TOTPProvider prov = new TOTPProvider(_totpData);
             string totp = prov.GenerateByByte(_totpData.TotpSecret);
 
@@ -298,6 +308,8 @@ namespace keepass2android.view
             var progressBar = _totpCountdown;
             progressBar.Progress = prov.Timer;
             progressBar.Max = prov.Duration;
+
+            return totp;
         }
     }
 }