rename folder keepass2android => keepass2android-app

src/keepass2android-app/ExportDatabaseActivity.cs

@@ -0,0 +1,151 @@
+using System;
+using System.IO;
+using Android.App;
+using Android.Content;
+using Android.Content.PM;
+using Android.Util;
+using Android.Widget;
+using Google.Android.Material.Dialog;
+using KeePass.DataExchange;
+using KeePass.DataExchange.Formats;
+using KeePassLib.Interfaces;
+using KeePassLib.Serialization;
+using keepass2android.Io;
+using keepass2android;
+
+namespace keepass2android
+{
+    public class ExportDbProcessManager: FileSaveProcessManager
+    {
+        private readonly FileFormatProvider _ffp;
+
+        public ExportDbProcessManager(int requestCode, Activity activity, FileFormatProvider ffp) : base(requestCode, activity)
+        {
+            _ffp = ffp;
+        }
+
+        protected override void SaveFile(IOConnectionInfo ioc)
+        {
+            var exportDb = new ExportDatabaseActivity.ExportDb(_activity, App.Kp2a, new ActionOnFinish(_activity, (success, message, activity) =>
+                {
+                    if (!success)
+                        Toast.MakeText(activity, message, ToastLength.Long).Show();
+                    else
+                        Toast.MakeText(activity, _activity.GetString(Resource.String.export_database_successful), ToastLength.Long).Show();
+                    activity.Finish();
+                }
+            ), _ffp, ioc);
+            ProgressTask pt = new ProgressTask(App.Kp2a, _activity, exportDb);
+            pt.Run();
+
+        }
+    }
+
+	[Activity(Label = "@string/app_name",
+	    ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.Keyboard | ConfigChanges.KeyboardHidden,
+        Theme = "@style/Kp2aTheme_ActionBar", Exported = true)]
+	[IntentFilter(new[] {"kp2a.action.ExportDatabaseActivity"}, Categories = new[] {Intent.CategoryDefault})]
+	public class ExportDatabaseActivity : LockCloseActivity
+	{
+		FileFormatProvider[] _ffp = new FileFormatProvider[]
+			{
+				new KeePassKdb2x(),
+				new KeePassXml2x(), 
+				new KeePassCsv1x()
+			};
+
+		private int _fileFormatIndex;
+
+	    private ExportDbProcessManager _exportDbProcessManager;
+
+        protected override void OnCreate(Android.OS.Bundle savedInstanceState)
+		{
+			base.OnCreate(savedInstanceState);
+			MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(this);
+			builder.SetTitle(Resource.String.export_fileformats_title);
+			builder.SetSingleChoiceItems(Resource.Array.export_fileformat_options, _fileFormatIndex,
+				delegate(object sender, DialogClickEventArgs args) { _fileFormatIndex = args.Which; });
+			builder.SetPositiveButton(Android.Resource.String.Ok, delegate
+			{
+			    _exportDbProcessManager = new ExportDbProcessManager(0, this, _ffp[_fileFormatIndex]);
+			    _exportDbProcessManager.StartProcess();
+			});
+			builder.SetNegativeButton(Resource.String.cancel, delegate {
+					Finish();
+				});
+			builder.Show();
+		}
+
+		protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
+		{
+			base.OnActivityResult(requestCode, resultCode, data);
+
+		    if (_exportDbProcessManager?.OnActivityResult(requestCode, resultCode, data) == true)
+		        return;
+
+			Finish();
+
+		}
+        
+
+		protected int RequestCodeDbFilename
+		{
+			get { return 0; }
+		}
+
+		public class ExportDb : RunnableOnFinish
+		{
+			private readonly IKp2aApp _app;
+			private readonly FileFormatProvider _fileFormat;
+			private IOConnectionInfo _targetIoc;
+
+			public ExportDb(Activity activity, IKp2aApp app, OnFinish onFinish, FileFormatProvider fileFormat, IOConnectionInfo targetIoc) : base(activity, onFinish)
+			{
+				_app = app;
+				this._fileFormat = fileFormat;
+				_targetIoc = targetIoc;
+			}
+
+			public override void Run()
+			{
+				StatusLogger.UpdateMessage(UiStringKey.exporting_database);
+				var pd = _app.CurrentDb.KpDatabase;
+				PwExportInfo pwInfo = new PwExportInfo(pd.RootGroup, pd, true);
+				
+				try
+				{
+					var fileStorage = _app.GetFileStorage(_targetIoc);
+					if (fileStorage is IOfflineSwitchable)
+					{
+						((IOfflineSwitchable) fileStorage).IsOffline = false;
+					}
+					using (var writeTransaction = fileStorage.OpenWriteTransaction(_targetIoc, _app.GetBooleanPreference(PreferenceKey.UseFileTransactions)))
+					{
+						Stream sOut = writeTransaction.OpenFile();
+						_fileFormat.Export(pwInfo, sOut, new NullStatusLogger());
+						
+						if (sOut != null) sOut.Close();
+
+						writeTransaction.CommitWrite();
+						
+					}
+					if (fileStorage is IOfflineSwitchable)
+					{
+						((IOfflineSwitchable)fileStorage).IsOffline = App.Kp2a.OfflineMode;
+					}
+					
+					Finish(true);
+
+					
+				}
+				catch (Exception ex)
+				{
+					Finish(false, ex.Message);
+				}
+
+
+			}
+		}
+
+	}
+}