Initial WinUI switch.
This commit is contained in:
Burak Kaan Köse
@@ -0,0 +1,389 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reactive.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using CommunityToolkit.Mvvm.Messaging;
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using CommunityToolkit.WinUI.Controls;
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using EmailValidation;
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using Microsoft.UI.Xaml;
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using Microsoft.UI.Xaml.Controls;
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using Microsoft.UI.Xaml.Input;
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using Microsoft.UI.Xaml.Navigation;
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using MimeKit;
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using Windows.ApplicationModel.DataTransfer;
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using Windows.Foundation;
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using Windows.Storage;
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using Windows.UI.Core.Preview;
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using Wino.Core.Domain;
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using Wino.Core.Domain.Entities.Shared;
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using Wino.Core.Domain.Models.Reader;
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using Wino.Core.UWP.Extensions;
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using Wino.Mail.ViewModels.Data;
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using Wino.Messaging.Client.Mails;
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using Wino.Messaging.Client.Shell;
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using Wino.Views.Abstract;
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namespace Wino.Views;
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public sealed partial class ComposePage : ComposePageAbstract,
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IRecipient<CreateNewComposeMailRequested>,
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IRecipient<ApplicationThemeChanged>
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{
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public WebView2 GetWebView() => WebViewEditor.GetUnderlyingWebView();
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private readonly List<IDisposable> _disposables = [];
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private readonly SystemNavigationManagerPreview _navManagerPreview = SystemNavigationManagerPreview.GetForCurrentView();
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public ComposePage()
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{
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InitializeComponent();
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_navManagerPreview.CloseRequested += OnClose;
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}
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private async void GlobalFocusManagerGotFocus(object sender, FocusManagerGotFocusEventArgs e)
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{
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// In order to delegate cursor to the inner editor for WebView2.
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// When the control got focus, we invoke script to focus the editor.
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// This is not done on the WebView2 handlers, because somehow it is
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// repeatedly focusing itself, even though when it has the focus already.
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if (e.NewFocusedElement == WebViewEditor)
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{
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await WebViewEditor.FocusEditorAsync(true);
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}
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}
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private IDisposable GetSuggestionBoxDisposable(TokenizingTextBox box)
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{
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return Observable.FromEventPattern<TypedEventHandler<AutoSuggestBox, AutoSuggestBoxTextChangedEventArgs>, AutoSuggestBoxTextChangedEventArgs>(
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x => box.TextChanged += x,
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x => box.TextChanged -= x)
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.Throttle(TimeSpan.FromMilliseconds(120))
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.ObserveOn(SynchronizationContext.Current)
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.Subscribe(t =>
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{
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if (t.EventArgs.Reason == AutoSuggestionBoxTextChangeReason.UserInput)
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{
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if (t.Sender is AutoSuggestBox senderBox && senderBox.Text.Length >= 2)
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{
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_ = ViewModel.ContactService.GetAddressInformationAsync(senderBox.Text).ContinueWith(x =>
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{
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_ = ViewModel.ExecuteUIThread(() =>
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{
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var addresses = x.Result;
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senderBox.ItemsSource = addresses;
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});
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});
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}
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}
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});
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}
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private void OnComposeGridDragOver(object sender, DragEventArgs e)
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{
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ViewModel.IsDraggingOverComposerGrid = true;
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}
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private void OnComposeGridDragLeave(object sender, DragEventArgs e)
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{
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ViewModel.IsDraggingOverComposerGrid = false;
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}
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private void OnFileDropGridDragOver(object sender, DragEventArgs e)
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{
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ViewModel.IsDraggingOverFilesDropZone = true;
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e.AcceptedOperation = DataPackageOperation.Copy;
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e.DragUIOverride.Caption = Translator.ComposerAttachmentsDragDropAttach_Message;
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e.DragUIOverride.IsCaptionVisible = true;
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e.DragUIOverride.IsGlyphVisible = true;
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e.DragUIOverride.IsContentVisible = true;
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}
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private void OnFileDropGridDragLeave(object sender, DragEventArgs e)
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{
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ViewModel.IsDraggingOverFilesDropZone = false;
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}
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private async void OnFileDropGridFileDropped(object sender, DragEventArgs e)
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{
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try
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{
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if (e.DataView.Contains(StandardDataFormats.StorageItems))
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{
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var storageItems = await e.DataView.GetStorageItemsAsync();
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var files = storageItems.OfType<StorageFile>();
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await AttachFiles(files);
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}
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}
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// State should be reset even when an exception occurs, otherwise the UI will be stuck in a dragging state.
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finally
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{
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ViewModel.IsDraggingOverComposerGrid = false;
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ViewModel.IsDraggingOverFilesDropZone = false;
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}
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}
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private void OnImageDropGridDragEnter(object sender, DragEventArgs e)
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{
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bool isValid = false;
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if (e.DataView.Contains(StandardDataFormats.StorageItems))
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{
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// We can't use async/await here because DragUIOverride becomes inaccessible.
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// https://github.com/microsoft/microsoft-ui-xaml/issues/9296
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var files = e.DataView.GetStorageItemsAsync().GetAwaiter().GetResult().OfType<StorageFile>();
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foreach (var file in files)
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{
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if (IsValidImageFile(file))
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{
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isValid = true;
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}
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}
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}
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e.AcceptedOperation = isValid ? DataPackageOperation.Copy : DataPackageOperation.None;
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if (isValid)
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{
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ViewModel.IsDraggingOverImagesDropZone = true;
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e.DragUIOverride.Caption = Translator.ComposerAttachmentsDragDropAttach_Message;
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e.DragUIOverride.IsCaptionVisible = true;
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e.DragUIOverride.IsGlyphVisible = true;
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e.DragUIOverride.IsContentVisible = true;
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}
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}
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private void OnImageDropGridDragLeave(object sender, DragEventArgs e)
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{
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ViewModel.IsDraggingOverImagesDropZone = false;
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}
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private async void OnImageDropGridImageDropped(object sender, DragEventArgs e)
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{
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try
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{
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if (e.DataView.Contains(StandardDataFormats.StorageItems))
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{
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var storageItems = await e.DataView.GetStorageItemsAsync();
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var files = storageItems.OfType<StorageFile>();
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var imagesInformation = new List<ImageInfo>();
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foreach (var file in files)
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{
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if (IsValidImageFile(file))
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{
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imagesInformation.Add(new ImageInfo
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{
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Data = await GetDataURL(file),
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Name = file.Name
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});
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}
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}
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await WebViewEditor.InsertImagesAsync(imagesInformation);
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}
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}
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// State should be reset even when an exception occurs, otherwise the UI will be stuck in a dragging state.
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finally
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{
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ViewModel.IsDraggingOverComposerGrid = false;
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ViewModel.IsDraggingOverImagesDropZone = false;
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}
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static async Task<string> GetDataURL(StorageFile file)
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{
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return $"data:image/{file.FileType.Replace(".", "")};base64,{Convert.ToBase64String(await file.ToByteArrayAsync())}";
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}
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}
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private async Task AttachFiles(IEnumerable<StorageFile> files)
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{
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if (files?.Any() != true) return;
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// Convert files to MailAttachmentViewModel.
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foreach (var file in files)
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{
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var sharedFile = await file.ToSharedFileAsync();
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ViewModel.IncludedAttachments.Add(new MailAttachmentViewModel(sharedFile));
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}
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}
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private static bool IsValidImageFile(StorageFile file)
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{
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string[] allowedTypes = [".jpg", ".jpeg", ".png"];
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var fileType = file.FileType.ToLower();
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return allowedTypes.Contains(fileType);
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}
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private void DisposeDisposables()
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{
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if (_disposables.Count != 0)
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_disposables.ForEach(a => a.Dispose());
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}
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protected override void OnNavigatedTo(NavigationEventArgs e)
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{
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base.OnNavigatedTo(e);
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FocusManager.GotFocus += GlobalFocusManagerGotFocus;
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// TODO: disabled animation for now, since it's still not working properly.
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//var anim = ConnectedAnimationService.GetForCurrentView().GetAnimation("WebViewConnectedAnimation");
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//anim?.TryStart(GetWebView());
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_disposables.Add(GetSuggestionBoxDisposable(ToBox));
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_disposables.Add(GetSuggestionBoxDisposable(CCBox));
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_disposables.Add(GetSuggestionBoxDisposable(BccBox));
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_disposables.Add(WebViewEditor);
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ViewModel.GetHTMLBodyFunction = WebViewEditor.GetHtmlBodyAsync;
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}
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async void IRecipient<CreateNewComposeMailRequested>.Receive(CreateNewComposeMailRequested message)
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{
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await WebViewEditor.RenderHtmlAsync(message.RenderModel.RenderHtml);
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}
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private void ShowCCBCCClicked(object sender, RoutedEventArgs e)
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{
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ViewModel.IsCCBCCVisible = true;
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}
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private async void TokenItemAdding(TokenizingTextBox sender, TokenItemAddingEventArgs args)
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{
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// Check is valid email.
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if (!EmailValidator.Validate(args.TokenText))
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{
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args.Cancel = true;
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ViewModel.NotifyInvalidEmail(args.TokenText);
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return;
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}
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var deferral = args.GetDeferral();
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var addedItem = (sender.Tag?.ToString()) switch
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{
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"ToBox" => await ViewModel.GetAddressInformationAsync(args.TokenText, ViewModel.ToItems),
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"CCBox" => await ViewModel.GetAddressInformationAsync(args.TokenText, ViewModel.CCItems),
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"BCCBox" => await ViewModel.GetAddressInformationAsync(args.TokenText, ViewModel.BCCItems),
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_ => null
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};
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if (addedItem == null)
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{
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args.Cancel = true;
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ViewModel.NotifyAddressExists();
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}
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else
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{
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args.Item = addedItem;
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}
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deferral.Complete();
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}
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void IRecipient<ApplicationThemeChanged>.Receive(ApplicationThemeChanged message)
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{
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WebViewEditor.IsEditorDarkMode = message.IsUnderlyingThemeDark;
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}
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private void ImportanceClicked(object sender, RoutedEventArgs e)
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{
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ImportanceFlyout.Hide();
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ImportanceSplitButton.IsChecked = true;
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if (sender is Button senderButton)
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{
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ViewModel.SelectedMessageImportance = (MessageImportance)senderButton.Tag;
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((ImportanceSplitButton.Content as Viewbox).Child as SymbolIcon).Symbol = (senderButton.Content as SymbolIcon).Symbol;
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}
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}
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private async void AddressBoxLostFocus(object sender, RoutedEventArgs e)
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{
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// Automatically add current text as item if it is valid mail address.
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if (sender is TokenizingTextBox tokenizingTextBox)
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{
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if (tokenizingTextBox.Items.LastOrDefault() is not ITokenStringContainer info) return;
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var currentText = info.Text;
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if (!string.IsNullOrEmpty(currentText) && EmailValidator.Validate(currentText))
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{
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var addressCollection = tokenizingTextBox.Tag?.ToString() switch
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{
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"ToBox" => ViewModel.ToItems,
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"CCBox" => ViewModel.CCItems,
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"BCCBox" => ViewModel.BCCItems,
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_ => null
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};
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AccountContact addedItem = null;
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if (addressCollection != null)
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addedItem = await ViewModel.GetAddressInformationAsync(currentText, addressCollection);
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// Item has already been added.
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if (addedItem == null)
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{
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tokenizingTextBox.Text = string.Empty;
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}
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else if (addressCollection != null)
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{
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addressCollection.Add(addedItem);
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tokenizingTextBox.Text = string.Empty;
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}
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}
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}
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}
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// Hack: Tokenizing text box losing focus somehow on page Loaded and shifting focus to this element.
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// For once we'll switch back to it once CCBBCGotFocus element got focus.
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private bool isInitialFocusHandled = false;
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private void ComposerLoaded(object sender, RoutedEventArgs e)
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{
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ToBox.Focus(FocusState.Programmatic);
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}
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private void CCBBCGotFocus(object sender, RoutedEventArgs e)
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{
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if (!isInitialFocusHandled)
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{
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isInitialFocusHandled = true;
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ToBox.Focus(FocusState.Programmatic);
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}
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}
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protected override async void OnNavigatingFrom(NavigatingCancelEventArgs e)
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{
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base.OnNavigatingFrom(e);
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FocusManager.GotFocus -= GlobalFocusManagerGotFocus;
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_navManagerPreview.CloseRequested -= OnClose;
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await ViewModel.UpdateMimeChangesAsync();
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DisposeDisposables();
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}
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private async void OnClose(object sender, SystemNavigationCloseRequestedPreviewEventArgs e)
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{
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var deferral = e.GetDeferral();
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try
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{
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await ViewModel.UpdateMimeChangesAsync();
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}
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finally { deferral.Complete(); }
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}
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}
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