Max Katz
4 years ago
committed by
GitHub
GitHub
73 changed files with 3422 additions and 601 deletions
@ -1,29 +1,57 @@ |
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<UserControl xmlns="https://github.com/avaloniaui" |
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" |
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x:Class="ControlCatalog.Pages.DialogsPage"> |
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<StackPanel Orientation="Vertical" Spacing="4" Margin="4"> |
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<CheckBox Name="UseFilters">Use filters</CheckBox> |
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<Button Name="OpenFile">_Open File</Button> |
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<Button Name="OpenMultipleFiles">Open _Multiple File</Button> |
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<Button Name="SaveFile">_Save File</Button> |
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<Button Name="SelectFolder">Select Fo_lder</Button> |
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<Button Name="OpenBoth">Select _Both</Button> |
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<UserControl x:Class="ControlCatalog.Pages.DialogsPage" |
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xmlns="https://github.com/avaloniaui" |
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> |
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<StackPanel Margin="4" |
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Orientation="Vertical" |
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Spacing="4"> |
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|
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<TextBlock x:Name="PickerLastResultsVisible" |
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Classes="h2" |
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IsVisible="False" |
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Text="Last picker results:" /> |
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<ItemsPresenter x:Name="PickerLastResults" /> |
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<TextBlock Text="Windows:" /> |
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|
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<TextBlock Margin="0, 8, 0, 0" |
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Classes="h1" |
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Text="Window dialogs" /> |
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<Button Name="DecoratedWindow">Decorated _window</Button> |
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<Button Name="DecoratedWindowDialog">Decorated w_indow (dialog)</Button> |
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<Button Name="Dialog" ToolTip.Tip="Shows a dialog">_Dialog</Button> |
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<Button Name="DialogNoTaskbar">Dialog (_No taskbar icon)</Button> |
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<Button Name="OwnedWindow">Own_ed window</Button> |
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<Button Name="OwnedWindowNoTaskbar">Owned window (No tas_kbar icon)</Button> |
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<Expander Header="Window dialogs"> |
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<StackPanel Spacing="4"> |
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<Button Name="DecoratedWindow">Decorated _window</Button> |
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<Button Name="DecoratedWindowDialog">Decorated w_indow (dialog)</Button> |
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<Button Name="Dialog" ToolTip.Tip="Shows a dialog">_Dialog</Button> |
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<Button Name="DialogNoTaskbar">Dialog (_No taskbar icon)</Button> |
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<Button Name="OwnedWindow">Own_ed window</Button> |
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<Button Name="OwnedWindowNoTaskbar">Owned window (No tas_kbar icon)</Button> |
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</StackPanel> |
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</Expander> |
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|
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<TextBlock Margin="0,20,0,0" Text="Pickers:" /> |
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|
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<CheckBox Name="UseFilters">Use filters</CheckBox> |
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<Expander Header="FilePicker API"> |
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<StackPanel Spacing="4"> |
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<CheckBox Name="ForceManaged">Force managed dialog</CheckBox> |
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<CheckBox Name="OpenMultiple">Open multiple</CheckBox> |
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<Button Name="OpenFolderPicker">Select Fo_lder</Button> |
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<Button Name="OpenFilePicker">_Open File</Button> |
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<Button Name="SaveFilePicker">_Save File</Button> |
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<Button Name="OpenFileFromBookmark">Open File Bookmark</Button> |
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<Button Name="OpenFolderFromBookmark">Open Folder Bookmark</Button> |
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</StackPanel> |
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</Expander> |
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<Expander Header="Legacy OpenFileDialog"> |
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<StackPanel Spacing="4"> |
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<Button Name="OpenFile">_Open File</Button> |
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<Button Name="OpenMultipleFiles">Open _Multiple File</Button> |
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<Button Name="SaveFile">_Save File</Button> |
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<Button Name="SelectFolder">Select Fo_lder</Button> |
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<Button Name="OpenBoth">Select _Both</Button> |
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</StackPanel> |
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</Expander> |
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|
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<TextBlock x:Name="PickerLastResultsVisible" |
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Classes="h2" |
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IsVisible="False" |
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Text="Last picker results:" /> |
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<ItemsPresenter x:Name="PickerLastResults" /> |
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|
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<TextBox Name="BookmarkContainer" Watermark="Bookmark" /> |
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<TextBox Name="OpenedFileContent" |
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MaxLines="10" |
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Watermark="Picked file content" /> |
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|
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</StackPanel> |
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</UserControl> |
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|
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@ -0,0 +1,244 @@ |
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#nullable enable |
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|
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using System; |
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using System.Diagnostics.CodeAnalysis; |
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using System.IO; |
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using System.Linq; |
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using System.Threading.Tasks; |
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using Android.Content; |
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using Android.Provider; |
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using Avalonia.Logging; |
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using Avalonia.Platform.Storage; |
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using Java.Lang; |
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using AndroidUri = Android.Net.Uri; |
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using Exception = System.Exception; |
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using JavaFile = Java.IO.File; |
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|
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namespace Avalonia.Android.Platform.Storage; |
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|
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internal abstract class AndroidStorageItem : IStorageBookmarkItem |
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{ |
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private Context? _context; |
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protected AndroidStorageItem(Context context, AndroidUri uri) |
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{ |
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_context = context; |
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Uri = uri; |
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} |
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internal AndroidUri Uri { get; } |
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protected Context Context => _context ?? throw new ObjectDisposedException(nameof(AndroidStorageItem)); |
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|
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public string Name => GetColumnValue(Context, Uri, MediaStore.IMediaColumns.DisplayName) |
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?? Uri.PathSegments?.LastOrDefault() ?? string.Empty; |
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public bool CanBookmark => true; |
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|
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public Task<string?> SaveBookmark() |
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{ |
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Context.ContentResolver?.TakePersistableUriPermission(Uri, ActivityFlags.GrantWriteUriPermission | ActivityFlags.GrantReadUriPermission); |
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return Task.FromResult(Uri.ToString()); |
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} |
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|
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public Task ReleaseBookmark() |
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{ |
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Context.ContentResolver?.ReleasePersistableUriPermission(Uri, ActivityFlags.GrantWriteUriPermission | ActivityFlags.GrantReadUriPermission); |
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return Task.CompletedTask; |
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} |
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|
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public bool TryGetUri([NotNullWhen(true)] out Uri? uri) |
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{ |
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uri = new Uri(Uri.ToString()!); |
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return true; |
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} |
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|
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public abstract Task<StorageItemProperties> GetBasicPropertiesAsync(); |
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|
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protected string? GetColumnValue(Context context, AndroidUri contentUri, string column, string? selection = null, string[]? selectionArgs = null) |
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{ |
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try |
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{ |
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var projection = new[] { column }; |
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using var cursor = context.ContentResolver!.Query(contentUri, projection, selection, selectionArgs, null); |
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if (cursor?.MoveToFirst() == true) |
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{ |
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var columnIndex = cursor.GetColumnIndex(column); |
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if (columnIndex != -1) |
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return cursor.GetString(columnIndex); |
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} |
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} |
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catch (Exception ex) |
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{ |
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Logger.TryGet(LogEventLevel.Verbose, LogArea.AndroidPlatform)?.Log(this, "File metadata reader failed: '{Exception}'", ex); |
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} |
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return null; |
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} |
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public Task<IStorageFolder?> GetParentAsync() |
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{ |
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using var javaFile = new JavaFile(Uri.Path!); |
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// Java file represents files AND directories. Don't be confused.
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if (javaFile.ParentFile is {} parentFile |
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&& AndroidUri.FromFile(parentFile) is {} androidUri) |
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{ |
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return Task.FromResult<IStorageFolder?>(new AndroidStorageFolder(Context, androidUri)); |
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} |
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return Task.FromResult<IStorageFolder?>(null); |
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} |
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|
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public void Dispose() |
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{ |
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_context = null; |
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} |
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} |
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internal sealed class AndroidStorageFolder : AndroidStorageItem, IStorageBookmarkFolder |
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{ |
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public AndroidStorageFolder(Context context, AndroidUri uri) : base(context, uri) |
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{ |
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} |
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public override Task<StorageItemProperties> GetBasicPropertiesAsync() |
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{ |
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return Task.FromResult(new StorageItemProperties()); |
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} |
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} |
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internal sealed class AndroidStorageFile : AndroidStorageItem, IStorageBookmarkFile |
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{ |
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public AndroidStorageFile(Context context, AndroidUri uri) : base(context, uri) |
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{ |
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} |
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public bool CanOpenRead => true; |
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public bool CanOpenWrite => true; |
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public Task<Stream> OpenRead() => Task.FromResult(OpenContentStream(Context, Uri, false) |
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?? throw new InvalidOperationException("Failed to open content stream")); |
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public Task<Stream> OpenWrite() => Task.FromResult(OpenContentStream(Context, Uri, true) |
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?? throw new InvalidOperationException("Failed to open content stream")); |
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private Stream? OpenContentStream(Context context, AndroidUri uri, bool isOutput) |
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{ |
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var isVirtual = IsVirtualFile(context, uri); |
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if (isVirtual) |
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{ |
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Logger.TryGet(LogEventLevel.Verbose, LogArea.AndroidPlatform)?.Log(this, "Content URI was virtual: '{Uri}'", uri); |
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return GetVirtualFileStream(context, uri, isOutput); |
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} |
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return isOutput |
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? context.ContentResolver?.OpenOutputStream(uri) |
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: context.ContentResolver?.OpenInputStream(uri); |
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} |
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|
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private bool IsVirtualFile(Context context, AndroidUri uri) |
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{ |
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if (!DocumentsContract.IsDocumentUri(context, uri)) |
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return false; |
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var value = GetColumnValue(context, uri, DocumentsContract.Document.ColumnFlags); |
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if (!string.IsNullOrEmpty(value) && int.TryParse(value, out var flagsInt)) |
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{ |
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var flags = (DocumentContractFlags)flagsInt; |
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return flags.HasFlag(DocumentContractFlags.VirtualDocument); |
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} |
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return false; |
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} |
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private Stream? GetVirtualFileStream(Context context, AndroidUri uri, bool isOutput) |
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{ |
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var mimeTypes = context.ContentResolver?.GetStreamTypes(uri, FilePickerFileTypes.All.MimeTypes![0]); |
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if (mimeTypes?.Length >= 1) |
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{ |
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var mimeType = mimeTypes[0]; |
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var asset = context.ContentResolver! |
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.OpenTypedAssetFileDescriptor(uri, mimeType, null); |
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var stream = isOutput |
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? asset?.CreateOutputStream() |
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: asset?.CreateInputStream(); |
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return stream; |
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} |
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return null; |
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} |
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public override Task<StorageItemProperties> GetBasicPropertiesAsync() |
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{ |
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ulong? size = null; |
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DateTimeOffset? itemDate = null; |
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DateTimeOffset? dateModified = null; |
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try |
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{ |
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var projection = new[] |
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{ |
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MediaStore.IMediaColumns.Size, MediaStore.IMediaColumns.DateAdded, |
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MediaStore.IMediaColumns.DateModified |
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}; |
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using var cursor = Context.ContentResolver!.Query(Uri, projection, null, null, null); |
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if (cursor?.MoveToFirst() == true) |
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{ |
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try |
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{ |
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var columnIndex = cursor.GetColumnIndex(MediaStore.IMediaColumns.Size); |
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if (columnIndex != -1) |
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{ |
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size = (ulong)cursor.GetLong(columnIndex); |
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} |
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} |
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catch (Exception ex) |
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{ |
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Logger.TryGet(LogEventLevel.Verbose, LogArea.AndroidPlatform)? |
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.Log(this, "File Size metadata reader failed: '{Exception}'", ex); |
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} |
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try |
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{ |
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var columnIndex = cursor.GetColumnIndex(MediaStore.IMediaColumns.DateAdded); |
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if (columnIndex != -1) |
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{ |
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var longValue = cursor.GetLong(columnIndex); |
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itemDate = longValue > 0 ? DateTimeOffset.FromUnixTimeMilliseconds(longValue) : null; |
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} |
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} |
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catch (Exception ex) |
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{ |
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Logger.TryGet(LogEventLevel.Verbose, LogArea.AndroidPlatform)? |
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.Log(this, "File DateAdded metadata reader failed: '{Exception}'", ex); |
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} |
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|
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try |
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{ |
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var columnIndex = cursor.GetColumnIndex(MediaStore.IMediaColumns.DateModified); |
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if (columnIndex != -1) |
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{ |
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var longValue = cursor.GetLong(columnIndex); |
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dateModified = longValue > 0 ? DateTimeOffset.FromUnixTimeMilliseconds(longValue) : null; |
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} |
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} |
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catch (Exception ex) |
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{ |
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Logger.TryGet(LogEventLevel.Verbose, LogArea.AndroidPlatform)? |
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.Log(this, "File DateAdded metadata reader failed: '{Exception}'", ex); |
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} |
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} |
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} |
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catch (UnsupportedOperationException) |
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{ |
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// It's not possible to get parameters of some files/folders.
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} |
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return Task.FromResult(new StorageItemProperties(size, itemDate, dateModified)); |
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} |
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} |
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@ -0,0 +1,177 @@ |
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#nullable enable |
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|
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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.Threading.Tasks; |
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using Android.App; |
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using Android.Content; |
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using Android.Provider; |
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using Avalonia.Platform.Storage; |
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using AndroidUri = Android.Net.Uri; |
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|
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namespace Avalonia.Android.Platform.Storage; |
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|
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internal class AndroidStorageProvider : IStorageProvider |
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{ |
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private readonly AvaloniaActivity _activity; |
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private int _lastRequestCode = 20000; |
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|
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public AndroidStorageProvider(AvaloniaActivity activity) |
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{ |
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_activity = activity; |
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} |
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public bool CanOpen => OperatingSystem.IsAndroidVersionAtLeast(19); |
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public bool CanSave => OperatingSystem.IsAndroidVersionAtLeast(19); |
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public bool CanPickFolder => OperatingSystem.IsAndroidVersionAtLeast(21); |
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|
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public Task<IStorageBookmarkFolder?> OpenFolderBookmarkAsync(string bookmark) |
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{ |
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var uri = AndroidUri.Parse(bookmark) ?? throw new ArgumentException("Couldn't parse Bookmark value", nameof(bookmark)); |
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return Task.FromResult<IStorageBookmarkFolder?>(new AndroidStorageFolder(_activity, uri)); |
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} |
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|
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public Task<IStorageBookmarkFile?> OpenFileBookmarkAsync(string bookmark) |
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{ |
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var uri = AndroidUri.Parse(bookmark) ?? throw new ArgumentException("Couldn't parse Bookmark value", nameof(bookmark)); |
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return Task.FromResult<IStorageBookmarkFile?>(new AndroidStorageFile(_activity, uri)); |
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} |
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public async Task<IReadOnlyList<IStorageFile>> OpenFilePickerAsync(FilePickerOpenOptions options) |
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{ |
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var mimeTypes = options.FileTypeFilter?.Where(t => t != FilePickerFileTypes.All) |
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.SelectMany(f => f.MimeTypes ?? Array.Empty<string>()).Distinct().ToArray() ?? Array.Empty<string>(); |
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|
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var intent = new Intent(Intent.ActionOpenDocument) |
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.AddCategory(Intent.CategoryOpenable) |
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.PutExtra(Intent.ExtraAllowMultiple, options.AllowMultiple) |
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.SetType(FilePickerFileTypes.All.MimeTypes![0]); |
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if (mimeTypes.Length > 0) |
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{ |
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intent = intent.PutExtra(Intent.ExtraMimeTypes, mimeTypes); |
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} |
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|
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if (TryGetInitialUri(options.SuggestedStartLocation) is { } initialUri) |
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{ |
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intent = intent.PutExtra(DocumentsContract.ExtraInitialUri, initialUri); |
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} |
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|
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var pickerIntent = Intent.CreateChooser(intent, options.Title ?? "Select file"); |
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var uris = await StartActivity(pickerIntent, false); |
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return uris.Select(u => new AndroidStorageFile(_activity, u)).ToArray(); |
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} |
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|
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public async Task<IStorageFile?> SaveFilePickerAsync(FilePickerSaveOptions options) |
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{ |
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var mimeTypes = options.FileTypeChoices?.Where(t => t != FilePickerFileTypes.All) |
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.SelectMany(f => f.MimeTypes ?? Array.Empty<string>()).Distinct().ToArray() ?? Array.Empty<string>(); |
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|
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var intent = new Intent(Intent.ActionCreateDocument) |
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.AddCategory(Intent.CategoryOpenable) |
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.SetType(FilePickerFileTypes.All.MimeTypes![0]); |
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if (mimeTypes.Length > 0) |
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{ |
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intent = intent.PutExtra(Intent.ExtraMimeTypes, mimeTypes); |
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} |
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|
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if (options.SuggestedFileName is { } fileName) |
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{ |
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if (options.DefaultExtension is { } ext) |
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{ |
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fileName += ext.StartsWith('.') ? ext : "." + ext; |
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} |
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intent = intent.PutExtra(Intent.ExtraTitle, fileName); |
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} |
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|
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if (TryGetInitialUri(options.SuggestedStartLocation) is { } initialUri) |
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{ |
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intent = intent.PutExtra(DocumentsContract.ExtraInitialUri, initialUri); |
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} |
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|
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var pickerIntent = Intent.CreateChooser(intent, options.Title ?? "Save file"); |
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|
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var uris = await StartActivity(pickerIntent, true); |
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return uris.Select(u => new AndroidStorageFile(_activity, u)).FirstOrDefault(); |
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} |
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|
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public async Task<IReadOnlyList<IStorageFolder>> OpenFolderPickerAsync(FolderPickerOpenOptions options) |
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{ |
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var intent = new Intent(Intent.ActionOpenDocumentTree) |
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.PutExtra(Intent.ExtraAllowMultiple, options.AllowMultiple); |
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if (TryGetInitialUri(options.SuggestedStartLocation) is { } initialUri) |
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{ |
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intent = intent.PutExtra(DocumentsContract.ExtraInitialUri, initialUri); |
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} |
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|
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var pickerIntent = Intent.CreateChooser(intent, options.Title ?? "Select folder"); |
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|
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var uris = await StartActivity(pickerIntent, false); |
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return uris.Select(u => new AndroidStorageFolder(_activity, u)).ToArray(); |
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} |
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|
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private async Task<List<AndroidUri>> StartActivity(Intent? pickerIntent, bool singleResult) |
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{ |
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var resultList = new List<AndroidUri>(1); |
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var tcs = new TaskCompletionSource<Intent?>(); |
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var currentRequestCode = _lastRequestCode++; |
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|
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_activity.ActivityResult += OnActivityResult; |
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_activity.StartActivityForResult(pickerIntent, currentRequestCode); |
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|
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var result = await tcs.Task; |
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|
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if (result != null) |
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{ |
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// ClipData first to avoid issue with multiple files selection.
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if (!singleResult && result.ClipData is { } clipData) |
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{ |
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for (var i = 0; i < clipData.ItemCount; i++) |
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{ |
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var uri = clipData.GetItemAt(i)?.Uri; |
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if (uri != null) |
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{ |
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resultList.Add(uri); |
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} |
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} |
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} |
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else if (result.Data is { } uri) |
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{ |
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resultList.Add(uri); |
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} |
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} |
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|
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if (result?.HasExtra("error") == true) |
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{ |
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throw new Exception(result.GetStringExtra("error")); |
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} |
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|
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return resultList; |
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|
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void OnActivityResult(int requestCode, Result resultCode, Intent data) |
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{ |
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if (currentRequestCode != requestCode) |
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{ |
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return; |
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} |
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|
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_activity.ActivityResult -= OnActivityResult; |
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|
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_ = tcs.TrySetResult(resultCode == Result.Ok ? data : null); |
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} |
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} |
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|
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private static AndroidUri? TryGetInitialUri(IStorageFolder? folder) |
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{ |
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if (OperatingSystem.IsAndroidVersionAtLeast(26) |
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&& (folder as AndroidStorageItem)?.Uri is { } uri) |
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{ |
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return uri; |
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} |
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|
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return null; |
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} |
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} |
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@ -1,20 +0,0 @@ |
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using System; |
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using System.Threading.Tasks; |
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using Avalonia.Controls; |
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using Avalonia.Controls.Platform; |
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|
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namespace Avalonia.Android |
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{ |
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internal class SystemDialogImpl : ISystemDialogImpl |
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{ |
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public Task<string[]> ShowFileDialogAsync(FileDialog dialog, Window parent) |
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{ |
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throw new NotImplementedException(); |
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} |
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|
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public Task<string> ShowFolderDialogAsync(OpenFolderDialog dialog, Window parent) |
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{ |
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throw new NotImplementedException(); |
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} |
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} |
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} |
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@ -0,0 +1,107 @@ |
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using System; |
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using System.Diagnostics.CodeAnalysis; |
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using System.IO; |
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using System.Security; |
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using System.Threading.Tasks; |
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using Avalonia.Metadata; |
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|
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namespace Avalonia.Platform.Storage.FileIO; |
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|
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[Unstable] |
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public class BclStorageFile : IStorageBookmarkFile |
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{ |
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private readonly FileInfo _fileInfo; |
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|
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public BclStorageFile(FileInfo fileInfo) |
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{ |
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_fileInfo = fileInfo ?? throw new ArgumentNullException(nameof(fileInfo)); |
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} |
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|
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public bool CanOpenRead => true; |
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|
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public bool CanOpenWrite => true; |
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|
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public string Name => _fileInfo.Name; |
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|
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public virtual bool CanBookmark => true; |
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|
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public Task<StorageItemProperties> GetBasicPropertiesAsync() |
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{ |
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var props = new StorageItemProperties(); |
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if (_fileInfo.Exists) |
|||
{ |
|||
props = new StorageItemProperties( |
|||
(ulong)_fileInfo.Length, |
|||
_fileInfo.CreationTimeUtc, |
|||
_fileInfo.LastAccessTimeUtc); |
|||
} |
|||
return Task.FromResult(props); |
|||
} |
|||
|
|||
public Task<IStorageFolder?> GetParentAsync() |
|||
{ |
|||
if (_fileInfo.Directory is { } directory) |
|||
{ |
|||
return Task.FromResult<IStorageFolder?>(new BclStorageFolder(directory)); |
|||
} |
|||
return Task.FromResult<IStorageFolder?>(null); |
|||
} |
|||
|
|||
public Task<Stream> OpenRead() |
|||
{ |
|||
return Task.FromResult<Stream>(_fileInfo.OpenRead()); |
|||
} |
|||
|
|||
public Task<Stream> OpenWrite() |
|||
{ |
|||
return Task.FromResult<Stream>(_fileInfo.OpenWrite()); |
|||
} |
|||
|
|||
public virtual Task<string?> SaveBookmark() |
|||
{ |
|||
return Task.FromResult<string?>(_fileInfo.FullName); |
|||
} |
|||
|
|||
public Task ReleaseBookmark() |
|||
{ |
|||
// No-op
|
|||
return Task.CompletedTask; |
|||
} |
|||
|
|||
public bool TryGetUri([NotNullWhen(true)] out Uri? uri) |
|||
{ |
|||
try |
|||
{ |
|||
if (_fileInfo.Directory is not null) |
|||
{ |
|||
uri = Path.IsPathRooted(_fileInfo.FullName) ? |
|||
new Uri(new Uri("file://"), _fileInfo.FullName) : |
|||
new Uri(_fileInfo.FullName, UriKind.Relative); |
|||
return true; |
|||
} |
|||
|
|||
uri = null; |
|||
return false; |
|||
} |
|||
catch (SecurityException) |
|||
{ |
|||
uri = null; |
|||
return false; |
|||
} |
|||
} |
|||
|
|||
protected virtual void Dispose(bool disposing) |
|||
{ |
|||
} |
|||
|
|||
~BclStorageFile() |
|||
{ |
|||
Dispose(disposing: false); |
|||
} |
|||
|
|||
public void Dispose() |
|||
{ |
|||
Dispose(disposing: true); |
|||
GC.SuppressFinalize(this); |
|||
} |
|||
} |
|||
@ -0,0 +1,88 @@ |
|||
using System; |
|||
using System.Diagnostics.CodeAnalysis; |
|||
using System.IO; |
|||
using System.Security; |
|||
using System.Threading.Tasks; |
|||
using Avalonia.Metadata; |
|||
|
|||
namespace Avalonia.Platform.Storage.FileIO; |
|||
|
|||
[Unstable] |
|||
public class BclStorageFolder : IStorageBookmarkFolder |
|||
{ |
|||
private readonly DirectoryInfo _directoryInfo; |
|||
|
|||
public BclStorageFolder(DirectoryInfo directoryInfo) |
|||
{ |
|||
_directoryInfo = directoryInfo ?? throw new ArgumentNullException(nameof(directoryInfo)); |
|||
if (!_directoryInfo.Exists) |
|||
{ |
|||
throw new ArgumentException("Directory must exist", nameof(directoryInfo)); |
|||
} |
|||
} |
|||
|
|||
public string Name => _directoryInfo.Name; |
|||
|
|||
public bool CanBookmark => true; |
|||
|
|||
public Task<StorageItemProperties> GetBasicPropertiesAsync() |
|||
{ |
|||
var props = new StorageItemProperties( |
|||
null, |
|||
_directoryInfo.CreationTimeUtc, |
|||
_directoryInfo.LastAccessTimeUtc); |
|||
return Task.FromResult(props); |
|||
} |
|||
|
|||
public Task<IStorageFolder?> GetParentAsync() |
|||
{ |
|||
if (_directoryInfo.Parent is { } directory) |
|||
{ |
|||
return Task.FromResult<IStorageFolder?>(new BclStorageFolder(directory)); |
|||
} |
|||
return Task.FromResult<IStorageFolder?>(null); |
|||
} |
|||
|
|||
public virtual Task<string?> SaveBookmark() |
|||
{ |
|||
return Task.FromResult<string?>(_directoryInfo.FullName); |
|||
} |
|||
|
|||
public Task ReleaseBookmark() |
|||
{ |
|||
// No-op
|
|||
return Task.CompletedTask; |
|||
} |
|||
|
|||
public bool TryGetUri([NotNullWhen(true)] out Uri? uri) |
|||
{ |
|||
try |
|||
{ |
|||
uri = Path.IsPathRooted(_directoryInfo.FullName) ? |
|||
new Uri(new Uri("file://"), _directoryInfo.FullName) : |
|||
new Uri(_directoryInfo.FullName, UriKind.Relative); |
|||
|
|||
return true; |
|||
} |
|||
catch (SecurityException) |
|||
{ |
|||
uri = null; |
|||
return false; |
|||
} |
|||
} |
|||
|
|||
protected virtual void Dispose(bool disposing) |
|||
{ |
|||
} |
|||
|
|||
~BclStorageFolder() |
|||
{ |
|||
Dispose(disposing: false); |
|||
} |
|||
|
|||
public void Dispose() |
|||
{ |
|||
Dispose(disposing: true); |
|||
GC.SuppressFinalize(this); |
|||
} |
|||
} |
|||
@ -0,0 +1,35 @@ |
|||
using System.Collections.Generic; |
|||
using System.IO; |
|||
using System.Threading.Tasks; |
|||
using Avalonia.Metadata; |
|||
|
|||
namespace Avalonia.Platform.Storage.FileIO; |
|||
|
|||
[Unstable] |
|||
public abstract class BclStorageProvider : IStorageProvider |
|||
{ |
|||
public abstract bool CanOpen { get; } |
|||
public abstract Task<IReadOnlyList<IStorageFile>> OpenFilePickerAsync(FilePickerOpenOptions options); |
|||
|
|||
public abstract bool CanSave { get; } |
|||
public abstract Task<IStorageFile?> SaveFilePickerAsync(FilePickerSaveOptions options); |
|||
|
|||
public abstract bool CanPickFolder { get; } |
|||
public abstract Task<IReadOnlyList<IStorageFolder>> OpenFolderPickerAsync(FolderPickerOpenOptions options); |
|||
|
|||
public virtual Task<IStorageBookmarkFile?> OpenFileBookmarkAsync(string bookmark) |
|||
{ |
|||
var file = new FileInfo(bookmark); |
|||
return file.Exists |
|||
? Task.FromResult<IStorageBookmarkFile?>(new BclStorageFile(file)) |
|||
: Task.FromResult<IStorageBookmarkFile?>(null); |
|||
} |
|||
|
|||
public virtual Task<IStorageBookmarkFolder?> OpenFolderBookmarkAsync(string bookmark) |
|||
{ |
|||
var folder = new DirectoryInfo(bookmark); |
|||
return folder.Exists |
|||
? Task.FromResult<IStorageBookmarkFolder?>(new BclStorageFolder(folder)) |
|||
: Task.FromResult<IStorageBookmarkFolder?>(null); |
|||
} |
|||
} |
|||
@ -0,0 +1,40 @@ |
|||
using System; |
|||
using System.IO; |
|||
using System.Linq; |
|||
using Avalonia.Metadata; |
|||
|
|||
namespace Avalonia.Platform.Storage.FileIO; |
|||
|
|||
[Unstable] |
|||
public static class StorageProviderHelpers |
|||
{ |
|||
public static string NameWithExtension(string path, string? defaultExtension, FilePickerFileType? filter) |
|||
{ |
|||
var name = Path.GetFileName(path); |
|||
if (name != null && !Path.HasExtension(name)) |
|||
{ |
|||
if (filter?.Patterns?.Count > 0) |
|||
{ |
|||
if (defaultExtension != null |
|||
&& filter.Patterns.Contains(defaultExtension)) |
|||
{ |
|||
return Path.ChangeExtension(path, defaultExtension.TrimStart('.')); |
|||
} |
|||
|
|||
var ext = filter.Patterns.FirstOrDefault(x => x != "*.*"); |
|||
ext = ext?.Split(new[] { "*." }, StringSplitOptions.RemoveEmptyEntries).LastOrDefault(); |
|||
if (ext != null) |
|||
{ |
|||
return Path.ChangeExtension(path, ext); |
|||
} |
|||
} |
|||
|
|||
if (defaultExtension != null) |
|||
{ |
|||
return Path.ChangeExtension(path, defaultExtension); |
|||
} |
|||
} |
|||
|
|||
return path; |
|||
} |
|||
} |
|||
@ -0,0 +1,44 @@ |
|||
using System.Collections.Generic; |
|||
|
|||
namespace Avalonia.Platform.Storage; |
|||
|
|||
/// <summary>
|
|||
/// Represents a name mapped to the associated file types (extensions).
|
|||
/// </summary>
|
|||
public sealed class FilePickerFileType |
|||
{ |
|||
public FilePickerFileType(string name) |
|||
{ |
|||
Name = name; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// File type name.
|
|||
/// </summary>
|
|||
public string Name { get; } |
|||
|
|||
/// <summary>
|
|||
/// List of extensions in GLOB format. I.e. "*.png" or "*.*".
|
|||
/// </summary>
|
|||
/// <remarks>
|
|||
/// Used on Windows and Linux systems.
|
|||
/// </remarks>
|
|||
public IReadOnlyList<string>? Patterns { get; set; } |
|||
|
|||
/// <summary>
|
|||
/// List of extensions in MIME format.
|
|||
/// </summary>
|
|||
/// <remarks>
|
|||
/// Used on Android, Browser and Linux systems.
|
|||
/// </remarks>
|
|||
public IReadOnlyList<string>? MimeTypes { get; set; } |
|||
|
|||
/// <summary>
|
|||
/// List of extensions in Apple uniform format.
|
|||
/// </summary>
|
|||
/// <remarks>
|
|||
/// Used only on Apple devices.
|
|||
/// See https://developer.apple.com/documentation/uniformtypeidentifiers/system_declared_uniform_type_identifiers.
|
|||
/// </remarks>
|
|||
public IReadOnlyList<string>? AppleUniformTypeIdentifiers { get; set; } |
|||
} |
|||
@ -0,0 +1,48 @@ |
|||
namespace Avalonia.Platform.Storage; |
|||
|
|||
/// <summary>
|
|||
/// Dictionary of well known file types.
|
|||
/// </summary>
|
|||
public static class FilePickerFileTypes |
|||
{ |
|||
public static FilePickerFileType All { get; } = new("All") |
|||
{ |
|||
Patterns = new[] { "*.*" }, |
|||
MimeTypes = new[] { "*/*" } |
|||
}; |
|||
|
|||
public static FilePickerFileType TextPlain { get; } = new("Plain Text") |
|||
{ |
|||
Patterns = new[] { "*.txt" }, |
|||
AppleUniformTypeIdentifiers = new[] { "public.plain-text" }, |
|||
MimeTypes = new[] { "text/plain" } |
|||
}; |
|||
|
|||
public static FilePickerFileType ImageAll { get; } = new("All Images") |
|||
{ |
|||
Patterns = new[] { "*.png", "*.jpg", "*.jpeg", "*.gif", "*.bmp" }, |
|||
AppleUniformTypeIdentifiers = new[] { "public.image" }, |
|||
MimeTypes = new[] { "image/*" } |
|||
}; |
|||
|
|||
public static FilePickerFileType ImageJpg { get; } = new("JPEG image") |
|||
{ |
|||
Patterns = new[] { "*.jpg", "*.jpeg" }, |
|||
AppleUniformTypeIdentifiers = new[] { "public.jpeg" }, |
|||
MimeTypes = new[] { "image/jpeg" } |
|||
}; |
|||
|
|||
public static FilePickerFileType ImagePng { get; } = new("PNG image") |
|||
{ |
|||
Patterns = new[] { "*.png" }, |
|||
AppleUniformTypeIdentifiers = new[] { "public.png" }, |
|||
MimeTypes = new[] { "image/png" } |
|||
}; |
|||
|
|||
public static FilePickerFileType Pdf { get; } = new("PDF document") |
|||
{ |
|||
Patterns = new[] { "*.pdf" }, |
|||
AppleUniformTypeIdentifiers = new[] { "com.adobe.pdf" }, |
|||
MimeTypes = new[] { "application/pdf" } |
|||
}; |
|||
} |
|||
@ -0,0 +1,19 @@ |
|||
using System.Collections.Generic; |
|||
|
|||
namespace Avalonia.Platform.Storage; |
|||
|
|||
/// <summary>
|
|||
/// Options class for <see cref="IStorageProvider.OpenFilePickerAsync"/> method.
|
|||
/// </summary>
|
|||
public class FilePickerOpenOptions : PickerOptions |
|||
{ |
|||
/// <summary>
|
|||
/// Gets or sets an option indicating whether open picker allows users to select multiple files.
|
|||
/// </summary>
|
|||
public bool AllowMultiple { get; set; } |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the collection of file types that the file open picker displays.
|
|||
/// </summary>
|
|||
public IReadOnlyList<FilePickerFileType>? FileTypeFilter { get; set; } |
|||
} |
|||
@ -0,0 +1,29 @@ |
|||
using System.Collections.Generic; |
|||
|
|||
namespace Avalonia.Platform.Storage; |
|||
|
|||
/// <summary>
|
|||
/// Options class for <see cref="IStorageProvider.SaveFilePickerAsync"/> method.
|
|||
/// </summary>
|
|||
public class FilePickerSaveOptions : PickerOptions |
|||
{ |
|||
/// <summary>
|
|||
/// Gets or sets the file name that the file save picker suggests to the user.
|
|||
/// </summary>
|
|||
public string? SuggestedFileName { get; set; } |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the default extension to be used to save the file.
|
|||
/// </summary>
|
|||
public string? DefaultExtension { get; set; } |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the collection of valid file types that the user can choose to assign to a file.
|
|||
/// </summary>
|
|||
public IReadOnlyList<FilePickerFileType>? FileTypeChoices { get; set; } |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets a value indicating whether file open picker displays a warning if the user specifies the name of a file that already exists.
|
|||
/// </summary>
|
|||
public bool? ShowOverwritePrompt { get; set; } |
|||
} |
|||
@ -0,0 +1,12 @@ |
|||
namespace Avalonia.Platform.Storage; |
|||
|
|||
/// <summary>
|
|||
/// Options class for <see cref="IStorageProvider.OpenFolderPickerAsync"/> method.
|
|||
/// </summary>
|
|||
public class FolderPickerOpenOptions : PickerOptions |
|||
{ |
|||
/// <summary>
|
|||
/// Gets or sets an option indicating whether open picker allows users to select multiple folders.
|
|||
/// </summary>
|
|||
public bool AllowMultiple { get; set; } |
|||
} |
|||
@ -0,0 +1,20 @@ |
|||
using System.Threading.Tasks; |
|||
using Avalonia.Metadata; |
|||
|
|||
namespace Avalonia.Platform.Storage; |
|||
|
|||
[NotClientImplementable] |
|||
public interface IStorageBookmarkItem : IStorageItem |
|||
{ |
|||
Task ReleaseBookmark(); |
|||
} |
|||
|
|||
[NotClientImplementable] |
|||
public interface IStorageBookmarkFile : IStorageFile, IStorageBookmarkItem |
|||
{ |
|||
} |
|||
|
|||
[NotClientImplementable] |
|||
public interface IStorageBookmarkFolder : IStorageFolder, IStorageBookmarkItem |
|||
{ |
|||
} |
|||
@ -0,0 +1,32 @@ |
|||
using System.IO; |
|||
using System.Threading.Tasks; |
|||
using Avalonia.Metadata; |
|||
|
|||
namespace Avalonia.Platform.Storage; |
|||
|
|||
/// <summary>
|
|||
/// Represents a file. Provides information about the file and its contents, and ways to manipulate them.
|
|||
/// </summary>
|
|||
[NotClientImplementable] |
|||
public interface IStorageFile : IStorageItem |
|||
{ |
|||
/// <summary>
|
|||
/// Returns true, if file is readable.
|
|||
/// </summary>
|
|||
bool CanOpenRead { get; } |
|||
|
|||
/// <summary>
|
|||
/// Opens a stream for read access.
|
|||
/// </summary>
|
|||
Task<Stream> OpenRead(); |
|||
|
|||
/// <summary>
|
|||
/// Returns true, if file is writeable.
|
|||
/// </summary>
|
|||
bool CanOpenWrite { get; } |
|||
|
|||
/// <summary>
|
|||
/// Opens stream for writing to the file.
|
|||
/// </summary>
|
|||
Task<Stream> OpenWrite(); |
|||
} |
|||
@ -0,0 +1,11 @@ |
|||
using Avalonia.Metadata; |
|||
|
|||
namespace Avalonia.Platform.Storage; |
|||
|
|||
/// <summary>
|
|||
/// Manipulates folders and their contents, and provides information about them.
|
|||
/// </summary>
|
|||
[NotClientImplementable] |
|||
public interface IStorageFolder : IStorageItem |
|||
{ |
|||
} |
|||
@ -0,0 +1,53 @@ |
|||
using System; |
|||
using System.Diagnostics.CodeAnalysis; |
|||
using System.Threading.Tasks; |
|||
using Avalonia.Metadata; |
|||
|
|||
namespace Avalonia.Platform.Storage; |
|||
|
|||
/// <summary>
|
|||
/// Manipulates storage items (files and folders) and their contents, and provides information about them
|
|||
/// </summary>
|
|||
/// <remarks>
|
|||
/// This interface inherits <see cref="IDisposable"/> . It's recommended to dispose <see cref="IStorageItem"/> when it's not used anymore.
|
|||
/// </remarks>
|
|||
[NotClientImplementable] |
|||
public interface IStorageItem : IDisposable |
|||
{ |
|||
/// <summary>
|
|||
/// Gets the name of the item including the file name extension if there is one.
|
|||
/// </summary>
|
|||
string Name { get; } |
|||
|
|||
/// <summary>
|
|||
/// Gets the full file-system path of the item, if the item has a path.
|
|||
/// </summary>
|
|||
/// <remarks>
|
|||
/// Android backend might return file path with "content:" scheme.
|
|||
/// Browser and iOS backends might return relative uris.
|
|||
/// </remarks>
|
|||
bool TryGetUri([NotNullWhen(true)] out Uri? uri); |
|||
|
|||
/// <summary>
|
|||
/// Gets the basic properties of the current item.
|
|||
/// </summary>
|
|||
Task<StorageItemProperties> GetBasicPropertiesAsync(); |
|||
|
|||
/// <summary>
|
|||
/// Returns true is item can be bookmarked and reused later.
|
|||
/// </summary>
|
|||
bool CanBookmark { get; } |
|||
|
|||
/// <summary>
|
|||
/// Saves items to a bookmark.
|
|||
/// </summary>
|
|||
/// <returns>
|
|||
/// Returns identifier of a bookmark. Can be null if OS denied request.
|
|||
/// </returns>
|
|||
Task<string?> SaveBookmark(); |
|||
|
|||
/// <summary>
|
|||
/// Gets the parent folder of the current storage item.
|
|||
/// </summary>
|
|||
Task<IStorageFolder?> GetParentAsync(); |
|||
} |
|||
@ -0,0 +1,56 @@ |
|||
using System.Collections.Generic; |
|||
using System.Threading.Tasks; |
|||
using Avalonia.Metadata; |
|||
|
|||
namespace Avalonia.Platform.Storage; |
|||
|
|||
[NotClientImplementable] |
|||
public interface IStorageProvider |
|||
{ |
|||
/// <summary>
|
|||
/// Returns true if it's possible to open file picker on the current platform.
|
|||
/// </summary>
|
|||
bool CanOpen { get; } |
|||
|
|||
/// <summary>
|
|||
/// Opens file picker dialog.
|
|||
/// </summary>
|
|||
/// <returns>Array of selected <see cref="IStorageFile"/> or empty collection if user canceled the dialog.</returns>
|
|||
Task<IReadOnlyList<IStorageFile>> OpenFilePickerAsync(FilePickerOpenOptions options); |
|||
|
|||
/// <summary>
|
|||
/// Returns true if it's possible to open save file picker on the current platform.
|
|||
/// </summary>
|
|||
bool CanSave { get; } |
|||
|
|||
/// <summary>
|
|||
/// Opens save file picker dialog.
|
|||
/// </summary>
|
|||
/// <returns>Saved <see cref="IStorageFile"/> or null if user canceled the dialog.</returns>
|
|||
Task<IStorageFile?> SaveFilePickerAsync(FilePickerSaveOptions options); |
|||
|
|||
/// <summary>
|
|||
/// Returns true if it's possible to open folder picker on the current platform.
|
|||
/// </summary>
|
|||
bool CanPickFolder { get; } |
|||
|
|||
/// <summary>
|
|||
/// Opens folder picker dialog.
|
|||
/// </summary>
|
|||
/// <returns>Array of selected <see cref="IStorageFolder"/> or empty collection if user canceled the dialog.</returns>
|
|||
Task<IReadOnlyList<IStorageFolder>> OpenFolderPickerAsync(FolderPickerOpenOptions options); |
|||
|
|||
/// <summary>
|
|||
/// Open <see cref="IStorageBookmarkFile"/> from the bookmark ID.
|
|||
/// </summary>
|
|||
/// <param name="bookmark">Bookmark ID.</param>
|
|||
/// <returns>Bookmarked file or null if OS denied request.</returns>
|
|||
Task<IStorageBookmarkFile?> OpenFileBookmarkAsync(string bookmark); |
|||
|
|||
/// <summary>
|
|||
/// Open <see cref="IStorageBookmarkFolder"/> from the bookmark ID.
|
|||
/// </summary>
|
|||
/// <param name="bookmark">Bookmark ID.</param>
|
|||
/// <returns>Bookmarked folder or null if OS denied request.</returns>
|
|||
Task<IStorageBookmarkFolder?> OpenFolderBookmarkAsync(string bookmark); |
|||
} |
|||
@ -0,0 +1,17 @@ |
|||
namespace Avalonia.Platform.Storage; |
|||
|
|||
/// <summary>
|
|||
/// Common options for <see cref="IStorageProvider.OpenFolderPickerAsync"/>, <see cref="IStorageProvider.OpenFilePickerAsync"/> and <see cref="IStorageProvider.SaveFilePickerAsync"/> methods.
|
|||
/// </summary>
|
|||
public class PickerOptions |
|||
{ |
|||
/// <summary>
|
|||
/// Gets or sets the text that appears in the title bar of a folder dialog.
|
|||
/// </summary>
|
|||
public string? Title { get; set; } |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the initial location where the file open picker looks for files to present to the user.
|
|||
/// </summary>
|
|||
public IStorageFolder? SuggestedStartLocation { get; set; } |
|||
} |
|||
@ -0,0 +1,43 @@ |
|||
using System; |
|||
|
|||
namespace Avalonia.Platform.Storage; |
|||
|
|||
/// <summary>
|
|||
/// Provides access to the content-related properties of an item (like a file or folder).
|
|||
/// </summary>
|
|||
public class StorageItemProperties |
|||
{ |
|||
public StorageItemProperties( |
|||
ulong? size = null, |
|||
DateTimeOffset? dateCreated = null, |
|||
DateTimeOffset? dateModified = null) |
|||
{ |
|||
Size = size; |
|||
DateCreated = dateCreated; |
|||
DateModified = dateModified; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets the size of the file in bytes.
|
|||
/// </summary>
|
|||
/// <remarks>
|
|||
/// Can be null if property is not available.
|
|||
/// </remarks>
|
|||
public ulong? Size { get; } |
|||
|
|||
/// <summary>
|
|||
/// Gets the date and time that the current folder was created.
|
|||
/// </summary>
|
|||
/// <remarks>
|
|||
/// Can be null if property is not available.
|
|||
/// </remarks>
|
|||
public DateTimeOffset? DateCreated { get; } |
|||
|
|||
/// <summary>
|
|||
/// Gets the date and time of the last time the file was modified.
|
|||
/// </summary>
|
|||
/// <remarks>
|
|||
/// Can be null if property is not available.
|
|||
/// </remarks>
|
|||
public DateTimeOffset? DateModified { get; } |
|||
} |
|||
@ -0,0 +1,12 @@ |
|||
#nullable enable |
|||
using Avalonia.Platform.Storage; |
|||
|
|||
namespace Avalonia.Controls.Platform; |
|||
|
|||
/// <summary>
|
|||
/// Factory allows to register custom storage provider instead of native implementation.
|
|||
/// </summary>
|
|||
public interface IStorageProviderFactory |
|||
{ |
|||
IStorageProvider CreateProvider(TopLevel topLevel); |
|||
} |
|||
@ -0,0 +1,74 @@ |
|||
using System; |
|||
using System.Linq; |
|||
using System.Threading.Tasks; |
|||
|
|||
#nullable enable |
|||
|
|||
namespace Avalonia.Controls.Platform |
|||
{ |
|||
/// <summary>
|
|||
/// Defines a platform-specific system dialog implementation.
|
|||
/// </summary>
|
|||
[Obsolete] |
|||
internal class SystemDialogImpl : ISystemDialogImpl |
|||
{ |
|||
public async Task<string[]?> ShowFileDialogAsync(FileDialog dialog, Window parent) |
|||
{ |
|||
if (dialog is OpenFileDialog openDialog) |
|||
{ |
|||
var filePicker = parent.StorageProvider; |
|||
if (!filePicker.CanOpen) |
|||
{ |
|||
return null; |
|||
} |
|||
|
|||
var options = openDialog.ToFilePickerOpenOptions(); |
|||
|
|||
var files = await filePicker.OpenFilePickerAsync(options); |
|||
return files |
|||
.Select(file => file.TryGetUri(out var fullPath) |
|||
? fullPath.LocalPath |
|||
: file.Name) |
|||
.ToArray(); |
|||
} |
|||
else if (dialog is SaveFileDialog saveDialog) |
|||
{ |
|||
var filePicker = parent.StorageProvider; |
|||
if (!filePicker.CanSave) |
|||
{ |
|||
return null; |
|||
} |
|||
|
|||
var options = saveDialog.ToFilePickerSaveOptions(); |
|||
|
|||
var file = await filePicker.SaveFilePickerAsync(options); |
|||
if (file is null) |
|||
{ |
|||
return null; |
|||
} |
|||
|
|||
var filePath = file.TryGetUri(out var fullPath) |
|||
? fullPath.LocalPath |
|||
: file.Name; |
|||
return new[] { filePath }; |
|||
} |
|||
return null; |
|||
} |
|||
|
|||
public async Task<string?> ShowFolderDialogAsync(OpenFolderDialog dialog, Window parent) |
|||
{ |
|||
var filePicker = parent.StorageProvider; |
|||
if (!filePicker.CanPickFolder) |
|||
{ |
|||
return null; |
|||
} |
|||
|
|||
var options = dialog.ToFolderPickerOpenOptions(); |
|||
|
|||
var folders = await filePicker.OpenFolderPickerAsync(options); |
|||
return folders |
|||
.Select(f => f.TryGetUri(out var uri) ? uri.LocalPath : null) |
|||
.FirstOrDefault(u => u is not null); |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,11 @@ |
|||
using Avalonia.Metadata; |
|||
using Avalonia.Platform; |
|||
using Avalonia.Platform.Storage; |
|||
|
|||
namespace Avalonia.Controls.Platform; |
|||
|
|||
[Unstable] |
|||
public interface ITopLevelImplWithStorageProvider : ITopLevelImpl |
|||
{ |
|||
public IStorageProvider StorageProvider { get; } |
|||
} |
|||
@ -0,0 +1,147 @@ |
|||
#nullable enable |
|||
using System; |
|||
using System.Collections.Generic; |
|||
using System.IO; |
|||
using System.Linq; |
|||
using System.Threading.Tasks; |
|||
using Avalonia.Controls; |
|||
using Avalonia.Platform.Storage; |
|||
using Avalonia.Platform.Storage.FileIO; |
|||
|
|||
namespace Avalonia.Dialogs; |
|||
|
|||
public class ManagedStorageProvider<T> : BclStorageProvider where T : Window, new() |
|||
{ |
|||
private readonly Window _parent; |
|||
private readonly ManagedFileDialogOptions _managedOptions; |
|||
|
|||
public ManagedStorageProvider(Window parent, ManagedFileDialogOptions? managedOptions) |
|||
{ |
|||
_parent = parent; |
|||
_managedOptions = managedOptions ?? new ManagedFileDialogOptions(); |
|||
} |
|||
|
|||
public override bool CanSave => true; |
|||
public override bool CanOpen => true; |
|||
public override bool CanPickFolder => true; |
|||
|
|||
public override async Task<IReadOnlyList<IStorageFile>> OpenFilePickerAsync(FilePickerOpenOptions options) |
|||
{ |
|||
var model = new ManagedFileChooserViewModel(options, _managedOptions); |
|||
var results = await Show(model, _parent); |
|||
|
|||
return results.Select(f => new BclStorageFile(new FileInfo(f))).ToArray(); |
|||
} |
|||
|
|||
public override async Task<IStorageFile?> SaveFilePickerAsync(FilePickerSaveOptions options) |
|||
{ |
|||
var model = new ManagedFileChooserViewModel(options, _managedOptions); |
|||
var results = await Show(model, _parent); |
|||
|
|||
return results.FirstOrDefault() is { } result |
|||
? new BclStorageFile(new FileInfo(result)) |
|||
: null; |
|||
} |
|||
|
|||
public override async Task<IReadOnlyList<IStorageFolder>> OpenFolderPickerAsync(FolderPickerOpenOptions options) |
|||
{ |
|||
var model = new ManagedFileChooserViewModel(options, _managedOptions); |
|||
var results = await Show(model, _parent); |
|||
|
|||
return results.Select(f => new BclStorageFolder(new DirectoryInfo(f))).ToArray(); |
|||
} |
|||
|
|||
private async Task<string[]> Show(ManagedFileChooserViewModel model, Window parent) |
|||
{ |
|||
var dialog = new T |
|||
{ |
|||
Content = new ManagedFileChooser(), |
|||
Title = model.Title, |
|||
DataContext = model |
|||
}; |
|||
|
|||
dialog.Closed += delegate { model.Cancel(); }; |
|||
|
|||
string[]? result = null; |
|||
|
|||
model.CompleteRequested += items => |
|||
{ |
|||
result = items; |
|||
dialog.Close(); |
|||
}; |
|||
|
|||
model.OverwritePrompt += async (filename) => |
|||
{ |
|||
var overwritePromptDialog = new Window() |
|||
{ |
|||
Title = "Confirm Save As", |
|||
SizeToContent = SizeToContent.WidthAndHeight, |
|||
WindowStartupLocation = WindowStartupLocation.CenterOwner, |
|||
Padding = new Thickness(10), |
|||
MinWidth = 270 |
|||
}; |
|||
|
|||
string name = Path.GetFileName(filename); |
|||
|
|||
var panel = new DockPanel() |
|||
{ |
|||
HorizontalAlignment = Layout.HorizontalAlignment.Stretch |
|||
}; |
|||
|
|||
var label = new Label() |
|||
{ |
|||
Content = $"{name} already exists.\nDo you want to replace it?" |
|||
}; |
|||
|
|||
panel.Children.Add(label); |
|||
DockPanel.SetDock(label, Dock.Top); |
|||
|
|||
var buttonPanel = new StackPanel() |
|||
{ |
|||
HorizontalAlignment = Layout.HorizontalAlignment.Right, |
|||
Orientation = Layout.Orientation.Horizontal, |
|||
Spacing = 10 |
|||
}; |
|||
|
|||
var button = new Button() |
|||
{ |
|||
Content = "Yes", |
|||
HorizontalAlignment = Layout.HorizontalAlignment.Right |
|||
}; |
|||
|
|||
button.Click += (sender, args) => |
|||
{ |
|||
result = new string[1] { filename }; |
|||
overwritePromptDialog.Close(); |
|||
dialog.Close(); |
|||
}; |
|||
|
|||
buttonPanel.Children.Add(button); |
|||
|
|||
button = new Button() |
|||
{ |
|||
Content = "No", |
|||
HorizontalAlignment = Layout.HorizontalAlignment.Right |
|||
}; |
|||
|
|||
button.Click += (sender, args) => |
|||
{ |
|||
overwritePromptDialog.Close(); |
|||
}; |
|||
|
|||
buttonPanel.Children.Add(button); |
|||
|
|||
panel.Children.Add(buttonPanel); |
|||
DockPanel.SetDock(buttonPanel, Dock.Bottom); |
|||
|
|||
overwritePromptDialog.Content = panel; |
|||
|
|||
await overwritePromptDialog.ShowDialog(dialog); |
|||
}; |
|||
|
|||
model.CancelRequested += dialog.Close; |
|||
|
|||
await dialog.ShowDialog<object>(parent); |
|||
return result ?? Array.Empty<string>(); |
|||
} |
|||
} |
|||
@ -1,102 +1,171 @@ |
|||
using System; |
|||
using System.Collections.Generic; |
|||
using System.IO; |
|||
using System.Linq; |
|||
using System.Text; |
|||
using System.Threading.Tasks; |
|||
using Avalonia.Controls; |
|||
using Avalonia.Controls.Platform; |
|||
using Avalonia.Logging; |
|||
using Avalonia.Platform; |
|||
using Avalonia.Platform.Storage; |
|||
using Avalonia.Platform.Storage.FileIO; |
|||
|
|||
using Tmds.DBus; |
|||
|
|||
namespace Avalonia.FreeDesktop |
|||
{ |
|||
internal class DBusSystemDialog : ISystemDialogImpl |
|||
internal class DBusSystemDialog : BclStorageProvider |
|||
{ |
|||
private readonly IFileChooser _fileChooser; |
|||
|
|||
internal static DBusSystemDialog? TryCreate() |
|||
private static readonly Lazy<IFileChooser?> s_fileChooser = new(() => |
|||
{ |
|||
var fileChooser = DBusHelper.Connection?.CreateProxy<IFileChooser>("org.freedesktop.portal.Desktop", "/org/freedesktop/portal/desktop"); |
|||
if (fileChooser is null) |
|||
return null; |
|||
try |
|||
{ |
|||
fileChooser.GetVersionAsync().GetAwaiter().GetResult(); |
|||
return new DBusSystemDialog(fileChooser); |
|||
_ = fileChooser.GetVersionAsync(); |
|||
return fileChooser; |
|||
} |
|||
catch (Exception e) |
|||
{ |
|||
Logger.TryGet(LogEventLevel.Error, LogArea.X11Platform)?.Log(null, $"Unable to connect to org.freedesktop.portal.Desktop: {e.Message}"); |
|||
return null; |
|||
} |
|||
}); |
|||
|
|||
internal static DBusSystemDialog? TryCreate(IPlatformHandle handle) |
|||
{ |
|||
return handle.HandleDescriptor == "XID" && s_fileChooser.Value is { } fileChooser |
|||
? new DBusSystemDialog(fileChooser, handle) : null; |
|||
} |
|||
|
|||
private DBusSystemDialog(IFileChooser fileChooser) |
|||
private readonly IFileChooser _fileChooser; |
|||
private readonly IPlatformHandle _handle; |
|||
|
|||
private DBusSystemDialog(IFileChooser fileChooser, IPlatformHandle handle) |
|||
{ |
|||
_fileChooser = fileChooser; |
|||
_handle = handle; |
|||
} |
|||
|
|||
public async Task<string[]?> ShowFileDialogAsync(FileDialog dialog, Window parent) |
|||
public override bool CanOpen => true; |
|||
|
|||
public override bool CanSave => true; |
|||
|
|||
public override bool CanPickFolder => true; |
|||
|
|||
public override async Task<IReadOnlyList<IStorageFile>> OpenFilePickerAsync(FilePickerOpenOptions options) |
|||
{ |
|||
var parentWindow = $"x11:{parent.PlatformImpl!.Handle.Handle.ToString("X")}"; |
|||
var parentWindow = $"x11:{_handle.Handle:X}"; |
|||
ObjectPath objectPath; |
|||
var options = new Dictionary<string, object>(); |
|||
if (dialog.Filters is not null) |
|||
options.Add("filters", ParseFilters(dialog)); |
|||
var chooserOptions = new Dictionary<string, object>(); |
|||
var filters = ParseFilters(options.FileTypeFilter); |
|||
if (filters.Any()) |
|||
{ |
|||
chooserOptions.Add("filters", filters); |
|||
} |
|||
|
|||
chooserOptions.Add("multiple", options.AllowMultiple); |
|||
|
|||
objectPath = await _fileChooser.OpenFileAsync(parentWindow, options.Title ?? string.Empty, chooserOptions); |
|||
|
|||
var request = DBusHelper.Connection!.CreateProxy<IRequest>("org.freedesktop.portal.Request", objectPath); |
|||
var tsc = new TaskCompletionSource<string[]?>(); |
|||
using var disposable = await request.WatchResponseAsync(x => tsc.SetResult(x.results["uris"] as string[]), tsc.SetException); |
|||
var uris = await tsc.Task ?? Array.Empty<string>(); |
|||
|
|||
return uris.Select(path => new BclStorageFile(new FileInfo(new Uri(path).AbsolutePath))).ToList(); |
|||
} |
|||
|
|||
switch (dialog) |
|||
public override async Task<IStorageFile?> SaveFilePickerAsync(FilePickerSaveOptions options) |
|||
{ |
|||
var parentWindow = $"x11:{_handle.Handle:X}"; |
|||
ObjectPath objectPath; |
|||
var chooserOptions = new Dictionary<string, object>(); |
|||
var filters = ParseFilters(options.FileTypeChoices); |
|||
if (filters.Any()) |
|||
{ |
|||
case OpenFileDialog openFileDialog: |
|||
options.Add("multiple", openFileDialog.AllowMultiple); |
|||
objectPath = await _fileChooser.OpenFileAsync(parentWindow, openFileDialog.Title ?? string.Empty, options); |
|||
break; |
|||
case SaveFileDialog saveFileDialog: |
|||
if (saveFileDialog.InitialFileName is not null) |
|||
options.Add("current_name", saveFileDialog.InitialFileName); |
|||
if (saveFileDialog.Directory is not null) |
|||
options.Add("current_folder", Encoding.UTF8.GetBytes(saveFileDialog.Directory)); |
|||
objectPath = await _fileChooser.SaveFileAsync(parentWindow, saveFileDialog.Title ?? string.Empty, options); |
|||
break; |
|||
chooserOptions.Add("filters", filters); |
|||
} |
|||
|
|||
if (options.SuggestedFileName is { } currentName) |
|||
chooserOptions.Add("current_name", currentName); |
|||
if (options.SuggestedStartLocation?.TryGetUri(out var currentFolder) == true) |
|||
chooserOptions.Add("current_folder", Encoding.UTF8.GetBytes(currentFolder.ToString())); |
|||
objectPath = await _fileChooser.SaveFileAsync(parentWindow, options.Title ?? string.Empty, chooserOptions); |
|||
|
|||
var request = DBusHelper.Connection!.CreateProxy<IRequest>("org.freedesktop.portal.Request", objectPath); |
|||
var tsc = new TaskCompletionSource<string[]?>(); |
|||
using var disposable = await request.WatchResponseAsync(x => tsc.SetResult(x.results["uris"] as string[]), tsc.SetException); |
|||
var uris = await tsc.Task; |
|||
if (uris is null) |
|||
var path = uris?.FirstOrDefault() is { } filePath ? new Uri(filePath).AbsolutePath : null; |
|||
|
|||
if (path is null) |
|||
{ |
|||
return null; |
|||
for (var i = 0; i < uris.Length; i++) |
|||
uris[i] = new Uri(uris[i]).AbsolutePath; |
|||
return uris; |
|||
} |
|||
else |
|||
{ |
|||
// WSL2 freedesktop automatically adds extension from selected file type, but we can't pass "default ext". So apply it manually.
|
|||
path = StorageProviderHelpers.NameWithExtension(path, options.DefaultExtension, null); |
|||
|
|||
return new BclStorageFile(new FileInfo(path)); |
|||
} |
|||
} |
|||
|
|||
public async Task<string?> ShowFolderDialogAsync(OpenFolderDialog dialog, Window parent) |
|||
public override async Task<IReadOnlyList<IStorageFolder>> OpenFolderPickerAsync(FolderPickerOpenOptions options) |
|||
{ |
|||
var parentWindow = $"x11:{parent.PlatformImpl!.Handle.Handle.ToString("X")}"; |
|||
var options = new Dictionary<string, object> |
|||
var parentWindow = $"x11:{_handle.Handle:X}"; |
|||
var chooserOptions = new Dictionary<string, object> |
|||
{ |
|||
{ "directory", true } |
|||
{ "directory", true }, |
|||
{ "multiple", options.AllowMultiple } |
|||
}; |
|||
var objectPath = await _fileChooser.OpenFileAsync(parentWindow, dialog.Title ?? string.Empty, options); |
|||
var objectPath = await _fileChooser.OpenFileAsync(parentWindow, options.Title ?? string.Empty, chooserOptions); |
|||
var request = DBusHelper.Connection!.CreateProxy<IRequest>("org.freedesktop.portal.Request", objectPath); |
|||
var tsc = new TaskCompletionSource<string[]?>(); |
|||
using var disposable = await request.WatchResponseAsync(x => tsc.SetResult(x.results["uris"] as string[]), tsc.SetException); |
|||
var uris = await tsc.Task; |
|||
if (uris is null) |
|||
return null; |
|||
return uris.Length != 1 ? string.Empty : new Uri(uris[0]).AbsolutePath; |
|||
var uris = await tsc.Task ?? Array.Empty<string>(); |
|||
|
|||
return uris |
|||
.Select(path => new Uri(path).AbsolutePath) |
|||
// WSL2 freedesktop allows to select files as well in directory picker, filter it out.
|
|||
.Where(Directory.Exists) |
|||
.Select(path => new BclStorageFolder(new DirectoryInfo(path))).ToList(); |
|||
} |
|||
|
|||
private static (string name, (uint style, string extension)[])[] ParseFilters(FileDialog dialog) |
|||
private static (string name, (uint style, string extension)[])[] ParseFilters(IReadOnlyList<FilePickerFileType>? fileTypes) |
|||
{ |
|||
var filters = new (string name, (uint style, string extension)[])[dialog.Filters!.Count]; |
|||
for (var i = 0; i < filters.Length; i++) |
|||
// Example: [('Images', [(0, '*.ico'), (1, 'image/png')]), ('Text', [(0, '*.txt')])]
|
|||
|
|||
if (fileTypes is null) |
|||
{ |
|||
var extensions = dialog.Filters[i].Extensions.Select(static x => (0u, x)).ToArray(); |
|||
filters[i] = (dialog.Filters[i].Name ?? string.Empty, extensions); |
|||
return Array.Empty<(string name, (uint style, string extension)[])>(); |
|||
} |
|||
|
|||
var filters = new List<(string name, (uint style, string extension)[])>(); |
|||
foreach (var fileType in fileTypes) |
|||
{ |
|||
const uint globStyle = 0u; |
|||
const uint mimeStyle = 1u; |
|||
|
|||
var extensions = Enumerable.Empty<(uint, string)>(); |
|||
|
|||
if (fileType.Patterns is { } patterns) |
|||
{ |
|||
extensions = extensions.Concat(patterns.Select(static x => (globStyle, x))); |
|||
} |
|||
else if (fileType.MimeTypes is { } mimeTypes) |
|||
{ |
|||
extensions = extensions.Concat(mimeTypes.Select(static x => (mimeStyle, x))); |
|||
} |
|||
|
|||
if (extensions.Any()) |
|||
{ |
|||
filters.Add((fileType.Name, extensions.ToArray())); |
|||
} |
|||
} |
|||
|
|||
return filters; |
|||
return filters.ToArray(); |
|||
} |
|||
} |
|||
} |
|||
|
|||
@ -0,0 +1,200 @@ |
|||
using System.Diagnostics.CodeAnalysis; |
|||
|
|||
using Avalonia.Platform.Storage; |
|||
|
|||
using Microsoft.JSInterop; |
|||
|
|||
namespace Avalonia.Web.Blazor.Interop.Storage |
|||
{ |
|||
internal record FilePickerAcceptType(string Description, IReadOnlyDictionary<string, IReadOnlyList<string>> Accept); |
|||
|
|||
internal record FileProperties(ulong Size, long LastModified, string? Type); |
|||
|
|||
internal class StorageProviderInterop : JSModuleInterop, IStorageProvider |
|||
{ |
|||
private const string JsFilename = "./_content/Avalonia.Web.Blazor/StorageProvider.js"; |
|||
private const string PickerCancelMessage = "The user aborted a request"; |
|||
|
|||
public static async Task<StorageProviderInterop> ImportAsync(IJSRuntime js) |
|||
{ |
|||
var interop = new StorageProviderInterop(js); |
|||
await interop.ImportAsync(); |
|||
return interop; |
|||
} |
|||
|
|||
public StorageProviderInterop(IJSRuntime js) |
|||
: base(js, JsFilename) |
|||
{ |
|||
} |
|||
|
|||
public bool CanOpen => Invoke<bool>("StorageProvider.canOpen"); |
|||
public bool CanSave => Invoke<bool>("StorageProvider.canSave"); |
|||
public bool CanPickFolder => Invoke<bool>("StorageProvider.canPickFolder"); |
|||
|
|||
public async Task<IReadOnlyList<IStorageFile>> OpenFilePickerAsync(FilePickerOpenOptions options) |
|||
{ |
|||
try |
|||
{ |
|||
var startIn = (options.SuggestedStartLocation as JSStorageItem)?.FileHandle; |
|||
|
|||
var (types, exludeAll) = ConvertFileTypes(options.FileTypeFilter); |
|||
var items = await InvokeAsync<IJSInProcessObjectReference>("StorageProvider.openFileDialog", startIn, options.AllowMultiple, types, exludeAll); |
|||
var count = items.Invoke<int>("count"); |
|||
|
|||
return Enumerable.Range(0, count) |
|||
.Select(index => new JSStorageFile(items.Invoke<IJSInProcessObjectReference>("at", index))) |
|||
.ToArray(); |
|||
} |
|||
catch (JSException ex) when (ex.Message.Contains(PickerCancelMessage, StringComparison.Ordinal)) |
|||
{ |
|||
return Array.Empty<IStorageFile>(); |
|||
} |
|||
} |
|||
|
|||
public async Task<IStorageFile?> SaveFilePickerAsync(FilePickerSaveOptions options) |
|||
{ |
|||
try |
|||
{ |
|||
var startIn = (options.SuggestedStartLocation as JSStorageItem)?.FileHandle; |
|||
|
|||
var (types, exludeAll) = ConvertFileTypes(options.FileTypeChoices); |
|||
var item = await InvokeAsync<IJSInProcessObjectReference>("StorageProvider.saveFileDialog", startIn, options.SuggestedFileName, types, exludeAll); |
|||
|
|||
return item is not null ? new JSStorageFile(item) : null; |
|||
} |
|||
catch (JSException ex) when (ex.Message.Contains(PickerCancelMessage, StringComparison.Ordinal)) |
|||
{ |
|||
return null; |
|||
} |
|||
} |
|||
|
|||
public async Task<IReadOnlyList<IStorageFolder>> OpenFolderPickerAsync(FolderPickerOpenOptions options) |
|||
{ |
|||
try |
|||
{ |
|||
var startIn = (options.SuggestedStartLocation as JSStorageItem)?.FileHandle; |
|||
|
|||
var item = await InvokeAsync<IJSInProcessObjectReference>("StorageProvider.selectFolderDialog", startIn); |
|||
|
|||
return item is not null ? new[] { new JSStorageFolder(item) } : Array.Empty<IStorageFolder>(); |
|||
} |
|||
catch (JSException ex) when (ex.Message.Contains(PickerCancelMessage, StringComparison.Ordinal)) |
|||
{ |
|||
return Array.Empty<IStorageFolder>(); |
|||
} |
|||
} |
|||
|
|||
public async Task<IStorageBookmarkFile?> OpenFileBookmarkAsync(string bookmark) |
|||
{ |
|||
var item = await InvokeAsync<IJSInProcessObjectReference>("StorageProvider.openBookmark", bookmark); |
|||
return item is not null ? new JSStorageFile(item) : null; |
|||
} |
|||
|
|||
public async Task<IStorageBookmarkFolder?> OpenFolderBookmarkAsync(string bookmark) |
|||
{ |
|||
var item = await InvokeAsync<IJSInProcessObjectReference>("StorageProvider.openBookmark", bookmark); |
|||
return item is not null ? new JSStorageFolder(item) : null; |
|||
} |
|||
|
|||
private static (FilePickerAcceptType[]? types, bool excludeAllOption) ConvertFileTypes(IEnumerable<FilePickerFileType>? input) |
|||
{ |
|||
var types = input? |
|||
.Where(t => t.MimeTypes?.Any() == true && t != FilePickerFileTypes.All) |
|||
.Select(t => new FilePickerAcceptType(t.Name, t.MimeTypes! |
|||
.ToDictionary(m => m, _ => (IReadOnlyList<string>)Array.Empty<string>()))) |
|||
.ToArray(); |
|||
if (types?.Length == 0) |
|||
{ |
|||
types = null; |
|||
} |
|||
|
|||
var inlcudeAll = input?.Contains(FilePickerFileTypes.All) == true || types is null; |
|||
|
|||
return (types, !inlcudeAll); |
|||
} |
|||
} |
|||
|
|||
internal abstract class JSStorageItem : IStorageBookmarkItem |
|||
{ |
|||
internal IJSInProcessObjectReference? _fileHandle; |
|||
|
|||
protected JSStorageItem(IJSInProcessObjectReference fileHandle) |
|||
{ |
|||
_fileHandle = fileHandle ?? throw new ArgumentNullException(nameof(fileHandle)); |
|||
} |
|||
|
|||
internal IJSInProcessObjectReference FileHandle => _fileHandle ?? throw new ObjectDisposedException(nameof(JSStorageItem)); |
|||
|
|||
public string Name => FileHandle.Invoke<string>("getName"); |
|||
|
|||
public bool TryGetUri([NotNullWhen(true)] out Uri? uri) |
|||
{ |
|||
uri = new Uri(Name, UriKind.Relative); |
|||
return false; |
|||
} |
|||
|
|||
public async Task<StorageItemProperties> GetBasicPropertiesAsync() |
|||
{ |
|||
var properties = await FileHandle.InvokeAsync<FileProperties?>("getProperties"); |
|||
|
|||
return new StorageItemProperties( |
|||
properties?.Size, |
|||
dateCreated: null, |
|||
dateModified: properties?.LastModified > 0 ? DateTimeOffset.FromUnixTimeMilliseconds(properties.LastModified) : null); |
|||
} |
|||
|
|||
public bool CanBookmark => true; |
|||
|
|||
public Task<string?> SaveBookmark() |
|||
{ |
|||
return FileHandle.InvokeAsync<string?>("saveBookmark").AsTask(); |
|||
} |
|||
|
|||
public Task<IStorageFolder?> GetParentAsync() |
|||
{ |
|||
return Task.FromResult<IStorageFolder?>(null); |
|||
} |
|||
|
|||
public Task ReleaseBookmark() |
|||
{ |
|||
return FileHandle.InvokeAsync<string?>("deleteBookmark").AsTask(); |
|||
} |
|||
|
|||
public void Dispose() |
|||
{ |
|||
_fileHandle?.Dispose(); |
|||
_fileHandle = null; |
|||
} |
|||
} |
|||
|
|||
internal class JSStorageFile : JSStorageItem, IStorageBookmarkFile |
|||
{ |
|||
public JSStorageFile(IJSInProcessObjectReference fileHandle) : base(fileHandle) |
|||
{ |
|||
} |
|||
|
|||
public bool CanOpenRead => true; |
|||
public async Task<Stream> OpenRead() |
|||
{ |
|||
var stream = await FileHandle.InvokeAsync<IJSStreamReference>("openRead"); |
|||
// Remove maxAllowedSize limit, as developer can decide if they read only small part or everything.
|
|||
return await stream.OpenReadStreamAsync(long.MaxValue, CancellationToken.None); |
|||
} |
|||
|
|||
public bool CanOpenWrite => true; |
|||
public async Task<Stream> OpenWrite() |
|||
{ |
|||
var properties = await FileHandle.InvokeAsync<FileProperties?>("getProperties"); |
|||
var streamWriter = await FileHandle.InvokeAsync<IJSInProcessObjectReference>("openWrite"); |
|||
|
|||
return new JSWriteableStream(streamWriter, (long)(properties?.Size ?? 0)); |
|||
} |
|||
} |
|||
|
|||
internal class JSStorageFolder : JSStorageItem, IStorageBookmarkFolder |
|||
{ |
|||
public JSStorageFolder(IJSInProcessObjectReference fileHandle) : base(fileHandle) |
|||
{ |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,124 @@ |
|||
using System.Buffers; |
|||
using System.Text.Json.Serialization; |
|||
|
|||
using Microsoft.JSInterop; |
|||
|
|||
namespace Avalonia.Web.Blazor.Interop.Storage |
|||
{ |
|||
// Loose wrapper implementaion of a stream on top of FileAPI FileSystemWritableFileStream
|
|||
internal sealed class JSWriteableStream : Stream |
|||
{ |
|||
private IJSInProcessObjectReference? _jSReference; |
|||
|
|||
// Unfortunatelly we can't read current length/position, so we need to keep it C#-side only.
|
|||
private long _length, _position; |
|||
|
|||
internal JSWriteableStream(IJSInProcessObjectReference jSReference, long initialLength) |
|||
{ |
|||
_jSReference = jSReference; |
|||
_length = initialLength; |
|||
} |
|||
|
|||
private IJSInProcessObjectReference JSReference => _jSReference ?? throw new ObjectDisposedException(nameof(JSWriteableStream)); |
|||
|
|||
public override bool CanRead => false; |
|||
|
|||
public override bool CanSeek => true; |
|||
|
|||
public override bool CanWrite => true; |
|||
|
|||
public override long Length => _length; |
|||
|
|||
public override long Position |
|||
{ |
|||
get => _position; |
|||
set => Seek(_position, SeekOrigin.Begin); |
|||
} |
|||
|
|||
public override void Flush() |
|||
{ |
|||
// no-op
|
|||
} |
|||
|
|||
public override int Read(byte[] buffer, int offset, int count) |
|||
{ |
|||
throw new NotSupportedException(); |
|||
} |
|||
|
|||
public override long Seek(long offset, SeekOrigin origin) |
|||
{ |
|||
var position = origin switch |
|||
{ |
|||
SeekOrigin.Current => _position + offset, |
|||
SeekOrigin.End => _length + offset, |
|||
_ => offset |
|||
}; |
|||
JSReference.InvokeVoid("seek", position); |
|||
return position; |
|||
} |
|||
|
|||
public override void SetLength(long value) |
|||
{ |
|||
_length = value; |
|||
|
|||
// See https://docs.w3cub.com/dom/filesystemwritablefilestream/truncate
|
|||
// If the offset is smaller than the size, it remains unchanged. If the offset is larger than size, the offset is set to that size
|
|||
if (_position > _length) |
|||
{ |
|||
_position = _length; |
|||
} |
|||
|
|||
JSReference.InvokeVoid("truncate", value); |
|||
} |
|||
|
|||
public override void Write(byte[] buffer, int offset, int count) |
|||
{ |
|||
throw new NotSupportedException("Synchronous writes are not supported."); |
|||
} |
|||
|
|||
public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken) |
|||
{ |
|||
if (offset != 0 || count != buffer.Length) |
|||
{ |
|||
// TODO, we need to pass prepared buffer to the JS
|
|||
// Can't use ArrayPool as it can return bigger array than requested
|
|||
// Can't use Span/Memory, as it's not supported by JS interop yet.
|
|||
// Alternatively we can pass original buffer and offset+count, so it can be trimmed on the JS side (but is it more efficient tho?)
|
|||
buffer = buffer.AsMemory(offset, count).ToArray(); |
|||
} |
|||
return WriteAsyncInternal(buffer, cancellationToken).AsTask(); |
|||
} |
|||
|
|||
public override ValueTask WriteAsync(ReadOnlyMemory<byte> buffer, CancellationToken cancellationToken = default) |
|||
{ |
|||
return WriteAsyncInternal(buffer.ToArray(), cancellationToken); |
|||
} |
|||
|
|||
private ValueTask WriteAsyncInternal(byte[] buffer, CancellationToken _) |
|||
{ |
|||
_position += buffer.Length; |
|||
|
|||
return JSReference.InvokeVoidAsync("write", buffer); |
|||
} |
|||
|
|||
protected override void Dispose(bool disposing) |
|||
{ |
|||
if (_jSReference is { } jsReference) |
|||
{ |
|||
_jSReference = null; |
|||
jsReference.InvokeVoid("close"); |
|||
jsReference.Dispose(); |
|||
} |
|||
} |
|||
|
|||
public override async ValueTask DisposeAsync() |
|||
{ |
|||
if (_jSReference is { } jsReference) |
|||
{ |
|||
_jSReference = null; |
|||
await jsReference.InvokeVoidAsync("close"); |
|||
await jsReference.DisposeAsync(); |
|||
} |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,292 @@ |
|||
// As we don't have proper package managing for Avalonia.Web project, declare types manually
|
|||
declare global { |
|||
interface FileSystemWritableFileStream { |
|||
write(position: number, data: BufferSource | Blob | string): Promise<void>; |
|||
truncate(size: number): Promise<void>; |
|||
close(): Promise<void>; |
|||
} |
|||
type PermissionsMode = "read" | "readwrite"; |
|||
interface FileSystemFileHandle { |
|||
name: string, |
|||
kind: "file" | "directory", |
|||
getFile(): Promise<File>; |
|||
createWritable(options?: { keepExistingData?: boolean }): Promise<FileSystemWritableFileStream>; |
|||
|
|||
queryPermission(options?: { mode: PermissionsMode }): Promise<"granted" | "denied" | "prompt">; |
|||
requestPermission(options?: { mode: PermissionsMode }): Promise<"granted" | "denied" | "prompt">; |
|||
} |
|||
type WellKnownDirectory = "desktop" | "documents" | "downloads" | "music" | "pictures" | "videos"; |
|||
type StartInDirectory = WellKnownDirectory | FileSystemFileHandle; |
|||
interface FilePickerAcceptType { |
|||
description: string, |
|||
// mime -> ext[] array
|
|||
accept: { [mime: string]: string | string[] } |
|||
} |
|||
interface FilePickerOptions { |
|||
types?: FilePickerAcceptType[], |
|||
excludeAcceptAllOption: boolean, |
|||
id?: string, |
|||
startIn?: StartInDirectory |
|||
} |
|||
interface OpenFilePickerOptions extends FilePickerOptions { |
|||
multiple: boolean |
|||
} |
|||
interface SaveFilePickerOptions extends FilePickerOptions { |
|||
suggestedName?: string |
|||
} |
|||
interface DirectoryPickerOptions { |
|||
id?: string, |
|||
startIn?: StartInDirectory |
|||
} |
|||
|
|||
interface Window { |
|||
showOpenFilePicker: (options: OpenFilePickerOptions) => Promise<FileSystemFileHandle[]>; |
|||
showSaveFilePicker: (options: SaveFilePickerOptions) => Promise<FileSystemFileHandle>; |
|||
showDirectoryPicker: (options: DirectoryPickerOptions) => Promise<FileSystemFileHandle>; |
|||
} |
|||
} |
|||
|
|||
// TODO move to another file and use import
|
|||
class IndexedDbWrapper { |
|||
constructor(private databaseName: string, private objectStores: [ string ]) { |
|||
|
|||
} |
|||
|
|||
public connect(): Promise<InnerDbConnection> { |
|||
var conn = window.indexedDB.open(this.databaseName, 1); |
|||
|
|||
conn.onupgradeneeded = event => { |
|||
const db = (<IDBRequest<IDBDatabase>>event.target).result; |
|||
this.objectStores.forEach(store => { |
|||
db.createObjectStore(store); |
|||
}); |
|||
} |
|||
|
|||
return new Promise((resolve, reject) => { |
|||
conn.onsuccess = event => { |
|||
resolve(new InnerDbConnection((<IDBRequest<IDBDatabase>>event.target).result)); |
|||
} |
|||
conn.onerror = event => { |
|||
reject((<IDBRequest<IDBDatabase>>event.target).error); |
|||
} |
|||
}); |
|||
} |
|||
} |
|||
|
|||
class InnerDbConnection { |
|||
constructor(private database: IDBDatabase) { } |
|||
|
|||
private openStore(store: string, mode: IDBTransactionMode): IDBObjectStore { |
|||
const tx = this.database.transaction(store, mode); |
|||
return tx.objectStore(store); |
|||
} |
|||
|
|||
public put(store: string, obj: any, key?: IDBValidKey): Promise<IDBValidKey> { |
|||
const os = this.openStore(store, "readwrite"); |
|||
|
|||
return new Promise((resolve, reject) => { |
|||
var response = os.put(obj, key); |
|||
response.onsuccess = () => { |
|||
resolve(response.result); |
|||
}; |
|||
response.onerror = () => { |
|||
reject(response.error); |
|||
}; |
|||
}); |
|||
} |
|||
|
|||
public get(store: string, key: IDBValidKey): any { |
|||
const os = this.openStore(store, "readonly"); |
|||
|
|||
return new Promise((resolve, reject) => { |
|||
var response = os.get(key); |
|||
response.onsuccess = () => { |
|||
resolve(response.result); |
|||
}; |
|||
response.onerror = () => { |
|||
reject(response.error); |
|||
}; |
|||
}); |
|||
} |
|||
|
|||
public delete(store: string, key: IDBValidKey): Promise<void> { |
|||
const os = this.openStore(store, "readwrite"); |
|||
|
|||
return new Promise((resolve, reject) => { |
|||
var response = os.delete(key); |
|||
response.onsuccess = () => { |
|||
resolve(); |
|||
}; |
|||
response.onerror = () => { |
|||
reject(response.error); |
|||
}; |
|||
}); |
|||
} |
|||
|
|||
public close() { |
|||
this.database.close(); |
|||
} |
|||
} |
|||
|
|||
const fileBookmarksStore: string = "fileBookmarks"; |
|||
const avaloniaDb = new IndexedDbWrapper("AvaloniaDb", [ |
|||
fileBookmarksStore |
|||
]) |
|||
|
|||
class StorageItem { |
|||
constructor(private handle: FileSystemFileHandle, private bookmarkId?: string) { } |
|||
|
|||
public getName(): string { |
|||
return this.handle.name |
|||
} |
|||
|
|||
public async openRead(): Promise<Blob> { |
|||
await this.verityPermissions('read'); |
|||
|
|||
var file = await this.handle.getFile(); |
|||
return file; |
|||
} |
|||
|
|||
public async openWrite(): Promise<FileSystemWritableFileStream> { |
|||
await this.verityPermissions('readwrite'); |
|||
|
|||
return await this.handle.createWritable({ keepExistingData: true }); |
|||
} |
|||
|
|||
public async getProperties(): Promise<{ Size: number, LastModified: number, Type: string }> { |
|||
var file = this.handle.getFile && await this.handle.getFile(); |
|||
|
|||
return file && { |
|||
Size: file.size, |
|||
LastModified: file.lastModified, |
|||
Type: file.type |
|||
} |
|||
} |
|||
|
|||
private async verityPermissions(mode: PermissionsMode): Promise<void | never> { |
|||
if (await this.handle.queryPermission({ mode }) === 'granted') { |
|||
return; |
|||
} |
|||
|
|||
if (await this.handle.requestPermission({ mode }) === "denied") { |
|||
throw new Error("Read permissions denied"); |
|||
} |
|||
} |
|||
|
|||
public async saveBookmark(): Promise<string> { |
|||
// If file was previously bookmarked, just return old one.
|
|||
if (this.bookmarkId) { |
|||
return this.bookmarkId; |
|||
} |
|||
|
|||
const connection = await avaloniaDb.connect(); |
|||
try { |
|||
const key = await connection.put(fileBookmarksStore, this.handle, this.generateBookmarkId()); |
|||
return <string>key; |
|||
} |
|||
finally { |
|||
connection.close(); |
|||
} |
|||
} |
|||
|
|||
public async deleteBookmark(): Promise<void> { |
|||
if (!this.bookmarkId) { |
|||
return; |
|||
} |
|||
|
|||
const connection = await avaloniaDb.connect(); |
|||
try { |
|||
const key = await connection.delete(fileBookmarksStore, this.bookmarkId); |
|||
} |
|||
finally { |
|||
connection.close(); |
|||
} |
|||
} |
|||
|
|||
private generateBookmarkId(): string { |
|||
return Date.now().toString(36) + Math.random().toString(36).substring(2); |
|||
} |
|||
} |
|||
|
|||
class StorageItems { |
|||
constructor(private items: StorageItem[]) { } |
|||
|
|||
public count(): number { |
|||
return this.items.length; |
|||
} |
|||
|
|||
public at(index: number): StorageItem { |
|||
return this.items[index]; |
|||
} |
|||
} |
|||
|
|||
export class StorageProvider { |
|||
|
|||
public static canOpen(): boolean { |
|||
return typeof window.showOpenFilePicker !== 'undefined'; |
|||
} |
|||
|
|||
public static canSave(): boolean { |
|||
return typeof window.showSaveFilePicker !== 'undefined'; |
|||
} |
|||
|
|||
public static canPickFolder(): boolean { |
|||
return typeof window.showDirectoryPicker !== 'undefined'; |
|||
} |
|||
|
|||
public static async selectFolderDialog( |
|||
startIn: StartInDirectory | null) |
|||
: Promise<StorageItem> { |
|||
|
|||
// 'Picker' API doesn't accept "null" as a parameter, so it should be set to undefined.
|
|||
const options: DirectoryPickerOptions = { |
|||
startIn: (startIn || undefined) |
|||
}; |
|||
|
|||
const handle = await window.showDirectoryPicker(options); |
|||
return new StorageItem(handle); |
|||
} |
|||
|
|||
public static async openFileDialog( |
|||
startIn: StartInDirectory | null, multiple: boolean, |
|||
types: FilePickerAcceptType[] | null, excludeAcceptAllOption: boolean) |
|||
: Promise<StorageItems> { |
|||
|
|||
const options: OpenFilePickerOptions = { |
|||
startIn: (startIn || undefined), |
|||
multiple, |
|||
excludeAcceptAllOption, |
|||
types: (types || undefined) |
|||
}; |
|||
|
|||
const handles = await window.showOpenFilePicker(options); |
|||
return new StorageItems(handles.map(handle => new StorageItem(handle))); |
|||
} |
|||
|
|||
public static async saveFileDialog( |
|||
startIn: StartInDirectory | null, suggestedName: string | null, |
|||
types: FilePickerAcceptType[] | null, excludeAcceptAllOption: boolean) |
|||
: Promise<StorageItem> { |
|||
|
|||
const options: SaveFilePickerOptions = { |
|||
startIn: (startIn || undefined), |
|||
suggestedName: (suggestedName || undefined), |
|||
excludeAcceptAllOption, |
|||
types: (types || undefined) |
|||
}; |
|||
|
|||
const handle = await window.showSaveFilePicker(options); |
|||
return new StorageItem(handle); |
|||
} |
|||
|
|||
public static async openBookmark(key: string): Promise<StorageItem | null> { |
|||
const connection = await avaloniaDb.connect(); |
|||
try { |
|||
const handle = await connection.get(fileBookmarksStore, key); |
|||
return handle && new StorageItem(handle, key); |
|||
} |
|||
finally { |
|||
connection.close(); |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,66 @@ |
|||
using System.IO; |
|||
|
|||
using Foundation; |
|||
|
|||
using UIKit; |
|||
|
|||
#nullable enable |
|||
|
|||
namespace Avalonia.iOS.Storage; |
|||
|
|||
internal sealed class IOSSecurityScopedStream : Stream |
|||
{ |
|||
private readonly UIDocument _document; |
|||
private readonly FileStream _stream; |
|||
private readonly NSUrl _url; |
|||
|
|||
internal IOSSecurityScopedStream(NSUrl url, FileAccess access) |
|||
{ |
|||
_document = new UIDocument(url); |
|||
var path = _document.FileUrl.Path; |
|||
_url = url; |
|||
_url.StartAccessingSecurityScopedResource(); |
|||
_stream = File.Open(path, FileMode.Open, access); |
|||
} |
|||
|
|||
public override bool CanRead => _stream.CanRead; |
|||
|
|||
public override bool CanSeek => _stream.CanSeek; |
|||
|
|||
public override bool CanWrite => _stream.CanWrite; |
|||
|
|||
public override long Length => _stream.Length; |
|||
|
|||
public override long Position |
|||
{ |
|||
get => _stream.Position; |
|||
set => _stream.Position = value; |
|||
} |
|||
|
|||
public override void Flush() => |
|||
_stream.Flush(); |
|||
|
|||
public override int Read(byte[] buffer, int offset, int count) => |
|||
_stream.Read(buffer, offset, count); |
|||
|
|||
public override long Seek(long offset, SeekOrigin origin) => |
|||
_stream.Seek(offset, origin); |
|||
|
|||
public override void SetLength(long value) => |
|||
_stream.SetLength(value); |
|||
|
|||
public override void Write(byte[] buffer, int offset, int count) => |
|||
_stream.Write(buffer, offset, count); |
|||
|
|||
protected override void Dispose(bool disposing) |
|||
{ |
|||
base.Dispose(disposing); |
|||
|
|||
if (disposing) |
|||
{ |
|||
_stream.Dispose(); |
|||
_document.Dispose(); |
|||
_url.StopAccessingSecurityScopedResource(); |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,121 @@ |
|||
using System; |
|||
using System.Diagnostics.CodeAnalysis; |
|||
using System.IO; |
|||
using System.Threading.Tasks; |
|||
using Avalonia.Logging; |
|||
using Avalonia.Platform.Storage; |
|||
using Foundation; |
|||
|
|||
using UIKit; |
|||
|
|||
#nullable enable |
|||
|
|||
namespace Avalonia.iOS.Storage; |
|||
|
|||
internal abstract class IOSStorageItem : IStorageBookmarkItem |
|||
{ |
|||
private readonly string _filePath; |
|||
|
|||
protected IOSStorageItem(NSUrl url) |
|||
{ |
|||
Url = url ?? throw new ArgumentNullException(nameof(url)); |
|||
|
|||
using (var doc = new UIDocument(url)) |
|||
{ |
|||
_filePath = doc.FileUrl?.Path ?? url.FilePathUrl.Path; |
|||
Name = doc.LocalizedName ?? Path.GetFileName(_filePath) ?? url.FilePathUrl.LastPathComponent; |
|||
} |
|||
} |
|||
|
|||
internal NSUrl Url { get; } |
|||
|
|||
public bool CanBookmark => true; |
|||
|
|||
public string Name { get; } |
|||
|
|||
public Task<StorageItemProperties> GetBasicPropertiesAsync() |
|||
{ |
|||
var attributes = NSFileManager.DefaultManager.GetAttributes(_filePath, out var error); |
|||
if (error is not null) |
|||
{ |
|||
Logger.TryGet(LogEventLevel.Error, LogArea.IOSPlatform)?. |
|||
Log(this, "GetBasicPropertiesAsync returned an error: {ErrorCode} {ErrorMessage}", error.Code, error.LocalizedFailureReason); |
|||
} |
|||
return Task.FromResult(new StorageItemProperties(attributes?.Size, (DateTime)attributes?.CreationDate, (DateTime)attributes?.ModificationDate)); |
|||
} |
|||
|
|||
public Task<IStorageFolder?> GetParentAsync() |
|||
{ |
|||
return Task.FromResult<IStorageFolder?>(new IOSStorageFolder(Url.RemoveLastPathComponent())); |
|||
} |
|||
|
|||
public Task ReleaseBookmark() |
|||
{ |
|||
// no-op
|
|||
return Task.CompletedTask; |
|||
} |
|||
|
|||
public Task<string?> SaveBookmark() |
|||
{ |
|||
try |
|||
{ |
|||
if (!Url.StartAccessingSecurityScopedResource()) |
|||
{ |
|||
return Task.FromResult<string?>(null); |
|||
} |
|||
|
|||
var newBookmark = Url.CreateBookmarkData(NSUrlBookmarkCreationOptions.SuitableForBookmarkFile, Array.Empty<string>(), null, out var bookmarkError); |
|||
if (bookmarkError is not null) |
|||
{ |
|||
Logger.TryGet(LogEventLevel.Error, LogArea.IOSPlatform)?. |
|||
Log(this, "SaveBookmark returned an error: {ErrorCode} {ErrorMessage}", bookmarkError.Code, bookmarkError.LocalizedFailureReason); |
|||
return Task.FromResult<string?>(null); |
|||
} |
|||
|
|||
return Task.FromResult<string?>( |
|||
newBookmark.GetBase64EncodedString(NSDataBase64EncodingOptions.None)); |
|||
} |
|||
finally |
|||
{ |
|||
Url.StopAccessingSecurityScopedResource(); |
|||
} |
|||
} |
|||
|
|||
public bool TryGetUri([NotNullWhen(true)] out Uri uri) |
|||
{ |
|||
uri = Url; |
|||
return uri is not null; |
|||
} |
|||
|
|||
public void Dispose() |
|||
{ |
|||
} |
|||
} |
|||
|
|||
internal sealed class IOSStorageFile : IOSStorageItem, IStorageBookmarkFile |
|||
{ |
|||
public IOSStorageFile(NSUrl url) : base(url) |
|||
{ |
|||
} |
|||
|
|||
public bool CanOpenRead => true; |
|||
|
|||
public bool CanOpenWrite => true; |
|||
|
|||
public Task<Stream> OpenRead() |
|||
{ |
|||
return Task.FromResult<Stream>(new IOSSecurityScopedStream(Url, FileAccess.Read)); |
|||
} |
|||
|
|||
public Task<Stream> OpenWrite() |
|||
{ |
|||
return Task.FromResult<Stream>(new IOSSecurityScopedStream(Url, FileAccess.Write)); |
|||
} |
|||
} |
|||
|
|||
internal sealed class IOSStorageFolder : IOSStorageItem, IStorageBookmarkFolder |
|||
{ |
|||
public IOSStorageFolder(NSUrl url) : base(url) |
|||
{ |
|||
} |
|||
} |
|||
@ -0,0 +1,212 @@ |
|||
using System; |
|||
using System.Linq; |
|||
using System.Collections.Generic; |
|||
using System.Diagnostics; |
|||
using System.Threading.Tasks; |
|||
using Avalonia.Logging; |
|||
using Avalonia.Platform.Storage; |
|||
using UIKit; |
|||
using Foundation; |
|||
using UniformTypeIdentifiers; |
|||
using UTTypeLegacy = MobileCoreServices.UTType; |
|||
using UTType = UniformTypeIdentifiers.UTType; |
|||
|
|||
#nullable enable |
|||
|
|||
namespace Avalonia.iOS.Storage; |
|||
|
|||
internal class IOSStorageProvider : IStorageProvider |
|||
{ |
|||
private readonly AvaloniaView _view; |
|||
public IOSStorageProvider(AvaloniaView view) |
|||
{ |
|||
_view = view; |
|||
} |
|||
|
|||
public bool CanOpen => true; |
|||
|
|||
public bool CanSave => false; |
|||
|
|||
public bool CanPickFolder => true; |
|||
|
|||
public async Task<IReadOnlyList<IStorageFile>> OpenFilePickerAsync(FilePickerOpenOptions options) |
|||
{ |
|||
UIDocumentPickerViewController documentPicker; |
|||
if (OperatingSystem.IsIOSVersionAtLeast(14)) |
|||
{ |
|||
var allowedUtis = options.FileTypeFilter?.SelectMany(f => |
|||
{ |
|||
// We check for OS version outside of the lambda, it's safe.
|
|||
#pragma warning disable CA1416
|
|||
if (f.AppleUniformTypeIdentifiers?.Any() == true) |
|||
{ |
|||
return f.AppleUniformTypeIdentifiers.Select(id => UTType.CreateFromIdentifier(id)); |
|||
} |
|||
if (f.MimeTypes?.Any() == true) |
|||
{ |
|||
return f.MimeTypes.Select(id => UTType.CreateFromMimeType(id)); |
|||
} |
|||
return Array.Empty<UTType>(); |
|||
#pragma warning restore CA1416
|
|||
}) |
|||
.Where(id => id is not null) |
|||
.ToArray() ?? new[] |
|||
{ |
|||
UTTypes.Content, |
|||
UTTypes.Item, |
|||
UTTypes.Data |
|||
}; |
|||
documentPicker = new UIDocumentPickerViewController(allowedUtis!, false); |
|||
} |
|||
else |
|||
{ |
|||
var allowedUtis = options.FileTypeFilter?.SelectMany(f => f.AppleUniformTypeIdentifiers ?? Array.Empty<string>()) |
|||
.ToArray() ?? new[] |
|||
{ |
|||
UTTypeLegacy.Content, |
|||
UTTypeLegacy.Item, |
|||
"public.data" |
|||
}; |
|||
documentPicker = new UIDocumentPickerViewController(allowedUtis, UIDocumentPickerMode.Open); |
|||
} |
|||
|
|||
using (documentPicker) |
|||
{ |
|||
if (OperatingSystem.IsIOSVersionAtLeast(13)) |
|||
{ |
|||
documentPicker.DirectoryUrl = GetUrlFromFolder(options.SuggestedStartLocation); |
|||
} |
|||
|
|||
if (OperatingSystem.IsIOSVersionAtLeast(11, 0)) |
|||
{ |
|||
documentPicker.AllowsMultipleSelection = options.AllowMultiple; |
|||
} |
|||
|
|||
var urls = await ShowPicker(documentPicker); |
|||
return urls.Select(u => new IOSStorageFile(u)).ToArray(); |
|||
} |
|||
} |
|||
|
|||
public Task<IStorageBookmarkFile?> OpenFileBookmarkAsync(string bookmark) |
|||
{ |
|||
return Task.FromResult<IStorageBookmarkFile?>(GetBookmarkedUrl(bookmark) is { } url |
|||
? new IOSStorageFile(url) : null); |
|||
} |
|||
|
|||
public Task<IStorageBookmarkFolder?> OpenFolderBookmarkAsync(string bookmark) |
|||
{ |
|||
return Task.FromResult<IStorageBookmarkFolder?>(GetBookmarkedUrl(bookmark) is { } url |
|||
? new IOSStorageFolder(url) : null); |
|||
} |
|||
|
|||
public Task<IStorageFile?> SaveFilePickerAsync(FilePickerSaveOptions options) |
|||
{ |
|||
return Task.FromException<IStorageFile?>( |
|||
new PlatformNotSupportedException("Save file picker is not supported by iOS")); |
|||
} |
|||
|
|||
public async Task<IReadOnlyList<IStorageFolder>> OpenFolderPickerAsync(FolderPickerOpenOptions options) |
|||
{ |
|||
using var documentPicker = OperatingSystem.IsIOSVersionAtLeast(14) ? |
|||
new UIDocumentPickerViewController(new[] { UTTypes.Folder }, false) : |
|||
new UIDocumentPickerViewController(new string[] { UTTypeLegacy.Folder }, UIDocumentPickerMode.Open); |
|||
|
|||
if (OperatingSystem.IsIOSVersionAtLeast(13)) |
|||
{ |
|||
documentPicker.DirectoryUrl = GetUrlFromFolder(options.SuggestedStartLocation); |
|||
} |
|||
|
|||
if (OperatingSystem.IsIOSVersionAtLeast(11)) |
|||
{ |
|||
documentPicker.AllowsMultipleSelection = options.AllowMultiple; |
|||
} |
|||
|
|||
var urls = await ShowPicker(documentPicker); |
|||
return urls.Select(u => new IOSStorageFolder(u)).ToArray(); |
|||
} |
|||
|
|||
private static NSUrl? GetUrlFromFolder(IStorageFolder? folder) |
|||
{ |
|||
if (folder is IOSStorageFolder iosFolder) |
|||
{ |
|||
return iosFolder.Url; |
|||
} |
|||
|
|||
if (folder?.TryGetUri(out var fullPath) == true) |
|||
{ |
|||
return fullPath; |
|||
} |
|||
|
|||
return null; |
|||
} |
|||
|
|||
private Task<NSUrl[]> ShowPicker(UIDocumentPickerViewController documentPicker) |
|||
{ |
|||
var tcs = new TaskCompletionSource<NSUrl[]>(); |
|||
documentPicker.Delegate = new PickerDelegate(urls => tcs.TrySetResult(urls)); |
|||
|
|||
if (documentPicker.PresentationController != null) |
|||
{ |
|||
documentPicker.PresentationController.Delegate = |
|||
new UIPresentationControllerDelegate(() => tcs.TrySetResult(Array.Empty<NSUrl>())); |
|||
} |
|||
|
|||
var controller = _view.Window?.RootViewController ?? throw new InvalidOperationException("RootViewController wasn't initialized"); |
|||
controller.PresentViewController(documentPicker, true, null); |
|||
|
|||
return tcs.Task; |
|||
} |
|||
|
|||
private NSUrl? GetBookmarkedUrl(string bookmark) |
|||
{ |
|||
var url = NSUrl.FromBookmarkData(new NSData(bookmark, NSDataBase64DecodingOptions.None), |
|||
NSUrlBookmarkResolutionOptions.WithoutUI, null, out var isStale, out var error); |
|||
if (isStale) |
|||
{ |
|||
Logger.TryGet(LogEventLevel.Warning, LogArea.IOSPlatform)?.Log(this, "Stale bookmark detected"); |
|||
} |
|||
|
|||
if (error != null) |
|||
{ |
|||
throw new NSErrorException(error); |
|||
} |
|||
return url; |
|||
} |
|||
|
|||
private class PickerDelegate : UIDocumentPickerDelegate |
|||
{ |
|||
private readonly Action<NSUrl[]>? _pickHandler; |
|||
|
|||
internal PickerDelegate(Action<NSUrl[]> pickHandler) |
|||
=> _pickHandler = pickHandler; |
|||
|
|||
public override void WasCancelled(UIDocumentPickerViewController controller) |
|||
=> _pickHandler?.Invoke(Array.Empty<NSUrl>()); |
|||
|
|||
public override void DidPickDocument(UIDocumentPickerViewController controller, NSUrl[] urls) |
|||
=> _pickHandler?.Invoke(urls); |
|||
|
|||
public override void DidPickDocument(UIDocumentPickerViewController controller, NSUrl url) |
|||
=> _pickHandler?.Invoke(new[] { url }); |
|||
} |
|||
|
|||
private class UIPresentationControllerDelegate : UIAdaptivePresentationControllerDelegate |
|||
{ |
|||
private Action? _dismissHandler; |
|||
|
|||
internal UIPresentationControllerDelegate(Action dismissHandler) |
|||
=> this._dismissHandler = dismissHandler; |
|||
|
|||
public override void DidDismiss(UIPresentationController presentationController) |
|||
{ |
|||
_dismissHandler?.Invoke(); |
|||
_dismissHandler = null; |
|||
} |
|||
|
|||
protected override void Dispose(bool disposing) |
|||
{ |
|||
_dismissHandler?.Invoke(); |
|||
base.Dispose(disposing); |
|||
} |
|||
} |
|||
} |
|||
Loading…
Reference in new issue