public async Task StartDirectoryListing()
        {
            var client = await ClientService.GetClient();

            if (client == null)
            {
                return;
            }

            _continueListing = true;

            var path = PathStack.Count > 0 ? PathStack[PathStack.Count - 1].ResourceInfo.Path : "/";
            List <ResourceInfo> list = null;

            try
            {
                list = await client.List(path);
            }
            catch (ResponseError e)
            {
                ResponseErrorHandlerService.HandleException(e);
            }

            FilesAndFolders.Clear();
            Folders.Clear();
            if (list != null)
            {
                foreach (var item in list)
                {
                    FilesAndFolders.Add(new FileOrFolder(item));
                    if (item.IsDirectory())
                    {
                        Folders.Add(new FileOrFolder(item));
                    }
                }
            }

            switch (SettingsService.Instance.LocalSettings.PreviewImageDownloadMode)
            {
            case PreviewImageDownloadMode.Always:
                DownloadPreviewImages();
                break;

            case PreviewImageDownloadMode.WiFiOnly:
                var connectionProfile = NetworkInformation.GetInternetConnectionProfile();
                // connectionProfile can be null (e.g. airplane mode)
                if (connectionProfile != null && connectionProfile.IsWlanConnectionProfile)
                {
                    DownloadPreviewImages();
                }
                break;

            case PreviewImageDownloadMode.Never:
                break;

            default:
                throw new ArgumentOutOfRangeException();
            }
        }
        public async Task StartDirectoryListing(ResourceInfo resourceInfoToExclude, String viewName = null)
        {
            var client = await ClientService.GetClient();

            if (client == null || IsSelecting)
            {
                return;
            }

            _continueListing = true;

            if (PathStack.Count == 0)
            {
                PathStack.Add(new PathInfo
                {
                    ResourceInfo = new ResourceInfo()
                    {
                        Name = "Nextcloud",
                        Path = "/"
                    },
                    IsRoot = true
                });
            }

            var path = PathStack.Count > 0 ? PathStack[PathStack.Count - 1].ResourceInfo.Path : "/";
            List <ResourceInfo> list = null;

            try
            {
                if (viewName == "sharesIn" | viewName == "sharesOut" | viewName == "sharesLink")
                {
                    PathStack.Clear();
                    list = await client.GetSharesView(viewName);
                }
                else if (viewName == "favorites")
                {
                    PathStack.Clear();
                    list = await client.GetFavorites();
                }
                else
                {
                    list = await client.List(path);
                }
            }
            catch (ResponseError e)
            {
                ResponseErrorHandlerService.HandleException(e);
            }

            FilesAndFolders.Clear();
            Folders.Clear();

            if (list != null)
            {
                foreach (var item in list)
                {
                    if (resourceInfoToExclude != null && item == resourceInfoToExclude)
                    {
                        continue;
                    }

                    FilesAndFolders.Add(new FileOrFolder(item));

                    if (!item.IsDirectory)
                    {
                        continue;
                    }
                    if (RemoveResourceInfos != null)
                    {
                        var index = RemoveResourceInfos.FindIndex(res => res.Path.Equals(item.Path, StringComparison.Ordinal));
                        if (index == -1)
                        {
                            Folders.Add(new FileOrFolder(item));
                        }
                    }
                    else
                    {
                        Folders.Add(new FileOrFolder(item));
                    }
                }
            }

            switch (SettingsService.Instance.LocalSettings.PreviewImageDownloadMode)
            {
            case PreviewImageDownloadMode.Always:
                DownloadPreviewImages();
                break;

            case PreviewImageDownloadMode.WiFiOnly:
                var connectionProfile = NetworkInformation.GetInternetConnectionProfile();
                // connectionProfile can be null (e.g. airplane mode)
                if (connectionProfile != null && connectionProfile.IsWlanConnectionProfile)
                {
                    DownloadPreviewImages();
                }
                break;

            case PreviewImageDownloadMode.Never:
                break;

            default:
                throw new ArgumentOutOfRangeException();
            }

            SortList();
        }
Exemple #3
0
        public async void MemoryFriendlyGetItemsAsync(string path, Page passedPage)
        {
            TextState.isVisible = Visibility.Collapsed;
            tokenSource         = new CancellationTokenSource();
            CancellationToken token = App.ViewModel.tokenSource.Token;

            pageName       = passedPage.Name;
            Universal.path = path;
            // Personalize retrieved items for view they are displayed in
            switch (pageName)
            {
            case "GenericItemView":
                isPhotoAlbumMode = false;
                break;

            case "PhotoAlbumViewer":
                isPhotoAlbumMode = true;
                break;

            case "ClassicModePage":
                isPhotoAlbumMode = false;
                break;
            }

            if (pageName != "ClassicModePage")
            {
                FilesAndFolders.Clear();
            }

            Stopwatch stopwatch = new Stopwatch();

            stopwatch.Start();

            Universal.path = path;      // Set visible path to reflect new navigation
            try
            {
                PVIS.isVisible      = Visibility.Visible;
                TextState.isVisible = Visibility.Collapsed;
                switch (Universal.path)
                {
                case "Desktop":
                    Universal.path = MainPage.DesktopPath;
                    break;

                case "Downloads":
                    Universal.path = MainPage.DownloadsPath;
                    break;

                case "Documents":
                    Universal.path = MainPage.DocumentsPath;
                    break;

                case "Pictures":
                    Universal.path = MainPage.PicturesPath;
                    break;

                case "Music":
                    Universal.path = MainPage.MusicPath;
                    break;

                case "Videos":
                    Universal.path = MainPage.VideosPath;
                    break;

                case "OneDrive":
                    Universal.path = MainPage.OneDrivePath;
                    break;
                }

                folder = await StorageFolder.GetFolderFromPathAsync(Universal.path);

                History.AddToHistory(Universal.path);

                if (History.HistoryList.Count == 1)
                {
                    BS.isEnabled = false;
                }
                else if (History.HistoryList.Count > 1)
                {
                    BS.isEnabled = true;
                }

                QueryOptions options = new QueryOptions()
                {
                    FolderDepth   = FolderDepth.Shallow,
                    IndexerOption = IndexerOption.UseIndexerWhenAvailable
                };
                string sort = "By_Name";
                if (sort == "By_Name")
                {
                    SortEntry entry = new SortEntry()
                    {
                        AscendingOrder = true,
                        PropertyName   = "System.FileName"
                    };
                    options.SortOrder.Add(entry);
                }

                uint       index = 0;
                const uint step  = 250;
                if (!folder.AreQueryOptionsSupported(options))
                {
                    options.SortOrder.Clear();
                }

                folderQueryResult = folder.CreateFolderQueryWithOptions(options);
                IReadOnlyList <StorageFolder> folders = await folderQueryResult.GetFoldersAsync(index, step);

                int foldersCountSnapshot = folders.Count;
                while (folders.Count != 0)
                {
                    foreach (StorageFolder folder in folders)
                    {
                        if (token.IsCancellationRequested)
                        {
                            return;
                        }

                        gotFolName     = folder.Name.ToString();
                        gotFolDate     = folder.DateCreated.ToString();
                        gotFolPath     = folder.Path.ToString();
                        gotFolType     = "Folder";
                        gotFolImg      = Visibility.Visible;
                        gotFileImgVis  = Visibility.Collapsed;
                        gotEmptyImgVis = Visibility.Collapsed;


                        if (pageName == "ClassicModePage")
                        {
                            ClassicFolderList.Add(new Classic_ListedFolderItem()
                            {
                                FileName = gotFolName, FileDate = gotFolDate, FileExtension = gotFolType, FilePath = gotFolPath
                            });
                        }
                        else
                        {
                            FilesAndFolders.Add(new ListedItem()
                            {
                                EmptyImgVis = gotEmptyImgVis, ItemIndex = FilesAndFolders.Count, FileImg = null, FileIconVis = gotFileImgVis, FolderImg = gotFolImg, FileName = gotFolName, FileDate = gotFolDate, FileExtension = gotFolType, FilePath = gotFolPath
                            });
                        }
                    }
                    index  += step;
                    folders = await folderQueryResult.GetFoldersAsync(index, step);
                }

                index           = 0;
                fileQueryResult = folder.CreateFileQueryWithOptions(options);
                IReadOnlyList <StorageFile> files = await fileQueryResult.GetFilesAsync(index, step);

                int filesCountSnapshot = files.Count;
                while (files.Count != 0)
                {
                    foreach (StorageFile file in files)
                    {
                        if (token.IsCancellationRequested)
                        {
                            return;
                        }

                        gotName = file.DisplayName.ToString();
                        gotDate = file.DateCreated.ToString(); // In the future, parse date to human readable format
                        if (file.FileType.ToString() == ".exe")
                        {
                            gotType = "Executable";
                        }
                        else
                        {
                            gotType = file.DisplayType;
                        }
                        gotPath             = file.Path.ToString();
                        gotFolImg           = Visibility.Collapsed;
                        gotDotFileExtension = file.FileType;
                        if (isPhotoAlbumMode == false)
                        {
                            const uint             requestedSize    = 20;
                            const ThumbnailMode    thumbnailMode    = ThumbnailMode.ListView;
                            const ThumbnailOptions thumbnailOptions = ThumbnailOptions.UseCurrentScale;
                            try
                            {
                                gotFileImg = await file.GetThumbnailAsync(thumbnailMode, requestedSize, thumbnailOptions);

                                BitmapImage icon = new BitmapImage();
                                if (gotFileImg != null)
                                {
                                    gotEmptyImgVis = Visibility.Collapsed;
                                    icon.SetSource(gotFileImg.CloneStream());
                                }
                                else
                                {
                                    gotEmptyImgVis = Visibility.Visible;
                                }
                                gotFileImgVis = Visibility.Visible;

                                if (pageName == "ClassicModePage")
                                {
                                    ClassicFileList.Add(new ListedItem()
                                    {
                                        FileImg = icon, FileIconVis = gotFileImgVis, FolderImg = gotFolImg, FileName = gotName, FileDate = gotDate, FileExtension = gotType, FilePath = gotPath
                                    });
                                }
                                else
                                {
                                    FilesAndFolders.Add(new ListedItem()
                                    {
                                        DotFileExtension = gotDotFileExtension, EmptyImgVis = gotEmptyImgVis, FileImg = icon, FileIconVis = gotFileImgVis, FolderImg = gotFolImg, FileName = gotName, FileDate = gotDate, FileExtension = gotType, FilePath = gotPath
                                    });
                                }
                            }
                            catch
                            {
                                // Silent catch here to avoid crash
                                // TODO maybe some logging could be added in the future...
                            }
                        }
                        else
                        {
                            const uint             requestedSize    = 275;
                            const ThumbnailMode    thumbnailMode    = ThumbnailMode.PicturesView;
                            const ThumbnailOptions thumbnailOptions = ThumbnailOptions.ResizeThumbnail;
                            try
                            {
                                gotFileImg = await file.GetThumbnailAsync(thumbnailMode, requestedSize, thumbnailOptions);

                                BitmapImage icon = new BitmapImage();
                                if (gotFileImg != null)
                                {
                                    gotEmptyImgVis = Visibility.Collapsed;
                                    icon.SetSource(gotFileImg.CloneStream());
                                }
                                else
                                {
                                    gotEmptyImgVis = Visibility.Visible;
                                }
                                gotFileImgVis = Visibility.Visible;

                                if (pageName == "ClassicModePage")
                                {
                                    ClassicFileList.Add(new ListedItem()
                                    {
                                        FileImg = icon, FileIconVis = gotFileImgVis, FolderImg = gotFolImg, FileName = gotName, FileDate = gotDate, FileExtension = gotType, FilePath = gotPath
                                    });
                                }
                                else
                                {
                                    FilesAndFolders.Add(new ListedItem()
                                    {
                                        DotFileExtension = gotDotFileExtension, EmptyImgVis = gotEmptyImgVis, FileImg = icon, FileIconVis = gotFileImgVis, FolderImg = gotFolImg, FileName = gotName, FileDate = gotDate, FileExtension = gotType, FilePath = gotPath
                                    });
                                }
                            }
                            catch
                            {
                                // Silent catch here to avoid crash
                                // TODO maybe some logging could be added in the future...
                            }
                        }
                    }
                    index += step;
                    files  = await fileQueryResult.GetFilesAsync(index, step);
                }
                if (foldersCountSnapshot + filesCountSnapshot == 0)
                {
                    TextState.isVisible = Visibility.Visible;
                }
                if (pageName != "ClassicModePage")
                {
                    PVIS.isVisible = Visibility.Collapsed;
                }
                PVIS.isVisible = Visibility.Collapsed;
                stopwatch.Stop();
                Debug.WriteLine("Loading of: " + path + " completed in " + stopwatch.ElapsedMilliseconds + " Milliseconds.");
            }
            catch (UnauthorizedAccessException e)
            {
                if (path.Contains(@"C:\"))
                {
                    DisplayConsentDialog();
                }
                else
                {
                    MessageDialog unsupportedDevice = new MessageDialog("This device may be unsupported. Please file an issue report in Settings - About containing what device we couldn't access. Technical information: " + e, "Unsupported Device");
                    await unsupportedDevice.ShowAsync();
                }
                stopwatch.Stop();
                Debug.WriteLine("Loading of: " + Universal.path + " failed in " + stopwatch.ElapsedMilliseconds + " Milliseconds.");
            }
            catch (COMException e)
            {
                stopwatch.Stop();
                Debug.WriteLine("Loading of: " + Universal.path + " failed in " + stopwatch.ElapsedMilliseconds + " Milliseconds.");
                Frame         rootFrame = Window.Current.Content as Frame;
                MessageDialog driveGone = new MessageDialog(e.Message, "Drive Unplugged");
                await driveGone.ShowAsync();

                rootFrame.Navigate(typeof(MainPage), new SuppressNavigationTransitionInfo());
            }

            tokenSource = null;
        }
Exemple #4
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        public async void GetItemsAsync(string path)
        {
            Stopwatch stopwatch = new Stopwatch();

            stopwatch.Start();

            IsTerminated = false;
            PUIP.Path    = path;
            try
            {
                folder = await StorageFolder.GetFolderFromPathAsync(path);      // Set location to the current directory specified in path

                folderList = await folder.GetFoldersAsync();                    // Create a read-only list of all folders in location

                fileList = await folder.GetFilesAsync();                        // Create a read-only list of all files in location

                NumOfFolders = folderList.Count;                                // How many folders are in the list
                NumOfFiles   = fileList.Count;                                  // How many files are in the list
                NumOfItems   = NumOfFiles + NumOfFolders;
                NumItemsRead = 0;

                if (NumOfItems == 0)
                {
                    TextState.isVisible = Visibility.Visible;
                }

                PUIH.Header           = "Loading " + NumOfItems + " items";
                ButtonText.buttonText = "Hide";

                if (NumOfItems >= 250)
                {
                    PVIS.isVisible = Visibility.Visible;
                }
                if (NumOfFolders > 0)
                {
                    foreach (StorageFolder fol in folderList)
                    {
                        if (IsStopRequested)
                        {
                            IsStopRequested = false;
                            IsTerminated    = true;
                            return;
                        }
                        int ProgressReported = (NumItemsRead * 100 / NumOfItems);
                        UpdateProgUI(ProgressReported);
                        gotFolName    = fol.Name.ToString();
                        gotFolDate    = fol.DateCreated.ToString();
                        gotFolPath    = fol.Path.ToString();
                        gotFolType    = "Folder";
                        gotFolImg     = Visibility.Visible;
                        gotFileImgVis = Visibility.Collapsed;


                        if (pageName == "ClassicModePage")
                        {
                            ClassicFolderList.Add(new Classic_ListedFolderItem()
                            {
                                FileName = gotFolName, FileDate = gotFolDate, FileExtension = gotFolType, FilePath = gotFolPath
                            });
                        }
                        else
                        {
                            FilesAndFolders.Add(new ListedItem()
                            {
                                ItemIndex = FilesAndFolders.Count, FileImg = null, FileIconVis = gotFileImgVis, FolderImg = gotFolImg, FileName = gotFolName, FileDate = gotFolDate, FileExtension = gotFolType, FilePath = gotFolPath
                            });
                        }


                        NumItemsRead++;
                    }
                }

                if (NumOfFiles > 0)
                {
                    foreach (StorageFile f in fileList)
                    {
                        if (IsStopRequested)
                        {
                            IsStopRequested = false;
                            IsTerminated    = true;
                            return;
                        }
                        int ProgressReported = (NumItemsRead * 100 / NumOfItems);
                        UpdateProgUI(ProgressReported);
                        gotName = f.Name.ToString();
                        gotDate = f.DateCreated.ToString(); // In the future, parse date to human readable format
                        if (f.FileType.ToString() == ".exe")
                        {
                            gotType = "Executable";
                        }
                        else
                        {
                            gotType = f.DisplayType;
                        }
                        gotPath   = f.Path.ToString();
                        gotFolImg = Visibility.Collapsed;
                        if (isPhotoAlbumMode == false)
                        {
                            const uint             requestedSize    = 20;
                            const ThumbnailMode    thumbnailMode    = ThumbnailMode.ListView;
                            const ThumbnailOptions thumbnailOptions = ThumbnailOptions.UseCurrentScale;
                            gotFileImg = await f.GetThumbnailAsync(thumbnailMode, requestedSize, thumbnailOptions);
                        }
                        else
                        {
                            const uint             requestedSize    = 275;
                            const ThumbnailMode    thumbnailMode    = ThumbnailMode.PicturesView;
                            const ThumbnailOptions thumbnailOptions = ThumbnailOptions.ResizeThumbnail;
                            gotFileImg = await f.GetThumbnailAsync(thumbnailMode, requestedSize, thumbnailOptions);
                        }

                        BitmapImage icon = new BitmapImage();
                        if (gotFileImg != null)
                        {
                            icon.SetSource(gotFileImg.CloneStream());
                        }
                        gotFileImgVis = Visibility.Visible;

                        if (pageName == "ClassicModePage")
                        {
                            ClassicFileList.Add(new ListedItem()
                            {
                                FileImg = icon, FileIconVis = gotFileImgVis, FolderImg = gotFolImg, FileName = gotName, FileDate = gotDate, FileExtension = gotType, FilePath = gotPath
                            });
                        }
                        else
                        {
                            FilesAndFolders.Add(new ListedItem()
                            {
                                FileImg = icon, FileIconVis = gotFileImgVis, FolderImg = gotFolImg, FileName = gotName, FileDate = gotDate, FileExtension = gotType, FilePath = gotPath
                            });
                        }
                        NumItemsRead++;
                    }
                }
                if (pageName != "ClassicModePage")
                {
                    PVIS.isVisible = Visibility.Collapsed;
                }

                IsTerminated = true;
            }
            catch (UnauthorizedAccessException)
            {
                DisplayConsentDialog();
            }
            stopwatch.Stop();
            Debug.WriteLine("Loading of: " + path + " completed in " + stopwatch.ElapsedMilliseconds + " Milliseconds.");
        }