// -------------------------------------------------------------------------------------------------------------------- // // This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License. // // // The Preview View Model // // -------------------------------------------------------------------------------------------------------------------- namespace HandBrakeWPF.ViewModels { using System; using System.Collections.Generic; using System.ComponentModel; using System.Diagnostics; using System.IO; using System.Linq; using System.Windows; using Caliburn.Micro; using HandBrakeWPF.EventArgs; using HandBrakeWPF.Properties; using HandBrakeWPF.Services.Interfaces; using HandBrakeWPF.Services.Queue.Interfaces; using HandBrakeWPF.Services.Queue.Model; using HandBrakeWPF.Utilities; using HandBrakeWPF.ViewModels.Interfaces; using Microsoft.Win32; using EncodeCompletedEventArgs = Services.Encode.EventArgs.EncodeCompletedEventArgs; using EncodeProgressEventArgs = Services.Encode.EventArgs.EncodeProgressEventArgs; /// /// The Preview View Model /// public class QueueViewModel : ViewModelBase, IQueueViewModel { #region Constants and Fields private readonly IErrorService errorService; private readonly IUserSettingService userSettingService; private readonly IQueueProcessor queueProcessor; private string jobStatus; private string jobsPending; private string whenDoneAction; private QueueTask selectedTask; private bool isQueueRunning; private double progressValue; private bool intermediateProgress; private bool showEncodeProgress; #endregion #region Constructors and Destructors /// /// Initializes a new instance of the class. /// /// /// The user Setting Service. /// /// /// The Queue Processor Service /// /// /// The Error Service /// public QueueViewModel(IUserSettingService userSettingService, IQueueProcessor queueProcessor, IErrorService errorService) { this.userSettingService = userSettingService; this.queueProcessor = queueProcessor; this.errorService = errorService; this.Title = Resources.QueueViewModel_Queue; this.JobsPending = Resources.QueueViewModel_NoEncodesPending; this.JobStatus = Resources.QueueViewModel_NoJobsPending; this.SelectedItems = new BindingList(); this.DisplayName = "Queue"; this.IsQueueRunning = false; this.WhenDoneAction = this.userSettingService.GetUserSetting(UserSettingConstants.WhenCompleteAction); } #endregion #region Properties /// /// Gets or sets a value indicating whether the Queue is paused or not.. /// public bool IsQueueRunning { get { return this.isQueueRunning; } set { if (value == this.isQueueRunning) return; this.isQueueRunning = value; this.NotifyOfPropertyChange(() => this.IsQueueRunning); } } /// /// Gets or sets JobStatus. /// public string JobStatus { get { return this.jobStatus; } set { this.jobStatus = value; this.NotifyOfPropertyChange(() => this.JobStatus); } } /// /// Gets or sets JobsPending. /// public string JobsPending { get { return this.jobsPending; } set { this.jobsPending = value; this.NotifyOfPropertyChange(() => this.JobsPending); } } /// /// Gets or sets WhenDoneAction. /// public string WhenDoneAction { get { return this.whenDoneAction; } set { this.whenDoneAction = value; this.NotifyOfPropertyChange(() => this.WhenDoneAction); } } /// /// Gets the queue tasks. /// public BindingList QueueTasks { get { return this.queueProcessor.Queue; } } /// /// Gets or sets the selected items. /// public BindingList SelectedItems { get; set; } public QueueTask SelectedTask { get { return this.selectedTask; } set { if (Equals(value, this.selectedTask)) return; this.selectedTask = value; this.NotifyOfPropertyChange(() => this.SelectedTask); this.HandleLogData(); this.NotifyOfPropertyChange(() => this.CanRetryJob); this.NotifyOfPropertyChange(() => this.CanEditJob); this.NotifyOfPropertyChange(() => this.CanRemoveJob); this.NotifyOfPropertyChange(() => this.StatsVisible); } } public string ActivityLog { get; private set; } public bool CanRetryJob => this.SelectedTask != null && this.SelectedTask.Status != QueueItemStatus.Waiting; public bool CanEditJob => this.SelectedTask != null; public bool CanRemoveJob => this.SelectedTask != null; public double ProgressValue { get => this.progressValue; set { if (value == this.progressValue) return; this.progressValue = value; this.NotifyOfPropertyChange(() => this.ProgressValue); } } public bool IntermediateProgress { get => this.intermediateProgress; set { if (value == this.intermediateProgress) return; this.intermediateProgress = value; this.NotifyOfPropertyChange(() => this.IntermediateProgress); } } public bool ShowEncodeProgress { get => this.showEncodeProgress; set { if (value == this.showEncodeProgress) return; this.showEncodeProgress = value; this.NotifyOfPropertyChange(() => this.ShowEncodeProgress); } } public bool IsNewQueueVisible { get; set; } public bool IsInline { get; set; } public bool StatsVisible { get { if (this.SelectedTask != null && (this.selectedTask.Status == QueueItemStatus.Completed || this.selectedTask.Status == QueueItemStatus.Error)) { return true; } return false; } } #endregion #region Public Methods /// /// Update the When Done Setting /// /// /// The action. /// public void WhenDone(string action) { this.WhenDone(action, true); } /// /// Update the When Done Setting /// /// /// The action. /// /// /// Save the change to the setting. Use false when updating UI. /// public void WhenDone(string action, bool saveChange) { this.WhenDoneAction = action; if (saveChange) { this.userSettingService.SetUserSetting(UserSettingConstants.WhenCompleteAction, action); } IOptionsViewModel ovm = IoC.Get(); ovm.UpdateSettings(); } /// /// Clear the Queue /// public void Clear() { MessageBoxResult result = this.errorService.ShowMessageBox( Resources.QueueViewModel_ClearQueueConfrimation, Resources.Confirm, MessageBoxButton.YesNo, MessageBoxImage.Warning); if (result == MessageBoxResult.Yes) { this.queueProcessor.Clear(); } } /// /// Clear Completed Items /// public void ClearCompleted() { this.queueProcessor.ClearCompleted(); } /// /// Close this window. /// public void Close() { this.TryClose(); } /// /// Handle the On Window Load /// public override void OnLoad() { // Setup the window to the correct state. this.IsQueueRunning = this.queueProcessor.EncodeService.IsEncoding; this.JobsPending = string.Format(Resources.QueueViewModel_JobsPending, this.queueProcessor.Count); base.OnLoad(); } /// /// Can Pause the Queue. /// Used by Caliburn Micro to enable/disable the context menu item. /// /// /// True when we can pause the queue. /// public bool CanPauseQueue() { return this.IsQueueRunning; } /// /// Pause the Queue /// public void PauseQueue() { this.queueProcessor.Pause(); this.JobStatus = Resources.QueueViewModel_QueuePending; this.JobsPending = string.Format(Resources.QueueViewModel_JobsPending, this.queueProcessor.Count); this.IsQueueRunning = false; MessageBox.Show(Resources.QueueViewModel_QueuePauseNotice, Resources.QueueViewModel_Queue, MessageBoxButton.OK, MessageBoxImage.Information); } /// /// Pause the Queue /// /// /// Prevents evaluation of CanPauseQueue /// public void PauseQueueToolbar() { this.PauseQueue(); } /// /// The remove selected jobs. /// public void RemoveSelectedJobs() { MessageBoxResult result = this.errorService.ShowMessageBox( Resources.QueueViewModel_DelSelectedJobConfirmation, Resources.Question, MessageBoxButton.YesNo, MessageBoxImage.Question); if (result == MessageBoxResult.No) { return; } List tasksToRemove = this.SelectedItems.ToList(); foreach (QueueTask job in tasksToRemove) { this.RemoveJob(job); } } /// /// Remove a Job from the queue /// /// /// The Job to remove from the queue /// public void RemoveJob(object queueTask) { QueueTask task = queueTask as QueueTask; if (task == null) { return; } bool removed = false; int index = this.QueueTasks.IndexOf(task); if (task.Status == QueueItemStatus.InProgress) { MessageBoxResult result = this.errorService.ShowMessageBox( Resources.QueueViewModel_JobCurrentlyRunningWarning, Resources.Warning, MessageBoxButton.YesNo, MessageBoxImage.Question); if (result == MessageBoxResult.Yes) { this.queueProcessor.EncodeService.Stop(); this.queueProcessor.Remove(task); removed = true; } } else { this.queueProcessor.Remove(task); removed = true; } if (this.QueueTasks.Any() && removed) { this.SelectedTask = index > 1 ? this.QueueTasks[index - 1] : this.QueueTasks.FirstOrDefault(); } } /// /// Reset the job state to waiting. /// /// /// The task. /// public void RetryJob(QueueTask task) { task.Status = QueueItemStatus.Waiting; this.queueProcessor.BackupQueue(null); this.JobsPending = string.Format(Resources.QueueViewModel_JobsPending, this.queueProcessor.Count); this.NotifyOfPropertyChange(() => this.CanRetryJob); } /// /// Start Encode /// public void StartQueue() { if (!this.QueueTasks.Any(a => a.Status == QueueItemStatus.Waiting || a.Status == QueueItemStatus.InProgress)) { this.errorService.ShowMessageBox( Resources.QueueViewModel_NoPendingJobs, Resources.Error, MessageBoxButton.OK, MessageBoxImage.Error); return; } var firstOrDefault = this.QueueTasks.FirstOrDefault(s => s.Status == QueueItemStatus.Waiting); if (firstOrDefault != null && !DriveUtilities.HasMinimumDiskSpace(firstOrDefault.Task.Destination, this.userSettingService.GetUserSetting(UserSettingConstants.PauseOnLowDiskspaceLevel))) { this.errorService.ShowMessageBox(Resources.Main_LowDiskspace, Resources.Error, MessageBoxButton.OK, MessageBoxImage.Error); return; } this.JobStatus = Resources.QueueViewModel_QueueStarted; this.JobsPending = string.Format(Resources.QueueViewModel_JobsPending, this.queueProcessor.Count); this.IsQueueRunning = true; this.queueProcessor.Start(userSettingService.GetUserSetting(UserSettingConstants.ClearCompletedFromQueue)); } /// /// Export the Queue to a file. /// public void Export() { SaveFileDialog dialog = new SaveFileDialog { Filter = "Json (*.json)|*.json", OverwritePrompt = true, DefaultExt = ".json", AddExtension = true }; if (dialog.ShowDialog() == true) { this.queueProcessor.ExportJson(dialog.FileName); } } /// /// Import a saved queue /// public void Import() { OpenFileDialog dialog = new OpenFileDialog { Filter = "Json (*.json)|*.json", CheckFileExists = true }; if (dialog.ShowDialog() == true) { this.queueProcessor.ImportJson(dialog.FileName); } } /// /// Edit this Job /// /// /// The task. /// public void EditJob(QueueTask task) { MessageBoxResult result = this.errorService.ShowMessageBox( Resources.QueueViewModel_EditConfrimation, "Modify Job?", MessageBoxButton.YesNo, MessageBoxImage.Question); if (result != MessageBoxResult.Yes) { return; } // Remove the job if it is not already encoding. Let the user decide if they want to cancel or not. this.RemoveJob(task); // Pass a copy of the job back to the Main Screen IMainViewModel mvm = IoC.Get(); mvm.EditQueueJob(task); } public void OpenSourceDirectory(QueueTask task) { if (task != null) { this.OpenDirectory(task.ScannedSourcePath); } } public void OpenDestinationDirectory(QueueTask task) { if (task != null) { this.OpenDirectory(task.Task.Destination); } } public void ResetSelectedJobs() { foreach (var task in this.SelectedItems) { if (task.Status == QueueItemStatus.Completed || task.Status == QueueItemStatus.Error) { this.RetryJob(task); } } } public void ResetAllJobs() { foreach (var task in this.QueueTasks) { if (task.Status == QueueItemStatus.Completed || task.Status == QueueItemStatus.Error) { this.RetryJob(task); } } } #endregion #region Methods public void Activate() { this.OnActivate(); } public void Deactivate() { this.OnDeactivate(false); } /// /// Override the OnActive to run the Screen Loading code in the view model base. /// protected override void OnActivate() { this.Load(); this.queueProcessor.QueueCompleted += this.queueProcessor_QueueCompleted; this.queueProcessor.QueueChanged += this.QueueManager_QueueChanged; this.queueProcessor.EncodeService.EncodeStatusChanged += this.EncodeService_EncodeStatusChanged; this.queueProcessor.EncodeService.EncodeCompleted += this.EncodeService_EncodeCompleted; this.queueProcessor.JobProcessingStarted += this.QueueProcessorJobProcessingStarted; this.queueProcessor.QueuePaused += this.QueueProcessor_QueuePaused; this.JobsPending = string.Format(Resources.QueueViewModel_JobsPending, this.queueProcessor.Count); this.JobStatus = Resources.QueueViewModel_QueueReady; base.OnActivate(); } /// /// Override the Deactivate /// /// /// The close. /// protected override void OnDeactivate(bool close) { this.queueProcessor.QueueCompleted -= this.queueProcessor_QueueCompleted; this.queueProcessor.QueueChanged -= this.QueueManager_QueueChanged; this.queueProcessor.EncodeService.EncodeStatusChanged -= this.EncodeService_EncodeStatusChanged; this.queueProcessor.EncodeService.EncodeCompleted -= this.EncodeService_EncodeCompleted; this.queueProcessor.JobProcessingStarted -= this.QueueProcessorJobProcessingStarted; this.queueProcessor.QueuePaused -= this.QueueProcessor_QueuePaused; base.OnDeactivate(close); } private void OpenDirectory(string directory) { try { if (!string.IsNullOrEmpty(directory)) { if (!File.Exists(directory) && !directory.EndsWith("\\")) { directory = directory + "\\"; } directory = Path.GetDirectoryName(directory); if (directory != null && Directory.Exists(directory)) { Process.Start(directory); } } } catch (Exception exc) { this.errorService.ShowError(Resources.MainViewModel_UnableToLaunchDestDir, Resources.MainViewModel_UnableToLaunchDestDirSolution, exc); } } /// /// Open the Log file directory /// public void OpenLogDirectory() { string logDir = DirectoryUtilities.GetLogDirectory(); string windir = Environment.GetEnvironmentVariable("WINDIR"); Process prc = new Process { StartInfo = { FileName = windir + @"\explorer.exe", Arguments = logDir } }; prc.Start(); } /// /// Copy the log file to the system clipboard /// public void CopyLog() { try { Clipboard.SetDataObject(this.ActivityLog, true); } catch (Exception exc) { this.errorService.ShowError(Resources.Clipboard_Unavailable, Resources.Clipboard_Unavailable_Solution, exc); } } private void HandleLogData() { if (this.SelectedTask == null || this.SelectedTask.Status == QueueItemStatus.InProgress || this.SelectedTask.Status == QueueItemStatus.Waiting) { this.ActivityLog = ResourcesUI.QueueView_LogNotAvailableYet; } else { try { // TODO full log path if (!string.IsNullOrEmpty(this.SelectedTask.Statistics.CompletedActivityLogPath) && File.Exists(this.SelectedTask.Statistics.CompletedActivityLogPath)) { using (StreamReader logReader = new StreamReader(this.SelectedTask.Statistics.CompletedActivityLogPath)) { string logContent = logReader.ReadToEnd(); this.ActivityLog = logContent; } } else { this.ActivityLog = string.Empty; } } catch (Exception exc) { Debug.WriteLine(exc); this.ActivityLog = exc.ToString(); } } this.NotifyOfPropertyChange(() => this.ActivityLog); } /// /// Handle the Encode Status Changed Event. /// /// /// The sender. /// /// /// The EncodeProgressEventArgs. /// private void EncodeService_EncodeStatusChanged(object sender, EncodeProgressEventArgs e) { Execute.OnUIThread(() => { string jobsPending = string.Format(Resources.Main_JobsPending_addon, this.queueProcessor.Count); this.IntermediateProgress = false; if (e.IsSubtitleScan) { this.JobStatus = string.Format(Resources.MainViewModel_EncodeStatusChanged_SubScan_StatusLabel, e.Task, e.TaskCount, e.PercentComplete, e.EstimatedTimeLeft, e.ElapsedTime, jobsPending); this.ProgressValue = e.PercentComplete; } else if (e.IsMuxing) { this.JobStatus = ResourcesUI.MainView_Muxing; this.IntermediateProgress = true; } else if (e.IsSearching) { this.JobStatus = string.Format(ResourcesUI.MainView_ProgressStatusWithTask, ResourcesUI.MainView_Searching, e.PercentComplete, e.EstimatedTimeLeft, jobsPending); this.ProgressValue = e.PercentComplete; } else { this.JobStatus = string.Format(Resources.MainViewModel_EncodeStatusChanged_StatusLabel, e.Task, e.TaskCount, e.PercentComplete, e.CurrentFrameRate, e.AverageFrameRate, e.EstimatedTimeLeft, e.ElapsedTime, jobsPending); this.ProgressValue = e.PercentComplete; } }); } /// /// Handle the Queue Changed Event. /// /// /// The sender. /// /// /// The e. /// private void QueueManager_QueueChanged(object sender, EventArgs e) { this.JobsPending = string.Format(Resources.QueueViewModel_JobsPending, this.queueProcessor.Count); if (!queueProcessor.IsProcessing) { this.JobStatus = Resources.QueueViewModel_QueueNotRunning; this.IsQueueRunning = false; } this.NotifyOfPropertyChange(() => this.CanRetryJob); this.NotifyOfPropertyChange(() => this.CanEditJob); this.NotifyOfPropertyChange(() => this.CanRemoveJob); this.NotifyOfPropertyChange(() => this.StatsVisible); this.HandleLogData(); } /// /// Handle the Queue Completed Event /// /// /// The sender. /// /// /// The EventArgs. /// private void queueProcessor_QueueCompleted(object sender, EventArgs e) { this.JobStatus = Resources.QueueViewModel_QueueCompleted; this.JobsPending = string.Format(Resources.QueueViewModel_JobsPending, this.queueProcessor.Count); this.IsQueueRunning = false; } /// /// The encode service_ encode completed. /// /// /// The sender. /// /// /// The e. /// private void EncodeService_EncodeCompleted(object sender, EncodeCompletedEventArgs e) { if (!this.queueProcessor.IsProcessing) { this.JobStatus = Resources.QueueViewModel_LastJobFinished; } } /// /// The queue processor job processing started. /// /// /// The sender. /// /// /// The QueueProgressEventArgs. /// private void QueueProcessorJobProcessingStarted(object sender, QueueProgressEventArgs e) { this.JobStatus = Resources.QueueViewModel_QueueStarted; this.JobsPending = string.Format(Resources.QueueViewModel_JobsPending, this.queueProcessor.Count); this.IsQueueRunning = true; } private void QueueProcessor_QueuePaused(object sender, EventArgs e) { this.JobStatus = Resources.QueueViewModel_QueuePaused; this.JobsPending = string.Format(Resources.QueueViewModel_JobsPending, this.queueProcessor.Count); this.IsQueueRunning = false; } #endregion } }