1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
|
// --------------------------------------------------------------------------------------------------------------------
// <copyright file="PresetService.cs" company="HandBrake Project (http://handbrake.fr)">
// This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
// </copyright>
// <summary>
// The preset service manages HandBrake's presets
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrakeWPF.Services.Presets
{
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Windows;
using System.Xml.Serialization;
using HandBrake.ApplicationServices.Interop;
using HandBrake.ApplicationServices.Interop.Json.Presets;
using HandBrake.ApplicationServices.Model;
using HandBrake.ApplicationServices.Utilities;
using HandBrakeWPF.Factories;
using HandBrakeWPF.Model.Picture;
using HandBrakeWPF.Properties;
using HandBrakeWPF.Services.Encode.Model.Models;
using HandBrakeWPF.Services.Interfaces;
using HandBrakeWPF.Services.Presets.Factories;
using HandBrakeWPF.Services.Presets.Interfaces;
using HandBrakeWPF.Services.Presets.Model;
using HandBrakeWPF.Utilities;
using Newtonsoft.Json;
using GeneralApplicationException = HandBrakeWPF.Exceptions.GeneralApplicationException;
/// <summary>
/// The preset service manages HandBrake's presets
/// </summary>
public class PresetService : IPresetService
{
#region Private Variables
private static readonly int CurrentPresetVersion = 5;
/// <summary>
/// User Preset Default Catgory Name
/// </summary>
public static string UserPresetCatgoryName = "User Presets";
/// <summary>
/// The User Preset file
/// </summary>
private readonly string userPresetFile = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\user_presets.json";
/// <summary>
/// The Legacy Preset file
/// </summary>
private readonly string legacyUserPresetFile = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\user_presets.xml";
/// <summary>
/// The Built In Presets File
/// </summary>
private readonly string builtInPresetFile = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\presets.json";
/// <summary>
/// A Collection of presets
/// </summary>
private readonly ObservableCollection<Preset> presets = new ObservableCollection<Preset>();
/// <summary>
/// The Error Service.
/// </summary>
private readonly IErrorService errorService;
#endregion
/// <summary>
/// Initializes a new instance of the <see cref="PresetService"/> class.
/// </summary>
/// <param name="errorService">
/// The error service.
/// </param>
public PresetService(IErrorService errorService)
{
this.errorService = errorService;
}
/// <summary>
/// Gets a Collection of presets.
/// </summary>
public ObservableCollection<Preset> Presets
{
get
{
return this.presets;
}
}
/// <summary>
/// Gets or sets LastPresetAdded.
/// </summary>
public Preset LastPresetAdded { get; set; }
/// <summary>
/// Gets the DefaultPreset.
/// </summary>
public Preset DefaultPreset
{
get
{
return this.presets.FirstOrDefault(p => p.IsDefault);
}
}
#region Public Methods
/// <summary>
/// The load.
/// </summary>
public void Load()
{
// If the preset file doesn't exist. Create it.
if (!File.Exists(this.builtInPresetFile))
{
this.UpdateBuiltInPresets();
}
// Load the presets from file
this.LoadPresets();
// Check they are up-to-date.
if (this.CheckIfPresetsAreOutOfDate())
{
this.UpdateBuiltInPresets();
this.LoadPresets(); // Reload again.
}
}
/// <summary>
/// Add a new preset to the system.
/// Performs an Update if it already exists
/// </summary>
/// <param name="preset">
/// A Preset to add
/// </param>
/// <returns>
/// True if added,
/// False if name already exists
/// </returns>
public bool Add(Preset preset)
{
if (this.CheckIfPresetExists(preset.Name) == false)
{
this.presets.Add(preset);
this.LastPresetAdded = preset;
// Update the presets file
this.UpdatePresetFiles();
return true;
}
this.Update(preset);
return true;
}
/// <summary>
/// The import.
/// </summary>
/// <param name="filename">
/// The filename.
/// </param>
public void Import(string filename)
{
// TODO needs a tidy up but will do for now.
if (!string.IsNullOrEmpty(filename))
{
PresetTransportContainer container = HandBrakePresetService.GetPresetFromFile(filename);
if (container == null || container.PresetList == null || container.PresetList.Count == 0)
{
this.errorService.ShowError(Resources.Main_PresetImportFailed, Resources.Main_PresetImportFailedSolution, string.Empty);
return;
}
HBPreset hbPreset = container.PresetList.FirstOrDefault();
Preset preset = null;
try
{
preset = JsonPresetFactory.ImportPreset(hbPreset);
preset.Category = UserPresetCatgoryName;
// IF we are using Source Max, Set the Max Width / Height values.
if (preset.PictureSettingsMode == PresetPictureSettingsMode.SourceMaximum)
{
preset.Task.MaxWidth = preset.Task.Height;
preset.Task.MaxHeight = preset.Task.Width;
}
}
catch (Exception exc)
{
this.errorService.ShowError(Resources.Main_PresetImportFailed, Resources.Main_PresetImportFailedSolution, exc);
}
if (preset == null)
{
this.errorService.ShowError(Resources.Main_PresetImportFailed, Resources.Main_PresetImportFailedSolution, string.Empty);
return;
}
// TODO Better version checking.
if (this.CheckIfPresetExists(preset.Name))
{
if (!CanUpdatePreset(preset.Name))
{
MessageBox.Show(Resources.Main_PresetErrorBuiltInName, Resources.Error, MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
MessageBoxResult result = MessageBox.Show(Resources.Main_PresetOverwriteWarning, Resources.Overwrite, MessageBoxButton.YesNo, MessageBoxImage.Warning);
if (result == MessageBoxResult.Yes)
{
Update(preset);
}
}
else
{
Add(preset);
}
}
}
/// <summary>
/// The export.
/// </summary>
/// <param name="filename">
/// The filename.
/// </param>
/// <param name="preset">
/// The preset.
/// </param>
/// <param name="configuration">
/// The configuration.
/// </param>
public void Export(string filename, Preset preset, HBConfiguration configuration)
{
PresetTransportContainer container = JsonPresetFactory.ExportPreset(preset, configuration);
HandBrakePresetService.ExportPreset(filename, container);
}
/// <summary>
/// Update a preset
/// </summary>
/// <param name="update">
/// The updated preset
/// </param>
public void Update(Preset update)
{
// TODO - Change this to be a lookup
foreach (Preset preset in this.presets)
{
if (preset.Name == update.Name)
{
preset.Task = update.Task;
preset.PictureSettingsMode = update.PictureSettingsMode;
preset.Category = update.Category;
preset.Description = update.Description;
preset.AudioTrackBehaviours = update.AudioTrackBehaviours;
preset.SubtitleTrackBehaviours = update.SubtitleTrackBehaviours;
// Update the presets file
this.UpdatePresetFiles();
break;
}
}
}
/// <summary>
/// Remove a preset with a given name from either the built in or user preset list.
/// </summary>
/// <param name="preset">
/// The Preset to remove
/// </param>
public void Remove(Preset preset)
{
if (preset == null || preset.IsDefault)
{
return;
}
this.presets.Remove(preset);
this.UpdatePresetFiles();
}
/// <summary>
/// Remove a group of presets by category
/// </summary>
/// <param name="category">
/// The Category to remove
/// </param>
public void RemoveGroup(string category)
{
List<Preset> removeList = this.presets.Where(p => p.Category == category).ToList();
foreach (Preset preset in removeList)
{
if (preset.IsDefault)
{
// Skip default preset
continue;
}
this.presets.Remove(preset);
}
this.UpdatePresetFiles();
}
/// <summary>
/// Set Default Preset
/// </summary>
/// <param name="name">
/// The name.
/// </param>
public void SetDefault(Preset name)
{
foreach (Preset preset in this.presets)
{
preset.IsDefault = false;
}
name.IsDefault = true;
this.UpdatePresetFiles();
}
/// <summary>
/// Get a Preset
/// </summary>
/// <param name="name">
/// The name of the preset to get
/// </param>
/// <returns>
/// A Preset or null object
/// </returns>
public Preset GetPreset(string name)
{
return this.presets.FirstOrDefault(item => item.Name == name);
}
/// <summary>
/// Clear Built-in Presets
/// </summary>
public void ClearBuiltIn()
{
List<Preset> remove = this.presets.Where(p => p.IsBuildIn).ToList();
foreach (Preset preset in remove)
{
this.presets.Remove(preset);
}
}
/// <summary>
/// Clear all presets
/// </summary>
public void ClearAll()
{
this.presets.Clear();
}
/// <summary>
/// Reads the CLI's CLI output format and load's them into the preset List Preset
/// </summary>
public void UpdateBuiltInPresets()
{
// Clear the current built in Presets and now parse the tempory Presets file.
this.ClearBuiltIn();
IList<PresetCategory> presetCategories = HandBrakePresetService.GetBuiltInPresets();
foreach (var item in presetCategories)
{
foreach (var hbpreset in item.ChildrenArray)
{
Preset preset = JsonPresetFactory.ImportPreset(hbpreset);
preset.Version = VersionHelper.GetVersion();
preset.IsBuildIn = true; // Older versions did not have this flag so explicitly make sure it is set.
preset.Category = item.PresetName;
if (preset.Name == "iPod")
{
preset.Task.KeepDisplayAspect = true;
}
preset.Task.AllowedPassthruOptions = new AllowedPassthru(true); // We don't want to override the built-in preset
if (preset.Name == "Normal")
{
preset.IsDefault = true;
}
this.presets.Add(preset);
}
}
// Verify we have presets.
if (this.presets.Count == 0)
{
throw new GeneralApplicationException("Failed to load built-in presets.", "Restarting HandBrake may resolve this issue", null);
}
// Store the changes to disk
this.UpdatePresetFiles();
}
/// <summary>
/// Check if the built in Presets stored are not out of date.
/// Update them if they are.
/// </summary>
/// <returns>true if out of date</returns>
public bool CheckIfPresetsAreOutOfDate()
{
// Update built-in Presets if the built-in Presets belong to an older version.
if (this.presets.Count != 0)
{
List<Preset> preset = this.presets.Where(p => p.IsBuildIn).ToList();
if (preset.Count > 0)
{
if (preset[0].Version != VersionHelper.GetVersion())
{
this.UpdateBuiltInPresets();
return true;
}
}
}
return false;
}
/// <summary>
/// Check if the preset "name" exists in either Presets or UserPresets lists.
/// </summary>
/// <param name="name">
/// Name of the preset
/// </param>
/// <returns>
/// True if found
/// </returns>
public bool CheckIfPresetExists(string name)
{
return name == string.Empty || this.presets.Any(item => item.Name == name);
}
/// <summary>
/// Returns a value if the preset can be updated / resaved
/// </summary>
/// <param name="name">
/// The name.
/// </param>
/// <returns>
/// True if it's not a built-in preset, false otherwise.
/// </returns>
public bool CanUpdatePreset(string name)
{
return this.presets.Where(preset => preset.Name == name).Any(preset => preset.IsBuildIn == false);
}
#endregion
#region Private Helpers
/// <summary>
/// Recover from a courrpted preset file
/// Add .old to the current filename, and delete the current file.
/// </summary>
/// <param name="file">
/// The broken presets file.
/// </param>
/// <returns>
/// The <see cref="string"/>.
/// </returns>
private static string RecoverFromCorruptedPresetFile(string file)
{
try
{
// Recover from Error.
string disabledFile = string.Format("{0}.{1}", file, GeneralUtilities.ProcessId);
if (File.Exists(file))
{
File.Move(file, disabledFile);
if (File.Exists(file))
{
File.Delete(file);
}
}
return disabledFile;
}
catch (IOException)
{
// Give up
}
return "Sorry, the archiving failed.";
}
/// <summary>
/// Load in the Built-in and User presets into the collection
/// </summary>
private void LoadPresets()
{
// First clear the Presets arraylists
this.presets.Clear();
// Load in the Presets from Presets.xml
try
{
if (File.Exists(this.builtInPresetFile))
{
using (StreamReader reader = new StreamReader(this.builtInPresetFile))
{
// New Preset Format.
IList<PresetCategory> presetCategories = JsonConvert.DeserializeObject<IList<PresetCategory>>(reader.ReadToEnd());
foreach (var item in presetCategories)
{
foreach (var hbpreset in item.ChildrenArray)
{
Preset preset = JsonPresetFactory.ImportPreset(hbpreset);
preset.Category = item.PresetName;
preset.IsBuildIn = true;
// IF we are using Source Max, Set the Max Width / Height values.
if (preset.PictureSettingsMode == PresetPictureSettingsMode.SourceMaximum)
{
preset.Task.MaxWidth = preset.Task.Height;
preset.Task.MaxHeight = preset.Task.Width;
}
this.presets.Add(preset);
}
}
}
}
}
catch (Exception)
{
RecoverFromCorruptedPresetFile(this.builtInPresetFile);
this.UpdateBuiltInPresets();
}
// Load in the users Presets from UserPresets.xml
try
{
// Handle Legacy Preset Format.
bool updatePresets = false;
if (File.Exists(this.legacyUserPresetFile))
{
using (StreamReader reader = new StreamReader(this.legacyUserPresetFile))
{
try
{
XmlSerializer Ser = new XmlSerializer(typeof(List<Preset>));
var oldPresets = (List<Preset>)Ser.Deserialize(reader);
foreach (Preset oldPreset in oldPresets)
{
this.presets.Add(oldPreset);
}
updatePresets = true;
}
catch (Exception exc)
{
// Do Nothing
Debug.WriteLine(exc);
}
}
// Archive the old file incase the user needs it.
File.Move(this.legacyUserPresetFile, this.legacyUserPresetFile + ".archive." + GeneralUtilities.ProcessId);
}
// New JSON Format.
if (File.Exists(this.userPresetFile))
{
// New Preset Format.
bool createBackup = false;
PresetTransportContainer presetContainer = null;
using (StreamReader reader = new StreamReader(this.userPresetFile))
{
try
{
presetContainer = JsonConvert.DeserializeObject<PresetTransportContainer>(reader.ReadToEnd());
}
catch (Exception exc)
{
createBackup = true;
Debug.WriteLine(exc);
}
}
// If we have old presets, or the container wasn't parseable, or we have a version mismatch, backup the user preset file
// incase something goes wrong.
if (createBackup || (presetContainer.VersionMajor != Constants.PresetVersionMajor || presetContainer.VersionMinor != Constants.PresetVersionMinor || presetContainer.VersionMicro != Constants.PresetVersionMicro))
{
string fileName = RecoverFromCorruptedPresetFile(this.userPresetFile);
this.errorService.ShowMessageBox(
"HandBrake is unable to load your user presets because they are from an older version of HandBrake. Your old presets file has been renamed so that it doesn't get loaded on next launch."
+ Environment.NewLine + Environment.NewLine + "Archived File: " + fileName,
"Unable to load user presets.",
MessageBoxButton.OK,
MessageBoxImage.Exclamation);
return;
}
// Load the current presets.
if (presetContainer.PresetList != null)
{
foreach (var item in presetContainer.PresetList)
{
Preset preset = JsonPresetFactory.ImportPreset(item);
preset.Category = item.PresetName;
preset.IsBuildIn = true;
// If we are using Source Max, Set the Max Width / Height values.
if (preset.PictureSettingsMode == PresetPictureSettingsMode.SourceMaximum)
{
preset.Task.MaxWidth = preset.Task.Height;
preset.Task.MaxHeight = preset.Task.Width;
}
this.presets.Add(preset);
}
}
}
// We did a preset convertion, so save the updates.
if (updatePresets)
{
this.UpdatePresetFiles();
}
}
catch (Exception exc)
{
RecoverFromCorruptedPresetFile(this.userPresetFile);
throw new GeneralApplicationException("HandBrake has detected a problem with your presets.", "Your old presets file has been renamed so that it doesn't get loaded on next launch.", exc);
}
}
/// <summary>
/// Update the preset files
/// </summary>
private void UpdatePresetFiles()
{
try
{
// Setup
string directory = Path.GetDirectoryName(this.userPresetFile);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
JsonSerializerSettings settings = new JsonSerializerSettings { MissingMemberHandling = MissingMemberHandling.Ignore };
// Built-in Presets
Dictionary<string, PresetCategory> presetCategories = new Dictionary<string, PresetCategory>();
foreach (var item in this.presets.Where(p => p.IsBuildIn).ToList())
{
HBPreset preset = JsonPresetFactory.CreateHbPreset(item, HBConfigurationFactory.Create());
if (presetCategories.ContainsKey(item.Category))
{
presetCategories[item.Category].ChildrenArray.Add(preset);
}
else
{
presetCategories[item.Category] = new PresetCategory { ChildrenArray = new List<HBPreset>(), Folder = true, PresetName = item.Category, Type = 0 };
}
}
using (FileStream strm = new FileStream(this.builtInPresetFile, FileMode.Create, FileAccess.Write))
{
string presetsJson = JsonConvert.SerializeObject(presetCategories, Formatting.Indented, settings);
using (StreamWriter writer = new StreamWriter(strm))
{
writer.WriteLine(presetsJson);
}
}
// User Presets
using (FileStream strm = new FileStream(this.userPresetFile, FileMode.Create, FileAccess.Write))
{
List<Preset> userPresets = this.presets.Where(p => p.IsBuildIn == false).ToList();
PresetTransportContainer container = JsonPresetFactory.ExportPresets(userPresets, HBConfigurationFactory.Create());
string presetsJson = JsonConvert.SerializeObject(container, Formatting.Indented, settings);
using (StreamWriter writer = new StreamWriter(strm))
{
writer.WriteLine(presetsJson);
}
}
}
catch (Exception exc)
{
throw new GeneralApplicationException("Unable to write to the presets file.", "The details section below may indicate why this error has occured.", exc);
}
}
#endregion
}
}
|