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
|
// --------------------------------------------------------------------------------------------------------------------
// <copyright file="UserSettingService.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 User Setting Serivce
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrakeWPF.Services
{
using System;
using System.Collections.Specialized;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Xml.Serialization;
using HandBrake.ApplicationServices.Collections;
using HandBrake.ApplicationServices.EventArgs;
using HandBrake.ApplicationServices.Exceptions;
using HandBrakeWPF.Services.Interfaces;
/// <summary>
/// The User Setting Serivce
/// </summary>
public class UserSettingService : IUserSettingService
{
/// <summary>
/// The Settings File
/// </summary>
private readonly string settingsFile = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\settings.xml";
/// <summary>
/// The XML Serializer
/// </summary>
readonly XmlSerializer serializer = new XmlSerializer(typeof(SerializableDictionary<string, object>));
/// <summary>
/// The User Settings
/// </summary>
private SerializableDictionary<string, object> userSettings;
/// <summary>
/// Initializes a new instance of the <see cref="UserSettingService"/> class.
/// </summary>
public UserSettingService()
{
this.Load();
}
/// <summary>
/// The setting changed.
/// </summary>
public event SettingEventHandler SettingChanged;
/// <summary>
/// Set the specified user setting.
/// </summary>
/// <param name="name">
/// Name of the property
/// </param>
/// <param name="value">
/// The value to store.
/// </param>
public void SetUserSetting(string name, object value)
{
this.userSettings[name] = value;
this.Save();
this.OnSettingChanged(new SettingChangedEventArgs { Key = name, Value = value });
}
/// <summary>
/// Get user setting for a given key.
/// </summary>
/// <param name="name">
/// The name.
/// </param>
/// <typeparam name="T">
/// The Type of the setting
/// </typeparam>
/// <returns>
/// The user setting
/// </returns>
public T GetUserSetting<T>(string name)
{
if (this.userSettings.ContainsKey(name))
{
return (T)this.userSettings[name];
}
return default(T);
}
/// <summary>
/// Get an StringCollection type user setting
/// </summary>
/// <param name="name">
/// The setting name
/// </param>
/// <returns>
/// The settings value
/// </returns>
public StringCollection GetUserSettingStringCollection(string name)
{
return (StringCollection)this.userSettings[name];
}
/// <summary>
/// The on setting changed.
/// </summary>
/// <param name="e">
/// The e.
/// </param>
protected virtual void OnSettingChanged(SettingChangedEventArgs e)
{
SettingEventHandler handler = this.SettingChanged;
if (handler != null)
{
handler(this, e);
}
}
/// <summary>
/// Save the User Settings
/// </summary>
private void Save()
{
try
{
string directory = Path.GetDirectoryName(this.settingsFile);
if (!string.IsNullOrEmpty(directory) && !Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
using (FileStream strm = new FileStream(this.settingsFile, FileMode.Create, FileAccess.Write))
{
this.serializer.Serialize(strm, this.userSettings);
}
}
catch (Exception exc)
{
throw new GeneralApplicationException(
"A problem occured when trying to save your preferences.",
"Any settings you changed may need to be reset the next time HandBrake launches.",
exc);
}
}
/// <summary>
/// Load the User Settings
/// </summary>
private void Load()
{
try
{
// Load up the users current settings file.
if (File.Exists(this.settingsFile))
{
using (StreamReader reader = new StreamReader(this.settingsFile))
{
SerializableDictionary<string, object> data = (SerializableDictionary<string, object>)this.serializer.Deserialize(reader);
this.userSettings = data;
}
}
else
{
this.userSettings = new SerializableDictionary<string, object>();
}
// Add any missing / new settings
SerializableDictionary<string, object> defaults = this.GetDefaults();
foreach (var item in defaults.Where(item => !this.userSettings.Keys.Contains(item.Key)))
{
this.userSettings.Add(item.Key, item.Value);
this.Save();
}
}
catch (Exception exc)
{
try
{
this.userSettings = this.GetDefaults();
if (File.Exists(this.settingsFile))
{
File.Delete(this.settingsFile);
}
this.Save();
throw new GeneralApplicationException("Warning, your settings have been reset!", "Your user settings file was corrupted or inaccessible. Settings have been reset to defaults.", exc);
}
catch (Exception)
{
throw new GeneralApplicationException("Unable to load user settings file: " + this.settingsFile, "Your user settings file appears to be inaccessible or corrupted. You may have to delete the file and let HandBrake generate a new one.", exc);
}
}
}
/// <summary>
/// Load Default Settings
/// </summary>
/// <returns>
/// The get defaults.
/// </returns>
private SerializableDictionary<string, object> GetDefaults()
{
try
{
Assembly assembly = Assembly.GetEntryAssembly();
Stream stream = assembly.GetManifestResourceStream("HandBrakeWPF.defaultsettings.xml");
if (stream != null)
{
return (SerializableDictionary<string, object>)this.serializer.Deserialize(stream);
}
}
catch (Exception exc)
{
return new SerializableDictionary<string, object>();
}
return new SerializableDictionary<string, object>();
}
}
}
|
