1 files changed, 152 insertions, 0 deletions
diff --git a/src/Main/VolumeHistory.cpp b/src/Main/VolumeHistory.cpp
new file mode 100644
index 00000000..5bdac903
--- /dev/null
+++ b/src/Main/VolumeHistory.cpp
@@ -0,0 +1,152 @@
+/*
+ Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#include "System.h"
+#include "Application.h"
+#include "GraphicUserInterface.h"
+#include "Xml.h"
+#include "VolumeHistory.h"
+
+namespace TrueCrypt
+{
+	VolumeHistory::VolumeHistory ()
+	{
+	}
+
+	VolumeHistory::~VolumeHistory ()
+	{
+	}
+
+	void VolumeHistory::Add (const VolumePath &newPath)
+	{
+		if (Gui->GetPreferences().SaveHistory)
+		{
+			ScopeLock lock (AccessMutex);
+
+			VolumePathList::iterator iter = VolumePaths.begin();
+			foreach (const VolumePath &path, VolumePaths)
+			{
+				if (newPath == path)
+				{
+					VolumePaths.erase (iter);
+					break;
+				}
+				iter++;
+			}
+
+			VolumePaths.push_front (newPath);
+			if (VolumePaths.size() > MaxSize)
+				VolumePaths.pop_back();
+
+			foreach (wxComboBox *comboBox, ConnectedComboBoxes)
+			{
+				UpdateComboBox (comboBox);
+			}
+		}
+	}
+
+	void VolumeHistory::Clear ()
+	{
+		VolumePaths.clear();
+		foreach (wxComboBox *comboBox, ConnectedComboBoxes)
+		{
+			UpdateComboBox (comboBox);
+		}
+
+		Save();
+	}
+
+	void VolumeHistory::ConnectComboBox (wxComboBox *comboBox)
+	{
+		ScopeLock lock (AccessMutex);
+		ConnectedComboBoxes.push_back (comboBox);
+
+		UpdateComboBox (comboBox);
+	}
+
+	void VolumeHistory::DisconnectComboBox (wxComboBox *comboBox)
+	{
+		ScopeLock lock (AccessMutex);
+
+		for (list<wxComboBox *>::iterator iter = ConnectedComboBoxes.begin(); iter != ConnectedComboBoxes.end(); ++iter)
+		{
+			if (comboBox == *iter)
+			{
+				ConnectedComboBoxes.erase (iter);
+				break;
+			}
+		}
+	}
+
+	void VolumeHistory::Load ()
+	{
+		ScopeLock lock (AccessMutex);
+		FilePath historyCfgPath = Application::GetConfigFilePath (GetFileName());
+
+		if (historyCfgPath.IsFile())
+		{
+			if (!Gui->GetPreferences().SaveHistory)
+			{
+				historyCfgPath.Delete();
+			}
+			else
+			{
+				foreach_reverse (const XmlNode &node, XmlParser (historyCfgPath).GetNodes (L"volume"))
+				{
+					Add (wstring (node.InnerText));
+				}
+			}
+		}
+	}
+
+	void VolumeHistory::Save ()
+	{
+		ScopeLock lock (AccessMutex);
+		FilePath historyCfgPath = Application::GetConfigFilePath (GetFileName(), true);
+
+		if (!Gui->GetPreferences().SaveHistory || VolumePaths.empty())
+		{
+			if (historyCfgPath.IsFile())
+				historyCfgPath.Delete();
+		}
+		else
+		{
+			XmlNode historyXml (L"history");
+
+			foreach (const VolumePath &path, VolumePaths)
+			{
+				historyXml.InnerNodes.push_back (XmlNode (L"volume", wstring (path)));
+			}
+
+			XmlWriter historyWriter (historyCfgPath);
+			historyWriter.WriteNode (historyXml);
+			historyWriter.Close();
+		}
+	}
+
+	void VolumeHistory::UpdateComboBox (wxComboBox *comboBox)
+	{
+		wxString curValue = comboBox->GetValue();
+
+		comboBox->Freeze();
+		comboBox->Clear();
+
+		foreach (const VolumePath &path, VolumePaths)
+		{
+			comboBox->Append (wstring (path));
+		}
+
+		comboBox->SetValue (curValue);
+		comboBox->Thaw();
+	}
+
+	list <wxComboBox *> VolumeHistory::ConnectedComboBoxes;
+	VolumePathList VolumeHistory::VolumePaths;
+	Mutex VolumeHistory::AccessMutex;
+
+}