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/*
Derived from source code of TrueCrypt 7.1a, which is
Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
by the TrueCrypt License 3.0.
Modifications and additions to the original source code (contained in this file)
and all other portions of this file are Copyright (c) 2013-2016 IDRIX
and are governed by the Apache License 2.0 the full text of which is
contained in the file License.txt included in VeraCrypt binary and source
code distribution packages.
*/
#include "System.h"
#include "Application.h"
#include "GraphicUserInterface.h"
#include "Xml.h"
#include "VolumeHistory.h"
namespace VeraCrypt
{
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;
}
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