/// <summary>
/// Adds all default (e.g. builtin) plugins to the given list,
/// in the default display order.
/// </summary>
/// <param name="plugins">List where to add plugins.</param>
/// <param name="settings">Optional <see cref="UserSettings"/>
/// used to fetch icon files if present.</param>
private static void GetDefaultPlugins(List <Plugin> plugins, UserSettings settings)
{
Debug.Assert(plugins != null);
Debug.Assert(settings != null);
SeparatorPlugin separator = new SeparatorPlugin();
// This mimics the code in PathCopyCopyPluginsRegistry.cpp in the C++ project.
plugins.Add(CreateDefaultPlugin(Resources.SHORT_NAME_PLUGIN_ID, Resources.SHORT_NAME_PLUGIN_DESCRIPTION, settings));
plugins.Add(CreateDefaultPlugin(Resources.LONG_NAME_PLUGIN_ID, Resources.LONG_NAME_PLUGIN_DESCRIPTION, settings));
plugins.Add(separator);
plugins.Add(CreateDefaultPlugin(Resources.SHORT_PATH_PLUGIN_ID, Resources.SHORT_PATH_PLUGIN_DESCRIPTION, settings));
plugins.Add(CreateDefaultPlugin(Resources.LONG_PATH_PLUGIN_ID, Resources.LONG_PATH_PLUGIN_DESCRIPTION, settings));
plugins.Add(separator);
plugins.Add(CreateDefaultPlugin(Resources.SHORT_FOLDER_PLUGIN_ID, Resources.SHORT_FOLDER_PLUGIN_DESCRIPTION, settings));
plugins.Add(CreateDefaultPlugin(Resources.LONG_FOLDER_PLUGIN_ID, Resources.LONG_FOLDER_PLUGIN_DESCRIPTION, settings));
plugins.Add(separator);
plugins.Add(CreateDefaultPlugin(Resources.SHORT_UNC_PATH_PLUGIN_ID, Resources.SHORT_UNC_PATH_PLUGIN_DESCRIPTION, settings));
plugins.Add(CreateDefaultPlugin(Resources.LONG_UNC_PATH_PLUGIN_ID, Resources.LONG_UNC_PATH_PLUGIN_DESCRIPTION, settings));
plugins.Add(separator);
plugins.Add(CreateDefaultPlugin(Resources.SHORT_UNC_FOLDER_PATH_PLUGIN_ID, Resources.SHORT_UNC_FOLDER_PATH_PLUGIN_DESCRIPTION, settings));
plugins.Add(CreateDefaultPlugin(Resources.LONG_UNC_FOLDER_PATH_PLUGIN_ID, Resources.LONG_UNC_FOLDER_PATH_PLUGIN_DESCRIPTION, settings));
plugins.Add(separator);
plugins.Add(CreateDefaultPlugin(Resources.INTERNET_PATH_PLUGIN_ID, Resources.INTERNET_PATH_PLUGIN_DESCRIPTION, settings));
plugins.Add(separator);
plugins.Add(CreateDefaultPlugin(Resources.UNIX_PATH_PLUGIN_ID, Resources.UNIX_PATH_PLUGIN_DESCRIPTION, settings));
plugins.Add(CreateDefaultPlugin(Resources.CYGWIN_PATH_PLUGIN_ID, Resources.CYGWIN_PATH_PLUGIN_DESCRIPTION, settings));
}
/// <summary>
/// Adds all COM plugins to the given list in the proper display order.
/// </summary>
/// <param name="plugins">List where to add plugins.</param>
private static void GetCOMPlugins(List <Plugin> plugins)
{
Debug.Assert(plugins != null);
List <COMPluginInfo> comPluginInfos = new List <COMPluginInfo>();
SeparatorPlugin separator = new SeparatorPlugin();
// Get path to the registry keys that contain the COM plugins.
// If we're called by a 32-bit extension running under WOW64 we'll need to adjust.
List <COMPluginsRegKeyInfo> regKeyInfos = new List <COMPluginsRegKeyInfo>();
regKeyInfos.Add(new COMPluginsRegKeyInfo {
Global = true,
KeyPath = (!PCCEnvironment.Is64Bit && PCCEnvironment.IsWow64)
? PCC_COM_PLUGINS_KEY_WOW64 : PCC_COM_PLUGINS_KEY
});
regKeyInfos.Add(new COMPluginsRegKeyInfo {
Global = false,
KeyPath = PCC_COM_PLUGINS_KEY
});
// Create executor to be able to fetch info for COM plugins.
COMPluginExecutor executor = new COMPluginExecutor();
// Scan each registry key in turn.
foreach (COMPluginsRegKeyInfo regKeyInfo in regKeyInfos)
{
try {
using (RegistryKey pluginsKey = regKeyInfo.Root.OpenSubKey(regKeyInfo.KeyPath)) {
if (pluginsKey != null)
{
// Key exists and user has access, scan for plugins.
// Get names of all values. Each name is a plugin ID except for the marker.
string[] ids = pluginsKey.GetValueNames();
foreach (string id in ids)
{
// Try converting this ID to a Guid. Note that there are other values
// in that key so if it fails, simply skip it.
Guid?idAsGuid = null;
try {
if (id != LEGACY_COM_PLUGINS_LAST_UPDATE_VALUE_NAME)
{
idAsGuid = new Guid(id);
}
} catch (FormatException) {
idAsGuid = null;
} catch (OverflowException) {
idAsGuid = null;
}
if (idAsGuid != null)
{
// Fetch plugin infos using executor.
string description = null;
int groupId = 0;
int groupPosition = 0;
string iconFile = null;
try {
description = executor.GetDescription(idAsGuid.Value);
groupId = executor.GetGroupId(idAsGuid.Value);
groupPosition = executor.GetGroupPosition(idAsGuid.Value);
if (executor.GetUseDefaultIcon(idAsGuid.Value))
{
iconFile = String.Empty;
}
else
{
iconFile = executor.GetIconFile(idAsGuid.Value);
if (String.IsNullOrEmpty(iconFile))
{
// No icon file specified, assume no icon.
iconFile = null;
}
}
} catch (COMPluginExecutorException) {
// Failed to fetch information, skip this plugin.
idAsGuid = null;
}
if (idAsGuid != null)
{
// Construct bean for this plugin and add it to the list.
comPluginInfos.Add(new COMPluginInfo {
Plugin = new COMPlugin(idAsGuid.Value, description, iconFile, regKeyInfo.Global),
GroupId = groupId,
GroupPosition = groupPosition,
});
}
}
}
}
}
} catch (SecurityException) {
// User does not have access to that key, skip.
} catch (ObjectDisposedException) {
// There's something seriously wrong with the .NET framework, but hey.
}
}
// Sort list of COM plugins by IDs and remove duplicates, since a plugin might be
// registered both globally and for the current user.
if (comPluginInfos.Count > 1)
{
comPluginInfos.Sort(delegate(COMPluginInfo info1, COMPluginInfo info2) {
return(info1.Plugin.Id.CompareTo(info2.Plugin.Id));
});
for (int i = comPluginInfos.Count - 1; i > 0; --i)
{
if (comPluginInfos[i].Plugin.Id.Equals(comPluginInfos[i - 1].Plugin.Id))
{
comPluginInfos.RemoveAt(i);
}
}
}
// Now sort list of COM plugins first by group ID then by group position.
comPluginInfos.Sort(delegate(COMPluginInfo info1, COMPluginInfo info2) {
int cmp = info1.GroupId - info2.GroupId;
if (cmp == 0)
{
cmp = info1.GroupPosition - info2.GroupPosition;
}
return(cmp);
});
// Copy all plugins to provided list. Insert a separator between groups.
if (comPluginInfos.Count > 0)
{
int currentGroup = Int32.MaxValue;
foreach (var info in comPluginInfos)
{
if (plugins.Count > 0 && currentGroup != info.GroupId)
{
plugins.Add(separator);
}
plugins.Add(info.Plugin);
currentGroup = info.GroupId;
}
}
}