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85 lines
2.5 KiB
C++
Executable File
85 lines
2.5 KiB
C++
Executable File
// RegistryContextMenu.cpp
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#include "StdAfx.h"
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#include "RegistryContextMenu.h"
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#include "Windows/COM.h"
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#include "Windows/Synchronization.h"
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#include "Windows/Registry.h"
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#include "Windows/System.h"
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#include "Windows/FileName.h"
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using namespace NWindows;
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using namespace NCOM;
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using namespace NRegistry;
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namespace NZipRootRegistry {
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static NSynchronization::CCriticalSection g_RegistryOperationsCriticalSection;
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///////////////////////////
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// ContextMenu
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static const TCHAR *kContextMenuKeyName = TEXT("\\shellex\\ContextMenuHandlers\\7-ZIP");
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static const TCHAR *kContextMenuHandlerCLASSIDValue =
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TEXT("{23170F69-40C1-278A-1000-000100020000}");
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static const TCHAR *kRootKeyNameForFile = TEXT("*");
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static const TCHAR *kRootKeyNameForFolder = TEXT("Folder");
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static const TCHAR *kRootKeyNameForDirectory = TEXT("Directory");
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static CSysString GetFullContextMenuKeyName(const CSysString &keyName)
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{ return (keyName + kContextMenuKeyName); }
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static bool CheckContextMenuHandlerCommon(const CSysString &keyName)
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{
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NSynchronization::CCriticalSectionLock lock(g_RegistryOperationsCriticalSection);
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CKey key;
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if (key.Open(HKEY_CLASSES_ROOT, GetFullContextMenuKeyName(keyName), KEY_READ)
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!= ERROR_SUCCESS)
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return false;
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CSysString value;
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if (key.QueryValue(NULL, value) != ERROR_SUCCESS)
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return false;
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return (value.CollateNoCase(kContextMenuHandlerCLASSIDValue) == 0);
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}
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bool CheckContextMenuHandler()
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{
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return CheckContextMenuHandlerCommon(kRootKeyNameForFile) &&
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CheckContextMenuHandlerCommon(kRootKeyNameForFolder) &&
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CheckContextMenuHandlerCommon(kRootKeyNameForDirectory);
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}
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static void DeleteContextMenuHandlerCommon(const CSysString &keyName)
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{
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CKey rootKey;
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rootKey.Attach(HKEY_CLASSES_ROOT);
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rootKey.RecurseDeleteKey(GetFullContextMenuKeyName(keyName));
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rootKey.Detach();
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}
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void DeleteContextMenuHandler()
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{
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DeleteContextMenuHandlerCommon(kRootKeyNameForFile);
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DeleteContextMenuHandlerCommon(kRootKeyNameForFolder);
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DeleteContextMenuHandlerCommon(kRootKeyNameForDirectory);
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}
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static void AddContextMenuHandlerCommon(const CSysString &keyName)
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{
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DeleteContextMenuHandlerCommon(keyName);
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NSynchronization::CCriticalSectionLock lock(g_RegistryOperationsCriticalSection);
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CKey key;
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key.Create(HKEY_CLASSES_ROOT, GetFullContextMenuKeyName(keyName));
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key.SetValue(NULL, kContextMenuHandlerCLASSIDValue);
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}
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void AddContextMenuHandler()
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{
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AddContextMenuHandlerCommon(kRootKeyNameForFile);
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AddContextMenuHandlerCommon(kRootKeyNameForFolder);
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AddContextMenuHandlerCommon(kRootKeyNameForDirectory);
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}
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}
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