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7zip/CPP/7zip/UI/Explorer/ContextMenu.cpp  view on Meta::CPAN

// ContextMenu.cpp

#include "StdAfx.h"

#include "ContextMenu.h"

#include "Common/StringConvert.h"

#include "Windows/COM.h"
#include "Windows/FileDir.h"
#include "Windows/FileFind.h"
#include "Windows/Memory.h"
#include "Windows/Menu.h"
#include "Windows/Process.h"
#include "Windows/Shell.h"

#include "../Common/ArchiveName.h"
#include "../Common/CompressCall.h"
#include "../Common/ExtractingFilePath.h"
#include "../Common/ZipRegistry.h"

#include "../FileManager/FormatUtils.h"
#include "../FileManager/ProgramLocation.h"

#ifdef LANG
#include "../FileManager/LangUtils.h"
#endif

#include "ContextMenuFlags.h"
#include "MyMessages.h"

#include "resource.h"

using namespace NWindows;


#ifndef UNDER_CE
#define EMAIL_SUPPORT 1
#endif

extern LONG g_DllRefCount;
    
CZipContextMenu::CZipContextMenu()  { InterlockedIncrement(&g_DllRefCount); }
CZipContextMenu::~CZipContextMenu() { InterlockedDecrement(&g_DllRefCount); }

HRESULT CZipContextMenu::GetFileNames(LPDATAOBJECT dataObject, UStringVector &fileNames)
{
  #ifndef UNDER_CE
  fileNames.Clear();
  if (dataObject == NULL)
    return E_FAIL;
  FORMATETC fmte = {CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
  NCOM::CStgMedium stgMedium;
  HRESULT result = dataObject->GetData(&fmte, &stgMedium);
  if (result != S_OK)
    return result;
  stgMedium._mustBeReleased = true;

  NShell::CDrop drop(false);
  NMemory::CGlobalLock globalLock(stgMedium->hGlobal);
  drop.Attach((HDROP)globalLock.GetPointer());
  drop.QueryFileNames(fileNames);
  #endif
  return S_OK;
}

// IShellExtInit

STDMETHODIMP CZipContextMenu::Initialize(LPCITEMIDLIST pidlFolder, LPDATAOBJECT dataObject, HKEY /* hkeyProgID */)
{
  // OutputDebugString(TEXT("::Initialize\r\n"));
  _dropMode = false;
  _dropPath.Empty();
  if (pidlFolder != 0)
  {
    #ifndef UNDER_CE
    if (NShell::GetPathFromIDList(pidlFolder, _dropPath))
    {
      // OutputDebugString(path);
      // OutputDebugString(TEXT("\r\n"));
      NFile::NName::NormalizeDirPathPrefix(_dropPath);
      _dropMode = !_dropPath.IsEmpty();
    }
    else
    #endif
      _dropPath.Empty();
  }

  /*
  m_IsFolder = false;
  if (pidlFolder == 0)
  */
  // pidlFolder is NULL :(
  return GetFileNames(dataObject, _fileNames);
}

HRESULT CZipContextMenu::InitContextMenu(const wchar_t * /* folder */, const wchar_t **names, UInt32 numFiles)
{
  _fileNames.Clear();
  for (UInt32 i = 0; i < numFiles; i++)
    _fileNames.Add(names[i]);
  _dropMode = false;
  return S_OK;
}