reactos/dll/shellext/zipfldr/CExplorerCommand.cpp

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/*
* PROJECT: ReactOS Zip Shell Extension
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
* PURPOSE: IExplorerCommand implementation
* COPYRIGHT: Copyright 2017 Mark Jansen (mark.jansen@reactos.org)
*/
#include "precomp.h"
class CExplorerCommand :
public CComObjectRootEx<CComMultiThreadModelNoCS>,
public IExplorerCommand
{
private:
CComPtr<IContextMenu> m_pZipObject;
public:
STDMETHODIMP Initialize(IContextMenu* zipObject)
{
m_pZipObject = zipObject;
return S_OK;
}
// *** IExplorerCommand methods ***
STDMETHODIMP GetTitle(IShellItemArray *psiItemArray, LPWSTR *ppszName)
{
CStringW Title(MAKEINTRESOURCEW(IDS_MENUITEM));
return SHStrDup(Title, ppszName);
}
STDMETHODIMP GetIcon(IShellItemArray *psiItemArray, LPWSTR *ppszIcon)
{
CStringW IconName = L"zipfldr.dll,-1";
return SHStrDup(IconName, ppszIcon);
}
STDMETHODIMP GetToolTip(IShellItemArray *psiItemArray, LPWSTR *ppszInfotip)
{
CStringW HelpText(MAKEINTRESOURCEW(IDS_HELPTEXT));
return SHStrDup(HelpText, ppszInfotip);
}
STDMETHODIMP GetCanonicalName(GUID *pguidCommandName)
{
*pguidCommandName = CLSID_ZipFolderExtractAllCommand;
return S_OK;
}
STDMETHODIMP GetState(IShellItemArray *psiItemArray, BOOL fOkToBeSlow, EXPCMDSTATE *pCmdState)
{
*pCmdState = ECS_ENABLED;
return S_OK;
}
STDMETHODIMP Invoke(IShellItemArray *psiItemArray, IBindCtx *pbc)
{
CMINVOKECOMMANDINFO cm = { sizeof(cm), 0 };
cm.lpVerb = EXTRACT_VERBA;
cm.nShow = SW_SHOW;
return m_pZipObject->InvokeCommand(&cm);
}
STDMETHODIMP GetFlags(EXPCMDFLAGS *pFlags)
{
*pFlags = ECF_DEFAULT;
return S_OK;
}
STDMETHODIMP EnumSubCommands(IEnumExplorerCommand **ppEnum)
{
DbgPrint("%s\n", __FUNCTION__);
return E_NOTIMPL;
}
public:
DECLARE_NOT_AGGREGATABLE(CExplorerCommand)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CExplorerCommand)
COM_INTERFACE_ENTRY_IID(IID_IExplorerCommand, IExplorerCommand)
END_COM_MAP()
};
class CEnumExplorerCommand :
public CComObjectRootEx<CComMultiThreadModelNoCS>,
public IEnumExplorerCommand
{
private:
bool m_bFirst;
CComPtr<IContextMenu> m_pZipObject;
public:
CEnumExplorerCommand()
:m_bFirst(true)
{
}
STDMETHODIMP Initialize(IContextMenu* zipObject)
{
m_pZipObject = zipObject;
return S_OK;
}
// *** IEnumExplorerCommand methods ***
STDMETHODIMP Next(ULONG celt, IExplorerCommand **pUICommand, ULONG *pceltFetched)
{
if (!pUICommand)
return E_POINTER;
if (pceltFetched)
*pceltFetched = 0;
if (m_bFirst && celt)
{
m_bFirst = false;
celt--;
HRESULT hr = ShellObjectCreatorInit<CExplorerCommand>(m_pZipObject, IID_PPV_ARG(IExplorerCommand, pUICommand));
if (SUCCEEDED(hr))
{
if (pceltFetched)
*pceltFetched = 1;
}
return hr;
}
return S_FALSE;
}
STDMETHODIMP Skip(ULONG celt)
{
if (m_bFirst)
{
m_bFirst = false;
return S_OK;
}
return S_FALSE;
}
STDMETHODIMP Reset()
{
m_bFirst = true;
return S_OK;
}
STDMETHODIMP Clone(IEnumExplorerCommand **ppenum)
{
return E_NOTIMPL;
}
public:
DECLARE_NOT_AGGREGATABLE(CEnumExplorerCommand)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CEnumExplorerCommand)
COM_INTERFACE_ENTRY_IID(IID_IEnumExplorerCommand, IEnumExplorerCommand)
END_COM_MAP()
};
class CExplorerCommandProvider :
public CComObjectRootEx<CComMultiThreadModelNoCS>,
public IExplorerCommandProvider
{
private:
CComPtr<IContextMenu> m_pZipObject;
public:
STDMETHODIMP Initialize(IContextMenu* zipObject)
{
m_pZipObject = zipObject;
return S_OK;
}
// *** IExplorerCommandProvider methods ***
STDMETHODIMP GetCommands(IUnknown *punkSite, REFIID riid, void **ppv)
{
return ShellObjectCreatorInit<CEnumExplorerCommand>(m_pZipObject, riid, ppv);
}
STDMETHODIMP GetCommand(REFGUID rguidCommandId, REFIID riid, void **ppv)
{
UNIMPLEMENTED;
*ppv = NULL;
return E_NOTIMPL;
}
public:
DECLARE_NOT_AGGREGATABLE(CExplorerCommandProvider)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CExplorerCommandProvider)
COM_INTERFACE_ENTRY_IID(IID_IExplorerCommandProvider, IExplorerCommandProvider)
END_COM_MAP()
};
HRESULT _CExplorerCommandProvider_CreateInstance(IContextMenu* zipObject, REFIID riid, LPVOID * ppvOut)
{
return ShellObjectCreatorInit<CExplorerCommandProvider>(zipObject, riid, ppvOut);
}