reactos/dll/win32/shell32/CFolderItemVerbs.cpp

180 lines
4 KiB
C++

/*
* FolderItemVerb(s) implementation
*
* Copyright 2015 Mark Jansen
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "precomp.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
CFolderItemVerb::CFolderItemVerb()
{
}
CFolderItemVerb::~CFolderItemVerb()
{
}
void CFolderItemVerb::Init(IContextMenu* menu, BSTR name)
{
m_contextmenu = menu;
m_name.m_str = name;
}
// *** FolderItemVerb methods ***
HRESULT STDMETHODCALLTYPE CFolderItemVerb::get_Application(IDispatch **ppid)
{
TRACE("(%p, %p)\n", this, ppid);
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CFolderItemVerb::get_Parent(IDispatch **ppid)
{
TRACE("(%p, %p)\n", this, ppid);
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CFolderItemVerb::get_Name(BSTR *pbs)
{
if (!pbs)
return E_POINTER;
*pbs = SysAllocString(m_name);
return S_OK;
}
HRESULT STDMETHODCALLTYPE CFolderItemVerb::DoIt()
{
TRACE("(%p, %p)\n", this);
return E_NOTIMPL;
}
CFolderItemVerbs::CFolderItemVerbs()
:m_menu(NULL)
,m_count(0)
{
}
CFolderItemVerbs::~CFolderItemVerbs()
{
DestroyMenu(m_menu);
}
HRESULT CFolderItemVerbs::Init(LPITEMIDLIST idlist)
{
CComPtr<IShellFolder> folder;
LPCITEMIDLIST child;
HRESULT hr = SHBindToParent(idlist, IID_PPV_ARG(IShellFolder, &folder), &child);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = folder->GetUIObjectOf(NULL, 1, &child, IID_IContextMenu, NULL, (PVOID*)&m_contextmenu);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
m_menu = CreatePopupMenu();
hr = m_contextmenu->QueryContextMenu(m_menu, 0, FCIDM_SHVIEWFIRST, FCIDM_SHVIEWLAST, CMF_NORMAL);
if (!SUCCEEDED(hr))
return hr;
m_count = GetMenuItemCount(m_menu);
return hr;
}
// *** FolderItemVerbs methods ***
HRESULT STDMETHODCALLTYPE CFolderItemVerbs::get_Count(LONG *plCount)
{
if (!plCount)
return E_POINTER;
*plCount = m_count;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CFolderItemVerbs::get_Application(IDispatch **ppid)
{
TRACE("(%p, %p)\n", this, ppid);
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CFolderItemVerbs::get_Parent(IDispatch **ppid)
{
TRACE("(%p, %p)\n", this, ppid);
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CFolderItemVerbs::Item(VARIANT indexVar, FolderItemVerb **ppid)
{
if (!ppid)
return E_POINTER;
CComVariant var;
VariantCopyInd(&var, &indexVar);
HRESULT hr = VariantChangeType(&var, &var, 0, VT_I4);
if (FAILED_UNEXPECTEDLY(hr))
return E_INVALIDARG;
int index = V_I4(&var);
if (index > m_count)
return S_OK;
BSTR name = NULL;
if(index == m_count)
name = SysAllocStringLen(NULL, 0);
else
{
MENUITEMINFOW info = { sizeof(info), 0 };
info.fMask = MIIM_STRING;
if (!GetMenuItemInfoW(m_menu, index, TRUE, &info))
return E_FAIL;
name = SysAllocStringLen(NULL, info.cch);
if (name)
{
info.dwTypeData = name;
info.cch++;
GetMenuItemInfoW(m_menu, index, TRUE, &info);
}
}
if (!name)
return E_OUTOFMEMORY;
CFolderItemVerb* verb = new CComObject<CFolderItemVerb>();
verb->Init(m_contextmenu, name);
verb->AddRef();
*ppid = verb;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CFolderItemVerbs::_NewEnum(IUnknown **ppunk)
{
TRACE("(%p, %p)\n", this, ppunk);
return E_NOTIMPL;
}