mirror of
https://github.com/reactos/reactos.git
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349 lines
10 KiB
C++
349 lines
10 KiB
C++
/*
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* ReactOS Explorer
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*
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* Copyright 2006 - 2007 Thomas Weidenmueller <w3seek@reactos.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "precomp.h"
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/*****************************************************************************
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** CTaskBand ****************************************************************
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*****************************************************************************/
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const GUID CLSID_ITaskBand = { 0x68284FAA, 0x6A48, 0x11D0, { 0x8C, 0x78, 0x00, 0xC0, 0x4F, 0xD9, 0x18, 0xB4 } };
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class CTaskBand :
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public CComCoClass<CTaskBand>,
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public CComObjectRootEx<CComMultiThreadModelNoCS>,
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public IObjectWithSite,
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public IDeskBand,
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public IDeskBar,
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public IPersistStream,
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public IWinEventHandler,
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public IOleCommandTarget
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{
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CComPtr<ITrayWindow> m_Tray;
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CComPtr<IUnknown> m_Site;
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CComPtr<IUnknown> m_TasksWnd;
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HWND m_hWnd;
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public:
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CTaskBand() :
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m_hWnd(NULL)
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{
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}
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virtual ~CTaskBand() { }
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/*****************************************************************************/
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virtual HRESULT STDMETHODCALLTYPE GetWindow(OUT HWND *phwnd)
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{
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if (!m_hWnd)
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return E_FAIL;
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if (!phwnd)
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return E_INVALIDARG;
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*phwnd = m_hWnd;
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return S_OK;
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}
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virtual HRESULT STDMETHODCALLTYPE ContextSensitiveHelp(
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IN BOOL fEnterMode)
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{
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/* FIXME: Implement */
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return E_NOTIMPL;
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}
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virtual HRESULT STDMETHODCALLTYPE ShowDW(
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IN BOOL bShow)
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{
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/* We don't do anything... */
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return S_OK;
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}
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virtual HRESULT STDMETHODCALLTYPE CloseDW(
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IN DWORD dwReserved)
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{
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/* We don't do anything... */
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return S_OK;
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}
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virtual HRESULT STDMETHODCALLTYPE ResizeBorderDW(
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LPCRECT prcBorder,
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IUnknown *punkToolbarSite,
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BOOL fReserved)
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{
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/* No need to implement this method */
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return E_NOTIMPL;
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}
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virtual HRESULT STDMETHODCALLTYPE GetBandInfo(
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IN DWORD dwBandID,
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IN DWORD dwViewMode,
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IN OUT DESKBANDINFO *pdbi)
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{
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TRACE("CTaskBand::GetBandInfo(0x%x,0x%x,0x%p) hWnd=0x%p\n", dwBandID, dwViewMode, pdbi, m_hWnd);
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if (m_hWnd != NULL)
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{
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HWND hwndToolbar = ::GetWindow(m_hWnd, GW_CHILD);
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/* The task band never has a title */
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pdbi->dwMask &= ~DBIM_TITLE;
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/* NOTE: We don't return DBIMF_UNDELETEABLE here, the band site will
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handle us differently and add this flag for us. The reason for
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this is future changes that might allow it to be deletable.
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We want the band site to be in charge of this decision rather
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the band itself! */
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/* FIXME: What about DBIMF_NOGRIPPER and DBIMF_ALWAYSGRIPPER */
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pdbi->dwModeFlags = DBIMF_VARIABLEHEIGHT;
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/* Obtain the button size, to be used as the minimum size */
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DWORD size = SendMessageW(hwndToolbar, TB_GETBUTTONSIZE, 0, 0);
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pdbi->ptMinSize.x = 0;
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pdbi->ptMinSize.y = GET_Y_LPARAM(size);
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if (dwViewMode & DBIF_VIEWMODE_VERTICAL)
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{
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pdbi->ptIntegral.x = 0;
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pdbi->ptIntegral.y = 1;
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}
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else
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{
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pdbi->ptIntegral.x = 0;
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pdbi->ptIntegral.y = GET_Y_LPARAM(size);
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}
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/* Ignored: pdbi->ptMaxSize.x */
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pdbi->ptMaxSize.y = -1;
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RECT rcToolbar;
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::GetWindowRect(hwndToolbar, &rcToolbar);
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/* FIXME: We should query the height from the task bar object!!! */
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pdbi->ptActual.x = rcToolbar.right - rcToolbar.left;
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pdbi->ptActual.y = rcToolbar.bottom - rcToolbar.top;
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TRACE("H: %d, Min: %d,%d, Integral.y: %d Actual: %d,%d\n", (dwViewMode & DBIF_VIEWMODE_VERTICAL) == 0,
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pdbi->ptMinSize.x, pdbi->ptMinSize.y, pdbi->ptIntegral.y,
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pdbi->ptActual.x, pdbi->ptActual.y);
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return S_OK;
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}
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return E_FAIL;
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}
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/*****************************************************************************/
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// *** IOleCommandTarget methods ***
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virtual HRESULT STDMETHODCALLTYPE QueryStatus(const GUID *pguidCmdGroup, ULONG cCmds, OLECMD prgCmds [], OLECMDTEXT *pCmdText)
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{
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UNIMPLEMENTED;
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return E_NOTIMPL;
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}
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virtual HRESULT STDMETHODCALLTYPE Exec(const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT *pvaIn, VARIANT *pvaOut)
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{
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if (IsEqualIID(*pguidCmdGroup, IID_IBandSite))
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{
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return S_OK;
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}
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if (IsEqualIID(*pguidCmdGroup, IID_IDeskBand))
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{
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return S_OK;
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}
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UNIMPLEMENTED;
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return E_NOTIMPL;
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}
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/*****************************************************************************/
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virtual HRESULT STDMETHODCALLTYPE SetClient(
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IN IUnknown *punkClient)
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{
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TRACE("IDeskBar::SetClient(0x%p)\n", punkClient);
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return E_NOTIMPL;
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}
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virtual HRESULT STDMETHODCALLTYPE GetClient(
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OUT IUnknown **ppunkClient)
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{
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TRACE("IDeskBar::GetClient(0x%p)\n", ppunkClient);
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return E_NOTIMPL;
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}
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virtual HRESULT STDMETHODCALLTYPE OnPosRectChangeDB(
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IN RECT *prc)
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{
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TRACE("IDeskBar::OnPosRectChangeDB(0x%p=(%d,%d,%d,%d))\n", prc, prc->left, prc->top, prc->right, prc->bottom);
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if (prc->bottom - prc->top == 0)
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return S_OK;
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return S_FALSE;
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}
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/*****************************************************************************/
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virtual HRESULT STDMETHODCALLTYPE GetClassID(
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OUT CLSID *pClassID)
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{
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TRACE("CTaskBand::GetClassID(0x%p)\n", pClassID);
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/* We're going to return the (internal!) CLSID of the task band interface */
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*pClassID = CLSID_ITaskBand;
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return S_OK;
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}
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virtual HRESULT STDMETHODCALLTYPE IsDirty()
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{
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/* The object hasn't changed since the last save! */
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return S_FALSE;
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}
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virtual HRESULT STDMETHODCALLTYPE Load(
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IN IStream *pStm)
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{
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TRACE("CTaskBand::Load called\n");
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/* Nothing to do */
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return S_OK;
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}
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virtual HRESULT STDMETHODCALLTYPE Save(
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IN IStream *pStm,
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IN BOOL fClearDirty)
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{
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/* Nothing to do */
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return S_OK;
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}
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virtual HRESULT STDMETHODCALLTYPE GetSizeMax(
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OUT ULARGE_INTEGER *pcbSize)
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{
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TRACE("CTaskBand::GetSizeMax called\n");
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/* We don't need any space for the task band */
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pcbSize->QuadPart = 0;
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return S_OK;
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}
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/*****************************************************************************/
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virtual HRESULT STDMETHODCALLTYPE SetSite(IUnknown *pUnkSite)
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{
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HRESULT hRet;
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HWND hwndSite;
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TRACE("CTaskBand::SetSite(0x%p)\n", pUnkSite);
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hRet = IUnknown_GetWindow(pUnkSite, &hwndSite);
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if (FAILED_UNEXPECTEDLY(hRet))
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return hRet;
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TRACE("CreateTaskSwitchWnd(Parent: 0x%p)\n", hwndSite);
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hRet = CTaskSwitchWnd_CreateInstance(hwndSite, m_Tray, IID_PPV_ARG(IUnknown, &m_TasksWnd));
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if (FAILED_UNEXPECTEDLY(hRet))
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return hRet;
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hRet = IUnknown_GetWindow(m_TasksWnd, &m_hWnd);
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if (FAILED_UNEXPECTEDLY(hRet))
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return hRet;
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m_Site = pUnkSite;
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return S_OK;
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}
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virtual HRESULT STDMETHODCALLTYPE GetSite(
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IN REFIID riid,
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OUT VOID **ppvSite)
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{
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TRACE("CTaskBand::GetSite(0x%p,0x%p)\n", riid, ppvSite);
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if (m_Site != NULL)
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{
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return m_Site->QueryInterface(riid, ppvSite);
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}
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*ppvSite = NULL;
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return E_FAIL;
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}
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/*****************************************************************************/
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virtual HRESULT STDMETHODCALLTYPE ProcessMessage(
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IN HWND hWnd,
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IN UINT uMsg,
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IN WPARAM wParam,
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IN LPARAM lParam,
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OUT LRESULT *plrResult)
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{
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TRACE("CTaskBand: IWinEventHandler::ProcessMessage(0x%p, 0x%x, 0x%p, 0x%p, 0x%p)\n", hWnd, uMsg, wParam, lParam, plrResult);
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return E_NOTIMPL;
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}
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virtual HRESULT STDMETHODCALLTYPE ContainsWindow(
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IN HWND hWnd)
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{
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if (hWnd == m_hWnd ||
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IsChild(m_hWnd, hWnd))
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{
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TRACE("CTaskBand::ContainsWindow(0x%p) returns S_OK\n", hWnd);
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return S_OK;
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}
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return S_FALSE;
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}
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virtual HRESULT STDMETHODCALLTYPE OnWinEvent(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *theResult)
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{
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//UNIMPLEMENTED;
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return E_NOTIMPL;
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}
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virtual HRESULT STDMETHODCALLTYPE IsWindowOwner(HWND hWnd)
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{
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return (hWnd == m_hWnd) ? S_OK : S_FALSE;
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}
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/*****************************************************************************/
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HRESULT STDMETHODCALLTYPE Initialize(IN OUT ITrayWindow *tray, HWND hWndStartButton)
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{
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m_Tray = tray;
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return S_OK;
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}
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DECLARE_NOT_AGGREGATABLE(CTaskBand)
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DECLARE_PROTECT_FINAL_CONSTRUCT()
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BEGIN_COM_MAP(CTaskBand)
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COM_INTERFACE_ENTRY2_IID(IID_IOleWindow, IOleWindow, IDeskBand)
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COM_INTERFACE_ENTRY_IID(IID_IDeskBand, IDeskBand)
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COM_INTERFACE_ENTRY_IID(IID_IObjectWithSite, IObjectWithSite)
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COM_INTERFACE_ENTRY_IID(IID_IPersist, IPersist)
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COM_INTERFACE_ENTRY_IID(IID_IPersistStream, IPersistStream)
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COM_INTERFACE_ENTRY_IID(IID_IWinEventHandler, IWinEventHandler)
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COM_INTERFACE_ENTRY_IID(IID_IOleCommandTarget, IOleCommandTarget)
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END_COM_MAP()
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};
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HRESULT CTaskBand_CreateInstance(IN ITrayWindow *Tray, HWND hWndStartButton, REFIID riid, void **ppv)
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{
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return ShellObjectCreatorInit<CTaskBand>(Tray, hWndStartButton, riid, ppv);
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}
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