384 lines
11 KiB
C++
384 lines
11 KiB
C++
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//
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// This Channel OC code was copied from browseui. Once it is reenabled in
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// browseui it can be removed from shdocvw.
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//
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#include "priv.h"
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#include "cobjsafe.h"
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STDAPI ChannelOC_CreateInstance(IUnknown* punkOuter, IUnknown** ppunk, LPCOBJECTINFO poi);
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HRESULT IUnknown_SetBandInfoSFB(IUnknown *punkBand, BANDINFOSFB *pbi);
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IDeskBand * ChannelBand_Create(LPCITEMIDLIST pidlDefault);
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//LPITEMIDLIST Channel_GetFolderPidl();
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void Channels_SetBandInfoSFB(IUnknown* punkBand);
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//////////////////////////////////////////////////
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//
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// ChannelOC
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//
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// This is an OC that wraps the above band for
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// inclusion in the Active Desktop.
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//
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// TODO:
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// - listen to ISFBand for resizes and request them
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// from our container
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//
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// Do we need to register as a drop target?
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#undef SUPERCLASS
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#define SUPERCLASS CShellEmbedding
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#undef THISCLASS
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#define THISCLASS ChannelOC
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class ChannelOC : public SUPERCLASS
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, public IServiceProvider
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, public IPersistPropertyBag
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, public CObjectSafety
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{
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public:
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// *** IUnknown ***
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virtual STDMETHODIMP QueryInterface(REFIID riid, void **ppvObj) { return SUPERCLASS::QueryInterface(riid, ppvObj); };
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virtual STDMETHODIMP_(ULONG) AddRef(void) { return SUPERCLASS::AddRef(); }
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virtual STDMETHODIMP_(ULONG) Release(void) { return SUPERCLASS::Release(); }
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// *** CAggregatedUnknown ***
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virtual HRESULT v_InternalQueryInterface(REFIID riid, LPVOID * ppvObj);
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// *** IServiceProvider ***
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virtual STDMETHODIMP QueryService(REFGUID guidService,
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REFIID riid, void **ppvObj);
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// *** IPersistPropertyBag ***
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virtual STDMETHODIMP Load(IPropertyBag *pPropBag, IErrorLog *pErrorLog);
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virtual STDMETHODIMP Save(IPropertyBag *pPropBag, BOOL fClearDirty, BOOL fSaveAllProperties);
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virtual STDMETHODIMP InitNew();
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virtual STDMETHODIMP GetClassID(CLSID *pClassID) { return SUPERCLASS::GetClassID(pClassID); };
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// *** IOleInPlaceObject ***
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virtual STDMETHODIMP SetObjectRects(LPCRECT lprcPosRect, LPCRECT lprcClipRect);
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protected:
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ChannelOC(IUnknown* punkOuter, LPCOBJECTINFO poi);
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~ChannelOC();
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friend HRESULT ChannelOC_CreateInstance(IUnknown* punkOuter, IUnknown** ppunk, LPCOBJECTINFO poi);
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virtual LRESULT v_WndProc(HWND, UINT, WPARAM, LPARAM);
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LPITEMIDLIST _GetInitialPidl(void);
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virtual void _OnInPlaceActivate(void); // called when we actually go in-place-active
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virtual void _OnInPlaceDeactivate(void); // called when we actually deactivate
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IDeskBand* _pBand;
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IWinEventHandler* _pweh;
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COLORREF _crBkgndOC;
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COLORREF _crBorder;
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// for GetBandInfo, not currently used
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DESKBANDINFO _dbi;
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};
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ChannelOC::ChannelOC(IUnknown* punkOuter, LPCOBJECTINFO poi) :
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CShellEmbedding(punkOuter, poi, NULL)
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{
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TraceMsg(TF_SHDLIFE, "ctor ChannelOC %x", this);
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_crBkgndOC = CLR_DEFAULT;
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_crBorder = CLR_DEFAULT;
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}
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ChannelOC::~ChannelOC()
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{
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TraceMsg(TF_SHDLIFE, "dtor ChannelOC %x", this);
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}
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HRESULT ChannelOC::v_InternalQueryInterface(REFIID riid, void **ppvObj)
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{
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static const QITAB qit[] = {
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QITABENT(THISCLASS, IServiceProvider),
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QITABENT(THISCLASS, IPersistPropertyBag),
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QITABENT(THISCLASS, IObjectSafety),
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{ 0 },
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};
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HRESULT hres = QISearch(this, qit, riid, ppvObj);
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if (FAILED(hres))
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hres = SUPERCLASS::v_InternalQueryInterface(riid, ppvObj);
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return hres;
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}
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HRESULT ChannelOC::QueryService(REFGUID guidService, REFIID riid, void **ppvObj)
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{
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return IUnknown_QueryService(_pcli, guidService, riid, ppvObj);
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}
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//*** ChannelOC::IPersistPropertyBag::* {
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//
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HRESULT THISCLASS::Load(IPropertyBag *pPropBag, IErrorLog *pErrorLog)
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{
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ASSERT(_crBkgndOC == CLR_DEFAULT); // paranoia
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_crBkgndOC = PropBag_ReadInt4(pPropBag, L"BGColor", CLR_DEFAULT);
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TraceMsg(TF_WARNING, "coc.l: BGColor=%x", _crBkgndOC);
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_crBorder = PropBag_ReadInt4(pPropBag, L"BorderColor", CLR_DEFAULT);
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return S_OK;
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}
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HRESULT THISCLASS::Save(IPropertyBag *pPropBag, BOOL fClearDirty, BOOL fSaveAllProperties)
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{
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ASSERT(0);
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return E_NOTIMPL;
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}
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HRESULT THISCLASS::InitNew()
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{
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ASSERT(_crBkgndOC == CLR_DEFAULT);
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ASSERT(_crBorder == CLR_DEFAULT);
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return E_NOTIMPL;
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}
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// }
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LRESULT ChannelOC::v_WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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LRESULT lres = 0;
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switch(uMsg)
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{
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case WM_CONTEXTMENU:
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return 1;
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case WM_WINDOWPOSCHANGED:
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if (_hwndChild)
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{
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LPWINDOWPOS lpwp = (LPWINDOWPOS)lParam;
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if (!(lpwp->flags & SWP_NOSIZE))
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{
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SetWindowPos(_hwndChild, NULL,
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0,0,
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lpwp->cx, lpwp->cy,
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SWP_NOZORDER|SWP_NOMOVE|SWP_NOACTIVATE|
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(lpwp->flags&(SWP_NOREDRAW|SWP_NOCOPYBITS)));
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}
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}
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return 0;
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case WM_ERASEBKGND:
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if ( _crBorder == CLR_DEFAULT )
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{
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return DefWindowProc(hwnd, uMsg, wParam, lParam);
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}
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else
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{
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HDC hdc = (HDC) wParam;
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RECT rcClient;
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GetClientRect( hwnd, &rcClient );
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COLORREF crSave = SetBkColor(hdc, _crBorder);
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ExtTextOut(hdc,0,0,ETO_OPAQUE,&rcClient,NULL,0,NULL);
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SetBkColor(hdc, crSave);
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}
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case WM_COMMAND:
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case WM_NOTIFY:
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if (_pweh)
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{
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LRESULT lres;
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if (SUCCEEDED(_pweh->OnWinEvent(hwnd, uMsg, wParam, lParam, &lres)))
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return lres;
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}
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// fall through
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default:
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return SUPERCLASS::v_WndProc(hwnd, uMsg, wParam, lParam);
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}
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}
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LPITEMIDLIST ChannelOC::_GetInitialPidl()
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{
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LPITEMIDLIST pidl = NULL;
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// Figure out what directory this ChannelOC is looking at.
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// If we're looking at a specific channel category, use it,
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// otherwise use the top-level Channels folder.
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//
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if (EVAL(_pcli))
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{
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IOleContainer *pContainer;
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if (SUCCEEDED(_pcli->GetContainer(&pContainer)))
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{
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IHTMLDocument2 *pDoc;
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if (SUCCEEDED(pContainer->QueryInterface(IID_IHTMLDocument2, (LPVOID*)&pDoc)))
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{
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IHTMLLocation *pLocation;
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if (SUCCEEDED(pDoc->get_location(&pLocation)))
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{
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BSTR bstrURL;
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if (SUCCEEDED(pLocation->get_href(&bstrURL)) && bstrURL)
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{
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TCHAR szPath[MAX_PATH];
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DWORD cchT = ARRAYSIZE(szPath);
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if (SUCCEEDED(PathCreateFromUrl(bstrURL, szPath, &cchT, 0)))
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{
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PathRemoveFileSpec(szPath);
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// if we're not under the channels folder, then
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// ignore this location
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//
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if (SUCCEEDED(IECreateFromPath(szPath, &pidl)))
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{
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LPITEMIDLIST pidlChannels = Channel_GetFolderPidl();
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if (!pidlChannels || !ILIsParent(pidlChannels, pidl, FALSE))
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{
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ILFree(pidl);
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pidl = NULL;
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}
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ILFree(pidlChannels);
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}
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TraceMsg(TF_BAND, "ChannelOC::_OnInPlaceActivate [%s] (%x)", szPath, pidl);
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}
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SysFreeString(bstrURL);
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}
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pLocation->Release();
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}
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pDoc->Release();
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}
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pContainer->Release();
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}
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}
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return pidl;
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}
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void ChannelOC::_OnInPlaceActivate()
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{
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SUPERCLASS::_OnInPlaceActivate();
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// we should never get called twice, but might as well be safe
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//
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if (EVAL(!_pBand))
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{
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LPITEMIDLIST pidl = _GetInitialPidl();
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// Now create the band and initialize it properly
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//
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_pBand = ChannelBand_Create(pidl);
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if (_pBand)
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{
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IDropTarget* pdt;
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Channels_SetBandInfoSFB(_pBand);
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_pBand->QueryInterface(IID_IWinEventHandler, (LPVOID*)&_pweh);
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IUnknown_SetSite(_pBand, SAFECAST(this, IOleObject*));
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// now that band is sited and init'ed, we can override defaults
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if (_crBkgndOC != CLR_DEFAULT) {
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BANDINFOSFB bi;
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TraceMsg(TF_WARNING, "coc.oipa: BGColor=%x _pBand=%x", _crBkgndOC, _pBand);
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bi.dwMask = ISFB_MASK_BKCOLOR;
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bi.crBkgnd = _crBkgndOC;
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IUnknown_SetBandInfoSFB(_pBand, &bi);
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}
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_dbi.dwMask = DBIM_MINSIZE|DBIM_MAXSIZE|DBIM_INTEGRAL|DBIM_ACTUAL|DBIM_TITLE|DBIM_MODEFLAGS|DBIM_BKCOLOR;
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_pBand->GetBandInfo(0, DBIF_VIEWMODE_VERTICAL, &_dbi);
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_pBand->GetWindow(&_hwndChild);
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SetWindowPos(_hwndChild, NULL, 0, 0,
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_rcPos.right - _rcPos.left,
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_rcPos.bottom - _rcPos.top,
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SWP_NOMOVE|SWP_NOACTIVATE|SWP_NOZORDER|SWP_SHOWWINDOW);
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_pBand->ShowDW(TRUE);
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// Register the band as a drop target
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if (SUCCEEDED(_pBand->QueryInterface(IID_IDropTarget, (LPVOID*)&pdt)))
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{
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THR(RegisterDragDrop(_hwnd, pdt));
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pdt->Release();
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}
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TraceMsg(TF_BAND, "ISFBandOC::_OnInPlaceActivate()d to cx=%d cy=%d", _size.cx, _size.cy);
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}
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ILFree(pidl);
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}
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}
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void ChannelOC::_OnInPlaceDeactivate()
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{
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IDeskBand * pBand = _pBand;
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// set to NULL to avoid re-entrancy...
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_pBand = NULL;
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if (pBand)
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{
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_hwndChild = NULL;
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RevokeDragDrop(_hwnd);
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pBand->ShowDW(FALSE);
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IUnknown_SetSite(pBand, NULL);
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pBand->CloseDW(0);
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TraceMsg(TF_BAND, "ISFBandOC::_OnInPlaceDeactivate()d");
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}
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// we need to keep _pweh because we need the notifies during destruction to
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// free everything properly
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// the _pBand = NULL above is sufficient to keep from reentrancy
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ATOMICRELEASE(_pweh);
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ATOMICRELEASE(pBand);
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SUPERCLASS::_OnInPlaceDeactivate();
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}
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HRESULT ChannelOC::SetObjectRects(LPCRECT lprcPosRect, LPCRECT lprcClipRect)
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{
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HRESULT hres = SUPERCLASS::SetObjectRects(lprcPosRect, lprcClipRect);
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if (_hwndChild)
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{
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SetWindowPos(_hwndChild, NULL, 0,0,
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_rcPos.right - _rcPos.left,
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_rcPos.bottom - _rcPos.top, SWP_NOZORDER);
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}
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return hres;
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}
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STDAPI ChannelOC_CreateInstance(IUnknown* punkOuter, IUnknown** ppunk, LPCOBJECTINFO poi)
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{
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HRESULT hres = E_OUTOFMEMORY;
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ChannelOC* pBand = new ChannelOC(punkOuter, poi);
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if (pBand)
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{
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*ppunk = pBand->_GetInner();
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hres = S_OK;
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}
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return hres;
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}
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