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windows-server-2003/shell/browseui/legacy/channel.cpp

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#include "priv.h"
#include <varutil.h>
#ifdef ENABLE_CHANNELS
#include "channel.h"
#include "bands.h"
#include "isfband.h"
#include "itbar.h"
#include "qlink.h"
#define WANT_CBANDSITE_CLASS
#include "bandsite.h"
#include "resource.h"
#include "deskbar.h"
#include "dpastuff.h"
#include "dbapp.h"
#include "chanbar.h"
#include "subsmgr.h"
#include "chanmgr.h"
#include "chanmgrp.h"
#include "mluisupp.h"
void FrameTrack(HDC hdc, LPRECT prc, UINT uFlags);
HRESULT Channel_GetFolder(LPTSTR pszPath, int cchPath)
{
TCHAR szChannel[MAX_PATH];
TCHAR szFav[MAX_PATH];
ULONG cbChannel = sizeof(szChannel);
HRESULT hr = E_FAIL;
if (SHGetSpecialFolderPath(NULL, szFav, CSIDL_FAVORITES, TRUE))
{
//
// Get the potentially localized name of the Channel folder from the
// registry if it is there. Otherwise just read it from the resource.
// Then tack this on the favorites path.
//
if (ERROR_SUCCESS != SHRegGetUSValue(L"Software\\Microsoft\\Windows\\CurrentVersion",
L"ChannelFolderName", NULL, (void*)szChannel,
&cbChannel, TRUE, NULL, 0))
{
MLLoadString(IDS_CHANNEL, szChannel, ARRAYSIZE(szChannel));
}
if (PathCombine(pszPath, szFav, szChannel) && PathFileExists(pszPath))
{
// Use the channel folder name we just verified
hr = S_OK;
}
else
{
//
// For IE5+ use the channels dir if it exists - else use favorites
//
hr = StringCchCopy(pszPath, cchPath, szFav);
}
}
return hr;
}
LPITEMIDLIST Channel_GetFolderPidl()
{
LPITEMIDLIST pidl = NULL;
TCHAR szPath[MAX_PATH];
if (SUCCEEDED(Channel_GetFolder(szPath, ARRAYSIZE(szPath))))
{
pidl = ILCreateFromPath(szPath);
if (!pidl && CreateDirectory(szPath, NULL)) {
pidl = ILCreateFromPath(szPath);
}
}
return pidl;
}
HRESULT ChannelBand_CreateInstance(IUnknown** ppunk)
{
*ppunk = NULL;
HRESULT hr = E_OUTOFMEMORY;
LPITEMIDLIST pidl = Channel_GetFolderPidl();
if (pidl)
{
IFolderBandPriv *pfbp;
hr = CISFBand_CreateEx(NULL, pidl, IID_PPV_ARG(IFolderBandPriv, &pfbp));
if (SUCCEEDED(hr))
{
hr = pfbp->SetCascade(TRUE);
if (SUCCEEDED(hr))
{
hr = pfbp->QueryInterface(IID_PPV_ARG(IUnknown, ppunk));
}
pfbp->Release();
}
ILFree(pidl);
}
return hr;
}
//
// Navigates the left browser pane to the channels directory.
//
void NavigateBrowserBarToChannels(IWebBrowser2* pwb)
{
ASSERT(pwb);
IChannelMgrPriv* pIChannelMgrPriv;
if (SUCCEEDED(CoCreateInstance(CLSID_ChannelMgr, NULL, CLSCTX_INPROC_SERVER,
IID_IChannelMgrPriv, (void**)&pIChannelMgrPriv)))
{
ASSERT(pIChannelMgrPriv);
LPITEMIDLIST pidl;
if (SUCCEEDED(pIChannelMgrPriv->GetChannelFolder(&pidl, IChannelMgrPriv::CF_CHANNEL)))
{
ASSERT(pidl);
VARIANT varPath;
if (SUCCEEDED(InitVariantFromIDList(&varPath, pidl)))
{
VARIANT varFlags;
varFlags.vt = VT_I4;
varFlags.lVal = navBrowserBar;
pwb->Navigate2(&varPath, &varFlags, PVAREMPTY, PVAREMPTY, PVAREMPTY);
VariantClear(&varPath);
}
ILFree(pidl);
}
pIChannelMgrPriv->Release();
}
return;
}
STDAPI NavigateToPIDL(IWebBrowser2* pwb, LPCITEMIDLIST pidl)
{
ASSERT(pwb);
ASSERT(pidl);
VARIANT varThePidl;
HRESULT hr = InitVariantFromIDList(&varThePidl, pidl);
if (SUCCEEDED(hr))
{
hr = pwb->Navigate2(&varThePidl, PVAREMPTY, PVAREMPTY, PVAREMPTY, PVAREMPTY);
VariantClear(&varThePidl); // Needed to free the copy of the PIDL in varThePidl.
}
return hr;
}
//
// Implements the IE4 channel quick launch shell control file functionality.
// This gets called from shdoc401 on pre-NT5 platforms and from shell32 on
// Nt5 or greater.
//
HRESULT Channel_QuickLaunch(void)
{
IWebBrowser2* pIWebBrowser2;
HRESULT hr = Channels_OpenBrowser(&pIWebBrowser2, FALSE);
if (SUCCEEDED(hr))
{
ASSERT(pIWebBrowser2);
NavigateBrowserBarToChannels(pIWebBrowser2);
LPITEMIDLIST pidl;
TCHAR szURL[MAX_URL_STRING] = TEXT("");
GetFirstUrl(szURL, SIZEOF(szURL));
if (szURL[0])
{
hr = IECreateFromPath(szURL, &pidl);
if (SUCCEEDED(hr))
{
ASSERT(pidl);
hr = NavigateToPIDL(pIWebBrowser2, pidl);
ILFree(pidl);
}
}
else
{
hr = E_FAIL;
}
pIWebBrowser2->Release();
}
return hr;
}
/////////////////////////////////////
////// Browser only channel band support
// the CProxyWin95Desktop class implements an OleWindow
// to represent the win95 desktop
// the browseronly channel band will use this as its host
class CProxyWin95Desktop :
public IOleWindow
{
public:
// *** IUnknown ***
virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
virtual STDMETHODIMP_(ULONG) AddRef(void);
virtual STDMETHODIMP_(ULONG) Release(void);
// *** IOleWindow methods ***
virtual STDMETHODIMP GetWindow(HWND * lphwnd);
virtual STDMETHODIMP ContextSensitiveHelp(BOOL fEnterMode) { return E_NOTIMPL; }
CProxyWin95Desktop(HWND hwnd);
protected:
UINT _cRef;
HWND _hwnd;
};
CProxyWin95Desktop::CProxyWin95Desktop(HWND hwnd) : _cRef(1), _hwnd(hwnd)
{
}
ULONG CProxyWin95Desktop::AddRef()
{
_cRef++;
return _cRef;
}
ULONG CProxyWin95Desktop::Release()
{
ASSERT(_cRef > 0);
_cRef--;
if (_cRef > 0)
return _cRef;
delete this;
return 0;
}
HRESULT CProxyWin95Desktop::QueryInterface(REFIID riid, LPVOID * ppvObj)
{
if (IsEqualIID(riid, IID_IUnknown) ||
IsEqualIID(riid, IID_IOleWindow) ||
IsEqualIID(riid, SID_SShellDesktop) // private hack for deskbar.cpp
) {
*ppvObj = SAFECAST(this, IOleWindow*);
}
else
{
*ppvObj = NULL;
return E_NOINTERFACE;
}
AddRef();
return S_OK;
}
HRESULT CProxyWin95Desktop::GetWindow(HWND * lphwnd)
{
*lphwnd = _hwnd;
if (_hwnd)
return S_OK;
return E_FAIL;
}
void Channels_InitState(IUnknown* punkBar)
{
// initialize properties
CDeskBarPropertyBag* ppb = new CDeskBarPropertyBag();
if (ppb) {
// Get the default rc
CISSTRUCT cis;
DWORD cbSize = sizeof(CISSTRUCT);
RECT *prc = &cis.rc;
cis.iVer = 1; // set version number to 1
SystemParametersInfoA(SPI_GETWORKAREA, 0, prc, 0);
prc->bottom = min(prc->bottom - 20, prc->top + 12*38 + 28); // 12 icons + caption
if(IS_BIDI_LOCALIZED_SYSTEM())
{
prc->right = prc->left + 90;
OffsetRect(prc, 20, 10);
}
else
{
prc->left = prc->right - 90;
OffsetRect(prc, -20, 10);
}
// query registry for persisted state
SHRegGetUSValue(SZ_REGKEY_CHANBAR, SZ_REGVALUE_CHANBAR, NULL,
(LPVOID)&cis, &cbSize, FALSE, (LPVOID)&cis, cbSize);
// set ppb by prc
ppb->SetDataDWORD(PROPDATA_MODE, WBM_FLOATING | WBMF_BROWSER);
ppb->SetDataDWORD(PROPDATA_X, prc->left);
ppb->SetDataDWORD(PROPDATA_Y, prc->top);
ppb->SetDataDWORD(PROPDATA_CX, RECTWIDTH(*prc));
ppb->SetDataDWORD(PROPDATA_CY, RECTHEIGHT(*prc));
SHLoadFromPropertyBag(punkBar, ppb);
ppb->Release();
}
}
void Channels_MainLoop(IDockingWindow *pdw)
{
MSG msg;
HWND hwnd;
// loop while the window exists
do {
GetMessage(&msg, NULL, 0, 0);
TranslateMessage(&msg);
DispatchMessage(&msg);
pdw->GetWindow(&hwnd);
} while (hwnd);
}
void Channels_SetBandInfoSFB(IUnknown* punkBand)
{
BANDINFOSFB bi;
// Set band startup conditions
bi.dwMask = ISFB_MASK_STATE | ISFB_MASK_VIEWMODE;
bi.dwStateMask = ISFB_STATE_CHANNELBAR | ISFB_STATE_NOSHOWTEXT;
bi.dwState = ISFB_STATE_CHANNELBAR | ISFB_STATE_NOSHOWTEXT;
bi.wViewMode = ISFBVIEWMODE_LOGOS;
IUnknown_SetBandInfoSFB(punkBand, &bi);
}
// from isfband.cpp
extern IDeskBand * ChannelBand_Create( LPCITEMIDLIST pidl );
// this does the desktop channel in browser only mode
void DesktopChannel()
{
_InitComCtl32();
// Don't show channel bar:
// *. in integrated mode with active desktop turned on, or
// *. NoChannelUI restriction is set, or
// *. there is already one on desktop
if (SHRestricted2(REST_NoChannelUI, NULL, 0))
return;
if (WhichPlatform() == PLATFORM_INTEGRATED) {
SHELLSTATE ss = { 0 };
SHGetSetSettings(&ss, SSF_DESKTOPHTML, FALSE); // Get the setting
if (ss.fDesktopHTML) {
return;
}
}
if (FindWindowEx(GetShellWindow(), NULL, TEXT("BaseBar"), TEXT("ChanApp")) ||
FindWindowEx(NULL, NULL, TEXT("BaseBar"), TEXT("ChanApp"))) // can be a toplevel window
return;
LPITEMIDLIST pidl = Channel_GetFolderPidl();
if (pidl) {
IUnknown* punk = (IUnknown *) ChannelBand_Create( pidl );
if (punk) {
Channels_SetBandInfoSFB(punk);
IUnknown* punkBar;
IUnknown* punkBandSite;
HRESULT hres = ChannelDeskBarApp_Create(&punkBar, &punkBandSite);
if (SUCCEEDED(hres)) {
CProxyWin95Desktop* pow = new CProxyWin95Desktop(GetShellWindow());
if (pow) {
IBandSite* pbs;
IDockingWindow* pdw;
Channels_InitState(punkBar);
// these are always our own guys, so these QI's MUST succeed if the creation succeeded
punkBandSite->QueryInterface(IID_IBandSite, (LPVOID*)&pbs);
punkBar->QueryInterface(IID_IDockingWindow, (LPVOID*)&pdw);
ASSERT(pbs && pdw);
hres = pbs->AddBand(punk);
IUnknown_SetSite(pdw, (IOleWindow*)pow);
pbs->SetBandState((DWORD)-1, BSSF_NOTITLE, BSSF_NOTITLE);
pdw->ShowDW(TRUE);
Channels_MainLoop(pdw);
pdw->Release();
pbs->Release();
pow->Release();
}
punkBar->Release();
punkBandSite->Release();
}
punk->Release();
}
ILFree(pidl);
}
}
HRESULT Channels_OpenBrowser(IWebBrowser2 **ppwb, BOOL fInPlace)
{
HRESULT hres;
IWebBrowser2* pwb;
if (fInPlace) {
ASSERT(ppwb && *ppwb != NULL);
pwb = *ppwb;
hres = S_OK;
}
else {
hres = CoCreateInstance(CLSID_InternetExplorer, NULL, CLSCTX_LOCAL_SERVER, IID_PPV_ARG(IWebBrowser2, &pwb));
}
if (SUCCEEDED(hres))
{
SA_BSTRGUID strGuid;
VARIANT vaGuid;
// Don't special case full-screen mode for channels post IE4. Use the
// browser's full screen setting.
//
//BOOL fTheater = SHRegGetBoolUSValue(TEXT("Software\\Microsoft\\Internet Explorer\\Channels"),
BOOL fTheater = SHRegGetBoolUSValue(TEXT("Software\\Microsoft\\Internet Explorer\\Main"),
TEXT("FullScreen"), FALSE, FALSE);
pwb->put_TheaterMode( fTheater ? VARIANT_TRUE : VARIANT_FALSE);
pwb->put_Visible(VARIANT_TRUE);
if (!SHRestricted2(REST_NoChannelUI, NULL, 0))
{
#ifdef ENABLE_CHANNELPANE
StringFromGUID2(CLSID_ChannelBand, strGuid.wsz, ARRAYSIZE(strGuid.wsz));
#else
StringFromGUID2(CLSID_FavBand, strGuid.wsz, ARRAYSIZE(strGuid.wsz));
#endif
strGuid.cb = lstrlenW(strGuid.wsz) * SIZEOF(WCHAR);
vaGuid.vt = VT_BSTR;
vaGuid.bstrVal = strGuid.wsz;
pwb->ShowBrowserBar(&vaGuid, PVAREMPTY, PVAREMPTY);
}
// don't release, we're going to return pwb.
}
if (ppwb)
*ppwb = pwb;
else if (pwb)
pwb->Release();
return hres;
}
BOOL GetFirstUrl(TCHAR szURL[], DWORD cb)
{
//BOOL fFirst = FALSE;
DWORD dwType;
// Don't special case first channel click post IE4.
/*if (SHRegGetUSValue(TEXT("Software\\Microsoft\\Internet Explorer\\Main"), TEXT("ChannelsFirstURL"),
&dwType, szURL, &cb, FALSE, NULL, 0) == ERROR_SUCCESS)
{
HUSKEY hUSKey;
if (SHRegOpenUSKey(TEXT("Software\\Microsoft\\Internet Explorer\\Main"), KEY_WRITE, NULL,
&hUSKey, FALSE) == ERROR_SUCCESS)
{
SHRegDeleteUSValue(hUSKey, TEXT("ChannelsFirstURL"), SHREGDEL_HKCU);
SHRegCloseUSKey(hUSKey);
}
fFirst = TRUE;
}
else if (SHRegGetUSValue(TEXT("Software\\Microsoft\\Internet Explorer\\Main"), TEXT("ChannelsURL"),
&dwType, szURL, &cb, FALSE, NULL, 0) == ERROR_SUCCESS)
{
// nothing
}
else
{
// BUGBUG if code is ever revived, this res:// needs to be
// accessed through MLBuildResURLWrap because of pluggable UI
szURL = lstrcpy(szURL, TEXT("res://ie4tour.dll/channels.htm"));
}*/
SHRegGetUSValue(TEXT("Software\\Microsoft\\Internet Explorer\\Main"),
TEXT("ChannelsURL"), &dwType, szURL, &cb, FALSE, NULL, 0);
return FALSE;
}
//////////////////////////////////////////////////
//
// ChannelBand
//
// This is a special band that only looks at the channels folder.
// It overrides several functions from CISFBand.
//
#undef SUPERCLASS
#define SUPERCLASS CISFBand
class ChannelBand : public SUPERCLASS
{
public:
virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
virtual STDMETHODIMP OnChange(LONG lEvent, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2);
virtual HRESULT OnDropDDT (IDropTarget *pdt, IDataObject *pdtobj, DWORD * pgrfKeyState, POINTL pt, DWORD *pdwEffect);
protected:
ChannelBand();
friend IDeskBand * ChannelBand_Create(LPCITEMIDLIST pidl);
virtual HRESULT _LoadOrderStream();
virtual HWND _CreatePager(HWND hwndParent);
virtual LRESULT _OnCustomDraw(NMCUSTOMDRAW* pnmcd);
virtual void _Dropped(int nIndex, BOOL fDroppedOnSource);
virtual HRESULT _AfterLoad();
virtual void _OnDragBegin(int iItem, DWORD dwPreferedEffect);
} ;
#define COLORBK RGB(0,0,0)
ChannelBand::ChannelBand() :
SUPERCLASS()
{
_lEvents |= SHCNE_EXTENDED_EVENT;
_dwStyle |= TBSTYLE_CUSTOMERASE;
_crBkgnd = COLORBK; // i see a channelband and i want to paint it black
_fHaveBkColor = TRUE;
}
HWND ChannelBand::_CreatePager(HWND hwndParent)
{
// we do want a pager for this band, so
// override isfband's implementation w/ grandpa's
return CSFToolbar::_CreatePager(hwndParent);
}
HRESULT ChannelBand::QueryInterface(REFIID riid, void **ppvObj)
{
*ppvObj = NULL;
if (IsEqualIID(riid, IID_IContextMenu))
return E_NOINTERFACE;
return SUPERCLASS::QueryInterface(riid, ppvObj);
}
IDeskBand * ChannelBand_Create(LPCITEMIDLIST pidlDefault)
{
ChannelBand * pBand = NULL;
LPITEMIDLIST pidl = NULL;
if (!pidlDefault)
{
pidl = Channel_GetFolderPidl();
pidlDefault = pidl;
}
if (EVAL(pidlDefault))
{
pBand = new ChannelBand;
if (pBand)
{
if (FAILED(pBand->InitializeSFB(NULL, pidlDefault)))
{
ATOMICRELEASE(pBand);
}
}
ILFree(pidl);
}
return pBand;
}
HRESULT ChannelBand::_AfterLoad()
{
HRESULT hres = SUPERCLASS::_AfterLoad();
_LoadOrderStream();
return hres;
}
HRESULT ChannelBand::_LoadOrderStream()
{
OrderList_Destroy(&_hdpaOrder);
COrderList_GetOrderList(&_hdpaOrder, _pidl, _psf);
return S_OK;
}
HRESULT ChannelBand::OnChange(LONG lEvent, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
{
HRESULT hres = E_FAIL;
switch (lEvent)
{
case SHCNE_EXTENDED_EVENT:
{
SHChangeMenuAsIDList UNALIGNED * pdwidl = (SHChangeMenuAsIDList UNALIGNED *)pidl1;
if ( pdwidl->dwItem1 == SHCNEE_ORDERCHANGED )
{
if (SHChangeMenuWasSentByMe(this, pidl1))
{
// We sent this order change, ignore it
TraceMsg(TF_BAND, "ChannelBand::OnChange SHCNEE_ORDERCHANGED skipped (we're source)");
hres = S_OK;
}
else if (EVAL(pidl2) && _pidl)
{
if (ILIsEqual(_pidl, pidl2))
{
TraceMsg(TF_BAND, "ChannelBand::OnChange SHCNEE_ORDERCHANGED accepted");
_LoadOrderStream();
if (_fShow)
_FillToolbar();
hres = S_OK;
}
}
break;
}
// if it wasn't SHCNEE_ORDERCHANGED, then drop through to pass to the base class..
}
default:
hres = SUPERCLASS::OnChange(lEvent, pidl1, pidl2);
break;
}
return hres;
}
HRESULT ChannelBand::OnDropDDT(IDropTarget *pdt, IDataObject *pdtobj, DWORD * pgrfKeyState, POINTL pt, DWORD *pdwEffect)
{
if (_iDragSource >= 0)
{
return SUPERCLASS::OnDropDDT(pdt, pdtobj, pgrfKeyState, pt, pdwEffect);
}
else
{
// we don't call superclass in this case 'cuz we want to undo
// it's "always use shortcut" override.
//
_fDropping = TRUE;
return S_OK;
}
}
LRESULT ChannelBand::_OnCustomDraw(NMCUSTOMDRAW* pnmcd)
{
NMTBCUSTOMDRAW * ptbcd = (NMTBCUSTOMDRAW *)pnmcd;
LRESULT lres;
lres = SUPERCLASS::_OnCustomDraw(pnmcd);
switch (pnmcd->dwDrawStage)
{
case CDDS_PREPAINT:
lres |= CDRF_NOTIFYITEMDRAW;
break;
case CDDS_PREERASE:
// Channel band has a darker background color
{
RECT rc;
GetClientRect(_hwndTB, &rc);
// BUGBUG perf: use SHFillRectClr not SetBk/ExtText/SetBk
COLORREF old = SetBkColor(pnmcd->hdc, _crBkgnd);
ExtTextOut(pnmcd->hdc,0,0,ETO_OPAQUE,&rc,NULL,0,NULL);
SetBkColor(pnmcd->hdc, old);
lres = CDRF_SKIPDEFAULT;
}
break;
case CDDS_ITEMPREPAINT:
// Channel band doesn't draw as buttons
lres |= TBCDRF_NOEDGES | TBCDRF_NOOFFSET | TBCDRF_NOMARK |
CDRF_NOTIFYPOSTPAINT;
break;
case CDDS_ITEMPOSTPAINT:
// Channel band draws the hot item (CDIS_HOT)
//
pnmcd->rc.top++;
pnmcd->rc.left++;
if (pnmcd->uItemState & CDIS_SELECTED)
// Mark the selected item
FrameTrack(pnmcd->hdc, &(pnmcd->rc), TRACKNOCHILD);
else if (pnmcd->uItemState & CDIS_HOT)
// Mark the hot item
FrameTrack(pnmcd->hdc, &(pnmcd->rc), TRACKHOT);
break;
}
return lres;
}
void ChannelBand::_Dropped(int nIndex, BOOL fDroppedOnSource)
{
ASSERT(_fDropping);
// I'm not changing this to match the other derivatives (ISFBand, mnfolder, quick links),
// because this structure is slightly different
_fDropped = TRUE;
// Persist the new order out to the registry
if (SUCCEEDED(COrderList_SetOrderList(_hdpa, _pidl, _psf)))
{
// Notify everyone that the order changed
SHSendChangeMenuNotify(this, SHCNEE_ORDERCHANGED, 0, _pidl);
}
}
void ChannelBand::_OnDragBegin(int iItem, DWORD dwPreferedEffect)
{
//
// Don't allow drag if REST_NoRemovingChannels is enabled.
//
if (!SHRestricted2(REST_NoRemovingChannels, NULL, 0))
SUPERCLASS::_OnDragBegin(iItem, dwPreferedEffect);
return;
}
#endif // ENABLE_CHANNELS