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/*
* f o l d e r s . c p p * * Purpose: * Implements the OE-MOM 'Folder' object and 'FolderCollection' * * History * * Copyright (C) Microsoft Corp. 1995, 1996. */#include <pch.hxx>
#include "msoeobj.h"
#include "folders.h"
#include "instance.h"
//+---------------------------------------------------------------
//
// Member: Constructor
//
// Synopsis:
//
//
//---------------------------------------------------------------
COEFolderCollection::COEFolderCollection() : CBaseDisp(){ Assert (g_pInstance); m_pEnumChildren = 0; CoIncrementInit("COEFolderCollection::COEFolderCollection", MSOEAPI_START_SHOWERRORS, NULL, NULL);}
//+---------------------------------------------------------------
//
// Member: Destructor
//
// Synopsis:
//
//
//---------------------------------------------------------------
COEFolderCollection::~COEFolderCollection(){ Assert (g_pInstance); CoDecrementInit("COEFolderCollection::COEFolderCollection", NULL);}
//+---------------------------------------------------------------
//
// Member: Init
//
// Synopsis:
// Constructor that can fail
//
//---------------------------------------------------------------
HRESULT COEFolderCollection::Init(FOLDERID idFolder){ m_idFolder = idFolder; return CBaseDisp::EnsureTypeLibrary((LPVOID *)(IOEFolderCollection *)this, IID_IOEFolderCollection);}
//+---------------------------------------------------------------
//
// Member: PrivateQueryInterface
//
// Synopsis:
// Exposes supported interfaces
//
//---------------------------------------------------------------
HRESULT COEFolderCollection::PrivateQueryInterface(REFIID riid, LPVOID *lplpObj){ if(!lplpObj) return E_INVALIDARG;
*lplpObj = NULL;
if (IsEqualIID(riid, IID_IUnknown)) *lplpObj = (LPVOID)(IOEFolderCollection *)this; else if (IsEqualIID(riid, IID_IOEFolderCollection)) *lplpObj = (LPVOID)(IOEFolderCollection *)this; else return CBaseDisp::PrivateQueryInterface(riid, lplpObj);
AddRef(); return NOERROR;}
//+---------------------------------------------------------------
//
// Member: get_folders
//
// Synopsis:
// Returns the a folder collection, representing
// the child folders of the current folder collection.
//
//---------------------------------------------------------------
HRESULT COEFolderCollection::get_folders(IOEFolderCollection **p){ return CreateFolderCollection(m_idFolder, p);}
//+---------------------------------------------------------------
//
// Member: get_length
//
// Synopsis:
// returns the number of elements in the collection
//
//---------------------------------------------------------------
HRESULT COEFolderCollection::get_length(long *p){ HRESULT hr; hr = _EnsureInit(); if (FAILED(hr)) { TraceResult(hr); goto exit; }
hr = m_pEnumChildren->Count((ULONG *)p);
exit: return hr;}
//+---------------------------------------------------------------
//
// Member: get__newEnum
//
// Synopsis:
// Returns a folder enumerator
//
//---------------------------------------------------------------
HRESULT COEFolderCollection::get__newEnum(IUnknown **p){ HRESULT hr; hr = _EnsureInit(); if (FAILED(hr)) { TraceResult(hr); goto exit; }
hr = E_NOTIMPL;
exit: return hr;}
//+---------------------------------------------------------------
//
// Member: item
//
// Synopsis:
//
//
//---------------------------------------------------------------
HRESULT COEFolderCollection::item(VARIANT name, VARIANT index, IDispatch **ppdisp){ HRESULT hr; FOLDERID idFolder; IOEFolder *pFolder=NULL;
if (!ppdisp) return E_INVALIDARG;
*ppdisp = NULL;
hr = _EnsureInit(); if (FAILED(hr)) { TraceResult(hr); goto exit; }
switch(name.vt) { case VT_BSTR: hr = _FindFolder(name.bstrVal, NULL, &idFolder); break;
case VT_I4: hr = _FindFolder(NULL, name.lVal, &idFolder); break; }
if (FAILED(hr)) { TraceResult(hr); goto exit; }
hr = CreateOEFolder(idFolder, &pFolder); if (FAILED(hr)) { TraceResult(hr); goto exit; }
hr = pFolder->QueryInterface(IID_IDispatch, (LPVOID *)ppdisp); if (FAILED(hr)) { TraceResult(hr); goto exit; }
exit: ReleaseObj(pFolder); return hr;}
//+---------------------------------------------------------------
//
// Member: add
//
// Synopsis:
//
//
//---------------------------------------------------------------
HRESULT COEFolderCollection::add(BSTR bstrName, IDispatch **ppDisp){ HRESULT hr; hr = _EnsureInit(); if (FAILED(hr)) { TraceResult(hr); goto exit; }
hr = E_NOTIMPL;
exit: return hr;}
//+---------------------------------------------------------------
//
// Member: InterfaceSupportsErrorInfo
//
// Synopsis:
// Override CBaseDisp's method to provide error
// information
//
//---------------------------------------------------------------
HRESULT COEFolderCollection::InterfaceSupportsErrorInfo(REFIID riid){ if (IsEqualIID(riid, IID_IOEFolderCollection)) return S_OK;
return CBaseDisp::InterfaceSupportsErrorInfo(riid);}
//+---------------------------------------------------------------
//
// Member: _EnsureInit
//
// Synopsis:
// Make sure the folder enumerator is up and running
//
//---------------------------------------------------------------
HRESULT COEFolderCollection::_EnsureInit(){
if (g_pStore == NULL) return E_UNEXPECTED;
SafeRelease(m_pEnumChildren);
return g_pStore->EnumChildren(m_idFolder, TRUE, &m_pEnumChildren);}
//+---------------------------------------------------------------
//
// Member: _FindFolder
//
// Synopsis:
// find a folder by name or index
//
//---------------------------------------------------------------
HRESULT COEFolderCollection::_FindFolder(BSTR bstr, LONG lIndex, FOLDERID *pidFolder){ HRESULT hr=E_FAIL; LONG c=0; FOLDERINFO fi; LPSTR pszFolder=0;
*pidFolder = NULL;
if (bstr) pszFolder = PszToANSI(CP_ACP, bstr);
m_pEnumChildren->Reset();
hr = m_pEnumChildren->Next(1, &fi, NULL); while (hr == S_OK) { // walk immediate children
if (bstr) { if (lstrcmpi(fi.pszName, pszFolder)==0) { *pidFolder = fi.idFolder; break; } } else { if (lIndex == c++) { *pidFolder = fi.idFolder; break; } } hr = m_pEnumChildren->Next(1, &fi, NULL); }
SafeMemFree(pszFolder); return *pidFolder ? S_OK : E_FAIL;}
//+---------------------------------------------------------------
//
// Member: CreateFolderCollection
//
// Synopsis:
// helper function to create an OE Folder Collection
//
//---------------------------------------------------------------
HRESULT CreateFolderCollection(FOLDERID idFolder, IOEFolderCollection **ppFolderCollection){ // Locals
COEFolderCollection *pNew=NULL; HRESULT hr=S_OK;
if (ppFolderCollection == NULL) return E_INVALIDARG;
*ppFolderCollection=NULL;
pNew = new COEFolderCollection(); if (!pNew) return E_OUTOFMEMORY;
hr = pNew->Init(idFolder); if (FAILED(hr)) goto error;
hr = pNew->QueryInterface(IID_IOEFolderCollection, (LPVOID *)ppFolderCollection);
error: ReleaseObj(pNew); return hr;}
HRESULT CreateOEFolder(FOLDERID idFolder, IOEFolder **ppFolder){ COEFolder *pNew; HRESULT hr;
if (!ppFolder) return E_INVALIDARG;
*ppFolder =NULL;
pNew = new COEFolder(); if (!pNew) return E_OUTOFMEMORY;
hr = pNew->Init(idFolder); if (FAILED(hr)) goto error;
*ppFolder = pNew; pNew = NULL;
error: ReleaseObj(pNew); return hr;}
COEFolder::COEFolder() : CBaseDisp(){ m_idFolder = FOLDERID_INVALID; CoIncrementInit("COEFolder::COEFolder", MSOEAPI_START_SHOWERRORS, NULL, NULL);} COEFolder::~COEFolder(){ CoDecrementInit("COEFolder::COEFolder", NULL);}
HRESULT COEFolder::PrivateQueryInterface(REFIID riid, LPVOID *lplpObj){ if(!lplpObj) return E_INVALIDARG;
*lplpObj = NULL;
if (IsEqualIID(riid, IID_IUnknown)) *lplpObj = (LPVOID)(IOEFolder *)this; else if (IsEqualIID(riid, IID_IDispatch)) *lplpObj = (LPVOID)(IDispatch *)(CBaseDisp *)this; else if (IsEqualIID(riid, IID_IOEFolder)) *lplpObj = (LPVOID)(IOEFolder *)this; else return E_NOINTERFACE;
AddRef(); return NOERROR;}
HRESULT COEFolder::Init(FOLDERID idFolder){ HRESULT hr;
m_idFolder = idFolder;
hr = _EnsureInit(); if (FAILED(hr)) { TraceResult(hr); goto exit; }
hr = CBaseDisp::EnsureTypeLibrary((LPVOID *)(IOEFolder *)this, IID_IOEFolder);
exit: return hr;}
HRESULT COEFolder::get_folders(IOEFolderCollection **p){ return CreateFolderCollection(m_idFolder, p);}
// *** COEFolder**
HRESULT COEFolder::get_messages(IOEMessageCollection **p){ return E_NOTIMPL;}
HRESULT COEFolder::get_name(BSTR *pbstr){ if (pbstr == NULL) return E_INVALIDARG;
*pbstr = NULL;
return HrLPSZToBSTR(m_fi.pszName, pbstr);}
HRESULT COEFolder::put_name(BSTR bstr){ return E_NOTIMPL;}
HRESULT COEFolder::get_size(LONG *pl){ *pl = 1000; return S_OK;}
HRESULT COEFolder::get_unread(LONG *pl){
*pl = m_fi.cUnread; return S_OK;}
HRESULT COEFolder::get_id(LONG *pl){ *pl = (LONG)m_fi.idFolder; return S_OK;}
HRESULT COEFolder::get_count(LONG *pl){ *pl = m_fi.cMessages; return S_OK;}
HRESULT COEFolder::_EnsureInit(){ return g_pStore->GetFolderInfo(m_idFolder, &m_fi);}
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