hxpref.cpp
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上传日期:2013-07-19
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: hxpref.cpp,v 1.6.20.1 2004/07/09 02:07:27 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
- * RealNetworks. You may not use this file except in compliance with
- * the RPSL or, if you have a valid RCSL with RealNetworks applicable
- * to this file, the RCSL. Please see the applicable RPSL or RCSL for
- * the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the
- * portions it created.
- *
- * This file, and the files included with this file, is distributed
- * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
- * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
- * ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include "hxtypes.h"
- #include "hxresult.h"
- #include "hxcom.h"
- #include "ihxpckts.h"
- #include "hxfiles.h"
- #include "hxcore.h"
- #include "hxprefs.h"
- #include "hxengin.h"
- #include "pref.h"
- #include "playpref.h"
- #include "hxpref.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- BEGIN_INTERFACE_LIST( HXPreferences )
- INTERFACE_LIST_ENTRY_SIMPLE( IHXPreferences );
- #ifndef _UNIX
- INTERFACE_LIST_ENTRY_SIMPLE( IHXPreferences2 );
- #endif
- INTERFACE_LIST_ENTRY_SIMPLE( IHXPreferences3 );
- END_INTERFACE_LIST
- #ifdef _UNIX
- #define PREF_COMMIT_TIMEOUT 0
- class HXPreferencesCallback : public IHXCallback
- {
- public:
- /*
- * IUnknown methods
- */
- STDMETHOD(QueryInterface) (THIS_
- REFIID riid,
- void** ppvObj)
- {
- if (IsEqualIID(riid, IID_IUnknown))
- {
- AddRef();
- *ppvObj = (IUnknown*)this;
- return HXR_OK;
- }
- else if (IsEqualIID(riid, IID_IHXCallback))
- {
- AddRef();
- *ppvObj = (IHXCallback*)this;
- return HXR_OK;
- }
- *ppvObj = NULL;
- return HXR_NOINTERFACE;
- };
- STDMETHOD_(ULONG32,AddRef) (THIS)
- {
- return InterlockedIncrement(&m_lRefCount);
- };
- STDMETHOD_(ULONG32,Release) (THIS)
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- };
- /*
- * IHXCallback methods
- */
-
- STDMETHOD(Func) (THIS)
- {
- m_CallbackHandle = 0;
- return m_pPreferences->CommitPrefs();
- }
- void Close()
- {
- if (m_CallbackHandle && m_pScheduler)
- {
- m_pScheduler->Remove(m_CallbackHandle);
- m_CallbackHandle = 0;
- }
- HX_RELEASE(m_pScheduler);
- };
- BOOL IsPending() {return (m_CallbackHandle != 0); };
- void
- ScheduleCallback()
- {
- HX_ASSERT(m_CallbackHandle == 0);
- if (m_pScheduler && !m_CallbackHandle)
- {
- m_CallbackHandle = m_pScheduler->RelativeEnter(this, PREF_COMMIT_TIMEOUT);
- }
- }
- HXPreferencesCallback(HXPreferences* pPreferences, IUnknown* pContext)
- {
- m_lRefCount = 0;
- m_pPreferences = pPreferences;
- m_pScheduler = 0;
- m_CallbackHandle = 0;
- if (pContext)
- {
- HX_VERIFY(HXR_OK ==
- pContext->QueryInterface(IID_IHXScheduler, (void**) &m_pScheduler));
- }
- };
- ~HXPreferencesCallback()
- {
- Close();
- };
- INT32 m_lRefCount;
- CallbackHandle m_CallbackHandle;
- IHXScheduler* m_pScheduler;
- HXPreferences* m_pPreferences;
- };
- #endif
- HXPreferences::HXPreferences() :
- m_pPref(0),
- m_nProdMajorVer(0),
- m_nProdMinorVer(0),
- m_bCommon(TRUE),
- m_pContext(0)
- #ifdef _UNIX
- ,m_pCallback(NULL)
- #endif
- {
- }
- HXPreferences::~HXPreferences()
- {
- Close();
- }
- void
- HXPreferences::Close()
- {
- #ifdef _UNIX
- if (m_pCallback)
- {
- m_pCallback->Close();
- HX_RELEASE(m_pCallback);
- }
- #endif
- HX_RELEASE(m_pContext);
- HX_DELETE(m_pPref);
- }
- HX_RESULT
- HXPreferences::SetContext(IUnknown* pContext)
- {
- m_pContext = pContext;
- if (m_pContext)
- {
- m_pContext->AddRef();
- }
- #ifdef _UNIX
- if (m_pContext && !m_pCallback)
- {
- m_pCallback = new HXPreferencesCallback(this, m_pContext);
- if(!m_pCallback)
- {
- return HXR_OUTOFMEMORY;
- }
- m_pCallback->AddRef();
- }
- #endif
- return HXR_OK;
- }
- #if defined(_UNIX) || defined(_CARBON)
- HX_RESULT
- HXPreferences::CommitPrefs()
- {
- HX_RESULT theErr = HXR_OK;
- if (m_pPref)
- {
- theErr = m_pPref->commit_prefs();
- }
- return theErr;
- }
- #endif
- /*
- * HXPreferences methods
- */
- /************************************************************************
- * Method:
- * IHXPreferences::Init
- * Purpose:
- * TBD
- */
- STDMETHODIMP HXPreferences::Open(const char* pCompanyName, const char* pProductName,
- ULONG32 nProdMajorVer, ULONG32 nProdMinorVer)
- {
- m_CompanyName = pCompanyName;
- m_ProductName = pProductName;
- m_nProdMajorVer = nProdMajorVer;
- m_nProdMinorVer = nProdMinorVer;
-
- m_pPref = CPlayerPref::open_pref(pCompanyName, pProductName, nProdMajorVer, nProdMinorVer);
-
- if (!m_pPref)
- {
- return HXR_UNEXPECTED;
- }
- m_bCommon = m_pPref->IsCommonPref();
- return HXR_OK;
- }
- STDMETHODIMP HXPreferences::OpenShared(const char* pCompanyName)
- {
- m_CompanyName = pCompanyName;
- m_ProductName = HX_PRODUCTNAME_SHARED;
- m_nProdMajorVer = 0;
- m_nProdMinorVer = 0;
-
- m_pPref = CPlayerPref::open_shared_pref(pCompanyName);
- if (!m_pPref)
- {
- return HXR_UNEXPECTED;
- }
- m_bCommon = m_pPref->IsCommonPref();
- return HXR_OK;
- }
- STDMETHODIMP HXPreferences::OpenSharedUser(const char* pCompanyName)
- {
- m_CompanyName = pCompanyName;
- m_ProductName = HX_PRODUCTNAME_SHARED;
- m_nProdMajorVer = 0;
- m_nProdMinorVer = 0;
-
- m_pPref = CPlayerPref::open_shared_user_pref(pCompanyName);
- if (!m_pPref)
- {
- return HXR_UNEXPECTED;
- }
- m_bCommon = m_pPref->IsCommonPref();
- return HXR_OK;
- }
- STDMETHODIMP HXPreferences::OpenUserPref(const char* pCompanyName, const char* pProductName,
- ULONG32 nProdMajorVer, ULONG32 nProdMinorVer)
- {
- m_CompanyName = pCompanyName;
- m_ProductName = pProductName;
- m_nProdMajorVer = nProdMajorVer;
- m_nProdMinorVer = nProdMinorVer;
-
- m_pPref = CPlayerPref::open_pref(pCompanyName, pProductName, nProdMajorVer, nProdMinorVer, FALSE);
- if (!m_pPref)
- {
- return HXR_UNEXPECTED;
- }
- m_bCommon = m_pPref->IsCommonPref();
- return HXR_OK;
- }
- /************************************************************************
- * Method:
- * IHXPreferences::ReadPref
- * Purpose:
- * TBD
- */
- STDMETHODIMP HXPreferences::ReadPref(const char* pPrefKey, IHXBuffer*& pBuffer)
- {
- return m_pPref->read_pref(pPrefKey, pBuffer);
- }
- /************************************************************************
- * Method:
- * IHXPreferences::WritePref
- * Purpose:
- * TBD
- */
- STDMETHODIMP HXPreferences::WritePref(const char* pPrefKey, IHXBuffer* pBuffer)
- {
- HX_RESULT theErr = HXR_FAIL;
- if( m_pPref )
- {
- theErr = m_pPref->write_pref(pPrefKey, pBuffer);
- }
- #ifdef _UNIX
- if (m_pCallback && !m_pCallback->IsPending())
- {
- m_pCallback->ScheduleCallback();
- }
- #endif
- return theErr;
- }
- /************************************************************************
- * Method:
- * IHXPreferences::DeletePref
- * Purpose:
- * TBD
- */
- STDMETHODIMP HXPreferences::DeletePref(const char* pPrefKey)
- {
- HX_RESULT theErr = m_pPref->delete_pref(pPrefKey);
- #ifdef _UNIX
- if (m_pCallback && !m_pCallback->IsPending())
- {
- m_pCallback->ScheduleCallback();
- }
- #endif
- return theErr;
- }
- /************************************************************************
- * Method:
- * IHXPreferences::GetPreferenceEnumerator
- * Purpose:
- * TBD
- */
- STDMETHODIMP HXPreferences::GetPreferenceEnumerator(
- REF(IHXPreferenceEnumerator*) /*OUT*/ pEnum)
- {
- pEnum = new HXPreferenceEnumerator(
- m_CompanyName,
- m_ProductName,
- m_nProdMajorVer,
- m_nProdMinorVer,
- m_bCommon);
- if (!pEnum)
- return HXR_FAIL;
- pEnum->AddRef();
- return HXR_OK;
- }
- STDMETHODIMP HXPreferences::ResetRoot(const char* pCompanyName, const char* pProductName,
- int nProdMajorVer, int nProdMinorVer)
- {
- if (m_pPref)
- {
- delete m_pPref;
- }
- if(m_bCommon)
- return Open( pCompanyName, pProductName, nProdMajorVer, nProdMinorVer );
- return OpenUserPref( pCompanyName, pProductName, nProdMajorVer, nProdMinorVer );
- }
- /***********************************************************************
- **** HXPreferenceEnumerator ****
- ***********************************************************************/
- HXPreferenceEnumerator::HXPreferenceEnumerator(
- const char* pCompanyName,
- const char* pProductName,
- ULONG32 nProdMajorVer,
- ULONG32 nProdMinorVer,
- BOOL bCommon)
- : m_lRefCount (0)
- , m_pPref(0)
- {
- m_pPref = CPlayerPref::open_pref(pCompanyName, pProductName, nProdMajorVer, nProdMinorVer, bCommon);
- }
- HXPreferenceEnumerator::~HXPreferenceEnumerator()
- {
- if (m_pPref)
- {
- delete m_pPref;
- m_pPref = 0;
- }
- }
- /*
- * IUnknown methods
- */
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // IUnknown::QueryInterface
- // Purpose:
- // Implement this to export the interfaces supported by your
- // object.
- //
- STDMETHODIMP HXPreferenceEnumerator::QueryInterface(REFIID riid, void** ppvObj)
- {
- QInterfaceList qiList[] =
- {
- { GET_IIDHANDLE(IID_IHXPreferenceEnumerator), (IHXPreferenceEnumerator*)this },
- { GET_IIDHANDLE(IID_IUnknown), (IUnknown*)(IHXPreferenceEnumerator*)this },
- };
-
- return ::QIFind(qiList, QILISTSIZE(qiList), riid, ppvObj);
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // IUnknown::AddRef
- // Purpose:
- // Everyone usually implements this the same... feel free to use
- // this implementation.
- //
- STDMETHODIMP_(ULONG32) HXPreferenceEnumerator::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // IUnknown::Release
- // Purpose:
- // Everyone usually implements this the same... feel free to use
- // this implementation.
- //
- STDMETHODIMP_(ULONG32) HXPreferenceEnumerator::Release()
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }
- /************************************************************************
- * Method:
- * IHXPreferenceEnumerator::EndSubPref
- * Purpose:
- * TBD
- */
- STDMETHODIMP HXPreferenceEnumerator::BeginSubPref (const char* szSubPref)
- {
- return m_pPref->BeginSubPref(szSubPref);
- }
- /************************************************************************
- * Method:
- * IHXPreferenceEnumerator::EndSubPref
- * Purpose:
- * TBD
- */
- STDMETHODIMP HXPreferenceEnumerator::EndSubPref()
- {
- return m_pPref->EndSubPref();
- }
- /************************************************************************
- * Method:
- * IHXPreferenceEnumerator::GetPrefKey
- * Purpose:
- * TBD
- */
- STDMETHODIMP HXPreferenceEnumerator::GetPrefKey (UINT32 nIndex, REF(IHXBuffer*) pBuffer)
- {
- return m_pPref->GetPrefKey(nIndex, pBuffer);
- }
- /************************************************************************
- * Method:
- * IHXPreferenceEnumerator::ReadPref
- * Purpose:
- * TBD
- */
- STDMETHODIMP HXPreferenceEnumerator::ReadPref(const char* pPrefKey, IHXBuffer*& pBuffer)
- {
- return m_pPref->read_pref(pPrefKey, pBuffer);
- }