desktop/source/deployment/manager/dp_managerfac.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include "dp_manager.h"
  22 #include <dp_resource.h>
  23 #include <dp_services.hxx>
  24 #include <cppuhelper/compbase.hxx>
  25 #include <comphelper/servicedecl.hxx>
  26 #include <com/sun/star/deployment/thePackageManagerFactory.hpp>
  27 #include <unordered_map>
  28
  29 using namespace ::dp_misc;
  30 using namespace ::com::sun::star;
  31 using namespace ::com::sun::star::uno;
  32
  33 namespace dp_manager {
  34 namespace factory {
  35
  36 typedef ::cppu::WeakComponentImplHelper<
  37     deployment::XPackageManagerFactory > t_pmfac_helper;
  38
  39
  40 class PackageManagerFactoryImpl : private MutexHolder, public t_pmfac_helper
  41 {
  42     Reference<XComponentContext> m_xComponentContext;
  43
  44     Reference<deployment::XPackageManager> m_xUserMgr;
  45     Reference<deployment::XPackageManager> m_xSharedMgr;
  46     Reference<deployment::XPackageManager> m_xBundledMgr;
  47     Reference<deployment::XPackageManager> m_xTmpMgr;
  48     Reference<deployment::XPackageManager> m_xBakMgr;
  49     typedef std::unordered_map<
  50         OUString, WeakReference<deployment::XPackageManager> > t_string2weakref;
  51     t_string2weakref m_managers;
  52
  53 protected:
  54     inline void check();
  55     virtual void SAL_CALL disposing() override;
  56
  57 public:
  58     explicit PackageManagerFactoryImpl(
  59         Reference<XComponentContext> const & xComponentContext );
  60
  61     // XPackageManagerFactory
  62     virtual Reference<deployment::XPackageManager> SAL_CALL getPackageManager(
  63         OUString const & context ) override;
  64 };
  65
  66
  67 namespace sdecl = comphelper::service_decl;
  68 sdecl::class_<PackageManagerFactoryImpl> const servicePMFI;
  69 sdecl::ServiceDecl const serviceDecl(
  70     servicePMFI,
  71     // a private one:
  72     "com.sun.star.comp.deployment.PackageManagerFactory",
  73     "com.sun.star.comp.deployment.PackageManagerFactory" );
  74
  75
  76 PackageManagerFactoryImpl::PackageManagerFactoryImpl(
  77     Reference<XComponentContext> const & xComponentContext )
  78     : t_pmfac_helper( getMutex() ),
  79       m_xComponentContext( xComponentContext )
  80 {
  81 }
  82
  83 inline void PackageManagerFactoryImpl::check()
  84 {
  85     ::osl::MutexGuard guard( getMutex() );
  86     if (rBHelper.bInDispose || rBHelper.bDisposed)
  87     {
  88         throw lang::DisposedException(
  89             "PackageManagerFactory instance has already been disposed!",
  90             static_cast<OWeakObject *>(this) );
  91     }
  92 }
  93
  94
  95 void PackageManagerFactoryImpl::disposing()
  96 {
  97     // dispose all managers:
  98     ::osl::MutexGuard guard( getMutex() );
  99     for (auto const& elem : m_managers)
 100         try_dispose( elem.second );
 101     m_managers = t_string2weakref();
 102     // the below are already disposed:
 103     m_xUserMgr.clear();
 104     m_xSharedMgr.clear();
 105     m_xBundledMgr.clear();
 106     m_xTmpMgr.clear();
 107     m_xBakMgr.clear();
 108 }
 109
 110 // XPackageManagerFactory
 111
 112 Reference<deployment::XPackageManager>
 113 PackageManagerFactoryImpl::getPackageManager( OUString const & context )
 114 {
 115     Reference< deployment::XPackageManager > xRet;
 116     ::osl::ResettableMutexGuard guard( getMutex() );
 117     check();
 118     t_string2weakref::const_iterator const iFind( m_managers.find( context ) );
 119     if (iFind != m_managers.end()) {
 120         xRet = iFind->second;
 121         if (xRet.is())
 122             return xRet;
 123     }
 124
 125     guard.clear();
 126     xRet.set( PackageManagerImpl::create( m_xComponentContext, context ) );
 127     guard.reset();
 128     std::pair< t_string2weakref::iterator, bool > insertion(
 129         m_managers.emplace( context, xRet ) );
 130     if (insertion.second)
 131     {
 132         OSL_ASSERT( insertion.first->second.get() == xRet );
 133         // hold user, shared mgrs for whole process: live deployment
 134         if ( context == "user" )
 135             m_xUserMgr = xRet;
 136         else if ( context == "shared" )
 137             m_xSharedMgr = xRet;
 138         else if ( context == "bundled" )
 139             m_xBundledMgr = xRet;
 140         else if ( context == "tmp" )
 141             m_xTmpMgr = xRet;
 142         else if ( context == "bak" )
 143             m_xBakMgr = xRet;
 144     }
 145     else
 146     {
 147         Reference< deployment::XPackageManager > xAlreadyIn(
 148             insertion.first->second );
 149         if (xAlreadyIn.is())
 150         {
 151             guard.clear();
 152             try_dispose( xRet );
 153             xRet = xAlreadyIn;
 154         }
 155         else
 156         {
 157             insertion.first->second = xRet;
 158         }
 159     }
 160     return xRet;
 161 }
 162
 163 } // namespace factory
 164 } // namespace dp_manager
 165
 166 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */