framework/source/uifactory/windowcontentfactorymanager.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 #include <sal/config.h>
  21
  22 #include <uifactory/configurationaccessfactorymanager.hxx>
  23 #include <helper/mischelper.hxx>
  24
  25 #include <com/sun/star/beans/PropertyValue.hpp>
  26 #include <com/sun/star/frame/ModuleManager.hpp>
  27 #include <com/sun/star/frame/XModuleManager2.hpp>
  28 #include <com/sun/star/frame/XFrame.hpp>
  29 #include <com/sun/star/lang/XServiceInfo.hpp>
  30 #include <com/sun/star/lang/XSingleComponentFactory.hpp>
  31 #include <com/sun/star/uno/XComponentContext.hpp>
  32
  33 #include <cppuhelper/basemutex.hxx>
  34 #include <cppuhelper/compbase2.hxx>
  35 #include <cppuhelper/supportsservice.hxx>
  36 #include <tools/diagnose_ex.h>
  37
  38 using namespace ::com::sun::star;
  39 using namespace framework;
  40
  41 namespace {
  42
  43 typedef ::cppu::WeakComponentImplHelper2<
  44     com::sun::star::lang::XServiceInfo,
  45     com::sun::star::lang::XSingleComponentFactory > WindowContentFactoryManager_BASE;
  46
  47 class WindowContentFactoryManager : private cppu::BaseMutex,
  48                                     public WindowContentFactoryManager_BASE
  49 {
  50 public:
  51     WindowContentFactoryManager( const css::uno::Reference< css::uno::XComponentContext>& rxContext );
  52     virtual ~WindowContentFactoryManager();
  53
  54     virtual OUString SAL_CALL getImplementationName()
  55         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  56     {
  57         return OUString("com.sun.star.comp.framework.WindowContentFactoryManager");
  58     }
  59
  60     virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName)
  61         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  62     {
  63         return cppu::supportsService(this, ServiceName);
  64     }
  65
  66     virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames()
  67         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  68     {
  69         css::uno::Sequence< OUString > aSeq(1);
  70         aSeq[0] = "com.sun.star.ui.WindowContentFactoryManager";
  71         return aSeq;
  72     }
  73
  74     // XSingleComponentFactory
  75     virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithContext( const css::uno::Reference< css::uno::XComponentContext >& Context ) throw (css::uno::Exception, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  76     virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithArgumentsAndContext( const css::uno::Sequence< css::uno::Any >& Arguments, const css::uno::Reference< css::uno::XComponentContext >& Context ) throw (css::uno::Exception, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  77
  78 private:
  79     virtual void SAL_CALL disposing() SAL_OVERRIDE;
  80
  81     css::uno::Reference< css::uno::XComponentContext >     m_xContext;
  82     bool                                               m_bConfigRead;
  83     ConfigurationAccess_FactoryManager*                    m_pConfigAccess;
  84 };
  85
  86 WindowContentFactoryManager::WindowContentFactoryManager( const uno::Reference< uno::XComponentContext >& rxContext ) :
  87     WindowContentFactoryManager_BASE(m_aMutex),
  88     m_xContext( rxContext ),
  89     m_bConfigRead( false )
  90 {
  91     m_pConfigAccess = new ConfigurationAccess_FactoryManager( m_xContext,
  92             "/org.openoffice.Office.UI.WindowContentFactories/Registered/ContentFactories" );
  93     m_pConfigAccess->acquire();
  94 }
  95
  96 WindowContentFactoryManager::~WindowContentFactoryManager()
  97 {
  98     disposing();
  99 }
 100
 101 void SAL_CALL WindowContentFactoryManager::disposing()
 102 {
 103     osl::MutexGuard g(rBHelper.rMutex);
 104
 105     if (m_pConfigAccess)
 106     {
 107         // reduce reference count
 108         m_pConfigAccess->release();
 109         m_pConfigAccess = 0;
 110     }
 111 }
 112
 113 // XSingleComponentFactory
 114 uno::Reference< uno::XInterface > SAL_CALL WindowContentFactoryManager::createInstanceWithContext(
 115     const uno::Reference< uno::XComponentContext >& /*xContext*/ )
 116 throw (uno::Exception, uno::RuntimeException, std::exception)
 117 {
 118     uno::Reference< uno::XInterface > xWindow;
 119     return xWindow;
 120 }
 121
 122 uno::Reference< uno::XInterface > SAL_CALL WindowContentFactoryManager::createInstanceWithArgumentsAndContext(
 123     const uno::Sequence< uno::Any >& Arguments, const uno::Reference< uno::XComponentContext >& Context )
 124 throw (uno::Exception, uno::RuntimeException, std::exception)
 125 {
 126     uno::Reference< uno::XInterface > xWindow;
 127     uno::Reference< frame::XFrame >   xFrame;
 128     OUString                   aResourceURL;
 129
 130     for (sal_Int32 i=0; i < Arguments.getLength(); i++ )
 131     {
 132         beans::PropertyValue aPropValue;
 133         if ( Arguments[i] >>= aPropValue )
 134         {
 135             if ( aPropValue.Name == "Frame" )
 136                 aPropValue.Value >>= xFrame;
 137             else if ( aPropValue.Name == "ResourceURL" )
 138                 aPropValue.Value >>= aResourceURL;
 139         }
 140     }
 141
 142     // Determine the module identifier
 143     OUString aType;
 144     OUString aName;
 145     OUString aModuleId;
 146     uno::Reference< frame::XModuleManager2 > xModuleManager =
 147         frame::ModuleManager::create( m_xContext );
 148     try
 149     {
 150         if ( xFrame.is() && xModuleManager.is() )
 151             aModuleId = xModuleManager->identify( uno::Reference< uno::XInterface >( xFrame, uno::UNO_QUERY ) );
 152     }
 153     catch ( const frame::UnknownModuleException& )
 154     {
 155     }
 156
 157     RetrieveTypeNameFromResourceURL( aResourceURL, aType, aName );
 158     if ( !aType.isEmpty() &&
 159          !aName.isEmpty() &&
 160          !aModuleId.isEmpty() )
 161     {
 162         OUString                   aImplementationName;
 163         uno::Reference< uno::XInterface > xHolder( static_cast<cppu::OWeakObject*>(this), uno::UNO_QUERY );
 164
 165         // Detetmine the implementation name of the window content factory dependent on the
 166         // module identifier, user interface element type and name
 167         { // SAFE
 168         osl::MutexGuard g(rBHelper.rMutex);
 169         if ( !m_bConfigRead )
 170         {
 171             m_bConfigRead = true;
 172             m_pConfigAccess->readConfigurationData();
 173         }
 174         aImplementationName = m_pConfigAccess->getFactorySpecifierFromTypeNameModule( aType, aName, aModuleId );
 175         } // SAFE
 176
 177         if ( !aImplementationName.isEmpty() )
 178         {
 179             uno::Reference< lang::XMultiServiceFactory > xServiceManager( Context->getServiceManager(), uno::UNO_QUERY );
 180             if ( xServiceManager.is() )
 181             {
 182                 uno::Reference< lang::XSingleComponentFactory > xFactory(
 183                     xServiceManager->createInstance( aImplementationName ), uno::UNO_QUERY );
 184                 if ( xFactory.is() )
 185                 {
 186                     // Be careful: We call external code. Therefore here we have to catch all exceptions
 187                     try
 188                     {
 189                         xWindow = xFactory->createInstanceWithArgumentsAndContext( Arguments, Context );
 190                     }
 191                     catch ( uno::Exception& )
 192                     {
 193                         DBG_UNHANDLED_EXCEPTION();
 194                     }
 195                 }
 196             }
 197         }
 198     }
 199
 200     // UNSAFE
 201     if ( !xWindow.is())
 202     {
 203         // Fallback: Use internal factory code to create a toolkit dialog as a content window
 204         xWindow = createInstanceWithContext(Context);
 205     }
 206
 207     return xWindow;
 208 }
 209
 210 struct Instance {
 211     explicit Instance(
 212         css::uno::Reference<css::uno::XComponentContext> const & context):
 213         instance(static_cast<cppu::OWeakObject *>(
 214                     new WindowContentFactoryManager(context)))
 215     {
 216     }
 217
 218     css::uno::Reference<css::uno::XInterface> instance;
 219 };
 220
 221 struct Singleton:
 222     public rtl::StaticWithArg<
 223         Instance, css::uno::Reference<css::uno::XComponentContext>, Singleton>
 224 {};
 225
 226 }
 227
 228 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * SAL_CALL
 229 com_sun_star_comp_framework_WindowContentFactoryManager_get_implementation(
 230     css::uno::XComponentContext *context,
 231     css::uno::Sequence<css::uno::Any> const &)
 232 {
 233     return cppu::acquire(static_cast<cppu::OWeakObject *>(
 234                 Singleton::get(context).instance.get()));
 235 }
 236
 237 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */