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/UnknownModuleException.hpp>
  28 #include <com/sun/star/frame/XModuleManager2.hpp>
  29 #include <com/sun/star/frame/XFrame.hpp>
  30 #include <com/sun/star/lang/XServiceInfo.hpp>
  31 #include <com/sun/star/lang/XSingleComponentFactory.hpp>
  32 #include <com/sun/star/uno/XComponentContext.hpp>
  33
  34 #include <comphelper/compbase.hxx>
  35 #include <cppuhelper/supportsservice.hxx>
  36 #include <rtl/ref.hxx>
  37 #include <utility>
  38 #include <comphelper/diagnose_ex.hxx>
  39
  40 using namespace ::com::sun::star;
  41 using namespace framework;
  42
  43 namespace {
  44
  45 typedef comphelper::WeakComponentImplHelper<
  46     css::lang::XServiceInfo,
  47     css::lang::XSingleComponentFactory > WindowContentFactoryManager_BASE;
  48
  49 class WindowContentFactoryManager : public WindowContentFactoryManager_BASE
  50 {
  51 public:
  52     explicit WindowContentFactoryManager( css::uno::Reference< css::uno::XComponentContext> xContext );
  53
  54     virtual OUString SAL_CALL getImplementationName() override
  55     {
  56         return "com.sun.star.comp.framework.WindowContentFactoryManager";
  57     }
  58
  59     virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
  60     {
  61         return cppu::supportsService(this, ServiceName);
  62     }
  63
  64     virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
  65     {
  66         return {"com.sun.star.ui.WindowContentFactoryManager"};
  67     }
  68
  69     // XSingleComponentFactory
  70     virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithContext( const css::uno::Reference< css::uno::XComponentContext >& Context ) override;
  71     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 ) override;
  72
  73 private:
  74     virtual void disposing(std::unique_lock<std::mutex>&) override;
  75
  76     css::uno::Reference< css::uno::XComponentContext >     m_xContext;
  77     bool                                               m_bConfigRead;
  78     rtl::Reference<ConfigurationAccess_FactoryManager> m_pConfigAccess;
  79 };
  80
  81 WindowContentFactoryManager::WindowContentFactoryManager( uno::Reference< uno::XComponentContext > xContext ) :
  82     m_xContext(std::move( xContext )),
  83     m_bConfigRead( false ),
  84     m_pConfigAccess(
  85         new ConfigurationAccess_FactoryManager(
  86             m_xContext,
  87             "/org.openoffice.Office.UI.WindowContentFactories/Registered/ContentFactories"))
  88 {}
  89
  90 void WindowContentFactoryManager::disposing(std::unique_lock<std::mutex>&)
  91 {
  92     m_pConfigAccess.clear();
  93 }
  94
  95 // XSingleComponentFactory
  96 uno::Reference< uno::XInterface > SAL_CALL WindowContentFactoryManager::createInstanceWithContext(
  97     const uno::Reference< uno::XComponentContext >& /*xContext*/ )
  98 {
  99     uno::Reference< uno::XInterface > xWindow;
 100     return xWindow;
 101 }
 102
 103 uno::Reference< uno::XInterface > SAL_CALL WindowContentFactoryManager::createInstanceWithArgumentsAndContext(
 104     const uno::Sequence< uno::Any >& Arguments, const uno::Reference< uno::XComponentContext >& Context )
 105 {
 106     uno::Reference< uno::XInterface > xWindow;
 107     uno::Reference< frame::XFrame >   xFrame;
 108     OUString                   aResourceURL;
 109
 110     for (auto const & arg : Arguments )
 111     {
 112         beans::PropertyValue aPropValue;
 113         if ( arg >>= aPropValue )
 114         {
 115             if ( aPropValue.Name == "Frame" )
 116                 aPropValue.Value >>= xFrame;
 117             else if ( aPropValue.Name == "ResourceURL" )
 118                 aPropValue.Value >>= aResourceURL;
 119         }
 120     }
 121
 122     // Determine the module identifier
 123     OUString aType;
 124     OUString aName;
 125     OUString aModuleId;
 126     uno::Reference< frame::XModuleManager2 > xModuleManager =
 127         frame::ModuleManager::create( m_xContext );
 128     try
 129     {
 130         if ( xFrame.is() && xModuleManager.is() )
 131             aModuleId = xModuleManager->identify( uno::Reference< uno::XInterface >( xFrame, uno::UNO_QUERY ) );
 132     }
 133     catch ( const frame::UnknownModuleException& )
 134     {
 135     }
 136
 137     RetrieveTypeNameFromResourceURL( aResourceURL, aType, aName );
 138     if ( !aType.isEmpty() &&
 139          !aName.isEmpty() &&
 140          !aModuleId.isEmpty() )
 141     {
 142         OUString                   aImplementationName;
 143         uno::Reference< uno::XInterface > xHolder( static_cast<cppu::OWeakObject*>(this), uno::UNO_QUERY );
 144
 145         // Determine the implementation name of the window content factory dependent on the
 146         // module identifier, user interface element type and name
 147         { // SAFE
 148             std::unique_lock g(m_aMutex);
 149             if (m_bDisposed) {
 150                 throw css::lang::DisposedException(
 151                     "disposed", static_cast<OWeakObject *>(this));
 152             }
 153             if ( !m_bConfigRead )
 154             {
 155                 m_bConfigRead = true;
 156                 m_pConfigAccess->readConfigurationData();
 157             }
 158             aImplementationName = m_pConfigAccess->getFactorySpecifierFromTypeNameModule( aType, aName, aModuleId );
 159         } // SAFE
 160
 161         if ( !aImplementationName.isEmpty() )
 162         {
 163             uno::Reference< lang::XMultiServiceFactory > xServiceManager( Context->getServiceManager(), uno::UNO_QUERY );
 164             if ( xServiceManager.is() )
 165             {
 166                 uno::Reference< lang::XSingleComponentFactory > xFactory(
 167                     xServiceManager->createInstance( aImplementationName ), uno::UNO_QUERY );
 168                 if ( xFactory.is() )
 169                 {
 170                     // Be careful: We call external code. Therefore here we have to catch all exceptions
 171                     try
 172                     {
 173                         xWindow = xFactory->createInstanceWithArgumentsAndContext( Arguments, Context );
 174                     }
 175                     catch ( uno::Exception& )
 176                     {
 177                         DBG_UNHANDLED_EXCEPTION("fwk");
 178                     }
 179                 }
 180             }
 181         }
 182     }
 183
 184     // UNSAFE
 185     if ( !xWindow.is())
 186     {
 187         // Fallback: Use internal factory code to create a toolkit dialog as a content window
 188         xWindow = createInstanceWithContext(Context);
 189     }
 190
 191     return xWindow;
 192 }
 193
 194 }
 195
 196 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
 197 com_sun_star_comp_framework_WindowContentFactoryManager_get_implementation(
 198     css::uno::XComponentContext *context,
 199     css::uno::Sequence<css::uno::Any> const &)
 200 {
 201     return cppu::acquire(new WindowContentFactoryManager(context));
 202 }
 203
 204 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */