LibreOffice Module ucb (master)  1
gio_provider.cxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3  * This file is part of the LibreOffice project.
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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/log.hxx>
23 #include <ucbhelper/macros.hxx>
25 #include <com/sun/star/ucb/ContentCreationException.hpp>
26 #include <com/sun/star/ucb/IllegalIdentifierException.hpp>
27 #include "gio_provider.hxx"
28 #include "gio_content.hxx"
29 
30 namespace gio
31 {
32 css::uno::Reference< css::ucb::XContent > SAL_CALL
34  const css::uno::Reference< css::ucb::XContentIdentifier >& Identifier )
35 {
36  SAL_INFO("ucb.ucp.gio", "QueryContent: " << Identifier->getContentIdentifier());
37  osl::MutexGuard aGuard( m_aMutex );
38 
39  // Check, if a content with given id already exists...
40  css::uno::Reference< css::ucb::XContent > xContent = queryExistingContent( Identifier ).get();
41  if ( xContent.is() )
42  return xContent;
43 
44  try
45  {
46  xContent = new ::gio::Content(m_xContext, this, Identifier);
47  }
48  catch ( css::ucb::ContentCreationException const & )
49  {
50  throw css::ucb::IllegalIdentifierException();
51  }
52 
53  if ( !xContent->getIdentifier().is() )
54  throw css::ucb::IllegalIdentifierException();
55 
56  return xContent;
57 }
58 
60  const css::uno::Reference< css::uno::XComponentContext >& rxContext )
61 : ::ucbhelper::ContentProviderImplHelper( rxContext )
62 {
63 }
64 
66 {
67 }
68 
69 // XInterface
70 void SAL_CALL ContentProvider::acquire()
71  throw()
72 {
73  OWeakObject::acquire();
74 }
75 
76 void SAL_CALL ContentProvider::release()
77  throw()
78 {
79  OWeakObject::release();
80 }
81 
82 css::uno::Any SAL_CALL ContentProvider::queryInterface( const css::uno::Type & rType )
83 {
84  css::uno::Any aRet = cppu::queryInterface( rType,
85  static_cast< css::lang::XTypeProvider* >(this),
86  static_cast< css::lang::XServiceInfo* >(this),
87  static_cast< css::ucb::XContentProvider* >(this)
88  );
89  return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
90 }
91 
93  css::lang::XTypeProvider,
94  css::lang::XServiceInfo,
95  css::ucb::XContentProvider );
96 
97 css::uno::Sequence< OUString > SAL_CALL ContentProvider::getSupportedServiceNames()
98 {
99  return { "com.sun.star.ucb.GIOContentProvider" };
100 }
101 
103 {
104  return "com.sun.star.comp.GIOContentProvider";
105 }
106 
107 sal_Bool SAL_CALL ContentProvider::supportsService(const OUString& aServiceName)
108 {
109  return cppu::supportsService(this, aServiceName);
110 }
111 
112 
113 }
114 
115 // gio creates threads we don't want in online's forkit
116 static bool isDisabled()
117 {
118  const char *pDisable = getenv("UNODISABLELIBRARY");
119  if (!pDisable)
120  return false;
121  OString aDisable(pDisable, strlen(pDisable));
122  return aDisable.indexOf("ucpgio1") >= 0;
123 }
124 
125 
126 
127 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
129  css::uno::XComponentContext* context , css::uno::Sequence<css::uno::Any> const&)
130 {
131  static bool bDisabled = isDisabled();
132  if (bDisabled)
133  return nullptr;
134  static rtl::Reference<gio::ContentProvider> g_Instance = [&]() {
135  #if !GLIB_CHECK_VERSION(2,36,0)
136  g_type_init();
137  #endif
138  return new gio::ContentProvider(context);
139  }();
140  g_Instance->acquire();
141  return static_cast<cppu::OWeakObject*>(g_Instance.get());
142 }
143 
144 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
virtual void SAL_CALL acquire() override
virtual sal_Bool SAL_CALL supportsService(const OUString &ServiceName) override
SAL_DLLPUBLIC_EXPORT css::uno::XInterface * ucb_gio_ContentProvider_get_implementation(css::uno::XComponentContext *context, css::uno::Sequence< css::uno::Any > const &)
virtual css::uno::Any SAL_CALL queryInterface(const css::uno::Type &rType) override
static bool isDisabled()
virtual void SAL_CALL release() override
virtual ~ContentProvider() override
ContentProvider(const css::uno::Reference< css::uno::XComponentContext > &rxContext)
bool CPPUHELPER_DLLPUBLIC supportsService(css::lang::XServiceInfo *implementation, rtl::OUString const &name)
virtual OUString SAL_CALL getImplementationName() override
XTYPEPROVIDER_IMPL_3(ContentProvider, css::lang::XTypeProvider, css::lang::XServiceInfo, css::ucb::XContentProvider)
virtual css::uno::Reference< css::ucb::XContent > SAL_CALL queryContent(const css::uno::Reference< css::ucb::XContentIdentifier > &Identifier) override
unsigned char sal_Bool
rtl::Reference< ContentImplHelper > queryExistingContent(const css::uno::Reference< css::ucb::XContentIdentifier > &Identifier)
css::uno::Reference< css::uno::XComponentContext > m_xContext
virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override
#define SAL_INFO(area, stream)
friend ContentProvider
Definition: pkgprovider.cxx:54
uno::Reference< ucb::XContent > xContent
css::uno::Any SAL_CALL queryInterface(const css::uno::Type &rType, Interface1 *p1)