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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.
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 "vcl/svapp.hxx"
22 : #include "osl/mutex.hxx"
23 : #include "sal/config.h"
24 : #include "cppuhelper/factory.hxx"
25 : #include "cppuhelper/implementationentry.hxx"
26 : #include "cppuhelper/implbase2.hxx"
27 : #include "com/sun/star/lang/XServiceInfo.hpp"
28 : #include "com/sun/star/awt/XRequestCallback.hpp"
29 :
30 :
31 : // component helper namespace
32 : namespace comp_AsyncCallback {
33 :
34 : // component and service helper functions:
35 : ::rtl::OUString SAL_CALL _getImplementationName();
36 : css::uno::Sequence< ::rtl::OUString > SAL_CALL _getSupportedServiceNames();
37 : css::uno::Reference< css::uno::XInterface > SAL_CALL _create( css::uno::Reference< css::uno::XComponentContext > const & context );
38 :
39 : } // closing component helper namespace
40 :
41 :
42 :
43 : /// anonymous implementation namespace
44 : namespace {
45 :
46 : class AsyncCallback:
47 : public ::cppu::WeakImplHelper2<
48 : css::lang::XServiceInfo,
49 : css::awt::XRequestCallback>
50 : {
51 : public:
52 : explicit AsyncCallback(css::uno::Reference< css::uno::XComponentContext > const & context);
53 :
54 : // ::com::sun::star::lang::XServiceInfo:
55 : virtual ::rtl::OUString SAL_CALL getImplementationName() throw (css::uno::RuntimeException);
56 : virtual ::sal_Bool SAL_CALL supportsService(const ::rtl::OUString & ServiceName) throw (css::uno::RuntimeException);
57 : virtual css::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw (css::uno::RuntimeException);
58 :
59 : // ::com::sun::star::awt::XRequestCallback:
60 : virtual void SAL_CALL addCallback(const css::uno::Reference< css::awt::XCallback > & xCallback, const ::com::sun::star::uno::Any & aData) throw (css::uno::RuntimeException);
61 :
62 : private:
63 :
64 0 : struct CallbackData
65 : {
66 0 : CallbackData( const css::uno::Reference< css::awt::XCallback >& rCallback, const css::uno::Any& rAny ) :
67 0 : xCallback( rCallback ), aData( rAny ) {}
68 :
69 : css::uno::Reference< css::awt::XCallback > xCallback;
70 : css::uno::Any aData;
71 : };
72 :
73 : DECL_STATIC_LINK( AsyncCallback, Notify_Impl, CallbackData* );
74 :
75 : AsyncCallback(AsyncCallback &); // not defined
76 : void operator =(AsyncCallback &); // not defined
77 :
78 0 : virtual ~AsyncCallback() {}
79 :
80 : css::uno::Reference< css::uno::XComponentContext > m_xContext;
81 : };
82 :
83 0 : AsyncCallback::AsyncCallback(css::uno::Reference< css::uno::XComponentContext > const & context) :
84 0 : m_xContext(context)
85 0 : {}
86 :
87 : // com.sun.star.uno.XServiceInfo:
88 0 : ::rtl::OUString SAL_CALL AsyncCallback::getImplementationName() throw (css::uno::RuntimeException)
89 : {
90 0 : return comp_AsyncCallback::_getImplementationName();
91 : }
92 :
93 0 : ::sal_Bool SAL_CALL AsyncCallback::supportsService(::rtl::OUString const & serviceName) throw (css::uno::RuntimeException)
94 : {
95 0 : const css::uno::Sequence< ::rtl::OUString > serviceNames = comp_AsyncCallback::_getSupportedServiceNames();
96 0 : for (::sal_Int32 i = 0; i < serviceNames.getLength(); ++i) {
97 0 : if (serviceNames[i] == serviceName)
98 0 : return sal_True;
99 : }
100 0 : return sal_False;
101 : }
102 :
103 0 : css::uno::Sequence< ::rtl::OUString > SAL_CALL AsyncCallback::getSupportedServiceNames() throw (css::uno::RuntimeException)
104 : {
105 0 : return comp_AsyncCallback::_getSupportedServiceNames();
106 : }
107 :
108 : // ::com::sun::star::awt::XRequestCallback:
109 0 : void SAL_CALL AsyncCallback::addCallback(const css::uno::Reference< css::awt::XCallback > & xCallback, const ::com::sun::star::uno::Any & aData) throw (css::uno::RuntimeException)
110 : {
111 0 : if ( Application::IsInMain() )
112 : {
113 0 : SolarMutexGuard aSolarGuard;
114 :
115 0 : CallbackData* pCallbackData = new CallbackData( xCallback, aData );
116 0 : Application::PostUserEvent( STATIC_LINK( this, AsyncCallback, Notify_Impl ), pCallbackData );
117 : }
118 0 : }
119 :
120 : // private asynchronous link to call reference to the callback object
121 0 : IMPL_STATIC_LINK_NOINSTANCE( AsyncCallback, Notify_Impl, CallbackData*, pCallbackData )
122 : {
123 : try
124 : {
125 : // Asynchronous execution
126 : // Check pointer and reference before!
127 0 : if ( pCallbackData && pCallbackData->xCallback.is() )
128 0 : pCallbackData->xCallback->notify( pCallbackData->aData );
129 : }
130 0 : catch ( css::uno::Exception& )
131 : {
132 : }
133 :
134 0 : delete pCallbackData;
135 0 : return 0;
136 : }
137 :
138 : } // closing anonymous implementation namespace
139 :
140 :
141 :
142 : // component helper namespace
143 : namespace comp_AsyncCallback {
144 :
145 0 : ::rtl::OUString SAL_CALL _getImplementationName() {
146 : return ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
147 0 : "com.sun.star.awt.comp.AsyncCallback"));
148 : }
149 :
150 0 : css::uno::Sequence< ::rtl::OUString > SAL_CALL _getSupportedServiceNames()
151 : {
152 0 : css::uno::Sequence< ::rtl::OUString > s(1);
153 0 : s[0] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
154 0 : "com.sun.star.awt.AsyncCallback"));
155 0 : return s;
156 : }
157 :
158 0 : css::uno::Reference< css::uno::XInterface > SAL_CALL _create(
159 : const css::uno::Reference< css::uno::XComponentContext > & context)
160 : SAL_THROW((css::uno::Exception))
161 : {
162 0 : return static_cast< ::cppu::OWeakObject * >(new AsyncCallback(context));
163 : }
164 :
165 : } // closing component helper namespace
166 :
167 : static ::cppu::ImplementationEntry const entries[] = {
168 : { &comp_AsyncCallback::_create,
169 : &comp_AsyncCallback::_getImplementationName,
170 : &comp_AsyncCallback::_getSupportedServiceNames,
171 : &::cppu::createSingleComponentFactory, 0, 0 },
172 : { 0, 0, 0, 0, 0, 0 }
173 : };
174 :
175 0 : void * SAL_CALL comp_AsyncCallback_component_getFactory(
176 : const char * implName, void * serviceManager, void * registryKey)
177 : {
178 : return ::cppu::component_getFactoryHelper(
179 0 : implName, serviceManager, registryKey, entries);
180 : }
181 :
182 :
183 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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