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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 "documenteventexecutor.hxx"
22 :
23 : #include <com/sun/star/document/XDocumentEventBroadcaster.hpp>
24 : #include <com/sun/star/util/URLTransformer.hpp>
25 : #include <com/sun/star/util/XURLTransformer.hpp>
26 : #include <com/sun/star/frame/XModel.hpp>
27 : #include <com/sun/star/frame/XDispatchProvider.hpp>
28 :
29 : #include <comphelper/componentcontext.hxx>
30 : #include <comphelper/namedvaluecollection.hxx>
31 : #include <cppuhelper/weakref.hxx>
32 : #include <tools/diagnose_ex.h>
33 : #include <vcl/svapp.hxx>
34 : #include <osl/mutex.hxx>
35 :
36 : namespace dbaccess
37 : {
38 :
39 : /** === begin UNO using === **/
40 : using ::com::sun::star::uno::Reference;
41 : using ::com::sun::star::uno::XInterface;
42 : using ::com::sun::star::uno::UNO_QUERY;
43 : using ::com::sun::star::uno::UNO_QUERY_THROW;
44 : using ::com::sun::star::uno::UNO_SET_THROW;
45 : using ::com::sun::star::uno::Exception;
46 : using ::com::sun::star::uno::RuntimeException;
47 : using ::com::sun::star::uno::Any;
48 : using ::com::sun::star::uno::makeAny;
49 : using ::com::sun::star::uno::Sequence;
50 : using ::com::sun::star::uno::Type;
51 : using ::com::sun::star::uno::WeakReference;
52 : using ::com::sun::star::document::XDocumentEventBroadcaster;
53 : using ::com::sun::star::document::XEventsSupplier;
54 : using ::com::sun::star::container::XNameAccess;
55 : using ::com::sun::star::frame::XModel;
56 : using ::com::sun::star::util::URLTransformer;
57 : using ::com::sun::star::util::XURLTransformer;
58 : using ::com::sun::star::frame::XDispatchProvider;
59 : using ::com::sun::star::frame::XDispatch;
60 : using ::com::sun::star::util::URL;
61 : using ::com::sun::star::beans::PropertyValue;
62 : using ::com::sun::star::frame::XController;
63 : using ::com::sun::star::document::DocumentEvent;
64 : /** === end UNO using === **/
65 : using namespace ::com::sun::star;
66 :
67 : //====================================================================
68 : //= DocumentEventExecutor_Data
69 : //====================================================================
70 0 : struct DocumentEventExecutor_Data
71 : {
72 : WeakReference< XEventsSupplier > xDocument;
73 : Reference< XURLTransformer > xURLTransformer;
74 :
75 0 : DocumentEventExecutor_Data( const Reference< XEventsSupplier >& _rxDocument )
76 0 : :xDocument( _rxDocument )
77 : {
78 0 : }
79 : };
80 :
81 : namespace
82 : {
83 0 : static void lcl_dispatchScriptURL_throw( DocumentEventExecutor_Data& _rDocExecData,
84 : const ::rtl::OUString& _rScriptURL, const DocumentEvent& _rTrigger )
85 : {
86 0 : Reference< XModel > xDocument( _rDocExecData.xDocument.get(), UNO_QUERY_THROW );
87 :
88 0 : Reference< XController > xController( xDocument->getCurrentController() );
89 0 : Reference< XDispatchProvider > xDispProv;
90 0 : if ( xController.is() )
91 0 : xDispProv.set( xController->getFrame(), UNO_QUERY );
92 0 : if ( !xDispProv.is() )
93 : {
94 : OSL_FAIL( "lcl_dispatchScriptURL_throw: no controller/frame? How should I dispatch?" );
95 : return;
96 : }
97 :
98 0 : URL aScriptURL;
99 0 : aScriptURL.Complete = _rScriptURL;
100 0 : if ( _rDocExecData.xURLTransformer.is() )
101 0 : _rDocExecData.xURLTransformer->parseStrict( aScriptURL );
102 :
103 : // unfortunately, executing a script can trigger all kind of complex stuff, and unfortunately, not
104 : // every component involved into this properly cares for thread safety. To be on the safe side,
105 : // we lock the solar mutex here.
106 0 : SolarMutexGuard aSolarGuard;
107 :
108 0 : Reference< XDispatch > xDispatch( xDispProv->queryDispatch( aScriptURL, ::rtl::OUString(), 0 ) );
109 0 : if ( !xDispatch.is() )
110 : {
111 : OSL_FAIL( "lcl_dispatchScriptURL_throw: no dispatcher for the script URL!" );
112 : return;
113 : }
114 :
115 0 : PropertyValue aEventParam;
116 0 : aEventParam.Value <<= _rTrigger;
117 0 : Sequence< PropertyValue > aDispatchArgs( &aEventParam, 1 );
118 0 : xDispatch->dispatch( aScriptURL, aDispatchArgs );
119 : }
120 : }
121 :
122 : //====================================================================
123 : //= DocumentEventExecutor
124 : //====================================================================
125 0 : DocumentEventExecutor::DocumentEventExecutor( const ::comphelper::ComponentContext& _rContext,
126 : const Reference< XEventsSupplier >& _rxDocument )
127 0 : :m_pData( new DocumentEventExecutor_Data( _rxDocument ) )
128 : {
129 0 : Reference< XDocumentEventBroadcaster > xBroadcaster( _rxDocument, UNO_QUERY_THROW );
130 :
131 0 : osl_atomic_increment( &m_refCount );
132 : {
133 0 : xBroadcaster->addDocumentEventListener( this );
134 : }
135 0 : osl_atomic_decrement( &m_refCount );
136 :
137 : try
138 : {
139 0 : m_pData->xURLTransformer = URLTransformer::create(_rContext.getUNOContext());
140 : }
141 0 : catch( const Exception& )
142 : {
143 : DBG_UNHANDLED_EXCEPTION();
144 0 : }
145 0 : }
146 :
147 0 : DocumentEventExecutor::~DocumentEventExecutor()
148 : {
149 0 : }
150 :
151 0 : void SAL_CALL DocumentEventExecutor::documentEventOccured( const DocumentEvent& _Event ) throw (RuntimeException)
152 : {
153 0 : Reference< XEventsSupplier > xEventsSupplier( m_pData->xDocument.get(), UNO_QUERY );
154 0 : if ( !xEventsSupplier.is() )
155 : {
156 : OSL_FAIL( "DocumentEventExecutor::documentEventOccurred: no document anymore, but still being notified?" );
157 : return;
158 : }
159 :
160 0 : Reference< XModel > xDocument( xEventsSupplier, UNO_QUERY_THROW );
161 :
162 : try
163 : {
164 0 : Reference< XNameAccess > xDocEvents( xEventsSupplier->getEvents().get(), UNO_SET_THROW );
165 0 : if ( !xDocEvents->hasByName( _Event.EventName ) )
166 : {
167 : // this is worth an assertion: We are listener at the very same document which we just asked
168 : // for its events. So when EventName is fired, why isn't it supported by xDocEvents?
169 : OSL_FAIL( "DocumentEventExecutor::documentEventOccurred: an unsupported event is notified!" );
170 : return;
171 : }
172 :
173 0 : const ::comphelper::NamedValueCollection aScriptDescriptor( xDocEvents->getByName( _Event.EventName ) );
174 :
175 0 : ::rtl::OUString sEventType;
176 0 : bool bScriptAssigned = aScriptDescriptor.get_ensureType( "EventType", sEventType );
177 :
178 0 : ::rtl::OUString sScript;
179 0 : bScriptAssigned = bScriptAssigned && aScriptDescriptor.get_ensureType( "Script", sScript );
180 :
181 0 : if ( !bScriptAssigned )
182 : // no script is assigned to this event
183 : return;
184 :
185 0 : bool bDispatchScriptURL = ( sEventType == "Script" || sEventType == "Service" );
186 0 : bool bNonEmptyScript = !sScript.isEmpty();
187 :
188 : OSL_ENSURE( bDispatchScriptURL && bNonEmptyScript,
189 : "DocumentEventExecutor::documentEventOccurred: invalid/unsupported script descriptor" );
190 :
191 0 : if ( bDispatchScriptURL && bNonEmptyScript )
192 : {
193 0 : lcl_dispatchScriptURL_throw( *m_pData, sScript, _Event );
194 0 : }
195 : }
196 0 : catch( const RuntimeException& ) { throw; }
197 0 : catch( const Exception& )
198 : {
199 : DBG_UNHANDLED_EXCEPTION();
200 0 : }
201 : }
202 :
203 0 : void SAL_CALL DocumentEventExecutor::disposing( const lang::EventObject& /*_Source*/ ) throw (RuntimeException)
204 : {
205 : // not interested in
206 0 : }
207 :
208 : } // namespace dbaccess
209 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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