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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 "helpinterceptor.hxx"
22 : #include "helpdispatch.hxx"
23 : #include "newhelp.hxx"
24 : #include <sfx2/sfxuno.hxx>
25 : #include <tools/urlobj.hxx>
26 : #include <tools/debug.hxx>
27 : #include <com/sun/star/beans/PropertyValue.hpp>
28 : #include <com/sun/star/frame/XNotifyingDispatch.hpp>
29 : #include <cppuhelper/interfacecontainer.h>
30 : #include <vcl/window.hxx>
31 : #include <limits.h>
32 :
33 : using namespace ::com::sun::star::beans;
34 : using namespace ::com::sun::star::frame;
35 : using namespace ::com::sun::star::uno;
36 : using namespace ::com::sun::star::util;
37 : using namespace ::com::sun::star::lang;
38 :
39 0 : HelpInterceptor_Impl::HelpInterceptor_Impl() :
40 :
41 : m_pHistory ( NULL ),
42 : m_pWindow ( NULL ),
43 0 : m_nCurPos ( 0 )
44 :
45 : {
46 0 : }
47 :
48 :
49 :
50 0 : HelpInterceptor_Impl::~HelpInterceptor_Impl()
51 : {
52 0 : if ( m_pHistory )
53 : {
54 0 : for ( size_t i = 0, n = m_pHistory->size(); i < n; ++i )
55 0 : delete m_pHistory->at( i );
56 0 : delete m_pHistory;
57 : }
58 0 : }
59 :
60 :
61 :
62 0 : void HelpInterceptor_Impl::addURL( const OUString& rURL )
63 : {
64 0 : if ( !m_pHistory )
65 0 : m_pHistory = new HelpHistoryList_Impl;
66 :
67 0 : size_t nCount = m_pHistory->size();
68 0 : if ( nCount && m_nCurPos < ( nCount - 1 ) )
69 : {
70 0 : for ( size_t i = nCount - 1; i > m_nCurPos; i-- )
71 : {
72 0 : delete m_pHistory->at( i );
73 0 : HelpHistoryList_Impl::iterator it = m_pHistory->begin();
74 0 : ::std::advance( it, i );
75 0 : m_pHistory->erase( it );
76 : }
77 : }
78 0 : Reference<XFrame> xFrame(m_xIntercepted, UNO_QUERY);
79 0 : Reference<XController> xController;
80 0 : if(xFrame.is())
81 0 : xController = xFrame->getController();
82 0 : if(xController.is() && !m_pHistory->empty())
83 : {
84 0 : m_pHistory->at( m_nCurPos )->aViewData = xController->getViewData();
85 : }
86 :
87 0 : m_aCurrentURL = rURL;
88 0 : Any aEmptyViewData;
89 0 : m_pHistory->push_back( new HelpHistoryEntry_Impl( rURL, aEmptyViewData ) );
90 0 : m_nCurPos = m_pHistory->size() - 1;
91 : // TODO ?
92 0 : if ( m_xListener.is() )
93 : {
94 0 : ::com::sun::star::frame::FeatureStateEvent aEvent;
95 0 : URL aURL;
96 0 : aURL.Complete = rURL;
97 0 : aEvent.FeatureURL = aURL;
98 0 : aEvent.Source = (::com::sun::star::frame::XDispatch*)this;
99 0 : m_xListener->statusChanged( aEvent );
100 : }
101 :
102 0 : m_pWindow->UpdateToolbox();
103 0 : }
104 :
105 :
106 :
107 0 : void HelpInterceptor_Impl::setInterception( Reference< XFrame > xFrame )
108 : {
109 0 : m_xIntercepted = Reference< XDispatchProviderInterception>( xFrame, UNO_QUERY );
110 :
111 0 : if ( m_xIntercepted.is() )
112 0 : m_xIntercepted->registerDispatchProviderInterceptor( (XDispatchProviderInterceptor*)this );
113 0 : }
114 :
115 :
116 :
117 0 : bool HelpInterceptor_Impl::HasHistoryPred() const
118 : {
119 0 : return m_pHistory && ( m_nCurPos > 0 );
120 : }
121 :
122 0 : bool HelpInterceptor_Impl::HasHistorySucc() const
123 : {
124 0 : return m_pHistory && ( m_nCurPos < ( m_pHistory->size() - 1 ) );
125 : }
126 :
127 :
128 :
129 : // XDispatchProvider
130 :
131 0 : Reference< XDispatch > SAL_CALL HelpInterceptor_Impl::queryDispatch(
132 :
133 : const URL& aURL, const OUString& aTargetFrameName, sal_Int32 nSearchFlags )
134 :
135 : throw( RuntimeException, std::exception )
136 :
137 : {
138 0 : Reference< XDispatch > xResult;
139 0 : if ( m_xSlaveDispatcher.is() )
140 0 : xResult = m_xSlaveDispatcher->queryDispatch( aURL, aTargetFrameName, nSearchFlags );
141 :
142 0 : bool bHelpURL = aURL.Complete.toAsciiLowerCase().match("vnd.sun.star.help",0);
143 :
144 0 : if ( bHelpURL )
145 : {
146 : DBG_ASSERT( xResult.is(), "invalid dispatch" );
147 0 : HelpDispatch_Impl* pHelpDispatch = new HelpDispatch_Impl( *this, xResult );
148 0 : xResult = Reference< XDispatch >( static_cast< ::cppu::OWeakObject* >(pHelpDispatch), UNO_QUERY );
149 : }
150 :
151 0 : return xResult;
152 : }
153 :
154 :
155 :
156 0 : Sequence < Reference < XDispatch > > SAL_CALL HelpInterceptor_Impl::queryDispatches(
157 :
158 : const Sequence< DispatchDescriptor >& aDescripts )
159 :
160 : throw( RuntimeException, std::exception )
161 :
162 : {
163 0 : Sequence< Reference< XDispatch > > aReturn( aDescripts.getLength() );
164 0 : Reference< XDispatch >* pReturn = aReturn.getArray();
165 0 : const DispatchDescriptor* pDescripts = aDescripts.getConstArray();
166 0 : for ( sal_Int16 i = 0; i < aDescripts.getLength(); ++i, ++pReturn, ++pDescripts )
167 : {
168 0 : *pReturn = queryDispatch( pDescripts->FeatureURL, pDescripts->FrameName, pDescripts->SearchFlags );
169 : }
170 0 : return aReturn;
171 : }
172 :
173 :
174 : // XDispatchProviderInterceptor
175 :
176 0 : Reference< XDispatchProvider > SAL_CALL HelpInterceptor_Impl::getSlaveDispatchProvider()
177 :
178 : throw( RuntimeException, std::exception )
179 :
180 : {
181 0 : return m_xSlaveDispatcher;
182 : }
183 :
184 :
185 :
186 0 : void SAL_CALL HelpInterceptor_Impl::setSlaveDispatchProvider( const Reference< XDispatchProvider >& xNewSlave )
187 :
188 : throw( RuntimeException, std::exception )
189 :
190 : {
191 0 : m_xSlaveDispatcher = xNewSlave;
192 0 : }
193 :
194 :
195 :
196 0 : Reference< XDispatchProvider > SAL_CALL HelpInterceptor_Impl::getMasterDispatchProvider()
197 :
198 : throw( RuntimeException, std::exception )
199 :
200 : {
201 0 : return m_xMasterDispatcher;
202 : }
203 :
204 :
205 :
206 0 : void SAL_CALL HelpInterceptor_Impl::setMasterDispatchProvider( const Reference< XDispatchProvider >& xNewMaster )
207 :
208 : throw( RuntimeException, std::exception )
209 :
210 : {
211 0 : m_xMasterDispatcher = xNewMaster;
212 0 : }
213 :
214 :
215 : // XInterceptorInfo
216 :
217 0 : Sequence< OUString > SAL_CALL HelpInterceptor_Impl::getInterceptedURLs()
218 :
219 : throw( RuntimeException, std::exception )
220 :
221 : {
222 0 : Sequence< OUString > aURLList( 1 );
223 0 : aURLList[0] = "vnd.sun.star.help://*";
224 0 : return aURLList;
225 : }
226 :
227 :
228 : // XDispatch
229 :
230 0 : void SAL_CALL HelpInterceptor_Impl::dispatch(
231 : const URL& aURL, const Sequence< ::com::sun::star::beans::PropertyValue >& ) throw( RuntimeException, std::exception )
232 : {
233 0 : bool bBack = ( OUString( ".uno:Backward" ) == aURL.Complete );
234 0 : if ( bBack || OUString( ".uno:Forward" ) == aURL.Complete )
235 : {
236 0 : if ( m_pHistory )
237 : {
238 0 : if(m_pHistory->size() > m_nCurPos)
239 : {
240 0 : Reference<XFrame> xFrame(m_xIntercepted, UNO_QUERY);
241 0 : Reference<XController> xController;
242 0 : if(xFrame.is())
243 0 : xController = xFrame->getController();
244 0 : if(xController.is())
245 : {
246 0 : m_pHistory->at( m_nCurPos )->aViewData = xController->getViewData();
247 0 : }
248 : }
249 :
250 0 : sal_uIntPtr nPos = ( bBack && m_nCurPos > 0 ) ? --m_nCurPos
251 0 : : ( !bBack && m_nCurPos < m_pHistory->size() - 1 )
252 : ? ++m_nCurPos
253 0 : : ULONG_MAX;
254 :
255 0 : if ( nPos < ULONG_MAX )
256 : {
257 0 : HelpHistoryEntry_Impl* pEntry = m_pHistory->at( nPos );
258 0 : if ( pEntry )
259 0 : m_pWindow->loadHelpContent(pEntry->aURL, false); // false => dont add item to history again!
260 : }
261 :
262 0 : m_pWindow->UpdateToolbox();
263 : }
264 : }
265 0 : }
266 :
267 :
268 :
269 0 : void SAL_CALL HelpInterceptor_Impl::addStatusListener(
270 : const Reference< XStatusListener >& xControl, const URL& ) throw( RuntimeException, std::exception )
271 : {
272 : DBG_ASSERT( !m_xListener.is(), "listener already exists" );
273 0 : m_xListener = xControl;
274 0 : }
275 :
276 :
277 :
278 0 : void SAL_CALL HelpInterceptor_Impl::removeStatusListener(
279 : const Reference< XStatusListener >&, const URL&) throw( RuntimeException, std::exception )
280 : {
281 0 : m_xListener = 0;
282 0 : }
283 :
284 : // HelpListener_Impl -----------------------------------------------------
285 :
286 0 : HelpListener_Impl::HelpListener_Impl( HelpInterceptor_Impl* pInter )
287 : {
288 0 : pInterceptor = pInter;
289 0 : pInterceptor->addStatusListener( this, ::com::sun::star::util::URL() );
290 0 : }
291 :
292 :
293 :
294 0 : void SAL_CALL HelpListener_Impl::statusChanged( const ::com::sun::star::frame::FeatureStateEvent& Event )
295 :
296 : throw( ::com::sun::star::uno::RuntimeException, std::exception )
297 :
298 : {
299 0 : INetURLObject aObj( Event.FeatureURL.Complete );
300 0 : aFactory = aObj.GetHost();
301 0 : aChangeLink.Call( this );
302 0 : }
303 :
304 :
305 :
306 0 : void SAL_CALL HelpListener_Impl::disposing( const ::com::sun::star::lang::EventObject& )
307 :
308 : throw( ::com::sun::star::uno::RuntimeException, std::exception )
309 :
310 : {
311 0 : pInterceptor->removeStatusListener( this, ::com::sun::star::util::URL() );
312 0 : pInterceptor = NULL;
313 0 : }
314 :
315 0 : HelpStatusListener_Impl::HelpStatusListener_Impl(
316 0 : Reference < XDispatch > aDispatch, URL& rURL)
317 : {
318 0 : aDispatch->addStatusListener(this, rURL);
319 0 : }
320 :
321 0 : HelpStatusListener_Impl::~HelpStatusListener_Impl()
322 : {
323 0 : if(xDispatch.is())
324 0 : xDispatch->removeStatusListener(this, com::sun::star::util::URL());
325 0 : }
326 :
327 0 : void HelpStatusListener_Impl::statusChanged(
328 : const FeatureStateEvent& rEvent ) throw( RuntimeException, std::exception )
329 : {
330 0 : aStateEvent = rEvent;
331 0 : }
332 :
333 0 : void HelpStatusListener_Impl::disposing( const EventObject& ) throw( RuntimeException, std::exception )
334 : {
335 0 : xDispatch->removeStatusListener(this, com::sun::star::util::URL());
336 0 : xDispatch = 0;
337 951 : }
338 :
339 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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