xref: /trunk/main/framework/source/jobs/helponstartup.cxx (revision 91144cd0085a7583d2099b982122deb2184ab956)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_framework.hxx"
26 
27 //_______________________________________________
28 // include own header
29 #include <jobs/helponstartup.hxx>
30 #include <threadhelp/resetableguard.hxx>
31 #include <loadenv/targethelper.hxx>
32 #include <services.h>
33 
34 //_______________________________________________
35 // include others
36 #include <comphelper/configurationhelper.hxx>
37 #include <comphelper/sequenceashashmap.hxx>
38 #include <unotools/configmgr.hxx>
39 #include <vcl/svapp.hxx>
40 #include <vcl/help.hxx>
41 #include <rtl/ustrbuf.hxx>
42 
43 //_______________________________________________
44 // include interfaces
45 #include <com/sun/star/frame/FrameSearchFlag.hpp>
46 #include <com/sun/star/frame/XFramesSupplier.hpp>
47 #include <com/sun/star/frame/XDesktop.hpp>
48 
49 //_______________________________________________
50 // namespace
51 
52 namespace framework{
53 
54 //_______________________________________________
55 // definitions
56 
57 // path to module config
58 static ::rtl::OUString CFG_PACKAGE_MODULES      = ::rtl::OUString::createFromAscii("/org.openoffice.Setup/Office/Factories");
59 static ::rtl::OUString CFG_PACKAGE_SETUP        = ::rtl::OUString::createFromAscii("/org.openoffice.Setup"             );
60 static ::rtl::OUString CFG_PACKAGE_COMMON       = ::rtl::OUString::createFromAscii("/org.openoffice.Office.Common"     );
61 static ::rtl::OUString CFG_PATH_L10N            = ::rtl::OUString::createFromAscii("L10N"                              );
62 static ::rtl::OUString CFG_PATH_HELP            = ::rtl::OUString::createFromAscii("Help"                              );
63 static ::rtl::OUString CFG_KEY_LOCALE           = ::rtl::OUString::createFromAscii("ooLocale"                          );
64 static ::rtl::OUString CFG_KEY_HELPSYSTEM       = ::rtl::OUString::createFromAscii("System"                            );
65 
66 // props of job environment
67 static ::rtl::OUString PROP_ENVIRONMENT         = ::rtl::OUString::createFromAscii("Environment"                       );
68 static ::rtl::OUString PROP_JOBCONFIG           = ::rtl::OUString::createFromAscii("JobConfig"                         );
69 static ::rtl::OUString PROP_ENVTYPE             = ::rtl::OUString::createFromAscii("EnvType"                           );
70 static ::rtl::OUString PROP_MODEL               = ::rtl::OUString::createFromAscii("Model"                             );
71 
72 // props of module config
73 static ::rtl::OUString PROP_HELP_BASEURL        = ::rtl::OUString::createFromAscii("ooSetupFactoryHelpBaseURL"         );
74 static ::rtl::OUString PROP_AUTOMATIC_HELP      = ::rtl::OUString::createFromAscii("ooSetupFactoryHelpOnOpen"          );
75 
76 // special value of job environment
77 static ::rtl::OUString ENVTYPE_DOCUMENTEVENT    = ::rtl::OUString::createFromAscii("DOCUMENTEVENT"                     );
78 
79 //-----------------------------------------------
80 
DEFINE_XSERVICEINFO_MULTISERVICE(HelpOnStartup,::cppu::OWeakObject,SERVICENAME_JOB,IMPLEMENTATIONNAME_HELPONSTARTUP)81 DEFINE_XSERVICEINFO_MULTISERVICE(HelpOnStartup                   ,
82                                       ::cppu::OWeakObject             ,
83                                       SERVICENAME_JOB                 ,
84                                       IMPLEMENTATIONNAME_HELPONSTARTUP)
85 
86 DEFINE_INIT_SERVICE(HelpOnStartup,
87                     {
88                         /*  Attention
89                             I think we don't need any mutex or lock here ... because we are called by our own static method impl_createInstance()
90                             to create a new instance of this class by our own supported service factory.
91                             see macro DEFINE_XSERVICEINFO_MULTISERVICE and "impl_initService()" for further informations!
92                         */
93                         // create some needed uno services and cache it
94                         m_xModuleManager = css::uno::Reference< css::frame::XModuleManager >(
95                             m_xSMGR->createInstance(SERVICENAME_MODULEMANAGER),
96                             css::uno::UNO_QUERY_THROW);
97 
98                         m_xDesktop = css::uno::Reference< css::frame::XFrame >(
99                             m_xSMGR->createInstance(SERVICENAME_DESKTOP),
100                             css::uno::UNO_QUERY_THROW);
101 
102                         m_xConfig = css::uno::Reference< css::container::XNameAccess >(
103                             ::comphelper::ConfigurationHelper::openConfig(
104                                 m_xSMGR,
105                                 CFG_PACKAGE_MODULES,
106                                 ::comphelper::ConfigurationHelper::E_READONLY),
107                             css::uno::UNO_QUERY_THROW);
108 
109                         // ask for office locale
110                         ::comphelper::ConfigurationHelper::readDirectKey(
111                             m_xSMGR,
112                             CFG_PACKAGE_SETUP,
113                             CFG_PATH_L10N,
114                             CFG_KEY_LOCALE,
115                             ::comphelper::ConfigurationHelper::E_READONLY) >>= m_sLocale;
116 
117                         // detect system
118                         ::comphelper::ConfigurationHelper::readDirectKey(
119                             m_xSMGR,
120                             CFG_PACKAGE_COMMON,
121                             CFG_PATH_HELP,
122                             CFG_KEY_HELPSYSTEM,
123                             ::comphelper::ConfigurationHelper::E_READONLY) >>= m_sSystem;
124 
125                         // Start listening for disposing events of these services,
126                         // so we can react e.g. for an office shutdown
127                         css::uno::Reference< css::lang::XComponent > xComponent;
128                         xComponent = css::uno::Reference< css::lang::XComponent >(m_xModuleManager, css::uno::UNO_QUERY);
129                         if (xComponent.is())
130                             xComponent->addEventListener(static_cast< css::lang::XEventListener* >(this));
131                         xComponent = css::uno::Reference< css::lang::XComponent >(m_xDesktop, css::uno::UNO_QUERY);
132                         if (xComponent.is())
133                             xComponent->addEventListener(static_cast< css::lang::XEventListener* >(this));
134                         xComponent = css::uno::Reference< css::lang::XComponent >(m_xConfig, css::uno::UNO_QUERY);
135                         if (xComponent.is())
136                             xComponent->addEventListener(static_cast< css::lang::XEventListener* >(this));
137                     }
138                    )
139 
140 //-----------------------------------------------
141 HelpOnStartup::HelpOnStartup(const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR)
142     : ThreadHelpBase(     )
143     , m_xSMGR       (xSMGR)
144 {
145 }
146 
147 //-----------------------------------------------
~HelpOnStartup()148 HelpOnStartup::~HelpOnStartup()
149 {
150 }
151 
152 //-----------------------------------------------
153 // css.task.XJob
execute(const css::uno::Sequence<css::beans::NamedValue> & lArguments)154 css::uno::Any SAL_CALL HelpOnStartup::execute(const css::uno::Sequence< css::beans::NamedValue >& lArguments)
155 {
156     // Analyze the given arguments; try to locate a model there and
157     // classify it's used application module.
158     ::rtl::OUString sModule = its_getModuleIdFromEnv(lArguments);
159 
160     // Attention: We are bound to events for opening any document inside the office.
161     // That includes e.g. the help module itself. But we have to do nothing then!
162     if (!sModule.getLength())
163         return css::uno::Any();
164 
165     // check current state of the help module
166     // a) help isn't open                       => show default page for the detected module
167     // b) help shows any other default page(!) => show default page for the detected module
168     // c) help shows any other content         => do nothing (user travelled to any other content and leaved the set of default pages)
169     ::rtl::OUString sCurrentHelpURL                = its_getCurrentHelpURL();
170     sal_Bool        bCurrentHelpURLIsAnyDefaultURL = its_isHelpUrlADefaultOne(sCurrentHelpURL);
171     sal_Bool        bShowIt                        = sal_False;
172 
173     // a)
174     if (!sCurrentHelpURL.getLength())
175         bShowIt = sal_True;
176     else
177     // b)
178     if (bCurrentHelpURLIsAnyDefaultURL)
179         bShowIt = sal_True;
180 
181     if (bShowIt)
182     {
183         // retrieve the help URL for the detected application module
184         ::rtl::OUString sModuleDependendHelpURL = its_checkIfHelpEnabledAndGetURL(sModule);
185         if (sModuleDependendHelpURL.getLength())
186         {
187             // Show this help page.
188             // Note: The help window brings itself to front ...
189             Help* pHelp = Application::GetHelp();
190             if (pHelp)
191                 pHelp->Start(sModuleDependendHelpURL, 0);
192         }
193     }
194 
195     return css::uno::Any();
196 }
197 
198 //-----------------------------------------------
disposing(const css::lang::EventObject & aEvent)199 void SAL_CALL HelpOnStartup::disposing(const css::lang::EventObject& aEvent)
200 {
201     // SAFE ->
202     ResetableGuard aLock(m_aLock);
203 
204     if (aEvent.Source == m_xModuleManager)
205         m_xModuleManager.clear();
206     else
207     if (aEvent.Source == m_xDesktop)
208         m_xDesktop.clear();
209     else
210     if (aEvent.Source == m_xConfig)
211         m_xConfig.clear();
212 
213     aLock.unlock();
214     // <- SAFE
215 }
216 
217 //-----------------------------------------------
its_getModuleIdFromEnv(const css::uno::Sequence<css::beans::NamedValue> & lArguments)218 ::rtl::OUString HelpOnStartup::its_getModuleIdFromEnv(const css::uno::Sequence< css::beans::NamedValue >& lArguments)
219 {
220     ::comphelper::SequenceAsHashMap lArgs        (lArguments);
221     ::comphelper::SequenceAsHashMap lEnvironment = lArgs.getUnpackedValueOrDefault(PROP_ENVIRONMENT, css::uno::Sequence< css::beans::NamedValue >());
222     ::comphelper::SequenceAsHashMap lJobConfig   = lArgs.getUnpackedValueOrDefault(PROP_JOBCONFIG  , css::uno::Sequence< css::beans::NamedValue >());
223 
224     // check for right environment.
225     // If its not a DocumentEvent, which triggered this job,
226     // we can't work correctly! => return immediately and do nothing
227     ::rtl::OUString sEnvType = lEnvironment.getUnpackedValueOrDefault(PROP_ENVTYPE, ::rtl::OUString());
228     if (!sEnvType.equals(ENVTYPE_DOCUMENTEVENT))
229         return ::rtl::OUString();
230 
231     css::uno::Reference< css::frame::XModel > xDoc = lEnvironment.getUnpackedValueOrDefault(PROP_MODEL, css::uno::Reference< css::frame::XModel >());
232     if (!xDoc.is())
233         return ::rtl::OUString();
234 
235     // be sure that we work on top level documents only, which are registered
236     // on the desktop instance. Ignore e.g. life previews, which are top frames too ...
237     // but not registered at this global desktop instance.
238     css::uno::Reference< css::frame::XDesktop >    xDesktopCheck;
239     css::uno::Reference< css::frame::XFrame >      xFrame       ;
240     css::uno::Reference< css::frame::XController > xController  = xDoc->getCurrentController();
241     if (xController.is())
242         xFrame = xController->getFrame();
243     if (xFrame.is() && xFrame->isTop())
244         xDesktopCheck = css::uno::Reference< css::frame::XDesktop >(xFrame->getCreator(), css::uno::UNO_QUERY);
245     if (!xDesktopCheck.is())
246         return ::rtl::OUString();
247 
248     // OK - now we are sure this document is a top level document.
249     // Classify it.
250     // SAFE ->
251     ResetableGuard aLock(m_aLock);
252     css::uno::Reference< css::frame::XModuleManager > xModuleManager = m_xModuleManager;
253     aLock.unlock();
254     // <- SAFE
255 
256     if (!xModuleManager.is())
257         return ::rtl::OUString();
258 
259     ::rtl::OUString sModuleId;
260     try
261     {
262         sModuleId = xModuleManager->identify(xDoc);
263     }
264     catch(const css::uno::RuntimeException& exRun)
265         { throw exRun; }
266     catch(const css::uno::Exception&)
267         { sModuleId = ::rtl::OUString(); }
268 
269     return sModuleId;
270 }
271 
272 //-----------------------------------------------
its_getCurrentHelpURL()273 ::rtl::OUString HelpOnStartup::its_getCurrentHelpURL()
274 {
275     // SAFE ->
276     ResetableGuard aLock(m_aLock);
277     css::uno::Reference< css::frame::XFrame > xDesktop = m_xDesktop;
278     aLock.unlock();
279     // <- SAFE
280 
281     if (!xDesktop.is())
282         return ::rtl::OUString();
283 
284     css::uno::Reference< css::frame::XFrame > xHelp = xDesktop->findFrame(SPECIALTARGET_HELPTASK, css::frame::FrameSearchFlag::CHILDREN);
285     if (!xHelp.is())
286         return ::rtl::OUString();
287 
288     ::rtl::OUString sCurrentHelpURL;
289     try
290     {
291         css::uno::Reference< css::frame::XFramesSupplier >  xHelpRoot  (xHelp                 , css::uno::UNO_QUERY_THROW);
292         css::uno::Reference< css::container::XIndexAccess > xHelpChilds(xHelpRoot->getFrames(), css::uno::UNO_QUERY_THROW);
293 
294         css::uno::Reference< css::frame::XFrame >      xHelpChild  ;
295         css::uno::Reference< css::frame::XController > xHelpView   ;
296         css::uno::Reference< css::frame::XModel >      xHelpContent;
297 
298         xHelpChilds->getByIndex(0) >>= xHelpChild;
299         if (xHelpChild.is())
300             xHelpView = xHelpChild->getController();
301         if (xHelpView.is())
302             xHelpContent = xHelpView->getModel();
303         if (xHelpContent.is())
304             sCurrentHelpURL = xHelpContent->getURL();
305     }
306     catch(css::uno::RuntimeException& exRun)
307         { throw exRun; }
308     catch(css::uno::Exception&)
309         { sCurrentHelpURL = ::rtl::OUString(); }
310 
311     return sCurrentHelpURL;
312 }
313 
314 //-----------------------------------------------
its_isHelpUrlADefaultOne(const::rtl::OUString & sHelpURL)315 ::sal_Bool HelpOnStartup::its_isHelpUrlADefaultOne(const ::rtl::OUString& sHelpURL)
316 {
317     if (!sHelpURL.getLength())
318         return sal_False;
319 
320     // SAFE ->
321     ResetableGuard aLock(m_aLock);
322     css::uno::Reference< css::lang::XMultiServiceFactory > xSMGR   (m_xSMGR, css::uno::UNO_QUERY_THROW);
323     css::uno::Reference< css::container::XNameAccess >     xConfig = m_xConfig;
324     ::rtl::OUString                                        sLocale = m_sLocale;
325     ::rtl::OUString                                        sSystem = m_sSystem;
326     aLock.unlock();
327     // <- SAFE
328 
329     if (!xConfig.is())
330         return sal_False;
331 
332     // check given help url against all default ones
333     const css::uno::Sequence< ::rtl::OUString > lModules = xConfig->getElementNames();
334     const ::rtl::OUString*                      pModules = lModules.getConstArray();
335           ::sal_Int32                           c        = lModules.getLength();
336           ::sal_Int32                           i        = 0;
337 
338     for (i=0; i<c; ++i)
339     {
340         try
341         {
342             css::uno::Reference< css::container::XNameAccess > xModuleConfig;
343             xConfig->getByName(pModules[i]) >>= xModuleConfig;
344             if (!xModuleConfig.is())
345                 continue;
346 
347             ::rtl::OUString sHelpBaseURL;
348             xModuleConfig->getByName(PROP_HELP_BASEURL) >>= sHelpBaseURL;
349             ::rtl::OUString sHelpURLForModule = HelpOnStartup::ist_createHelpURL(sHelpBaseURL, sLocale, sSystem);
350             if (sHelpURL.equals(sHelpURLForModule))
351                 return sal_True;
352         }
353         catch(const css::uno::RuntimeException& exRun)
354             { throw exRun; }
355         catch(const css::uno::Exception&)
356             {}
357     }
358 
359     return sal_False;
360 }
361 
362 //-----------------------------------------------
its_checkIfHelpEnabledAndGetURL(const::rtl::OUString & sModule)363 ::rtl::OUString HelpOnStartup::its_checkIfHelpEnabledAndGetURL(const ::rtl::OUString& sModule)
364 {
365     // SAFE ->
366     ResetableGuard aLock(m_aLock);
367     css::uno::Reference< css::container::XNameAccess > xConfig = m_xConfig;
368     ::rtl::OUString                                    sLocale = m_sLocale;
369     ::rtl::OUString                                    sSystem = m_sSystem;
370     aLock.unlock();
371     // <- SAFE
372 
373     ::rtl::OUString sHelpURL;
374 
375     try
376     {
377         css::uno::Reference< css::container::XNameAccess > xModuleConfig;
378         if (xConfig.is())
379             xConfig->getByName(sModule) >>= xModuleConfig;
380 
381         sal_Bool bHelpEnabled = sal_False;
382         if (xModuleConfig.is())
383             xModuleConfig->getByName(PROP_AUTOMATIC_HELP) >>= bHelpEnabled;
384 
385         if (bHelpEnabled)
386         {
387             ::rtl::OUString sHelpBaseURL;
388             xModuleConfig->getByName(PROP_HELP_BASEURL) >>= sHelpBaseURL;
389             sHelpURL = HelpOnStartup::ist_createHelpURL(sHelpBaseURL, sLocale, sSystem);
390         }
391     }
392     catch(const css::uno::RuntimeException& exRun)
393         { throw exRun; }
394     catch(const css::uno::Exception&)
395         { sHelpURL = ::rtl::OUString(); }
396 
397     return sHelpURL;
398 }
399 
400 //-----------------------------------------------
ist_createHelpURL(const::rtl::OUString & sBaseURL,const::rtl::OUString & sLocale,const::rtl::OUString & sSystem)401 ::rtl::OUString HelpOnStartup::ist_createHelpURL(const ::rtl::OUString& sBaseURL,
402                                                  const ::rtl::OUString& sLocale ,
403                                                  const ::rtl::OUString& sSystem )
404 {
405     ::rtl::OUStringBuffer sHelpURL(256);
406     sHelpURL.append     (sBaseURL    );
407     sHelpURL.appendAscii("?Language=");
408     sHelpURL.append     (sLocale     );
409     sHelpURL.appendAscii("&System="  );
410     sHelpURL.append     (sSystem     );
411 
412     return sHelpURL.makeStringAndClear();
413 }
414 
415 } // namespace framework
416