/************************************************************** * * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ // MARKER(update_precomp.py): autogen include statement, do not remove #include "precompiled_framework.hxx" //_______________________________________________ // my own includes #include #include #include #include #include #include #include //_______________________________________________ // interface includes #include #include #include #include #include #include #include "com/sun/star/beans/XFastPropertySet.hpp" #include //_______________________________________________ // includes of other projects #include #include #include #include //_______________________________________________ // namespace namespace framework{ #ifdef fpf #error "Who uses \"fpf\" as define. It will overwrite my namespace alias ..." #endif namespace fpf = ::framework::pattern::frame; //_______________________________________________ // non exported const static ::rtl::OUString URL_CLOSEDOC = DECLARE_ASCII(".uno:CloseDoc" ); static ::rtl::OUString URL_CLOSEWIN = DECLARE_ASCII(".uno:CloseWin" ); static ::rtl::OUString URL_CLOSEFRAME = DECLARE_ASCII(".uno:CloseFrame"); //_______________________________________________ // declarations DEFINE_XINTERFACE_4(CloseDispatcher , OWeakObject , DIRECT_INTERFACE(css::lang::XTypeProvider ), DIRECT_INTERFACE(css::frame::XNotifyingDispatch ), DIRECT_INTERFACE(css::frame::XDispatch ), DIRECT_INTERFACE(css::frame::XDispatchInformationProvider)) // Note: XStatusListener is an implementation detail. Hide it for scripting! DEFINE_XTYPEPROVIDER_4(CloseDispatcher , css::lang::XTypeProvider , css::frame::XDispatchInformationProvider, css::frame::XNotifyingDispatch , css::frame::XDispatch ) //----------------------------------------------- CloseDispatcher::CloseDispatcher(const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR , const css::uno::Reference< css::frame::XFrame >& xFrame , const ::rtl::OUString& sTarget) : ThreadHelpBase (&Application::GetSolarMutex() ) , ::cppu::OWeakObject( ) , m_xSMGR (xSMGR ) , m_aAsyncCallback (LINK( this, CloseDispatcher, impl_asyncCallback)) , m_lStatusListener (m_aLock.getShareableOslMutex() ) { m_xCloseFrame = CloseDispatcher::static_impl_searchRightTargetFrame(xFrame, sTarget); } //----------------------------------------------- CloseDispatcher::~CloseDispatcher() { } //----------------------------------------------- void SAL_CALL CloseDispatcher::dispatch(const css::util::URL& aURL , const css::uno::Sequence< css::beans::PropertyValue >& lArguments) throw(css::uno::RuntimeException) { dispatchWithNotification(aURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >()); } //----------------------------------------------- css::uno::Sequence< sal_Int16 > SAL_CALL CloseDispatcher::getSupportedCommandGroups() throw(css::uno::RuntimeException) { css::uno::Sequence< sal_Int16 > lGroups(2); lGroups[0] = css::frame::CommandGroup::VIEW; lGroups[1] = css::frame::CommandGroup::DOCUMENT; return lGroups; } //----------------------------------------------- css::uno::Sequence< css::frame::DispatchInformation > SAL_CALL CloseDispatcher::getConfigurableDispatchInformation(sal_Int16 nCommandGroup) throw(css::uno::RuntimeException) { if (nCommandGroup == css::frame::CommandGroup::VIEW) { /* Attention: Dont add .uno:CloseFrame here. Because its not realy a configurable feature ... and further it does not have a valid UIName entry inside the GenericCommands.xcu ... */ css::uno::Sequence< css::frame::DispatchInformation > lViewInfos(1); lViewInfos[0].Command = URL_CLOSEWIN; lViewInfos[0].GroupId = css::frame::CommandGroup::VIEW; return lViewInfos; } else if (nCommandGroup == css::frame::CommandGroup::DOCUMENT) { css::uno::Sequence< css::frame::DispatchInformation > lDocInfos(1); lDocInfos[0].Command = URL_CLOSEDOC; lDocInfos[0].GroupId = css::frame::CommandGroup::DOCUMENT; return lDocInfos; } return css::uno::Sequence< css::frame::DispatchInformation >(); } //----------------------------------------------- void SAL_CALL CloseDispatcher::addStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/, const css::util::URL& /*aURL*/ ) throw(css::uno::RuntimeException) { } //----------------------------------------------- void SAL_CALL CloseDispatcher::removeStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/, const css::util::URL& /*aURL*/ ) throw(css::uno::RuntimeException) { } //----------------------------------------------- void SAL_CALL CloseDispatcher::dispatchWithNotification(const css::util::URL& aURL , const css::uno::Sequence< css::beans::PropertyValue >& lArguments, const css::uno::Reference< css::frame::XDispatchResultListener >& xListener ) throw(css::uno::RuntimeException) { // SAFE -> ---------------------------------- WriteGuard aWriteLock(m_aLock); // This reference indicates, that we was already called before and // our asynchronous process was not finished yet. // We have to reject double calls. Otherwhise we risk, // that we try to close an already closed resource ... // And its no problem to do nothing then. The UI user will try it again, if // non of these jobs was successfully. if (m_xSelfHold.is()) { aWriteLock.unlock(); // <- SAFE ------------------------------ implts_notifyResultListener( xListener, css::frame::DispatchResultState::DONTKNOW, css::uno::Any()); return; } // First we have to check, if this dispatcher is used right. Means if valid URLs are used. // If not - we have to break this operation. But an optional listener must be informed. // BTW: We save the information about the requested operation. Because // we need it later. if (aURL.Complete.equals(URL_CLOSEDOC)) m_eOperation = E_CLOSE_DOC; else if (aURL.Complete.equals(URL_CLOSEWIN)) m_eOperation = E_CLOSE_WIN; else if (aURL.Complete.equals(URL_CLOSEFRAME)) m_eOperation = E_CLOSE_FRAME; else { aWriteLock.unlock(); // <- SAFE ------------------------------ implts_notifyResultListener( xListener, css::frame::DispatchResultState::FAILURE, css::uno::Any()); return; } // OK - URLs are the right ones. // But we cant execute synchronously :-) // May we are called from a generic key-input handler, // which isnt aware that this call kill its own environment ... // Do it asynchronous everytimes! // But dont forget to hold usself alive. // We are called back from an environment, which doesnt know an uno reference. // They call us back by using our c++ interface. m_xResultListener = xListener; m_xSelfHold = css::uno::Reference< css::uno::XInterface >(static_cast< ::cppu::OWeakObject* >(this), css::uno::UNO_QUERY); aWriteLock.unlock(); // <- SAFE ---------------------------------- sal_Bool bIsSynchron = sal_False; for (sal_Int32 nArgs=0; nArgs>= bIsSynchron; break; } } if ( bIsSynchron ) impl_asyncCallback(0); else m_aAsyncCallback.Post(0); } //----------------------------------------------- /** @short asynchronous callback @descr We start all actions inside this object asnychronoue. (see comments there). Now we do the following: - close all views to the same document, if needed and possible - make the current frame empty ! This step is neccessary to handle errors during closing the document inside the frame. May the document shows a dialog and the user ignore it. Then the state of the office can be changed during we try to close frame and document. - check the environment (menas count open frames - exlcuding our current one) - decide then, if we must close this frame only, establish the backing mode or shutdown the whole application. */ IMPL_LINK( CloseDispatcher, impl_asyncCallback, void*, EMPTYARG ) { try { // Allow calling of XController->suspend() everytimes. // Dispatch is an UI functionality. We implement such dispatch object here. // And further XController->suspend() was designed to bring an UI ... sal_Bool bAllowSuspend = sal_True; sal_Bool bControllerSuspended = sal_False; // SAFE -> ---------------------------------- ReadGuard aReadLock(m_aLock); // Closing of all views, related to the same document, is allowed // only if the dispatched URL was ".uno:CloseDoc"! sal_Bool bCloseAllViewsToo = (m_eOperation == E_CLOSE_DOC); // BTW: Make some copies, which are needed later ... EOperation eOperation = m_eOperation; css::uno::Reference< css::lang::XMultiServiceFactory > xSMGR = m_xSMGR; css::uno::Reference< css::frame::XFrame > xCloseFrame (m_xCloseFrame.get(), css::uno::UNO_QUERY); css::uno::Reference< css::frame::XDispatchResultListener > xListener = m_xResultListener; aReadLock.unlock(); // <- SAFE ---------------------------------- // frame already dead ?! // Nothing to do ! if (! xCloseFrame.is()) return 0; sal_Bool bCloseFrame = sal_False; sal_Bool bEstablishBackingMode = sal_False; sal_Bool bTerminateApp = sal_False; // Analyze the environment a first time. // If we found some special cases, we can // make some decisions erliar! css::uno::Reference< css::frame::XFramesSupplier > xDesktop(xSMGR->createInstance(SERVICENAME_DESKTOP), css::uno::UNO_QUERY_THROW); FrameListAnalyzer aCheck1(xDesktop, xCloseFrame, FrameListAnalyzer::E_HELP | FrameListAnalyzer::E_BACKINGCOMPONENT); // a) If the curent frame (where the close dispatch was requested for) does not have // any parent frame ... it will close this frame only. Such frame isnt part of the // global desktop tree ... and such frames are used as "implementation details" only. // E.g. the live previews of our wizards doing such things. And then the owner of the frame // is responsible for closing the application or accepting closing of the application // by others. if ( ! xCloseFrame->getCreator().is()) bCloseFrame = sal_True; else // b) The help window cant disagree with any request. // Because it doesnt implement a controller - it uses a window only. // Further t cant be the last open frame - if we do all other things // right inside this CloseDispatcher implementation. // => close it! if (aCheck1.m_bReferenceIsHelp) bCloseFrame = sal_True; else // c) If we are already in "backing mode", we have to terminate // the application, if this special frame is closed. // It doesnt matter, how many other frames (can be the help or hidden frames only) // are open then. // => terminate the application! if (aCheck1.m_bReferenceIsBacking) bTerminateApp = sal_True; else // d) Otherwhise we have to: close all views to the same document, close the // document inside our own frame and decide then again, what has to be done! { if (implts_prepareFrameForClosing(m_xCloseFrame, bAllowSuspend, bCloseAllViewsToo, bControllerSuspended)) { // OK; this frame is empty now. // Check the environment again to decide, what is the next step. FrameListAnalyzer aCheck2(xDesktop, xCloseFrame, FrameListAnalyzer::E_ALL); // c1) there is as minimum 1 frame open, which is visible and contains a document // different from our one. And its not the help! // => close our frame only - nothing else. if (aCheck2.m_lOtherVisibleFrames.getLength()>0) bCloseFrame = sal_True; else // c2) if we close the current view ... but not all other views // to the same document, we must close the current frame only! // Because implts_closeView() suspended this view only - does not // close the frame. if ( (!bCloseAllViewsToo ) && (aCheck2.m_lModelFrames.getLength() > 0) ) bCloseFrame = sal_True; else // c3) there is no other (visible) frame open ... // The help module will be ignored everytimes! // But we have to decide if we must terminate the // application or establish the backing mode now. // And that depends from the dispatched URL ... { if (eOperation == E_CLOSE_FRAME) bTerminateApp = sal_True; else if( SvtModuleOptions().IsModuleInstalled(SvtModuleOptions::E_SSTARTMODULE) ) bEstablishBackingMode = sal_True; else bTerminateApp = sal_True; } } } // Do it now ... sal_Bool bSuccess = sal_False; if (bCloseFrame) bSuccess = implts_closeFrame(); else if (bEstablishBackingMode) #if defined QUARTZ { // on mac close down, quickstarter keeps the process alive // however if someone has shut down the quickstarter // behave as any other platform bool bQuickstarterRunning = false; // get quickstart service try { css::uno::Reference< css::beans::XFastPropertySet > xSet( xSMGR->createInstance(IMPLEMENTATIONNAME_QUICKLAUNCHER), css::uno::UNO_QUERY_THROW ); if( xSet.is() ) { css::uno::Any aVal( xSet->getFastPropertyValue( 0 ) ); sal_Bool bState = sal_False; if( aVal >>= bState ) bQuickstarterRunning = bState; } } catch( css::uno::Exception& ) { } bSuccess = bQuickstarterRunning ? implts_terminateApplication() : implts_establishBackingMode(); } #else bSuccess = implts_establishBackingMode(); #endif else if (bTerminateApp) bSuccess = implts_terminateApplication(); if ( ( ! bSuccess ) && ( bControllerSuspended ) ) { css::uno::Reference< css::frame::XController > xController = xCloseFrame->getController(); if (xController.is()) xController->suspend(sal_False); } // inform listener sal_Int16 nState = css::frame::DispatchResultState::FAILURE; if (bSuccess) nState = css::frame::DispatchResultState::SUCCESS; implts_notifyResultListener(xListener, nState, css::uno::Any()); // SAFE -> ---------------------------------- WriteGuard aWriteLock(m_aLock); // This method was called asynchronous from our main thread by using a pointer. // We reached this method only, by using a reference to ourself :-) // Further this member is used to detect still running and not yet finished // ansynchronous operations. So its time now to release this reference. // But hold it temp alive. Otherwhise we die before we can finish this method realy :-)) css::uno::Reference< css::uno::XInterface > xTempHold = m_xSelfHold; m_xSelfHold.clear(); m_xResultListener.clear(); aWriteLock.unlock(); // <- SAFE ---------------------------------- } catch(const css::lang::DisposedException&) { LOG_ERROR("CloseDispatcher::impl_asyncCallback", "Congratulation! You found the reason for bug #120310#. Please contact the right developer and show him a scenario, which trigger this bug. THX.") } return 0; } //----------------------------------------------- sal_Bool CloseDispatcher::implts_prepareFrameForClosing(const css::uno::Reference< css::frame::XFrame >& xFrame , sal_Bool bAllowSuspend , sal_Bool bCloseAllOtherViewsToo, sal_Bool& bControllerSuspended ) { // Frame already dead ... so this view is closed ... is closed ... is ... .-) if (! xFrame.is()) return sal_True; // Close all views to the same document ... if forced to do so. // But dont touch our own frame here! // We must do so ... because the may be following controller->suspend() // will show the "save/discard/cancel" dialog for the last view only! if (bCloseAllOtherViewsToo) { // SAFE -> ---------------------------------- ReadGuard aReadLock(m_aLock); css::uno::Reference< css::lang::XMultiServiceFactory > xSMGR = m_xSMGR; aReadLock.unlock(); // <- SAFE ---------------------------------- css::uno::Reference< css::frame::XFramesSupplier > xDesktop(xSMGR->createInstance(SERVICENAME_DESKTOP), css::uno::UNO_QUERY_THROW); FrameListAnalyzer aCheck(xDesktop, xFrame, FrameListAnalyzer::E_ALL); sal_Int32 c = aCheck.m_lModelFrames.getLength(); sal_Int32 i = 0; for (i=0; i xController = xFrame->getController(); if (xController.is()) // some views dont uses a controller .-( (e.g. the help window) { bControllerSuspended = xController->suspend(sal_True); if (! bControllerSuspended) return sal_False; } } // dont remove the component realy by e.g. calling setComponent(null, null). // It's enough to suspend the controller. // If we close the frame later this controller doesnt show the same dialog again. return sal_True; } //----------------------------------------------- sal_Bool CloseDispatcher::implts_closeFrame() { // SAFE -> ---------------------------------- ReadGuard aReadLock(m_aLock); css::uno::Reference< css::frame::XFrame > xFrame (m_xCloseFrame.get(), css::uno::UNO_QUERY); aReadLock.unlock(); // <- SAFE ---------------------------------- // frame already dead ? => so it's closed ... it's closed ... if ( ! xFrame.is() ) return sal_True; // dont deliver owner ship; our "UI user" will try it again if it failed. // OK - he will get an empty frame then. But normaly an empty frame // should be closeable always :-) if (!fpf::closeIt(xFrame, sal_False)) return sal_False; // SAFE -> ---------------------------------- WriteGuard aWriteLock(m_aLock); m_xCloseFrame = css::uno::WeakReference< css::frame::XFrame >(); aWriteLock.unlock(); // <- SAFE ---------------------------------- return sal_True; } //----------------------------------------------- sal_Bool CloseDispatcher::implts_establishBackingMode() { // SAFE -> ---------------------------------- ReadGuard aReadLock(m_aLock); css::uno::Reference< css::lang::XMultiServiceFactory > xSMGR = m_xSMGR; css::uno::Reference< css::frame::XFrame > xFrame (m_xCloseFrame.get(), css::uno::UNO_QUERY); aReadLock.unlock(); // <- SAFE ---------------------------------- if (!xFrame.is()) return sal_False; css::uno::Reference < css::document::XActionLockable > xLock( xFrame, css::uno::UNO_QUERY ); if ( xLock.is() && xLock->isActionLocked() ) return sal_False; css::uno::Reference< css::awt::XWindow > xContainerWindow = xFrame->getContainerWindow(); css::uno::Sequence< css::uno::Any > lArgs(1); lArgs[0] <<= xContainerWindow; css::uno::Reference< css::frame::XController > xBackingComp( xSMGR->createInstanceWithArguments(SERVICENAME_STARTMODULE, lArgs), css::uno::UNO_QUERY_THROW); // Attention: You MUST(!) call setComponent() before you call attachFrame(). css::uno::Reference< css::awt::XWindow > xBackingWin(xBackingComp, css::uno::UNO_QUERY); xFrame->setComponent(xBackingWin, xBackingComp); xBackingComp->attachFrame(xFrame); xContainerWindow->setVisible(sal_True); return sal_True; } //----------------------------------------------- sal_Bool CloseDispatcher::implts_terminateApplication() { // SAFE -> ---------------------------------- ReadGuard aReadLock(m_aLock); css::uno::Reference< css::lang::XMultiServiceFactory > xSMGR = m_xSMGR; aReadLock.unlock(); // <- SAFE ---------------------------------- css::uno::Reference< css::frame::XDesktop > xDesktop( xSMGR->createInstance(SERVICENAME_DESKTOP), css::uno::UNO_QUERY_THROW); return xDesktop->terminate(); } //----------------------------------------------- void CloseDispatcher::implts_notifyResultListener(const css::uno::Reference< css::frame::XDispatchResultListener >& xListener, sal_Int16 nState , const css::uno::Any& aResult ) { if (!xListener.is()) return; css::frame::DispatchResultEvent aEvent( css::uno::Reference< css::uno::XInterface >(static_cast< ::cppu::OWeakObject* >(this), css::uno::UNO_QUERY), nState, aResult); xListener->dispatchFinished(aEvent); } //----------------------------------------------- css::uno::Reference< css::frame::XFrame > CloseDispatcher::static_impl_searchRightTargetFrame(const css::uno::Reference< css::frame::XFrame >& xFrame , const ::rtl::OUString& sTarget) { if (sTarget.equalsIgnoreAsciiCaseAscii("_self")) return xFrame; OSL_ENSURE((sTarget.getLength() < 1), "CloseDispatch used for unexpected target. Magic things will happen now .-)"); css::uno::Reference< css::frame::XFrame > xTarget = xFrame; while(sal_True) { // a) top frames wil be closed if (xTarget->isTop()) return xTarget; // b) even child frame containing top level windows (e.g. query designer of database) will be closed css::uno::Reference< css::awt::XWindow > xWindow = xTarget->getContainerWindow(); css::uno::Reference< css::awt::XTopWindow > xTopWindowCheck(xWindow, css::uno::UNO_QUERY); if (xTopWindowCheck.is()) { // b1) Note: Toolkit interface XTopWindow sometimes is used by real VCL-child-windows also .-) // Be sure that these window is realy a "top system window". // Attention ! Checking Window->GetParent() isnt the right approach here. // Because sometimes VCL create "implicit border windows" as parents even we created // a simple XWindow using the toolkit only .-( ::vos::OGuard aSolarLock(&Application::GetSolarMutex()); Window* pWindow = VCLUnoHelper::GetWindow( xWindow ); if ( (pWindow ) && (pWindow->IsSystemWindow()) ) return xTarget; } // c) try to find better results on parent frame // If no parent frame exists (because this frame is used outside the desktop tree) // the given frame must be used directly. css::uno::Reference< css::frame::XFrame > xParent(xTarget->getCreator(), css::uno::UNO_QUERY); if ( ! xParent.is()) return xTarget; // c1) check parent frame inside next loop ... xTarget = xParent; } } } // namespace framework