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See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_framework.hxx" 30 31 //_______________________________________________ 32 // my own includes 33 #include <dispatch/loaddispatcher.hxx> 34 #include <threadhelp/readguard.hxx> 35 #include <threadhelp/writeguard.hxx> 36 37 //_______________________________________________ 38 // interface includes 39 #include <com/sun/star/frame/DispatchResultState.hpp> 40 41 //_______________________________________________ 42 // includes of other projects 43 44 //_______________________________________________ 45 // namespace 46 47 namespace framework{ 48 49 namespace css = ::com::sun::star; 50 51 //_______________________________________________ 52 // declarations 53 54 /*----------------------------------------------- 55 20.08.2003 09:52 56 -----------------------------------------------*/ 57 LoadDispatcher::LoadDispatcher(const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR , 58 const css::uno::Reference< css::frame::XFrame >& xOwnerFrame , 59 const ::rtl::OUString sTargetName , 60 sal_Int32 nSearchFlags) 61 : ThreadHelpBase( ) 62 , m_xSMGR (xSMGR ) 63 , m_xOwnerFrame (xOwnerFrame ) 64 , m_sTarget (sTargetName ) 65 , m_nSearchFlags(nSearchFlags) 66 , m_aLoader (xSMGR ) 67 { 68 } 69 70 /*----------------------------------------------- 71 20.08.2003 09:12 72 -----------------------------------------------*/ 73 LoadDispatcher::~LoadDispatcher() 74 { 75 m_xSMGR.clear(); 76 } 77 78 /*----------------------------------------------- 79 20.08.2003 09:58 80 -----------------------------------------------*/ 81 void SAL_CALL LoadDispatcher::dispatchWithNotification(const css::util::URL& aURL , 82 const css::uno::Sequence< css::beans::PropertyValue >& lArguments, 83 const css::uno::Reference< css::frame::XDispatchResultListener >& xListener ) 84 throw(css::uno::RuntimeException) 85 { 86 impl_dispatch( aURL, lArguments, xListener ); 87 } 88 89 /*----------------------------------------------- 90 20.08.2003 09:16 91 -----------------------------------------------*/ 92 void SAL_CALL LoadDispatcher::dispatch(const css::util::URL& aURL , 93 const css::uno::Sequence< css::beans::PropertyValue >& lArguments) 94 throw(css::uno::RuntimeException) 95 { 96 impl_dispatch( aURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >() ); 97 } 98 99 /*----------------------------------------------- 100 14.04.2008 101 -----------------------------------------------*/ 102 css::uno::Any SAL_CALL LoadDispatcher::dispatchWithReturnValue( const css::util::URL& rURL, 103 const css::uno::Sequence< css::beans::PropertyValue >& lArguments ) 104 throw( css::uno::RuntimeException ) 105 { 106 return impl_dispatch( rURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >()); 107 } 108 109 /*----------------------------------------------- 110 20.08.2003 10:48 111 -----------------------------------------------*/ 112 void SAL_CALL LoadDispatcher::addStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/, 113 const css::util::URL& /*aURL*/ ) 114 throw(css::uno::RuntimeException) 115 { 116 } 117 118 /*----------------------------------------------- 119 20.08.2003 10:49 120 -----------------------------------------------*/ 121 void SAL_CALL LoadDispatcher::removeStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/, 122 const css::util::URL& /*aURL*/ ) 123 throw(css::uno::RuntimeException) 124 { 125 } 126 127 /*----------------------------------------------- 128 20.08.2003 09:58 129 -----------------------------------------------*/ 130 css::uno::Any LoadDispatcher::impl_dispatch( const css::util::URL& rURL, 131 const css::uno::Sequence< css::beans::PropertyValue >& lArguments, 132 const css::uno::Reference< css::frame::XDispatchResultListener >& xListener ) 133 { 134 // Attention: May be nobody outside hold such temp. dispatch object alive (because 135 // the container in which we resists isnt implemented threadsafe but updated by a timer 136 // and clear our reference ...) we should hold us self alive! 137 css::uno::Reference< css::uno::XInterface > xThis(static_cast< css::frame::XNotifyingDispatch* >(this), css::uno::UNO_QUERY); 138 139 // SAFE -> ---------------------------------- 140 ReadGuard aReadLock(m_aLock); 141 142 // We are the only client of this load env object ... but 143 // may a dispatch request before is still in progress (?!). 144 // Then we should wait a little bit and block this new request. 145 // In case we run into the timeout, we should reject this new request 146 // and return "FAILED" as result. Otherwhise we can start this new operation. 147 if (!m_aLoader.waitWhileLoading(2000)) // => 2 sec. 148 { 149 if (xListener.is()) 150 xListener->dispatchFinished( 151 css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::DONTKNOW, css::uno::Any())); // DONTKNOW? ... not realy started ... not realy failed :-) 152 } 153 154 css::uno::Reference< css::frame::XFrame > xBaseFrame(m_xOwnerFrame.get(), css::uno::UNO_QUERY); 155 if (!xBaseFrame.is()) 156 { 157 if (xListener.is()) 158 xListener->dispatchFinished( 159 css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::FAILURE, css::uno::Any())); 160 } 161 162 // OK ... now the internal loader seems to be useable for new requests 163 // and our owner frame seems to be valid for such operations. 164 // Initialize it with all new but needed properties and start the loading. 165 css::uno::Reference< css::lang::XComponent > xComponent; 166 try 167 { 168 m_aLoader.initializeLoading( rURL.Complete, lArguments, xBaseFrame, m_sTarget, m_nSearchFlags, (LoadEnv::EFeature)(LoadEnv::E_ALLOW_CONTENTHANDLER | LoadEnv::E_WORK_WITH_UI)); 169 m_aLoader.startLoading(); 170 m_aLoader.waitWhileLoading(); // wait for ever! 171 xComponent = m_aLoader.getTargetComponent(); 172 173 // TODO thinking about asynchronous operations and listener support 174 } 175 catch(const LoadEnvException&) 176 { xComponent.clear(); } 177 178 if (xListener.is()) 179 { 180 if (xComponent.is()) 181 xListener->dispatchFinished( 182 css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::SUCCESS, css::uno::Any())); 183 else 184 xListener->dispatchFinished( 185 css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::FAILURE, css::uno::Any())); 186 } 187 188 // return the model - like loadComponentFromURL() 189 css::uno::Any aRet; 190 if ( xComponent.is () ) 191 aRet = css::uno::makeAny( xComponent ); 192 193 aReadLock.unlock(); 194 // <- SAFE ---------------------------------- 195 return aRet; 196 } 197 198 } // namespace framework 199