1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_framework.hxx" 26 27 //_______________________________________________ 28 // my own includes 29 #include <dispatch/loaddispatcher.hxx> 30 #include <threadhelp/readguard.hxx> 31 #include <threadhelp/writeguard.hxx> 32 33 //_______________________________________________ 34 // interface includes 35 #include <com/sun/star/frame/DispatchResultState.hpp> 36 37 //_______________________________________________ 38 // includes of other projects 39 40 //_______________________________________________ 41 // namespace 42 43 namespace framework{ 44 45 namespace css = ::com::sun::star; 46 47 //_______________________________________________ 48 // declarations 49 50 /*----------------------------------------------- 51 20.08.2003 09:52 52 -----------------------------------------------*/ 53 LoadDispatcher::LoadDispatcher(const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR , 54 const css::uno::Reference< css::frame::XFrame >& xOwnerFrame , 55 const ::rtl::OUString sTargetName , 56 sal_Int32 nSearchFlags) 57 : ThreadHelpBase( ) 58 , m_xSMGR (xSMGR ) 59 , m_xOwnerFrame (xOwnerFrame ) 60 , m_sTarget (sTargetName ) 61 , m_nSearchFlags(nSearchFlags) 62 , m_aLoader (xSMGR ) 63 { 64 } 65 66 /*----------------------------------------------- 67 20.08.2003 09:12 68 -----------------------------------------------*/ 69 LoadDispatcher::~LoadDispatcher() 70 { 71 m_xSMGR.clear(); 72 } 73 74 /*----------------------------------------------- 75 20.08.2003 09:58 76 -----------------------------------------------*/ 77 void SAL_CALL LoadDispatcher::dispatchWithNotification(const css::util::URL& aURL , 78 const css::uno::Sequence< css::beans::PropertyValue >& lArguments, 79 const css::uno::Reference< css::frame::XDispatchResultListener >& xListener ) 80 throw(css::uno::RuntimeException) 81 { 82 impl_dispatch( aURL, lArguments, xListener ); 83 } 84 85 /*----------------------------------------------- 86 20.08.2003 09:16 87 -----------------------------------------------*/ 88 void SAL_CALL LoadDispatcher::dispatch(const css::util::URL& aURL , 89 const css::uno::Sequence< css::beans::PropertyValue >& lArguments) 90 throw(css::uno::RuntimeException) 91 { 92 impl_dispatch( aURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >() ); 93 } 94 95 /*----------------------------------------------- 96 14.04.2008 97 -----------------------------------------------*/ 98 css::uno::Any SAL_CALL LoadDispatcher::dispatchWithReturnValue( const css::util::URL& rURL, 99 const css::uno::Sequence< css::beans::PropertyValue >& lArguments ) 100 throw( css::uno::RuntimeException ) 101 { 102 return impl_dispatch( rURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >()); 103 } 104 105 /*----------------------------------------------- 106 20.08.2003 10:48 107 -----------------------------------------------*/ 108 void SAL_CALL LoadDispatcher::addStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/, 109 const css::util::URL& /*aURL*/ ) 110 throw(css::uno::RuntimeException) 111 { 112 } 113 114 /*----------------------------------------------- 115 20.08.2003 10:49 116 -----------------------------------------------*/ 117 void SAL_CALL LoadDispatcher::removeStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/, 118 const css::util::URL& /*aURL*/ ) 119 throw(css::uno::RuntimeException) 120 { 121 } 122 123 /*----------------------------------------------- 124 20.08.2003 09:58 125 -----------------------------------------------*/ 126 css::uno::Any LoadDispatcher::impl_dispatch( const css::util::URL& rURL, 127 const css::uno::Sequence< css::beans::PropertyValue >& lArguments, 128 const css::uno::Reference< css::frame::XDispatchResultListener >& xListener ) 129 { 130 // Attention: May be nobody outside hold such temp. dispatch object alive (because 131 // the container in which we resists isn't implemented threadsafe but updated by a timer 132 // and clear our reference ...) we should hold us self alive! 133 css::uno::Reference< css::uno::XInterface > xThis(static_cast< css::frame::XNotifyingDispatch* >(this), css::uno::UNO_QUERY); 134 135 // SAFE -> ---------------------------------- 136 ReadGuard aReadLock(m_aLock); 137 138 // We are the only client of this load env object ... but 139 // may a dispatch request before is still in progress (?!). 140 // Then we should wait a little bit and block this new request. 141 // In case we run into the timeout, we should reject this new request 142 // and return "FAILED" as result. Otherwhise we can start this new operation. 143 if (!m_aLoader.waitWhileLoading(2000)) // => 2 sec. 144 { 145 if (xListener.is()) 146 xListener->dispatchFinished( 147 css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::DONTKNOW, css::uno::Any())); // DONTKNOW? ... not really started ... not really failed :-) 148 } 149 150 css::uno::Reference< css::frame::XFrame > xBaseFrame(m_xOwnerFrame.get(), css::uno::UNO_QUERY); 151 if (!xBaseFrame.is()) 152 { 153 if (xListener.is()) 154 xListener->dispatchFinished( 155 css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::FAILURE, css::uno::Any())); 156 } 157 158 // OK ... now the internal loader seems to be useable for new requests 159 // and our owner frame seems to be valid for such operations. 160 // Initialize it with all new but needed properties and start the loading. 161 css::uno::Reference< css::lang::XComponent > xComponent; 162 try 163 { 164 m_aLoader.initializeLoading( rURL.Complete, lArguments, xBaseFrame, m_sTarget, m_nSearchFlags, (LoadEnv::EFeature)(LoadEnv::E_ALLOW_CONTENTHANDLER | LoadEnv::E_WORK_WITH_UI)); 165 m_aLoader.startLoading(); 166 m_aLoader.waitWhileLoading(); // wait for ever! 167 xComponent = m_aLoader.getTargetComponent(); 168 169 // TODO thinking about asynchronous operations and listener support 170 } 171 catch(const LoadEnvException&) 172 { xComponent.clear(); } 173 174 if (xListener.is()) 175 { 176 if (xComponent.is()) 177 xListener->dispatchFinished( 178 css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::SUCCESS, css::uno::Any())); 179 else 180 xListener->dispatchFinished( 181 css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::FAILURE, css::uno::Any())); 182 } 183 184 // return the model - like loadComponentFromURL() 185 css::uno::Any aRet; 186 if ( xComponent.is () ) 187 aRet = css::uno::makeAny( xComponent ); 188 189 aReadLock.unlock(); 190 // <- SAFE ---------------------------------- 191 return aRet; 192 } 193 194 } // namespace framework 195