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 { 81 impl_dispatch( aURL, lArguments, xListener ); 82 } 83 84 /*----------------------------------------------- 85 20.08.2003 09:16 86 -----------------------------------------------*/ 87 void SAL_CALL LoadDispatcher::dispatch(const css::util::URL& aURL , 88 const css::uno::Sequence< css::beans::PropertyValue >& lArguments) 89 { 90 impl_dispatch( aURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >() ); 91 } 92 93 /*----------------------------------------------- 94 14.04.2008 95 -----------------------------------------------*/ 96 css::uno::Any SAL_CALL LoadDispatcher::dispatchWithReturnValue( const css::util::URL& rURL, 97 const css::uno::Sequence< css::beans::PropertyValue >& lArguments ) 98 { 99 return impl_dispatch( rURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >()); 100 } 101 102 /*----------------------------------------------- 103 20.08.2003 10:48 104 -----------------------------------------------*/ 105 void SAL_CALL LoadDispatcher::addStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/, 106 const css::util::URL& /*aURL*/ ) 107 { 108 } 109 110 /*----------------------------------------------- 111 20.08.2003 10:49 112 -----------------------------------------------*/ 113 void SAL_CALL LoadDispatcher::removeStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/, 114 const css::util::URL& /*aURL*/ ) 115 { 116 } 117 118 /*----------------------------------------------- 119 20.08.2003 09:58 120 -----------------------------------------------*/ 121 css::uno::Any LoadDispatcher::impl_dispatch( const css::util::URL& rURL, 122 const css::uno::Sequence< css::beans::PropertyValue >& lArguments, 123 const css::uno::Reference< css::frame::XDispatchResultListener >& xListener ) 124 { 125 // Attention: May be nobody outside hold such temp. dispatch object alive (because 126 // the container in which we resists isn't implemented threadsafe but updated by a timer 127 // and clear our reference ...) we should hold us self alive! 128 css::uno::Reference< css::uno::XInterface > xThis(static_cast< css::frame::XNotifyingDispatch* >(this), css::uno::UNO_QUERY); 129 130 // SAFE -> ---------------------------------- 131 ReadGuard aReadLock(m_aLock); 132 133 // We are the only client of this load env object ... but 134 // maybe a dispatch request before is still in progress (?!). 135 // Then we should wait a little bit and block this new request. 136 // In case we run into the timeout, we should reject this new request 137 // and return "FAILED" as result. Otherwise we can start this new operation. 138 if (!m_aLoader.waitWhileLoading(2000)) // => 2 sec. 139 { 140 if (xListener.is()) 141 xListener->dispatchFinished( 142 css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::DONTKNOW, css::uno::Any())); // DONTKNOW? ... not really started ... not really failed :-) 143 } 144 145 css::uno::Reference< css::frame::XFrame > xBaseFrame(m_xOwnerFrame.get(), css::uno::UNO_QUERY); 146 if (!xBaseFrame.is()) 147 { 148 if (xListener.is()) 149 xListener->dispatchFinished( 150 css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::FAILURE, css::uno::Any())); 151 } 152 153 // OK ... now the internal loader seems to be useable for new requests 154 // and our owner frame seems to be valid for such operations. 155 // Initialize it with all new but needed properties and start the loading. 156 css::uno::Reference< css::lang::XComponent > xComponent; 157 try 158 { 159 m_aLoader.initializeLoading( rURL.Complete, lArguments, xBaseFrame, m_sTarget, m_nSearchFlags, (LoadEnv::EFeature)(LoadEnv::E_ALLOW_CONTENTHANDLER | LoadEnv::E_WORK_WITH_UI)); 160 m_aLoader.startLoading(); 161 m_aLoader.waitWhileLoading(); // wait for ever! 162 xComponent = m_aLoader.getTargetComponent(); 163 164 // TODO thinking about asynchronous operations and listener support 165 } 166 catch(const LoadEnvException&) 167 { xComponent.clear(); } 168 169 if (xListener.is()) 170 { 171 if (xComponent.is()) 172 xListener->dispatchFinished( 173 css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::SUCCESS, css::uno::Any())); 174 else 175 xListener->dispatchFinished( 176 css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::FAILURE, css::uno::Any())); 177 } 178 179 // return the model - like loadComponentFromURL() 180 css::uno::Any aRet; 181 if ( xComponent.is () ) 182 aRet = css::uno::makeAny( xComponent ); 183 184 aReadLock.unlock(); 185 // <- SAFE ---------------------------------- 186 return aRet; 187 } 188 189 } // namespace framework 190