| /************************************************************** |
| * |
| * 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_forms.hxx" |
| #include "windowstateguard.hxx" |
| #include "frm_strings.hxx" |
| |
| /** === begin UNO includes === **/ |
| #include <com/sun/star/awt/XWindowListener2.hpp> |
| #include <com/sun/star/beans/XPropertySet.hpp> |
| /** === end UNO includes === **/ |
| #include <cppuhelper/implbase1.hxx> |
| #include <tools/diagnose_ex.h> |
| |
| //........................................................................ |
| namespace frm |
| { |
| //........................................................................ |
| |
| /** === begin UNO using === **/ |
| using ::com::sun::star::awt::XWindowListener2; |
| using ::com::sun::star::uno::Reference; |
| using ::com::sun::star::awt::XWindow2; |
| using ::com::sun::star::awt::WindowEvent; |
| using ::com::sun::star::uno::RuntimeException; |
| using ::com::sun::star::awt::XControlModel; |
| using ::com::sun::star::beans::XPropertySet; |
| using ::com::sun::star::lang::EventObject; |
| using ::com::sun::star::uno::RuntimeException; |
| using ::com::sun::star::uno::UNO_QUERY; |
| using ::com::sun::star::uno::Exception; |
| /** === end UNO using === **/ |
| |
| //==================================================================== |
| //= WindowStateGuard_Impl |
| //==================================================================== |
| typedef ::cppu::WeakImplHelper1 < XWindowListener2 |
| > WindowStateGuard_Impl_Base; |
| class WindowStateGuard_Impl : public WindowStateGuard_Impl_Base |
| { |
| private: |
| ::osl::Mutex m_aMutex; |
| Reference< XWindow2 > m_xWindow; |
| Reference< XPropertySet > m_xModelProps; |
| |
| public: |
| /** constructs the instance |
| @param _rxWindow |
| the window at which to listen. Must not be <NULL/>. |
| @param _rxModel |
| the model which acts as the reference for the states to be enforced. Must not be <NULL/>. |
| */ |
| WindowStateGuard_Impl( const Reference< XWindow2 >& _rxWindow, const Reference< XPropertySet >& _rxMdelProps ); |
| |
| void dispose(); |
| |
| protected: |
| // XWindowListener2 |
| virtual void SAL_CALL windowEnabled( const ::com::sun::star::lang::EventObject& e ) throw (::com::sun::star::uno::RuntimeException); |
| virtual void SAL_CALL windowDisabled( const ::com::sun::star::lang::EventObject& e ) throw (::com::sun::star::uno::RuntimeException); |
| |
| // XWindowListener |
| virtual void SAL_CALL windowResized( const ::com::sun::star::awt::WindowEvent& e ) throw (::com::sun::star::uno::RuntimeException); |
| virtual void SAL_CALL windowMoved( const ::com::sun::star::awt::WindowEvent& e ) throw (::com::sun::star::uno::RuntimeException); |
| virtual void SAL_CALL windowShown( const ::com::sun::star::lang::EventObject& e ) throw (::com::sun::star::uno::RuntimeException); |
| virtual void SAL_CALL windowHidden( const ::com::sun::star::lang::EventObject& e ) throw (::com::sun::star::uno::RuntimeException); |
| |
| // XEventListener |
| virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException); |
| |
| private: |
| /** ensures that the window's Enabled state matches what is described at the model |
| @precond |
| our mutex is locked |
| */ |
| void impl_ensureEnabledState_nothrow_nolck(); |
| }; |
| |
| //-------------------------------------------------------------------- |
| WindowStateGuard_Impl::WindowStateGuard_Impl( const Reference< XWindow2 >& _rxWindow, const Reference< XPropertySet >& _rxMdelProps ) |
| :m_xWindow( _rxWindow ) |
| ,m_xModelProps( _rxMdelProps ) |
| { |
| if ( !m_xWindow.is() || !m_xModelProps.is() ) |
| throw RuntimeException(); |
| |
| osl_incrementInterlockedCount( &m_refCount ); |
| { |
| m_xWindow->addWindowListener( this ); |
| } |
| osl_decrementInterlockedCount( &m_refCount ); |
| } |
| |
| //-------------------------------------------------------------------- |
| void WindowStateGuard_Impl::dispose() |
| { |
| ::osl::MutexGuard aGuard( m_aMutex ); |
| if ( !m_xWindow.is() ) |
| // already disposed |
| return; |
| |
| m_xWindow->removeWindowListener( this ); |
| m_xWindow.clear(); |
| } |
| |
| //-------------------------------------------------------------------- |
| void WindowStateGuard_Impl::impl_ensureEnabledState_nothrow_nolck() |
| { |
| try |
| { |
| Reference< XWindow2 > xWindow; |
| sal_Bool bEnabled = sal_False; |
| sal_Bool bShouldBeEnabled = sal_False; |
| { |
| ::osl::MutexGuard aGuard( m_aMutex ); |
| if ( !m_xWindow.is() || !m_xModelProps.is() ) |
| return; |
| xWindow = m_xWindow; |
| bEnabled = xWindow->isEnabled(); |
| OSL_VERIFY( m_xModelProps->getPropertyValue( PROPERTY_ENABLED ) >>= bShouldBeEnabled ); |
| } |
| |
| if ( !bShouldBeEnabled && bEnabled && xWindow.is() ) |
| xWindow->setEnable( sal_False ); |
| } |
| catch( const Exception& ) |
| { |
| DBG_UNHANDLED_EXCEPTION(); |
| } |
| } |
| |
| //-------------------------------------------------------------------- |
| void SAL_CALL WindowStateGuard_Impl::windowEnabled( const EventObject& /*e*/ ) throw (RuntimeException) |
| { |
| impl_ensureEnabledState_nothrow_nolck(); |
| } |
| |
| //-------------------------------------------------------------------- |
| void SAL_CALL WindowStateGuard_Impl::windowDisabled( const EventObject& /*e*/ ) throw (RuntimeException) |
| { |
| impl_ensureEnabledState_nothrow_nolck(); |
| } |
| |
| //-------------------------------------------------------------------- |
| void SAL_CALL WindowStateGuard_Impl::windowResized( const WindowEvent& /*e*/ ) throw (RuntimeException) |
| { |
| // not interested in |
| } |
| |
| //-------------------------------------------------------------------- |
| void SAL_CALL WindowStateGuard_Impl::windowMoved( const WindowEvent& /*e*/ ) throw (RuntimeException) |
| { |
| // not interested in |
| } |
| |
| //-------------------------------------------------------------------- |
| void SAL_CALL WindowStateGuard_Impl::windowShown( const EventObject& /*e*/ ) throw (RuntimeException) |
| { |
| // not interested in |
| } |
| |
| //-------------------------------------------------------------------- |
| void SAL_CALL WindowStateGuard_Impl::windowHidden( const EventObject& /*e*/ ) throw (RuntimeException) |
| { |
| // not interested in |
| } |
| |
| //-------------------------------------------------------------------- |
| void SAL_CALL WindowStateGuard_Impl::disposing( const EventObject& Source ) throw (RuntimeException) |
| { |
| OSL_ENSURE( Source.Source == m_xWindow, "WindowStateGuard_Impl::disposing: where does this come from?" ); |
| (void)Source; |
| dispose(); |
| } |
| |
| //==================================================================== |
| //= WindowStateGuard |
| //==================================================================== |
| //-------------------------------------------------------------------- |
| WindowStateGuard::WindowStateGuard() |
| { |
| } |
| |
| //-------------------------------------------------------------------- |
| WindowStateGuard::~WindowStateGuard() |
| { |
| } |
| |
| //-------------------------------------------------------------------- |
| void WindowStateGuard::attach( const Reference< XWindow2 >& _rxWindow, const Reference< XControlModel >& _rxModel ) |
| { |
| if ( m_pImpl.is() ) |
| { |
| m_pImpl->dispose(); |
| m_pImpl = NULL; |
| } |
| |
| Reference< XPropertySet > xModelProps( _rxModel, UNO_QUERY ); |
| OSL_ENSURE( xModelProps.is() || !_rxModel.is(), "WindowStateGuard::attach: a model which is no XPropertySet?" ); |
| if ( _rxWindow.is() && xModelProps.is() ) |
| m_pImpl = new WindowStateGuard_Impl( _rxWindow, xModelProps ); |
| } |
| |
| //........................................................................ |
| } // namespace frm |
| //........................................................................ |
| |
