| /************************************************************** |
| * |
| * 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. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef SD_FRAMEWORK_SHELL_STACK_GUARD_HXX |
| #define SD_FRAMEWORK_SHELL_STACK_GUARD_HXX |
| |
| #include <cppuhelper/basemutex.hxx> |
| |
| #include "framework/ConfigurationController.hxx" |
| |
| #include <com/sun/star/drawing/framework/XConfigurationChangeListener.hpp> |
| #include <com/sun/star/drawing/framework/XConfigurationController.hpp> |
| #include <com/sun/star/frame/XController.hpp> |
| |
| #include <vcl/timer.hxx> |
| #include <cppuhelper/compbase1.hxx> |
| #include <boost/scoped_ptr.hpp> |
| |
| |
| namespace css = ::com::sun::star; |
| |
| |
| namespace { |
| |
| typedef ::cppu::WeakComponentImplHelper1 < |
| css::drawing::framework::XConfigurationChangeListener |
| > ShellStackGuardInterfaceBase; |
| |
| } // end of anonymous namespace. |
| |
| namespace sd { |
| |
| class ViewShellBase; |
| |
| } |
| |
| |
| |
| |
| namespace sd { namespace framework { |
| |
| /** This module locks updates of the current configuration in situations |
| when the shell stack must not be modified. |
| |
| On every start of a configuration update the ShellStackGuard checks the |
| printer. If it is printing the configuration update is locked. It then |
| polls the printer and unlocks updates when printing finishes. |
| |
| When in the future there are no resources left that use shells then this |
| module can be removed. |
| */ |
| class ShellStackGuard |
| : private ::cppu::BaseMutex, |
| public ShellStackGuardInterfaceBase |
| { |
| public: |
| ShellStackGuard (css::uno::Reference<css::frame::XController>& rxController); |
| virtual ~ShellStackGuard (void); |
| |
| virtual void SAL_CALL disposing (void); |
| |
| |
| // XConfigurationChangeListener |
| |
| virtual void SAL_CALL notifyConfigurationChange ( |
| const css::drawing::framework::ConfigurationChangeEvent& rEvent) |
| throw (css::uno::RuntimeException); |
| |
| // XEventListener |
| |
| virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) |
| throw (css::uno::RuntimeException); |
| |
| private: |
| css::uno::Reference<css::drawing::framework::XConfigurationController> |
| mxConfigurationController; |
| ViewShellBase* mpBase; |
| ::boost::scoped_ptr<ConfigurationController::Lock> mpUpdateLock; |
| Timer maPrinterPollingTimer; |
| |
| DECL_LINK(TimeoutHandler, Timer*); |
| |
| /** Return <TRUE/> when the printer is printing. Return <FALSE/> when |
| the printer is not printing, or there is no printer, or someting |
| else went wrong. |
| */ |
| bool IsPrinting (void) const; |
| }; |
| |
| } } // end of namespace sd::framework |
| |
| #endif |