| /************************************************************** |
| * |
| * 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_VIEW_SHELL_FACTORY_HXX |
| #define SD_VIEW_SHELL_FACTORY_HXX |
| |
| #include <sal/types.h> |
| #include <memory> |
| |
| class Window; |
| |
| namespace sd { |
| |
| class FrameView; |
| class ViewShell; |
| |
| typedef sal_Int32 ShellId; |
| // This shell id is a reserved value and does not specify any valid shell. |
| static const sal_Int32 snInvalidShellId = -1; |
| |
| template<class ShellType> |
| class ShellFactory |
| { |
| public: |
| /** This abstract virtual class needs a destructor so that the |
| destructors of derived classes are called. |
| */ |
| virtual ~ShellFactory (void) {}; |
| |
| /** Create a new instance of a view shell for the given id that will |
| be stacked onto the given view shell base. |
| @return |
| Return the new view shell or NULL when a creation is not |
| possible. |
| */ |
| virtual ShellType* CreateShell ( |
| ShellId nId, |
| ::Window* pParentWindow, |
| FrameView* pFrameView = NULL) = 0; |
| |
| /** Tell the factory that a shell is no longer in use. It may destroy |
| it or put it for future use in a cache. |
| */ |
| virtual void ReleaseShell (ShellType* pShell) = 0; |
| }; |
| |
| } // end of namespace sd |
| |
| #endif |