1*c45d927aSAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*c45d927aSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*c45d927aSAndrew Rist * or more contributor license agreements. See the NOTICE file 5*c45d927aSAndrew Rist * distributed with this work for additional information 6*c45d927aSAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*c45d927aSAndrew Rist * to you under the Apache License, Version 2.0 (the 8*c45d927aSAndrew Rist * "License"); you may not use this file except in compliance 9*c45d927aSAndrew Rist * with the License. You may obtain a copy of the License at 10*c45d927aSAndrew Rist * 11*c45d927aSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*c45d927aSAndrew Rist * 13*c45d927aSAndrew Rist * Unless required by applicable law or agreed to in writing, 14*c45d927aSAndrew Rist * software distributed under the License is distributed on an 15*c45d927aSAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*c45d927aSAndrew Rist * KIND, either express or implied. See the License for the 17*c45d927aSAndrew Rist * specific language governing permissions and limitations 18*c45d927aSAndrew Rist * under the License. 19*c45d927aSAndrew Rist * 20*c45d927aSAndrew Rist *************************************************************/ 21*c45d927aSAndrew Rist 22*c45d927aSAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef SD_PRESENTER_CANVAS_UPDATE_REQUESTER_HEADER 25cdf0e10cSrcweir #define SD_PRESENTER_CANVAS_UPDATE_REQUESTER_HEADER 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include "precompiled_sd.hxx" 28cdf0e10cSrcweir 29cdf0e10cSrcweir #include <com/sun/star/rendering/XSpriteCanvas.hpp> 30cdf0e10cSrcweir #include <boost/noncopyable.hpp> 31cdf0e10cSrcweir #include <boost/shared_ptr.hpp> 32cdf0e10cSrcweir #include <sal/types.h> 33cdf0e10cSrcweir #include <tools/solar.h> 34cdf0e10cSrcweir #include <tools/link.hxx> 35cdf0e10cSrcweir #include <vector> 36cdf0e10cSrcweir 37cdf0e10cSrcweir namespace css = ::com::sun::star; 38cdf0e10cSrcweir 39cdf0e10cSrcweir namespace sd { namespace presenter { 40cdf0e10cSrcweir 41cdf0e10cSrcweir /** Each UpdateRequester handles update requests (calls to 42cdf0e10cSrcweir XCanvas::updateScreen()) for one shared canvas (a canvas that has one or 43cdf0e10cSrcweir more PresenterCanvas wrappers). Multiple calls are collected and lead 44cdf0e10cSrcweir to a single call to updateScreen. 45cdf0e10cSrcweir */ 46cdf0e10cSrcweir class CanvasUpdateRequester : private ::boost::noncopyable 47cdf0e10cSrcweir { 48cdf0e10cSrcweir public: 49cdf0e10cSrcweir /** Return the Canvas UpdateRequester object for the given shared 50cdf0e10cSrcweir canvas. A new object is created when it does not already exist. 51cdf0e10cSrcweir */ 52cdf0e10cSrcweir static ::boost::shared_ptr<CanvasUpdateRequester> Instance ( 53cdf0e10cSrcweir const css::uno::Reference<css::rendering::XSpriteCanvas>& rxCanvas); 54cdf0e10cSrcweir 55cdf0e10cSrcweir void RequestUpdate (const sal_Bool bUpdateAll); 56cdf0e10cSrcweir 57cdf0e10cSrcweir private: 58cdf0e10cSrcweir CanvasUpdateRequester (const css::uno::Reference<css::rendering::XSpriteCanvas>& rxCanvas); 59cdf0e10cSrcweir ~CanvasUpdateRequester (void); 60cdf0e10cSrcweir class Deleter; friend class Deleter; 61cdf0e10cSrcweir 62cdf0e10cSrcweir typedef ::std::vector< 63cdf0e10cSrcweir ::std::pair< 64cdf0e10cSrcweir css::uno::Reference<css::rendering::XSpriteCanvas>, 65cdf0e10cSrcweir ::boost::shared_ptr<CanvasUpdateRequester> > > RequesterMap; 66cdf0e10cSrcweir static RequesterMap maRequesterMap; 67cdf0e10cSrcweir 68cdf0e10cSrcweir css::uno::Reference<css::rendering::XSpriteCanvas> mxCanvas; 69cdf0e10cSrcweir sal_uLong mnUserEventId; 70cdf0e10cSrcweir sal_Bool mbUpdateFlag; 71cdf0e10cSrcweir DECL_LINK(Callback, void*); 72cdf0e10cSrcweir }; 73cdf0e10cSrcweir 74cdf0e10cSrcweir } } // end of namespace ::sd::presenter 75cdf0e10cSrcweir 76cdf0e10cSrcweir #endif 77