1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski
24*b1cdbd2cSJim Jagielski #include "precompiled_sd.hxx"
25*b1cdbd2cSJim Jagielski
26*b1cdbd2cSJim Jagielski #include "CanvasUpdateRequester.hxx"
27*b1cdbd2cSJim Jagielski #include <vcl/svapp.hxx>
28*b1cdbd2cSJim Jagielski #include <com/sun/star/lang/XComponent.hpp>
29*b1cdbd2cSJim Jagielski
30*b1cdbd2cSJim Jagielski using namespace ::com::sun::star;
31*b1cdbd2cSJim Jagielski using namespace ::com::sun::star::uno;
32*b1cdbd2cSJim Jagielski using ::rtl::OUString;
33*b1cdbd2cSJim Jagielski
34*b1cdbd2cSJim Jagielski namespace sd { namespace presenter {
35*b1cdbd2cSJim Jagielski
36*b1cdbd2cSJim Jagielski //===== CanvasUpdateRequester::Deleter ========================================
37*b1cdbd2cSJim Jagielski
38*b1cdbd2cSJim Jagielski class CanvasUpdateRequester::Deleter
39*b1cdbd2cSJim Jagielski {
40*b1cdbd2cSJim Jagielski public:
operator ()(CanvasUpdateRequester * pObject)41*b1cdbd2cSJim Jagielski void operator() (CanvasUpdateRequester* pObject) { delete pObject; }
42*b1cdbd2cSJim Jagielski };
43*b1cdbd2cSJim Jagielski
44*b1cdbd2cSJim Jagielski
45*b1cdbd2cSJim Jagielski
46*b1cdbd2cSJim Jagielski
47*b1cdbd2cSJim Jagielski //===== CanvasUpdateRequester =================================================
48*b1cdbd2cSJim Jagielski
49*b1cdbd2cSJim Jagielski CanvasUpdateRequester::RequesterMap CanvasUpdateRequester::maRequesterMap;
50*b1cdbd2cSJim Jagielski
Instance(const Reference<rendering::XSpriteCanvas> & rxSharedCanvas)51*b1cdbd2cSJim Jagielski ::boost::shared_ptr<CanvasUpdateRequester> CanvasUpdateRequester::Instance (
52*b1cdbd2cSJim Jagielski const Reference<rendering::XSpriteCanvas>& rxSharedCanvas)
53*b1cdbd2cSJim Jagielski {
54*b1cdbd2cSJim Jagielski RequesterMap::const_iterator iRequester;
55*b1cdbd2cSJim Jagielski for (iRequester=maRequesterMap.begin(); iRequester!=maRequesterMap.end(); ++iRequester)
56*b1cdbd2cSJim Jagielski {
57*b1cdbd2cSJim Jagielski if (iRequester->first == rxSharedCanvas)
58*b1cdbd2cSJim Jagielski return iRequester->second;
59*b1cdbd2cSJim Jagielski }
60*b1cdbd2cSJim Jagielski
61*b1cdbd2cSJim Jagielski // No requester for the given canvas found. Create a new one.
62*b1cdbd2cSJim Jagielski ::boost::shared_ptr<CanvasUpdateRequester> pRequester (
63*b1cdbd2cSJim Jagielski new CanvasUpdateRequester(rxSharedCanvas), Deleter());
64*b1cdbd2cSJim Jagielski maRequesterMap.push_back(RequesterMap::value_type(rxSharedCanvas,pRequester));
65*b1cdbd2cSJim Jagielski return pRequester;
66*b1cdbd2cSJim Jagielski }
67*b1cdbd2cSJim Jagielski
68*b1cdbd2cSJim Jagielski
69*b1cdbd2cSJim Jagielski
70*b1cdbd2cSJim Jagielski
CanvasUpdateRequester(const Reference<rendering::XSpriteCanvas> & rxCanvas)71*b1cdbd2cSJim Jagielski CanvasUpdateRequester::CanvasUpdateRequester (
72*b1cdbd2cSJim Jagielski const Reference<rendering::XSpriteCanvas>& rxCanvas)
73*b1cdbd2cSJim Jagielski : mxCanvas(rxCanvas),
74*b1cdbd2cSJim Jagielski mnUserEventId(0),
75*b1cdbd2cSJim Jagielski mbUpdateFlag(sal_False)
76*b1cdbd2cSJim Jagielski {
77*b1cdbd2cSJim Jagielski Reference<lang::XComponent> xComponent (mxCanvas, UNO_QUERY);
78*b1cdbd2cSJim Jagielski if (xComponent.is())
79*b1cdbd2cSJim Jagielski {
80*b1cdbd2cSJim Jagielski //xComponent->addEventListener(this);
81*b1cdbd2cSJim Jagielski }
82*b1cdbd2cSJim Jagielski }
83*b1cdbd2cSJim Jagielski
84*b1cdbd2cSJim Jagielski
85*b1cdbd2cSJim Jagielski
86*b1cdbd2cSJim Jagielski
~CanvasUpdateRequester(void)87*b1cdbd2cSJim Jagielski CanvasUpdateRequester::~CanvasUpdateRequester (void)
88*b1cdbd2cSJim Jagielski {
89*b1cdbd2cSJim Jagielski if (mnUserEventId != 0)
90*b1cdbd2cSJim Jagielski Application::RemoveUserEvent(mnUserEventId);
91*b1cdbd2cSJim Jagielski }
92*b1cdbd2cSJim Jagielski
93*b1cdbd2cSJim Jagielski
94*b1cdbd2cSJim Jagielski
95*b1cdbd2cSJim Jagielski
RequestUpdate(const sal_Bool bUpdateAll)96*b1cdbd2cSJim Jagielski void CanvasUpdateRequester::RequestUpdate (const sal_Bool bUpdateAll)
97*b1cdbd2cSJim Jagielski {
98*b1cdbd2cSJim Jagielski if (mnUserEventId == 0)
99*b1cdbd2cSJim Jagielski {
100*b1cdbd2cSJim Jagielski mbUpdateFlag = bUpdateAll;
101*b1cdbd2cSJim Jagielski mnUserEventId = Application::PostUserEvent(LINK(this, CanvasUpdateRequester, Callback));
102*b1cdbd2cSJim Jagielski }
103*b1cdbd2cSJim Jagielski else
104*b1cdbd2cSJim Jagielski {
105*b1cdbd2cSJim Jagielski mbUpdateFlag |= bUpdateAll;
106*b1cdbd2cSJim Jagielski }
107*b1cdbd2cSJim Jagielski }
108*b1cdbd2cSJim Jagielski
109*b1cdbd2cSJim Jagielski
110*b1cdbd2cSJim Jagielski
IMPL_LINK(CanvasUpdateRequester,Callback,void *,EMPTYARG)111*b1cdbd2cSJim Jagielski IMPL_LINK(CanvasUpdateRequester, Callback, void*, EMPTYARG)
112*b1cdbd2cSJim Jagielski {
113*b1cdbd2cSJim Jagielski mnUserEventId = 0;
114*b1cdbd2cSJim Jagielski if (mxCanvas.is())
115*b1cdbd2cSJim Jagielski {
116*b1cdbd2cSJim Jagielski mxCanvas->updateScreen(mbUpdateFlag);
117*b1cdbd2cSJim Jagielski mbUpdateFlag = sal_False;
118*b1cdbd2cSJim Jagielski }
119*b1cdbd2cSJim Jagielski return 0;
120*b1cdbd2cSJim Jagielski }
121*b1cdbd2cSJim Jagielski
122*b1cdbd2cSJim Jagielski
123*b1cdbd2cSJim Jagielski } } // end of namespace ::sd::presenter
124