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21 
22 #include "precompiled_sfx2.hxx"
23 
24 #include "AsynchronousCall.hxx"
25 
26 #include <vcl/svapp.hxx>
27 
28 
29 namespace sfx2 { namespace sidebar {
30 
31 AsynchronousCall::AsynchronousCall (const Action& rAction)
32     : maAction(rAction),
33       mnCallId(0)
34 {
35 }
36 
37 
38 
39 
40 AsynchronousCall::~AsynchronousCall (void)
41 {
42     CancelRequest();
43 }
44 
45 
46 
47 
48 void AsynchronousCall::RequestCall (const Action& rAction)
49 {
50     CancelRequest();
51     maAction = rAction;
52     RequestCall();
53 }
54 
55 
56 
57 
58 void AsynchronousCall::RequestCall (void)
59 {
60     if (mnCallId == 0)
61     {
62         Link aLink (LINK(this, AsynchronousCall, HandleUserCall));
63         mnCallId = Application::PostUserEvent(aLink);
64     }
65 }
66 
67 
68 
69 
70 void AsynchronousCall::CancelRequest (void)
71 {
72     if (mnCallId != 0)
73     {
74         Application::RemoveUserEvent(mnCallId);
75         mnCallId = -1;
76     }
77 }
78 
79 
80 
81 
82 IMPL_LINK(AsynchronousCall, HandleUserCall, void*, EMPTYARG )
83 {
84     mnCallId = 0;
85     if (maAction)
86         maAction();
87 
88     return sal_True;
89 }
90 
91 
92 } } // end of namespace sfx2::sidebar
93 
94