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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 (void)
32     : maAction(),
33       mnCallId(0)
34 {
35 }
36 
37 
38 
39 
40 AsynchronousCall::AsynchronousCall (const Action& rAction)
41     : maAction(rAction),
42       mnCallId(0)
43 {
44 }
45 
46 
47 
48 
49 AsynchronousCall::~AsynchronousCall (void)
50 {
51     CancelRequest();
52 }
53 
54 
55 
56 
57 void AsynchronousCall::RequestCall (const Action& rAction)
58 {
59     CancelRequest();
60     maAction = rAction;
61     RequestCall();
62 }
63 
64 
65 
66 
67 void AsynchronousCall::RequestCall (void)
68 {
69     if (mnCallId == 0)
70     {
71         Link aLink (LINK(this, AsynchronousCall, HandleUserCall));
72         mnCallId = Application::PostUserEvent(aLink);
73     }
74 }
75 
76 
77 
78 
79 void AsynchronousCall::CancelRequest (void)
80 {
81     if (mnCallId != 0)
82     {
83         Application::RemoveUserEvent(mnCallId);
84         mnCallId = 0;
85     }
86 }
87 
88 
89 
90 
91 IMPL_LINK(AsynchronousCall, HandleUserCall, void*, EMPTYARG )
92 {
93     mnCallId = 0;
94     if (maAction)
95         maAction();
96 
97     return sal_True;
98 }
99 
100 
101 } } // end of namespace sfx2::sidebar
102 
103