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19 #include <svx/sidebar/SelectionChangeHandler.hxx>
20 #include <svx/sidebar/ContextChangeEventMultiplexer.hxx>
21 
22 #include <com/sun/star/view/XSelectionSupplier.hpp>
23 
24 #include <vcl/EnumContext.hxx>
25 
26 
27 using namespace css;
28 using namespace css::uno;
29 
30 namespace svx::sidebar {
31 
SelectionChangeHandler(const std::function<OUString ()> & rSelectionChangeCallback,const Reference<css::frame::XController> & rxController,const vcl::EnumContext::Context eDefaultContext)32 SelectionChangeHandler::SelectionChangeHandler (
33     const std::function<OUString()>& rSelectionChangeCallback,
34     const Reference<css::frame::XController>& rxController,
35     const vcl::EnumContext::Context eDefaultContext)
36     : SelectionChangeHandlerInterfaceBase(m_aMutex),
37       maSelectionChangeCallback(rSelectionChangeCallback),
38       mxController(rxController),
39       meDefaultContext(eDefaultContext),
40       mbIsConnected(false)
41 {
42 }
43 
44 
~SelectionChangeHandler()45 SelectionChangeHandler::~SelectionChangeHandler()
46 {
47 }
48 
49 
selectionChanged(const lang::EventObject &)50 void SAL_CALL SelectionChangeHandler::selectionChanged (const lang::EventObject&)
51 {
52     if (maSelectionChangeCallback)
53     {
54         const vcl::EnumContext::Context eContext (
55             vcl::EnumContext::GetContextEnum(maSelectionChangeCallback()));
56         ContextChangeEventMultiplexer::NotifyContextChange(
57             mxController,
58             eContext==vcl::EnumContext::Context::Unknown
59                 ? meDefaultContext
60                 : eContext);
61     }
62 }
63 
64 
disposing(const lang::EventObject &)65 void SAL_CALL SelectionChangeHandler::disposing (const lang::EventObject&)
66 {
67 }
68 
69 
disposing()70 void SAL_CALL SelectionChangeHandler::disposing()
71 {
72     if (mbIsConnected)
73         Disconnect();
74 }
75 
76 
Connect()77 void SelectionChangeHandler::Connect()
78 {
79     uno::Reference<view::XSelectionSupplier> xSupplier (mxController, uno::UNO_QUERY);
80     if (xSupplier.is())
81     {
82         mbIsConnected = true;
83         xSupplier->addSelectionChangeListener(this);
84     }
85 }
86 
87 
Disconnect()88 void SelectionChangeHandler::Disconnect()
89 {
90     uno::Reference<view::XSelectionSupplier> xSupplier (mxController, uno::UNO_QUERY);
91     if (xSupplier.is())
92     {
93         mbIsConnected = false;
94         xSupplier->removeSelectionChangeListener(this);
95     }
96 }
97 
98 
99 } // end of namespace svx::sidebar
100 
101 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
102