comphelper/source/misc/accessibleeventbuffer.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_comphelper.hxx"
  33
  34 #include "comphelper/accessibleeventbuffer.hxx"
  35
  36 #include "com/sun/star/uno/Reference.hxx"
  37 #include "com/sun/star/uno/RuntimeException.hpp"
  38 #include "com/sun/star/uno/Sequence.hxx"
  39 #include "com/sun/star/uno/XInterface.hpp"
  40 #include "com/sun/star/accessibility/AccessibleEventObject.hpp"
  41 #include "com/sun/star/accessibility/XAccessibleEventListener.hpp"
  42 #include "osl/diagnose.h"
  43 #include "rtl/textenc.h"
  44 #include "rtl/ustring.hxx"
  45 #include "sal/types.h"
  46
  47 namespace css = ::com::sun::star;
  48
  49 using comphelper::AccessibleEventBuffer;
  50
  51 struct AccessibleEventBuffer::Entry
  52 {
  53     inline Entry(::css::accessibility::AccessibleEventObject const & rEvent,
  54                  ::css::uno::Sequence< ::css::uno::Reference<
  55                  ::css::uno::XInterface > > const & rListeners):
  56         m_aEvent(rEvent), m_aListeners(rListeners) {}
  57
  58     ::css::accessibility::AccessibleEventObject m_aEvent;
  59
  60     ::css::uno::Sequence<
  61         ::css::uno::Reference< ::css::uno::XInterface > > m_aListeners;
  62 };
  63
  64 AccessibleEventBuffer::AccessibleEventBuffer()
  65 {}
  66
  67 AccessibleEventBuffer::AccessibleEventBuffer(
  68     AccessibleEventBuffer const & rOther):
  69     m_aEntries(rOther.m_aEntries)
  70 {}
  71
  72 AccessibleEventBuffer::~AccessibleEventBuffer()
  73 {}
  74
  75 AccessibleEventBuffer
  76 AccessibleEventBuffer::operator =(AccessibleEventBuffer const & rOther)
  77 {
  78     m_aEntries = rOther.m_aEntries;
  79     return *this;
  80 }
  81
  82 void AccessibleEventBuffer::addEvent(
  83     ::css::accessibility::AccessibleEventObject const & rEvent,
  84     ::css::uno::Sequence< ::css::uno::Reference< ::css::uno::XInterface > >
  85     const & rListeners)
  86 {
  87     m_aEntries.push_back(Entry(rEvent, rListeners));
  88 }
  89
  90 void AccessibleEventBuffer::sendEvents() const
  91 {
  92     for (Entries::const_iterator aIt(m_aEntries.begin());
  93          aIt != m_aEntries.end(); ++aIt)
  94         for (::sal_Int32 i = 0; i < aIt->m_aListeners.getLength(); ++i)
  95         {
  96             ::css::uno::Reference<
  97                   ::css::accessibility::XAccessibleEventListener > xListener(
  98                       aIt->m_aListeners[i], ::css::uno::UNO_QUERY);
  99             if (xListener.is())
 100                 try
 101                 {
 102                     xListener->notifyEvent(aIt->m_aEvent);
 103                 }
 104                 catch (::css::uno::RuntimeException & rEx)
 105                 {
 106                     OSL_TRACE(
 107                         "comphelper::AccessibleEventBuffer::sendEvents:"
 108                         " caught %s\n",
 109                         ::rtl::OUStringToOString(
 110                             rEx.Message, RTL_TEXTENCODING_UTF8).getStr());
 111                 }
 112         }
 113 }