Src/Win32/ActionSpeech.cpp

   1 #include "ActionSpeech.h"
   2
   3 CActionSpeech::CActionSpeech() {
   4   m_bActive = false;
   5 }
   6
   7 // TODO: The next few methods are pretty much boiler plate - move into parent?
   8 std::string CActionSpeech::GetName() {
   9   return "Speak";
  10 }
  11
  12 bool CActionSpeech::Activate() {
  13   HRESULT hr = CoCreateInstance(CLSID_SpVoice, NULL, CLSCTX_ALL, IID_ISpVoice, (void **)&pVoice);
  14
  15   if(hr!=S_OK)
  16     pVoice=0;
  17
  18   if(pVoice == 0) {
  19     m_bActive = false;
  20     return false;
  21   }
  22
  23   // TODO: Why is this needed?
  24   pVoice->Speak(L"",SPF_ASYNC,NULL);
  25
  26   m_bActive = true;
  27   return true;
  28 }
  29
  30 bool CActionSpeech::Deactivate() {
  31   if (pVoice!=NULL) {
  32     pVoice->Release();
  33     pVoice=NULL;
  34   }
  35
  36   m_bActive = false;
  37   return true;
  38 }
  39
  40 bool CActionSpeech::GetActive() {
  41   return m_bActive;
  42 }
  43
  44 bool CActionSpeech::Execute(const std::wstring &strText) {
  45   if(!m_bActive)
  46     return false;
  47
  48   if(pVoice == 0)
  49     return false;
  50
  51   pVoice->Speak(strText.c_str(), SPF_ASYNC, NULL);
  52
  53   return true;
  54 }
  55
  56 void CActionSpeech::Preview(const std::wstring &strText) {
  57   Execute(strText);
  58 }