oggplayappview.cpp

OggPlay for Symbian 是symbian上的一个媒体播放程序的源码。它支持ogg,wav等等多媒体格式。

          iApp->iOggPlayback->SetVolume(iApp->iVolume);
		      UpdateVolume();
        } else { // not playing, i.e. stopped or paused
          if (scanCode==EOggDown || scanCode==EOggLeft) {
            iApp->SelectPreviousView();
          } else if (scanCode==EOggDown || scanCode==EOggRight) {
            if( HasAFileName(index) )
              iApp->HandleCommandL(EOggPlay);
            else
              iApp->SelectNextView();
          }

        }
        return EKeyWasConsumed;
      } 
    }   
  }  

  if(code == EOggConfirm) {
    if(!iFocusControlsPresent) {

       if (iApp->iOggPlayback->State()==CAbsPlayback::EPlaying ||
            iApp->iOggPlayback->State()==CAbsPlayback::EPaused) {
            if (iApp->iSongList->IsSelectedFromListBoxCurrentlyPlaying() && ((iApp->iViewBy==COggPlayAppUi::ETitle) || (iApp->iViewBy==COggPlayAppUi::EFileName)))
                // Event on the current active file
                iApp->HandleCommandL(EOggPauseResume);
            else
                iApp->HandleCommandL(EOggPlay);
        }
      else
        // Event without any active files
        iApp->HandleCommandL(EOggPlay);

    } else if(c==iPlayButton[iMode]) { 
      // manually move focus to pause button
      c->SetFocus(EFalse);
      do {
        iFocusControlsIter++;
        if(!iFocusControlsIter) iFocusControlsIter.SetToFirst();
        c=iFocusControlsIter;
      } while (c!=iPauseButton[iMode]);
      c->SetFocus(ETrue);
      iApp->HandleCommandL(EOggPauseResume);
    } else if (c==iPauseButton[iMode]) {
      c->SetFocus(EFalse);
      do {
        iFocusControlsIter++;
        if(!iFocusControlsIter) iFocusControlsIter.SetToFirst();
        c=iFocusControlsIter;
      } while (c!=iPlayButton[iMode]);
      c->SetFocus(ETrue);
      iApp->HandleCommandL(EOggPauseResume);
    } else if(c==iStopButton[iMode]) {
        iApp->HandleCommandL(EOggStop);
    } else if (iApp->iOggPlayback->State()==CAbsPlayback::EPlaying ||
	             iApp->iOggPlayback->State()==CAbsPlayback::EPaused) 
           iApp->HandleCommandL(EOggStop);
      else iApp->HandleCommandL(EOggPlay);
    return EKeyWasConsumed;
  } 
  #if defined(SERIES60)
  // S60 User Hotkeys
  switch(COggUserHotkeysControl::Hotkey(aKeyEvent,aType,&iApp->iSettings)) {
    case TOggplaySettings::EFastForward : {
      TInt64 pos=iApp->iOggPlayback->Position() + KFfRwdStep;
      iApp->iOggPlayback->SetPosition(pos);

#if defined(SERIES60V3)
  	  iPosition[iMode]->SetValue(pos);
#else
  	  iPosition[iMode]->SetValue(pos.GetTInt());
#endif

	  UpdateSongPosition();
	  iCanvas[iMode]->Refresh();
	  return EKeyWasConsumed;
      }
    case TOggplaySettings::ERewind : {
      TInt64 pos=iApp->iOggPlayback->Position() - KFfRwdStep;
      iApp->iOggPlayback->SetPosition(pos);

#if defined(SERIES60V3)
  	  iPosition[iMode]->SetValue(pos);
#else
  	  iPosition[iMode]->SetValue(pos.GetTInt());
#endif

	  UpdateSongPosition();
	  iCanvas[iMode]->Refresh();
      return EKeyWasConsumed;
      }
    case TOggplaySettings::EPageDown : {
      ListBoxPageDown();
      return EKeyWasConsumed;
      }
    case TOggplaySettings::EPageUp : {
      ListBoxPageUp();
      return EKeyWasConsumed;
      }
    case TOggplaySettings::ENextSong : {
	    iApp->NextSong();
	    return EKeyWasConsumed;
	    }
    case TOggplaySettings::EPreviousSong : {
	    iApp->PreviousSong();
	    return EKeyWasConsumed;
	    }
    case TOggplaySettings::EPauseResume : {
	    iApp->PauseResume();
	    return EKeyWasConsumed;
	    }
    case TOggplaySettings::EPlay : {
	    iApp->HandleCommandL(EOggPlay);
	    return EKeyWasConsumed;
	    }
    case TOggplaySettings::EPause : {
	    iApp->HandleCommandL(EUserPauseCBA); // well..
	    return EKeyWasConsumed;
	    }
    case TOggplaySettings::EStop : {
      iApp->HandleCommandL(EOggStop);		
      return EKeyWasConsumed;
	    }
    case TOggplaySettings::EKeylock : {
      if( aKeyEvent.iRepeats > 0 )
        {
        RAknKeyLock keyLock;
        keyLock.Connect ();
        keyLock.EnableKeyLock() ;
        keyLock.Close() ;
        }
      return EKeyWasConsumed;
      }

    case TOggplaySettings::EVolumeBoostUp : {
		TGainType currentGain = (TGainType) iApp->iSettings.iGainType;
		TInt newGain = currentGain + 1;
		if (newGain<=EStatic12dB)
			iApp->SetVolumeGainL((TGainType) newGain);

		return EKeyWasConsumed;
		}

	case TOggplaySettings::EVolumeBoostDown : {
		TGainType currentGain = (TGainType) iApp->iSettings.iGainType;
		TInt newGain = currentGain - 1;
		if (newGain>=EMinus24dB)
			iApp->SetVolumeGainL((TGainType) newGain);

		return EKeyWasConsumed;
		}
	default :
      break;
    }
#endif

  if (code>0) {
    if (aKeyEvent.iScanCode==EStdKeyDeviceD) { iApp->NextSong(); return EKeyWasConsumed; }           // jog dial up
    else if (aKeyEvent.iScanCode==EStdKeyDeviceE) { iApp->PreviousSong(); return EKeyWasConsumed; }  // jog dial down
    else if (aKeyEvent.iScanCode==167) { AppToForeground(EFalse); return EKeyWasConsumed; }          // back key <-
    else if (aKeyEvent.iScanCode==174) { iApp->HandleCommandL(EOggStop); return EKeyWasConsumed; }   // "C" key
    //else if (aKeyEvent.iScanCode==173) { iApp->HandleCommandL(EOggShuffle); return EKeyWasConsumed; }// menu button
    else if (aKeyEvent.iScanCode==173) { 
    } else if (aKeyEvent.iScanCode==133) { // "*"
      if (iTitle[iMode]) iTitle[iMode]->ScrollNow();
      if (iAlbum[iMode]) iAlbum[iMode]->ScrollNow();
      if (iArtist[iMode]) iArtist[iMode]->ScrollNow();
      if (iGenre[iMode]) iGenre[iMode]->ScrollNow();
      return EKeyWasConsumed;
    }
    else if (aKeyEvent.iScanCode==127) { // "#"
      iApp->ToggleRepeat();
      return EKeyWasConsumed;
    }
    // 48..57 == "0"..."9"
    // 172 jog dial press
    // 179    == OK

    // this is what's being sent when closing through taskswitcher
    // couldn't find any documentation on this.
    if(code==EStdKeyNumLock) {
      iApp->HandleCommandL(EEikCmdExit);
      return EKeyWasConsumed;
    }
  }

  return EKeyWasNotConsumed;
#else // UIQ keyhandling
#if !defined( MOTOROLA )
  enum EOggKeys {
      EOggConfirm=EQuartzKeyConfirm,
  };
  enum EOggScancodes {
    EOggUp=EStdQuartzKeyTwoWayUp,
    EOggDown=EStdQuartzKeyTwoWayDown
  };

  TInt code     = aKeyEvent.iCode;
  TInt modifiers= aKeyEvent.iModifiers & EAllStdModifiers;
  TInt iHotkey  = ((COggPlayAppUi *)iEikonEnv->EikAppUi())->iHotkey;


  if (iHotkey && aType == EEventKey &&
     code == keycodes[iHotkey-1].code && modifiers==keycodes[iHotkey-1].mask) {
    iApp->ActivateOggViewL();
    return EKeyWasConsumed;
  }

  if(code == EOggConfirm) {
    if (IsFlipOpen()) {
      if (iApp->iOggPlayback->State()==CAbsPlayback::EPlaying ||
	  iApp->iOggPlayback->State()==CAbsPlayback::EPaused) iApp->HandleCommandL(EOggStop);
      else iApp->HandleCommandL(EOggPlay);
    } else {
      if (iApp->iOggPlayback->State()==CAbsPlayback::EPlaying ||
	  iApp->iOggPlayback->State()==CAbsPlayback::EPaused) iApp->HandleCommandL(EOggPauseResume);
      else iApp->HandleCommandL(EOggPlay);
    }
    return EKeyWasConsumed;
  }

  if (code>0) {
    if (aKeyEvent.iScanCode==EStdKeyDeviceD) { iApp->NextSong(); return EKeyWasConsumed; }           // jog dial up
    else if (aKeyEvent.iScanCode==EStdKeyDeviceE) { iApp->PreviousSong(); return EKeyWasConsumed; }  // jog dial down
    else if (aKeyEvent.iScanCode==167) { AppToForeground(EFalse); return EKeyWasConsumed; }          // back key <-
    else if (aKeyEvent.iScanCode==174) { iApp->HandleCommandL(EOggStop); return EKeyWasConsumed; }   // "C" key
    //else if (aKeyEvent.iScanCode==173) { iApp->HandleCommandL(EOggShuffle); return EKeyWasConsumed; }// menu button
    else if (aKeyEvent.iScanCode==173) { 
      iApp->LaunchPopupMenuL(R_POPUP_MENU,TPoint(100,100),EPopupTargetTopLeft);
      //Invalidate();
      //Update();
      return EKeyWasConsumed; 
    } else if (aKeyEvent.iScanCode==133) { // "*"
      if (iTitle[iMode]) iTitle[iMode]->ScrollNow();
      if (iAlbum[iMode]) iAlbum[iMode]->ScrollNow();
      if (iArtist[iMode]) iArtist[iMode]->ScrollNow();
      if (iGenre[iMode]) iGenre[iMode]->ScrollNow();
      return EKeyWasConsumed;
    }
    else if (aKeyEvent.iScanCode==127) { // "#"
      iApp->ToggleRepeat();
      return EKeyWasConsumed;
    }
    // 48..57 == "0"..."9"
    // 172 jog dial press
    // 179    == OK
  }

  if (iApp->iOggPlayback->State()==CAbsPlayback::EPlaying || !IsFlipOpen() ) {
    // volume
    if (code==0 && aType==EEventKeyDown) { 
      if (aKeyEvent.iScanCode==EOggUp || aKeyEvent.iScanCode==EOggDown) {
		    if (aKeyEvent.iScanCode==EOggUp && iApp->iVolume<100) iApp->iVolume+= 5; 
		    if (aKeyEvent.iScanCode==EOggDown && iApp->iVolume>0) iApp->iVolume-= 5;
		    iApp->iOggPlayback->SetVolume(iApp->iVolume);
		    UpdateVolume();
		    return EKeyWasConsumed;
      }
    }
  } else if (iListBox[iMode]) {
    // move current index in the list box
    if (code==0 && aType==EEventKeyDown) {
      TInt idx= iListBox[iMode]->CurrentItemIndex();
      if (aKeyEvent.iScanCode==EOggUp && idx>0) {
        SelectItem(idx-1);
        return EKeyWasConsumed;
      }
      if (aKeyEvent.iScanCode==EOggDown) {
        SelectItem(idx+1);
        return EKeyWasConsumed;
      }
    }
  }  

  return EKeyWasNotConsumed;

#else  // defined MOTOROLA
  
   enum EOggKeys 
   { EOggConfirm = EQuartzKeyConfirm,
     EOggUp      = EQuartzKeyFourWayUp,
     EOggDown    = EQuartzKeyFourWayDown,
     EOggLeft    = EQuartzKeyFourWayLeft,
     EOggRight   = EQuartzKeyFourWayRight,
     EOggButton1 = EKeyApplicationA,
     EOggButton2 = EKeyApplicationB
   };
  
   TKeyResponse resp = EKeyWasNotConsumed;
   TInt code         = aKeyEvent.iCode;
   TInt modifiers    = aKeyEvent.iModifiers & EAllStdModifiers;
   TInt iHotkey      = ((COggPlayAppUi *) iEikonEnv->EikAppUi())->iHotkey;

   if ( aType == EEventKey )
   {
      if ( iHotkey && 
           code      == keycodes[iHotkey-1].code && 
           modifiers == keycodes[iHotkey-1].mask )
      {
         iApp->ActivateOggViewL();
         resp = EKeyWasConsumed;
      }
      else
      {
         switch ( code )
         {
         case EOggConfirm:
            if ( iApp->iOggPlayback->State() == CAbsPlayback::EPlaying ||
                 iApp->iOggPlayback->State() == CAbsPlayback::EPaused )
            {
               iApp->HandleCommandL(EOggStop);
            }
            else
            {
               iApp->HandleCommandL(EOggPlay);
            }
            resp = EKeyWasConsumed;
            break;

         case EOggUp:
            if ( iApp->iOggPlayback->State() != CAbsPlayback::EPlaying &&
                 iApp->iOggPlayback->State() != CAbsPlayback::EPaused )
            {
               iApp->HandleCommandL(EOggPlay);
            }
            resp = EKeyWasConsumed;
            break;

         case EOggDown:
            if ( iApp->iOggPlayback->State() == CAbsPlayback::EPlaying ||
                 iApp->iOggPlayback->State() == CAbsPlayback::EPaused )
            {
               iApp->HandleCommandL(EOggStop);
            }
            resp = EKeyWasConsumed;
            break;

         case EOggLeft:
            iApp->PreviousSong();
            resp = EKeyWasConsumed;
            break;

         case EOggRight:
            iApp->NextSong();
            resp = EKeyWasConsumed;
            break;

         case EOggButton1:
            if (iTitle[iMode]) iTitle[iMode]->ScrollNow();
            if (iAlbum[iMode]) iAlbum[iMode]->ScrollNow();
            if (iArtist[iMode]) iArtist[iMode]->ScrollNow();
            if (iGenre[iMode]) iGenre[iMode]->ScrollNow();
            resp = EKeyWasConsumed;
            break;

         case EOggButton2:
            iApp->LaunchPopupMenuL(R_POPUP_MENU,TPoint(100,100),EPopupTargetTopLeft);
            resp = EKeyWasConsumed;
            break;

         default:
            break;
         }
      }
   }
   return ( resp );

#endif

#endif  // UIQ keyhandling
}


void
COggPlayAppView::OggControlEvent(COggControl* c, TInt aEventType, TInt /*aValue*/)
{
  if (c==iListBox[iMode]) {
    if (aEventType==1) {
      iSelected= iListBox[iMode]->CurrentItemIndex();
      UpdateControls(); // the current item index changed
    }
    if (aEventType==2) iApp->HandleCommandL(EOggPlay); // an item was selected (by tipping on it)
  }

  if (c==iPlayButton[iMode]) {
    if (iApp->iOggPlayback->State()==CAbsPlayback::EPaused)
      iApp->HandleCommandL(EOggPauseResume);
    else
      iApp->HandleCommandL(EOggPlay);
  }
  if (c==iPauseButton[iMode]) iApp->HandleCommandL(EOggPauseResume);
  if (c==iStopButton[iMode]) iApp->HandleCommandL(EOggStop);
  if (c==iNextSongButton[iMode]) iApp->NextSong();
  if (c==iPrevSongButton[iMode]) iApp->PreviousSong();
  if (c==iRepeatButton[iMode]) iApp->ToggleRepeat();
  if (c==iRandomButton[iMode]) iApp->ToggleRandom();
}

void 
COggPlayAppView::OggPointerEvent(COggControl* c, const TPointerEvent& p)
{
  if (c==iPosition[iMode]) {
    if (p.iType==TPointerEvent::EButton1Down || p.iType==TPointerEvent::EDrag) {
      iPosChanged= iPosition[iMode]->CurrentValue();
    }
    if (p.iType==TPointerEvent::EButton1Up) {
      iApp->iOggPlayback->SetPosition(TInt64(iPosChanged));
      iPosChanged= -1;
    }
  }

  if (c==iVolume[iMode]) {
    iApp->iVolume= iVolume[iMode]->CurrentValue();
    iApp->iOggPlayback->SetVolume(iApp->iVolume);
  }

  if (c==iAnalyzer[iMode]) {
    iApp->iAnalyzerState= iAnalyzer[iMode]->Style();
  }
}

void COggPlayAppView::AddControlToFocusList(COggControl* c) {
  COggControl* currentitem = iFocusControlsIter; 
  if (currentitem) {
    iFocusControlsPresent=ETrue;
    c->iDlink.Enque(&currentitem->iDlink);
    iFocusControlsIter.Set(*c);
  } else {
    iFocusControlsHeader.AddFirst(*c);
    iFocusControlsIter.SetToFirst(); 
  }
}