C++ CGUIMessage::GetSenderId方法代码示例

bool CGUIWindowLoginScreen::OnMessage(CGUIMessage& message)
{
  switch ( message.GetMessage() )
  {
  case GUI_MSG_WINDOW_DEINIT:
    {
      m_vecItems->Clear();
    }
    break;

  case GUI_MSG_CLICKED:
    {
      int iControl = message.GetSenderId();
      if (iControl == CONTROL_BIG_LIST)
      {
        int iAction = message.GetParam1();

        // iItem is checked for validity inside these routines
        if (iAction == ACTION_CONTEXT_MENU || iAction == ACTION_MOUSE_RIGHT_CLICK)
        {
          int iItem = m_viewControl.GetSelectedItem();
          bool bResult = OnPopupMenu(m_viewControl.GetSelectedItem());
          if (bResult)
          {
            Update();
            CGUIMessage msg(GUI_MSG_ITEM_SELECT,GetID(),CONTROL_BIG_LIST,iItem);
            OnMessage(msg);
          }

          return bResult;
        }
        else if (iAction == ACTION_SELECT_ITEM || iAction == ACTION_MOUSE_LEFT_CLICK)
        {
          int iItem = m_viewControl.GetSelectedItem();
          bool bCanceled;
          bool bOkay = g_passwordManager.IsProfileLockUnlocked(iItem, bCanceled);

          if (bOkay)
          {
            LoadProfile(iItem);
          }
          else
          {
            if (!bCanceled && iItem != 0)
              CGUIDialogOK::ShowAndGetInput(20068,20117,20022,20022);
          }
        }
      }
    }
    break;
    case GUI_MSG_SETFOCUS:
    {
      if (m_viewControl.HasControl(message.GetControlId()) && m_viewControl.GetCurrentControl() != message.GetControlId())
      {
        m_viewControl.SetFocused();
        return true;
      }
    }
    default:
    break;

  }

  return CGUIWindow::OnMessage(message);
}

bool CGUIMediaWindow::OnMessage(CGUIMessage& message)
{
  switch ( message.GetMessage() )
  {
  case GUI_MSG_WINDOW_DEINIT:
    {
      m_iSelectedItem = m_viewControl.GetSelectedItem();
      m_iLastControl = GetFocusedControlID();
      CGUIWindow::OnMessage(message);
      CGUIDialogContextMenu* pDlg = (CGUIDialogContextMenu*)g_windowManager.GetWindow(WINDOW_DIALOG_CONTEXT_MENU);
      if (pDlg && pDlg->IsActive())
        pDlg->Close();
      
      // Call ClearFileItems() after our window has finished doing any WindowClose
      // animations
      ClearFileItems();
      return true;
    }
    break;

  case GUI_MSG_CLICKED:
    {
      int iControl = message.GetSenderId();
      if (iControl == CONTROL_BTNVIEWASICONS)
      {
        // view as control could be a select button
        int viewMode = 0;
        const CGUIControl *control = GetControl(CONTROL_BTNVIEWASICONS);
        if (control && control->GetControlType() != CGUIControl::GUICONTROL_BUTTON)
        {
          CGUIMessage msg(GUI_MSG_ITEM_SELECTED, GetID(), CONTROL_BTNVIEWASICONS);
          OnMessage(msg);
          viewMode = m_viewControl.GetViewModeNumber(msg.GetParam1());
        }
        else
          viewMode = m_viewControl.GetNextViewMode();

        if (m_guiState.get())
          m_guiState->SaveViewAsControl(viewMode);

        UpdateButtons();
        return true;
      }
      else if (iControl == CONTROL_BTNSORTASC) // sort asc
      {
        if (m_guiState.get())
          m_guiState->SetNextSortOrder();
        UpdateFileList();
        return true;
      }
      else if (iControl == CONTROL_BTNSORTBY) // sort by
      {
        if (m_guiState.get())
          m_guiState->SetNextSortMethod();
        UpdateFileList();
        return true;
      }
      else if (iControl == CONTROL_BTN_FILTER)
      {
        if (GetControl(iControl)->GetControlType() == CGUIControl::GUICONTROL_EDIT)
        { // filter updated
          CGUIMessage selected(GUI_MSG_ITEM_SELECTED, GetID(), CONTROL_BTN_FILTER);
          OnMessage(selected);
          OnFilterItems(selected.GetLabel());
          return true;
        }
        if (GetProperty("filter").empty())
        {
          CStdString filter = GetProperty("filter").asString();
          CGUIDialogKeyboard::ShowAndGetFilter(filter, false);
          SetProperty("filter", filter);
        }
        else
          OnFilterItems("");
        return true;
      }
      else if (m_viewControl.HasControl(iControl))  // list/thumb control
      {
        int iItem = m_viewControl.GetSelectedItem();
        int iAction = message.GetParam1();
        if (iItem < 0) break;
        if (iAction == ACTION_SELECT_ITEM || iAction == ACTION_MOUSE_LEFT_CLICK)
        {
          OnSelect(iItem);
        }
        else if (iAction == ACTION_CONTEXT_MENU || iAction == ACTION_MOUSE_RIGHT_CLICK)
        {
          OnPopupMenu(iItem);
          return true;
        }
      }
    }
    break;

  case GUI_MSG_SETFOCUS:
    {
      if (m_viewControl.HasControl(message.GetControlId()) && m_viewControl.GetCurrentControl() != message.GetControlId())
      {
        m_viewControl.SetFocused();
        return true;
//.........这里部分代码省略.........

bool CGUIWindowMusicInfo::OnMessage(CGUIMessage& message)
{
  switch ( message.GetMessage() )
  {
  case GUI_MSG_WINDOW_DEINIT:
    {
      CGUIMessage message(GUI_MSG_LABEL_RESET, GetID(), CONTROL_LIST);
      OnMessage(message);
      m_albumSongs->Clear();
    }
    break;

  case GUI_MSG_WINDOW_INIT:
    {
      CGUIDialog::OnMessage(message);
      m_bViewReview = true;
      m_bRefresh = false;
      if (g_guiSettings.GetBool("network.enableinternet"))
        RefreshThumb();
      Update();
      return true;
    }
    break;


  case GUI_MSG_CLICKED:
    {
      int iControl = message.GetSenderId();
      if (iControl == CONTROL_BTN_REFRESH)
      {
        CUtil::ClearCache();

        m_bRefresh = true;
        Close();
        return true;
      }
      else if (iControl == CONTROL_BTN_GET_THUMB)
      {
        OnGetThumb();
      }
      else if (iControl == CONTROL_BTN_TRACKS)
      {
        m_bViewReview = !m_bViewReview;
        Update();
      }
      else if (iControl == CONTROL_LIST)
      {
        int iAction = message.GetParam1();
        if (ACTION_SELECT_ITEM == iAction && m_bArtistInfo)
        {
          CGUIMessage msg(GUI_MSG_ITEM_SELECTED, GetID(), iControl);
          g_graphicsContext.SendMessage(msg);
          int iItem = msg.GetParam1();
          if (iItem < 0 || iItem >= (int)m_albumSongs->Size())
            break;
          OnSearch(m_albumSongs->Get(iItem));
          return true;
        }
      }
      else if (iControl == CONTROL_BTN_LASTFM)
      {
        CStdString strArtist = m_album.strArtist;
        CUtil::URLEncode(strArtist);
        CStdString strLink;
        strLink.Format("lastfm://artist/%s/similarartists", strArtist.c_str());
        CURL url(strLink);
        CLastFmManager::GetInstance()->ChangeStation(url);
      }
    }
    break;
  }

  return CGUIDialog::OnMessage(message);
}

bool CGUIDialogSongInfo::OnMessage(CGUIMessage& message)
{
  switch (message.GetMessage())
  {
  case GUI_MSG_WINDOW_DEINIT:
    {
      if (!m_cancelled && m_startRating != m_song->GetMusicInfoTag()->GetRating())
      {
        CMusicDatabase db;
        if (db.Open())      // OpenForWrite() ?
        {
          db.SetSongRating(m_song->m_strPath, m_song->GetMusicInfoTag()->GetRating());
          db.Close();
        }
        m_needsUpdate = true;
      }
      else
      { // cancelled - reset the song rating
        SetRating(m_startRating);
        m_needsUpdate = false;
      }
      break;
    }
  case GUI_MSG_WINDOW_INIT:
    m_cancelled = false;
    break;

  case GUI_MSG_CLICKED:
    {
      int iControl = message.GetSenderId();
      if (iControl == CONTROL_CANCEL)
      {
        m_cancelled = true;
        Close();
        return true;
      }
      else if (iControl == CONTROL_OK)
      {
        m_cancelled = false;
        Close();
        return true;
      }
      else if (iControl == CONTROL_ALBUMINFO)
      {
        CGUIWindowMusicBase *window = (CGUIWindowMusicBase *)m_gWindowManager.GetWindow(m_gWindowManager.GetActiveWindow());
        if (window)
        {
          CFileItem item(*m_song);
          CUtil::GetDirectory(m_song->m_strPath,item.m_strPath);
          item.m_bIsFolder = true;
          window->OnInfo(&item, true);
        }
        return true;
      }
      else if (iControl == CONTROL_GETTHUMB)
      {
        OnGetThumb();
        return true;
      }
    }
    break;
  }

  return CGUIDialog::OnMessage(message);
}

bool CGUIWindowPVRGuide::OnMessage(CGUIMessage& message)
{
  bool bReturn = false;
  switch (message.GetMessage())
  {
    case GUI_MSG_CLICKED:
    {
      if (message.GetSenderId() == m_viewControl.GetCurrentControl())
      {
        int iItem = m_viewControl.GetSelectedItem();
        if (iItem >= 0 && iItem < m_vecItems->Size())
        {
          CFileItemPtr pItem = m_vecItems->Get(iItem);
          /* process actions */
          switch (message.GetParam1())
          {
            case ACTION_SELECT_ITEM:
            case ACTION_MOUSE_LEFT_CLICK:
              switch(CSettings::GetInstance().GetInt(CSettings::SETTING_EPG_SELECTACTION))
              {
                case EPG_SELECT_ACTION_CONTEXT_MENU:
                  OnPopupMenu(iItem);
                  bReturn = true;
                  break;
                case EPG_SELECT_ACTION_SWITCH:
                  ActionPlayEpg(pItem.get(), false);
                  bReturn = true;
                  break;
                case EPG_SELECT_ACTION_PLAY_RECORDING:
                  ActionPlayEpg(pItem.get(), true);
                  bReturn = true;
                  break;
                case EPG_SELECT_ACTION_INFO:
                  ShowEPGInfo(pItem.get());
                  bReturn = true;
                  break;
                case EPG_SELECT_ACTION_RECORD:
                  ActionToggleTimer(pItem.get());
                  bReturn = true;
                  break;
              }
              break;
            case ACTION_SHOW_INFO:
              ShowEPGInfo(pItem.get());
              bReturn = true;
              break;
            case ACTION_PLAY:
              ActionPlayEpg(pItem.get(), true);
              bReturn = true;
              break;
            case ACTION_RECORD:
              ActionToggleTimer(pItem.get());
              bReturn = true;
              break;
            case ACTION_PVR_SHOW_TIMER_RULE:
              ActionShowTimerRule(pItem.get());
              bReturn = true;
              break;
            case ACTION_CONTEXT_MENU:
            case ACTION_MOUSE_RIGHT_CLICK:
              OnPopupMenu(iItem);
              bReturn = true;
              break;
          }
        }
        else if (iItem == -1)
        {
          /* process actions */
          switch (message.GetParam1())
          {
            case ACTION_SELECT_ITEM:
            case ACTION_MOUSE_LEFT_CLICK:
            case ACTION_PLAY:
            {
              // EPG "gap" selected => switch to associated channel.
              CGUIEPGGridContainer *epgGridContainer = GetGridControl();
              if (epgGridContainer)
              {
                CFileItemPtr item(epgGridContainer->GetSelectedChannelItem());
                if (item)
                {
                  ActionPlayEpg(item.get(), false);
                  bReturn = true;
                }
              }
              break;
            }
          }
        }
      }
      else if (message.GetSenderId() == CONTROL_BTNVIEWASICONS)
      {
        // let's set the view mode first before update
        CGUIWindowPVRBase::OnMessage(message);
        Refresh(true);
        bReturn = true;
      }
      break;
    }
    case GUI_MSG_CHANGE_VIEW_MODE:
//.........这里部分代码省略.........

bool CGUIControlGroup::OnMessage(CGUIMessage& message)
{
  switch (message.GetMessage() )
  {
  case GUI_MSG_ITEM_SELECT:
    {
      if (message.GetControlId() == GetID())
      {
        m_focusedControl = message.GetParam1();
        return true;
      }
      break;
    }
  case GUI_MSG_ITEM_SELECTED:
    {
      if (message.GetControlId() == GetID())
      {
        message.SetParam1(m_focusedControl);
        return true;
      }
      break;
    }
  case GUI_MSG_FOCUSED:
    { // a control has been focused
      m_focusedControl = message.GetControlId();
      SetFocus(true);
      // tell our parent thatwe have focus
      if (m_parentControl)
        m_parentControl->OnMessage(message);
      return true;
    }
  case GUI_MSG_SETFOCUS:
    {
      // first try our last focused control...
      if (!m_defaultAlways && m_focusedControl)
      {
        CGUIControl *control = GetFirstFocusableControl(m_focusedControl);
        if (control)
        {
          CGUIMessage msg(GUI_MSG_SETFOCUS, GetParentID(), control->GetID());
          return control->OnMessage(msg);
        }
      }
      // ok, no previously focused control, try the default control first
      if (m_defaultControl)
      {
        CGUIControl *control = GetFirstFocusableControl(m_defaultControl);
        if (control)
        {
          CGUIMessage msg(GUI_MSG_SETFOCUS, GetParentID(), control->GetID());
          return control->OnMessage(msg);
        }
      }
      // no success with the default control, so just find one to focus
      CGUIControl *control = GetFirstFocusableControl(0);
      if (control)
      {
        CGUIMessage msg(GUI_MSG_SETFOCUS, GetParentID(), control->GetID());
        return control->OnMessage(msg);
      }
      // unsuccessful
      return false;
      break;
    }
  case GUI_MSG_LOSTFOCUS:
    {
      // set all subcontrols unfocused
      for (iControls it = m_children.begin(); it != m_children.end(); ++it)
        (*it)->SetFocus(false);
      if (!HasID(message.GetParam1()))
      { // we don't have the new id, so unfocus
        SetFocus(false);
        if (m_parentControl)
          m_parentControl->OnMessage(message);
      }
      return true;
    }
    break;
  case GUI_MSG_PAGE_CHANGE:
  case GUI_MSG_REFRESH_THUMBS:
  case GUI_MSG_REFRESH_LIST:
  case GUI_MSG_WINDOW_RESIZE:
    { // send to all child controls (make sure the target is the control id)
      for (iControls it = m_children.begin(); it != m_children.end(); ++it)
      {
        CGUIMessage msg(message.GetMessage(), message.GetSenderId(), (*it)->GetID(), message.GetParam1());
        (*it)->OnMessage(msg);
      }
      return true;
    }
    break;
  }
  bool handled(false);
  //not intented for any specific control, send to all childs and our base handler.
  if (message.GetControlId() == 0)
  {
    for (iControls it = m_children.begin();it != m_children.end(); ++it)
    {
      CGUIControl* control = *it;
      handled |= control->OnMessage(message);
//.........这里部分代码省略.........

bool CGUIWindowPVRGuide::OnMessage(CGUIMessage& message)
{
  if (!IsValidMessage(message))
    return false;
  
  bool bReturn = false;
  switch (message.GetMessage())
  {
    case GUI_MSG_CLICKED:
    {
      if (message.GetSenderId() == m_viewControl.GetCurrentControl())
      {
        int iItem = m_viewControl.GetSelectedItem();
        if (iItem >= 0 && iItem < m_vecItems->Size())
        {
          CFileItemPtr pItem = m_vecItems->Get(iItem);
          /* process actions */
          switch (message.GetParam1())
          {
            case ACTION_SELECT_ITEM:
            case ACTION_MOUSE_LEFT_CLICK:
              switch(CSettings::Get().GetInt(CSettings::SETTING_EPG_SELECTACTION))
              {
                case EPG_SELECT_ACTION_CONTEXT_MENU:
                  OnPopupMenu(iItem);
                  bReturn = true;
                  break;
                case EPG_SELECT_ACTION_SWITCH:
                  ActionPlayEpg(pItem.get(), false);
                  bReturn = true;
                  break;
                case EPG_SELECT_ACTION_PLAY_RECORDING:
                  ActionPlayEpg(pItem.get(), true);
                  bReturn = true;
                  break;
                case EPG_SELECT_ACTION_INFO:
                  ShowEPGInfo(pItem.get());
                  bReturn = true;
                  break;
                case EPG_SELECT_ACTION_RECORD:
                  ActionRecord(pItem.get());
                  bReturn = true;
                  break;
              }
              break;
            case ACTION_SHOW_INFO:
              ShowEPGInfo(pItem.get());
              bReturn = true;
              break;
            case ACTION_PLAY:
              ActionPlayEpg(pItem.get(), true);
              bReturn = true;
              break;
            case ACTION_RECORD:
              ActionRecord(pItem.get());
              bReturn = true;
              break;
            case ACTION_CONTEXT_MENU:
            case ACTION_MOUSE_RIGHT_CLICK:
              OnPopupMenu(iItem);
              bReturn = true;
              break;
          }
        }
      }
      else if (message.GetSenderId() == CONTROL_BTNVIEWASICONS)
      {
        // let's set the view mode first before update
        CGUIWindowPVRBase::OnMessage(message);
        Refresh(true);
        bReturn = true;
      }
      break;
    }
    case GUI_MSG_CHANGE_VIEW_MODE:
    {
      // let's set the view mode first before update
      CGUIWindowPVRBase::OnMessage(message);
      m_nextUpdateTimeout.SetExpired();
      Refresh(true);
      bReturn = true;
      break;
    }
    case GUI_MSG_REFRESH_LIST:
      switch(message.GetParam1())
      {
        case ObservableMessageChannelGroup:
        case ObservableMessageEpg:
        case ObservableMessageEpgContainer:
        {
          m_bUpdateRequired = true;
          // do not allow more than MAX_UPDATE_FREQUENCY updates
          if (IsActive() && m_nextUpdateTimeout.IsTimePast())
          {
            Refresh(true);
            m_nextUpdateTimeout.Set(MAX_UPDATE_FREQUENCY);
          }
          bReturn = true;
          break;
        }
//.........这里部分代码省略.........

bool CGUIDialogAddonInfo::OnMessage(CGUIMessage& message)
{
  switch ( message.GetMessage() )
  {
  case GUI_MSG_WINDOW_DEINIT:
    {
      if (m_jobid)
        CJobManager::GetInstance().CancelJob(m_jobid);
    }
    break;

  case GUI_MSG_CLICKED:
    {
      int iControl = message.GetSenderId();
      if (iControl == CONTROL_BTN_UPDATE)
      {
        OnUpdate();
        return true;
      }
      if (iControl == CONTROL_BTN_INSTALL)
      {
        if (m_localAddon)
        {
          if (m_localAddon->Type() == ADDON_ADSPDLL && CServiceBroker::GetADSP().IsProcessing())
          {
            CGUIDialogOK::ShowAndGetInput(24137, 0, 24138, 0);
            return true;
          }
        }

        if (!m_localAddon)
        {
          OnInstall();
          return true;
        }
        else
        {
          OnUninstall();
          return true;
        }
      }
      else if (iControl == CONTROL_BTN_SELECT)
      {
        OnSelect();
        return true;
      }
      else if (iControl == CONTROL_BTN_ENABLE)
      {
        //FIXME: should be moved to somewhere appropriate (e.g CAddonMgs::CanAddonBeDisabled or IsInUse) and button should be disabled
        if (m_localAddon)
        {
          if (m_localAddon->Type() == ADDON_ADSPDLL && CServiceBroker::GetADSP().IsProcessing())
          {
            CGUIDialogOK::ShowAndGetInput(24137, 0, 24138, 0);
            return true;
          }
        }

        OnEnableDisable();
        return true;
      }
      else if (iControl == CONTROL_BTN_SETTINGS)
      {
        OnSettings();
        return true;
      }
      else if (iControl == CONTROL_BTN_CHANGELOG)
      {
        OnChangeLog();
        return true;
      }
      else if (iControl == CONTROL_BTN_AUTOUPDATE)
      {
        OnToggleAutoUpdates();
        return true;
      }
    }
    break;
default:
    break;
  }

  return CGUIDialog::OnMessage(message);
}

bool CGUIWindowVideoFiles::OnMessage(CGUIMessage& message)
{
  switch ( message.GetMessage() )
  {
  case GUI_MSG_WINDOW_INIT:
    {
      // check for a passed destination path
      CStdString strDestination = message.GetStringParam();
      if (!strDestination.IsEmpty())
      {
        message.SetStringParam("");
        g_stSettings.m_iVideoStartWindow = GetID();
        CLog::Log(LOGINFO, "Attempting to quickpath to: %s", strDestination.c_str());
        // reset directory path, as we have effectively cleared it here
        m_history.ClearPathHistory();
      }

      // is this the first time accessing this window?
      // a quickpath overrides the a default parameter
      if (m_vecItems->m_strPath == "?" && strDestination.IsEmpty())
      {
        m_vecItems->m_strPath = strDestination = g_settings.m_defaultVideoSource;
        CLog::Log(LOGINFO, "Attempting to default to: %s", strDestination.c_str());
      }

      // try to open the destination path
      if (!strDestination.IsEmpty())
      {
        // open root
        if (strDestination.Equals("$ROOT"))
        {
          m_vecItems->m_strPath = "";
          CLog::Log(LOGINFO, "  Success! Opening root listing.");
        }
        // open playlists location
        else if (strDestination.Equals("$PLAYLISTS"))
        {
          m_vecItems->m_strPath = "special://videoplaylists/";
          CLog::Log(LOGINFO, "  Success! Opening destination path: %s", m_vecItems->m_strPath.c_str());
        }
        else
        {
          // default parameters if the jump fails
          m_vecItems->m_strPath = "";

          bool bIsSourceName = false;

          SetupShares();
          VECSOURCES shares;
          m_rootDir.GetSources(shares);
          int iIndex = CUtil::GetMatchingSource(strDestination, shares, bIsSourceName);
          if (iIndex > -1)
          {
            bool bDoStuff = true;
            if (iIndex < (int)shares.size() && shares[iIndex].m_iHasLock == 2)
            {
              CFileItem item(shares[iIndex]);
              if (!g_passwordManager.IsItemUnlocked(&item,"video"))
              {
                m_vecItems->m_strPath = ""; // no u don't
                bDoStuff = false;
                CLog::Log(LOGINFO, "  Failure! Failed to unlock destination path: %s", strDestination.c_str());
              }
            }
            // set current directory to matching share
            if (bDoStuff)
            {
              if (bIsSourceName)
                m_vecItems->m_strPath=shares[iIndex].strPath;
              else
                m_vecItems->m_strPath=strDestination;
              CLog::Log(LOGINFO, "  Success! Opened destination path: %s", strDestination.c_str());
            }
          }
          else
          {
            CLog::Log(LOGERROR, "  Failed! Destination parameter (%s) does not match a valid source!", strDestination.c_str());
          }
        }

        // check for network up
        if (CUtil::IsRemote(m_vecItems->m_strPath) && !WaitForNetwork())
          m_vecItems->m_strPath.Empty();

        SetHistoryForPath(m_vecItems->m_strPath);
      }

      return CGUIWindowVideoBase::OnMessage(message);
    }
    break;

  case GUI_MSG_CLICKED:
    {
      int iControl = message.GetSenderId();
      //if (iControl == CONTROL_BTNSCAN)
      //{
      //  OnScan();
     // }
      /*else*/ if (iControl == CONTROL_STACK)
      {
//.........这里部分代码省略.........

bool CGUIWindowFullScreen::OnMessage(CGUIMessage& message)
{
  switch (message.GetMessage())
  {
  case GUI_MSG_WINDOW_INIT:
    {
      // check whether we've come back here from a window during which time we've actually
      // stopped playing videos
      if (message.GetParam1() == WINDOW_INVALID && !g_application.IsPlayingVideo())
      { // why are we here if nothing is playing???
        g_windowManager.PreviousWindow();
        return true;
      }
      g_infoManager.SetShowInfo(false);
      g_infoManager.SetShowCodec(false);
      m_bShowCurrentTime = false;
      m_bGroupSelectShow = false;
      g_infoManager.SetDisplayAfterSeek(0); // Make sure display after seek is off.

      // switch resolution
      g_graphicsContext.SetFullScreenVideo(true);

#ifdef HAS_VIDEO_PLAYBACK
      // make sure renderer is uptospeed
      g_renderManager.Update(false);
#endif
      // now call the base class to load our windows
      CGUIWindow::OnMessage(message);

      m_bShowViewModeInfo = false;

      if (CUtil::IsUsingTTFSubtitles())
      {
        CSingleLock lock (m_fontLock);

        CStdString fontPath = "special://xbmc/media/Fonts/";
        fontPath += g_guiSettings.GetString("subtitles.font");

        // We scale based on PAL4x3 - this at least ensures all sizing is constant across resolutions.
        RESOLUTION_INFO pal(720, 576, 0);
        CGUIFont *subFont = g_fontManager.LoadTTF("__subtitle__", fontPath, color[g_guiSettings.GetInt("subtitles.color")], 0, g_guiSettings.GetInt("subtitles.height"), g_guiSettings.GetInt("subtitles.style"), false, 1.0f, 1.0f, &pal, true);
        CGUIFont *borderFont = g_fontManager.LoadTTF("__subtitleborder__", fontPath, 0xFF000000, 0, g_guiSettings.GetInt("subtitles.height"), g_guiSettings.GetInt("subtitles.style"), true, 1.0f, 1.0f, &pal, true);
        if (!subFont || !borderFont)
          CLog::Log(LOGERROR, "CGUIWindowFullScreen::OnMessage(WINDOW_INIT) - Unable to load subtitle font");
        else
          m_subsLayout = new CGUITextLayout(subFont, true, 0, borderFont);
      }
      else
        m_subsLayout = NULL;

      return true;
    }
  case GUI_MSG_WINDOW_DEINIT:
    {
      CGUIWindow::OnMessage(message);

      CGUIDialog *pDialog = (CGUIDialog *)g_windowManager.GetWindow(WINDOW_DIALOG_OSD_TELETEXT);
      if (pDialog) pDialog->Close(true);
      CGUIDialogSlider *slider = (CGUIDialogSlider *)g_windowManager.GetWindow(WINDOW_DIALOG_SLIDER);
      if (slider) slider->Close(true);
      pDialog = (CGUIDialog *)g_windowManager.GetWindow(WINDOW_DIALOG_VIDEO_OSD);
      if (pDialog) pDialog->Close(true);
      pDialog = (CGUIDialog *)g_windowManager.GetWindow(WINDOW_DIALOG_FULLSCREEN_INFO);
      if (pDialog) pDialog->Close(true);
      pDialog = (CGUIDialog *)g_windowManager.GetWindow(WINDOW_DIALOG_PVR_OSD_CHANNELS);
      if (pDialog) pDialog->Close(true);
      pDialog = (CGUIDialog *)g_windowManager.GetWindow(WINDOW_DIALOG_PVR_OSD_GUIDE);
      if (pDialog) pDialog->Close(true);
      pDialog = (CGUIDialog *)g_windowManager.GetWindow(WINDOW_DIALOG_PVR_OSD_DIRECTOR);
      if (pDialog) pDialog->Close(true);
      pDialog = (CGUIDialog *)g_windowManager.GetWindow(WINDOW_DIALOG_PVR_OSD_CUTTER);
      if (pDialog) pDialog->Close(true);

      FreeResources(true);

      CSingleLock lock (g_graphicsContext);
      g_graphicsContext.SetFullScreenVideo(false);
      lock.Leave();

#ifdef HAS_VIDEO_PLAYBACK
      // make sure renderer is uptospeed
      g_renderManager.Update(false);
#endif

      CSingleLock lockFont(m_fontLock);
      if (m_subsLayout)
      {
        g_fontManager.Unload("__subtitle__");
        g_fontManager.Unload("__subtitleborder__");
        delete m_subsLayout;
        m_subsLayout = NULL;
      }

      return true;
    }
  case GUI_MSG_CLICKED:
    {
      unsigned int iControl = message.GetSenderId();
      if (iControl == CONTROL_GROUP_CHOOSER && g_PVRManager.IsStarted())
      {
//.........这里部分代码省略.........

bool CGUIWindowMusicPlaylistEditor::OnMessage(CGUIMessage& message)
{
  switch ( message.GetMessage() )
  {
  case GUI_MSG_WINDOW_DEINIT:
    if (m_thumbLoader.IsLoading())
      m_thumbLoader.StopThread();
    if (m_playlistThumbLoader.IsLoading())
      m_playlistThumbLoader.StopThread();
    CGUIWindowMusicBase::OnMessage(message);
    return true;

  case GUI_MSG_WINDOW_INIT:
    {
      if (m_vecItems->m_strPath == "?")
        m_vecItems->m_strPath.Empty();
      CGUIWindowMusicBase::OnMessage(message);

      if (message.GetNumStringParams())
        LoadPlaylist(message.GetStringParam());

      return true;
    }
    break;

  case GUI_MSG_NOTIFY_ALL:
    {
      if (message.GetParam1()==GUI_MSG_REMOVED_MEDIA)
        DeleteRemoveableMediaDirectoryCache();
    }
    break;

  case GUI_MSG_CLICKED:
    {
      int control = message.GetSenderId();
      if (control == CONTROL_PLAYLIST)
      {
        int item = GetCurrentPlaylistItem();
        int action = message.GetParam1();
        if (action == ACTION_CONTEXT_MENU || action == ACTION_MOUSE_RIGHT_CLICK)
          OnPlaylistContext();
        else if (action == ACTION_QUEUE_ITEM || action == ACTION_DELETE_ITEM || action == ACTION_MOUSE_MIDDLE_CLICK)
          OnDeletePlaylistItem(item);
        else if (action == ACTION_MOVE_ITEM_UP)
          OnMovePlaylistItem(item, -1);
        else if (action == ACTION_MOVE_ITEM_DOWN)
          OnMovePlaylistItem(item, 1);
        return true;
      }
      else if (control == CONTROL_LOAD_PLAYLIST)
      { // load a playlist
        OnLoadPlaylist();
        return true;
      }
      else if (control == CONTROL_SAVE_PLAYLIST)
      { // save the playlist
        OnSavePlaylist();
        return true;
      }
      else if (control == CONTROL_CLEAR_PLAYLIST)
      { // clear the playlist
        ClearPlaylist();
        return true;
      }
    }
    break;
  }

  return CGUIWindowMusicBase::OnMessage(message);
}

bool CGUIWindowMusicSongs::OnMessage(CGUIMessage& message)
{
  switch ( message.GetMessage() )
  {
  case GUI_MSG_WINDOW_DEINIT:
    if (m_thumbLoader.IsLoading())
      m_thumbLoader.StopThread();
    break;
  case GUI_MSG_WINDOW_INIT:
    {
      // removed the start window check from files view
      // the window translator does it by using a virtual window id (5)

      // is this the first time the window is opened?
      if (m_vecItems->GetPath() == "?" && message.GetStringParam().empty())
        message.SetStringParam(CMediaSourceSettings::Get().GetDefaultSource("music"));

      return CGUIWindowMusicBase::OnMessage(message);
    }
    break;

  case GUI_MSG_DIRECTORY_SCANNED:
    {
      CFileItem directory(message.GetStringParam(), true);

      // Only update thumb on a local drive
      if (directory.IsHD())
      {
        std::string strParent;
        URIUtils::GetParentPath(directory.GetPath(), strParent);
        if (directory.GetPath() == m_vecItems->GetPath() || strParent == m_vecItems->GetPath())
          Refresh();
      }
    }
    break;

  case GUI_MSG_NOTIFY_ALL:
    {
      if (message.GetParam1()==GUI_MSG_REMOVED_MEDIA)
        DeleteRemoveableMediaDirectoryCache();
    }
    break;

  case GUI_MSG_CLICKED:
    {
      int iControl = message.GetSenderId();

      if (iControl == CONTROL_BTNPLAYLISTS)
      {
        if (!m_vecItems->IsPath("special://musicplaylists/"))
          Update("special://musicplaylists/");
      }
      else if (iControl == CONTROL_BTNSCAN)
      {
        OnScan(-1);
      }
      else if (iControl == CONTROL_BTNREC)
      {
        if (g_application.m_pPlayer->IsPlayingAudio() )
        {
          if (g_application.m_pPlayer->CanRecord() )
          {
            bool bIsRecording = g_application.m_pPlayer->IsRecording();
            g_application.m_pPlayer->Record(!bIsRecording);
            UpdateButtons();
          }
        }
      }
      else if (iControl == CONTROL_BTNRIP)
      {
        OnRipCD();
      }
    }
    break;
  }

  return CGUIWindowMusicBase::OnMessage(message);
}

bool CGUIWindowPictures::OnMessage(CGUIMessage& message)
{
  switch ( message.GetMessage() )
  {
  case GUI_MSG_WINDOW_DEINIT:
    {
      if (m_thumbLoader.IsLoading())
        m_thumbLoader.StopThread();

    }
    break;

  case GUI_MSG_WINDOW_INIT:
    {
      // is this the first time accessing this window?
      if (m_vecItems->GetPath() == "?" && message.GetStringParam().empty())
        message.SetStringParam(CMediaSourceSettings::GetInstance().GetDefaultSource("pictures"));

      m_dlgProgress = (CGUIDialogProgress*)g_windowManager.GetWindow(WINDOW_DIALOG_PROGRESS);

      if (!CGUIMediaWindow::OnMessage(message))
        return false;

      return true;
    }
    break;

  case GUI_MSG_CLICKED:
    {
      int iControl = message.GetSenderId();
      if (iControl == CONTROL_BTNSLIDESHOW) // Slide Show
      {
        OnSlideShow();
      }
      else if (iControl == CONTROL_BTNSLIDESHOW_RECURSIVE) // Recursive Slide Show
      {
        OnSlideShowRecursive();
      }
      else if (iControl == CONTROL_SHUFFLE)
      {
        CSettings::GetInstance().ToggleBool(CSettings::SETTING_SLIDESHOW_SHUFFLE);
        CSettings::GetInstance().Save();
      }
      else if (m_viewControl.HasControl(iControl))  // list/thumb control
      {
        int iItem = m_viewControl.GetSelectedItem();
        int iAction = message.GetParam1();

        // iItem is checked for validity inside these routines
        if (iAction == ACTION_DELETE_ITEM)
        {
          // is delete allowed?
          if (CSettings::GetInstance().GetBool(CSettings::SETTING_FILELISTS_ALLOWFILEDELETION))
            OnDeleteItem(iItem);
          else
            return false;
        }
        else if (iAction == ACTION_PLAYER_PLAY)
        {
          ShowPicture(iItem, true);
          return true;
        }
        else if (iAction == ACTION_SHOW_INFO)
        {
          OnItemInfo(iItem);
          return true;
        }
      }
    }
    break;
  }
  return CGUIMediaWindow::OnMessage(message);
}

bool CGUIWindowFileManager::OnMessage(CGUIMessage& message)
{
  switch ( message.GetMessage() )
  {
  case GUI_MSG_NOTIFY_ALL:
    { // Message is received even if window is inactive
      if (message.GetParam1() == GUI_MSG_WINDOW_RESET)
      {
        m_Directory[0]->SetPath("?");
        m_Directory[1]->SetPath("?");
        m_Directory[0]->m_bIsFolder = true;
        m_Directory[1]->m_bIsFolder = true;
        return true;
      }

      //  handle removable media
      if (message.GetParam1() == GUI_MSG_REMOVED_MEDIA)
      {
        for (int i = 0; i < 2; i++)
        {
          if (m_Directory[i]->IsVirtualDirectoryRoot() && IsActive())
          {
            int iItem = GetSelectedItem(i);
            Update(i, m_Directory[i]->GetPath());
            CONTROL_SELECT_ITEM(CONTROL_LEFT_LIST + i, iItem);
          }
          else if (m_Directory[i]->IsRemovable() && !m_rootDir.IsInSource(m_Directory[i]->GetPath()))
          { //
            if (IsActive())
              Update(i, "");
            else
              m_Directory[i]->SetPath("");
          }
        }
        return true;
      }
      else if (message.GetParam1()==GUI_MSG_UPDATE_SOURCES)
      { // State of the sources changed, so update our view
        for (int i = 0; i < 2; i++)
        {
          if (m_Directory[i]->IsVirtualDirectoryRoot() && IsActive())
          {
            int iItem = GetSelectedItem(i);
            Update(i, m_Directory[i]->GetPath());
            CONTROL_SELECT_ITEM(CONTROL_LEFT_LIST + i, iItem);
          }
        }
        return true;
      }
      else if (message.GetParam1()==GUI_MSG_UPDATE && IsActive())
      {
        Refresh();
        return true;
      }
    }
    break;
  case GUI_MSG_PLAYBACK_STARTED:
  case GUI_MSG_PLAYBACK_ENDED:
  case GUI_MSG_PLAYBACK_STOPPED:
  case GUI_MSG_PLAYLIST_CHANGED:
  case GUI_MSG_PLAYLISTPLAYER_STOPPED:
  case GUI_MSG_PLAYLISTPLAYER_STARTED:
  case GUI_MSG_PLAYLISTPLAYER_CHANGED:
    { // send a notify all to all controls on this window
      CGUIMessage msg(GUI_MSG_NOTIFY_ALL, GetID(), 0, GUI_MSG_REFRESH_LIST);
      OnMessage(msg);
      break;
    }
  case GUI_MSG_WINDOW_DEINIT:
    {
      CGUIWindow::OnMessage(message);
      ClearFileItems(0);
      ClearFileItems(1);
      return true;
    }
    break;

  case GUI_MSG_WINDOW_INIT:
    {
      SetInitialPath(message.GetStringParam());
      message.SetStringParam("");

      return CGUIWindow::OnMessage(message);
    }
    break;
  case GUI_MSG_CLICKED:
    {
      int iControl = message.GetSenderId();

      if (iControl == CONTROL_LEFT_LIST || iControl == CONTROL_RIGHT_LIST)  // list/thumb control
      {
        // get selected item
        int list = iControl - CONTROL_LEFT_LIST;
        int iItem = GetSelectedItem(list);
        int iAction = message.GetParam1();

        // iItem is checked for validity inside these routines
        if (iAction == ACTION_HIGHLIGHT_ITEM || iAction == ACTION_MOUSE_LEFT_CLICK)
        {
          OnMark(list, iItem);
//.........这里部分代码省略.........

bool CGUIWindowPVRGuide::IsSelectedList(CGUIMessage &message) const
{
  return ((message.GetSenderId() == CONTROL_LIST_TIMELINE && m_iGuideView == GUIDE_VIEW_TIMELINE) ||
      (message.GetSenderId() == CONTROL_LIST_GUIDE_CHANNEL && m_iGuideView == GUIDE_VIEW_CHANNEL) ||
      (message.GetSenderId() == CONTROL_LIST_GUIDE_NOW_NEXT && (m_iGuideView == GUIDE_VIEW_NOW || m_iGuideView == GUIDE_VIEW_NEXT)));
}