C++ CGUIMessage::GetItem方法代码示例

bool CPlayListPlayer::OnMessage(CGUIMessage &message)
{
  switch (message.GetMessage())
  {
  case GUI_MSG_NOTIFY_ALL:
    if (message.GetParam1() == GUI_MSG_UPDATE_ITEM && message.GetItem())
    {
      // update the items in our playlist(s) if necessary
      for (int i = PLAYLIST_MUSIC; i <= PLAYLIST_VIDEO; i++)
      {
        CPlayList &playlist = GetPlaylist(i);
        CFileItemPtr item = std::dynamic_pointer_cast<CFileItem>(message.GetItem());
        if (item)
          playlist.UpdateItem(item.get());
      }
    }
    break;
  case GUI_MSG_PLAYBACK_STOPPED:
    {
      if (m_iCurrentPlayList != PLAYLIST_NONE && m_bPlaybackStarted)
      {
        CGUIMessage msg(GUI_MSG_PLAYLISTPLAYER_STOPPED, 0, 0, m_iCurrentPlayList, m_iCurrentSong);
        g_windowManager.SendThreadMessage(msg);
        Reset();
        m_iCurrentPlayList = PLAYLIST_NONE;
        return true;
      }
    }
    break;
  }

  return false;
}

bool CPlayListPlayer::OnMessage(CGUIMessage &message)
{
  switch (message.GetMessage())
  {
  case GUI_MSG_NOTIFY_ALL:
    if (message.GetParam1() == GUI_MSG_UPDATE_ITEM && message.GetItem())
    {
      // update our item if necessary
      CPlayList &playlist = GetPlaylist(m_iCurrentPlayList);
      CFileItemPtr item = boost::static_pointer_cast<CFileItem>(message.GetItem());
      playlist.UpdateItem(item.get());
    }
    break;
  case GUI_MSG_PLAYBACK_STOPPED:
    {
      if (m_iCurrentPlayList != PLAYLIST_NONE && m_bPlaybackStarted)
      {
        CGUIMessage msg(GUI_MSG_PLAYLISTPLAYER_STOPPED, 0, 0, m_iCurrentPlayList, m_iCurrentSong);
        g_windowManager.SendThreadMessage(msg);
        Reset();
        m_iCurrentPlayList = PLAYLIST_NONE;
        return true;
      }
    }
    break;
  }

  return false;
}

//.........这里部分代码省略.........
            else
            {
              m_history.ClearPathHistory();
              m_vecItems->SetPath("");
            }
          }
        }

        return true;
      }
      else if (message.GetParam1()==GUI_MSG_UPDATE_SOURCES)
      { // State of the sources changed, so update our view
        if ((m_vecItems->IsVirtualDirectoryRoot() ||
             m_vecItems->IsSourcesPath()) && IsActive())
        {
          int iItem = m_viewControl.GetSelectedItem();
          Update(m_vecItems->GetPath());
          m_viewControl.SetSelectedItem(iItem);
        }
        return true;
      }
      else if (message.GetParam1()==GUI_MSG_UPDATE && IsActive())
      {
        if (message.GetNumStringParams())
        {
          m_vecItems->SetPath(message.GetStringParam());
          if (message.GetParam2()) // param2 is used for resetting the history
            SetHistoryForPath(m_vecItems->GetPath());
        }
        // clear any cached listing
        m_vecItems->RemoveDiscCache(GetID());
        Update(m_vecItems->GetPath());
      }
      else if (message.GetParam1()==GUI_MSG_UPDATE_ITEM && message.GetItem())
      {
        CFileItemPtr newItem = boost::static_pointer_cast<CFileItem>(message.GetItem());
        if (IsActive())
        {
          if (m_vecItems->UpdateItem(newItem.get()) && message.GetParam2() == 1)
          { // need the list updated as well
            UpdateFileList();
          }
        }
        else if (newItem)
        { // need to remove the disc cache
          CFileItemList items;
          CStdString path;
          URIUtils::GetDirectory(newItem->GetPath(), path);
          items.SetPath(path);
          items.RemoveDiscCache(GetID());
        }
      }
      else if (message.GetParam1()==GUI_MSG_UPDATE_PATH)
      {
        if (IsActive())
        {
          if((message.GetStringParam() == m_vecItems->GetPath()) ||
             (m_vecItems->IsMultiPath() && XFILE::CMultiPathDirectory::HasPath(m_vecItems->GetPath(), message.GetStringParam())))
          {
            Update(m_vecItems->GetPath());
          }
        }
      }
      else if (message.GetParam1() == GUI_MSG_FILTER_ITEMS && IsActive())
      {
        CStdString filter(GetProperty("filter").asString());

bool CGUIDialogKeyboardGeneric::OnMessage(CGUIMessage& message)
{
    switch ( message.GetMessage() )
    {
    case GUI_MSG_CLICKED:
    {
        int iControl = message.GetSenderId();

        switch (iControl)
        {
        case CTL_BUTTON_DONE:
            OnOK();
            break;
        case CTL_BUTTON_CANCEL:
            Close();
            break;
        case CTL_BUTTON_SHIFT:
            OnShift();
            break;
        case CTL_BUTTON_CAPS:
            if (m_keyType == LOWER)
                m_keyType = CAPS;
            else if (m_keyType == CAPS)
                m_keyType = LOWER;
            UpdateButtons();
            break;
        case CTL_BUTTON_LAYOUT:
            OnLayout();
            break;
        case CTL_BUTTON_SYMBOLS:
            OnSymbols();
            break;
        case CTL_BUTTON_LEFT:
            MoveCursor( -1);
            break;
        case CTL_BUTTON_RIGHT:
            MoveCursor(1);
            break;
        case CTL_BUTTON_IP_ADDRESS:
            OnIPAddress();
            break;
        case CTL_BUTTON_CLEAR:
            SetEditText("");
            break;
        case CTL_EDIT:
        {
            CGUIMessage msg(GUI_MSG_ITEM_SELECTED, GetID(), CTL_EDIT);
            OnMessage(msg);
            // update callback I guess?
            if (m_pCharCallback)
            {   // we did _something_, so make sure our search message filter is reset
                m_pCharCallback(this, msg.GetLabel());
            }
            m_text = msg.GetLabel();
            return true;
        }
        default:
            OnClickButton(iControl);
            break;
        }
    }
    break;

    case GUI_MSG_SET_TEXT:
    case GUI_MSG_INPUT_TEXT_EDIT:
    {
        // the edit control only handles these messages if it is either focues
        // or its specific control ID is set in the message. As neither is the
        // case here (focus is on one of the keyboard buttons) we have to force
        // the control ID of the message to the control ID of the edit control
        // (unfortunately we have to create a whole copy of the message object for that)
        CGUIMessage messageCopy(message.GetMessage(), message.GetSenderId(), CTL_EDIT, message.GetParam1(), message.GetParam2(), message.GetItem());
        messageCopy.SetLabel(message.GetLabel());

        // ensure this goes to the edit control
        CGUIControl *edit = GetControl(CTL_EDIT);
        if (edit)
            edit->OnMessage(messageCopy);

        // close the dialog if requested
        if (message.GetMessage() == GUI_MSG_SET_TEXT && message.GetParam1() > 0)
            OnOK();
        return true;
    }
    }

    return CGUIDialog::OnMessage(message);
}

//.........这里部分代码省略.........
        { // check that we have this removable share still
          if (!m_rootDir.IsInSource(m_vecItems->m_strPath))
          { // don't have this share any more
            if (IsActive()) Update("");
            else
            {
              m_history.ClearPathHistory();
              m_vecItems->m_strPath="";
            }
          }
        }

        return true;
      }
      else if (message.GetParam1()==GUI_MSG_UPDATE_SOURCES)
      { // State of the sources changed, so update our view
        if (m_vecItems->IsVirtualDirectoryRoot() && IsActive())
        {
          int iItem = m_viewControl.GetSelectedItem();
          Update(m_vecItems->m_strPath);
          m_viewControl.SetSelectedItem(iItem);
        }
        return true;
      }
      else if (message.GetParam1()==GUI_MSG_UPDATE && IsActive())
      {
        if (message.GetStringParam().size())
        {
          m_vecItems->m_strPath = message.GetStringParam();
          SetHistoryForPath(m_vecItems->m_strPath);
        }
        Update(m_vecItems->m_strPath);
      }
      else if (message.GetParam1()==GUI_MSG_UPDATE_ITEM && message.GetItem())
      {
        CFileItemPtr newItem = boost::static_pointer_cast<CFileItem>(message.GetItem());
        if (IsActive())
          m_vecItems->UpdateItem(newItem.get());
        else if (newItem)
        { // need to remove the disc cache
          CFileItemList items;
          CUtil::GetDirectory(newItem->m_strPath, items.m_strPath);
          items.RemoveDiscCache();
        }
      }
      else if (message.GetParam1()==GUI_MSG_UPDATE_PATH)
      {
        if (message.GetStringParam() == m_vecItems->m_strPath && IsActive())
          Update(m_vecItems->m_strPath);
      }
      else
        return CGUIWindow::OnMessage(message);

      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);

//.........这里部分代码省略.........


  case GUI_MSG_CLICKED:
    {
      int iControl = message.GetSenderId();
      if (iControl == CONTROL_BTN_REFRESH)
      {
        if (m_movieItem->GetVideoInfoTag()->m_iSeason < 0 && !m_movieItem->GetVideoInfoTag()->m_strShowTitle.IsEmpty()) // tv show
        {
          bool bCanceled=false;
          if (CGUIDialogYesNo::ShowAndGetInput(20377,20378,-1,-1,bCanceled))
          {
            m_bRefreshAll = true;
            CVideoDatabase db;
            if (db.Open())
            {
              db.SetPathHash(m_movieItem->GetVideoInfoTag()->m_strPath,"");
              db.Close();
            }
          }
          else
            m_bRefreshAll = false;

          if (bCanceled)
            return false;
        }
        m_bRefresh = true;
        Close();
        return true;
      }
      else if (iControl == CONTROL_BTN_TRACKS)
      {
        m_bViewReview = !m_bViewReview;
        Update();
      }
      else if (iControl == CONTROL_BTN_PLAY)
      {
        Play();
      }
      else if (iControl == CONTROL_BTN_RESUME)
      {
        Play(true);
      }
      else if (iControl == CONTROL_BTN_GET_THUMB)
      {
        OnGetThumb();
      }
      else if (iControl == CONTROL_BTN_PLAY_TRAILER)
      {
        PlayTrailer();
      }
      else if (iControl == CONTROL_BTN_GET_FANART)
      {
        OnGetFanart();
      }
      else if (iControl == CONTROL_BTN_DIRECTOR)
      {
        CStdString strDirector = StringUtils::Join(m_movieItem->GetVideoInfoTag()->m_director, g_advancedSettings.m_videoItemSeparator);
        OnSearch(strDirector);
      }
      else if (iControl == CONTROL_LIST)
      {
        int iAction = message.GetParam1();
        if (ACTION_SELECT_ITEM == iAction || ACTION_MOUSE_LEFT_CLICK == iAction)
        {
          CGUIMessage msg(GUI_MSG_ITEM_SELECTED, GetID(), iControl);
          OnMessage(msg);
          int iItem = msg.GetParam1();
          if (iItem < 0 || iItem >= m_castList->Size())
            break;
          CStdString strItem = m_castList->Get(iItem)->GetLabel();
          CStdString strFind;
          strFind.Format(" %s ",g_localizeStrings.Get(20347));
          int iPos = strItem.Find(strFind);
          if (iPos == -1)
            iPos = strItem.size();
          CStdString tmp = strItem.Left(iPos);
          OnSearch(tmp);
        }
      }
    }
    break;
  case GUI_MSG_NOTIFY_ALL:
    {
      if (IsActive() && message.GetParam1() == GUI_MSG_UPDATE_ITEM && message.GetItem())
      {
        CFileItemPtr item = boost::static_pointer_cast<CFileItem>(message.GetItem());
        if (item && m_movieItem->GetPath().Equals(item->GetPath()))
        { // Just copy over the stream details and the thumb if we don't already have one
          if (!m_movieItem->HasThumbnail())
            m_movieItem->SetThumbnailImage(item->GetThumbnailImage());
          m_movieItem->GetVideoInfoTag()->m_streamDetails = item->GetVideoInfoTag()->m_streamDetails;
        }
        return true;
      }
    }
  }

  return CGUIDialog::OnMessage(message);
}

bool CGUIDialogVideoInfo::OnMessage(CGUIMessage& message)
{
  switch ( message.GetMessage() )
  {
  case GUI_MSG_WINDOW_DEINIT:
    {
      ClearCastList();
    }
    break;

  case GUI_MSG_CLICKED:
    {
      int iControl = message.GetSenderId();
      if (iControl == CONTROL_BTN_REFRESH)
      {
        if (m_movieItem->GetVideoInfoTag()->m_iSeason < 0 && !m_movieItem->GetVideoInfoTag()->m_strShowTitle.IsEmpty()) // tv show
        {
          bool bCanceled=false;
          if (CGUIDialogYesNo::ShowAndGetInput(20377,20378,-1,-1,bCanceled))
          {
            m_bRefreshAll = true;
            CVideoDatabase db;
            if (db.Open())
            {
              db.SetPathHash(m_movieItem->GetVideoInfoTag()->m_strPath,"");
              db.Close();
            }
          }
          else
            m_bRefreshAll = false;

          if (bCanceled)
            return false;
        }
        m_bRefresh = true;
        Close();
        return true;
      }
      else if (iControl == CONTROL_BTN_TRACKS)
      {
        m_bViewReview = !m_bViewReview;
        Update();
      }
      else if (iControl == CONTROL_BTN_PLAY)
      {
        Play();
      }
      else if (iControl == CONTROL_BTN_RESUME)
      {
        Play(true);
      }
      else if (iControl == CONTROL_BTN_GET_THUMB)
      {
        OnGetArt();
      }
      else if (iControl == CONTROL_BTN_PLAY_TRAILER)
      {
        PlayTrailer();
      }
      else if (iControl == CONTROL_BTN_GET_FANART)
      {
        OnGetFanart();
      }
      else if (iControl == CONTROL_BTN_DIRECTOR)
      {
        CStdString strDirector = StringUtils::Join(m_movieItem->GetVideoInfoTag()->m_director, g_advancedSettings.m_videoItemSeparator);
        OnSearch(strDirector);
      }
      else if (iControl == CONTROL_LIST)
      {
        int iAction = message.GetParam1();
        if (ACTION_SELECT_ITEM == iAction || ACTION_MOUSE_LEFT_CLICK == iAction)
        {
          CGUIMessage msg(GUI_MSG_ITEM_SELECTED, GetID(), iControl);
          OnMessage(msg);
          int iItem = msg.GetParam1();
          if (iItem < 0 || iItem >= m_castList->Size())
            break;
          CStdString strItem = m_castList->Get(iItem)->GetLabel();
          CStdString strFind;
          strFind.Format(" %s ",g_localizeStrings.Get(20347));
          int iPos = strItem.Find(strFind);
          if (iPos == -1)
            iPos = strItem.size();
          CStdString tmp = strItem.Left(iPos);
          OnSearch(tmp);
        }
      }
    }
    break;
  case GUI_MSG_NOTIFY_ALL:
    {
      if (IsActive() && message.GetParam1() == GUI_MSG_UPDATE_ITEM && message.GetItem())
      {
        CFileItemPtr item = boost::static_pointer_cast<CFileItem>(message.GetItem());
        if (item && m_movieItem->GetPath().Equals(item->GetPath()))
        { // Just copy over the stream details and the thumb if we don't already have one
          if (!m_movieItem->HasArt("thumb"))
            m_movieItem->SetArt("thumb", item->GetArt("thumb"));
          m_movieItem->GetVideoInfoTag()->m_streamDetails = item->GetVideoInfoTag()->m_streamDetails;
//.........这里部分代码省略.........

bool CGUIBaseContainer::OnMessage(CGUIMessage& message)
{
  if (message.GetControlId() == GetID() )
  {
    if (!m_staticContent)
    {
      if (message.GetMessage() == GUI_MSG_LABEL_BIND && message.GetLPVOID())
      { // bind our items
        Reset();
        CFileItemList *items = (CFileItemList *)message.GetLPVOID();
        for (int i = 0; i < items->Size(); i++)
          m_items.push_back(items->Get(i));
        UpdateLayout(true); // true to refresh all items
        UpdateScrollByLetter();
        SelectItem(message.GetParam1());
        return true;
      }
      if (message.GetMessage() == GUI_MSG_LABEL_ADD && message.GetItem())
      {
        CGUIListItemPtr item = message.GetItem();
        m_items.push_back(item);
        UpdateScrollByLetter();
        SetPageControlRange();
        return true;
      }
      else if (message.GetMessage() == GUI_MSG_LABEL_RESET)
      {
        Reset();
        SetPageControlRange();
        return true;
      }
    }
    if (message.GetMessage() == GUI_MSG_ITEM_SELECTED)
    {
      message.SetParam1(GetSelectedItem());
      return true;
    }
    else if (message.GetMessage() == GUI_MSG_PAGE_CHANGE)
    {
      if (message.GetSenderId() == m_pageControl && IsVisible())
      { // update our page if we're visible - not much point otherwise
        if ((int)message.GetParam1() != m_offset)
          m_pageChangeTimer.StartZero();
        ScrollToOffset(message.GetParam1());
        return true;
      }
    }
    else if (message.GetMessage() == GUI_MSG_REFRESH_LIST)
    { // update our list contents
      for (unsigned int i = 0; i < m_items.size(); ++i)
        m_items[i]->SetInvalid();
    }
    else if (message.GetMessage() == GUI_MSG_MOVE_OFFSET)
    {
      int count = (int)message.GetParam1();
      while (count < 0)
      {
        MoveUp(true);
        count++;
      }
      while (count > 0)
      {
        MoveDown(true);
        count--;
      }
      return true;
    }
  }
  return CGUIControl::OnMessage(message);
}

bool CGUIWindowEventLog::OnMessage(CGUIMessage& message)
{
  switch (message.GetMessage())
  {
  case GUI_MSG_WINDOW_INIT:
  {
    m_rootDir.AllowNonLocalSources(false);

    // is this the first time the window is opened?
    if (m_vecItems->GetPath() == "?" && message.GetStringParam().empty())
      m_vecItems->SetPath("");

    break;
  }

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

    // check if we should clear all items
    if (iControl == CONTROL_BUTTON_CLEAR)
    {
      CEventLog::GetInstance().Clear(CViewStateSettings::GetInstance().GetEventLevel(), CViewStateSettings::GetInstance().ShowHigherEventLevels());

      // refresh the list
      Refresh(true);
      return true;
    }

    // check if we should change the level
    if (iControl == CONTROL_BUTTON_LEVEL)
    {
      // update the event level
      CViewStateSettings::GetInstance().CycleEventLevel();
      CSettings::GetInstance().Save();

      // update the listing
      Refresh();
      return true;
    }

    // check if we should change the level
    if (iControl == CONTROL_BUTTON_LEVEL_ONLY)
    {
      // update whether to show higher event levels
      CViewStateSettings::GetInstance().ToggleShowHigherEventLevels();
      CSettings::GetInstance().Save();

      // update the listing
      Refresh();
      return true;
    }

    // check if the user interacted with one of the events
    if (m_viewControl.HasControl(iControl))
    {
      // get selected item
      int itemIndex = m_viewControl.GetSelectedItem();
      if (itemIndex < 0 || itemIndex >= m_vecItems->Size())
        break;

      CFileItemPtr item = m_vecItems->Get(itemIndex);
      int actionId = message.GetParam1();

      if (actionId == ACTION_DELETE_ITEM)
        return OnDelete(item);
    }

    break;
  }

  case GUI_MSG_NOTIFY_ALL:
  {
    CFileItemPtr item = std::dynamic_pointer_cast<CFileItem>(message.GetItem());
    if (item == nullptr)
      break;

    switch (message.GetParam1())
    {
    case GUI_MSG_EVENT_ADDED:
      OnEventAdded(item);
      return true;

    case GUI_MSG_EVENT_REMOVED:
      OnEventRemoved(item);
      return true;

    default:
      break;
    }
  }

  default:
    break;
  }

  return CGUIMediaWindow::OnMessage(message);
}