/*

  * MP3/MPlayer plugin to VDR (C++)

  *

  * (C) 2001-2010 Stefan Huelswitt <s.huelswitt@gmx.de>

  *

  * This code is free software; you can redistribute it and/or

  * modify it under the terms of the GNU General Public License

  * as published by the Free Software Foundation; either version 2

  * of the License, or (at your option) any later version.

  *

  * This code is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  * GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program; if not, write to the Free Software

  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html

  */

 #include <getopt.h>

 #include <malloc.h>

 #include <stdlib.h>

 #include <ctype.h>

 #include "common.h"

 #include <vdr/plugin.h>

 #include <vdr/player.h>

 #include <vdr/status.h>

 #include <vdr/font.h>

 #include <vdr/osdbase.h>

 #include <vdr/menuitems.h>

 #include <vdr/skins.h>

 #include <vdr/remote.h>

 #include <vdr/menu.h>

 #include "setup.h"

 #include "setup-mplayer.h"

 #include "menu.h"

 #include "player-mplayer.h"

 #include "data.h"

 #include "data-src.h"

 #include "i18n.h"

 #include "version.h"

 #include "service.h"

 const char *sourcesSub=0;

 cFileSources MPlaySources;

 static const char *plugin_name=0;

 const char *i18n_name=0;

 // --- cMenuSetupMPlayer --------------------------------------------------------

 class cMenuSetupMPlayer : public cMenuSetupPage {

 private:

   cMPlayerSetup data;

   const char *res[3];

 protected:

   virtual void Store(void);

 public:

   cMenuSetupMPlayer(void);

   };

 cMenuSetupMPlayer::cMenuSetupMPlayer(void)

 {

   data=MPlayerSetup;

   SetSection(tr("MPlayer"));

   Add(new cMenuEditBoolItem(tr("Setup.MPlayer$Control mode"),  &data.SlaveMode, tr("Traditional"), tr("Slave")));

   Add(new cMenuEditBoolItem(tr("Setup.MPlayer$Prev/Next keys"),&data.PrevNextKeyMode, tr("Chapter"), tr("Playlist")));

   res[0]=tr("disabled");

   res[1]=tr("global only");

   res[2]=tr("local first");

   Add(new cMenuEditStraItem(tr("Setup.MPlayer$Resume mode"),   &data.ResumeMode, 3, res));

   Add(new cMenuEditBoolItem(tr("Hide mainmenu entry"),         &data.HideMainMenu));

   for(int i=0; i<10; i++) {

     char name[32];

     snprintf(name,sizeof(name),"%s %d",tr("Setup.MPlayer$Slave command key"),i);

     static const char allowed[] = { "abcdefghijklmnopqrstuvwxyz0123456789!\"§$%&/()=?{}[]\\+*~#',;.:-_<>|@´`^°" };

     Add(new cMenuEditStrItem(name, data.KeyCmd[i],MAX_KEYCMD,allowed));

     }

 }

 void cMenuSetupMPlayer::Store(void)

 {

   MPlayerSetup=data;

   SetupStore("ControlMode", MPlayerSetup.SlaveMode);

   SetupStore("HideMainMenu",MPlayerSetup.HideMainMenu);

   SetupStore("ResumeMode",  MPlayerSetup.ResumeMode);

   SetupStore("PrevNextMode",MPlayerSetup.PrevNextKeyMode);

   for(int i=0; i<10; i++) {

     char name[16];

     snprintf(name,sizeof(name),"KeyCmd%d",i);

     SetupStore(name,MPlayerSetup.KeyCmd[i]);

     }

 }

 // --- cMPlayerControl ---------------------------------------------------------

 class cMPlayerControl : public cControl {

 private:

   static cFileObj *file;

   static bool rewind;

   cMPlayerPlayer *player;

   cSkinDisplayReplay *display;

   bool visible, modeOnly;

   time_t timeoutShow;

   int lastCurrent, lastTotal;

   char *lastReplayMsg;

   //

   bool jumpactive, jumphide, jumpmode;

   int jumpval;

   //

   void Stop(void);

   void ShowTimed(int Seconds=0);

   void ShowProgress(void);

   void ShowMode(void);

   void ShowTitle(void);

   void Jump(void);

   void JumpProcess(eKeys Key);

   void JumpDisplay(void);

 public:

   cMPlayerControl(void);

   virtual ~cMPlayerControl();

   virtual eOSState ProcessKey(eKeys Key);

   virtual void Show(void) { ShowTimed(); }

   virtual void Hide(void);

   static void SetFile(const cFileObj *File, bool Rewind);

   };

 cFileObj *cMPlayerControl::file=0;

 bool cMPlayerControl::rewind=false;

 cMPlayerControl::cMPlayerControl(void)

 :cControl(player=new cMPlayerPlayer(file,rewind))

 {

   visible=modeOnly=jumpactive=false;

   lastReplayMsg=0;

   display=0;

   ShowTitle();

 }

 cMPlayerControl::~cMPlayerControl()

 {

   Stop();

   cStatus::MsgReplaying(this,0,0,false);

   free(lastReplayMsg);

 }

 void cMPlayerControl::SetFile(const cFileObj *File, bool Rewind)

 {

   delete file;

   file=File ? new cFileObj(File) : 0;

   rewind=Rewind;

 }

 void cMPlayerControl::Stop(void)

 {

   delete player; player=0;

 }

 void cMPlayerControl::ShowTimed(int Seconds)

 {

   if(modeOnly) Hide();

   if(!visible) {

     ShowProgress();

     timeoutShow = Seconds>0 ? time(0)+Seconds : 0;

     }

 }

 void cMPlayerControl::Hide(void)

 {

   if(visible) {

     delete display; display=0;

     visible=modeOnly=false;

 #if APIVERSNUM >= 10500

     SetNeedsFastResponse(false);

 #else

     needsFastResponse=false;

 #endif

     }

 }

 void cMPlayerControl::ShowTitle(void)

 {

   const char *path=0;

   bool release=true;

   if(player) path=player->GetCurrentName();

   if(!path) {

     path=file->FullPath();

     release=false;

     }

   if(path) {

     const char *name=rindex(path,'/');

     if(name) name++; else name=path;

     if(!lastReplayMsg || strcmp(lastReplayMsg,path)) {

       cStatus::MsgReplaying(this,name,path,true);

       free(lastReplayMsg);

       lastReplayMsg=strdup(path);

       }

     if(visible) {

       if(display) display->SetTitle(name);

       }

     }

   if(release) free((void *)path);

 }

 void cMPlayerControl::ShowProgress(void)

 {

   int Current, Total;

   if(GetIndex(Current,Total) && Total>0) {

     bool flush=false;

     if(!visible) {

       display=Skins.Current()->DisplayReplay(false);

       visible=true; modeOnly=false;

 #if APIVERSNUM >= 10500

       SetNeedsFastResponse(true);

 #else

       needsFastResponse=true;

 #endif

       lastCurrent=lastTotal=-1;

       flush=true;

       }

     if(abs(Current-lastCurrent)>12) {

       if(Total>0) display->SetProgress(Current, Total);

       display->SetCurrent(IndexToHMSF(Current));

       display->SetTotal(IndexToHMSF(Total));

       bool Play, Forward;

       int Speed;

       if(GetReplayMode(Play,Forward,Speed)) 

         display->SetMode(Play, Forward, Speed);

       ShowTitle();

       flush=true;

       lastCurrent=Current; lastTotal=Total;

       }

     if(flush) 

       Skins.Flush();

     ShowMode();

     }

 }

 void cMPlayerControl::ShowMode(void)

 {

   if(Setup.ShowReplayMode && !jumpactive) {

     bool Play, Forward;

     int Speed;

     if(GetReplayMode(Play, Forward, Speed)) {

        bool NormalPlay = (Play && Speed == -1);

        if(!visible) {

          if(NormalPlay) return;

          display = Skins.Current()->DisplayReplay(true);

          visible=modeOnly=true;

          }

        if(modeOnly && !timeoutShow && NormalPlay) timeoutShow=time(0)+SELECTHIDE_TIMEOUT;

        display->SetMode(Play, Forward, Speed);

        }

     }

 }

 void cMPlayerControl::JumpDisplay(void)

 {

   char buf[64];

   const char *j=trVDR("Jump: "), u=jumpmode?'%':'m';

   if(!jumpval) sprintf(buf,"%s- %c",  j,u);

   else         sprintf(buf,"%s%d- %c",j,jumpval,u);

   display->SetJump(buf);

 }

 void cMPlayerControl::JumpProcess(eKeys Key)

 {

   const int n=Key-k0;

   switch (Key) {

     case k0 ... k9:

       {

       const int max=jumpmode?100:lastTotal;

       if(jumpval*10+n <= max) jumpval=jumpval*10+n;

       JumpDisplay();

       }

       break;

     case kBlue:

       jumpmode=!jumpmode; jumpval=0;

       JumpDisplay();

       break;

     case kPlay:

     case kUp:

       player->Goto(jumpval*(jumpmode?1:60),jumpmode,false);

       jumpactive=false;

       break;

     case kFastRew:

     case kFastFwd:

     case kLeft:

     case kRight:

       if(!jumpmode) {

         player->SkipSeconds(jumpval*60 * ((Key==kLeft || Key==kFastRew) ? -1:1));

         jumpactive=false;

         }

       break;

     default:

       jumpactive=false;

       break;

     }

   if(!jumpactive) {

     if(jumphide) Hide();

     else 

       display->SetJump(0);

     }

 }

 void cMPlayerControl::Jump(void)

 {

   jumpval=0; jumphide=jumpmode=false;

   if(!visible) {

     ShowTimed(); if(!visible) return;

     jumphide=true;

     }

   JumpDisplay();

   jumpactive=true;

 }

 eOSState cMPlayerControl::ProcessKey(eKeys Key)

 {

   if(!player->Active()) { Hide(); Stop(); return osEnd; }

   if(!player->SlaveMode()) {

     if(Key==kBlue) { Hide(); Stop(); return osEnd; }

     }

   else {

     if(visible) {

       if(timeoutShow && time(0)>timeoutShow) {

         Hide(); ShowMode();

         timeoutShow = 0;

         }

       else {

         if(modeOnly) ShowMode();

         else ShowProgress();

         }

       }

     else ShowTitle();

     if(jumpactive && Key != kNone) {

       JumpProcess(Key);

       return osContinue;

       }

     bool DoShowMode = true;

     switch (Key) {

       case kPlay:

       case kUp:      player->Play(); break;

       case kPause:

       case kDown:    player->Pause(); break;

       case kFastRew|k_Repeat:

       case kFastRew:

       case kLeft|k_Repeat:

       case kLeft:    player->SkipSeconds(-10); break;

       case kFastFwd|k_Repeat:

       case kFastFwd:

       case kRight|k_Repeat:

       case kRight:   player->SkipSeconds(10); break;

       case kRed:     Jump(); break;

       case kGreen|k_Repeat:

       case kGreen:   player->SkipSeconds(-60); break;

       case kYellow|k_Repeat:

       case kYellow:  player->SkipSeconds(60); break;

       case kNext:    player->SkipTrack(1,MPlayerSetup.PrevNextKeyMode!=0); break;

       case kPrev:    player->SkipTrack(-1,MPlayerSetup.PrevNextKeyMode!=0); break;

       case kBack:    Hide();

                      cRemote::CallPlugin(plugin_name);

                      return osBack;

       case kStop:

       case kBlue:    Hide(); Stop(); return osEnd;

       default:

         DoShowMode = false;

         switch(Key) {

           case kOk: if(visible && !modeOnly) { Hide(); DoShowMode=true; }

                     else ShowTimed();

                     break;

           case kAudio:

                     player->KeyCmd("switch_audio");

                     break;

           case k0:

           case k1:

           case k2:

           case k3:

           case k4:

           case k5:

           case k6:

           case k7:

           case k8:

           case k9:  {

                     const char *cmd=MPlayerSetup.KeyCmd[Key-k0];

                     if(cmd[0]) player->KeyCmd(cmd);

                     }

                     break;

           default:  break;

           }

         break;

       }

     if(DoShowMode) ShowMode();

     }

   return osContinue;

 }

 // --- cMenuMPlayAid -----------------------------------------------------------

 class cMenuMPlayAid : public cOsdMenu {

 public:

   cMenuMPlayAid(void);

   virtual eOSState ProcessKey(eKeys Key);

   };

 cMenuMPlayAid::cMenuMPlayAid(void)

 :cOsdMenu(tr("MPlayer Audio ID"),20)

 {

   Add(new cMenuEditIntItem(tr("Audiostream ID"),&MPlayerAid,-1,255));

   Display();

 }

 eOSState cMenuMPlayAid::ProcessKey(eKeys Key)

 {

   eOSState state=cOsdMenu::ProcessKey(Key);

   if(state==osUnknown) {

     switch(Key) {

       case kOk: state=osBack; break;

       default:  break;

       }

     }

   return state;

 }

 // --- cMenuMPlayBrowse ---------------------------------------------------------

 class cMenuMPlayBrowse : public cMenuBrowse {

 private:

   bool sourcing, aidedit;

   eOSState Source(bool second);

   eOSState Summary(void);

 protected:

   virtual void SetButtons(void);

 public:

   cMenuMPlayBrowse(void);

   virtual eOSState ProcessKey(eKeys Key);

   };

 static const char *excl_sum[] = { ".*","*.summary","*.txt","*.nfo",0 };

 cMenuMPlayBrowse::cMenuMPlayBrowse(void)

 :cMenuBrowse(MPlaySources.GetSource(),false,false,tr("MPlayer browser"),excl_sum)

 {

   sourcing=aidedit=false;

   SetButtons();

 }

 void cMenuMPlayBrowse::SetButtons(void)

 {

   static char blue[12];

   snprintf(blue,sizeof(blue),MPlayerAid>=0 ? "AID:%d" : "AID:def",MPlayerAid);

   SetHelp(trVDR("Button$Play"), MPlayerSetup.ResumeMode ? trVDR("Button$Rewind"):0, tr("Source"), blue);

   Display();

 }

 eOSState cMenuMPlayBrowse::Source(bool second)

 {

   if(HasSubMenu()) return osContinue;

   if(!second) {

     sourcing=true;

     return AddSubMenu(new cMenuSource(&MPlaySources,tr("MPlayer source")));

     }

   sourcing=false;

   cFileSource *src=cMenuSource::GetSelected();

   if(src) {

     MPlaySources.SetSource(src);

     SetSource(src);

     NewDir(0);

     }

   return osContinue;

 }

 eOSState cMenuMPlayBrowse::Summary(void)

 {

   cFileObj *item=CurrentItem();

   if(item && item->Type()==otFile) {

     static const char *exts[] = { ".summary",".txt",".nfo",0 };

     for(int i=0; exts[i]; i++) {

       char buff[4096];

       strn0cpy(buff,item->FullPath(),sizeof(buff)-20);

       char *e=&buff[strlen(buff)];

       strn0cpy(e,exts[i],20);

       int fd=open(buff,O_RDONLY);

       *e=0;

       if(fd<0 && (e=rindex(buff,'.'))) {

         strn0cpy(e,exts[i],20);

         fd=open(buff,O_RDONLY);

         }

       if(fd>=0) {

         int r=read(fd,buff,sizeof(buff)-1);

         close(fd);

         if(r>0) {

           buff[r]=0;

           return AddSubMenu(new cMenuText(tr("Summary"),buff));

           }

         }

       }

     }

   return osContinue;

 }

 eOSState cMenuMPlayBrowse::ProcessKey(eKeys Key)

 {

   eOSState state=cOsdMenu::ProcessKey(Key);

   if(state==osContinue && !HasSubMenu()) {

     if(sourcing) return Source(true);

     if(aidedit) { aidedit=false; SetButtons(); }

     }

   bool rew=false;

   if(state==osUnknown) {

     switch(Key) {

       case kGreen:

         {

         cFileObj *item=CurrentItem();

         if(item && item->Type()==otFile) {

           lastselect=new cFileObj(item);

           state=osBack;

           rew=true;

           } 

         else state=osContinue;

         break;

         }

       case kYellow:

         state=Source(false);

         break;

       case kBlue:

         aidedit=true;

         state=AddSubMenu(new cMenuMPlayAid);

         break;

       case k0:

         state=Summary();

         break;

       default:

         break;

       }

     }

   if(state==osUnknown) state=cMenuBrowse::ProcessStdKey(Key,state);

   if(state==osBack && lastselect) {

     cMPlayerControl::SetFile(lastselect,rew);

     cControl::Launch(new cMPlayerControl);

     return osEnd;

     }

   return state;

 }

 // --- cPluginMPlayer ----------------------------------------------------------

 static const char *DESCRIPTION    = trNOOP("Media replay via MPlayer");

 static const char *MAINMENUENTRY  = "MPlayer";

 class cPluginMPlayer : public cPlugin {

 private:

   bool ExternalPlay(const char *path, bool test);

 public:

   cPluginMPlayer(void);

   virtual ~cPluginMPlayer();

   virtual const char *Version(void) { return PluginVersion; }

   virtual const char *Description(void) { return tr(DESCRIPTION); }

   virtual const char *CommandLineHelp(void);

   virtual bool ProcessArgs(int argc, char *argv[]);

   virtual bool Initialize(void);

   virtual const char *MainMenuEntry(void);

   virtual cOsdMenu *MainMenuAction(void);

   virtual cMenuSetupPage *SetupMenu(void);

   virtual bool SetupParse(const char *Name, const char *Value);

   virtual bool Service(const char *Id, void *Data);

   virtual const char **SVDRPHelpPages(void);

   virtual cString SVDRPCommand(const char *Command, const char *Option, int &ReplyCode);

   };

 cPluginMPlayer::cPluginMPlayer(void)

 {

   // Initialize any member variables here.

   // DON'T DO ANYTHING ELSE THAT MAY HAVE SIDE EFFECTS, REQUIRE GLOBAL

   // VDR OBJECTS TO EXIST OR PRODUCE ANY OUTPUT!

   status=0;

 }

 cPluginMPlayer::~cPluginMPlayer()

 {

   delete status;

 }

 const char *cPluginMPlayer::CommandLineHelp(void)

 {

   static char *help_str=0;

   free(help_str);    //                                     for easier orientation, this is column 80|

   help_str=aprintf(  "  -m CMD,   --mount=CMD    use CMD to mount/unmount/eject mp3 sources\n"

                      "                           (default: %s)\n"

                      "  -M CMD,   --mplayer=CMD  use CMD when calling MPlayer\n"

                      "                           (default: %s)\n"

                      "  -S SUB,   --sources=SUB  search sources config in SUB subdirectory\n"

                      "                           (default: %s)\n"

                      "  -R DIR,   --resume=DIR   store global resume file in DIR\n"

                      "                           (default: %s)\n",

                      mountscript,

                      MPlayerCmd,

                      sourcesSub ? sourcesSub:"none",

                      globalResumeDir ? globalResumeDir:"video dir"

                      );

   return help_str;

 }

 bool cPluginMPlayer::ProcessArgs(int argc, char *argv[])

 {

   static struct option long_options[] = {

       { "mount",    required_argument, NULL, 'm' },

       { "mplayer",  required_argument, NULL, 'M' },

       { "sources",  required_argument, NULL, 'S' },

       { "resume",   required_argument, NULL, 'R' },

       { NULL }

     };

   int c, option_index = 0;

   while((c=getopt_long(argc,argv,"m:M:S:R:",long_options,&option_index))!=-1) {

     switch (c) {

       case 'm': mountscript=optarg; break;

       case 'M': MPlayerCmd=optarg; break;

       case 'S': sourcesSub=optarg; break;

       case 'R': globalResumeDir=optarg; break;

       default:  return false;

       }

     }

   return true;

 }

 bool cPluginMPlayer::Initialize(void)

 {

   if(!CheckVDRVersion(1,4,5,"mplayer")) return false;

   plugin_name="mplayer";

 #if APIVERSNUM < 10507

   i18n_name="mplayer";

 #else

   i18n_name="vdr-mplayer";

 #endif

   MPlaySources.Load(AddDirectory(ConfigDirectory(sourcesSub),"mplayersources.conf"));

   if(MPlaySources.Count()<1) {

     esyslog("ERROR: you must have defined at least one source in mplayersources.conf");

     fprintf(stderr,"No source(s) defined in mplayersources.conf\n");

     return false;

     }

 #if APIVERSNUM < 10507

   RegisterI18n(Phrases);

 #endif

   if(!(status=new cMPlayerStatus)) return false;

   return true;

 }

 const char *cPluginMPlayer::MainMenuEntry(void)

 {

   return MPlayerSetup.HideMainMenu ? 0 : tr(MAINMENUENTRY);

 }

 cOsdMenu *cPluginMPlayer::MainMenuAction(void)

 {

   return new cMenuMPlayBrowse;

 }

 cMenuSetupPage *cPluginMPlayer::SetupMenu(void)

 {

   return new cMenuSetupMPlayer;

 }

 bool cPluginMPlayer::SetupParse(const char *Name, const char *Value)

 {

   if(      !strcasecmp(Name, "ControlMode"))  MPlayerSetup.SlaveMode    = atoi(Value);

   else if (!strcasecmp(Name, "HideMainMenu")) MPlayerSetup.HideMainMenu = atoi(Value);

   else if (!strcasecmp(Name, "ResumeMode"))   MPlayerSetup.ResumeMode   = atoi(Value);

   else if (!strcasecmp(Name, "PrevNextMode")) MPlayerSetup.PrevNextKeyMode = atoi(Value);

   else if (!strncasecmp(Name,"KeyCmd", 6) && strlen(Name)==7 && isdigit(Name[6]))

     strn0cpy(MPlayerSetup.KeyCmd[Name[6]-'0'],Value,sizeof(MPlayerSetup.KeyCmd[0]));

   else return false;

   return true;

 }

 bool cPluginMPlayer::ExternalPlay(const char *path, bool test)

 {

   char real[PATH_MAX+1];

   if(realpath(path,real)) {

     cFileSource *src=MPlaySources.FindSource(real);

     if(src) {

       cFileObj *item=new cFileObj(src,0,0,otFile);

       if(item) {

         item->SplitAndSet(real);

         if(item->GuessType()) {

           if(item->Exists()) {

             if(!test) {

               cMPlayerControl::SetFile(item,true);

               cControl::Launch(new cMPlayerControl);

               cControl::Attach();

               }

             delete item;

             return true;

             }

           else dsyslog("MPlayer service: cannot play '%s'",path);

           }

         else dsyslog("MPlayer service: GuessType() failed for '%s'",path);

         delete item;

         }

       }

     else dsyslog("MPlayer service: cannot find source for '%s', real '%s'",path,real);

     }

   else if(errno!=ENOENT && errno!=ENOTDIR)

     esyslog("ERROR: realpath: %s: %s",path,strerror(errno));

   return false;

 }

 bool cPluginMPlayer::Service(const char *Id, void *Data)

 {

   if(!strcasecmp(Id,"MPlayer-Play-v1")) {

     if(Data) {

       struct MPlayerServiceData *msd=(struct MPlayerServiceData *)Data;

       msd->result=ExternalPlay(msd->data.filename,false);

       }

     return true;

     }

   else if(!strcasecmp(Id,"MPlayer-Test-v1")) {

     if(Data) {

       struct MPlayerServiceData *msd=(struct MPlayerServiceData *)Data;

       msd->result=ExternalPlay(msd->data.filename,true);

       }

     return true;

     }

   return false;

 }

 const char **cPluginMPlayer::SVDRPHelpPages(void)

 {

   static const char *HelpPages[] = {

     "PLAY <filename>\n"

     "    Triggers playback of file 'filename'.",

     "TEST <filename>\n"

     "    Tests is playback of file 'filename' is possible.",

     NULL

     };

   return HelpPages;

 }

 cString cPluginMPlayer::SVDRPCommand(const char *Command, const char *Option, int &ReplyCode)

 {

   if(!strcasecmp(Command,"PLAY")) {

     if(*Option) {

       if(ExternalPlay(Option,false)) return "Playback triggered";

       else { ReplyCode=550; return "Playback failed"; }

       }

     else { ReplyCode=501; return "Missing filename"; }

     }

   else if(!strcasecmp(Command,"TEST")) {

     if(*Option) {

       if(ExternalPlay(Option,true)) return "Playback possible";

       else { ReplyCode=550; return "Playback not possible"; }

       }

     else { ReplyCode=501; return "Missing filename"; }

     }

   return NULL;

 }

 VDRPLUGINCREATOR(cPluginMPlayer); // Don't touch this!