ging/social_stream

PRESENCE.PERSISTENCE = (function(P,$,undefined){

  var init = function(){ }


    ////////////////////
    // Store and restore conversations using session storage.
    ////////////////////
    
    var storeChatData = function(){
      
      //Check for Session Storage support
      if (! window.sessionStorage){
        return
      }
      
      storeChatStatus();
      storeUserChatStatus();
      storeConversations();
    }
    
    var storeChatStatus = function(){
      //Status of the mainChatBoxWindow
        var mainChatBox = PRESENCE.WINDOW.getMainChatBox();
      if(mainChatBox!=null){
        sessionStorage.setItem("chat_mainChatBox_status", $(mainChatBox).is(":visible"));
      } else {
        sessionStorage.setItem("chat_mainChatBox_status", null);
      } 
    }
    
    var storeConversations = function() {
      var chatboxes = PRESENCE.WINDOW.getAllChatBoxes();
      var pvisibleChatBoxes = PRESENCE.WINDOW.getVisibleChatBoxes();
      var storedSlugs = [];
      var storedGroupSlugs = [];
      var visibleMaxSlugs = [];
      var visibleMinSlugs = [];
      
      //Stored all conversations
      for (var i=0;i<chatboxes.length;i++){
        var slug = chatboxes[i].id
        if(PRESENCE.WINDOW.isSlugGroup(slug)){
          if(pvisibleChatBoxes.indexOf(PRESENCE.WINDOW.getChatBoxForSlug(slug))!=-1){
            storedGroupSlugs.push(slug)
          }
        } else {
          var log = $(chatboxes[i]).html()
          sessionStorage.setItem("chat_log_" + slug, log);
          storedSlugs.push(slug)
        }
      }
      
      if(storedSlugs.length>0){
        //Stored slugs with stored conversations
        sessionStorage.setItem("slugs_with_stored_log", storedSlugs.join(","));
      } else {
        sessionStorage.setItem("slugs_with_stored_log", null);
      }
      
      if(storedGroupSlugs.length>0){
        //Stored open groups slugs
        sessionStorage.setItem("open_group_slugs", storedGroupSlugs.join(","));
      } else {
        sessionStorage.setItem("open_group_slugs", null);
      }
      
      //Stored slugs with visible chatbox
      for (var j=0;j<pvisibleChatBoxes.length;j++){
        if(pvisibleChatBoxes[j].is(":visible")){
          visibleMaxSlugs.push($(pvisibleChatBoxes[j]).attr("id"))
        } else {
          visibleMinSlugs.push($(pvisibleChatBoxes[j]).attr("id"))
        }
      }
      
      if (visibleMaxSlugs.length > 0) {
        sessionStorage.setItem("slugs_with_visible_max_chatbox", visibleMaxSlugs.join(","));
      } else {
        sessionStorage.setItem("slugs_with_visible_max_chatbox", null);
      }
      
      if (visibleMinSlugs.length > 0) {
        sessionStorage.setItem("slugs_with_visible_min_chatbox", visibleMinSlugs.join(","));
      } else {
        sessionStorage.setItem("slugs_with_visible_min_chatbox", null);
      }
    }
    
    var storeUserChatStatus = function(){
      sessionStorage.setItem("chat_user_status", PRESENCE.XMPPClient.getUserStatus());
    }
    
    var removeAllDataStored = function(){
      sessionStorage.removeItem("chat_user_status");
      sessionStorage.removeItem("chat_mainChatBox_status");
      
      sessionStorage.removeItem("slugs_with_stored_log");
      sessionStorage.removeItem("slugs_with_visible_max_chatbox");
      sessionStorage.removeItem("slugs_with_visible_min_chatbox");
      sessionStorage.removeItem("open_group_slugs");
    }
    
    var getRestoreUserChatStatus = function(){
      if (!window.sessionStorage) {
        return "available";
      }
      
      var restoreUserChatStatus = sessionStorage.getItem("chat_user_status");
      if ((restoreUserChatStatus != null)&&((restoreUserChatStatus in PRESENCE.XMPPClient.getSStreamChatStatus())||(restoreUserChatStatus=="offline"))){
        return restoreUserChatStatus;
      } else {
        return "available";
      }
    }
    
    var restoreChatData = function(){
      
      //Check for Session Storage support
      if (! window.sessionStorage){
        return
      }
    
      restoreChatBoxes();
    }
    
    var getRestoreMainChatBoxStatus = function(){
      if (!window.sessionStorage) {
        return false;
      } else {
        if(sessionStorage.getItem("chat_mainChatBox_status") == "true"){
          return true;
        } else {
          return false;
        }
      }
    }
    
    var restoreChatBoxes = function(){
      
      //Get slugs with visible chatbox
      var visibleMaxSlugsString = sessionStorage.getItem("slugs_with_visible_max_chatbox");
      var visibleMinSlugsString = sessionStorage.getItem("slugs_with_visible_min_chatbox");
      
      if(visibleMaxSlugsString!=null){
        var visibleMaxSlugs = visibleMaxSlugsString.split(",")
      } else {
        var visibleMaxSlugs = [];
      }
      
      if(visibleMinSlugsString!=null){
        var visibleMinSlugs = visibleMinSlugsString.split(",")
      } else {
        var visibleMinSlugs = [];
      }
    
      restoreBuddyChatBoxes(visibleMaxSlugs,visibleMinSlugs);
      restoreGroupsChatBoxes(visibleMaxSlugs,visibleMinSlugs);
    }
    
    var restoreGroupsChatBoxes = function(visibleMaxSlugs,visibleMinSlugs){
      var groupSlugsString = sessionStorage.getItem("open_group_slugs")
      if((groupSlugsString != null)&&(groupSlugsString != "null")){
        var groupSlugs=groupSlugsString.split(",")
        
        for (var i=0;i<groupSlugs.length;i++){    
          var guest_slug = groupSlugs[i]
          var guest_name = PRESENCE.XMPPClient.getNameFromSlug(guest_slug)
          var open = (visibleMinSlugs.indexOf(guest_slug)==-1)
          PRESENCE.XMPPClient.accessRoom(guest_slug,open)
        }
      }
    }
    
    var restoreBuddyChatBoxes = function(visibleMaxSlugs,visibleMinSlugs) {
      //Get Stored slugs
      var storedSlugsString = sessionStorage.getItem("slugs_with_stored_log");
      
      if (storedSlugsString != null){
        var storedSlugs=storedSlugsString.split(",")
    
        for (var i=0;i<storedSlugs.length;i++){
          var restoreLog = sessionStorage.getItem("chat_log_" + storedSlugs[i]);
          
          if (restoreLog != null){
    
            var guest_slug = storedSlugs[i];
            var guest_name = PRESENCE.XMPPClient.getNameFromSlug(guest_slug)
            var guest_jid = PRESENCE.XMPPClient.getJidFromSlug(guest_slug);
            PRESENCE.WINDOW.createBuddyChatBox(guest_slug)
            
            if ((visibleMinSlugs.indexOf(guest_slug)!=-1)){
               //Minimize chatbox
                         PRESENCE.WINDOW.getChatBoxForSlug(guest_slug).parent().toggle(false);
            }     
            if ((visibleMaxSlugs.indexOf(guest_slug)==-1)&&(visibleMinSlugs.indexOf(guest_slug)==-1)){
              PRESENCE.WINDOW.closeChatBox(guest_slug); 
            }
            
            PRESENCE.WINDOW.getChatBoxForSlug(guest_slug).html(restoreLog)
            
            if (! PRESENCE.UIMANAGER.isSlugChatConnected(guest_slug)) {
              PRESENCE.NOTIFICATIONS.showOfflineChatNotificationForSlug(guest_slug);
            }
            
          }
        }   
      }  
    }   


  return {
    init: init,
        storeChatData : storeChatData,
        restoreChatData : restoreChatData,
        getRestoreUserChatStatus : getRestoreUserChatStatus,
        getRestoreMainChatBoxStatus : getRestoreMainChatBoxStatus
  };

}) (PRESENCE, jQuery);