RWebBrowserImp.cxx

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// Author: Sergey Linev <S.Linev@gsi.de>
// Date: 2021-02-11
// Warning: This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback is welcome!
 
/*************************************************************************
 * Copyright (C) 1995-2021, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#include <ROOT/RWebBrowserImp.hxx>
 
#include "TROOT.h"
#include "TSeqCollection.h" // needed in gROOT->GetListOfFiles()->FindObject
#include "TEnv.h"
 
#include <iostream>
 
using namespace ROOT;
 
////////////////////////////////////////////////////////////////////////////////////////
/// Default constructor
 
RWebBrowserImp::RWebBrowserImp(TBrowser *b) : TBrowserImp(b)
{
   ShowWarning();
 
   fWebBrowser = std::make_shared<RBrowser>();
   fWebBrowser->AddTCanvas();
}
 
////////////////////////////////////////////////////////////////////////////////////////
/// Constructor with width and height parameters
 
RWebBrowserImp::RWebBrowserImp(TBrowser *b, const char *title, UInt_t width, UInt_t height, Option_t *opt) : TBrowserImp(b,title, width, height, opt)
{
   ShowWarning();
 
   fWidth = width;
   fHeight = height;
   fWebBrowser = std::make_shared<RBrowser>();
   fWebBrowser->AddTCanvas();
}
 
////////////////////////////////////////////////////////////////////////////////////////
/// Constructor with x,y, width and height parameters
 
RWebBrowserImp::RWebBrowserImp(TBrowser *b, const char *title, Int_t x, Int_t y, UInt_t width, UInt_t height, Option_t *opt) : TBrowserImp(b,title, x, y, width, height, opt)
{
   ShowWarning();
 
   fX = x;
   fY = y;
   fWidth = width;
   fHeight = height;
   fWebBrowser = std::make_shared<RBrowser>();
   fWebBrowser->AddTCanvas();
}
 
////////////////////////////////////////////////////////////////////////////////////////
/// Constructor with width and height parameters
 
RWebBrowserImp::~RWebBrowserImp()
{
}
 
////////////////////////////////////////////////////////////////////////////////////////
/// Show warning that RBrowser will be shown
 
void RWebBrowserImp::ShowWarning()
{
   static bool show_warn = true;
   if (!show_warn)
      return;
 
   TString value = gEnv->GetValue("WebGui.Warning", "yes");
   if ((value != "yes") && (value != "1"))
      return;
 
   show_warn = false;
 
   std::cout << "\n"
                "ROOT comes with a web-based browser, which is now being started. \n"
                "Revert to TBrowser by setting \"Browser.Name: TRootBrowser\" in rootrc file or\n"
                "by starting \"root --web=off\"\n"
                "Find more info on https://root.cern/for_developers/root7/#rbrowser\n";
}
 
////////////////////////////////////////////////////////////////////////////////////////
/// Iconify browser
 
void RWebBrowserImp::Iconify()
{
}
 
////////////////////////////////////////////////////////////////////////////////////////
/// Refresh browser
 
void RWebBrowserImp::Refresh(Bool_t)
{
}
 
////////////////////////////////////////////////////////////////////////////////////////
/// Show browser
 
void RWebBrowserImp::Show()
{
   fWebBrowser->Show();
}
 
 
////////////////////////////////////////////////////////////////////////////////////////
/// Browse specified object
 
void RWebBrowserImp::BrowseObj(TObject *obj)
{
   if (obj == gROOT) return;
 
   if (gROOT->GetListOfFiles()->FindObject(obj))
      fWebBrowser->SetWorkingPath("ROOT Files");
}
 
////////////////////////////////////////////////////////////////////////////////////////
/// Factory method to create RWebBrowserImp via plugin
 
TBrowserImp *RWebBrowserImp::NewBrowser(TBrowser *b, const char *title, UInt_t width, UInt_t height, Option_t *opt)
{
   return new RWebBrowserImp(b, title, width, height, opt);
}
 
////////////////////////////////////////////////////////////////////////////////////////
/// Factory method to create RWebBrowserImp via plugin
 
TBrowserImp *RWebBrowserImp::NewBrowser(TBrowser *b, const char *title, Int_t x, Int_t y, UInt_t width, UInt_t height, Option_t *opt)
{
   return new RWebBrowserImp(b, title, x, y, width, height, opt);
}