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 * Version 1.1 (the "License"); you may not use this file except in
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 *
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 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is 
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 * Contributor(s):
 *
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 * either the GNU General Public License Version 2 or later (the "GPL"), or 
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#include "nsToolkit.h"
#include "nscore.h"

#include "nsPhWidgetLog.h"

// Set our static member to NULL
PhDrawContext_t   *nsToolkit::mDefaultPhotonDrawContext = nsnull;
PRBool             nsToolkit::mPtInited = PR_FALSE;
//
// Static thread local storage index of the Toolkit 
// object associated with a given thread...
//
static PRUintn gToolkitTLSIndex = 0;

NS_IMPL_ISUPPORTS1(nsToolkit,nsIToolkit);

//-------------------------------------------------------------------------
//
// constructor
//
//-------------------------------------------------------------------------
nsToolkit::nsToolkit()  
{
  NS_INIT_REFCNT();
}


//-------------------------------------------------------------------------
//
// destructor
//
//-------------------------------------------------------------------------
nsToolkit::~nsToolkit()
{
  // Remove the TLS reference to the toolkit...
  PR_SetThreadPrivate(gToolkitTLSIndex, nsnull);
}


//-------------------------------------------------------------------------
//
//
//-------------------------------------------------------------------------
NS_METHOD nsToolkit::Init(PRThread *aThread)
{
  /* Run this only once per application startup */
  if( !mPtInited )
  {
    PtInit( NULL );
    PtChannelCreate(); // Force use of pulses
    mPtInited = PR_TRUE;
  }
  
  if (mDefaultPhotonDrawContext == nsnull)
  {
    mDefaultPhotonDrawContext = PhDCGetCurrent();  
  }
  
  return NS_OK;
}

PhDrawContext_t *nsToolkit::GetDefaultPhotonDrawContext()
{
  if (mDefaultPhotonDrawContext == NULL)
  {
    NS_ASSERTION(mDefaultPhotonDrawContext, "nsToolkit::GetDefaultPhotonDrawContext mDefaultPhotonDrawContext is NULL");
    abort();  
  }

  return nsToolkit::mDefaultPhotonDrawContext;
}

PhPoint_t nsToolkit::GetConsoleOffset( ) {
  PhRect_t  console;
	if( PhWindowQueryVisible( Ph_QUERY_GRAPHICS, 0, 1, &console ) == 0 )
		return(PhPoint_t)  {console.ul.x, console.ul.y};
   return(PhPoint_t)  {0,0};
	}

//-------------------------------------------------------------------------
//
// Return the nsIToolkit for the current thread.  If a toolkit does not
// yet exist, then one will be created...
//
//-------------------------------------------------------------------------
NS_METHOD NS_GetCurrentToolkit(nsIToolkit* *aResult)
{
  nsIToolkit* toolkit = nsnull;
  nsresult rv = NS_OK;
  PRStatus status;

  // Create the TLS index the first time through...
  if (0 == gToolkitTLSIndex) {
    status = PR_NewThreadPrivateIndex(&gToolkitTLSIndex, NULL);
    if (PR_FAILURE == status) {
      rv = NS_ERROR_FAILURE;
    }
  }

  if (NS_SUCCEEDED(rv)) {
    toolkit = (nsIToolkit*)PR_GetThreadPrivate(gToolkitTLSIndex);

    //
    // Create a new toolkit for this thread...
    //
    if (!toolkit) {
      toolkit = new nsToolkit();

      if (!toolkit) {
        rv = NS_ERROR_OUT_OF_MEMORY;
      } else {
        NS_ADDREF(toolkit);
        toolkit->Init(PR_GetCurrentThread());
        //
        // The reference stored in the TLS is weak.  It is removed in the
        // nsToolkit destructor...
        //
        PR_SetThreadPrivate(gToolkitTLSIndex, (void*)toolkit);
      }
    } else {
      NS_ADDREF(toolkit);
    }
    *aResult = toolkit;
  }

  return rv;
}