/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



#include "precompiled_sd.hxx"

#include "framework/Pane.hxx"

#include <rtl/uuid.h>
#include <vcl/svapp.hxx>
#include <vos/mutex.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <vcl/window.hxx>
#include <cppcanvas/vclfactory.hxx>

using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::drawing::framework;

using ::rtl::OUString;

namespace sd { namespace framework {

Pane::Pane (
    const Reference<XResourceId>& rxPaneId,
    ::Window* pWindow)
    throw ()
    : PaneInterfaceBase(MutexOwner::maMutex),
      mxPaneId(rxPaneId),
      mpWindow(pWindow),
      mxWindow(VCLUnoHelper::GetInterface(pWindow))
{
}




Pane::~Pane (void) throw()
{
}




void Pane::disposing (void)
{
    mxWindow = NULL;
    mpWindow = NULL;
}




::Window* Pane::GetWindow (void)
{
    if (mxWindow.is())
        return mpWindow;
    else
        return NULL;
}




void Pane::SetWindow (::Window* pWindow)
{
    OSL_TRACE("setting Pane::mpWindow to %x", pWindow);
    mpWindow = pWindow;
    mxWindow = VCLUnoHelper::GetInterface(mpWindow);
}




//----- XPane -----------------------------------------------------------------
    
Reference<awt::XWindow> SAL_CALL Pane::getWindow (void)
    throw (RuntimeException)
{
    ThrowIfDisposed();

    return mxWindow;
}




Reference<rendering::XCanvas> SAL_CALL Pane::getCanvas (void)
    throw (RuntimeException)
{
    ::osl::MutexGuard aGuard (maMutex);
    ThrowIfDisposed();

    if ( ! mxCanvas.is())
        mxCanvas = CreateCanvas();
    
    return mxCanvas;
}




//----- XPane2 ----------------------------------------------------------------

sal_Bool SAL_CALL Pane::isVisible (void)
    throw (RuntimeException)
{
    ThrowIfDisposed();

    const ::Window* pWindow = GetWindow();
    if (pWindow != NULL)
        return pWindow->IsVisible();
    else
        return false;
}




void SAL_CALL Pane::setVisible (sal_Bool bIsVisible)
    throw (RuntimeException)
{
    ThrowIfDisposed();

    ::Window* pWindow = GetWindow();
    if (pWindow != NULL)
        pWindow->Show(bIsVisible);
}




Reference<accessibility::XAccessible> SAL_CALL Pane::getAccessible (void)
    throw (RuntimeException)
{
    ThrowIfDisposed();
    ::Window* pWindow = GetWindow();
    if (pWindow != NULL)
        return pWindow->GetAccessible(sal_False);
    else
        return NULL;
}




void SAL_CALL Pane::setAccessible (
    const Reference<accessibility::XAccessible>& rxAccessible)
    throw (RuntimeException)
{
    ThrowIfDisposed();
    ::Window* pWindow = GetWindow();
    if (pWindow != NULL)
        pWindow->SetAccessible(rxAccessible);
}




//----- XResource -------------------------------------------------------------

Reference<XResourceId> SAL_CALL Pane::getResourceId (void)
    throw (RuntimeException)
{
    ThrowIfDisposed();

    return mxPaneId;
}




sal_Bool SAL_CALL Pane::isAnchorOnly (void)
    throw (RuntimeException)
{
    return true;
}




//----- XUnoTunnel ------------------------------------------------------------

const Sequence<sal_Int8>& Pane::getUnoTunnelId (void)
{
	static Sequence<sal_Int8>* pSequence = NULL;
	if (pSequence == NULL)
	{
        const ::vos::OGuard aSolarGuard (Application::GetSolarMutex());
		if (pSequence == NULL)
		{
			static ::com::sun::star::uno::Sequence<sal_Int8> aSequence (16);
			rtl_createUuid((sal_uInt8*)aSequence.getArray(), 0, sal_True);
			pSequence = &aSequence;
		}
	}
	return *pSequence;
}




sal_Int64 SAL_CALL Pane::getSomething (const Sequence<sal_Int8>& rId)
    throw (RuntimeException)
{    
    sal_Int64 nResult = 0;

    if (rId.getLength() == 16
        && rtl_compareMemory(getUnoTunnelId().getConstArray(), rId.getConstArray(), 16) == 0)
	{
		nResult = reinterpret_cast<sal_Int64>(this);
	}

    return nResult;
}




//-----------------------------------------------------------------------------

Reference<rendering::XCanvas> Pane::CreateCanvas (void)
    throw (RuntimeException)
{
    Reference<rendering::XCanvas> xCanvas;
    
    if (mpWindow != NULL)
    {
        ::cppcanvas::SpriteCanvasSharedPtr pCanvas (
            ::cppcanvas::VCLFactory::getInstance().createSpriteCanvas(*mpWindow));
        if (pCanvas.get() != NULL)
            xCanvas = Reference<rendering::XCanvas>(pCanvas->getUNOSpriteCanvas(), UNO_QUERY);
    }
    
    return xCanvas;
}




void Pane::ThrowIfDisposed (void) const
    throw (lang::DisposedException)
{
	if (rBHelper.bDisposed || rBHelper.bInDispose)
	{
        throw lang::DisposedException (
            ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
                "Pane object has already been disposed")),
            const_cast<uno::XWeak*>(static_cast<const uno::XWeak*>(this)));
    }
}


} } // end of namespace sd::framework