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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: ToolPanelModule.cxx,v $
 * $Revision: 1.4 $
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
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#include "precompiled_sd.hxx"

#include "ToolPanelModule.hxx"
#include "ReadOnlyModeObserver.hxx"
#include "framework/FrameworkHelper.hxx"

#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/drawing/framework/XControllerManager.hpp>

#include <comphelper/processfactory.hxx>
#include <cppuhelper/compbase1.hxx>
#include <boost/enable_shared_from_this.hpp>

using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::drawing::framework;
using ::rtl::OUString;
using ::sd::framework::FrameworkHelper;


namespace sd { namespace framework {

namespace {

typedef ::cppu::WeakComponentImplHelper1 <
      ::com::sun::star::frame::XStatusListener
    > LocalReadOnlyModeObserverInterfaceBase;

/** This local class enables or disables the ResourceManager of a
    ToolPanelModule.  It connects to a ReadOnlyModeObserver and is called
    when the state of the .uno:EditDoc command changes.  When either the
    ResourceManager or the ReadOnlyModeObserver are disposed then the
    LocalReadOnlyModeObserver disposes itself.  The link
    between the ResourceManager and the ReadOnlyModeObserver is removed and
    the ReadOnlyModeObserver typically looses its last reference and is
    destroyed.
*/
class LocalReadOnlyModeObserver
    : private MutexOwner,
      public LocalReadOnlyModeObserverInterfaceBase
{
public:
    LocalReadOnlyModeObserver (
        const Reference<frame::XController>& rxController,
        const ::rtl::Reference<ResourceManager>& rpResourceManager)
        : MutexOwner(),
          LocalReadOnlyModeObserverInterfaceBase(maMutex),
          mpResourceManager(rpResourceManager),
          mpObserver(new ReadOnlyModeObserver(rxController))
    {
        mpObserver->AddStatusListener(this);

        Reference<lang::XComponent> xComponent (
            static_cast<XWeak*>(mpResourceManager.get()), UNO_QUERY);
        if (xComponent.is())
            xComponent->addEventListener(this);
    }

    ~LocalReadOnlyModeObserver (void)
    {
    }

    virtual void SAL_CALL disposing (void)
    {
        Reference<lang::XComponent> xComponent (static_cast<XWeak*>(mpObserver.get()), UNO_QUERY);
        if (xComponent.is())
            xComponent->dispose();

        xComponent = Reference<lang::XComponent>(
            static_cast<XWeak*>(mpResourceManager.get()), UNO_QUERY);
        if (xComponent.is())
            xComponent->removeEventListener(this);

    }

    virtual void SAL_CALL disposing (const com::sun::star::lang::EventObject& rEvent)
        throw(RuntimeException)
    {
        if (rEvent.Source == Reference<XInterface>(static_cast<XWeak*>(mpObserver.get())))
        {
            mpObserver = NULL;
        }
        else if (rEvent.Source == Reference<XInterface>(
            static_cast<XWeak*>(mpResourceManager.get())))
        {
            mpResourceManager = NULL;
        }
        dispose();
    }

    virtual void SAL_CALL statusChanged (const com::sun::star::frame::FeatureStateEvent& rEvent)
        throw(RuntimeException)
    {
        bool bReadWrite (true);
        if (rEvent.IsEnabled)
            rEvent.State >>= bReadWrite;

        if (bReadWrite)
            mpResourceManager->Enable();
        else
            mpResourceManager->Disable();
    }

private:
    ::rtl::Reference<ResourceManager> mpResourceManager;
    ::rtl::Reference<ReadOnlyModeObserver> mpObserver;

};
}




//===== ToolPanelModule ====================================================

void ToolPanelModule::Initialize (const Reference<frame::XController>& rxController)
{
    ::rtl::Reference<ResourceManager> pResourceManager (
        new ResourceManager(
            rxController,
            FrameworkHelper::CreateResourceId(
                FrameworkHelper::msTaskPaneURL,
                FrameworkHelper::msRightPaneURL)));
    pResourceManager->AddActiveMainView(FrameworkHelper::msImpressViewURL);
    pResourceManager->AddActiveMainView(FrameworkHelper::msNotesViewURL);
    pResourceManager->AddActiveMainView(FrameworkHelper::msHandoutViewURL);
    pResourceManager->AddActiveMainView(FrameworkHelper::msSlideSorterURL);

    new LocalReadOnlyModeObserver(rxController, pResourceManager);
}




} } // end of namespace sd::framework