dp_managerfac.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#include "dp_manager.h"
#include <dp_resource.h>
#include <dp_services.hxx>
#include <cppuhelper/compbase.hxx>
#include <comphelper/servicedecl.hxx>
#include <com/sun/star/deployment/thePackageManagerFactory.hpp>
#include <unordered_map>

using namespace ::dp_misc;
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;

namespace dp_manager {
namespace factory {

typedef ::cppu::WeakComponentImplHelper<
    deployment::XPackageManagerFactory > t_pmfac_helper;


class PackageManagerFactoryImpl : private MutexHolder, public t_pmfac_helper
{
    Reference<XComponentContext> m_xComponentContext;

    Reference<deployment::XPackageManager> m_xUserMgr;
    Reference<deployment::XPackageManager> m_xSharedMgr;
    Reference<deployment::XPackageManager> m_xBundledMgr;
    Reference<deployment::XPackageManager> m_xTmpMgr;
    Reference<deployment::XPackageManager> m_xBakMgr;
    typedef std::unordered_map<
        OUString, WeakReference<deployment::XPackageManager> > t_string2weakref;
    t_string2weakref m_managers;

protected:
    inline void check();
    virtual void SAL_CALL disposing() override;

public:
    explicit PackageManagerFactoryImpl(
        Reference<XComponentContext> const & xComponentContext );

    // XPackageManagerFactory
    virtual Reference<deployment::XPackageManager> SAL_CALL getPackageManager(
        OUString const & context ) override;
};


namespace sdecl = comphelper::service_decl;
sdecl::class_<PackageManagerFactoryImpl> const servicePMFI;
sdecl::ServiceDecl const serviceDecl(
    servicePMFI,
    // a private one:
    "com.sun.star.comp.deployment.PackageManagerFactory",
    "com.sun.star.comp.deployment.PackageManagerFactory" );


PackageManagerFactoryImpl::PackageManagerFactoryImpl(
    Reference<XComponentContext> const & xComponentContext )
    : t_pmfac_helper( getMutex() ),
      m_xComponentContext( xComponentContext )
{
}

inline void PackageManagerFactoryImpl::check()
{
    ::osl::MutexGuard guard( getMutex() );
    if (rBHelper.bInDispose || rBHelper.bDisposed)
    {
        throw lang::DisposedException(
            "PackageManagerFactory instance has already been disposed!",
            static_cast<OWeakObject *>(this) );
    }
}


void PackageManagerFactoryImpl::disposing()
{
    // dispose all managers:
    ::osl::MutexGuard guard( getMutex() );
    for (auto const& elem : m_managers)
        try_dispose( elem.second );
    m_managers = t_string2weakref();
    // the below are already disposed:
    m_xUserMgr.clear();
    m_xSharedMgr.clear();
    m_xBundledMgr.clear();
    m_xTmpMgr.clear();
    m_xBakMgr.clear();
}

// XPackageManagerFactory

Reference<deployment::XPackageManager>
PackageManagerFactoryImpl::getPackageManager( OUString const & context )
{
    Reference< deployment::XPackageManager > xRet;
    ::osl::ResettableMutexGuard guard( getMutex() );
    check();
    t_string2weakref::const_iterator const iFind( m_managers.find( context ) );
    if (iFind != m_managers.end()) {
        xRet = iFind->second;
        if (xRet.is())
            return xRet;
    }

    guard.clear();
    xRet.set( PackageManagerImpl::create( m_xComponentContext, context ) );
    guard.reset();
    std::pair< t_string2weakref::iterator, bool > insertion(
        m_managers.emplace( context, xRet ) );
    if (insertion.second)
    {
        OSL_ASSERT( insertion.first->second.get() == xRet );
        // hold user, shared mgrs for whole process: live deployment
        if ( context == "user" )
            m_xUserMgr = xRet;
        else if ( context == "shared" )
            m_xSharedMgr = xRet;
        else if ( context == "bundled" )
            m_xBundledMgr = xRet;
        else if ( context == "tmp" )
            m_xTmpMgr = xRet;
        else if ( context == "bak" )
            m_xBakMgr = xRet;
    }
    else
    {
        Reference< deployment::XPackageManager > xAlreadyIn(
            insertion.first->second );
        if (xAlreadyIn.is())
        {
            guard.clear();
            try_dispose( xRet );
            xRet = xAlreadyIn;
        }
        else
        {
            insertion.first->second = xRet;
        }
    }
    return xRet;
}

} // namespace factory
} // namespace dp_manager

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