libreoffice/configmgr2/source/childaccess.cxx

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* Copyright 2009 by Sun Microsystems, Inc.
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#include "precompiled_configmgr.hxx"
#include "sal/config.h"

#include "com/sun/star/uno/RuntimeException.hpp"
#include "com/sun/star/uno/Sequence.hxx"
#include "cppuhelper/implbase1.hxx"
#include "osl/diagnose.h"
#include "rtl/ref.hxx"
#include "rtl/uuid.h"
#include "sal/types.h"

#include "access.hxx"
#include "childaccess.hxx"
#include "node.hxx"
#include "rootaccess.hxx"

namespace configmgr {

namespace {

namespace css = com::sun::star;

}

css::uno::Sequence< sal_Int8 > ChildAccess::getTunnelId() {
    static css::uno::Sequence< sal_Int8 > id;
    if (id.getLength() == 0) {
        css::uno::Sequence< sal_Int8 > uuid(16);
        rtl_createUuid(
            reinterpret_cast< sal_uInt8 * >(uuid.getArray()), 0, false);
        id = uuid;
    }
    return id;
}

ChildAccess::ChildAccess(
    RootAccess * root, Access * parent, rtl::Reference< Node > const & node):
    root_(root), parent_(parent), node_(node)
{
    OSL_ASSERT(root != 0 && parent != 0 && node.is());
}

ChildAccess::ChildAccess(
    rtl::Reference< RootAccess > const & root,
    rtl::Reference< Node > const & node):
    root_(root.get()), acquiredRoot_(root), parent_(0), node_(node)
{
    OSL_ASSERT(root.is() && node.is());
}

rtl::Reference< Node > ChildAccess::getNode() {
    return node_;
}

rtl::Reference< RootAccess > ChildAccess::getRoot() {
    return root_;
}

Access * ChildAccess::getParentAccess() const {
    return parent_;
}

void ChildAccess::bind(RootAccess * root, Access * parent) throw () {
    OSL_ASSERT(acquiredRoot_.is());
    acquiredRoot_.clear();
    root_ = root;
    parent_ = parent;
}

void ChildAccess::unbind() throw () {
    OSL_ASSERT(!acquiredRoot_.is());
    acquiredRoot_ = root_;
    parent_ = 0;
}

ChildAccess::~ChildAccess() {}

sal_Int64 ChildAccess::getSomething(
    css::uno::Sequence< sal_Int8 > const & aIdentifier)
    throw (css::uno::RuntimeException)
{
    return aIdentifier == getTunnelId()
        ? reinterpret_cast< sal_Int64 >(this) : 0;
}

}