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/**************************************************************
*
* 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.
*
*************************************************************/
#ifndef SD_TOOLPANEL_CONTROLS_MASTER_PAGE_CONTAINER_FILLER_HXX
#define SD_TOOLPANEL_CONTROLS_MASTER_PAGE_CONTAINER_FILLER_HXX
#include "MasterPageContainer.hxx"
#include "MasterPageDescriptor.hxx"
#include "tools/AsynchronousTask.hxx"
namespace sd {
class TemplateScanner;
class TemplateEntry;
}
namespace sd { namespace toolpanel { namespace controls {
/** Fill a MasterPageContainer with information about the available master
pages. These are provided by one default page and from the existing
Impress templates. This is done asynchronously.
*/
class MasterPageContainerFiller
: public ::sd::tools::AsynchronousTask
{
public:
class ContainerAdapter
{
public:
virtual MasterPageContainer::Token PutMasterPage (
const SharedMasterPageDescriptor& rpDescriptor) = 0;
/** This method is called when all Impress templates have been added
to the container via the PutMasterPage() method.
*/
virtual void FillingDone (void) = 0;
};
MasterPageContainerFiller (ContainerAdapter& rContainerAdapter);
virtual ~MasterPageContainerFiller (void);
/** Run the next step of the task. After HasNextStep() returns false
this method should ignore further calls.
*/
virtual void RunNextStep (void);
/** Return <TRUE/> when there is at least one more step to execute.
When the task has been executed completely then <FALSE/> is
returned.
*/
virtual bool HasNextStep (void);
private:
ContainerAdapter& mrContainerAdapter;
// Remember what the next step has to do.
enum State {
INITIALIZE_TEMPLATE_SCANNER,
SCAN_TEMPLATE,
ADD_TEMPLATE,
ERROR,
DONE
} meState;
::std::auto_ptr<TemplateScanner> mpScannerTask;
const TemplateEntry* mpLastAddedEntry;
int mnIndex;
State ScanTemplate (void);
State AddTemplate (void);
};
} } } // end of namespace ::sd::toolpanel::controls
#endif
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