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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* 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
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef SD_SLIDESORTER_SLIDE_SORTER_MODEL_HXX
#define SD_SLIDESORTER_SLIDE_SORTER_MODEL_HXX
class SdDrawDocument;
#include "model/SlsPageEnumeration.hxx"
#include "model/SlsSharedPageDescriptor.hxx"
#include "pres.hxx"
#include <com/sun/star/drawing/XDrawPage.hpp>
#include <osl/mutex.hxx>
#include <memory>
#include <vector>
#include <functional>
namespace css = ::com::sun::star;
namespace sd { namespace slidesorter {
class SlideSorter;
} }
namespace sd { namespace slidesorter { namespace controller {
class PageObjectFactory;
} } }
namespace sd { namespace slidesorter { namespace model {
class DocumentPageContainer;
/** The model of the slide sorter gives access to the slides that are to be
displayed in the slide sorter view. Via the SetDocumentSlides() method
this set of slides can be modified (but do not call it directly, use
SlideSorterController::SetDocumentSlides() instead.)
*/
class SlideSorterModel
{
public:
SlideSorterModel (SlideSorter& rSlideSorter);
virtual ~SlideSorterModel (void);
/** This method is present to let the view create a ShowView for
displaying slides.
*/
SdDrawDocument* GetDocument (void);
/** Set a new edit mode and return whether the edit mode really
has been changed. When the edit mode is changed then the
previous page descriptor list is replaced by a new one which
has to be repainted.
@return
A return value of <TRUE/> indicates that the edit mode has
changed and thus the page descriptor list has been set up
to reflect that change. A repaint is necessary.
*/
bool SetEditMode (EditMode eEditMode);
EditMode GetEditMode (void) const;
PageKind GetPageType (void) const;
/** Return the number of slides in the document regardless of whether
they are visible or not or whether they are hidden or not.
The number of slides depends on the set of slides available through
the XIndexAccess given to SetDocumentSlides().
*/
sal_Int32 GetPageCount (void) const;
/** Return a page descriptor for the page with the specified index.
Page descriptors are created on demand. The page descriptor is
found (or not found) in constant time.
@param nPageIndex
The index of the requested slide. The valid values
are 0 to GetPageCount()-1.
@param bCreate
When <TRUE/> and the requested page descriptor is missing then
it is created. When <FALSE/> then an empty reference is
returned for missing descriptors.
@return
When the given index is not valid, i.e. lower then zero or
larger than or equal to the number of pages then an empty
reference is returned. Note that the page count may change
between calls to GetPageCount() and GetPageDescriptor().
*/
SharedPageDescriptor GetPageDescriptor (
const sal_Int32 nPageIndex,
const bool bCreate = true) const;
/** Return a page descriptor for the given XDrawPage. Page descriptors
are created on demand. The page descriptor is found (or not found)
in (at most) linear time. Note that all page descriptors in front of
the one associated with the given XDrawPage are created when not yet
present. When the XDrawPage is not found then all descriptors are
created.
@return
Returns the index to the requested page descriptor or -1 when
there is no such page descriptor.
*/
sal_Int32 GetIndex (
const ::com::sun::star::uno::Reference<com::sun::star::drawing::XDrawPage>& rxSlide) const;
/** Call this method after the document has changed its structure. This
will get the model in sync with the SdDrawDocument. This method
tries not to throw away to much information already gathered. This
is especially important for previews of complex pages that take some
time to create.
*/
void Resync (void);
/** Delete all descriptors that currently are in the container. The size
of the container, however, is not altered. Use the AdaptSize
method for that.
*/
void ClearDescriptorList (void);
/** Set the selection of the document to exactly that of the called model.
*/
void SynchronizeDocumentSelection (void);
/** Replace the factory for the creation of the page objects and
contacts with the given object. The old factory is destroyed.
*/
void SetPageObjectFactory(
::std::auto_ptr<controller::PageObjectFactory> pPageObjectFactory);
/** Return the page object factory. It none has been set so far or it
has been reset, then a new one is created.
*/
const controller::PageObjectFactory& GetPageObjectFactory (void) const;
/** Return the mutex so that the caller can lock it and then safely
access the model.
*/
::osl::Mutex& GetMutex (void);
/** Set the XIndexAccess from which the called SlideSorterModel takes
its pages.
@param rxSlides
The set of slides accessible through this XIndexAccess are not
necessarily the same as the ones of the XModel of the
XController (although it typically is a subset).
*/
void SetDocumentSlides (const css::uno::Reference<css::container::XIndexAccess>& rxSlides);
/** Return the set of pages that is currently displayed by the slide sorter.
*/
css::uno::Reference<css::container::XIndexAccess> GetDocumentSlides (void) const;
/** This method is called when the edit mode has changed. It calls
SetDocumentSlides() with the set of slides or master pages obtained
from the model of the XController.
*/
void UpdatePageList (void);
private:
mutable ::osl::Mutex maMutex;
SlideSorter& mrSlideSorter;
::com::sun::star::uno::Reference<com::sun::star::container::XIndexAccess> mxSlides;
PageKind mePageKind;
EditMode meEditMode;
typedef ::std::vector<SharedPageDescriptor> DescriptorContainer;
mutable DescriptorContainer maPageDescriptors;
mutable ::std::auto_ptr<controller::PageObjectFactory> mpPageObjectFactory;
/** Resize the descriptor container according to current values of
page kind and edit mode.
*/
void AdaptSize (void);
};
} } } // end of namespace ::sd::slidesorter::model
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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