sd/source/ui/presenter/PresenterPreviewCache.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef SD_PRESENTER_PRESENTER_PREVIEW_CACHE_HXX
  21 #define SD_PRESENTER_PRESENTER_PREVIEW_CACHE_HXX
  22
  23 #include <com/sun/star/drawing/XSlidePreviewCache.hpp>
  24 #include <com/sun/star/lang/XInitialization.hpp>
  25 #include <com/sun/star/uno/XComponentContext.hpp>
  26 #include "cache/SlsPageCache.hxx"
  27 #include <cppuhelper/compbase2.hxx>
  28 #include <cppuhelper/basemutex.hxx>
  29 #include <boost/noncopyable.hpp>
  30 #include <boost/shared_ptr.hpp>
  31
  32 namespace sd { namespace presenter {
  33
  34 namespace {
  35     typedef ::cppu::WeakComponentImplHelper2<
  36         css::lang::XInitialization,
  37         css::drawing::XSlidePreviewCache
  38     > PresenterPreviewCacheInterfaceBase;
  39 }
  40
  41 /** Uno API wrapper around the slide preview cache.
  42 */
  43 class PresenterPreviewCache
  44     : private ::boost::noncopyable,
  45       private ::cppu::BaseMutex,
  46       public PresenterPreviewCacheInterfaceBase
  47 {
  48 public:
  49     PresenterPreviewCache (const css::uno::Reference<css::uno::XComponentContext>& rxContext);
  50     virtual ~PresenterPreviewCache (void);
  51
  52     // XInitialize
  53
  54     /** Accepts no arguments.  All values that are necessary to set up a
  55         preview cache can be provided via methods.
  56     */
  57     virtual void SAL_CALL initialize (const css::uno::Sequence<css::uno::Any>& rArguments)
  58         throw(css::uno::Exception,css::uno::RuntimeException);
  59
  60
  61     // XSlidePreviewCache
  62
  63     virtual void SAL_CALL setDocumentSlides (
  64         const css::uno::Reference<css::container::XIndexAccess>& rxSlides,
  65         const css::uno::Reference<css::uno::XInterface>& rxDocument)
  66         throw (css::uno::RuntimeException);
  67
  68     virtual void SAL_CALL setVisibleRange (
  69         sal_Int32 nFirstVisibleSlideIndex,
  70         sal_Int32 nLastVisibleSlideIndex)
  71         throw (css::uno::RuntimeException);
  72
  73     virtual void SAL_CALL setPreviewSize (
  74         const css::geometry::IntegerSize2D& rSize)
  75         throw (css::uno::RuntimeException);
  76
  77     virtual css::uno::Reference<css::rendering::XBitmap> SAL_CALL
  78         getSlidePreview (
  79             sal_Int32 nSlideIndex,
  80             const css::uno::Reference<css::rendering::XCanvas>& rxCanvas)
  81         throw (css::uno::RuntimeException);
  82
  83     virtual void SAL_CALL addPreviewCreationNotifyListener (
  84         const css::uno::Reference<css::drawing::XSlidePreviewCacheListener>& rxListener)
  85         throw (css::uno::RuntimeException);
  86
  87     virtual void SAL_CALL removePreviewCreationNotifyListener (
  88         const css::uno::Reference<css::drawing::XSlidePreviewCacheListener>& rxListener)
  89         throw (css::uno::RuntimeException);
  90
  91     virtual void SAL_CALL pause (void)
  92         throw (css::uno::RuntimeException);
  93
  94     virtual void SAL_CALL resume (void)
  95         throw (css::uno::RuntimeException);
  96
  97 private:
  98     css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
  99     class PresenterCacheContext;
 100     Size maPreviewSize;
 101     ::boost::shared_ptr<PresenterCacheContext> mpCacheContext;
 102     ::boost::shared_ptr<sd::slidesorter::cache::PageCache> mpCache;
 103
 104     /** This method throws a DisposedException when the object has already been
 105         disposed.
 106     */
 107     void ThrowIfDisposed (void) throw (css::lang::DisposedException);
 108 };
 109
 110 } } // end of namespace ::sd::presenter
 111
 112 #endif
 113
 114 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */