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Diffstat (limited to 'list.c')
| -rw-r--r-- | list.c | 221 |
1 files changed, 221 insertions, 0 deletions
@@ -0,0 +1,221 @@ +/* + * Image plugin to VDR (C++) + * + * (C) 2004 A. Brachold <vdr04-at-deltab.de> + * + * This code is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This code 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Or, point your browser to http://www.gnu.org/copyleft/gpl.html + */ + +#include <string.h> + +#include "list.h" +#include "data-image.h" +#include "setup-image.h" + +#include <vdr/tools.h> + +cActivSlideShow theSlideShow; + +cActivSlideShow::cActivSlideShow() +: m_pCurSlideShow(NULL) +, m_nCurrentImage(0) +, m_nTotalImages(0) +, m_pCurImage(NULL) +{ + +} + +void cActivSlideShow::Remove(cFileSource* src){ + + if(m_pCurSlideShow) { + cImage* p = m_pCurSlideShow->cList < cImage >::First(); + while (p) { + if(p->CompareBaseDir(src)) { + bool bRemoveCurrent = (m_pCurImage == p); + m_pCurSlideShow->cList < cImage >::Del(p); + p = m_pCurSlideShow->cList < cImage >::First(); + if(bRemoveCurrent) { + m_nCurrentImage = 1; + m_pCurImage = p; + } + } else { + p = m_pCurSlideShow->cList < cImage >::Next(p); + } + } + m_nTotalImages = m_pCurSlideShow->cList < cImage >::Count(); + } +} + +void cActivSlideShow::Assign(cSlideShow *pCurSlideShow) +{ + Shutdown(); + m_nCurrentImage = 0; + m_nTotalImages = 0; + m_pCurSlideShow = pCurSlideShow; + if(m_pCurSlideShow) { + + m_nTotalImages = m_pCurSlideShow->Count(); + // get real Index of FirstImage + unsigned int i = 0; + bool bFound = false; + if(m_pCurSlideShow->FirstImage()) { + + cImage* p = m_pCurSlideShow->cList < cImage >::First(); + + for (;p && i < m_nTotalImages; ++i) { + // find out first image + if(0 == strcmp(::basename(p->Name()),m_pCurSlideShow->FirstImage())) { + m_pCurImage = p; + bFound = true; + break; + } + p = m_pCurSlideShow->cList < cImage >::Next(p); + } + } + if(bFound) { + m_nCurrentImage = i+1; + } + else { + m_pCurImage = m_pCurSlideShow->cList < cImage >::First(); + m_nCurrentImage = 1; + } + } +} + +void cActivSlideShow::Shutdown(void) +{ + if(m_pCurSlideShow) { + delete m_pCurSlideShow; + m_pCurSlideShow = 0; + m_pCurImage = 0; + m_nCurrentImage = 0; + m_nTotalImages = 0; + } +} + +cSlideShow *cActivSlideShow::SlideShow(void) +{ + return m_pCurSlideShow; +} + + +cImage* cActivSlideShow::GetImage() +{ + return m_pCurSlideShow?m_pCurImage:NULL; +} + + +bool cActivSlideShow::NextImage(int nOffset) +{ + if(m_pCurImage && m_nCurrentImage < m_nTotalImages) { + cImage *pNewActiv; + for (int i = 0; (i < nOffset) && (m_nCurrentImage < m_nTotalImages); ++i) { + pNewActiv = m_pCurSlideShow->cList < cImage >::Next(m_pCurImage); + m_pCurImage = pNewActiv; + ++m_nCurrentImage; + } + return m_pCurImage != NULL; + } + else if(ImageSetup.AutoRepeat) { + cImage *pNewActiv; + + pNewActiv = m_pCurSlideShow->cList < cImage >::First(); + m_pCurImage = pNewActiv; + m_nCurrentImage = 1; + + return m_pCurImage != NULL; + } + return false; +} + + + +bool cActivSlideShow::PrevImage(int nOffset) +{ + if(m_pCurImage && m_nCurrentImage > 1) { + cImage *pNewActiv; + + for (int i = 0; (i < nOffset) && (m_nCurrentImage > 1); ++i) { + pNewActiv = m_pCurSlideShow->cList < cImage >::Prev(m_pCurImage); + m_pCurImage = pNewActiv; + --m_nCurrentImage; + } + return m_pCurImage != NULL; + } + else if(ImageSetup.AutoRepeat) { + cImage *pNewActiv; + + pNewActiv = m_pCurSlideShow->cList < cImage >::Last(); + m_pCurImage = pNewActiv; + m_nCurrentImage = m_nTotalImages; + return m_pCurImage != NULL; + } + return false; +} + + +bool cActivSlideShow::GotoImage(unsigned int nNewPictureIndex) +{ + if(m_pCurImage && nNewPictureIndex > 0 && nNewPictureIndex < m_nTotalImages) { + cImage *pNewActiv; + pNewActiv = m_pCurSlideShow->cList < cImage >::First(); + m_pCurImage = pNewActiv; + m_nCurrentImage = 0; + for (unsigned int i = 0; i < nNewPictureIndex; ++i) { + pNewActiv = m_pCurSlideShow->cList < cImage >::Next(m_pCurImage); + m_pCurImage = pNewActiv; + ++m_nCurrentImage; + } + return m_pCurImage != NULL; + } + return false; +} + +int cActivSlideShow::GetJumpNames(int nOffset,cImage* pImage[],const unsigned int nMAX_BILDER) +{ + unsigned int i; + cImage *pNewActiv; + int nBilder = 0; + + if(m_pCurImage && m_nCurrentImage > 0) { + + int nJumpFirst = m_nCurrentImage + nOffset; + + if(nJumpFirst > ((int)(m_nTotalImages - nMAX_BILDER + 1))) + nJumpFirst = ((int)(m_nTotalImages - nMAX_BILDER + 1)); + if(nJumpFirst < 1) + nJumpFirst = 1; + + m_nCurrentImage = nJumpFirst; + if(m_nCurrentImage > m_nTotalImages) + m_nCurrentImage = m_nTotalImages; + if(m_nCurrentImage < 1) + m_nCurrentImage = 1; + + pNewActiv = m_pCurSlideShow->cList < cImage >::First(); + for (int n = 1; n < nJumpFirst && pNewActiv; ++n) + pNewActiv = m_pCurSlideShow->cList < cImage >::Next(pNewActiv); + for (i = 0; (i < nMAX_BILDER) && ((nJumpFirst + i) <= m_nTotalImages) && pNewActiv; ++i,++nBilder) { + + pImage[i] = pNewActiv; + dsyslog("imageplugin: File%d: %s", i, pNewActiv->Name()); + if((nJumpFirst + i) == m_nCurrentImage) + m_pCurImage = pNewActiv; + pNewActiv = m_pCurSlideShow->cList < cImage >::Next(pNewActiv); + } + } + return nBilder; +} |