public static SlideshowModel createFromPduBody(Context context, PduBody pb) throws MmsException {
    SMILDocument document = SmilHelper.getDocument(pb);

    // Create root-layout model.
    SMILLayoutElement sle = document.getLayout();
    SMILRootLayoutElement srle = sle.getRootLayout();
    int w = srle.getWidth();
    int h = srle.getHeight();
    if ((w == 0) || (h == 0)) {
      w = LayoutManager.getInstance().getLayoutParameters().getWidth();
      h = LayoutManager.getInstance().getLayoutParameters().getHeight();
      srle.setWidth(w);
      srle.setHeight(h);
    }
    RegionModel rootLayout = new RegionModel(null, 0, 0, w, h);

    // Create region models.
    ArrayList<RegionModel> regions = new ArrayList<RegionModel>();
    NodeList nlRegions = sle.getRegions();
    int regionsNum = nlRegions.getLength();

    for (int i = 0; i < regionsNum; i++) {
      SMILRegionElement sre = (SMILRegionElement) nlRegions.item(i);
      RegionModel r =
          new RegionModel(
              sre.getId(),
              sre.getFit(),
              sre.getLeft(),
              sre.getTop(),
              sre.getWidth(),
              sre.getHeight(),
              sre.getBackgroundColor());
      regions.add(r);
    }
    LayoutModel layouts = new LayoutModel(rootLayout, regions);

    // Create slide models.
    SMILElement docBody = document.getBody();
    NodeList slideNodes = docBody.getChildNodes();
    int slidesNum = slideNodes.getLength();
    ArrayList<SlideModel> slides = new ArrayList<SlideModel>(slidesNum);

    for (int i = 0; i < slidesNum; i++) {
      // FIXME: This is NOT compatible with the SMILDocument which is
      // generated by some other mobile phones.
      SMILParElement par = (SMILParElement) slideNodes.item(i);

      // Create media models for each slide.
      NodeList mediaNodes = par.getChildNodes();
      int mediaNum = mediaNodes.getLength();
      ArrayList<MediaModel> mediaSet = new ArrayList<MediaModel>(mediaNum);

      for (int j = 0; j < mediaNum; j++) {
        SMILMediaElement sme = (SMILMediaElement) mediaNodes.item(j);
        try {
          MediaModel media = MediaModelFactory.getMediaModel(context, sme, layouts, pb);
          SmilHelper.addMediaElementEventListeners((EventTarget) sme, media);
          mediaSet.add(media);
        } catch (DrmException e) {
          Log.e(TAG, e.getMessage(), e);
        } catch (IOException e) {
          Log.e(TAG, e.getMessage(), e);
        } catch (IllegalArgumentException e) {
          Log.e(TAG, e.getMessage(), e);
        }
      }

      SlideModel slide = new SlideModel((int) (par.getDur() * 1000), mediaSet);
      slide.setFill(par.getFill());
      SmilHelper.addParElementEventListeners((EventTarget) par, slide);
      slides.add(slide);
    }

    SlideshowModel slideshow =
        new SlideshowModel(layouts, slides, document, pb, context.getContentResolver());
    slideshow.registerModelChangedObserver(slideshow);
    return slideshow;
  }