public SlideModel set(int location, SlideModel object) {
SlideModel slide = mSlides.get(location);
if (null != object) {
int removeSize = 0;
int addSize = object.getSlideSize();
if (null != slide) {
removeSize = slide.getSlideSize();
}
if (addSize > removeSize) {
checkMessageSize(addSize - removeSize);
increaseMessageSize(addSize - removeSize);
} else {
decreaseMessageSize(removeSize - addSize);
}
}
slide = mSlides.set(location, object);
if (slide != null) {
slide.unregisterAllModelChangedObservers();
}
if (object != null) {
object.registerModelChangedObserver(this);
for (IModelChangedObserver observer : mModelChangedObservers) {
object.registerModelChangedObserver(observer);
}
}
notifyModelChanged(true);
return slide;
}
public SlideModel remove(int location) {
SlideModel slide = mSlides.remove(location);
if (slide != null) {
decreaseMessageSize(slide.getSlideSize());
slide.unregisterAllModelChangedObservers();
notifyModelChanged(true);
}
return slide;
}
public boolean remove(Object object) {
if ((object != null) && mSlides.remove(object)) {
SlideModel slide = (SlideModel) object;
decreaseMessageSize(slide.getSlideSize());
slide.unregisterAllModelChangedObservers();
notifyModelChanged(true);
return true;
}
return false;
}
public void add(int location, SlideModel object) {
if (object != null) {
int increaseSize = object.getSlideSize();
checkMessageSize(increaseSize);
mSlides.add(location, object);
increaseMessageSize(increaseSize);
object.registerModelChangedObserver(this);
for (IModelChangedObserver observer : mModelChangedObservers) {
object.registerModelChangedObserver(observer);
}
notifyModelChanged(true);
}
}
//
// Implement List<E> interface.
//
public boolean add(SlideModel object) {
int increaseSize = object.getSlideSize();
checkMessageSize(increaseSize);
if ((object != null) && mSlides.add(object)) {
increaseMessageSize(increaseSize);
object.registerModelChangedObserver(this);
for (IModelChangedObserver observer : mModelChangedObservers) {
object.registerModelChangedObserver(observer);
}
notifyModelChanged(true);
return true;
}
return false;
}
private SlideshowModel(
LayoutModel layouts,
ArrayList<SlideModel> slides,
SMILDocument documentCache,
PduBody pbCache,
ContentResolver contentResolver) {
mLayout = layouts;
mSlides = slides;
mContentResolver = contentResolver;
mDocumentCache = documentCache;
mPduBodyCache = pbCache;
for (SlideModel slide : mSlides) {
increaseMessageSize(slide.getSlideSize());
slide.setParent(this);
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_PREVIEW_SLIDESHOW:
previewSlideshow();
break;
case MENU_REMOVE_TEXT:
SlideModel slide = mSlideshowModel.get(mPosition);
if (slide != null) {
slide.removeText();
}
break;
case MENU_ADD_PICTURE:
Intent intent = new Intent(Intent.ACTION_GET_CONTENT, null);
intent.setType(ContentType.IMAGE_UNSPECIFIED);
startActivityForResult(intent, REQUEST_CODE_CHANGE_PICTURE);
break;
case MENU_TAKE_PICTURE:
intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
// We have to pass a uri to store the picture data, otherwise the camera will return
// a very small image bitmap.
intent.putExtra(MediaStore.EXTRA_OUTPUT, TempFileProvider.SCRAP_CONTENT_URI);
startActivityForResult(intent, REQUEST_CODE_TAKE_PICTURE);
break;
case MENU_DEL_PICTURE:
mSlideshowEditor.removeImage(mPosition);
setReplaceButtonText(R.string.add_picture);
break;
case MENU_ADD_AUDIO:
MessageUtils.selectAudio(this, REQUEST_CODE_CHANGE_MUSIC);
break;
case MENU_RECORD_SOUND:
slide = mSlideshowModel.get(mPosition);
int currentSlideSize = slide.getSlideSize();
long sizeLimit =
ComposeMessageActivity.computeAttachmentSizeLimit(mSlideshowModel, currentSlideSize);
MessageUtils.recordSound(this, REQUEST_CODE_RECORD_SOUND, sizeLimit);
break;
case MENU_DEL_AUDIO:
mSlideshowEditor.removeAudio(mPosition);
break;
case MENU_ADD_VIDEO:
intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType(ContentType.VIDEO_UNSPECIFIED);
intent.putExtra(Intent.EXTRA_LOCAL_ONLY, true);
startActivityForResult(intent, REQUEST_CODE_CHANGE_VIDEO);
break;
case MENU_TAKE_VIDEO:
slide = mSlideshowModel.get(mPosition);
currentSlideSize = slide.getSlideSize();
sizeLimit =
ComposeMessageActivity.computeAttachmentSizeLimit(mSlideshowModel, currentSlideSize);
if (sizeLimit > 0) {
MessageUtils.recordVideo(this, REQUEST_CODE_TAKE_VIDEO, sizeLimit);
} else {
Toast.makeText(this, getString(R.string.message_too_big_for_video), Toast.LENGTH_SHORT)
.show();
}
break;
case MENU_DEL_VIDEO:
mSlideshowEditor.removeVideo(mPosition);
break;
case MENU_ADD_SLIDE:
mPosition++;
if (mSlideshowEditor.addNewSlide(mPosition)) {
// add successfully
showCurrentSlide();
} else {
// move position back
mPosition--;
Toast.makeText(this, R.string.cannot_add_slide_anymore, Toast.LENGTH_SHORT).show();
}
break;
case MENU_LAYOUT:
showLayoutSelectorDialog();
break;
case MENU_DURATION:
showDurationDialog();
break;
}
return true;
}