/**
* Set the type of Service to use for the ImageModel implementation.
*
* @param serviceType Type of Service, i.e., STARTED_SERVICE.
*/
public void setServiceType(ImageModel.ServiceType serviceType) {
// Only set the new ServiceType if it's different than the one
// that's already in place.
if (mServiceType != serviceType) {
mServiceType = serviceType;
if (mImageModelImpl != null)
// Destroy the existing implementation, if any.
mImageModelImpl.onDestroy(false);
switch (mServiceType) {
case STARTED_SERVICE:
// Create an implementation that uses a Started
// Service.
mImageModelImpl = new ImageModelImplStartedService();
break;
}
// Initialize the ImageModel implementation.
mImageModelImpl.onCreate(mImagePresenter.get());
}
}
/**
* Start a download. When the download finishes its results are passed up to the Presentation
* layer via the onDownloadComplete() method defined in RequiredPresenterOps.
*
* @param url URL of the image to download.
* @param directoryPathname Uri of the directory to store the downloaded image.
*/
@Override
public void startDownload(Uri url, Uri directoryPathname) {
mImageModelImpl.startDownload(url, directoryPathname);
}
/** Hook method called to shutdown the Presenter layer. */
@Override
public void onDestroy(boolean isChangingConfigurations) {
// Forward the onDestroy().
mImageModelImpl.onDestroy(isChangingConfigurations);
}
