public void handleMessage(Message msg) {
WorkerArgs args = (WorkerArgs) msg.obj;
Uri uri = null;
if (msg.arg1 == EVENT_LOAD_IMAGE) {
PhotoViewTag photoTag = (PhotoViewTag) args.view.getTag(TAG_PHOTO_INFOS);
if (photoTag != null && photoTag.uri != null) {
uri = photoTag.uri;
Log.d(THIS_FILE, "get : " + uri);
Bitmap img = contactsWrapper.getContactPhoto(args.context, uri, args.defaultResource);
if (img != null) {
args.result = img;
} else {
args.result = null;
}
}
} else if (msg.arg1 == EVENT_LOAD_IMAGE_URI) {
PhotoViewTag photoTag = (PhotoViewTag) args.view.getTag(TAG_PHOTO_INFOS);
if (photoTag != null && photoTag.uri != null) {
uri = photoTag.uri;
Log.d(THIS_FILE, "get : " + uri);
byte[] buffer = new byte[1024 * 16];
Bitmap img = null;
try {
InputStream is = args.context.getContentResolver().openInputStream(uri);
if (is != null) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
int size;
while ((size = is.read(buffer)) != -1) {
baos.write(buffer, 0, size);
}
} finally {
is.close();
}
byte[] boasBytes = baos.toByteArray();
img = BitmapFactory.decodeByteArray(boasBytes, 0, boasBytes.length, null);
}
} catch (Exception ex) {
Log.v(THIS_FILE, "Cannot load photo " + uri, ex);
}
if (img != null) {
args.result = img;
} else {
args.result = null;
}
}
}
args.loadedUri = uri;
// send the reply to the enclosing class.
Message reply = ContactsAsyncHelper.this.obtainMessage(msg.what);
reply.arg1 = msg.arg1;
reply.obj = msg.obj;
reply.sendToTarget();
}
public static void updateImageViewWithContactPhotoAsync(
Context context, ImageView imageView, Uri photoUri, int placeholderImageResource) {
if (sThreadHandler == null) {
Log.d(THIS_FILE, "Update image view with contact async");
new ContactsAsyncHelper();
}
// in case the source caller info is null, the URI will be null as well.
// just update using the placeholder image in this case.
if (photoUri == null) {
defaultImage(imageView, placeholderImageResource);
return;
}
if (isAlreadyProcessed(imageView, photoUri)) {
return;
}
// Added additional Cookie field in the callee to handle arguments
// sent to the callback function.
// setup arguments
WorkerArgs args = new WorkerArgs();
args.context = context;
args.view = imageView;
PhotoViewTag photoTag = new PhotoViewTag();
photoTag.uri = photoUri;
args.view.setTag(TAG_PHOTO_INFOS, photoTag);
args.defaultResource = placeholderImageResource;
// setup message arguments
Message msg = sThreadHandler.obtainMessage();
msg.arg1 = EVENT_LOAD_IMAGE_URI;
msg.obj = args;
preloadImage(imageView, placeholderImageResource, msg);
}
/**
* Start an image load, attach the result to the specified CallerInfo object. Note, when the query
* is started, we make the ImageView INVISIBLE if the placeholderImageResource value is -1. When
* we're given a valid (!= -1) placeholderImageResource value, we make sure the image is visible.
*/
public static final void updateImageViewWithContactPhotoAsync(
int token,
OnImageLoadCompleteListener listener,
Object cookie,
Context context,
ImageView imageView,
CallerInfo callerInfo,
int placeholderImageResource) {
if (sThreadHandler == null) {
Log.d(THIS_FILE, "Update image view with contact async");
new ContactsAsyncHelper();
}
// in case the source caller info is null, the URI will be null as well.
// just update using the placeholder image in this case.
if (callerInfo == null || callerInfo.contactContentUri == null) {
defaultImage(imageView, placeholderImageResource);
return;
}
// Check that the view is not already loading for same uri
if (isAlreadyProcessed(imageView, callerInfo.contactContentUri)) {
return;
}
// Added additional Cookie field in the callee to handle arguments
// sent to the callback function.
// setup arguments
WorkerArgs args = new WorkerArgs();
args.cookie = cookie;
args.context = context;
args.view = imageView;
PhotoViewTag photoTag = new PhotoViewTag();
photoTag.uri = callerInfo.contactContentUri;
args.view.setTag(TAG_PHOTO_INFOS, photoTag);
args.defaultResource = placeholderImageResource;
args.listener = listener;
// setup message arguments
Message msg = sThreadHandler.obtainMessage(token);
msg.arg1 = EVENT_LOAD_IMAGE;
msg.obj = args;
preloadImage(imageView, placeholderImageResource, msg);
}
