/**
* Blocks current thread until subject object is released. It should be used to block UI thread
* before the <tt>View</tt> is hidden.
*/
public synchronized void waitForObjectRelease() {
if (providedObject != null) {
try {
logger.info("Waiting for object release... " + hashCode());
this.wait(REMOVAL_TIMEOUT);
if (providedObject != null) {
throw new RuntimeException("Timeout waiting for preview surface removal");
}
logger.info("Object released! " + hashCode());
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
ensureViewDestroyed();
}
/**
* Should be called by consumer to obtain the object. It is causing hidden <tt>View</tt> to be
* displayed and eventually {@link #onObjectCreated(Object)} method to be called which results in
* object creation.
*
* @return provided object.
*/
public synchronized T obtainObject() {
ensureViewCreated();
if (this.providedObject == null) {
try {
logger.info("Waiting for object..." + hashCode());
this.wait(CREATE_TIMEOUT);
if (providedObject == null) {
throw new RuntimeException("Timeout waiting for surface");
}
logger.info("Returning object! " + hashCode());
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
return providedObject;
}