/**
* Hook method called when a new instance of PalantiriPresenter is created. One time
* initialization code goes here, e.g., storing a WeakReference to the View layer and initializing
* the Model layer.
*
* @param view A reference to the View layer.
*/
@Override
public void onCreate(MVP.RequiredViewOps view) {
// Set the WeakReference.
mView = new WeakReference<>(view);
// Invoke the special onCreate() method in GenericPresenter,
// passing in the PalantiriModel class to instantiate/manage
// and "this" to provide this MVP.RequiredModelOps instance.
super.onCreate(PalantiriModel.class, this);
// Get the intent used to start the Activity.
final Intent intent = view.getIntent();
// Initialize the Options singleton using the extras contained
// in the intent.
if (Options.instance().parseArgs(view.getActivityContext(), makeArgv(intent)) == false)
Utils.showToast(view.getActivityContext(), "Arguments were incorrect");
// A runtime configuration change has not yet occurred.
mConfigurationChangeOccurred = false;
}
/** Perform the Being gazing logic. */
@Override
public Void doInBackground(PalantiriPresenter... presenters) {
// Don't start the threads immediately.
Utils.pauseThread(500);
// Initialize local variables.
int i = 0;
Palantir palantir = null;
final PalantiriPresenter presenter = presenters[0];
// Try to gaze at a palantir the designated number of times.
for (; i < Options.instance().gazingIterations(); ++i)
try {
// Break out of the loop if the BeingAsyncTask has
// been cancelled.
// you fill in here by replacing "false" with
// the appropriate method call to an AsyncTask method.
if (isCancelled()) {
// If we've been instructed to stop gazing, notify
// the UI and exit gracefully.
presenter.mView.get().threadShutdown(mIndex);
break;
}
// Show that we're waiting on the screen.
// you fill in here with the appropriate
// call to an AsyncTask method.
publishProgress(presenter.mView.get().markWaiting(mIndex));
// Get a Palantir - this call blocks if there are no
// available Palantiri.
palantir = presenter.getModel().acquirePalantir();
if (palantir == null)
Log.d(
TAG,
"Received a null palantir in "
+ Thread.currentThread().getId()
+ " for Being "
+ mIndex);
// Make sure we were supposed to get a Palantir.
if (!incrementGazingCountAndCheck(presenter)) break;
// Mark it as used on the screen.
// you fill in here with the appropriate
// call to an AsyncTask method.
publishProgress(presenter.mView.get().markUsed(palantir.getId()));
// Show that we're gazing on the screen.
// you fill in here with the appropriate
// call to an AsyncTask method.
publishProgress(presenter.mView.get().markGazing(mIndex));
// Gaze at my Palantir for the alloted time.
palantir.gaze();
// Show that we're no longer gazing.
// you fill in here with the appropriate
// call to an AsyncTask method.
publishProgress(presenter.mView.get().markIdle(mIndex));
Utils.pauseThread(500);
// Mark the Palantir as being free.
// you fill in here with the appropriate call
// to an AsyncTask method.
publishProgress(presenter.mView.get().markFree(palantir.getId()));
Utils.pauseThread(500);
// Tell the double-checker that we're about to
// give up a Palantir.
decrementGazingCount(presenter);
} catch (Exception e) {
Log.d(TAG, "Exception caught in index " + mIndex);
// If we're interrupted by an exception, notify the UI and
// exit gracefully.
presenter.mView.get().threadShutdown(mIndex);
} finally {
// Give it back to the manager.
presenter.getModel().releasePalantir(palantir);
}
Log.d(
TAG,
"Thread "
+ mIndex
+ " has finished "
+ i
+ " of its "
+ Options.instance().gazingIterations()
+ " gazing iterations");
return (Void) null;
}