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package org.sufficientlysecure.keychain.ui.base;
import android.os.Bundle;
import android.os.Message;
import android.os.Parcelable;
import org.sufficientlysecure.keychain.service.ServiceProgressHandler;
import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
public abstract class CachingCryptoOperationFragment <T extends Parcelable> extends CryptoOperationFragment {
public static final String ARG_CACHED_ACTIONS = "cached_actions";
private T mCachedActionsParcel;
@Override
protected void cryptoOperation(CryptoInputParcel cryptoInput) {
cryptoOperation(cryptoInput, mCachedActionsParcel);
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putParcelable(ARG_CACHED_ACTIONS, mCachedActionsParcel);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (savedInstanceState != null) {
mCachedActionsParcel = savedInstanceState.getParcelable(ARG_CACHED_ACTIONS);
}
}
@Override
public boolean handlePendingMessage(Message message) {
// see if it's an InputPendingResult, and if so don't care
if (super.handlePendingMessage(message)) {
return true;
}
// if it's a non-input-pending OKAY message, always clear the cached actions parcel
if (message.arg1 == ServiceProgressHandler.MessageStatus.OKAY.ordinal()) {
mCachedActionsParcel = null;
}
return false;
}
protected abstract void cryptoOperation(CryptoInputParcel cryptoInput, T cachedActionsParcel);
protected void cacheActionsParcel(T cachedActionsParcel) {
mCachedActionsParcel = cachedActionsParcel;
}
protected void onCryptoOperationCancelled() {
mCachedActionsParcel = null;
}
}
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