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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* vim: ts=4 sw=4 expandtab:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
package org.mozilla.geckoview;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.UiThread;
import org.mozilla.gecko.util.ThreadUtils;
public class OrientationController {
private OrientationDelegate mDelegate;
OrientationController() {}
/**
* Sets the {@link OrientationDelegate} for this instance.
*
* @param delegate The {@link OrientationDelegate} instance.
*/
@UiThread
public void setDelegate(final @Nullable OrientationDelegate delegate) {
ThreadUtils.assertOnUiThread();
mDelegate = delegate;
}
/**
* Gets the {@link OrientationDelegate} for this instance.
*
* @return delegate The {@link OrientationDelegate} instance.
*/
@UiThread
@Nullable
public OrientationDelegate getDelegate() {
ThreadUtils.assertOnUiThread();
return mDelegate;
}
/** This delegate will be called whenever an orientation lock is called. */
@UiThread
public interface OrientationDelegate {
/**
* Called whenever the orientation should be locked.
*
* @param aOrientation The desired orientation such as ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
* @return A {@link GeckoResult} which resolves to a {@link AllowOrDeny}
*/
@Nullable
default GeckoResult<AllowOrDeny> onOrientationLock(@NonNull final int aOrientation) {
return null;
}
/** Called whenever the orientation should be unlocked. */
@Nullable
default void onOrientationUnlock() {}
}
}