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/* -*- Mode: Java; c-basic-offset: 2; tab-width: 2; indent-tabs-mode: nil; -*-
* 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko;
import android.os.Build;
import android.view.HapticFeedbackConstants;
import android.view.View;
import androidx.annotation.Nullable;
import androidx.annotation.UiThread;
import org.mozilla.gecko.util.ThreadUtils;
/** {@code HapticFeedbackController} handles haptic feedback. */
public class HapticFeedbackController {
private @Nullable View mView;
/* These constants should be kept in sync with those in nsIHapticFeedback. */
private static final int SHORT_PRESS = 0;
private static final int LONG_PRESS = 1;
private static final int TEXT_HANDLE_MOVE = 2;
/**
* Set the current {@link android.view.View} for haptic feedback.
*
* @param view View for haptic feedback or null to clear current View.
*/
@UiThread
public void setView(final @Nullable View view) {
ThreadUtils.assertOnUiThread();
mView = view;
}
/**
* Get the current View for haptic feedback.
*
* @return Current View for haptic feedback or null if not set.
*/
@UiThread
@Nullable
public View getView() {
ThreadUtils.assertOnUiThread();
return mView;
}
/**
* Perform haptic feedback with the specified effect.
*
* @param effect One of SHORT_PRESS, LONG_PRESS, or TEXT_HANDLE_MOVE
*/
@UiThread
public void performHapticFeedback(final int effect) {
ThreadUtils.assertOnUiThread();
if (mView == null) {
return;
}
final int translatedEffect;
switch (effect) {
case SHORT_PRESS:
// Added in API level 23
translatedEffect = HapticFeedbackConstants.CONTEXT_CLICK;
break;
case LONG_PRESS:
// Added in API level 3
translatedEffect = HapticFeedbackConstants.LONG_PRESS;
break;
case TEXT_HANDLE_MOVE:
if (Build.VERSION.SDK_INT < 27) {
return;
}
// Added in API level 27
translatedEffect = HapticFeedbackConstants.TEXT_HANDLE_MOVE;
break;
default:
return;
}
mView.performHapticFeedback(translatedEffect);
}
}