/* * Copyright (C) 2021 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.car.settings.common; import android.widget.FrameLayout; import androidx.preference.Preference; import java.util.function.Consumer; /** * Class representing an action item for an {@link MultiActionPreference} */ public abstract class BaseActionItem { protected Preference mPreference; protected boolean mIsPreferenceRestricted = false; protected Consumer mRestrictedOnClickListener; private boolean mIsEnabled = true; private boolean mIsVisible = true; private ActionItemInfoChangeListener mActionItemInfoChangeListener; public BaseActionItem(ActionItemInfoChangeListener actionItemInfoChangeListener) { mActionItemInfoChangeListener = actionItemInfoChangeListener; } /** * Get the enabled state. */ public boolean isEnabled() { return mIsEnabled; } /** * Set the enabled state. */ public void setEnabled(boolean enabled) { if (enabled != mIsEnabled) { mIsEnabled = enabled; update(); } } /** * Get the visibility state. */ public boolean isVisible() { return mIsVisible; } /** * Set the visibility state. */ public void setVisible(boolean visible) { if (visible != mIsVisible) { mIsVisible = visible; update(); } } BaseActionItem setPreference(Preference preference) { mPreference = preference; return this; } BaseActionItem setPreferenceRestricted(boolean isPreferenceRestricted) { mIsPreferenceRestricted = isPreferenceRestricted; return this; } BaseActionItem setRestrictedOnClickListener(Consumer restrictedOnClickListener) { mRestrictedOnClickListener = restrictedOnClickListener; return this; } /** * Notify listener that action item has been changed. */ protected void update() { ActionItemInfoChangeListener listener = mActionItemInfoChangeListener; if (listener != null) { listener.onActionItemChange(this); } } abstract void bindViewHolder(FrameLayout frameLayout); abstract int getLayoutResource(); /** * Listener that is notified when an action item has been changed. */ interface ActionItemInfoChangeListener { void onActionItemChange(BaseActionItem baseActionItem); } }