| /* |
| * Copyright (C) 2015 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.tv.menu; |
| |
| import android.content.Context; |
| import com.android.tv.common.customization.CustomAction; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** An adapter of options that can accepts customization data. */ |
| public abstract class CustomizableOptionsRowAdapter extends OptionsRowAdapter { |
| private final List<CustomAction> mCustomActions; |
| |
| public CustomizableOptionsRowAdapter(Context context, List<CustomAction> customActions) { |
| super(context); |
| mCustomActions = customActions; |
| } |
| |
| // Subclass should implement this and return list of {@link MenuAction}. |
| // Custom actions will be added at the first or the last position in addition. |
| // Note that {@link MenuAction} should have non-negative type |
| // because negative types are reserved for custom actions. |
| protected abstract List<MenuAction> createBaseActions(); |
| |
| // Subclass should implement this to perform proper action |
| // for {@link MenuAction} with the given type returned by {@link createBaseActions}. |
| protected abstract void executeBaseAction(int type); |
| |
| @Override |
| protected List<MenuAction> createActions() { |
| List<MenuAction> actions = new ArrayList<>(createBaseActions()); |
| |
| if (mCustomActions != null) { |
| int position = 0; |
| for (int i = 0; i < mCustomActions.size(); i++) { |
| // Type of MenuAction should be unique in the Adapter. |
| int type = -(i + 1); |
| CustomAction customAction = mCustomActions.get(i); |
| MenuAction action = |
| new MenuAction( |
| customAction.getTitle(), type, customAction.getIconDrawable()); |
| |
| if (customAction.isFront()) { |
| actions.add(position++, action); |
| } else { |
| actions.add(action); |
| } |
| } |
| } |
| return actions; |
| } |
| |
| @Override |
| protected void executeAction(int type) { |
| if (type < 0) { |
| int position = -(type + 1); |
| getMainActivity().startActivitySafe(mCustomActions.get(position).getIntent()); |
| } else { |
| executeBaseAction(type); |
| } |
| } |
| |
| protected List<CustomAction> getCustomActions() { |
| return mCustomActions; |
| } |
| } |