diff options
Diffstat (limited to 'java/com/android/dialer/simulator/impl/SimulatorSubMenu.java')
-rw-r--r-- | java/com/android/dialer/simulator/impl/SimulatorSubMenu.java | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/java/com/android/dialer/simulator/impl/SimulatorSubMenu.java b/java/com/android/dialer/simulator/impl/SimulatorSubMenu.java new file mode 100644 index 000000000..64a2e7265 --- /dev/null +++ b/java/com/android/dialer/simulator/impl/SimulatorSubMenu.java @@ -0,0 +1,100 @@ +/* + * Copyright (C) 2017 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.dialer.simulator.impl; + +import android.content.Context; +import android.support.annotation.NonNull; +import android.support.annotation.Nullable; +import android.view.ActionProvider; +import android.view.MenuItem; +import android.view.SubMenu; +import android.view.View; +import com.android.dialer.common.Assert; +import java.util.ArrayList; +import java.util.List; + +/** Makes it easier to create submenus in the simulator. */ +final class SimulatorSubMenu extends ActionProvider { + List<Item> items = new ArrayList<>(); + + SimulatorSubMenu(@NonNull Context context) { + super(Assert.isNotNull(context)); + } + + SimulatorSubMenu addItem(@NonNull String title, @NonNull Runnable clickHandler) { + items.add(new Item(title, clickHandler)); + return this; + } + + SimulatorSubMenu addItem(@NonNull String title, @NonNull ActionProvider actionProvider) { + items.add(new Item(title, actionProvider)); + return this; + } + + @Override + public View onCreateActionView() { + return null; + } + + @Override + public View onCreateActionView(MenuItem forItem) { + return null; + } + + @Override + public boolean hasSubMenu() { + return true; + } + + @Override + public void onPrepareSubMenu(SubMenu subMenu) { + super.onPrepareSubMenu(subMenu); + subMenu.clear(); + + for (Item item : items) { + if (item.clickHandler != null) { + subMenu + .add(item.title) + .setOnMenuItemClickListener( + (i) -> { + item.clickHandler.run(); + return true; + }); + } else { + subMenu.add(item.title).setActionProvider(item.actionProvider); + } + } + } + + private static final class Item { + @NonNull final String title; + @Nullable final Runnable clickHandler; + @Nullable final ActionProvider actionProvider; + + Item(@NonNull String title, @NonNull Runnable clickHandler) { + this.title = Assert.isNotNull(title); + this.clickHandler = Assert.isNotNull(clickHandler); + actionProvider = null; + } + + Item(@NonNull String title, @NonNull ActionProvider actionProvider) { + this.title = Assert.isNotNull(title); + this.clickHandler = null; + this.actionProvider = Assert.isNotNull(actionProvider); + } + } +} |