| /* |
| * Copyright (C) 2016 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.systemui.fragments; |
| |
| import android.app.Fragment; |
| import android.util.Log; |
| import android.view.View; |
| |
| import com.android.systemui.plugins.FragmentBase; |
| import com.android.systemui.statusbar.policy.ExtensionController.Extension; |
| |
| import java.util.function.Consumer; |
| |
| /** |
| * Wires up an Extension to a Fragment tag/id so that it always contains the class |
| * selected by the extension. |
| */ |
| public class ExtensionFragmentListener<T extends FragmentBase> implements Consumer<T> { |
| |
| private static final String TAG = "ExtensionFragmentListener"; |
| |
| private final FragmentHostManager mFragmentHostManager; |
| private final String mTag; |
| private final Extension<T> mExtension; |
| private final int mId; |
| private String mOldClass; |
| |
| private ExtensionFragmentListener(View view, String tag, int id, Extension<T> extension) { |
| mTag = tag; |
| mFragmentHostManager = FragmentHostManager.get(view); |
| mExtension = extension; |
| mId = id; |
| mFragmentHostManager.getFragmentManager().beginTransaction() |
| .replace(id, (Fragment) mExtension.get(), mTag) |
| .commit(); |
| mExtension.clearItem(false); |
| } |
| |
| @Override |
| public void accept(T extension) { |
| try { |
| Fragment.class.cast(extension); |
| mFragmentHostManager.getExtensionManager().setCurrentExtension(mId, mTag, |
| mOldClass, extension.getClass().getName(), mExtension.getContext()); |
| mOldClass = extension.getClass().getName(); |
| } catch (ClassCastException e) { |
| Log.e(TAG, extension.getClass().getName() + " must be a Fragment", e); |
| } |
| mExtension.clearItem(true); |
| } |
| |
| public static <T> void attachExtensonToFragment(View view, String tag, int id, |
| Extension<T> extension) { |
| extension.addCallback(new ExtensionFragmentListener(view, tag, id, extension)); |
| } |
| } |