| /* |
| * 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.content.Context; |
| import android.content.res.Configuration; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.util.ArrayMap; |
| import android.util.Log; |
| import android.view.View; |
| |
| import com.android.systemui.ConfigurationChangedReceiver; |
| import com.android.systemui.SystemUI; |
| import com.android.systemui.SystemUIApplication; |
| |
| /** |
| * Holds a map of root views to FragmentHostStates and generates them as needed. |
| * Also dispatches the configuration changes to all current FragmentHostStates. |
| */ |
| public class FragmentService implements ConfigurationChangedReceiver { |
| |
| private static final String TAG = "FragmentService"; |
| |
| private final ArrayMap<View, FragmentHostState> mHosts = new ArrayMap<>(); |
| private final Handler mHandler = new Handler(); |
| private final Context mContext; |
| |
| public FragmentService(Context context) { |
| mContext = context; |
| } |
| |
| public FragmentHostManager getFragmentHostManager(View view) { |
| View root = view.getRootView(); |
| FragmentHostState state = mHosts.get(root); |
| if (state == null) { |
| state = new FragmentHostState(root); |
| mHosts.put(root, state); |
| } |
| return state.getFragmentHostManager(); |
| } |
| |
| public void destroyAll() { |
| for (FragmentHostState state : mHosts.values()) { |
| state.mFragmentHostManager.destroy(); |
| } |
| } |
| |
| @Override |
| public void onConfigurationChanged(Configuration newConfig) { |
| for (FragmentHostState state : mHosts.values()) { |
| state.sendConfigurationChange(newConfig); |
| } |
| } |
| |
| private class FragmentHostState { |
| private final View mView; |
| |
| private FragmentHostManager mFragmentHostManager; |
| |
| public FragmentHostState(View view) { |
| mView = view; |
| mFragmentHostManager = new FragmentHostManager(mContext, FragmentService.this, mView); |
| } |
| |
| public void sendConfigurationChange(Configuration newConfig) { |
| mHandler.post(() -> handleSendConfigurationChange(newConfig)); |
| } |
| |
| public FragmentHostManager getFragmentHostManager() { |
| return mFragmentHostManager; |
| } |
| |
| private void handleSendConfigurationChange(Configuration newConfig) { |
| mFragmentHostManager.onConfigurationChanged(newConfig); |
| } |
| } |
| } |