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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.settings.applications;
     17 
     18 import android.os.Bundle;
     19 import android.view.LayoutInflater;
     20 import android.view.Menu;
     21 import android.view.MenuInflater;
     22 import android.view.MenuItem;
     23 import android.view.View;
     24 import android.view.ViewGroup;
     25 
     26 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
     27 import com.android.settings.R;
     28 import com.android.settings.SettingsPreferenceFragment;
     29 import com.android.settings.widget.LoadingViewController;
     30 
     31 public class RunningServices extends SettingsPreferenceFragment {
     32 
     33     private static final int SHOW_RUNNING_SERVICES = 1;
     34     private static final int SHOW_BACKGROUND_PROCESSES = 2;
     35 
     36     private RunningProcessesView mRunningProcessesView;
     37     private Menu mOptionsMenu;
     38     private View mLoadingContainer;
     39     private LoadingViewController mLoadingViewController;
     40 
     41     @Override
     42     public void onCreate(Bundle savedInstanceState) {
     43         super.onCreate(savedInstanceState);
     44 
     45         getActivity().setTitle(R.string.runningservices_settings_title);
     46     }
     47 
     48     @Override
     49     public View onCreateView(LayoutInflater inflater, ViewGroup container,
     50             Bundle savedInstanceState) {
     51         View rootView = inflater.inflate(R.layout.manage_applications_running, null);
     52         mRunningProcessesView = rootView.findViewById(R.id.running_processes);
     53         mRunningProcessesView.doCreate();
     54         mLoadingContainer = rootView.findViewById(R.id.loading_container);
     55         mLoadingViewController = new LoadingViewController(
     56                 mLoadingContainer, mRunningProcessesView);
     57 
     58         return rootView;
     59     }
     60 
     61     @Override
     62     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
     63         mOptionsMenu = menu;
     64         menu.add(0, SHOW_RUNNING_SERVICES, 1, R.string.show_running_services)
     65                 .setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
     66         menu.add(0, SHOW_BACKGROUND_PROCESSES, 2, R.string.show_background_processes)
     67                 .setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
     68         updateOptionsMenu();
     69     }
     70 
     71     @Override
     72     public void onResume() {
     73         super.onResume();
     74         boolean haveData = mRunningProcessesView.doResume(this, mRunningProcessesAvail);
     75         mLoadingViewController.handleLoadingContainer(haveData /* done */, false /* animate */);
     76     }
     77 
     78     @Override
     79     public void onPause() {
     80         super.onPause();
     81         mRunningProcessesView.doPause();
     82     }
     83 
     84     @Override
     85     public boolean onOptionsItemSelected(MenuItem item) {
     86         switch (item.getItemId()) {
     87             case SHOW_RUNNING_SERVICES:
     88                 mRunningProcessesView.mAdapter.setShowBackground(false);
     89                 break;
     90             case SHOW_BACKGROUND_PROCESSES:
     91                 mRunningProcessesView.mAdapter.setShowBackground(true);
     92                 break;
     93             default:
     94                 return false;
     95         }
     96         updateOptionsMenu();
     97         return true;
     98     }
     99 
    100     @Override
    101     public void onPrepareOptionsMenu(Menu menu) {
    102         updateOptionsMenu();
    103     }
    104 
    105     private void updateOptionsMenu() {
    106         boolean showingBackground = mRunningProcessesView.mAdapter.getShowBackground();
    107         mOptionsMenu.findItem(SHOW_RUNNING_SERVICES).setVisible(showingBackground);
    108         mOptionsMenu.findItem(SHOW_BACKGROUND_PROCESSES).setVisible(!showingBackground);
    109     }
    110 
    111     @Override
    112     public int getMetricsCategory() {
    113         return MetricsEvent.RUNNING_SERVICES;
    114     }
    115 
    116     private final Runnable mRunningProcessesAvail = new Runnable() {
    117         @Override
    118         public void run() {
    119             mLoadingViewController.showContent(true /* animate */);
    120         }
    121     };
    122 
    123 }
    124