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 17 package com.android.traceur; 18 19 import android.content.Context; 20 import android.content.Intent; 21 import android.content.SharedPreferences; 22 import android.preference.PreferenceManager; 23 import android.provider.Settings; 24 import android.util.Log; 25 26 public class StopTraceService extends TraceService { 27 private static final String TAG = "Traceur"; 28 StopTraceService()29 public StopTraceService() { 30 super("StopTraceService"); 31 setIntentRedelivery(true); 32 } 33 34 /* If we stop a trace using this entrypoint, we must also reset the preference and the 35 * Quick Settings UI, since this may be the only indication that the user wants to stop the 36 * trace. 37 */ 38 @Override onHandleIntent(Intent intent)39 public void onHandleIntent(Intent intent) { 40 Context context = getApplicationContext(); 41 if (!Receiver.isTraceurAllowed(context)) { 42 return; 43 } 44 // Ensures that only intents that pertain to stopping a trace and need to be accessed from 45 // outside Traceur are passed to TraceService through StopTraceService. 46 String intentAction = intent.getAction(); 47 if (!intentAction.equals(TraceService.INTENT_ACTION_NOTIFY_SESSION_STOPPED)) { 48 return; 49 } 50 SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); 51 boolean prefsTracingOn = 52 prefs.getBoolean(context.getString(R.string.pref_key_tracing_on), false); 53 54 // If the user thinks tracing is off and the trace processor agrees, we have no work to do. 55 // We must still start a foreground service, but let's log as an FYI. 56 if (!prefsTracingOn && !TraceUtils.isTracingOn()) { 57 Log.i(TAG, "StopTraceService does not see a trace to stop."); 58 } 59 60 PreferenceManager.getDefaultSharedPreferences(context) 61 .edit().putBoolean(context.getString(R.string.pref_key_tracing_on), 62 false).commit(); 63 context.sendBroadcast(new Intent(MainFragment.ACTION_REFRESH_TAGS)); 64 TraceService.updateAllQuickSettingsTiles(); 65 super.onHandleIntent(intent); 66 } 67 } 68