Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 4 | |
michael@0 | 5 | package org.mozilla.gecko.background.healthreport.prune; |
michael@0 | 6 | |
michael@0 | 7 | import org.mozilla.gecko.background.BackgroundService; |
michael@0 | 8 | import org.mozilla.gecko.background.common.GlobalConstants; |
michael@0 | 9 | import org.mozilla.gecko.background.common.log.Logger; |
michael@0 | 10 | import org.mozilla.gecko.background.healthreport.HealthReportConstants; |
michael@0 | 11 | |
michael@0 | 12 | import android.content.Intent; |
michael@0 | 13 | import android.content.SharedPreferences; |
michael@0 | 14 | import android.os.IBinder; |
michael@0 | 15 | |
michael@0 | 16 | /** |
michael@0 | 17 | * A <code>Service</code> to prune unnecessary or excessive health report data. |
michael@0 | 18 | * |
michael@0 | 19 | * We extend <code>IntentService</code>, rather than just <code>Service</code>, |
michael@0 | 20 | * because this gives us a worker thread to avoid excessive main-thread disk access. |
michael@0 | 21 | */ |
michael@0 | 22 | public class HealthReportPruneService extends BackgroundService { |
michael@0 | 23 | public static final String LOG_TAG = HealthReportPruneService.class.getSimpleName(); |
michael@0 | 24 | public static final String WORKER_THREAD_NAME = LOG_TAG + "Worker"; |
michael@0 | 25 | |
michael@0 | 26 | public HealthReportPruneService() { |
michael@0 | 27 | super(WORKER_THREAD_NAME); |
michael@0 | 28 | } |
michael@0 | 29 | |
michael@0 | 30 | @Override |
michael@0 | 31 | public IBinder onBind(Intent intent) { |
michael@0 | 32 | return null; |
michael@0 | 33 | } |
michael@0 | 34 | |
michael@0 | 35 | protected SharedPreferences getSharedPreferences() { |
michael@0 | 36 | return this.getSharedPreferences(HealthReportConstants.PREFS_BRANCH, GlobalConstants.SHARED_PREFERENCES_MODE); |
michael@0 | 37 | } |
michael@0 | 38 | |
michael@0 | 39 | @Override |
michael@0 | 40 | public void onHandleIntent(Intent intent) { |
michael@0 | 41 | Logger.setThreadLogTag(HealthReportConstants.GLOBAL_LOG_TAG); |
michael@0 | 42 | |
michael@0 | 43 | // Intent can be null. Bug 1025937. |
michael@0 | 44 | if (intent == null) { |
michael@0 | 45 | Logger.debug(LOG_TAG, "Short-circuiting on null intent."); |
michael@0 | 46 | return; |
michael@0 | 47 | } |
michael@0 | 48 | |
michael@0 | 49 | Logger.debug(LOG_TAG, "Handling prune intent."); |
michael@0 | 50 | |
michael@0 | 51 | if (!isIntentValid(intent)) { |
michael@0 | 52 | Logger.warn(LOG_TAG, "Intent not valid - returning."); |
michael@0 | 53 | return; |
michael@0 | 54 | } |
michael@0 | 55 | |
michael@0 | 56 | final String profileName = intent.getStringExtra("profileName"); |
michael@0 | 57 | final String profilePath = intent.getStringExtra("profilePath"); |
michael@0 | 58 | Logger.debug(LOG_TAG, "Ticking for profile " + profileName + " at " + profilePath + "."); |
michael@0 | 59 | final PrunePolicy policy = getPrunePolicy(profilePath); |
michael@0 | 60 | policy.tick(System.currentTimeMillis()); |
michael@0 | 61 | } |
michael@0 | 62 | |
michael@0 | 63 | // Generator function wraps constructor for testing purposes. |
michael@0 | 64 | protected PrunePolicy getPrunePolicy(final String profilePath) { |
michael@0 | 65 | final PrunePolicyStorage storage = new PrunePolicyDatabaseStorage(this, profilePath); |
michael@0 | 66 | return new PrunePolicy(storage, getSharedPreferences()); |
michael@0 | 67 | } |
michael@0 | 68 | |
michael@0 | 69 | /** |
michael@0 | 70 | * @param intent must be non-null. |
michael@0 | 71 | * @return true if the supplied intent contains both profileName and profilePath. |
michael@0 | 72 | */ |
michael@0 | 73 | private static boolean isIntentValid(final Intent intent) { |
michael@0 | 74 | boolean isValid = true; |
michael@0 | 75 | |
michael@0 | 76 | final String profileName = intent.getStringExtra("profileName"); |
michael@0 | 77 | if (profileName == null) { |
michael@0 | 78 | Logger.warn(LOG_TAG, "Got intent without profileName."); |
michael@0 | 79 | isValid = false; |
michael@0 | 80 | } |
michael@0 | 81 | |
michael@0 | 82 | final String profilePath = intent.getStringExtra("profilePath"); |
michael@0 | 83 | if (profilePath == null) { |
michael@0 | 84 | Logger.warn(LOG_TAG, "Got intent without profilePath."); |
michael@0 | 85 | isValid = false; |
michael@0 | 86 | } |
michael@0 | 87 | |
michael@0 | 88 | return isValid; |
michael@0 | 89 | } |
michael@0 | 90 | } |