The Tor Browser: mobile/android/base/background/healthreport/prune/HealthReportPruneService.java@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 package org.mozilla.gecko.background.healthreport.prune;

     7 import org.mozilla.gecko.background.BackgroundService;

     8 import org.mozilla.gecko.background.common.GlobalConstants;

     9 import org.mozilla.gecko.background.common.log.Logger;

    10 import org.mozilla.gecko.background.healthreport.HealthReportConstants;

    12 import android.content.Intent;

    13 import android.content.SharedPreferences;

    14 import android.os.IBinder;

    16 /**

    17  * A <code>Service</code> to prune unnecessary or excessive health report data.

    18  *

    19  * We extend <code>IntentService</code>, rather than just <code>Service</code>,

    20  * because this gives us a worker thread to avoid excessive main-thread disk access.

    21  */

    22 public class HealthReportPruneService extends BackgroundService {

    23   public static final String LOG_TAG = HealthReportPruneService.class.getSimpleName();

    24   public static final String WORKER_THREAD_NAME = LOG_TAG + "Worker";

    26   public HealthReportPruneService() {

    27     super(WORKER_THREAD_NAME);

    28   }

    30   @Override

    31   public IBinder onBind(Intent intent) {

    32     return null;

    33   }

    35   protected SharedPreferences getSharedPreferences() {

    36     return this.getSharedPreferences(HealthReportConstants.PREFS_BRANCH, GlobalConstants.SHARED_PREFERENCES_MODE);

    37   }

    39   @Override

    40   public void onHandleIntent(Intent intent) {

    41     Logger.setThreadLogTag(HealthReportConstants.GLOBAL_LOG_TAG);

    43     // Intent can be null. Bug 1025937.

    44     if (intent == null) {

    45       Logger.debug(LOG_TAG, "Short-circuiting on null intent.");

    46       return;

    47     }

    49     Logger.debug(LOG_TAG, "Handling prune intent.");

    51     if (!isIntentValid(intent)) {

    52       Logger.warn(LOG_TAG, "Intent not valid - returning.");

    53       return;

    54     }

    56     final String profileName = intent.getStringExtra("profileName");

    57     final String profilePath = intent.getStringExtra("profilePath");

    58     Logger.debug(LOG_TAG, "Ticking for profile " + profileName + " at " + profilePath + ".");

    59     final PrunePolicy policy = getPrunePolicy(profilePath);

    60     policy.tick(System.currentTimeMillis());

    61   }

    63   // Generator function wraps constructor for testing purposes.

    64   protected PrunePolicy getPrunePolicy(final String profilePath) {

    65     final PrunePolicyStorage storage = new PrunePolicyDatabaseStorage(this, profilePath);

    66     return new PrunePolicy(storage, getSharedPreferences());

    67   }

    69   /**

    70    * @param intent must be non-null.

    71    * @return true if the supplied intent contains both profileName and profilePath.

    72    */

    73   private static boolean isIntentValid(final Intent intent) {

    74     boolean isValid = true;

    76     final String profileName = intent.getStringExtra("profileName");

    77     if (profileName == null) {

    78       Logger.warn(LOG_TAG, "Got intent without profileName.");

    79       isValid = false;

    80     }

    82     final String profilePath = intent.getStringExtra("profilePath");

    83     if (profilePath == null) {

    84       Logger.warn(LOG_TAG, "Got intent without profilePath.");

    85       isValid = false;

    86     }

    88     return isValid;

    89   }

    90 }

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