The Tor Browser: mobile/android/base/SysInfo.java.in@fc2d59ddac77 (annotated)

mobile/android/base/SysInfo.java.in@fc2d59ddac77 (annotated)

mobile/android/base/SysInfo.java.in

Wed, 31 Dec 2014 07:22:50 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 07:22:50 +0100
branch: TOR_BUG_3246
changeset 4: fc2d59ddac77
permissions: -rw-r--r--

Correct previous dual key logic pending first delivery installment.

 #filter substitution
 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 package org.mozilla.gecko;
 import org.mozilla.gecko.util.HardwareUtils;
 import android.os.StrictMode;
 import android.util.Log;
 import java.io.File;
 import java.io.FileFilter;
 import java.util.regex.Pattern;
 /**
  * A collection of system info values, broadly mirroring a subset of
  * nsSystemInfo. See also the constants in AppConstants, which reflect
  * much of nsIXULAppInfo.
  */
 public final class SysInfo {
     private static final String LOG_TAG = "GeckoSysInfo";
     // We don't mind an instant of possible duplicate work, we only wish to
     // avoid inconsistency, so we don't bother with synchronization for
     // these.
     private static volatile int cpuCount = -1;
       /**
        * Get the number of cores on the device.
        *
        * We can't use a nice tidy API call, because they're all wrong:
        *
        * <http://stackoverflow.com/questions/7962155/how-can-you-detect-a-dual-core-
        * cpu-on-an-android-device-from-code>
        *
        * This method is based on that code.
        *
        * @return the number of CPU cores, or 1 if the number could not be
        *         determined.
        */
     public static int getCPUCount() {
         if (cpuCount > 0) {
             return cpuCount;
         }
         if (android.os.Build.VERSION.SDK_INT < 9) {
             return readCPUCount();
         }
         // Avoid a strict mode warning... but only on devices that have StrictMode.
         StrictMode.ThreadPolicy savedPolicy = StrictMode.allowThreadDiskReads();
         try {
             return readCPUCount();
         } finally {
             StrictMode.setThreadPolicy(savedPolicy);
         }
     }
     private static int readCPUCount() {
         class CpuFilter implements FileFilter {
             @Override
             public boolean accept(File pathname) {
                 return Pattern.matches("cpu[0-9]+", pathname.getName());
             }
         }
         try {
             final File dir = new File("/sys/devices/system/cpu/");
             return cpuCount = dir.listFiles(new CpuFilter()).length;
         } catch (Exception e) {
             Log.w(LOG_TAG, "Assuming 1 CPU; got exception.", e);
             return cpuCount = 1;
         }
     }
     /**
      * Wraps HardwareUtils so callers don't need to know about it.
      */
     public static int getMemSize() {
         return HardwareUtils.getMemSize();
     }
     /**
      * @return the SDK version supported by this device, such as '16'.
      */
     public static int getVersion() {
         return android.os.Build.VERSION.SDK_INT;
     }
     /**
      * @return the release version string, such as "4.1.2".
      */
     public static String getReleaseVersion() {
         return android.os.Build.VERSION.RELEASE;
     }
     /**
      * @return the kernel version string, such as "3.4.10-geb45596".
      */
     public static String getKernelVersion() {
         return System.getProperty("os.version", "");
     }
     /**
      * @return the device manufacturer, such as "HTC".
      */
     public static String getManufacturer() {
         return android.os.Build.MANUFACTURER;
     }
     /**
      * @return the device name, such as "HTC One".
      */
     public static String getDevice() {
         // No, not android.os.Build.DEVICE.
         return android.os.Build.MODEL;
     }
     /**
      * @return the Android "hardware" identifier, such as "m7".
      */
     public static String getHardware() {
         return android.os.Build.HARDWARE;
     }
     /**
      * @return the system OS name. Hardcoded to "Android".
      */
     public static String getName() {
         // We deliberately differ from PR_SI_SYSNAME, which is "Linux".
         return "Android";
     }
     /**
      * @return the architecture string, excluding ABI.
      */
     public static String getArch() {
         return "@CPU_ARCH@";   // "arm"
     }
     /**
      * @return the Android architecture string, including ABI.
      */
     public static String getArchABI() {
         // Android likes to include the ABI, too ("armeabiv7"), so we
         // differ to add value.
         return android.os.Build.CPU_ABI;
     }
     /**
      * @return the default system locale, such as "en-US"
      */
     public static String getLocale() {
         return java.util.Locale.getDefault().toString().replace('_', '-');
     }
 }

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mobile/android/base/SysInfo.java.in@fc2d59ddac77 (annotated)

mobile/android/base/SysInfo.java.in