Merge "Only check System UI dexopt status after a mainline update or an OTA."...

import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER;

import static com.android.server.pm.ApexManager.ActiveApexInfo;

import static com.android.server.pm.InstructionSets.getAppDexInstructionSets;

import static com.android.server.pm.PackageManagerService.DEBUG_DEXOPT;

import static com.android.server.pm.PackageManagerService.PLATFORM_PACKAGE_NAME;

import android.os.Trace;

import android.os.UserHandle;

import android.provider.DeviceConfig;

import android.text.TextUtils;

import android.util.ArraySet;

import android.util.Log;

import android.util.Slog;

import dalvik.system.DexFile;

import java.io.File;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.ArrayList;

import java.util.Collection;

import java.util.Collections;

import java.util.Comparator;

import java.util.HashSet;

import java.util.LinkedList;

import java.util.List;

import java.util.Set;

import java.util.concurrent.TimeUnit;

import java.util.function.Predicate;

        // The default is "true".

        if (!"false".equals(DeviceConfig.getProperty("runtime", "dexopt_system_ui_on_boot"))) {

            // System UI is important to user experience, so we check it on every boot. It may need

            // to be re-compiled after a mainline update or an OTA.

            // TODO(b/227310505): Only do this after a mainline update or an OTA.

            // System UI is important to user experience, so we check it after a mainline update or

            // an OTA. It may need to be re-compiled in these cases.

            if (hasBcpApexesChanged() || mPm.isDeviceUpgrading()) {

                checkAndDexOptSystemUi();

            }

        }

        // We need to re-extract after an OTA.

        boolean causeUpgrade = mPm.isDeviceUpgrading();

    /*package*/ void controlDexOptBlocking(boolean block) {

        mPm.mPackageDexOptimizer.controlDexOptBlocking(block);

    }

    /**

     * Returns the module names of the APEXes that contribute to bootclasspath.

     */

    private static List<String> getBcpApexes() {

        String bcp = System.getenv("BOOTCLASSPATH");

        if (TextUtils.isEmpty(bcp)) {

            Log.e(TAG, "Unable to get BOOTCLASSPATH");

            return List.of();

        }

        ArrayList<String> bcpApexes = new ArrayList<>();

        for (String pathStr : bcp.split(":")) {

            Path path = Paths.get(pathStr);

            // Check if the path is in the format of `/apex/<apex-module-name>/...` and extract the

            // apex module name from the path.

            if (path.getNameCount() >= 2 && path.getName(0).toString().equals("apex")) {

                bcpApexes.add(path.getName(1).toString());

            }

        }

        return bcpApexes;

    }

    /**

     * Returns true of any of the APEXes that contribute to bootclasspath has changed during this

     * boot.

     */

    private static boolean hasBcpApexesChanged() {

        Set<String> bcpApexes = new HashSet<>(getBcpApexes());

        ApexManager apexManager = ApexManager.getInstance();

        for (ActiveApexInfo apexInfo : apexManager.getActiveApexInfos()) {

            if (bcpApexes.contains(apexInfo.apexModuleName) && apexInfo.activeApexChanged) {

                return true;

            }

        }

        return false;

    }

}