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Unverified Commit cf253743 authored by Pawit Pornkitprasan's avatar Pawit Pornkitprasan Committed by Michael Bestas
Browse files

PackageManager: Allow build-time disabling of components 



Co-authored-by: default avatarGianmarco Reverberi <gianmarco.reverberi@gmail.com>
Co-authored-by: default avatarMichael W <baddaemon87@gmail.com>
Change-Id: Ic26c9d2f080ab61e09b2d64ae48cd6f29147774a
parent 8c5dbd8c

services/core/java/com/android/server/pm/PackageManagerService.java

+47 −0
Original line number Diff line number Diff line
@@ -904,6 +904,8 @@ public class PackageManagerService implements PackageSender, TestUtilityService 


    private final PackageProperty mPackageProperty = new PackageProperty();



    ArrayList<ComponentName> mDisabledComponentsList;



    final PendingPackageBroadcasts mPendingBroadcasts;



    static final int SEND_PENDING_BROADCAST = 1;
@@ -2395,6 +2397,20 @@ public class PackageManagerService implements PackageSender, TestUtilityService 
            // Defer the app data fixup until we are done with app data clearing above.

            mPrepareAppDataFuture = mAppDataHelper.fixAppsDataOnBoot();



            // Disable components marked for disabling at build-time

            mDisabledComponentsList = new ArrayList<ComponentName>();

            enableComponents(mContext.getResources().getStringArray(

                     org.lineageos.platform.internal.R.array.config_deviceDisabledComponents),

                     false);

            enableComponents(mContext.getResources().getStringArray(

                    org.lineageos.platform.internal.R.array.config_globallyDisabledComponents),

                    false);



            // Enable components marked for forced-enable at build-time

            enableComponents(mContext.getResources().getStringArray(

                    org.lineageos.platform.internal.R.array.config_forceEnabledComponents),

                    true);



            // Legacy existing (installed before Q) non-system apps to hide

            // their icons in launcher.

            if (mIsPreQUpgrade) {
@@ -2558,6 +2574,29 @@ public class PackageManagerService implements PackageSender, TestUtilityService 
        Slog.i(TAG, "Fix for b/169414761 is applied");

    }



    private void enableComponents(String[] components, boolean enable) {

        // Disable or enable components marked at build-time

        for (String name : components) {

            ComponentName cn = ComponentName.unflattenFromString(name);

            if (!enable) {

                mDisabledComponentsList.add(cn);

            }

            Slog.v(TAG, "Changing enabled state of " + name + " to " + enable);

            String className = cn.getClassName();

            PackageSetting pkgSetting = mSettings.mPackages.get(cn.getPackageName());

            if (pkgSetting == null || pkgSetting.getPkg() == null

                    || !AndroidPackageUtils.hasComponentClassName(pkgSetting.getPkg(), className)) {

                Slog.w(TAG, "Unable to change enabled state of " + name + " to " + enable);

                continue;

            }

            if (enable) {

                pkgSetting.enableComponentLPw(className, UserHandle.USER_OWNER);

            } else {

                pkgSetting.disableComponentLPw(className, UserHandle.USER_OWNER);

            }

        }

    }



    @GuardedBy("mLock")

    void updateInstantAppInstallerLocked(String modifiedPackage) {

        // we're only interested in updating the installer application when 1) it's not
@@ -3808,6 +3847,14 @@ public class PackageManagerService implements PackageSender, TestUtilityService 
        final int targetSize = settings.size();

        for (int i = 0; i < targetSize; i++) {

            final int newState = settings.get(i).getEnabledState();

            if (settings.get(i).isComponent()) {

                // Don't allow to enable components marked for disabling at build-time

                if (mDisabledComponentsList.contains(settings.get(i).getComponentName())) {

                    Slog.d(TAG, "Ignoring attempt to set enabled state of disabled component "

                        + settings.get(i).getComponentName().flattenToString());

                    return;

                }

            }

            if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT

                    || newState == COMPONENT_ENABLED_STATE_ENABLED

                    || newState == COMPONENT_ENABLED_STATE_DISABLED