Merge "Clarifying Battery Saver GPS Disable"

    // The WorkSource associated with the most recent client request (i.e, most recent call to

    // setRequest).

    private WorkSource mWorkSource = null;

    // True if gps should be disabled (used to support battery saver mode in settings).

    private boolean mDisableGps = false;

    // True if gps should be disabled because of PowerManager controls

    private boolean mDisableGpsForPowerManager = false;

    /**

     * Properties loaded from PROPERTIES_FILE.

    private void updateLowPowerMode() {

        // Disable GPS if we are in device idle mode.

        boolean disableGps = mPowerManager.isDeviceIdleMode();

        boolean disableGpsForPowerManager = mPowerManager.isDeviceIdleMode();

        final PowerSaveState result =

                mPowerManager.getPowerSaveState(ServiceType.LOCATION);

        switch (result.locationMode) {

            case PowerManager.LOCATION_MODE_GPS_DISABLED_WHEN_SCREEN_OFF:

            case PowerManager.LOCATION_MODE_ALL_DISABLED_WHEN_SCREEN_OFF:

                // If we are in battery saver mode and the screen is off, disable GPS.

                disableGps |= result.batterySaverEnabled && !mPowerManager.isInteractive();

                disableGpsForPowerManager |=

                        result.batterySaverEnabled && !mPowerManager.isInteractive();

                break;

        }

        if (disableGps != mDisableGps) {

            mDisableGps = disableGps;

        if (disableGpsForPowerManager != mDisableGpsForPowerManager) {

            mDisableGpsForPowerManager = disableGpsForPowerManager;

            updateEnabled();

            updateRequirements();

        }

    private void updateEnabled() {

        synchronized (mLock) {

            boolean enabled =

                    ((mProviderRequest != null && mProviderRequest.reportLocation

                            && mProviderRequest.locationSettingsIgnored) || (

                            mContext.getSystemService(LocationManager.class).isLocationEnabled()

                                    && !mDisableGps)) && !mShutdown;

            // Generally follow location setting

            boolean enabled = mContext.getSystemService(LocationManager.class).isLocationEnabled();

            // ... but disable if PowerManager overrides

            enabled &= !mDisableGpsForPowerManager;

            // .. but enable anyway, if there's an active settings-ignored request (e.g. ELS)

            enabled |= (mProviderRequest != null && mProviderRequest.reportLocation

                            && mProviderRequest.locationSettingsIgnored);

            // ... and, finally, disable anyway, if device is being shut down

            enabled &= !mShutdown;

            if (enabled == mEnabled) {

                return;

            }

                .append(mGnssMeasurementsProvider.isRegistered()).append('\n');

        s.append("  mGnssNavigationMessageProvider.isRegistered()=")

                .append(mGnssNavigationMessageProvider.isRegistered()).append('\n');

        s.append("  mDisableGps (battery saver mode)=").append(mDisableGps).append('\n');

        s.append("  mDisableGpsForPowerManager=").append(mDisableGpsForPowerManager).append('\n');

        s.append("  mEngineCapabilities=0x").append(Integer.toHexString(mEngineCapabilities));

        s.append(" ( ");

        if (hasCapability(GPS_CAPABILITY_SCHEDULING)) s.append("SCHEDULING ");