79 lines
2.4 KiB
Java
79 lines
2.4 KiB
Java
package nodomain.freeyourgadget.gadgetbridge;
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import java.util.ArrayList;
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import java.util.List;
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import nodomain.freeyourgadget.gadgetbridge.discovery.DeviceCandidate;
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import nodomain.freeyourgadget.gadgetbridge.miband.MiBandCoordinator;
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import nodomain.freeyourgadget.gadgetbridge.pebble.PebbleCoordinator;
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public class DeviceHelper {
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private static DeviceHelper instance = new DeviceHelper();
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public static DeviceHelper getInstance() {
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return instance;
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}
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// lazily created
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private List<DeviceCoordinator> coordinators;
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// the current single coordinator (typically there's just one device connected
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private DeviceCoordinator coordinator;
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public boolean isSupported(DeviceCandidate candidate) {
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if (coordinator != null && coordinator.supports(candidate)) {
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return true;
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}
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for (DeviceCoordinator coordinator : getAllCoordinators()) {
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if (coordinator.supports(candidate)) {
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return true;
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}
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}
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return false;
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}
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public DeviceCoordinator getCoordinator(DeviceCandidate device) {
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if (coordinator != null && coordinator.supports(device)) {
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return coordinator;
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}
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synchronized (this) {
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for (DeviceCoordinator coord : getAllCoordinators()) {
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if (coord.supports(device)) {
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coordinator = coord;
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return coordinator;
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}
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}
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}
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return new UnknownDeviceCoordinator();
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}
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public DeviceCoordinator getCoordinator(GBDevice device) {
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if (coordinator != null && coordinator.supports(device)) {
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return coordinator;
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}
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synchronized (this) {
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for (DeviceCoordinator coord : getAllCoordinators()) {
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if (coord.supports(device)) {
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coordinator = coord;
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return coordinator;
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}
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}
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}
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return new UnknownDeviceCoordinator();
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}
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public synchronized List<DeviceCoordinator> getAllCoordinators() {
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if (coordinators == null) {
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coordinators = createCoordinators();
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}
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return coordinators;
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}
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private List<DeviceCoordinator> createCoordinators() {
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List<DeviceCoordinator> result = new ArrayList<>(2);
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result.add(new MiBandCoordinator());
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result.add(new PebbleCoordinator());
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return result;
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}
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}
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