300 lines
8.6 KiB
Java
300 lines
8.6 KiB
Java
package nodomain.freeyourgadget.gadgetbridge;
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import android.content.Context;
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import android.content.Intent;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.support.v4.content.LocalBroadcastManager;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class GBDevice implements Parcelable {
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public static final String ACTION_DEVICE_CHANGED
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= "nodomain.freeyourgadget.gadgetbride.gbdevice.action.device_changed";
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public static final Creator<GBDevice> CREATOR = new Creator<GBDevice>() {
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@Override
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public GBDevice createFromParcel(Parcel source) {
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return new GBDevice(source);
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}
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@Override
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public GBDevice[] newArray(int size) {
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return new GBDevice[size];
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}
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};
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private static final Logger LOG = LoggerFactory.getLogger(GBDevice.class);
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public static final short RSSI_UNKNOWN = 0;
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public static final short BATTERY_UNKNOWN = -1;
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public static final String EXTRA_DEVICE = "device";
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private final String mName;
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private final String mAddress;
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private final DeviceType mDeviceType;
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private String mFirmwareVersion = null;
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private String mHardwareVersion = null;
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private State mState = State.NOT_CONNECTED;
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private short mBatteryLevel = BATTERY_UNKNOWN;
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private String mBatteryState;
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private short mRssi = RSSI_UNKNOWN;
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private String mBusyTask;
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public GBDevice(String address, String name, DeviceType deviceType) {
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mAddress = address;
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mName = name;
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mDeviceType = deviceType;
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validate();
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}
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private GBDevice(Parcel in) {
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mName = in.readString();
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mAddress = in.readString();
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mDeviceType = DeviceType.values()[in.readInt()];
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mFirmwareVersion = in.readString();
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mHardwareVersion = in.readString();
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mState = State.values()[in.readInt()];
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mBatteryLevel = (short) in.readInt();
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mBatteryState = in.readString();
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mRssi = (short) in.readInt();
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mBusyTask = in.readString();
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validate();
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}
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@Override
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public void writeToParcel(Parcel dest, int flags) {
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dest.writeString(mName);
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dest.writeString(mAddress);
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dest.writeInt(mDeviceType.ordinal());
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dest.writeString(mFirmwareVersion);
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dest.writeString(mHardwareVersion);
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dest.writeInt(mState.ordinal());
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dest.writeInt(mBatteryLevel);
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dest.writeString(mBatteryState);
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dest.writeInt(mRssi);
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dest.writeString(mBusyTask);
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}
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private void validate() {
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if (getAddress() == null) {
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throw new IllegalArgumentException("address must not be null");
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}
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}
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public String getName() {
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return mName;
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}
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public String getAddress() {
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return mAddress;
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}
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public String getFirmwareVersion() {
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return mFirmwareVersion;
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}
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public void setFirmwareVersion(String firmwareVersion) {
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mFirmwareVersion = firmwareVersion;
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}
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public String getHardwareVersion() {
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return mHardwareVersion;
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}
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public void setHardwareVersion(String hardwareVersion) {
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mHardwareVersion = hardwareVersion;
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}
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public boolean isConnected() {
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return mState.ordinal() >= State.CONNECTED.ordinal();
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}
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public boolean isInitializing() {
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return mState == State.INITIALIZING;
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}
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public boolean isInitialized() {
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return mState.ordinal() >= State.INITIALIZED.ordinal();
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}
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public boolean isConnecting() {
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return mState == State.CONNECTING;
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}
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public boolean isBusy() {
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return mBusyTask != null;
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}
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public String getBusyTask() {
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return mBusyTask;
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}
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/**
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* Marks the device as busy, performing a certain task. While busy, no other operations will
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* be performed on the device.
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* <p/>
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* Note that nested busy tasks are not supported, every single call to #setBusyTask()
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* or unsetBusy() has an effect.
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*
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* @param task a textual name of the task to be performed, possibly displayed to the user
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*/
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public void setBusyTask(String task) {
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if (task == null) {
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throw new IllegalArgumentException("busy task must not be null");
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}
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if (mBusyTask != null) {
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LOG.warn("Attempt to mark device as busy with: " + task + ", but is already busy with: " + mBusyTask);
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}
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LOG.info("Mark device as busy: " + mBusyTask);
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mBusyTask = task;
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}
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/**
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* Marks the device as not busy anymore.
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*/
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public void unsetBusyTask() {
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if (mBusyTask == null) {
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LOG.error("Attempt to mark device as not busy anymore, but was not busy before.");
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return;
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}
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LOG.info("Mark device as NOT busy anymore: " + mBusyTask);
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mBusyTask = null;
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}
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public State getState() {
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return mState;
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}
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public void setState(State state) {
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mState = state;
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if (state.ordinal() <= State.CONNECTED.ordinal()) {
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unsetDynamicState();
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}
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}
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private void unsetDynamicState() {
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setBatteryLevel(BATTERY_UNKNOWN);
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setBatteryState(null);
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setFirmwareVersion(null);
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setRssi(RSSI_UNKNOWN);
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if (mBusyTask != null) {
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unsetBusyTask();
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}
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}
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public String getStateString() {
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switch (mState) {
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case NOT_CONNECTED:
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return GBApplication.getContext().getString(R.string.not_connected);
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case CONNECTING:
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return GBApplication.getContext().getString(R.string.connecting);
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case CONNECTED:
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return GBApplication.getContext().getString(R.string.connected);
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case INITIALIZING:
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return GBApplication.getContext().getString(R.string.initializing);
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case INITIALIZED:
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return GBApplication.getContext().getString(R.string.initialized);
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}
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return GBApplication.getContext().getString(R.string.unknown_state);
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}
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public String getInfoString() {
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if (mFirmwareVersion != null) {
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if (mHardwareVersion != null) {
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return GBApplication.getContext().getString(R.string.connectionstate_hw_fw, mHardwareVersion, mFirmwareVersion);
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}
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return GBApplication.getContext().getString(R.string.connectionstate_fw, mFirmwareVersion);
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} else {
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return "";
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}
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}
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public DeviceType getType() {
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return mDeviceType;
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}
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public void setRssi(short rssi) {
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if (rssi < 0) {
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LOG.warn("illegal rssi value " + rssi + ", setting to RSSI_UNKNOWN");
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mRssi = RSSI_UNKNOWN;
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} else {
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mRssi = rssi;
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}
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}
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/**
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* Returns the device specific signal strength value, or #RSSI_UNKNOWN
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*/
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public short getRssi() {
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return mRssi;
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}
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// TODO: this doesn't really belong here
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public void sendDeviceUpdateIntent(Context context) {
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Intent deviceUpdateIntent = new Intent(ACTION_DEVICE_CHANGED);
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deviceUpdateIntent.putExtra(EXTRA_DEVICE, this);
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LocalBroadcastManager.getInstance(context).sendBroadcast(deviceUpdateIntent);
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}
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@Override
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public int describeContents() {
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return 0;
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}
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@Override
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public boolean equals(Object obj) {
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if (!(obj instanceof GBDevice)) {
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return false;
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}
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if (obj == this) {
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return true;
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}
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if (((GBDevice) obj).getAddress().equals(this.mAddress)) {
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return true;
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}
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return false;
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}
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@Override
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public int hashCode() {
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return mAddress.hashCode() ^ 37;
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}
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/**
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* Ranges from 0-100 (percent), or -1 if unknown
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*
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* @return the battery level in range 0-100, or -1 if unknown
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*/
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public short getBatteryLevel() {
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return mBatteryLevel;
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}
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public void setBatteryLevel(short batteryLevel) {
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if ((batteryLevel >= 0 && batteryLevel <= 100) || batteryLevel == BATTERY_UNKNOWN) {
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mBatteryLevel = batteryLevel;
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} else {
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LOG.error("Battery level musts be within range 0-100: " + batteryLevel);
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}
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}
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/**
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* Returns a string representation of the battery state.
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*/
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public String getBatteryState() {
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return mBatteryState != null ? mBatteryState : GBApplication.getContext().getString(R.string._unknown_);
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}
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public void setBatteryState(String batteryState) {
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mBatteryState = batteryState;
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}
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public enum State {
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// Note: the order is important!
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NOT_CONNECTED,
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CONNECTING,
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CONNECTED,
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INITIALIZING,
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INITIALIZED
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}
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}
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