keepass2android/src/java/InputStickAPI/src/com/inputstick/api/basic/InputStickHID.java

603 lines
17 KiB
Java

package com.inputstick.api.basic;
import java.util.Timer;
import java.util.TimerTask;
import java.util.Vector;
import android.app.AlertDialog;
import android.app.Application;
import android.content.Context;
import com.inputstick.api.BTConnectionManager;
import com.inputstick.api.ConnectionManager;
import com.inputstick.api.DownloadDialog;
import com.inputstick.api.HIDInfo;
import com.inputstick.api.IPCConnectionManager;
import com.inputstick.api.InputStickDataListener;
import com.inputstick.api.InputStickError;
import com.inputstick.api.InputStickStateListener;
import com.inputstick.api.OnEmptyBufferListener;
import com.inputstick.api.Packet;
import com.inputstick.api.hid.HIDReport;
import com.inputstick.api.hid.HIDTransaction;
import com.inputstick.api.hid.HIDTransactionQueue;
import com.inputstick.api.init.BasicInitManager;
import com.inputstick.api.init.DeviceInfo;
import com.inputstick.api.init.InitManager;
public class InputStickHID implements InputStickStateListener, InputStickDataListener {
public static final int INTERFACE_KEYBOARD = 0;
public static final int INTERFACE_CONSUMER = 1;
public static final int INTERFACE_MOUSE = 2;
private static ConnectionManager mConnectionManager;
private static Vector<InputStickStateListener> mStateListeners = new Vector<InputStickStateListener>();
protected static Vector<OnEmptyBufferListener> mBufferEmptyListeners = new Vector<OnEmptyBufferListener>();
private static InputStickHID instance = new InputStickHID();
private static HIDInfo mHIDInfo;
private static DeviceInfo mDeviceInfo;
private static HIDTransactionQueue keyboardQueue;
private static HIDTransactionQueue mouseQueue;
private static HIDTransactionQueue consumerQueue;
//FW 0.93 - 0.95
private static Timer updateQueueTimer;
private static int mKeyboardReportMultiplier; //enables "slow" typing by multiplying HID reports
private InputStickHID() {
}
public static InputStickHID getInstance() {
return instance;
}
private static void init() {
mHIDInfo = new HIDInfo();
keyboardQueue = new HIDTransactionQueue(INTERFACE_KEYBOARD, mConnectionManager);
mouseQueue = new HIDTransactionQueue(INTERFACE_MOUSE, mConnectionManager);
consumerQueue = new HIDTransactionQueue(INTERFACE_CONSUMER, mConnectionManager);
mConnectionManager.addStateListener(instance);
mConnectionManager.addDataListener(instance);
mConnectionManager.connect();
}
/*
* Returns download InputStickUtility AlertDialog if InputStickUtility is not installed. Returns null is InputStickUtility application is installed.
* Should be called when your application is started or before InputStick functionality is about to be used.
*
* @return download InputStickUtility AlertDialog or null
*/
public static AlertDialog getDownloadDialog(final Context ctx) {
if (mConnectionManager.getErrorCode() == InputStickError.ERROR_ANDROID_NO_UTILITY_APP) {
return DownloadDialog.getDialog(ctx, DownloadDialog.NOT_INSTALLED);
} else {
return null;
}
}
/*
* Connect using InputStickUtility application.
* IN MOST CASES THIS METHOD SHOULD BE USED TO INITIATE CONNECTION!
*
* @param app Application
*/
public static void connect(Application app) {
mConnectionManager = new IPCConnectionManager(app);
init();
}
/*
* Close connection
*/
public static void disconnect() {
if (mConnectionManager != null) {
mConnectionManager.disconnect();
}
}
/*
* Direct connection to InputStick (BT2.1 only!). InputStickUtility application is not required in this case.
* TIP: use Util.getPasswordBytes(plainText) to get key.
*
* @param app Application
* @param mac Bluetooth MAC address
* @param key MD5(password) - must be provided if InputStick is password protected. Use null otherwise
* @param initManager custom init manager
*/
public static void connect(Application app, String mac, byte[] key, InitManager initManager) {
connect(app, mac, key, initManager, false);
}
/*
* Direct connection to InputStick. InputStickUtility application is not required in this case.
* TIP: use Util.getPasswordBytes(plainText) to get key.
*
* @param app Application
* @param mac Bluetooth MAC address
* @param key MD5(password) - must be provided if InputStick is password protected. Use null otherwise
* @param initManager custom init manager
* @param isBT40 specify Bluetooth version. Must match your hardware (InputStick BT2.1 or BT4.0)!
*/
public static void connect(Application app, String mac, byte[] key, InitManager initManager, boolean isBT40) {
mConnectionManager = new BTConnectionManager(initManager, app, mac, key, isBT40);
init();
}
/*
* Direct connection to InputStick. InputStickUtility application is not required in this case.
* TIP: use Util.getPasswordBytes(plainText) to get key.
*
* @param app Application
* @param mac Bluetooth MAC address
* @param key MD5(password) - must be provided if InputStick is password protected. Use null otherwise
* @param initManager custom init manager
* @param isBT40 specify Bluetooth version. Must match your hardware (InputStick BT2.1 or BT4.0)!
*/
public static void connect(Application app, String mac, byte[] key, boolean isBT40) {
mConnectionManager = new BTConnectionManager(new BasicInitManager(key), app, mac, key, isBT40);
init();
}
/*
* Direct connection to InputStick (BT2.1 only!). InputStickUtility application is not required in this case.
* TIP: use Util.getPasswordBytes(plainText) to get key.
*
* @param app Application
* @param mac Bluetooth MAC address
* @param key MD5(password) - must be provided if InputStick is password protected. Use null otherwise
*/
public static void connect(Application app, String mac, byte[] key) {
connect(app, mac, key, false);
}
/*
* When keyboard transactions are queued, each individual HID keyboard report is duplicated by reportMultiplier.
* Allows to control typing speed. Can help with missing characters (for example in BIOS).
* Important! Value of multiplier should be manually restored back to 1, when slow typing is no longer needed!
*
* Example: press and release "a" key:
* 1) Multiplier = 1
* "a" key presses, all keys released
* 2 HID reports, fastest typing speed
* 2) Multiplier = 2
* "a" key presses, "a" key presses, all keys released, all keys released
* 4 HID reports, 50% slower typing speed
*
*
* @param reportMultiplier number by which each HID report will be duplicated
*/
public static void setKeyboardReportMultiplier(int reportMultiplier) {
mKeyboardReportMultiplier = reportMultiplier;
}
/*
* Returns value of keyboard report multiplier
*
* @return keyboard report multiplier
*/
public static int getKeyboardReportMultiplier(int reportMultiplier) {
return mKeyboardReportMultiplier;
}
/*
* Requests USB host to resume from sleep / suspended state. Feature must be supported and enabled by USB host.
* Note 1: when USB host is suspended, device state will be STATE_CONNECTED.
* Note 2: some USB hosts may cut off USB power when suspended.
*/
public static void wakeUpUSBHost() {
if (isConnected()) {
Packet p = new Packet(false, Packet.CMD_USB_RESUME);
InputStickHID.sendPacket(p);
mConnectionManager.sendPacket(p);
}
}
/*
* Get device info of connected device
*
* @return Device info of connected device. Null if info is not available
*/
public static DeviceInfo getDeviceInfo() {
if ((isReady()) && (mDeviceInfo != null)) {
return mDeviceInfo;
} else {
return null;
}
}
/*
* Get latest status update received from InputStick.
*
* @return latest status update
*/
public static HIDInfo getHIDInfo() {
return mHIDInfo;
}
/*
* Returns current state of the connection.
*
* @return state of the connection
*/
public static int getState() {
if (mConnectionManager != null) {
return mConnectionManager.getState();
} else {
return ConnectionManager.STATE_DISCONNECTED;
}
}
/*
* Returns last error code. See class InputStickError.
*
* @return last error code
*/
public static int getErrorCode() {
if (mConnectionManager != null) {
return mConnectionManager.getErrorCode();
} else {
return InputStickError.ERROR_UNKNOWN;
}
}
/*
* Checks if Bluetooth connection between Android device and InputStick is established.
* Note - InputStick may be not ready yet to accept keyboard/mouse data.
*
* @return true if Bluetooth connection is established
*/
public static boolean isConnected() {
if ((getState() == ConnectionManager.STATE_READY) || (getState() == ConnectionManager.STATE_CONNECTED)) {
return true;
} else {
return false;
}
}
/*
* Checks if InputStick is ready to accept keyboard/mouse/etc. data.
*
* @return true if InputStick is ready to accept data
*/
public static boolean isReady() {
if (getState() == ConnectionManager.STATE_READY) {
return true;
} else {
return false;
}
}
/*
* Adds InputStickStateListener. Listener will be notified when connection state changes.
*
* @param listener listener to add
*/
public static void addStateListener(InputStickStateListener listener) {
if (listener != null) {
if ( !mStateListeners.contains(listener)) {
mStateListeners.add(listener);
}
}
}
/*
* Removes InputStickStateListener. Listener will no longer be notified when connection state changes.
*
* @param listener listener to remove
*/
public static void removeStateListener(InputStickStateListener listener) {
if (listener != null) {
mStateListeners.remove(listener);
}
}
/*
* Adds OnEmptyBufferListener. Listeners will be notified when local (application) or remote (InputStick) HID report buffer is empty.
*
* @param listener listener to add
*/
public static void addBufferEmptyListener(OnEmptyBufferListener listener) {
if (listener != null) {
if ( !mBufferEmptyListeners.contains(listener)) {
mBufferEmptyListeners.add(listener);
}
}
}
/*
* Removes OnEmptyBufferListener.
*
* @param listener listener to remove
*/
public static void removeBufferEmptyListener(OnEmptyBufferListener listener) {
if (listener != null) {
mBufferEmptyListeners.remove(listener);
}
}
/*
* Returns vector with registered OnEmptyBuffer listeners.
*
* @return vector with OnEmptyBuffer listeners
*/
public static Vector<OnEmptyBufferListener> getBufferEmptyListeners() {
return mBufferEmptyListeners;
}
/*
* Adds transaction to keyboard queue.
* If possible, all reports form a single transactions will be sent in a single packet.
* This should prevent from key being stuck in pressed position when connection is suddenly lost.
*
* @param transaction transaction to be queued
*/
public static void addKeyboardTransaction(HIDTransaction transaction) {
if ((transaction != null) && (keyboardQueue != null)) {
//keyboardQueue.addTransaction(transaction);
if (mKeyboardReportMultiplier > 1) {
HIDTransaction multipliedTransaction = new HIDTransaction();
HIDReport r;
for (int i = 0; i < transaction.getReportsCount(); i++) {
r = transaction.getHIDReportAt(i);
for (int j = 0; j < mKeyboardReportMultiplier; j++) {
multipliedTransaction.addReport(r);
}
}
keyboardQueue.addTransaction(multipliedTransaction);
} else {
keyboardQueue.addTransaction(transaction);
}
}
}
/*
* Adds transaction to mouse queue.
* If possible, all reports form a single transactions will be sent in a single packet.
*
* @param transaction transaction to be queued
*/
public static void addMouseTransaction(HIDTransaction transaction) {
if ((transaction != null) && (mouseQueue != null)) {
mouseQueue.addTransaction(transaction);
}
}
/*
* Adds transaction to consumer control queue.
* If possible, all reports form a single transactions will be sent in a single packet.
*
* @param transaction transaction to be queued
*/
public static void addConsumerTransaction(HIDTransaction transaction) {
if ((transaction != null) && (consumerQueue != null)) {
consumerQueue.addTransaction(transaction);
}
}
/*
* Removes all reports from keyboard buffer.
*/
public static void clearKeyboardBuffer() {
if (keyboardQueue != null) {
keyboardQueue.clearBuffer();
}
}
/*
* Removes all reports from mouse buffer.
*/
public static void clearMouseBuffer() {
if (mouseQueue != null) {
mouseQueue.clearBuffer();
}
}
/*
* Removes all reports from consumer control buffer.
*/
public static void clearConsumerBuffer() {
if (consumerQueue != null) {
consumerQueue.clearBuffer();
}
}
/*
* Sends custom packet to InputStick.
*
* @param p packet to send.
*/
public static boolean sendPacket(Packet p) {
if (mConnectionManager != null) {
mConnectionManager.sendPacket(p);
return true;
} else {
return false;
}
}
/*
* Checks if local (Android device) keyboard report buffer is empty. It is possible that there are reports queued in InputStick's buffer.
*
* @return true if local keyboard buffer is empty, false otherwise
*/
public static boolean isKeyboardLocalBufferEmpty() {
if (keyboardQueue != null) {
return keyboardQueue.isLocalBufferEmpty();
} else {
return true;
}
}
/*
* Checks if local (Android device) mouse report buffer is empty. It is possible that there are reports queued in InputStick's buffer.
*
* @return true if local mouse buffer is empty, false otherwise
*/
public static boolean isMouseLocalBufferEmpty() {
if (mouseQueue != null) {
return mouseQueue.isLocalBufferEmpty();
} else {
return true;
}
}
/*
* Checks if local (Android device) consumer control report buffer is empty. It is possible that there are reports queued in InputStick's buffer.
*
* @return true if local consumer control buffer is empty, false otherwise
*/
public static boolean isConsumerLocalBufferEmpty() {
if (consumerQueue != null) {
return consumerQueue.isLocalBufferEmpty();
} else {
return true;
}
}
/*
* Checks if local (Android device) AND remote (InputStick) keyboard report buffers are empty.
*
* @return true if local and remote keyboard buffers are empty, false otherwise
*/
public static boolean isKeyboardRemoteBufferEmpty() {
if (keyboardQueue != null) {
return keyboardQueue.isRemoteBufferEmpty();
} else {
return true;
}
}
/*
* Checks if local (Android device) AND remote (InputStick) mouse report buffers are empty.
*
* @return true if local and remote mouse buffers are empty, false otherwise
*/
public static boolean isMouseRemoteBufferEmpty() {
if (mouseQueue != null) {
return mouseQueue.isRemoteBufferEmpty();
} else {
return true;
}
}
/*
* Checks if local (Android device) AND remote (InputStick) consumer control report buffers are empty.
*
* @return true if local and remote consumer control buffers are empty, false otherwise
*/
public static boolean isConsumerRemoteBufferEmpty() {
if (consumerQueue != null) {
return consumerQueue.isRemoteBufferEmpty();
} else {
return true;
}
}
@Override
public void onStateChanged(int state) {
if ((state == ConnectionManager.STATE_DISCONNECTED) && (updateQueueTimer != null)) {
updateQueueTimer.cancel();
updateQueueTimer = null;
}
for (InputStickStateListener listener : mStateListeners) {
listener.onStateChanged(state);
}
}
@Override
public void onInputStickData(byte[] data) {
byte cmd = data[0];
if (cmd == Packet.CMD_FW_INFO) {
mDeviceInfo = new DeviceInfo(data);
}
if (cmd == Packet.CMD_HID_STATUS) {
mHIDInfo.update(data);
if (mHIDInfo.isSentToHostInfoAvailable()) {
// >= FW 0.93
keyboardQueue.deviceReady(mHIDInfo, mHIDInfo.getKeyboardReportsSentToHost());
mouseQueue.deviceReady(mHIDInfo, mHIDInfo.getMouseReportsSentToHost());
consumerQueue.deviceReady(mHIDInfo, mHIDInfo.getConsumerReportsSentToHost());
if (mDeviceInfo != null) {
if ((updateQueueTimer == null) && (mDeviceInfo.getFirmwareVersion() < 97)) {
updateQueueTimer = new Timer();
updateQueueTimer.schedule(new TimerTask() {
@Override
public void run() {
keyboardQueue.sendToBuffer(false);
mouseQueue.sendToBuffer(false);
consumerQueue.sendToBuffer(false);
}
}, 5, 5);
}
}
} else {
//previous FW versions
if (mHIDInfo.isKeyboardReady()) {
keyboardQueue.deviceReady(null, 0);
}
if (mHIDInfo.isMouseReady()) {
mouseQueue.deviceReady(null, 0);
}
if (mHIDInfo.isConsumerReady()) {
consumerQueue.deviceReady(null, 0);
}
}
InputStickKeyboard.setLEDs(mHIDInfo.getNumLock(), mHIDInfo.getCapsLock(), mHIDInfo.getScrollLock());
}
}
}