From ed559834ccddafa955df5b528f08fba964e57699 Mon Sep 17 00:00:00 2001 From: Trygve Laugstøl Date: Wed, 31 Dec 2014 16:31:49 +0100 Subject: o Initial import of Soil Moisture app. --- .../io/trygvis/android/bt/BtActionExecutor.java | 366 +++++++++++++++++++++ 1 file changed, 366 insertions(+) create mode 100644 app/src/main/java/io/trygvis/android/bt/BtActionExecutor.java (limited to 'app/src/main/java/io/trygvis/android/bt/BtActionExecutor.java') diff --git a/app/src/main/java/io/trygvis/android/bt/BtActionExecutor.java b/app/src/main/java/io/trygvis/android/bt/BtActionExecutor.java new file mode 100644 index 0000000..8cbf87c --- /dev/null +++ b/app/src/main/java/io/trygvis/android/bt/BtActionExecutor.java @@ -0,0 +1,366 @@ +package io.trygvis.android.bt; + +import android.bluetooth.BluetoothGatt; +import android.bluetooth.BluetoothGattCallback; +import android.bluetooth.BluetoothGattCharacteristic; +import android.bluetooth.BluetoothGattDescriptor; +import android.util.Log; + +import java.util.ArrayDeque; +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; +import java.util.Queue; + +import static io.trygvis.android.bt.BtActionExecutor.EventType.onCharacteristicChanged; +import static io.trygvis.android.bt.BtActionExecutor.EventType.onCharacteristicRead; +import static io.trygvis.android.bt.BtActionExecutor.EventType.onCharacteristicWrite; +import static io.trygvis.android.bt.BtActionExecutor.EventType.onConnectionStateChange; +import static io.trygvis.android.bt.BtActionExecutor.EventType.onDescriptorRead; +import static io.trygvis.android.bt.BtActionExecutor.EventType.onDescriptorWrite; +import static io.trygvis.android.bt.BtActionExecutor.EventType.onFailure; +import static io.trygvis.android.bt.BtActionExecutor.EventType.onReliableWriteCompleted; +import static io.trygvis.android.bt.BtActionExecutor.EventType.onServicesDiscovered; + +public class BtActionExecutor { + private final static String TAG = BtActionExecutor.class.getSimpleName(); + private final Queue actionQ = new ArrayDeque<>(); + private final Queue finallyQ = new ArrayDeque<>(); + private final List remoteRssi = new ArrayList<>(); + + public BtActionExecutor() { + } + + public BtActionExecutor(BtCallback first) { + actionQ.add(first); + } + +// public static final BtCallback waitForIt = new BtCallback("Wait for it") { +// @Override +// public boolean onCharacteristicWrite(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) { +// Log.w(TAG, "wait for it...!"); +// return true; +// } +// }; + +// public synchronized BtActionExecutor onSuccess(BtCallback btCallback) { +// actionQ.add(btCallback); +// return this; +// } + + public synchronized BtActionExecutor onConnectionStateChange(OnConnectionStateChange callback) { + actionQ.add(new BtCallback("onConnectionStateChange") { + @Override + public boolean onConnectionStateChange(BluetoothGatt gatt, int newState) { + return callback.onConnectionStateChange(gatt, newState); + } + }); + return this; + } + + public synchronized BtActionExecutor onServicesDiscovered(OnServicesDiscovered callback) { + actionQ.add(new BtCallback("onServicesDiscovered") { + @Override + public boolean onServicesDiscovered(BluetoothGatt gatt) { + return callback.onServicesDiscovered(gatt); + } + }); + return this; + } + + public synchronized BtActionExecutor onCharacteristicRead(OnCharacteristicRead callback) { + actionQ.add(new BtCallback("onCharacteristicRead") { + @Override + public boolean onCharacteristicRead(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) { + return callback.onCharacteristicRead(gatt, characteristic); + } + }); + return this; + } + + public synchronized BtActionExecutor onCharacteristicWrite(OnCharacteristicWrite callback) { + actionQ.add(new BtCallback("onCharacteristicWrite") { + @Override + public boolean onCharacteristicWrite(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) { + return callback.onCharacteristicWrite(gatt, characteristic); + } + }); + return this; + } + + public synchronized BtActionExecutor onCharacteristicChanged(OnCharacteristicChanged callback) { + actionQ.add(new BtCallback("onCharacteristicChanged") { + @Override + public boolean onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) { + return callback.onCharacteristicChanged(gatt, characteristic); + } + }); + return this; + } + + public synchronized BtActionExecutor onDescriptorRead(OnDescriptorRead callback) { + actionQ.add(new BtCallback("onDescriptorRead") { + @Override + public boolean onDescriptorRead(BluetoothGatt gatt, BluetoothGattDescriptor descriptor) { + return callback.onDescriptorRead(gatt, descriptor); + } + }); + return this; + } + + public synchronized BtActionExecutor onDescriptorWrite(OnDescriptorWrite callback) { + actionQ.add(new BtCallback("onDescriptorWrite") { + @Override + public boolean onDescriptorWrite(BluetoothGatt gatt, BluetoothGattDescriptor descriptor) { + return callback.onDescriptorWrite(gatt, descriptor); + } + }); + return this; + } + + public synchronized BtActionExecutor onReliableWriteCompleted(OnReliableWriteCompleted callback) { + actionQ.add(new BtCallback("onReliableWriteCompleted") { + @Override + public boolean onReliableWriteCompleted(BluetoothGatt gatt) { + return callback.onReliableWriteCompleted(gatt); + } + }); + return this; + } + + public synchronized BtActionExecutor onReadRemoteRssi(OnReadRemoteRssi callback) { + actionQ.add(new BtCallback("onReadRemoteRssi") { + @Override + public boolean onReadRemoteRssi(BluetoothGatt gatt, int rssi) { + return callback.onReadRemoteRssi(gatt, rssi); + } + }); + return this; + } + + public synchronized BtActionExecutor onFailure(OnFailure callback) { + actionQ.add(new BtCallback("onFailure") { + @Override + public void onFailure() { + callback.onFailure(); + } + }); + return this; + } + + public static interface OnConnectionStateChange { + boolean onConnectionStateChange(BluetoothGatt gatt, int newState); + } + + public static interface OnServicesDiscovered { + boolean onServicesDiscovered(BluetoothGatt gatt); + } + + public static interface OnCharacteristicRead { + boolean onCharacteristicRead(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic); + } + + public static interface OnCharacteristicWrite { + boolean onCharacteristicWrite(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic); + } + + public static interface OnCharacteristicChanged { + boolean onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic); + } + + public static interface OnDescriptorRead { + boolean onDescriptorRead(BluetoothGatt gatt, BluetoothGattDescriptor descriptor); + } + + public static interface OnDescriptorWrite { + boolean onDescriptorWrite(BluetoothGatt gatt, BluetoothGattDescriptor descriptor); + } + + public static interface OnReliableWriteCompleted { + boolean onReliableWriteCompleted(BluetoothGatt gatt); + } + + public static interface OnReadRemoteRssi { + boolean onReadRemoteRssi(BluetoothGatt gatt, int rssi); + } + + public static interface OnFailure { + void onFailure(); + } + + public synchronized BtActionExecutor addFinally(BtCallback btCallback) { + finallyQ.add(btCallback); + return this; + } + +// public synchronized BtActionExecutor onRemoteRssi(BluetoothGattCallback callback) { +// remoteRssi.add(callback); +// return this; +// } + + void onEvent(EventType key, String values, BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, BluetoothGattDescriptor descriptor, int status, int newState) { + if (status != BluetoothGatt.GATT_SUCCESS) { + Log.w(TAG, "Operation failed: " + key + ", " + values); + doFinally(); + return; + } + + Log.i(TAG, "Bt action completed successfully: callback=" + key); + + BtCallback btCallback; + synchronized (this) { + if (actionQ.isEmpty()) { + Log.d(TAG, "All Bluetooth actions are done"); + + doFinally(); + return; + } + + try { + Thread.sleep(1000); + } catch (InterruptedException e) { + // ignore + } + btCallback = actionQ.remove(); + Log.i(TAG, "Executing bt action: " + btCallback.name); + } + + try { + boolean ok = callCallback(key, gatt, characteristic, descriptor, newState, btCallback); + + if (!ok) { + Log.w(TAG, "The callback don't want to continue."); + doFinally(); + } + + if (actionQ.isEmpty()) { + Log.i(TAG, "The queue is empty"); + } + } catch (NotOverriddenException e) { + Log.w(TAG, "Unexpected callback by listener: " + key); + doFinally(); + } + } + + private void doFinally() { + actionQ.clear(); + + for (BtCallback callback = finallyQ.poll(); callback != null; callback = finallyQ.poll()) { + try { + callCallback(onFailure, null, null, null, 0, callback); + } catch (NotOverriddenException e) { + return; + } + } + } + + enum EventType { + onConnectionStateChange, + onServicesDiscovered, + onCharacteristicRead, + onCharacteristicWrite, + onCharacteristicChanged, + onDescriptorRead, + onDescriptorWrite, + onReliableWriteCompleted, + + onFailure, + } + + private Boolean callCallback(EventType key, BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, BluetoothGattDescriptor descriptor, int newState, BtCallback btCallback) { + switch (key) { + case onConnectionStateChange: + return btCallback.onConnectionStateChange(gatt, newState); + case onServicesDiscovered: + return btCallback.onServicesDiscovered(gatt); + case onCharacteristicRead: + return btCallback.onCharacteristicRead(gatt, characteristic); + case onCharacteristicWrite: + return btCallback.onCharacteristicWrite(gatt, characteristic); + case onCharacteristicChanged: + return btCallback.onCharacteristicChanged(gatt, characteristic); + case onDescriptorRead: + return btCallback.onDescriptorRead(gatt, descriptor); + case onDescriptorWrite: + return btCallback.onDescriptorWrite(gatt, descriptor); + case onReliableWriteCompleted: + return btCallback.onReliableWriteCompleted(gatt); + + case onFailure: + btCallback.onFailure(); + return null; + default: + Log.w(TAG, "Unknown callback: " + key); + return null; + } + } + + public String toString() { + StringBuilder s = new StringBuilder("Queue: "); + + Iterator it = actionQ.iterator(); + + int i = 0; + while (it.hasNext()) { + BtCallback c = it.next(); + if (i > 0) { + s.append(", "); + } + s.append(c.name); + i++; + } + + return s.toString(); + } + + public BluetoothGattCallback asCallback() { + return new BluetoothGattCallback() { + @Override + public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) { + onEvent(onConnectionStateChange, "status=" + status + ", newState=" + newState, gatt, null, null, status, newState); + } + + @Override + public void onServicesDiscovered(BluetoothGatt gatt, int status) { + onEvent(onServicesDiscovered, "status=" + status, gatt, null, null, status, 9); + } + + @Override + public void onCharacteristicRead(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) { + onEvent(onCharacteristicRead, "status=" + status + ", characteristic=" + characteristic.getUuid(), gatt, characteristic, null, status, 0); + } + + @Override + public void onCharacteristicWrite(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) { + onEvent(onCharacteristicWrite, "status=" + status + ", characteristic=" + characteristic.getUuid(), gatt, characteristic, null, status, 0); + } + + @Override + public void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) { + onEvent(onCharacteristicChanged, "characteristic=" + characteristic.getUuid(), gatt, characteristic, null, BluetoothGatt.GATT_SUCCESS, 0); + } + + @Override + public void onDescriptorRead(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) { + onEvent(onDescriptorRead, "status=" + status + ", descriptor=" + descriptor.getUuid(), gatt, null, descriptor, status, 0); + } + + @Override + public void onDescriptorWrite(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) { + onEvent(onDescriptorWrite, "status=" + status + ", descriptor=" + descriptor.getUuid(), gatt, null, descriptor, status, 0); + } + + @Override + public void onReliableWriteCompleted(BluetoothGatt gatt, int status) { + onEvent(onReliableWriteCompleted, "status=" + status, gatt, null, null, status, 0); + } + + @Override + public void onReadRemoteRssi(BluetoothGatt gatt, int rssi, int status) { + for (BluetoothGattCallback callback : remoteRssi) { + callback.onReadRemoteRssi(gatt, rssi, status); + } + } + }; + } +} -- cgit v1.2.3