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package org.robolectric.shadows;
import static android.os.Build.VERSION_CODES.KITKAT;
import static android.os.Build.VERSION_CODES.P;
import static android.os.Build.VERSION_CODES.S;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothHeadset;
import android.bluetooth.BluetoothProfile;
import android.content.Intent;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import javax.annotation.Nullable;
import javax.annotation.concurrent.NotThreadSafe;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Implementation;
import org.robolectric.annotation.Implements;
/** Shadow for {@link BluetoothHeadset} */
@NotThreadSafe
@Implements(value = BluetoothHeadset.class)
public class ShadowBluetoothHeadset {
private final List<BluetoothDevice> connectedDevices = new ArrayList<>();
private boolean allowsSendVendorSpecificResultCode = true;
private BluetoothDevice activeBluetoothDevice;
private boolean isVoiceRecognitionSupported = true;
/**
* Overrides behavior of {@link getConnectedDevices}. Returns list of devices that is set up by
* call(s) to {@link ShadowBluetoothHeadset#addConnectedDevice}. Returns an empty list by default.
*/
@Implementation
protected List<BluetoothDevice> getConnectedDevices() {
return connectedDevices;
}
/** Adds the given BluetoothDevice to the shadow's list of "connected devices" */
public void addConnectedDevice(BluetoothDevice device) {
connectedDevices.add(device);
}
/**
* Overrides behavior of {@link getConnectionState}.
*
* @return {@code BluetoothProfile.STATE_CONNECTED} if the given device has been previously added
* by a call to {@link ShadowBluetoothHeadset#addConnectedDevice}, and {@code
* BluetoothProfile.STATE_DISCONNECTED} otherwise.
*/
@Implementation
protected int getConnectionState(BluetoothDevice device) {
return connectedDevices.contains(device)
? BluetoothProfile.STATE_CONNECTED
: BluetoothProfile.STATE_DISCONNECTED;
}
/**
* Overrides behavior of {@link startVoiceRecognition}. Returns false if 'bluetoothDevice' is null
* or voice recognition is already started. Users can listen to {@link
* ACTION_AUDIO_STATE_CHANGED}. If this function returns true, this intent will be broadcasted
* once with {@link BluetoothProfile.EXTRA_STATE} set to {@link STATE_AUDIO_CONNECTING} and once
* set to {@link STATE_AUDIO_CONNECTED}.
*/
@Implementation
protected boolean startVoiceRecognition(BluetoothDevice bluetoothDevice) {
if (bluetoothDevice == null || !connectedDevices.contains(bluetoothDevice)) {
return false;
}
if (activeBluetoothDevice != null) {
stopVoiceRecognition(activeBluetoothDevice);
return false;
}
sendAudioStateChangedBroadcast(BluetoothHeadset.STATE_AUDIO_CONNECTING, bluetoothDevice);
sendAudioStateChangedBroadcast(BluetoothHeadset.STATE_AUDIO_CONNECTED, bluetoothDevice);
activeBluetoothDevice = bluetoothDevice;
return true;
}
/**
* Overrides the behavior of {@link stopVoiceRecognition}. Returns false if voice recognition was
* not started or voice recogntion has already ended on this headset. If this function returns
* true, {@link ACTION_AUDIO_STATE_CHANGED} intent is broadcasted with {@link
* BluetoothProfile.EXTRA_STATE} set to {@link STATE_DISCONNECTED}.
*/
@Implementation
protected boolean stopVoiceRecognition(BluetoothDevice bluetoothDevice) {
boolean isDeviceActive = isDeviceActive(bluetoothDevice);
activeBluetoothDevice = null;
if (isDeviceActive) {
sendAudioStateChangedBroadcast(BluetoothHeadset.STATE_AUDIO_DISCONNECTED, bluetoothDevice);
}
return isDeviceActive;
}
@Implementation
protected boolean isAudioConnected(BluetoothDevice bluetoothDevice) {
return isDeviceActive(bluetoothDevice);
}
/**
* Overrides behavior of {@link sendVendorSpecificResultCode}.
*
* @return 'true' only if the given device has been previously added by a call to {@link
* ShadowBluetoothHeadset#addConnectedDevice} and {@link
* ShadowBluetoothHeadset#setAllowsSendVendorSpecificResultCode} has not been called with
* 'false' argument.
* @throws IllegalArgumentException if 'command' argument is null, per Android API
*/
@Implementation(minSdk = KITKAT)
protected boolean sendVendorSpecificResultCode(
BluetoothDevice device, String command, String arg) {
if (command == null) {
throw new IllegalArgumentException("Command cannot be null");
}
return allowsSendVendorSpecificResultCode && connectedDevices.contains(device);
}
@Nullable
@Implementation(minSdk = P)
protected BluetoothDevice getActiveDevice() {
return activeBluetoothDevice;
}
@Implementation(minSdk = P)
protected boolean setActiveDevice(@Nullable BluetoothDevice bluetoothDevice) {
activeBluetoothDevice = bluetoothDevice;
Intent intent = new Intent(BluetoothHeadset.ACTION_ACTIVE_DEVICE_CHANGED);
intent.putExtra(BluetoothDevice.EXTRA_DEVICE, activeBluetoothDevice);
RuntimeEnvironment.getApplication().sendBroadcast(intent);
return true;
}
/**
* Sets whether the headset supports voice recognition.
*
* <p>By default voice recognition is supported.
*
* @see #isVoiceRecognitionSupported(BluetoothDevice)
*/
public void setVoiceRecognitionSupported(boolean supported) {
isVoiceRecognitionSupported = supported;
}
/**
* Checks whether the headset supports voice recognition.
*
* @see #setVoiceRecognitionSupported(boolean)
*/
@Implementation(minSdk = S)
protected boolean isVoiceRecognitionSupported(BluetoothDevice device) {
return isVoiceRecognitionSupported;
}
/**
* Affects the behavior of {@link BluetoothHeadset#sendVendorSpecificResultCode}
*
* @param allowsSendVendorSpecificResultCode can be set to 'false' to simulate the situation where
* the system is unable to send vendor-specific result codes to a device
*/
public void setAllowsSendVendorSpecificResultCode(boolean allowsSendVendorSpecificResultCode) {
this.allowsSendVendorSpecificResultCode = allowsSendVendorSpecificResultCode;
}
private boolean isDeviceActive(BluetoothDevice bluetoothDevice) {
return Objects.equals(activeBluetoothDevice, bluetoothDevice);
}
private static void sendAudioStateChangedBroadcast(
int bluetoothProfileExtraState, BluetoothDevice bluetoothDevice) {
Intent connectedIntent =
new Intent(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED)
.putExtra(BluetoothProfile.EXTRA_STATE, bluetoothProfileExtraState)
.putExtra(BluetoothDevice.EXTRA_DEVICE, bluetoothDevice);
RuntimeEnvironment.getApplication().sendBroadcast(connectedIntent);
}
}
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