mirror of
https://github.com/mauiaaron/apple2.git
synced 2024-09-27 09:56:08 +00:00
Source InputManager from AOSP
This commit is contained in:
Aaron Culliney
parent
d69b416c58
commit
1c50d12963
@ -0,0 +1,140 @@
|
||||
/*
|
||||
* Copyright (C) 2013 The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package com.example.inputmanagercompat;
|
||||
|
||||
import android.content.Context;
|
||||
import android.os.Build;
|
||||
import android.os.Handler;
|
||||
import android.view.InputDevice;
|
||||
import android.view.MotionEvent;
|
||||
|
||||
public interface InputManagerCompat {
|
||||
/**
|
||||
* Gets information about the input device with the specified id.
|
||||
*
|
||||
* @param id The device id
|
||||
* @return The input device or null if not found
|
||||
*/
|
||||
public InputDevice getInputDevice(int id);
|
||||
|
||||
/**
|
||||
* Gets the ids of all input devices in the system.
|
||||
*
|
||||
* @return The input device ids.
|
||||
*/
|
||||
public int[] getInputDeviceIds();
|
||||
|
||||
/**
|
||||
* Registers an input device listener to receive notifications about when
|
||||
* input devices are added, removed or changed.
|
||||
*
|
||||
* @param listener The listener to register.
|
||||
* @param handler The handler on which the listener should be invoked, or
|
||||
* null if the listener should be invoked on the calling thread's
|
||||
* looper.
|
||||
*/
|
||||
public void registerInputDeviceListener(InputManagerCompat.InputDeviceListener listener,
|
||||
Handler handler);
|
||||
|
||||
/**
|
||||
* Unregisters an input device listener.
|
||||
*
|
||||
* @param listener The listener to unregister.
|
||||
*/
|
||||
public void unregisterInputDeviceListener(InputManagerCompat.InputDeviceListener listener);
|
||||
|
||||
/*
|
||||
* The following three calls are to simulate V16 behavior on pre-Jellybean
|
||||
* devices. If you don't call them, your callback will never be called
|
||||
* pre-API 16.
|
||||
*/
|
||||
|
||||
/**
|
||||
* Pass the motion events to the InputManagerCompat. This is used to
|
||||
* optimize for polling for controllers. If you do not pass these events in,
|
||||
* polling will cause regular object creation.
|
||||
*
|
||||
* @param event the motion event from the app
|
||||
*/
|
||||
public void onGenericMotionEvent(MotionEvent event);
|
||||
|
||||
/**
|
||||
* Tell the V9 input manager that it should stop polling for disconnected
|
||||
* devices. You can call this during onPause in your activity, although you
|
||||
* might want to call it whenever your game is not active (or whenever you
|
||||
* don't care about being notified of new input devices)
|
||||
*/
|
||||
public void onPause();
|
||||
|
||||
/**
|
||||
* Tell the V9 input manager that it should start polling for disconnected
|
||||
* devices. You can call this during onResume in your activity, although you
|
||||
* might want to call it less often (only when the gameplay is actually
|
||||
* active)
|
||||
*/
|
||||
public void onResume();
|
||||
|
||||
public interface InputDeviceListener {
|
||||
/**
|
||||
* Called whenever the input manager detects that a device has been
|
||||
* added. This will only be called in the V9 version when a motion event
|
||||
* is detected.
|
||||
*
|
||||
* @param deviceId The id of the input device that was added.
|
||||
*/
|
||||
void onInputDeviceAdded(int deviceId);
|
||||
|
||||
/**
|
||||
* Called whenever the properties of an input device have changed since
|
||||
* they were last queried. This will not be called for the V9 version of
|
||||
* the API.
|
||||
*
|
||||
* @param deviceId The id of the input device that changed.
|
||||
*/
|
||||
void onInputDeviceChanged(int deviceId);
|
||||
|
||||
/**
|
||||
* Called whenever the input manager detects that a device has been
|
||||
* removed. For the V9 version, this can take some time depending on the
|
||||
* poll rate.
|
||||
*
|
||||
* @param deviceId The id of the input device that was removed.
|
||||
*/
|
||||
void onInputDeviceRemoved(int deviceId);
|
||||
}
|
||||
|
||||
/**
|
||||
* Use this to construct a compatible InputManager.
|
||||
*/
|
||||
public static class Factory {
|
||||
|
||||
/**
|
||||
* Constructs and returns a compatible InputManger
|
||||
*
|
||||
* @param context the Context that will be used to get the system
|
||||
* service from
|
||||
* @return a compatible implementation of InputManager
|
||||
*/
|
||||
public static InputManagerCompat getInputManager(Context context) {
|
||||
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
|
||||
return new InputManagerV16(context);
|
||||
} else {
|
||||
return new InputManagerV9();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,107 @@
|
||||
/*
|
||||
* Copyright (C) 2013 The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package com.example.inputmanagercompat;
|
||||
|
||||
import android.annotation.TargetApi;
|
||||
import android.content.Context;
|
||||
import android.hardware.input.InputManager;
|
||||
import android.os.Build;
|
||||
import android.os.Handler;
|
||||
import android.view.InputDevice;
|
||||
import android.view.MotionEvent;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
|
||||
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
|
||||
public class InputManagerV16 implements InputManagerCompat {
|
||||
|
||||
private final InputManager mInputManager;
|
||||
private final Map<InputManagerCompat.InputDeviceListener, V16InputDeviceListener> mListeners;
|
||||
|
||||
public InputManagerV16(Context context) {
|
||||
mInputManager = (InputManager) context.getSystemService(Context.INPUT_SERVICE);
|
||||
mListeners = new HashMap<InputManagerCompat.InputDeviceListener, V16InputDeviceListener>();
|
||||
}
|
||||
|
||||
@Override
|
||||
public InputDevice getInputDevice(int id) {
|
||||
return mInputManager.getInputDevice(id);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int[] getInputDeviceIds() {
|
||||
return mInputManager.getInputDeviceIds();
|
||||
}
|
||||
|
||||
static class V16InputDeviceListener implements InputManager.InputDeviceListener {
|
||||
final InputManagerCompat.InputDeviceListener mIDL;
|
||||
|
||||
public V16InputDeviceListener(InputDeviceListener idl) {
|
||||
mIDL = idl;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onInputDeviceAdded(int deviceId) {
|
||||
mIDL.onInputDeviceAdded(deviceId);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onInputDeviceChanged(int deviceId) {
|
||||
mIDL.onInputDeviceChanged(deviceId);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onInputDeviceRemoved(int deviceId) {
|
||||
mIDL.onInputDeviceRemoved(deviceId);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void registerInputDeviceListener(InputDeviceListener listener, Handler handler) {
|
||||
V16InputDeviceListener v16Listener = new V16InputDeviceListener(listener);
|
||||
mInputManager.registerInputDeviceListener(v16Listener, handler);
|
||||
mListeners.put(listener, v16Listener);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void unregisterInputDeviceListener(InputDeviceListener listener) {
|
||||
V16InputDeviceListener curListener = mListeners.remove(listener);
|
||||
if (null != curListener)
|
||||
{
|
||||
mInputManager.unregisterInputDeviceListener(curListener);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onGenericMotionEvent(MotionEvent event) {
|
||||
// unused in V16
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onPause() {
|
||||
// unused in V16
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onResume() {
|
||||
// unused in V16
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,211 @@
|
||||
/*
|
||||
* Copyright (C) 2013 The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package com.example.inputmanagercompat;
|
||||
|
||||
import android.os.Handler;
|
||||
import android.os.Message;
|
||||
import android.os.SystemClock;
|
||||
import android.util.Log;
|
||||
import android.util.SparseArray;
|
||||
import android.view.InputDevice;
|
||||
import android.view.MotionEvent;
|
||||
|
||||
import java.lang.ref.WeakReference;
|
||||
import java.util.ArrayDeque;
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
import java.util.Queue;
|
||||
|
||||
public class InputManagerV9 implements InputManagerCompat {
|
||||
private static final String LOG_TAG = "InputManagerV9";
|
||||
private static final int MESSAGE_TEST_FOR_DISCONNECT = 101;
|
||||
private static final long CHECK_ELAPSED_TIME = 3000L;
|
||||
|
||||
private static final int ON_DEVICE_ADDED = 0;
|
||||
private static final int ON_DEVICE_CHANGED = 1;
|
||||
private static final int ON_DEVICE_REMOVED = 2;
|
||||
|
||||
private final SparseArray<long[]> mDevices;
|
||||
private final Map<InputDeviceListener, Handler> mListeners;
|
||||
private final Handler mDefaultHandler;
|
||||
|
||||
private static class PollingMessageHandler extends Handler {
|
||||
private final WeakReference<InputManagerV9> mInputManager;
|
||||
|
||||
PollingMessageHandler(InputManagerV9 im) {
|
||||
mInputManager = new WeakReference<InputManagerV9>(im);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void handleMessage(Message msg) {
|
||||
super.handleMessage(msg);
|
||||
switch (msg.what) {
|
||||
case MESSAGE_TEST_FOR_DISCONNECT:
|
||||
InputManagerV9 imv = mInputManager.get();
|
||||
if (null != imv) {
|
||||
long time = SystemClock.elapsedRealtime();
|
||||
int size = imv.mDevices.size();
|
||||
for (int i = 0; i < size; i++) {
|
||||
long[] lastContact = imv.mDevices.valueAt(i);
|
||||
if (null != lastContact) {
|
||||
if (time - lastContact[0] > CHECK_ELAPSED_TIME) {
|
||||
// check to see if the device has been
|
||||
// disconnected
|
||||
int id = imv.mDevices.keyAt(i);
|
||||
if (null == InputDevice.getDevice(id)) {
|
||||
// disconnected!
|
||||
imv.notifyListeners(ON_DEVICE_REMOVED, id);
|
||||
imv.mDevices.remove(id);
|
||||
} else {
|
||||
lastContact[0] = time;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
sendEmptyMessageDelayed(MESSAGE_TEST_FOR_DISCONNECT,
|
||||
CHECK_ELAPSED_TIME);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
public InputManagerV9() {
|
||||
mDevices = new SparseArray<long[]>();
|
||||
mListeners = new HashMap<InputDeviceListener, Handler>();
|
||||
mDefaultHandler = new PollingMessageHandler(this);
|
||||
// as a side-effect, populates our collection of watched
|
||||
// input devices
|
||||
getInputDeviceIds();
|
||||
}
|
||||
|
||||
@Override
|
||||
public InputDevice getInputDevice(int id) {
|
||||
return InputDevice.getDevice(id);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int[] getInputDeviceIds() {
|
||||
// add any hitherto unknown devices to our
|
||||
// collection of watched input devices
|
||||
int[] activeDevices = InputDevice.getDeviceIds();
|
||||
long time = SystemClock.elapsedRealtime();
|
||||
for ( int id : activeDevices ) {
|
||||
long[] lastContact = mDevices.get(id);
|
||||
if ( null == lastContact ) {
|
||||
// we have a new device
|
||||
mDevices.put(id, new long[] { time });
|
||||
}
|
||||
}
|
||||
return activeDevices;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void registerInputDeviceListener(InputDeviceListener listener, Handler handler) {
|
||||
mListeners.remove(listener);
|
||||
if (handler == null) {
|
||||
handler = mDefaultHandler;
|
||||
}
|
||||
mListeners.put(listener, handler);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void unregisterInputDeviceListener(InputDeviceListener listener) {
|
||||
mListeners.remove(listener);
|
||||
}
|
||||
|
||||
private void notifyListeners(int why, int deviceId) {
|
||||
// the state of some device has changed
|
||||
if (!mListeners.isEmpty()) {
|
||||
// yes... this will cause an object to get created... hopefully
|
||||
// it won't happen very often
|
||||
for (InputDeviceListener listener : mListeners.keySet()) {
|
||||
Handler handler = mListeners.get(listener);
|
||||
DeviceEvent odc = DeviceEvent.getDeviceEvent(why, deviceId, listener);
|
||||
handler.post(odc);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static class DeviceEvent implements Runnable {
|
||||
private int mMessageType;
|
||||
private int mId;
|
||||
private InputDeviceListener mListener;
|
||||
private static Queue<DeviceEvent> sEventQueue = new ArrayDeque<DeviceEvent>();
|
||||
|
||||
private DeviceEvent() {
|
||||
}
|
||||
|
||||
static DeviceEvent getDeviceEvent(int messageType, int id,
|
||||
InputDeviceListener listener) {
|
||||
DeviceEvent curChanged = sEventQueue.poll();
|
||||
if (null == curChanged) {
|
||||
curChanged = new DeviceEvent();
|
||||
}
|
||||
curChanged.mMessageType = messageType;
|
||||
curChanged.mId = id;
|
||||
curChanged.mListener = listener;
|
||||
return curChanged;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void run() {
|
||||
switch (mMessageType) {
|
||||
case ON_DEVICE_ADDED:
|
||||
mListener.onInputDeviceAdded(mId);
|
||||
break;
|
||||
case ON_DEVICE_CHANGED:
|
||||
mListener.onInputDeviceChanged(mId);
|
||||
break;
|
||||
case ON_DEVICE_REMOVED:
|
||||
mListener.onInputDeviceRemoved(mId);
|
||||
break;
|
||||
default:
|
||||
Log.e(LOG_TAG, "Unknown Message Type");
|
||||
break;
|
||||
}
|
||||
// dump this runnable back in the queue
|
||||
sEventQueue.offer(this);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onGenericMotionEvent(MotionEvent event) {
|
||||
// detect new devices
|
||||
int id = event.getDeviceId();
|
||||
long[] timeArray = mDevices.get(id);
|
||||
if (null == timeArray) {
|
||||
notifyListeners(ON_DEVICE_ADDED, id);
|
||||
timeArray = new long[1];
|
||||
mDevices.put(id, timeArray);
|
||||
}
|
||||
long time = SystemClock.elapsedRealtime();
|
||||
timeArray[0] = time;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onPause() {
|
||||
mDefaultHandler.removeMessages(MESSAGE_TEST_FOR_DISCONNECT);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onResume() {
|
||||
mDefaultHandler.sendEmptyMessage(MESSAGE_TEST_FOR_DISCONNECT);
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user