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Richard 2013-01-15 06:43:50 +01:00
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src/com/gimpusers/xorgtablet/CanvasView.java Normal file
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package com.gimpusers.xorgtablet;
import java.util.concurrent.ExecutionException;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.os.AsyncTask;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Toast;
@SuppressLint("ViewConstructor")
public class CanvasView extends View implements OnSharedPreferenceChangeListener {
final static int PRESSURE_RESOLUTION = 10000;
XorgClient xorgClient;
SharedPreferences settings;
boolean acceptStylusOnly;
public CanvasView(Context context, XorgClient xorgClient) {
super(context);
// disable until networking has been configured
setEnabled(false);
setBackgroundColor(0xFFD0D0D0);
settings = PreferenceManager.getDefaultSharedPreferences(context);
settings.registerOnSharedPreferenceChangeListener(this);
reconfigureAcceptedInputDevices();
this.xorgClient = xorgClient;
new ConfigureNetworkingTask().execute();
}
@Override
public void onSharedPreferenceChanged(SharedPreferences pref, String key) {
if (key.equals(SettingsActivity.KEY_PREF_HOST))
new ConfigureNetworkingTask().execute();
else if (key.equals(SettingsActivity.KEY_PREF_STYLUS_ONLY))
reconfigureAcceptedInputDevices();
}
void reconfigureAcceptedInputDevices() {
acceptStylusOnly = settings.getBoolean(SettingsActivity.KEY_PREF_STYLUS_ONLY, false);
}
@Override
protected void onSizeChanged (int w, int h, int oldw, int oldh) {
Toast.makeText(getContext(), String.format("%dx%d", w, h), Toast.LENGTH_SHORT).show();
xorgClient.getQueue().add(new XConfigurationEvent(w, h, PRESSURE_RESOLUTION));
}
@Override
public boolean onGenericMotionEvent(MotionEvent event) {
if (isEnabled()) {
for (int ptr = 0; ptr < event.getPointerCount(); ptr++)
if (!acceptStylusOnly || (event.getToolType(ptr) == MotionEvent.TOOL_TYPE_STYLUS)) {
//Log.i("XorgTablet", String.format("Generic motion event logged: %f|%f, pressure %f", event.getX(ptr), event.getY(ptr), event.getPressure(ptr)));
if (event.getActionMasked() == MotionEvent.ACTION_HOVER_MOVE)
xorgClient.getQueue().add(new XMotionEvent((int)event.getX(ptr), (int)event.getY(ptr), (int)event.getPressure(ptr)*PRESSURE_RESOLUTION));
}
return true;
}
return false;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (isEnabled()) {
for (int ptr = 0; ptr < event.getPointerCount(); ptr++)
if (!acceptStylusOnly || (event.getToolType(ptr) == MotionEvent.TOOL_TYPE_STYLUS)) {
//Log.i("XorgTablet", String.format("Touch event logged: %f|%f, pressure %f", event.getX(ptr), event.getY(ptr), event.getPressure(ptr)));
switch (event.getActionMasked()) {
case MotionEvent.ACTION_MOVE:
xorgClient.getQueue().add(new XMotionEvent((int)event.getX(ptr), (int)event.getY(ptr), (int)event.getPressure(ptr)*PRESSURE_RESOLUTION));
break;
case MotionEvent.ACTION_DOWN:
xorgClient.getQueue().add(new XButtonEvent((int)event.getX(ptr), (int)event.getY(ptr), (int)event.getPressure(ptr)*PRESSURE_RESOLUTION, true));
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
xorgClient.getQueue().add(new XButtonEvent((int)event.getX(ptr), (int)event.getY(ptr), (int)event.getPressure(ptr)*PRESSURE_RESOLUTION, false));
break;
}
}
return true;
}
return false;
}
private class ConfigureNetworkingTask extends AsyncTask<Void, Void, Boolean> {
@Override
protected Boolean doInBackground(Void... params) {
return xorgClient.configureNetworking();
}
protected void onPostExecute(Boolean success) {
if (success)
setEnabled(true);
else {
setEnabled(false);
Toast.makeText(getContext(), "Unknown host name, network tablet disabled!", Toast.LENGTH_LONG).show();
}
}
}
}