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// SPDX-License-Identifier: GPL-2.0
// Java classes for handling Intents on Android (which in this case means
// Subsurface-mobile receiving notifaction that an FTDI dive computer was
// plugged in
// Created while looking at https://github.com/ekke/ekkesSHAREexample
package org.subsurfacedivelog.mobile;
import org.qtproject.qt5.android.QtNative;
import org.qtproject.qt5.android.bindings.QtActivity;
import android.os.*;
import android.content.*;
import android.app.*;
import java.lang.String;
import android.content.Intent;
import android.hardware.usb.UsbDevice;
import android.hardware.usb.UsbManager;
import android.util.Log;
// this is the main class that will be run at start
public class SubsurfaceMobileActivity extends QtActivity
{
public static boolean isIntentPending;
public static boolean isInitialized;
private static final String TAG = "subsurfacedivelog.mobile";
public static native void setUsbDevice(UsbDevice usbDevice);
public static native void restartDownload(UsbDevice usbDevice);
private static Context appContext;
// we need to provide two endpoints:
// onNewIntent if we receive an Intent while running
// onCreate if we were started by an Intent
@Override
public void onCreate(Bundle savedInstanceState)
{
Log.i(TAG + " onCreate", "onCreate SubsurfaceMobileActivity");
super.onCreate(savedInstanceState);
appContext = getApplicationContext();
// now we're checking if the App was started from another Android App via Intent
Intent theIntent = getIntent();
if (theIntent != null) {
String theAction = theIntent.getAction();
if (theAction != null) {
Log.i(TAG + " onCreate", theAction);
isIntentPending = true;
}
}
// Register the usb permission intent filter.
IntentFilter filter = new IntentFilter("org.subsurfacedivelog.mobile.USB_PERMISSION");
registerReceiver(usbReceiver, filter);
} // onCreate
// if we are opened from other apps:
@Override
public void onNewIntent(Intent intent)
{
Log.i(TAG + " onNewIntent", intent.getAction());
UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
if (device == null) {
Log.i(TAG + " onNewIntent", "null device");
return;
}
Log.i(TAG + " onNewIntent toString", device.toString());
super.onNewIntent(intent);
setIntent(intent);
// Intent will be processed, if all is initialized and Qt / QML can handle the event
if (isInitialized) {
processIntent();
} else {
isIntentPending = true;
}
} // onNewIntent
public void checkPendingIntents()
{
isInitialized = true;
if (isIntentPending) {
isIntentPending = false;
Log.i(TAG + " checkPendingIntents", "checkPendingIntents: true");
processIntent();
} else {
Log.i(TAG + " checkPendingIntents", "nothingPending");
}
} // checkPendingIntents
private void processIntent()
{
Intent intent = getIntent();
if (intent == null) {
Log.i(TAG + " processIntent", "intent is null");
return;
}
Log.i(TAG + " processIntent", intent.getAction());
UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
if (device == null) {
Log.i(TAG + " processIntent", "null device");
return;
}
Log.i(TAG + " processIntent device name", device.getDeviceName());
setUsbDevice(device);
} // processIntent
private final BroadcastReceiver usbReceiver = new BroadcastReceiver()
{
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if ("org.subsurfacedivelog.mobile.USB_PERMISSION".equals(action)) {
synchronized (this) {
if (intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false)) {
UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
if (device == null) {
Log.i(TAG, " permission granted but null device");
return;
}
Log.d(TAG, "USB device permission granted for " + device.getDeviceName());
restartDownload(device);
} else {
Log.d(TAG, "USB device permission denied");
}
}
}
}
};
public static Context getAppContext()
{
return appContext;
}
}
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