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Pebble: add support for the (unreleased) internet helper addon

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This will use the internet helper application if it's available on the android device or fall back to existing methods if it doesn't.
This commit is contained in:
Daniele Gobbetti 2017-08-05 16:04:48 +02:00
parent 6916beabed
commit 7475d170a7
1 changed files with 76 additions and 2 deletions
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78
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/util/WebViewSingleton.java
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@ -3,17 +3,24 @@ package nodomain.freeyourgadget.gadgetbridge.util;
import android.Manifest;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.MutableContextWrapper;
import android.content.ServiceConnection;
import android.content.pm.PackageManager;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationManager;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.util.SparseArray;
@ -52,6 +59,7 @@ import java.util.Iterator;
import java.util.Map;
import java.util.Scanner;
import java.util.UUID;
import java.util.concurrent.CountDownLatch;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.deviceevents.GBDeviceEventAppMessage;
@ -67,6 +75,11 @@ public class WebViewSingleton {
private Looper mainLooper;
private static WebViewSingleton webViewSingleton = new WebViewSingleton();
private static UUID currentRunningUUID;
private static Messenger internetHelper = null;
private static boolean internetHelperBound;
private static CountDownLatch latch;
private static WebResourceResponse internetResponse;
final static Messenger internetHelperListener = new Messenger(new IncomingHandler());
private WebViewSingleton() {
}
@ -87,10 +100,48 @@ public class WebViewSingleton {
webSettings.setDomStorageEnabled(true);
//needed for localstorage
webSettings.setDatabaseEnabled(true);
Intent intent = new Intent();
intent.setComponent(new ComponentName("nodomain.freeyourgadget.internethelper", "nodomain.freeyourgadget.internethelper.MyService"));
context.getApplicationContext().bindService(intent, internetHelperConnection, Context.BIND_AUTO_CREATE);
}
return webViewSingleton.instance;
}
//Internet helper outgoing connection
private static ServiceConnection internetHelperConnection = new ServiceConnection() {
public void onServiceConnected(ComponentName className, IBinder service) {
internetHelperBound = true;
internetHelper = new Messenger(service);
}
public void onServiceDisconnected(ComponentName className) {
internetHelper = null;
internetHelperBound = false;
}
};
//Internet helper inbound (responses) handler
static class IncomingHandler extends Handler {
@Override
public void handleMessage(Message msg) {
Bundle data = msg.getData();
LOG.debug("WEBVIEW: internet helper returned: " + data.getString("response"));
Map<String, String> headers = new HashMap<>();
headers.put("Access-Control-Allow-Origin", "*");
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
internetResponse = new WebResourceResponse(data.getString("content-type"), data.getString("content-encoding"), 200, "OK",
headers,
new ByteArrayInputStream(data.getString("response").getBytes())
);
} else {
internetResponse = new WebResourceResponse(data.getString("content-type"), data.getString("content-encoding"), new ByteArrayInputStream(data.getString("response").getBytes()));
}
latch.countDown();
}
}
public static void updateActivityContext(Activity context) {
if (context != null) {
webViewSingleton.contextWrapper.setBaseContext(context);
@ -159,6 +210,10 @@ public class WebViewSingleton {
}
public static void disposeWebView() {
if (internetHelperBound) {
LOG.debug("WEBVIEW: will unbind the internet helper");
webViewSingleton.contextWrapper.getApplicationContext().unbindService(internetHelperConnection);
}
new Handler(webViewSingleton.mainLooper).post(new Runnable() {
@Override
public void run() {
@ -353,8 +408,27 @@ public class WebViewSingleton {
private WebResourceResponse mimicReply(Uri requestedUri) {
if (requestedUri.getHost() != null && requestedUri.getHost().contains("openweathermap.org")) {
LOG.debug("WEBVIEW request to openweathermap.org detected of type: " + requestedUri.getPath() + " params: " + requestedUri.getQuery());
return mimicOpenWeatherMapResponse(requestedUri.getPath(), requestedUri.getQueryParameter("units"));
if (internetHelperBound) {
LOG.debug("WEBVIEW forwarding request to the internet helper");
Bundle bundle = new Bundle();
bundle.putString("URL", requestedUri.toString());
Message webRequest = Message.obtain();
webRequest.replyTo = internetHelperListener;
webRequest.setData(bundle);
try {
latch = new CountDownLatch(1); //the messenger should run on a single thread, hence we don't need to be worried about concurrency. This approach however is certainly not ideal.
internetHelper.send(webRequest);
latch.await();
return internetResponse;
} catch (RemoteException | InterruptedException e) {
e.printStackTrace();
}
} else {
LOG.debug("WEBVIEW request to openweathermap.org detected of type: " + requestedUri.getPath() + " params: " + requestedUri.getQuery());
return mimicOpenWeatherMapResponse(requestedUri.getPath(), requestedUri.getQueryParameter("units"));
}
} else {
LOG.debug("WEBVIEW request:" + requestedUri.toString() + " not intercepted");
}