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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.geckoview.example.messaging;
import android.os.Bundle;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import org.json.JSONException;
import org.json.JSONObject;
import org.mozilla.geckoview.GeckoResult;
import org.mozilla.geckoview.GeckoRuntime;
import org.mozilla.geckoview.GeckoRuntimeSettings;
import org.mozilla.geckoview.GeckoSession;
import org.mozilla.geckoview.GeckoView;
import org.mozilla.geckoview.WebExtension;
public class MainActivity extends AppCompatActivity {
private static GeckoRuntime sRuntime;
private static final String EXTENSION_LOCATION = "resource://android/assets/messaging/";
private static final String EXTENSION_ID = "messaging@example.com";
// If you make changes to the extension you need to update this
private static final String EXTENSION_VERSION = "1.0";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
GeckoView view = findViewById(R.id.geckoview);
GeckoSession session = new GeckoSession();
if (sRuntime == null) {
GeckoRuntimeSettings settings =
new GeckoRuntimeSettings.Builder().remoteDebuggingEnabled(true).build();
sRuntime = GeckoRuntime.create(this, settings);
}
WebExtension.MessageDelegate messageDelegate =
new WebExtension.MessageDelegate() {
@Nullable
@Override
public GeckoResult<Object> onMessage(
final @NonNull String nativeApp,
final @NonNull Object message,
final @NonNull WebExtension.MessageSender sender) {
if (message instanceof JSONObject) {
JSONObject json = (JSONObject) message;
try {
if (json.has("type") && "WPAManifest".equals(json.getString("type"))) {
JSONObject manifest = json.getJSONObject("manifest");
Log.d("MessageDelegate", "Found WPA manifest: " + manifest);
}
} catch (JSONException ex) {
Log.e("MessageDelegate", "Invalid manifest", ex);
}
}
return null;
}
};
// Let's make sure the extension is installed
sRuntime
.getWebExtensionController()
.ensureBuiltIn(EXTENSION_LOCATION, "messaging@example.com")
.accept(
// Set delegate that will receive messages coming from this extension.
extension ->
session
.getWebExtensionController()
.setMessageDelegate(extension, messageDelegate, "browser"),
// Something bad happened, let's log an error
e -> Log.e("MessageDelegate", "Error registering extension", e));
session.open(sRuntime);
view.setSession(session);
session.loadUri("https://mobile.twitter.com");
}
}
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