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Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/ExternalPebbleJSActivity.java
2020-01-09 10:44:32 +01:00

245 lines
10 KiB
Java

/* Copyright (C) 2016-2020 Andreas Shimokawa, Carsten Pfeiffer, Daniele
Gobbetti, Lem Dulfo, Uwe Hermann
This file is part of Gadgetbridge.
Gadgetbridge is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Gadgetbridge is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
package nodomain.freeyourgadget.gadgetbridge.activities;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.JavascriptInterface;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.widget.FrameLayout;
import android.widget.Toast;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.Objects;
import java.util.UUID;
import androidx.annotation.NonNull;
import androidx.core.app.NavUtils;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.devices.DeviceManager;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
import nodomain.freeyourgadget.gadgetbridge.model.DeviceService;
import nodomain.freeyourgadget.gadgetbridge.model.DeviceType;
import nodomain.freeyourgadget.gadgetbridge.service.DeviceCommunicationService;
import nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.webview.GBChromeClient;
import nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.webview.GBWebClient;
import nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.webview.JSInterface;
import nodomain.freeyourgadget.gadgetbridge.util.DeviceHelper;
import nodomain.freeyourgadget.gadgetbridge.util.GB;
import nodomain.freeyourgadget.gadgetbridge.util.WebViewSingleton;
import static nodomain.freeyourgadget.gadgetbridge.model.DeviceService.ACTION_CONNECT;
public class ExternalPebbleJSActivity extends AbstractGBActivity {
private static final Logger LOG = LoggerFactory.getLogger(ExternalPebbleJSActivity.class);
private Uri confUri;
/**
* When bgjs is enabled, this field refers to the WebViewSingleton,
* otherwise it refers to the legacy webview from the activity_legacy_external_pebble_js layout
*/
private WebView myWebView;
public static final String START_BG_WEBVIEW = "start_webview";
public static final String SHOW_CONFIG = "configure";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Bundle extras = getIntent().getExtras();
boolean showConfig = false;
UUID currentUUID = null;
GBDevice currentDevice = null;
if (extras == null) {
confUri = getIntent().getData();
if(confUri.getScheme().equals("gadgetbridge")) {
try {
currentUUID = UUID.fromString(confUri.getHost());
} catch (IllegalArgumentException e) {
LOG.error("UUID in incoming configuration is not a valid UUID: " +confUri.toString());
}
//first check if we are still connected to a pebble
DeviceManager deviceManager = ((GBApplication) getApplication()).getDeviceManager();
List<GBDevice> deviceList = deviceManager.getDevices();
for (GBDevice device : deviceList) {
if (device.getState() == GBDevice.State.INITIALIZED) {
if (device.getType().equals(DeviceType.PEBBLE)) {
currentDevice = device;
break;
} else {
LOG.error("attempting to load pebble configuration but a different device type is connected!!!");
finish();
return;
}
}
}
if (currentDevice == null) {
//then try to reconnect to last connected device
String btDeviceAddress = GBApplication.getPrefs().getPreferences().getString("last_device_address", null);
if (btDeviceAddress != null) {
GBDevice candidate = DeviceHelper.getInstance().findAvailableDevice(btDeviceAddress, this);
if(!candidate.isConnected() && candidate.getType() == DeviceType.PEBBLE){
Intent intent = new Intent(this, DeviceCommunicationService.class)
.setAction(ACTION_CONNECT)
.putExtra(GBDevice.EXTRA_DEVICE, currentDevice);
this.startService(intent);
currentDevice = candidate;
}
}
}
showConfig = true; //we are getting incoming configuration data
}
} else {
currentDevice = extras.getParcelable(GBDevice.EXTRA_DEVICE);
currentUUID = (UUID) extras.getSerializable(DeviceService.EXTRA_APP_UUID);
if (extras.getBoolean(START_BG_WEBVIEW, false)) {
startBackgroundWebViewAndFinish();
return;
}
showConfig = extras.getBoolean(SHOW_CONFIG, false);
}
if (GBApplication.getGBPrefs().isBackgroundJsEnabled()) {
if (showConfig) {
Objects.requireNonNull(currentDevice, "Must provide a device when invoking this activity");
Objects.requireNonNull(currentUUID, "Must provide a uuid when invoking this activity");
WebViewSingleton.getInstance().runJavascriptInterface(this, currentDevice, currentUUID);
}
// FIXME: is this really supposed to be outside the check for SHOW_CONFIG?
setupBGWebView();
} else {
Objects.requireNonNull(currentDevice, "Must provide a device when invoking this activity without bgjs");
Objects.requireNonNull(currentUUID, "Must provide a uuid when invoking this activity without bgjs");
setupLegacyWebView(currentDevice, currentUUID);
}
}
private void startBackgroundWebViewAndFinish() {
if (GBApplication.getGBPrefs().isBackgroundJsEnabled()) {
WebViewSingleton.ensureCreated(this);
} else {
LOG.warn("BGJs disabled, not starting webview");
}
finish();
}
private void setupBGWebView() {
setContentView(R.layout.activity_external_pebble_js);
myWebView = WebViewSingleton.getInstance().getWebView(this);
if (myWebView.getParent() != null) {
((ViewGroup) myWebView.getParent()).removeView(myWebView);
}
myWebView.setWillNotDraw(false);
myWebView.removeJavascriptInterface("GBActivity");
myWebView.addJavascriptInterface(new ActivityJSInterface(), "GBActivity");
FrameLayout fl = (FrameLayout) findViewById(R.id.webview_placeholder);
fl.addView(myWebView);
myWebView.addOnAttachStateChangeListener(new View.OnAttachStateChangeListener() {
@Override
public void onViewAttachedToWindow(View v) {
v.setLayerType(View.LAYER_TYPE_HARDWARE, null);
}
@Override
public void onViewDetachedFromWindow(View v) {
v.removeOnAttachStateChangeListener(this);
FrameLayout fl = (FrameLayout) findViewById(R.id.webview_placeholder);
fl.removeAllViews();
}
});
}
private void setupLegacyWebView(@NonNull GBDevice device, @NonNull UUID uuid) {
setContentView(R.layout.activity_legacy_external_pebble_js);
myWebView = (WebView) findViewById(R.id.configureWebview);
myWebView.clearCache(true);
myWebView.setWebViewClient(new GBWebClient());
myWebView.setWebChromeClient(new GBChromeClient());
WebSettings webSettings = myWebView.getSettings();
webSettings.setJavaScriptEnabled(true);
//needed to access the DOM
webSettings.setDomStorageEnabled(true);
//needed for localstorage
webSettings.setDatabaseEnabled(true);
JSInterface gbJSInterface = new JSInterface(device, uuid);
myWebView.addJavascriptInterface(gbJSInterface, "GBjs");
myWebView.addJavascriptInterface(new ActivityJSInterface(), "GBActivity");
myWebView.loadUrl("file:///android_asset/app_config/configure.html");
}
@Override
protected void onResume() {
super.onResume();
String queryString = "";
if (confUri != null) {
//getting back with configuration data
LOG.debug("WEBVIEW returned config: " + confUri.toString());
try {
queryString = confUri.getEncodedQuery();
} catch (IllegalArgumentException e) {
GB.toast("returned uri: " + confUri.toString(), Toast.LENGTH_LONG, GB.ERROR);
}
myWebView.stopLoading();
myWebView.loadUrl("file:///android_asset/app_config/configure.html?" + queryString);
}
}
@Override
protected void onNewIntent(Intent incoming) {
incoming.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
super.onNewIntent(incoming);
confUri = incoming.getData();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
NavUtils.navigateUpFromSameTask(this);
return true;
}
return super.onOptionsItemSelected(item);
}
private class ActivityJSInterface {
@JavascriptInterface
public void closeActivity() {
NavUtils.navigateUpFromSameTask(ExternalPebbleJSActivity.this);
}
}
}