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-rw-r--r--src/org/cyanogenmod/weatherservice/WeatherManagerService.java499
1 files changed, 499 insertions, 0 deletions
diff --git a/src/org/cyanogenmod/weatherservice/WeatherManagerService.java b/src/org/cyanogenmod/weatherservice/WeatherManagerService.java
new file mode 100644
index 0000000..02ebc47
--- /dev/null
+++ b/src/org/cyanogenmod/weatherservice/WeatherManagerService.java
@@ -0,0 +1,499 @@
+/*
+ * Copyright (C) 2016 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.cyanogenmod.weatherservice;
+
+import android.app.AppGlobals;
+import android.app.Service;
+import android.content.ComponentName;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.content.pm.IPackageManager;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.database.ContentObserver;
+import android.net.Uri;
+import android.os.Binder;
+import android.os.IBinder;
+import android.os.RemoteCallbackList;
+import android.os.RemoteException;
+import android.os.UserHandle;
+import android.text.TextUtils;
+import android.util.Slog;
+import com.android.internal.content.PackageMonitor;
+import com.android.internal.os.BackgroundThread;
+import cyanogenmod.providers.CMSettings;
+import cyanogenmod.providers.WeatherContract;
+import cyanogenmod.weather.CMWeatherManager;
+import cyanogenmod.weather.ICMWeatherManager;
+import cyanogenmod.weather.IRequestInfoListener;
+import cyanogenmod.weather.IWeatherServiceProviderChangeListener;
+import cyanogenmod.weather.RequestInfo;
+import cyanogenmod.weather.WeatherInfo;
+import cyanogenmod.weatherservice.IWeatherProviderService;
+import cyanogenmod.weatherservice.IWeatherProviderServiceClient;
+import cyanogenmod.weatherservice.ServiceRequestResult;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class WeatherManagerService extends Service {
+
+ private static final String TAG = WeatherManagerService.class.getSimpleName();
+
+ private IWeatherProviderService mWeatherProviderService;
+ private boolean mIsWeatherProviderServiceBound;
+ private Object mMutex = new Object();
+ private final RemoteCallbackList<IWeatherServiceProviderChangeListener> mProviderChangeListeners
+ = new RemoteCallbackList<>();
+ private volatile boolean mReconnectedDuePkgModified = false;
+
+ @Override
+ public int onStartCommand(Intent intent, int flags, int startId) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public final IBinder onBind (Intent intent) {
+ registerPackageMonitor();
+ registerSettingsObserver();
+ bindActiveWeatherProviderService();
+ return mService;
+ }
+
+ private final IBinder mService = new ICMWeatherManager.Stub() {
+
+ @Override
+ public void updateWeather(RequestInfo info) {
+ processWeatherUpdateRequest(info);
+ }
+
+ @Override
+ public void lookupCity(RequestInfo info) {
+ processCityNameLookupRequest(info);
+ }
+
+ @Override
+ public void registerWeatherServiceProviderChangeListener(
+ IWeatherServiceProviderChangeListener listener) {
+ mProviderChangeListeners.register(listener);
+ }
+
+ @Override
+ public void unregisterWeatherServiceProviderChangeListener(
+ IWeatherServiceProviderChangeListener listener) {
+ mProviderChangeListeners.unregister(listener);
+ }
+
+ @Override
+ public String getActiveWeatherServiceProviderLabel() {
+ final long identity = Binder.clearCallingIdentity();
+ try {
+ String enabledProviderService = CMSettings.Secure.getString(
+ getContentResolver(), CMSettings.Secure.WEATHER_PROVIDER_SERVICE);
+ if (enabledProviderService != null) {
+ return getComponentLabel(
+ ComponentName.unflattenFromString(enabledProviderService));
+ }
+ } finally {
+ Binder.restoreCallingIdentity(identity);
+ }
+ return null;
+ }
+
+ @Override
+ public void cancelRequest(int requestId) {
+ processCancelRequest(requestId);
+ }
+ };
+
+ private String getComponentLabel(ComponentName componentName) {
+ final PackageManager pm = getPackageManager();
+ Intent intent = new Intent().setComponent(componentName);
+ ResolveInfo resolveInfo = pm.resolveService(intent,
+ PackageManager.GET_SERVICES);
+ if (resolveInfo != null) {
+ return resolveInfo.loadLabel(pm).toString();
+ }
+ return null;
+ }
+
+ private void bindActiveWeatherProviderService() {
+ String activeProviderService = CMSettings.Secure.getString(getContentResolver(),
+ CMSettings.Secure.WEATHER_PROVIDER_SERVICE);
+ if (activeProviderService != null) {
+ if (!bindService(new Intent().setComponent(
+ ComponentName.unflattenFromString(activeProviderService)),
+ mWeatherServiceProviderConnection, Context.BIND_AUTO_CREATE)) {
+ Slog.w(TAG, "Failed to bind service " + activeProviderService);
+ }
+ }
+ }
+
+ private boolean canProcessWeatherUpdateRequest(RequestInfo info) {
+ final IRequestInfoListener listener = info.getRequestListener();
+
+ if (!mIsWeatherProviderServiceBound) {
+ if (listener != null && listener.asBinder().pingBinder()) {
+ try {
+ listener.onWeatherRequestCompleted(info,
+ CMWeatherManager.RequestStatus.FAILED, null);
+ } catch (RemoteException e) {
+ }
+ }
+ return false;
+ }
+ return true;
+ }
+
+ private synchronized void processWeatherUpdateRequest(RequestInfo info) {
+ if (!canProcessWeatherUpdateRequest(info)) return;
+ try {
+ mWeatherProviderService.processWeatherUpdateRequest(info);
+ } catch (RemoteException e) {
+ }
+ }
+
+ private void processCityNameLookupRequest(RequestInfo info) {
+ if (!mIsWeatherProviderServiceBound) {
+ final IRequestInfoListener listener = info.getRequestListener();
+ if (listener != null && listener.asBinder().pingBinder()) {
+ try {
+ listener.onLookupCityRequestCompleted(info,
+ CMWeatherManager.RequestStatus.FAILED, null);
+ } catch (RemoteException e) {
+ }
+ }
+ return;
+ }
+ try {
+ mWeatherProviderService.processCityNameLookupRequest(info);
+ } catch(RemoteException e){
+ }
+ }
+
+ private void processCancelRequest(int requestId) {
+ if (mIsWeatherProviderServiceBound) {
+ try {
+ mWeatherProviderService.cancelRequest(requestId);
+ } catch (RemoteException e) {
+ }
+ }
+ }
+
+ private ServiceConnection mWeatherServiceProviderConnection = new ServiceConnection() {
+ @Override
+ public void onServiceConnected(ComponentName name, IBinder service) {
+ mWeatherProviderService = IWeatherProviderService.Stub.asInterface(service);
+ mIsWeatherProviderServiceBound = true;
+ try {
+ mWeatherProviderService.setServiceClient(mServiceClient);
+ } catch(RemoteException e) {
+ }
+ if (!mReconnectedDuePkgModified) {
+ notifyProviderChanged(name);
+ }
+ mReconnectedDuePkgModified = false;
+ }
+
+ @Override
+ public void onServiceDisconnected(ComponentName name) {
+ mWeatherProviderService = null;
+ mIsWeatherProviderServiceBound = false;
+ Slog.d(TAG, "Connection with " + name.flattenToString() + " has been closed");
+ }
+ };
+
+ private void notifyProviderChanged(ComponentName name) {
+ String providerName = null;
+ if (name != null) {
+ providerName = getComponentLabel(name);
+ }
+
+ int N = mProviderChangeListeners.beginBroadcast();
+ for (int indx = 0; indx < N; indx++) {
+ IWeatherServiceProviderChangeListener listener
+ = mProviderChangeListeners.getBroadcastItem(indx);
+ try {
+ listener.onWeatherServiceProviderChanged(providerName);
+ } catch (RemoteException e){
+ }
+ }
+ mProviderChangeListeners.finishBroadcast();
+ }
+
+ private boolean updateWeatherInfoLocked(WeatherInfo wi) {
+ final int size = wi.getForecasts().size() + 1;
+ List<ContentValues> contentValuesList = new ArrayList<>(size);
+ ContentValues contentValues = new ContentValues();
+
+ contentValues.put(WeatherContract.WeatherColumns.CURRENT_CITY,
+ wi.getCity());
+ contentValues.put(WeatherContract.WeatherColumns.CURRENT_TEMPERATURE,
+ wi.getTemperature());
+ contentValues.put(WeatherContract.WeatherColumns.CURRENT_TEMPERATURE_UNIT,
+ wi.getTemperatureUnit());
+ contentValues.put(WeatherContract.WeatherColumns.CURRENT_CONDITION_CODE,
+ wi.getConditionCode());
+ contentValues.put(WeatherContract.WeatherColumns.CURRENT_HUMIDITY,
+ wi.getHumidity());
+ contentValues.put(WeatherContract.WeatherColumns.CURRENT_WIND_SPEED,
+ wi.getWindSpeed());
+ contentValues.put(WeatherContract.WeatherColumns.CURRENT_WIND_DIRECTION,
+ wi.getWindDirection());
+ contentValues.put(WeatherContract.WeatherColumns.CURRENT_WIND_SPEED_UNIT,
+ wi.getWindSpeedUnit());
+ contentValues.put(WeatherContract.WeatherColumns.CURRENT_TIMESTAMP,
+ wi.getTimestamp());
+ contentValues.put(WeatherContract.WeatherColumns.TODAYS_HIGH_TEMPERATURE,
+ wi.getTodaysHigh());
+ contentValues.put(WeatherContract.WeatherColumns.TODAYS_LOW_TEMPERATURE,
+ wi.getTodaysLow());
+ contentValuesList.add(contentValues);
+
+ for (WeatherInfo.DayForecast df : wi.getForecasts()) {
+ contentValues = new ContentValues();
+ contentValues.put(WeatherContract.WeatherColumns.FORECAST_LOW, df.getLow());
+ contentValues.put(WeatherContract.WeatherColumns.FORECAST_HIGH, df.getHigh());
+ contentValues.put(WeatherContract.WeatherColumns.FORECAST_CONDITION_CODE,
+ df.getConditionCode());
+ contentValuesList.add(contentValues);
+ }
+
+ ContentValues[] updateValues = new ContentValues[contentValuesList.size()];
+ if (size != getContentResolver().bulkInsert(
+ WeatherContract.WeatherColumns.CURRENT_AND_FORECAST_WEATHER_URI,
+ contentValuesList.toArray(updateValues))) {
+ Slog.w(TAG, "Failed to update the weather content provider");
+ return false;
+ }
+ return true;
+ }
+
+ private void registerPackageMonitor() {
+ PackageMonitor monitor = new PackageMonitor() {
+ @Override
+ public void onPackageModified(String packageName) {
+ String enabledProviderService = CMSettings.Secure.getString(
+ getContentResolver(), CMSettings.Secure.WEATHER_PROVIDER_SERVICE);
+ if (enabledProviderService == null) return;
+ ComponentName cn = ComponentName.unflattenFromString(enabledProviderService);
+ if (!TextUtils.equals(packageName, cn.getPackageName())) return;
+
+ if (cn.getPackageName().equals(packageName) && !mIsWeatherProviderServiceBound) {
+ //We were disconnected because the whole package changed
+ //(most likely remove->install)
+ if (!bindService(new Intent().setComponent(cn),
+ mWeatherServiceProviderConnection, Context.BIND_AUTO_CREATE)) {
+ CMSettings.Secure.putStringForUser( getContentResolver(),
+ CMSettings.Secure.WEATHER_PROVIDER_SERVICE, null,
+ getChangingUserId());
+ Slog.w(TAG, "Unable to rebind " + cn.flattenToString() + " after receiving"
+ + " package modified notification. Settings updated.");
+ } else {
+ mReconnectedDuePkgModified = true;
+ }
+ }
+ }
+
+ @Override
+ public boolean onPackageChanged(String packageName, int uid, String[] components) {
+ String enabledProviderService = CMSettings.Secure.getString(
+ getContentResolver(), CMSettings.Secure.WEATHER_PROVIDER_SERVICE);
+ if (enabledProviderService == null) return false;
+
+ boolean packageChanged = false;
+ ComponentName cn = ComponentName.unflattenFromString(enabledProviderService);
+ for (String component : components) {
+ if (cn.getPackageName().equals(component)) {
+ packageChanged = true;
+ break;
+ }
+ }
+
+ if (packageChanged) {
+ try {
+ final IPackageManager pm = AppGlobals.getPackageManager();
+ final int enabled = pm.getApplicationEnabledSetting(packageName,
+ getChangingUserId());
+ if (enabled == PackageManager.COMPONENT_ENABLED_STATE_ENABLED
+ || enabled == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT) {
+ return false;
+ } else {
+ disconnectClient();
+ //The package is not enabled so we can't use it anymore
+ CMSettings.Secure.putStringForUser(getContentResolver(),
+ CMSettings.Secure.WEATHER_PROVIDER_SERVICE, null,
+ getChangingUserId());
+ Slog.w(TAG, "Active provider " + cn.flattenToString() + " disabled");
+ notifyProviderChanged(null);
+ }
+ } catch (IllegalArgumentException e) {
+ Slog.d(TAG, "Exception trying to look up app enabled settings ", e);
+ } catch (RemoteException e) {
+ // Really?
+ }
+ }
+ return false;
+ }
+
+ @Override
+ public void onPackageRemoved(String packageName, int uid) {
+ String enabledProviderService = CMSettings.Secure.getString(
+ getContentResolver(), CMSettings.Secure.WEATHER_PROVIDER_SERVICE);
+ if (enabledProviderService == null) return;
+
+ ComponentName cn = ComponentName.unflattenFromString(enabledProviderService);
+ if (!TextUtils.equals(packageName, cn.getPackageName())) return;
+
+ disconnectClient();
+ CMSettings.Secure.putStringForUser(
+ getContentResolver(), CMSettings.Secure.WEATHER_PROVIDER_SERVICE,
+ null, getChangingUserId());
+ notifyProviderChanged(null);
+ }
+ };
+
+ monitor.register(this, BackgroundThread.getHandler().getLooper(), true);
+ }
+
+ private void registerSettingsObserver() {
+ final Uri enabledWeatherProviderServiceUri = CMSettings.Secure.getUriFor(
+ CMSettings.Secure.WEATHER_PROVIDER_SERVICE);
+ ContentObserver observer = new ContentObserver(BackgroundThread.getHandler()) {
+ @Override
+ public void onChange(boolean selfChange, Uri uri) {
+ if (enabledWeatherProviderServiceUri.equals(uri)) {
+ String activeSrvc = CMSettings.Secure.getString(getContentResolver(),
+ CMSettings.Secure.WEATHER_PROVIDER_SERVICE);
+ disconnectClient();
+ if (activeSrvc != null) {
+ ComponentName cn = ComponentName.unflattenFromString(activeSrvc);
+ bindService(new Intent().setComponent(cn),
+ mWeatherServiceProviderConnection, Context.BIND_AUTO_CREATE);
+ }
+ }
+ }
+ };
+ getContentResolver().registerContentObserver(enabledWeatherProviderServiceUri,
+ false, observer);
+ }
+
+ private synchronized void disconnectClient() {
+ if (mIsWeatherProviderServiceBound) {
+ //let's cancel any pending request
+ try {
+ mWeatherProviderService.cancelOngoingRequests();
+ } catch (RemoteException e) {
+ Slog.d(TAG, "Error occurred while trying to cancel ongoing requests");
+ }
+ //Disconnect from client
+ try {
+ mWeatherProviderService.setServiceClient(null);
+ } catch (RemoteException e) {
+ Slog.d(TAG, "Error occurred while disconnecting client");
+ }
+
+ unbindService(mWeatherServiceProviderConnection);
+ mIsWeatherProviderServiceBound = false;
+ }
+ }
+
+ private final IWeatherProviderServiceClient mServiceClient
+ = new IWeatherProviderServiceClient.Stub() {
+ @Override
+ public void setServiceRequestState(RequestInfo requestInfo,
+ ServiceRequestResult result, int status) {
+ synchronized (mMutex) {
+
+ if (requestInfo == null) {
+ //Invalid request info object
+ return;
+ }
+
+ if (!isValidRequestInfoStatus(status)) {
+ //Invalid request status
+ return;
+ }
+
+ final IRequestInfoListener listener = requestInfo.getRequestListener();
+ final int requestType = requestInfo.getRequestType();
+
+ switch (requestType) {
+ case RequestInfo.TYPE_WEATHER_BY_GEO_LOCATION_REQ:
+ case RequestInfo.TYPE_WEATHER_BY_WEATHER_LOCATION_REQ:
+ WeatherInfo weatherInfo = null;
+ if (status == CMWeatherManager.RequestStatus.COMPLETED) {
+ weatherInfo = (result != null) ? result.getWeatherInfo() : null;
+ if (weatherInfo == null) {
+ //This should never happen! WEATHER_REQUEST_COMPLETED is set
+ //only if the weatherinfo object was not null when the request
+ //was marked as completed
+ status = CMWeatherManager.RequestStatus.FAILED;
+ } else {
+ if (!requestInfo.isQueryOnlyWeatherRequest()) {
+ final long identity = Binder.clearCallingIdentity();
+ try {
+ updateWeatherInfoLocked(weatherInfo);
+ } finally {
+ Binder.restoreCallingIdentity(identity);
+ }
+ }
+ }
+ }
+ if (isValidListener(listener)) {
+ try {
+ listener.onWeatherRequestCompleted(requestInfo, status,
+ weatherInfo);
+ } catch (RemoteException e) {
+ }
+ }
+ break;
+ case RequestInfo.TYPE_LOOKUP_CITY_NAME_REQ:
+ if (isValidListener(listener)) {
+ try {
+ //Result might be null if the provider marked the request as failed
+ listener.onLookupCityRequestCompleted(requestInfo, status,
+ result != null ? result.getLocationLookupList() : null);
+ } catch (RemoteException e) {
+ }
+ }
+ break;
+ }
+ }
+ }
+ };
+
+ private boolean isValidRequestInfoStatus(int state) {
+ switch (state) {
+ case CMWeatherManager.RequestStatus.COMPLETED:
+ case CMWeatherManager.RequestStatus.ALREADY_IN_PROGRESS:
+ case CMWeatherManager.RequestStatus.FAILED:
+ case CMWeatherManager.RequestStatus.NO_MATCH_FOUND:
+ case CMWeatherManager.RequestStatus.SUBMITTED_TOO_SOON:
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ private boolean isValidListener(IRequestInfoListener listener) {
+ return (listener != null && listener.asBinder().pingBinder());
+ }
+}
+