CMSDK: Broker out WeatherManagerService
Change-Id: I1a2007f626c2943ff2cf5da2ab029250efef56f8
This commit is contained in:
Luis Vidal
parent
da1776a8a8
commit
c487191476
@ -1,515 +0,0 @@
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/*
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* Copyright (C) 2016 The CyanogenMod Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.cyanogenmod.platform.internal;
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import android.app.AppGlobals;
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import android.content.ComponentName;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.Intent;
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import android.content.ServiceConnection;
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import android.content.pm.IPackageManager;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.database.ContentObserver;
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import android.net.Uri;
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import android.os.Binder;
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import android.os.IBinder;
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import android.os.RemoteCallbackList;
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import android.os.RemoteException;
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import android.os.UserHandle;
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import android.text.TextUtils;
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import android.util.Slog;
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import com.android.internal.content.PackageMonitor;
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import com.android.internal.os.BackgroundThread;
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import com.android.server.SystemService;
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import cyanogenmod.app.CMContextConstants;
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import cyanogenmod.platform.Manifest;
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import cyanogenmod.providers.CMSettings;
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import cyanogenmod.providers.WeatherContract.WeatherColumns;
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import cyanogenmod.weather.CMWeatherManager;
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import cyanogenmod.weather.ICMWeatherManager;
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import cyanogenmod.weather.IRequestInfoListener;
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import cyanogenmod.weather.IWeatherServiceProviderChangeListener;
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import cyanogenmod.weather.RequestInfo;
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import cyanogenmod.weather.WeatherInfo;
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import cyanogenmod.weatherservice.IWeatherProviderService;
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import cyanogenmod.weatherservice.IWeatherProviderServiceClient;
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import cyanogenmod.weatherservice.ServiceRequestResult;
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import java.util.ArrayList;
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import java.util.List;
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public class CMWeatherManagerService extends CMSystemService {
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private static final String TAG = CMWeatherManagerService.class.getSimpleName();
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private IWeatherProviderService mWeatherProviderService;
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private boolean mIsWeatherProviderServiceBound;
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private Object mMutex = new Object();
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private Context mContext;
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private final RemoteCallbackList<IWeatherServiceProviderChangeListener> mProviderChangeListeners
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= new RemoteCallbackList<>();
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private volatile boolean mReconnectedDuePkgModified = false;
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private final IWeatherProviderServiceClient mServiceClient
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= new IWeatherProviderServiceClient.Stub() {
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@Override
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public void setServiceRequestState(RequestInfo requestInfo,
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ServiceRequestResult result, int status) {
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synchronized (mMutex) {
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if (requestInfo == null) {
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//Invalid request info object
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return;
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}
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if (!isValidRequestInfoStatus(status)) {
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//Invalid request status
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return;
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}
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final IRequestInfoListener listener = requestInfo.getRequestListener();
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final int requestType = requestInfo.getRequestType();
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switch (requestType) {
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case RequestInfo.TYPE_WEATHER_BY_GEO_LOCATION_REQ:
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case RequestInfo.TYPE_WEATHER_BY_WEATHER_LOCATION_REQ:
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WeatherInfo weatherInfo = null;
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if (status == CMWeatherManager.RequestStatus.COMPLETED) {
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weatherInfo = (result != null) ? result.getWeatherInfo() : null;
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if (weatherInfo == null) {
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//This should never happen! WEATHER_REQUEST_COMPLETED is set
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//only if the weatherinfo object was not null when the request
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//was marked as completed
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status = CMWeatherManager.RequestStatus.FAILED;
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} else {
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if (!requestInfo.isQueryOnlyWeatherRequest()) {
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final long identity = Binder.clearCallingIdentity();
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try {
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updateWeatherInfoLocked(weatherInfo);
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} finally {
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Binder.restoreCallingIdentity(identity);
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}
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}
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}
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}
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if (isValidListener(listener)) {
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try {
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listener.onWeatherRequestCompleted(requestInfo, status,
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weatherInfo);
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} catch (RemoteException e) {
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}
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}
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break;
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case RequestInfo.TYPE_LOOKUP_CITY_NAME_REQ:
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if (isValidListener(listener)) {
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try {
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//Result might be null if the provider marked the request as failed
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listener.onLookupCityRequestCompleted(requestInfo, status,
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result != null ? result.getLocationLookupList() : null);
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} catch (RemoteException e) {
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}
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}
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break;
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}
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}
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}
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};
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private boolean isValidRequestInfoStatus(int state) {
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switch (state) {
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case CMWeatherManager.RequestStatus.COMPLETED:
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case CMWeatherManager.RequestStatus.ALREADY_IN_PROGRESS:
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case CMWeatherManager.RequestStatus.FAILED:
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case CMWeatherManager.RequestStatus.NO_MATCH_FOUND:
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case CMWeatherManager.RequestStatus.SUBMITTED_TOO_SOON:
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return true;
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default:
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return false;
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}
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}
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private boolean isValidListener(IRequestInfoListener listener) {
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return (listener != null && listener.asBinder().pingBinder());
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}
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private void enforcePermission() {
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mContext.enforceCallingOrSelfPermission(
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Manifest.permission.ACCESS_WEATHER_MANAGER, null);
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}
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private final IBinder mService = new ICMWeatherManager.Stub() {
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@Override
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public void updateWeather(RequestInfo info) {
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enforcePermission();
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processWeatherUpdateRequest(info);
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}
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@Override
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public void lookupCity(RequestInfo info) {
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enforcePermission();
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processCityNameLookupRequest(info);
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}
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@Override
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public void registerWeatherServiceProviderChangeListener(
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IWeatherServiceProviderChangeListener listener) {
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enforcePermission();
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mProviderChangeListeners.register(listener);
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}
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@Override
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public void unregisterWeatherServiceProviderChangeListener(
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IWeatherServiceProviderChangeListener listener) {
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enforcePermission();
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mProviderChangeListeners.unregister(listener);
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}
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@Override
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public String getActiveWeatherServiceProviderLabel() {
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enforcePermission();
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final long identity = Binder.clearCallingIdentity();
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try {
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String enabledProviderService = CMSettings.Secure.getString(
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mContext.getContentResolver(), CMSettings.Secure.WEATHER_PROVIDER_SERVICE);
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if (enabledProviderService != null) {
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return getComponentLabel(
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ComponentName.unflattenFromString(enabledProviderService));
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}
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} finally {
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Binder.restoreCallingIdentity(identity);
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}
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return null;
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}
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@Override
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public void cancelRequest(int requestId) {
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enforcePermission();
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processCancelRequest(requestId);
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}
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};
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private String getComponentLabel(ComponentName componentName) {
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final PackageManager pm = mContext.getPackageManager();
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Intent intent = new Intent().setComponent(componentName);
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ResolveInfo resolveInfo = pm.resolveService(intent,
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PackageManager.GET_SERVICES);
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if (resolveInfo != null) {
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return resolveInfo.loadLabel(pm).toString();
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}
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return null;
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}
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public CMWeatherManagerService(Context context) {
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super(context);
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mContext = context;
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}
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@Override
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public String getFeatureDeclaration() {
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return CMContextConstants.Features.WEATHER_SERVICES;
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}
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@Override
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public void onStart() {
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publishBinderService(CMContextConstants.CM_WEATHER_SERVICE, mService);
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registerPackageMonitor();
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registerSettingsObserver();
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}
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@Override
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public void onBootPhase(int phase) {
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if (phase == PHASE_ACTIVITY_MANAGER_READY) {
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bindActiveWeatherProviderService();
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}
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}
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private void bindActiveWeatherProviderService() {
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String activeProviderService = CMSettings.Secure.getString(mContext.getContentResolver(),
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CMSettings.Secure.WEATHER_PROVIDER_SERVICE);
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if (activeProviderService != null) {
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if (!getContext().bindServiceAsUser(new Intent().setComponent(
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ComponentName.unflattenFromString(activeProviderService)),
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mWeatherServiceProviderConnection, Context.BIND_AUTO_CREATE,
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UserHandle.CURRENT)) {
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Slog.w(TAG, "Failed to bind service " + activeProviderService);
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}
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}
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}
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private boolean canProcessWeatherUpdateRequest(RequestInfo info) {
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final IRequestInfoListener listener = info.getRequestListener();
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if (!mIsWeatherProviderServiceBound) {
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if (listener != null && listener.asBinder().pingBinder()) {
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try {
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listener.onWeatherRequestCompleted(info,
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CMWeatherManager.RequestStatus.FAILED, null);
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} catch (RemoteException e) {
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}
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}
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return false;
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}
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return true;
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}
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private synchronized void processWeatherUpdateRequest(RequestInfo info) {
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if (!canProcessWeatherUpdateRequest(info)) return;
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try {
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mWeatherProviderService.processWeatherUpdateRequest(info);
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} catch (RemoteException e) {
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}
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}
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private void processCityNameLookupRequest(RequestInfo info) {
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if (!mIsWeatherProviderServiceBound) {
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final IRequestInfoListener listener = info.getRequestListener();
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if (listener != null && listener.asBinder().pingBinder()) {
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try {
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listener.onLookupCityRequestCompleted(info,
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CMWeatherManager.RequestStatus.FAILED, null);
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} catch (RemoteException e) {
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}
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}
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return;
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}
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try {
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mWeatherProviderService.processCityNameLookupRequest(info);
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} catch(RemoteException e){
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}
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}
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private void processCancelRequest(int requestId) {
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if (mIsWeatherProviderServiceBound) {
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try {
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mWeatherProviderService.cancelRequest(requestId);
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} catch (RemoteException e) {
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}
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}
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}
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private ServiceConnection mWeatherServiceProviderConnection = new ServiceConnection() {
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@Override
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public void onServiceConnected(ComponentName name, IBinder service) {
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mWeatherProviderService = IWeatherProviderService.Stub.asInterface(service);
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mIsWeatherProviderServiceBound = true;
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try {
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mWeatherProviderService.setServiceClient(mServiceClient);
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} catch(RemoteException e) {
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}
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if (!mReconnectedDuePkgModified) {
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notifyProviderChanged(name);
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}
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mReconnectedDuePkgModified = false;
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}
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@Override
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public void onServiceDisconnected(ComponentName name) {
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mWeatherProviderService = null;
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mIsWeatherProviderServiceBound = false;
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Slog.d(TAG, "Connection with " + name.flattenToString() + " has been closed");
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}
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};
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private void notifyProviderChanged(ComponentName name) {
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String providerName = null;
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if (name != null) {
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providerName = getComponentLabel(name);
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}
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int N = mProviderChangeListeners.beginBroadcast();
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for (int indx = 0; indx < N; indx++) {
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IWeatherServiceProviderChangeListener listener
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= mProviderChangeListeners.getBroadcastItem(indx);
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try {
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listener.onWeatherServiceProviderChanged(providerName);
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} catch (RemoteException e){
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}
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}
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mProviderChangeListeners.finishBroadcast();
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}
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private boolean updateWeatherInfoLocked(WeatherInfo wi) {
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final int size = wi.getForecasts().size() + 1;
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List<ContentValues> contentValuesList = new ArrayList<>(size);
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ContentValues contentValues = new ContentValues();
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contentValues.put(WeatherColumns.CURRENT_CITY, wi.getCity());
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contentValues.put(WeatherColumns.CURRENT_TEMPERATURE, wi.getTemperature());
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contentValues.put(WeatherColumns.CURRENT_TEMPERATURE_UNIT, wi.getTemperatureUnit());
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contentValues.put(WeatherColumns.CURRENT_CONDITION_CODE, wi.getConditionCode());
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contentValues.put(WeatherColumns.CURRENT_HUMIDITY, wi.getHumidity());
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contentValues.put(WeatherColumns.CURRENT_WIND_SPEED, wi.getWindSpeed());
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contentValues.put(WeatherColumns.CURRENT_WIND_DIRECTION, wi.getWindDirection());
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contentValues.put(WeatherColumns.CURRENT_WIND_SPEED_UNIT, wi.getWindSpeedUnit());
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contentValues.put(WeatherColumns.CURRENT_TIMESTAMP, wi.getTimestamp());
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contentValues.put(WeatherColumns.TODAYS_HIGH_TEMPERATURE, wi.getTodaysHigh());
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contentValues.put(WeatherColumns.TODAYS_LOW_TEMPERATURE, wi.getTodaysLow());
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contentValuesList.add(contentValues);
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for (WeatherInfo.DayForecast df : wi.getForecasts()) {
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contentValues = new ContentValues();
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contentValues.put(WeatherColumns.FORECAST_LOW, df.getLow());
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contentValues.put(WeatherColumns.FORECAST_HIGH, df.getHigh());
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contentValues.put(WeatherColumns.FORECAST_CONDITION_CODE, df.getConditionCode());
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contentValuesList.add(contentValues);
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}
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ContentValues[] updateValues = new ContentValues[contentValuesList.size()];
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if (size != getContext().getContentResolver().bulkInsert(
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WeatherColumns.CURRENT_AND_FORECAST_WEATHER_URI,
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contentValuesList.toArray(updateValues))) {
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Slog.w(TAG, "Failed to update the weather content provider");
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return false;
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}
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return true;
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}
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private void registerPackageMonitor() {
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PackageMonitor monitor = new PackageMonitor() {
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@Override
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public void onPackageModified(String packageName) {
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String enabledProviderService = CMSettings.Secure.getString(
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mContext.getContentResolver(), CMSettings.Secure.WEATHER_PROVIDER_SERVICE);
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if (enabledProviderService == null) return;
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ComponentName cn = ComponentName.unflattenFromString(enabledProviderService);
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if (!TextUtils.equals(packageName, cn.getPackageName())) return;
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if (cn.getPackageName().equals(packageName) && !mIsWeatherProviderServiceBound) {
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//We were disconnected because the whole package changed
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//(most likely remove->install)
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if (!getContext().bindServiceAsUser(new Intent().setComponent(cn),
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mWeatherServiceProviderConnection, Context.BIND_AUTO_CREATE,
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UserHandle.CURRENT)) {
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CMSettings.Secure.putStringForUser( mContext.getContentResolver(),
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CMSettings.Secure.WEATHER_PROVIDER_SERVICE, null,
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getChangingUserId());
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Slog.w(TAG, "Unable to rebind " + cn.flattenToString() + " after receiving"
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+ " package modified notification. Settings updated.");
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} else {
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mReconnectedDuePkgModified = true;
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}
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}
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}
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@Override
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public boolean onPackageChanged(String packageName, int uid, String[] components) {
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String enabledProviderService = CMSettings.Secure.getString(
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mContext.getContentResolver(), CMSettings.Secure.WEATHER_PROVIDER_SERVICE);
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if (enabledProviderService == null) return false;
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boolean packageChanged = false;
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ComponentName cn = ComponentName.unflattenFromString(enabledProviderService);
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for (String component : components) {
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if (cn.getPackageName().equals(component)) {
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packageChanged = true;
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break;
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}
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}
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if (packageChanged) {
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try {
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final IPackageManager pm = AppGlobals.getPackageManager();
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final int enabled = pm.getApplicationEnabledSetting(packageName,
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getChangingUserId());
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if (enabled == PackageManager.COMPONENT_ENABLED_STATE_ENABLED
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|| enabled == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT) {
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return false;
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} else {
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disconnectClient();
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//The package is not enabled so we can't use it anymore
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CMSettings.Secure.putStringForUser(
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mContext.getContentResolver(),
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CMSettings.Secure.WEATHER_PROVIDER_SERVICE, null,
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getChangingUserId());
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Slog.w(TAG, "Active provider " + cn.flattenToString() + " disabled");
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notifyProviderChanged(null);
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}
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} catch (IllegalArgumentException e) {
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Slog.d(TAG, "Exception trying to look up app enabled settings ", e);
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} catch (RemoteException e) {
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// Really?
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}
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}
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return false;
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}
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@Override
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public void onPackageRemoved(String packageName, int uid) {
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String enabledProviderService = CMSettings.Secure.getString(
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mContext.getContentResolver(), CMSettings.Secure.WEATHER_PROVIDER_SERVICE);
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if (enabledProviderService == null) return;
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ComponentName cn = ComponentName.unflattenFromString(enabledProviderService);
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if (!TextUtils.equals(packageName, cn.getPackageName())) return;
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disconnectClient();
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CMSettings.Secure.putStringForUser(
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mContext.getContentResolver(), CMSettings.Secure.WEATHER_PROVIDER_SERVICE,
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null, getChangingUserId());
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notifyProviderChanged(null);
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}
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};
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monitor.register(mContext, BackgroundThread.getHandler().getLooper(), UserHandle.ALL, true);
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}
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private void registerSettingsObserver() {
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final Uri enabledWeatherProviderServiceUri = CMSettings.Secure.getUriFor(
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CMSettings.Secure.WEATHER_PROVIDER_SERVICE);
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ContentObserver observer = new ContentObserver(BackgroundThread.getHandler()) {
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@Override
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public void onChange(boolean selfChange, Uri uri, int userId) {
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if (enabledWeatherProviderServiceUri.equals(uri)) {
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String activeSrvc = CMSettings.Secure.getString(mContext.getContentResolver(),
|
||||
CMSettings.Secure.WEATHER_PROVIDER_SERVICE);
|
||||
disconnectClient();
|
||||
if (activeSrvc != null) {
|
||||
ComponentName cn = ComponentName.unflattenFromString(activeSrvc);
|
||||
getContext().bindServiceAsUser(new Intent().setComponent(cn),
|
||||
mWeatherServiceProviderConnection, Context.BIND_AUTO_CREATE,
|
||||
UserHandle.CURRENT);
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
mContext.getContentResolver().registerContentObserver(enabledWeatherProviderServiceUri,
|
||||
false, observer, UserHandle.USER_ALL);
|
||||
}
|
||||
|
||||
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");
|
||||
}
|
||||
|
||||
getContext().unbindService(mWeatherServiceProviderConnection);
|
||||
mIsWeatherProviderServiceBound = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,114 @@
|
||||
/*
|
||||
* 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.platform.internal;
|
||||
|
||||
import android.annotation.NonNull;
|
||||
import android.content.ComponentName;
|
||||
import android.content.Context;
|
||||
import android.os.IBinder;
|
||||
import android.os.RemoteException;
|
||||
import cyanogenmod.app.CMContextConstants;
|
||||
import cyanogenmod.platform.Manifest;
|
||||
import cyanogenmod.weather.ICMWeatherManager;
|
||||
import cyanogenmod.weather.IWeatherServiceProviderChangeListener;
|
||||
import cyanogenmod.weather.RequestInfo;
|
||||
|
||||
public class WeatherManagerServiceBroker extends BrokerableCMSystemService<ICMWeatherManager> {
|
||||
|
||||
private Context mContext;
|
||||
|
||||
private static final ComponentName TARGET_IMPLEMENTATION_COMPONENT =
|
||||
new ComponentName("org.cyanogenmod.weatherservice",
|
||||
"org.cyanogenmod.weatherservice.WeatherManagerService");
|
||||
|
||||
private void enforcePermission() {
|
||||
mContext.enforceCallingOrSelfPermission(
|
||||
Manifest.permission.ACCESS_WEATHER_MANAGER, null);
|
||||
}
|
||||
|
||||
private final IBinder mService = new ICMWeatherManager.Stub() {
|
||||
|
||||
@Override
|
||||
public void updateWeather(RequestInfo info) throws RemoteException {
|
||||
enforcePermission();
|
||||
getBrokeredService().updateWeather(info);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void lookupCity(RequestInfo info) throws RemoteException {
|
||||
enforcePermission();
|
||||
getBrokeredService().lookupCity(info);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void registerWeatherServiceProviderChangeListener(
|
||||
IWeatherServiceProviderChangeListener listener) throws RemoteException {
|
||||
enforcePermission();
|
||||
getBrokeredService().registerWeatherServiceProviderChangeListener(listener);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void unregisterWeatherServiceProviderChangeListener(
|
||||
IWeatherServiceProviderChangeListener listener) throws RemoteException {
|
||||
enforcePermission();
|
||||
getBrokeredService().unregisterWeatherServiceProviderChangeListener(listener);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getActiveWeatherServiceProviderLabel() throws RemoteException {
|
||||
enforcePermission();
|
||||
return getBrokeredService().getActiveWeatherServiceProviderLabel();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void cancelRequest(int requestId) throws RemoteException {
|
||||
enforcePermission();
|
||||
getBrokeredService().cancelRequest(requestId);
|
||||
}
|
||||
};
|
||||
|
||||
public WeatherManagerServiceBroker(Context context) {
|
||||
super(context);
|
||||
mContext = context;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getFeatureDeclaration() {
|
||||
return CMContextConstants.Features.WEATHER_SERVICES;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onStart() {
|
||||
publishBinderService(CMContextConstants.CM_WEATHER_SERVICE, mService);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected ICMWeatherManager getIBinderAsIInterface(@NonNull IBinder service) {
|
||||
return ICMWeatherManager.Stub.asInterface(service);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected ICMWeatherManager getDefaultImplementation() {
|
||||
return new ICMWeatherManager.NoOp();
|
||||
}
|
||||
|
||||
@Override
|
||||
protected ComponentName getServiceComponent() {
|
||||
return TARGET_IMPLEMENTATION_COMPONENT;
|
||||
}
|
||||
|
||||
}
|
||||
@ -212,7 +212,7 @@
|
||||
<permission android:name="cyanogenmod.permission.BIND_WEATHER_PROVIDER_SERVICE"
|
||||
android:label="@string/permlab_weather_bind"
|
||||
android:description="@string/permdesc_weather_bind"
|
||||
android:protectionLevel="signature"/>
|
||||
android:protectionLevel="signature|privileged"/>
|
||||
|
||||
<!-- Allows an application to observe system-wide changes to audio sessions
|
||||
@hide -->
|
||||
|
||||
@ -122,7 +122,7 @@
|
||||
<item>org.cyanogenmod.platform.internal.ThemeManagerServiceBroker</item>
|
||||
<item>org.cyanogenmod.platform.internal.IconCacheManagerServiceBroker</item>
|
||||
<item>org.cyanogenmod.platform.internal.LiveLockScreenServiceBroker</item>
|
||||
<item>org.cyanogenmod.platform.internal.CMWeatherManagerService</item>
|
||||
<item>org.cyanogenmod.platform.internal.WeatherManagerServiceBroker</item>
|
||||
<item>org.cyanogenmod.platform.internal.display.LiveDisplayService</item>
|
||||
<item>org.cyanogenmod.platform.internal.CMAudioServiceBroker</item>
|
||||
</string-array>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user