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/*
* 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 cyanogenmod.weatherservice;
import android.annotation.NonNull;
import android.os.RemoteException;
import cyanogenmod.weather.CMWeatherManager;
import cyanogenmod.weather.RequestInfo;
/**
* This class represents a request submitted by the system to the active weather provider service
*/
public final class ServiceRequest {
private final RequestInfo mInfo;
private final IWeatherProviderServiceClient mClient;
private enum Status {
IN_PROGRESS, COMPLETED, CANCELLED, FAILED, REJECTED
}
private Status mStatus;
/* package */ ServiceRequest(RequestInfo info, IWeatherProviderServiceClient client) {
mInfo = info;
mClient = client;
mStatus = Status.IN_PROGRESS;
}
/**
* Obtains the request information
* @return {@link cyanogenmod.weather.RequestInfo}
*/
public RequestInfo getRequestInfo() {
return mInfo;
}
/**
* This method should be called once the request has been completed
*/
public void complete(@NonNull ServiceRequestResult result) {
synchronized (this) {
if (mStatus.equals(Status.IN_PROGRESS)) {
try {
final int requestType = mInfo.getRequestType();
switch (requestType) {
case RequestInfo.TYPE_WEATHER_BY_GEO_LOCATION_REQ:
case RequestInfo.TYPE_WEATHER_BY_WEATHER_LOCATION_REQ:
if (result.getWeatherInfo() == null) {
throw new IllegalStateException("The service request result doesn't"
+ " contain a valid WeatherInfo object");
}
mClient.setServiceRequestState(mInfo, result,
CMWeatherManager.RequestStatus.COMPLETED);
break;
case RequestInfo.TYPE_LOOKUP_CITY_NAME_REQ:
if (result.getLocationLookupList() == null
|| result.getLocationLookupList().size() <= 0) {
//In case the user decided to mark this request as completed with
//null or empty list. It's not necessarily a failure
mClient.setServiceRequestState(mInfo, null,
CMWeatherManager.RequestStatus.NO_MATCH_FOUND);
} else {
mClient.setServiceRequestState(mInfo, result,
CMWeatherManager.RequestStatus.COMPLETED);
}
break;
}
} catch (RemoteException e) {
}
mStatus = Status.COMPLETED;
}
}
}
/**
* This method should be called if the service failed to process the request
* (no internet connection, time out, etc.)
*/
public void fail() {
synchronized (this) {
if (mStatus.equals(Status.IN_PROGRESS)) {
try {
final int requestType = mInfo.getRequestType();
switch (requestType) {
case RequestInfo.TYPE_WEATHER_BY_GEO_LOCATION_REQ:
case RequestInfo.TYPE_WEATHER_BY_WEATHER_LOCATION_REQ:
mClient.setServiceRequestState(mInfo, null,
CMWeatherManager.RequestStatus.FAILED);
break;
case RequestInfo.TYPE_LOOKUP_CITY_NAME_REQ:
mClient.setServiceRequestState(mInfo, null,
CMWeatherManager.RequestStatus.FAILED);
break;
}
} catch (RemoteException e) {
}
mStatus = Status.FAILED;
}
}
}
/**
* This method should be called if the service decides not to honor the request. Note this
* method will accept only the following values.
* <ul>
* <li>{@link cyanogenmod.weather.CMWeatherManager.RequestStatus#SUBMITTED_TOO_SOON}</li>
* <li>{@link cyanogenmod.weather.CMWeatherManager.RequestStatus#ALREADY_IN_PROGRESS}</li>
* </ul>
* Attempting to pass any other value will get you an IllegalArgumentException
* @param status
*/
public void reject(int status) {
synchronized (this) {
if (mStatus.equals(Status.IN_PROGRESS)) {
switch (status) {
case CMWeatherManager.RequestStatus.ALREADY_IN_PROGRESS:
case CMWeatherManager.RequestStatus.SUBMITTED_TOO_SOON:
try {
mClient.setServiceRequestState(mInfo, null, status);
} catch (RemoteException e) {
e.printStackTrace();
}
break;
default:
throw new IllegalArgumentException("Can't reject with status " + status);
}
mStatus = Status.REJECTED;
}
}
}
/**
* Called by the WeatherProviderService base class to notify we don't want this request anymore.
* The service implementing the WeatherProviderService will be notified of this action
* via onRequestCancelled()
* @hide
*/
public void cancel() {
synchronized (this) {
mStatus = Status.CANCELLED;
}
}
}
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