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/*
* Copyright (C) 2013 The Android Open Source 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 com.android.printspooler;
import java.util.List;
import android.app.PendingIntent;
import android.app.Service;
import android.content.ComponentName;
import android.content.Intent;
import android.content.IntentSender;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
import android.os.ParcelFileDescriptor;
import android.os.RemoteException;
import android.print.IPrintDocumentAdapter;
import android.print.IPrintClient;
import android.print.IPrintSpoolerClient;
import android.print.IPrintSpooler;
import android.print.IPrintSpoolerCallbacks;
import android.print.PrintAttributes;
import android.print.PrintJobInfo;
import android.util.Slog;
import com.android.internal.os.SomeArgs;
/**
* Service for exposing some of the {@link PrintSpooler} functionality to
* another process.
*/
public final class PrintSpoolerService extends Service {
private static final String LOG_TAG = "PrintSpoolerService";
private Intent mStartPrintJobConfigActivityIntent;
private PrintSpooler mSpooler;
private Handler mHanlder;
@Override
public void onCreate() {
super.onCreate();
mStartPrintJobConfigActivityIntent = new Intent(PrintSpoolerService.this,
PrintJobConfigActivity.class);
mSpooler = PrintSpooler.getInstance(this);
mHanlder = new MyHandler(getMainLooper());
}
@Override
public IBinder onBind(Intent intent) {
mSpooler.restorePersistedState();
return new IPrintSpooler.Stub() {
@Override
public void getPrintJobInfos(IPrintSpoolerCallbacks callback,
ComponentName componentName, int state, int appId, int sequence)
throws RemoteException {
List<PrintJobInfo> printJobs = null;
try {
printJobs = mSpooler.getPrintJobInfos(componentName, state, appId);
} finally {
callback.onGetPrintJobInfosResult(printJobs, sequence);
}
}
@Override
public void getPrintJobInfo(int printJobId, IPrintSpoolerCallbacks callback,
int appId, int sequence) throws RemoteException {
PrintJobInfo printJob = null;
try {
printJob = mSpooler.getPrintJobInfo(printJobId, appId);
} finally {
callback.onGetPrintJobInfoResult(printJob, sequence);
}
}
@Override
public void cancelPrintJob(int printJobId, IPrintSpoolerCallbacks callback,
int appId, int sequence) throws RemoteException {
boolean success = false;
try {
success = mSpooler.cancelPrintJob(printJobId, appId);
} finally {
callback.onCancelPrintJobResult(success, sequence);
}
}
@SuppressWarnings("deprecation")
@Override
public void createPrintJob(String printJobName, IPrintClient client,
IPrintDocumentAdapter printAdapter, PrintAttributes attributes,
IPrintSpoolerCallbacks callback, int appId, int sequence)
throws RemoteException {
PrintJobInfo printJob = null;
try {
printJob = mSpooler.createPrintJob(printJobName, client,
attributes, appId);
if (printJob != null) {
Intent intent = mStartPrintJobConfigActivityIntent;
intent.putExtra(PrintJobConfigActivity.EXTRA_PRINTABLE,
printAdapter.asBinder());
intent.putExtra(PrintJobConfigActivity.EXTRA_APP_ID, appId);
intent.putExtra(PrintJobConfigActivity.EXTRA_PRINT_JOB_ID,
printJob.getId());
intent.putExtra(PrintJobConfigActivity.EXTRA_ATTRIBUTES, attributes);
IntentSender sender = PendingIntent.getActivity(
PrintSpoolerService.this, 0, intent, PendingIntent.FLAG_ONE_SHOT
| PendingIntent.FLAG_CANCEL_CURRENT).getIntentSender();
SomeArgs args = SomeArgs.obtain();
args.arg1 = client;
args.arg2 = sender;
mHanlder.obtainMessage(0, args).sendToTarget();
}
} finally {
callback.onCreatePrintJobResult(printJob, sequence);
}
}
@Override
public void setPrintJobState(int printJobId, int state,
IPrintSpoolerCallbacks callback, int sequece)
throws RemoteException {
boolean success = false;
try {
// TODO: Make sure the clients (print services) can set the state
// only to acceptable ones, e.g. not settings STATE_CREATED.
success = mSpooler.setPrintJobState(printJobId, state);
} finally {
callback.onSetPrintJobStateResult(success, sequece);
}
}
@Override
public void setPrintJobTag(int printJobId, String tag,
IPrintSpoolerCallbacks callback, int sequece)
throws RemoteException {
boolean success = false;
try {
success = mSpooler.setPrintJobTag(printJobId, tag);
} finally {
callback.onSetPrintJobTagResult(success, sequece);
}
}
@Override
public void writePrintJobData(ParcelFileDescriptor fd, int printJobId) {
mSpooler.writePrintJobData(fd, printJobId);
}
@Override
public void setClient(IPrintSpoolerClient client) {
mSpooler.setCleint(client);
}
@Override
public void notifyClientForActivteJobs() {
mSpooler.notifyClientForActivteJobs();
}
};
}
private static final class MyHandler extends Handler {
public MyHandler(Looper looper) {
super(looper, null, true);
}
@Override
public void handleMessage(Message message) {
SomeArgs args = (SomeArgs) message.obj;
IPrintClient client = (IPrintClient) args.arg1;
IntentSender sender = (IntentSender) args.arg2;
args.recycle();
try {
client.startPrintJobConfigActivity(sender);
} catch (RemoteException re) {
Slog.i(LOG_TAG, "Error starting print job config activity!", re);
}
}
}
}
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