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/*
* Copyright (C) 2011 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.systemui.usb;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import android.hardware.usb.IUsbManager;
import android.hardware.usb.UsbAccessory;
import android.hardware.usb.UsbDevice;
import android.hardware.usb.UsbManager;
import android.os.Bundle;
import android.os.IBinder;
import android.os.Parcelable;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.UserHandle;
import android.util.Log;
import android.widget.CheckBox;
import com.android.internal.app.ResolverActivity;
import com.android.systemui.R;
import java.util.ArrayList;
/* Activity for choosing an application for a USB device or accessory */
public class UsbResolverActivity extends ResolverActivity {
public static final String TAG = "UsbResolverActivity";
public static final String EXTRA_RESOLVE_INFOS = "rlist";
private UsbDevice mDevice;
private UsbAccessory mAccessory;
private UsbDisconnectedReceiver mDisconnectedReceiver;
@Override
protected void onCreate(Bundle savedInstanceState) {
Intent intent = getIntent();
Parcelable targetParcelable = intent.getParcelableExtra(Intent.EXTRA_INTENT);
if (!(targetParcelable instanceof Intent)) {
Log.w("UsbResolverActivity", "Target is not an intent: " + targetParcelable);
finish();
return;
}
Intent target = (Intent)targetParcelable;
ArrayList<ResolveInfo> rList = intent.getParcelableArrayListExtra(EXTRA_RESOLVE_INFOS);
CharSequence title = getResources().getText(com.android.internal.R.string.chooseUsbActivity);
super.onCreate(savedInstanceState, target, title, null, rList,
true /* Set alwaysUseOption to true to enable "always use this app" checkbox. */ );
CheckBox alwaysUse = (CheckBox)findViewById(com.android.internal.R.id.alwaysUse);
if (alwaysUse != null) {
if (mDevice == null) {
alwaysUse.setText(R.string.always_use_accessory);
} else {
alwaysUse.setText(R.string.always_use_device);
}
}
mDevice = (UsbDevice)target.getParcelableExtra(UsbManager.EXTRA_DEVICE);
if (mDevice != null) {
mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mDevice);
} else {
mAccessory = (UsbAccessory)target.getParcelableExtra(UsbManager.EXTRA_ACCESSORY);
if (mAccessory == null) {
Log.e(TAG, "no device or accessory");
finish();
return;
}
mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mAccessory);
}
}
@Override
protected void onDestroy() {
if (mDisconnectedReceiver != null) {
unregisterReceiver(mDisconnectedReceiver);
}
super.onDestroy();
}
@Override
protected boolean onTargetSelected(TargetInfo target, boolean alwaysCheck) {
final ResolveInfo ri = target.getResolveInfo();
try {
IBinder b = ServiceManager.getService(USB_SERVICE);
IUsbManager service = IUsbManager.Stub.asInterface(b);
final int uid = ri.activityInfo.applicationInfo.uid;
final int userId = UserHandle.myUserId();
if (mDevice != null) {
// grant permission for the device
service.grantDevicePermission(mDevice, uid);
// set or clear default setting
if (alwaysCheck) {
service.setDevicePackage(mDevice, ri.activityInfo.packageName, userId);
} else {
service.setDevicePackage(mDevice, null, userId);
}
} else if (mAccessory != null) {
// grant permission for the accessory
service.grantAccessoryPermission(mAccessory, uid);
// set or clear default setting
if (alwaysCheck) {
service.setAccessoryPackage(mAccessory, ri.activityInfo.packageName, userId);
} else {
service.setAccessoryPackage(mAccessory, null, userId);
}
}
try {
target.startAsUser(this, null, new UserHandle(userId));
} catch (ActivityNotFoundException e) {
Log.e(TAG, "startActivity failed", e);
}
} catch (RemoteException e) {
Log.e(TAG, "onIntentSelected failed", e);
}
return true;
}
}
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