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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.app.Activity;
import android.app.AlertDialog;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.hardware.usb.IUsbManager;
import android.hardware.usb.UsbDevice;
import android.hardware.usb.UsbAccessory;
import android.hardware.usb.UsbManager;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.TextView;
import com.android.internal.app.AlertActivity;
import com.android.internal.app.AlertController;
import com.android.systemui.R;
public class UsbConfirmActivity extends AlertActivity
implements DialogInterface.OnClickListener, CheckBox.OnCheckedChangeListener {
private static final String TAG = "UsbConfirmActivity";
private CheckBox mAlwaysUse;
private TextView mClearDefaultHint;
private UsbDevice mDevice;
private UsbAccessory mAccessory;
private ResolveInfo mResolveInfo;
private boolean mPermissionGranted;
private UsbDisconnectedReceiver mDisconnectedReceiver;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
Intent intent = getIntent();
mDevice = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
mAccessory = (UsbAccessory)intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY);
mResolveInfo = (ResolveInfo)intent.getParcelableExtra("rinfo");
PackageManager packageManager = getPackageManager();
String appName = mResolveInfo.loadLabel(packageManager).toString();
final AlertController.AlertParams ap = mAlertParams;
ap.mIcon = mResolveInfo.loadIcon(packageManager);
ap.mTitle = appName;
if (mDevice == null) {
ap.mMessage = getString(R.string.usb_accessory_confirm_prompt, appName);
mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mAccessory);
} else {
ap.mMessage = getString(R.string.usb_device_confirm_prompt, appName);
mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mDevice);
}
ap.mPositiveButtonText = getString(android.R.string.ok);
ap.mNegativeButtonText = getString(android.R.string.cancel);
ap.mPositiveButtonListener = this;
ap.mNegativeButtonListener = this;
// add "always use" checkbox
LayoutInflater inflater = (LayoutInflater)getSystemService(
Context.LAYOUT_INFLATER_SERVICE);
ap.mView = inflater.inflate(com.android.internal.R.layout.always_use_checkbox, null);
mAlwaysUse = (CheckBox)ap.mView.findViewById(com.android.internal.R.id.alwaysUse);
if (mDevice == null) {
mAlwaysUse.setText(R.string.always_use_accessory);
} else {
mAlwaysUse.setText(R.string.always_use_device);
}
mAlwaysUse.setOnCheckedChangeListener(this);
mClearDefaultHint = (TextView)ap.mView.findViewById(
com.android.internal.R.id.clearDefaultHint);
mClearDefaultHint.setVisibility(View.GONE);
setupAlert();
}
@Override
protected void onDestroy() {
if (mDisconnectedReceiver != null) {
unregisterReceiver(mDisconnectedReceiver);
}
super.onDestroy();
}
public void onClick(DialogInterface dialog, int which) {
if (which == AlertDialog.BUTTON_POSITIVE) {
try {
IBinder b = ServiceManager.getService(USB_SERVICE);
IUsbManager service = IUsbManager.Stub.asInterface(b);
int uid = mResolveInfo.activityInfo.applicationInfo.uid;
boolean alwaysUse = mAlwaysUse.isChecked();
Intent intent = null;
if (mDevice != null) {
intent = new Intent(UsbManager.ACTION_USB_DEVICE_ATTACHED);
intent.putExtra(UsbManager.EXTRA_DEVICE, mDevice);
// grant permission for the device
service.grantDevicePermission(mDevice, uid);
// set or clear default setting
if (alwaysUse) {
service.setDevicePackage(mDevice, mResolveInfo.activityInfo.packageName);
} else {
service.setDevicePackage(mDevice, null);
}
} else if (mAccessory != null) {
intent = new Intent(UsbManager.ACTION_USB_ACCESSORY_ATTACHED);
intent.putExtra(UsbManager.EXTRA_ACCESSORY, mAccessory);
// grant permission for the accessory
service.grantAccessoryPermission(mAccessory, uid);
// set or clear default setting
if (alwaysUse) {
service.setAccessoryPackage(mAccessory,
mResolveInfo.activityInfo.packageName);
} else {
service.setAccessoryPackage(mAccessory, null);
}
}
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setComponent(
new ComponentName(mResolveInfo.activityInfo.packageName,
mResolveInfo.activityInfo.name));
startActivity(intent);
} catch (Exception e) {
Log.e(TAG, "Unable to start activity", e);
}
}
finish();
}
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (mClearDefaultHint == null) return;
if(isChecked) {
mClearDefaultHint.setVisibility(View.VISIBLE);
} else {
mClearDefaultHint.setVisibility(View.GONE);
}
}
}
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