| /* |
| * 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.app.PendingIntent; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| 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 UsbPermissionActivity extends AlertActivity |
| implements DialogInterface.OnClickListener, CheckBox.OnCheckedChangeListener { |
| |
| private static final String TAG = "UsbPermissionActivity"; |
| |
| private CheckBox mAlwaysUse; |
| private TextView mClearDefaultHint; |
| private UsbDevice mDevice; |
| private UsbAccessory mAccessory; |
| private PendingIntent mPendingIntent; |
| private String mPackageName; |
| private int mUid; |
| 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); |
| mPendingIntent = (PendingIntent)intent.getParcelableExtra(Intent.EXTRA_INTENT); |
| mUid = intent.getIntExtra("uid", 0); |
| mPackageName = intent.getStringExtra("package"); |
| |
| PackageManager packageManager = getPackageManager(); |
| ApplicationInfo aInfo; |
| try { |
| aInfo = packageManager.getApplicationInfo(mPackageName, 0); |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.e(TAG, "unable to look up package name", e); |
| finish(); |
| return; |
| } |
| String appName = aInfo.loadLabel(packageManager).toString(); |
| |
| final AlertController.AlertParams ap = mAlertParams; |
| ap.mIcon = aInfo.loadIcon(packageManager); |
| ap.mTitle = appName; |
| if (mDevice == null) { |
| ap.mMessage = getString(R.string.usb_accessory_permission_prompt, appName); |
| mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mAccessory); |
| } else { |
| ap.mMessage = getString(R.string.usb_device_permission_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 |
| public void onDestroy() { |
| IBinder b = ServiceManager.getService(USB_SERVICE); |
| IUsbManager service = IUsbManager.Stub.asInterface(b); |
| |
| // send response via pending intent |
| Intent intent = new Intent(); |
| try { |
| if (mDevice != null) { |
| intent.putExtra(UsbManager.EXTRA_DEVICE, mDevice); |
| if (mPermissionGranted) { |
| service.grantDevicePermission(mDevice, mUid); |
| if (mAlwaysUse.isChecked()) { |
| service.setDevicePackage(mDevice, mPackageName); |
| } |
| } |
| } |
| if (mAccessory != null) { |
| intent.putExtra(UsbManager.EXTRA_ACCESSORY, mAccessory); |
| if (mPermissionGranted) { |
| service.grantAccessoryPermission(mAccessory, mUid); |
| if (mAlwaysUse.isChecked()) { |
| service.setAccessoryPackage(mAccessory, mPackageName); |
| } |
| } |
| } |
| intent.putExtra(UsbManager.EXTRA_PERMISSION_GRANTED, mPermissionGranted); |
| mPendingIntent.send(this, 0, intent); |
| } catch (PendingIntent.CanceledException e) { |
| Log.w(TAG, "PendingIntent was cancelled"); |
| } catch (RemoteException e) { |
| Log.e(TAG, "IUsbService connection failed", e); |
| } |
| |
| if (mDisconnectedReceiver != null) { |
| unregisterReceiver(mDisconnectedReceiver); |
| } |
| super.onDestroy(); |
| } |
| |
| public void onClick(DialogInterface dialog, int which) { |
| if (which == AlertDialog.BUTTON_POSITIVE) { |
| mPermissionGranted = true; |
| } |
| finish(); |
| } |
| |
| public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { |
| if (mClearDefaultHint == null) return; |
| |
| if(isChecked) { |
| mClearDefaultHint.setVisibility(View.VISIBLE); |
| } else { |
| mClearDefaultHint.setVisibility(View.GONE); |
| } |
| } |
| } |