1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.usb; 18 19 import android.app.Activity; 20 import android.app.AlertDialog; 21 import android.content.ComponentName; 22 import android.content.Context; 23 import android.content.DialogInterface; 24 import android.content.Intent; 25 import android.content.pm.ApplicationInfo; 26 import android.content.pm.PackageManager; 27 import android.content.pm.ResolveInfo; 28 import android.hardware.usb.IUsbManager; 29 import android.hardware.usb.UsbDevice; 30 import android.hardware.usb.UsbAccessory; 31 import android.hardware.usb.UsbManager; 32 import android.os.Bundle; 33 import android.os.IBinder; 34 import android.os.RemoteException; 35 import android.os.ServiceManager; 36 import android.util.Log; 37 import android.view.LayoutInflater; 38 import android.view.View; 39 import android.widget.CheckBox; 40 import android.widget.CompoundButton; 41 import android.widget.TextView; 42 43 import com.android.internal.app.AlertActivity; 44 import com.android.internal.app.AlertController; 45 46 import com.android.systemui.R; 47 48 public class UsbConfirmActivity extends AlertActivity 49 implements DialogInterface.OnClickListener, CheckBox.OnCheckedChangeListener { 50 51 private static final String TAG = "UsbConfirmActivity"; 52 53 private CheckBox mAlwaysUse; 54 private TextView mClearDefaultHint; 55 private UsbDevice mDevice; 56 private UsbAccessory mAccessory; 57 private ResolveInfo mResolveInfo; 58 private boolean mPermissionGranted; 59 private UsbDisconnectedReceiver mDisconnectedReceiver; 60 61 @Override 62 public void onCreate(Bundle icicle) { 63 super.onCreate(icicle); 64 65 Intent intent = getIntent(); 66 mDevice = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE); 67 mAccessory = (UsbAccessory)intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY); 68 mResolveInfo = (ResolveInfo)intent.getParcelableExtra("rinfo"); 69 70 PackageManager packageManager = getPackageManager(); 71 String appName = mResolveInfo.loadLabel(packageManager).toString(); 72 73 final AlertController.AlertParams ap = mAlertParams; 74 ap.mIcon = mResolveInfo.loadIcon(packageManager); 75 ap.mTitle = appName; 76 if (mDevice == null) { 77 ap.mMessage = getString(R.string.usb_accessory_confirm_prompt, appName); 78 mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mAccessory); 79 } else { 80 ap.mMessage = getString(R.string.usb_device_confirm_prompt, appName); 81 mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mDevice); 82 } 83 ap.mPositiveButtonText = getString(android.R.string.ok); 84 ap.mNegativeButtonText = getString(android.R.string.cancel); 85 ap.mPositiveButtonListener = this; 86 ap.mNegativeButtonListener = this; 87 88 // add "always use" checkbox 89 LayoutInflater inflater = (LayoutInflater)getSystemService( 90 Context.LAYOUT_INFLATER_SERVICE); 91 ap.mView = inflater.inflate(com.android.internal.R.layout.always_use_checkbox, null); 92 mAlwaysUse = (CheckBox)ap.mView.findViewById(com.android.internal.R.id.alwaysUse); 93 if (mDevice == null) { 94 mAlwaysUse.setText(R.string.always_use_accessory); 95 } else { 96 mAlwaysUse.setText(R.string.always_use_device); 97 } 98 mAlwaysUse.setOnCheckedChangeListener(this); 99 mClearDefaultHint = (TextView)ap.mView.findViewById( 100 com.android.internal.R.id.clearDefaultHint); 101 mClearDefaultHint.setVisibility(View.GONE); 102 103 setupAlert(); 104 105 } 106 107 @Override 108 protected void onDestroy() { 109 if (mDisconnectedReceiver != null) { 110 unregisterReceiver(mDisconnectedReceiver); 111 } 112 super.onDestroy(); 113 } 114 115 public void onClick(DialogInterface dialog, int which) { 116 if (which == AlertDialog.BUTTON_POSITIVE) { 117 try { 118 IBinder b = ServiceManager.getService(USB_SERVICE); 119 IUsbManager service = IUsbManager.Stub.asInterface(b); 120 int uid = mResolveInfo.activityInfo.applicationInfo.uid; 121 boolean alwaysUse = mAlwaysUse.isChecked(); 122 Intent intent = null; 123 124 if (mDevice != null) { 125 intent = new Intent(UsbManager.ACTION_USB_DEVICE_ATTACHED); 126 intent.putExtra(UsbManager.EXTRA_DEVICE, mDevice); 127 128 // grant permission for the device 129 service.grantDevicePermission(mDevice, uid); 130 // set or clear default setting 131 if (alwaysUse) { 132 service.setDevicePackage(mDevice, mResolveInfo.activityInfo.packageName); 133 } else { 134 service.setDevicePackage(mDevice, null); 135 } 136 } else if (mAccessory != null) { 137 intent = new Intent(UsbManager.ACTION_USB_ACCESSORY_ATTACHED); 138 intent.putExtra(UsbManager.EXTRA_ACCESSORY, mAccessory); 139 140 // grant permission for the accessory 141 service.grantAccessoryPermission(mAccessory, uid); 142 // set or clear default setting 143 if (alwaysUse) { 144 service.setAccessoryPackage(mAccessory, 145 mResolveInfo.activityInfo.packageName); 146 } else { 147 service.setAccessoryPackage(mAccessory, null); 148 } 149 } 150 151 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 152 intent.setComponent( 153 new ComponentName(mResolveInfo.activityInfo.packageName, 154 mResolveInfo.activityInfo.name)); 155 startActivity(intent); 156 } catch (Exception e) { 157 Log.e(TAG, "Unable to start activity", e); 158 } 159 } 160 finish(); 161 } 162 163 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 164 if (mClearDefaultHint == null) return; 165 166 if(isChecked) { 167 mClearDefaultHint.setVisibility(View.VISIBLE); 168 } else { 169 mClearDefaultHint.setVisibility(View.GONE); 170 } 171 } 172 } 173
