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 static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 20 21 import android.content.ActivityNotFoundException; 22 import android.content.Intent; 23 import android.content.pm.ResolveInfo; 24 import android.hardware.usb.IUsbManager; 25 import android.hardware.usb.UsbAccessory; 26 import android.hardware.usb.UsbDevice; 27 import android.hardware.usb.UsbManager; 28 import android.os.Bundle; 29 import android.os.IBinder; 30 import android.os.Parcelable; 31 import android.os.RemoteException; 32 import android.os.ServiceManager; 33 import android.os.UserHandle; 34 import android.util.Log; 35 import android.widget.CheckBox; 36 37 import com.android.internal.app.ResolverActivity; 38 import com.android.systemui.R; 39 40 import java.util.ArrayList; 41 import java.util.Iterator; 42 43 /* Activity for choosing an application for a USB device or accessory */ 44 public class UsbResolverActivity extends ResolverActivity { 45 public static final String TAG = "UsbResolverActivity"; 46 public static final String EXTRA_RESOLVE_INFOS = "rlist"; 47 public static final String EXTRA_RESOLVE_INFO = "rinfo"; 48 49 private UsbDevice mDevice; 50 private UsbAccessory mAccessory; 51 private UsbDisconnectedReceiver mDisconnectedReceiver; 52 53 /** Resolve info that switches user profiles */ 54 private ResolveInfo mForwardResolveInfo; 55 56 /** The intent that should be started when the profile is switched */ 57 private Intent mOtherProfileIntent; 58 59 @Override onCreate(Bundle savedInstanceState)60 protected void onCreate(Bundle savedInstanceState) { 61 Intent intent = getIntent(); 62 Parcelable targetParcelable = intent.getParcelableExtra(Intent.EXTRA_INTENT); 63 if (!(targetParcelable instanceof Intent)) { 64 Log.w("UsbResolverActivity", "Target is not an intent: " + targetParcelable); 65 finish(); 66 return; 67 } 68 Intent target = (Intent)targetParcelable; 69 ArrayList<ResolveInfo> rList = new ArrayList<>( 70 intent.getParcelableArrayListExtra(EXTRA_RESOLVE_INFOS)); 71 72 // The rList contains the apps for all profiles of this users. Separate those. We currently 73 // only support two profiles, i.e. one forward resolve info. 74 ArrayList<ResolveInfo> rListOtherProfile = new ArrayList<>(); 75 mForwardResolveInfo = null; 76 for (Iterator<ResolveInfo> iterator = rList.iterator(); iterator.hasNext();) { 77 ResolveInfo ri = iterator.next(); 78 79 if (ri.getComponentInfo().name.equals(FORWARD_INTENT_TO_MANAGED_PROFILE)) { 80 mForwardResolveInfo = ri; 81 } else if (UserHandle.getUserId(ri.activityInfo.applicationInfo.uid) 82 != UserHandle.myUserId()) { 83 iterator.remove(); 84 rListOtherProfile.add(ri); 85 } 86 } 87 88 mDevice = (UsbDevice)target.getParcelableExtra(UsbManager.EXTRA_DEVICE); 89 if (mDevice != null) { 90 mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mDevice); 91 } else { 92 mAccessory = (UsbAccessory)target.getParcelableExtra(UsbManager.EXTRA_ACCESSORY); 93 if (mAccessory == null) { 94 Log.e(TAG, "no device or accessory"); 95 finish(); 96 return; 97 } 98 mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mAccessory); 99 } 100 101 // Create intent that will be used when switching to other profile. Emulate the behavior of 102 // UsbProfileGroupSettingsManager#resolveActivity 103 if (mForwardResolveInfo != null) { 104 if (rListOtherProfile.size() > 1) { 105 mOtherProfileIntent = new Intent(intent); 106 mOtherProfileIntent.putParcelableArrayListExtra(EXTRA_RESOLVE_INFOS, 107 rListOtherProfile); 108 } else { 109 mOtherProfileIntent = new Intent(this, UsbConfirmActivity.class); 110 mOtherProfileIntent.putExtra(EXTRA_RESOLVE_INFO, rListOtherProfile.get(0)); 111 112 if (mDevice != null) { 113 mOtherProfileIntent.putExtra(UsbManager.EXTRA_DEVICE, mDevice); 114 } 115 116 if (mAccessory != null) { 117 mOtherProfileIntent.putExtra(UsbManager.EXTRA_ACCESSORY, mAccessory); 118 } 119 } 120 } 121 122 CharSequence title = getResources().getText(com.android.internal.R.string.chooseUsbActivity); 123 super.onCreate(savedInstanceState, target, title, null, rList, true); 124 125 CheckBox alwaysUse = (CheckBox)findViewById(com.android.internal.R.id.alwaysUse); 126 if (alwaysUse != null) { 127 if (mDevice == null) { 128 alwaysUse.setText(R.string.always_use_accessory); 129 } else { 130 alwaysUse.setText(R.string.always_use_device); 131 } 132 } 133 } 134 135 @Override onDestroy()136 protected void onDestroy() { 137 if (mDisconnectedReceiver != null) { 138 unregisterReceiver(mDisconnectedReceiver); 139 } 140 super.onDestroy(); 141 } 142 143 @Override onTargetSelected(TargetInfo target, boolean alwaysCheck)144 protected boolean onTargetSelected(TargetInfo target, boolean alwaysCheck) { 145 final ResolveInfo ri = target.getResolveInfo(); 146 if (ri == mForwardResolveInfo) { 147 startActivityAsUser(mOtherProfileIntent, null, 148 UserHandle.of(mForwardResolveInfo.targetUserId)); 149 return true; 150 } 151 152 try { 153 IBinder b = ServiceManager.getService(USB_SERVICE); 154 IUsbManager service = IUsbManager.Stub.asInterface(b); 155 final int uid = ri.activityInfo.applicationInfo.uid; 156 final int userId = UserHandle.myUserId(); 157 158 if (mDevice != null) { 159 // grant permission for the device 160 service.grantDevicePermission(mDevice, uid); 161 // set or clear default setting 162 if (alwaysCheck) { 163 service.setDevicePackage(mDevice, ri.activityInfo.packageName, userId); 164 } else { 165 service.setDevicePackage(mDevice, null, userId); 166 } 167 } else if (mAccessory != null) { 168 // grant permission for the accessory 169 service.grantAccessoryPermission(mAccessory, uid); 170 // set or clear default setting 171 if (alwaysCheck) { 172 service.setAccessoryPackage(mAccessory, ri.activityInfo.packageName, userId); 173 } else { 174 service.setAccessoryPackage(mAccessory, null, userId); 175 } 176 } 177 178 try { 179 target.startAsUser(this, null, UserHandle.of(userId)); 180 } catch (ActivityNotFoundException e) { 181 Log.e(TAG, "startActivity failed", e); 182 } 183 } catch (RemoteException e) { 184 Log.e(TAG, "onIntentSelected failed", e); 185 } 186 return true; 187 } 188 } 189