/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.systemui.usb;
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import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE;
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import android.content.ActivityNotFoundException;
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import android.content.Intent;
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import android.content.pm.ResolveInfo;
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import android.hardware.usb.IUsbManager;
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import android.hardware.usb.UsbAccessory;
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import android.hardware.usb.UsbDevice;
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import android.hardware.usb.UsbManager;
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import android.os.Bundle;
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import android.os.IBinder;
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import android.os.Parcelable;
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import android.os.RemoteException;
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import android.os.ServiceManager;
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import android.os.UserHandle;
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import android.util.Log;
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import android.widget.CheckBox;
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import com.android.internal.app.ResolverActivity;
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import com.android.systemui.R;
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import java.util.ArrayList;
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import java.util.Iterator;
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/* Activity for choosing an application for a USB device or accessory */
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public class UsbResolverActivity extends ResolverActivity {
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public static final String TAG = "UsbResolverActivity";
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public static final String EXTRA_RESOLVE_INFOS = "rlist";
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public static final String EXTRA_RESOLVE_INFO = "rinfo";
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private UsbDevice mDevice;
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private UsbAccessory mAccessory;
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private UsbDisconnectedReceiver mDisconnectedReceiver;
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/** Resolve info that switches user profiles */
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private ResolveInfo mForwardResolveInfo;
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/** The intent that should be started when the profile is switched */
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private Intent mOtherProfileIntent;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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Intent intent = getIntent();
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Parcelable targetParcelable = intent.getParcelableExtra(Intent.EXTRA_INTENT);
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if (!(targetParcelable instanceof Intent)) {
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Log.w("UsbResolverActivity", "Target is not an intent: " + targetParcelable);
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finish();
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return;
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}
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Intent target = (Intent)targetParcelable;
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ArrayList<ResolveInfo> rList = new ArrayList<>(
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intent.getParcelableArrayListExtra(EXTRA_RESOLVE_INFOS));
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// The rList contains the apps for all profiles of this users. Separate those. We currently
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// only support two profiles, i.e. one forward resolve info.
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ArrayList<ResolveInfo> rListOtherProfile = new ArrayList<>();
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mForwardResolveInfo = null;
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for (Iterator<ResolveInfo> iterator = rList.iterator(); iterator.hasNext();) {
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ResolveInfo ri = iterator.next();
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if (ri.getComponentInfo().name.equals(FORWARD_INTENT_TO_MANAGED_PROFILE)) {
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mForwardResolveInfo = ri;
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} else if (UserHandle.getUserId(ri.activityInfo.applicationInfo.uid)
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!= UserHandle.myUserId()) {
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iterator.remove();
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rListOtherProfile.add(ri);
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}
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}
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mDevice = (UsbDevice)target.getParcelableExtra(UsbManager.EXTRA_DEVICE);
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if (mDevice != null) {
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mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mDevice);
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} else {
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mAccessory = (UsbAccessory)target.getParcelableExtra(UsbManager.EXTRA_ACCESSORY);
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if (mAccessory == null) {
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Log.e(TAG, "no device or accessory");
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finish();
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return;
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}
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mDisconnectedReceiver = new UsbDisconnectedReceiver(this, mAccessory);
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}
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// Create intent that will be used when switching to other profile. Emulate the behavior of
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// UsbProfileGroupSettingsManager#resolveActivity
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if (mForwardResolveInfo != null) {
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if (rListOtherProfile.size() > 1) {
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mOtherProfileIntent = new Intent(intent);
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mOtherProfileIntent.putParcelableArrayListExtra(EXTRA_RESOLVE_INFOS,
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rListOtherProfile);
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} else {
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mOtherProfileIntent = new Intent(this, UsbConfirmActivity.class);
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mOtherProfileIntent.putExtra(EXTRA_RESOLVE_INFO, rListOtherProfile.get(0));
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if (mDevice != null) {
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mOtherProfileIntent.putExtra(UsbManager.EXTRA_DEVICE, mDevice);
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}
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if (mAccessory != null) {
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mOtherProfileIntent.putExtra(UsbManager.EXTRA_ACCESSORY, mAccessory);
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}
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}
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}
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CharSequence title = getResources().getText(com.android.internal.R.string.chooseUsbActivity);
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super.onCreate(savedInstanceState, target, title, null, rList, true);
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CheckBox alwaysUse = (CheckBox)findViewById(com.android.internal.R.id.alwaysUse);
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if (alwaysUse != null) {
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if (mDevice == null) {
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alwaysUse.setText(R.string.always_use_accessory);
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} else {
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alwaysUse.setText(R.string.always_use_device);
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}
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}
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}
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@Override
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protected void onDestroy() {
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if (mDisconnectedReceiver != null) {
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unregisterReceiver(mDisconnectedReceiver);
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}
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super.onDestroy();
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}
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@Override
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protected boolean onTargetSelected(TargetInfo target, boolean alwaysCheck) {
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final ResolveInfo ri = target.getResolveInfo();
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if (ri == mForwardResolveInfo) {
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startActivityAsUser(mOtherProfileIntent, null,
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UserHandle.of(mForwardResolveInfo.targetUserId));
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return true;
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}
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try {
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IBinder b = ServiceManager.getService(USB_SERVICE);
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IUsbManager service = IUsbManager.Stub.asInterface(b);
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final int uid = ri.activityInfo.applicationInfo.uid;
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final int userId = UserHandle.myUserId();
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if (mDevice != null) {
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// grant permission for the device
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service.grantDevicePermission(mDevice, uid);
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// set or clear default setting
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if (alwaysCheck) {
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service.setDevicePackage(mDevice, ri.activityInfo.packageName, userId);
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} else {
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service.setDevicePackage(mDevice, null, userId);
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}
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} else if (mAccessory != null) {
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// grant permission for the accessory
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service.grantAccessoryPermission(mAccessory, uid);
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// set or clear default setting
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if (alwaysCheck) {
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service.setAccessoryPackage(mAccessory, ri.activityInfo.packageName, userId);
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} else {
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service.setAccessoryPackage(mAccessory, null, userId);
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}
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}
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try {
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target.startAsUser(this, null, UserHandle.of(userId));
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} catch (ActivityNotFoundException e) {
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Log.e(TAG, "startActivity failed", e);
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}
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} catch (RemoteException e) {
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Log.e(TAG, "onIntentSelected failed", e);
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}
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return true;
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}
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}
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