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