/*
* 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.content.ActivityNotFoundException;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.hardware.usb.UsbAccessory;
import android.hardware.usb.UsbManager;
import android.os.Bundle;
import android.util.Log;
import com.android.internal.app.AlertActivity;
import com.android.internal.app.AlertController;
import com.android.systemui.R;
/**
* If the attached USB accessory has a URL associated with it, and that URL is valid,
* show this dialog to the user to allow them to optionally visit that URL for more
* information or software downloads.
* Otherwise (no valid URL) this activity does nothing at all, finishing immediately.
*/
public class UsbAccessoryUriActivity extends AlertActivity
implements DialogInterface.OnClickListener {
private static final String TAG = "UsbAccessoryUriActivity";
private UsbAccessory mAccessory;
private Uri mUri;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
Intent intent = getIntent();
mAccessory = (UsbAccessory)intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY);
String uriString = intent.getStringExtra("uri");
mUri = (uriString == null ? null : Uri.parse(uriString));
// sanity check before displaying dialog
if (mUri == null) {
Log.e(TAG, "could not parse Uri " + uriString);
finish();
return;
}
String scheme = mUri.getScheme();
if (!"http".equals(scheme) && !"https".equals(scheme)) {
Log.e(TAG, "Uri not http or https: " + mUri);
finish();
return;
}
final AlertController.AlertParams ap = mAlertParams;
ap.mTitle = mAccessory.getDescription();
if (ap.mTitle == null || ap.mTitle.length() == 0) {
ap.mTitle = getString(R.string.title_usb_accessory);
}
ap.mMessage = getString(R.string.usb_accessory_uri_prompt, mUri);
ap.mPositiveButtonText = getString(R.string.label_view);
ap.mNegativeButtonText = getString(android.R.string.cancel);
ap.mPositiveButtonListener = this;
ap.mNegativeButtonListener = this;
setupAlert();
}
public void onClick(DialogInterface dialog, int which) {
if (which == AlertDialog.BUTTON_POSITIVE) {
// launch the browser
Intent intent = new Intent(Intent.ACTION_VIEW, mUri);
intent.addCategory(Intent.CATEGORY_BROWSABLE);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
try {
startActivity(intent);
} catch (ActivityNotFoundException e) {
Log.e(TAG, "startActivity failed for " + mUri);
}
}
finish();
}
}