/*
Copyright © 2013-2014, Silent Circle, LLC.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Any redistribution, use, or modification is done solely for personal
benefit and not for any commercial purpose or for monetary gain
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name Silent Circle nor the names of its contributors may
be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL SILENT CIRCLE, LLC BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This implementation is an edited version of original Android sources.
*/
/*
* Copyright (C) 2009 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.silentcircle.contacts.vcard;
import android.annotation.TargetApi;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.ProgressDialog;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnCancelListener;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.res.Configuration;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.IBinder;
import android.os.PowerManager;
import android.provider.OpenableColumns;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.TextUtils;
import android.text.style.RelativeSizeSpan;
import android.util.Log;
import android.widget.Toast;
import com.actionbarsherlock.app.SherlockFragmentActivity;
// import com.android.contacts.ContactsActivity;
import com.silentcircle.contacts.R;
//import com.silentcircle.silentcontacts.model.account.AccountWithDataSet;
//import com.silentcircle.silentcontacts.utils.AccountSelectionUtil;
import com.silentcircle.vcard.VCardEntryCounter;
import com.silentcircle.vcard.VCardParser;
import com.silentcircle.vcard.VCardParser_V21;
import com.silentcircle.vcard.VCardParser_V30;
import com.silentcircle.vcard.VCardSourceDetector;
import com.silentcircle.vcard.exception.VCardException;
import com.silentcircle.vcard.exception.VCardNestedException;
import com.silentcircle.vcard.exception.VCardVersionException;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.WritableByteChannel;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.Vector;
/**
* The class letting users to import vCard. This includes the UI part for letting them select an Account and posssibly a file if
* there's no Uri is given from its caller Activity.
*
* Note that this Activity assumes that the instance is a "one-shot Activity", which will be finished (with the method
* {@link Activity#finish()}) after the import and never reuse any Dialog in the instance. So this code is careless about the
* management around managed dialogs stuffs (like how onCreateDialog() is used).
*/
public class ImportVCardActivity extends SherlockFragmentActivity {
private static final String LOG_TAG = "VCardImport";
private static final int SELECT_ACCOUNT = 0;
/* package */static final String VCARD_URI_ARRAY = "vcard_uri";
/* package */static final String ESTIMATED_VCARD_TYPE_ARRAY = "estimated_vcard_type";
/* package */static final String ESTIMATED_CHARSET_ARRAY = "estimated_charset";
/* package */static final String VCARD_VERSION_ARRAY = "vcard_version";
/* package */static final String ENTRY_COUNT_ARRAY = "entry_count";
/* package */final static int VCARD_VERSION_AUTO_DETECT = 0;
/* package */final static int VCARD_VERSION_V21 = 1;
/* package */final static int VCARD_VERSION_V30 = 2;
private static final String SECURE_DIRECTORY_NAME = ".android_secure";
/**
* Notification id used when error happened before sending an import request to VCardServer.
*/
private static final int FAILURE_NOTIFICATION_ID = 1;
final static String CACHED_URIS = "cached_uris";
// private AccountSelectionUtil.AccountSelectedListener mAccountSelectionListener;
//
// private AccountWithDataSet mAccount;
//
private ProgressDialog mProgressDialogForScanVCard;
private ProgressDialog mProgressDialogForCachingVCard;
private List<VCardFile> mAllVCardFileList;
private VCardScanThread mVCardScanThread;
private VCardCacheThread mVCardCacheThread;
private ImportRequestConnection mConnection;
/* package */VCardImportExportListener mListener;
private String mErrorMessage;
private Handler mHandler = new Handler();
private static class VCardFile {
private final String mName;
private final String mCanonicalPath;
private final long mLastModified;
public VCardFile(String name, String canonicalPath, long lastModified) {
mName = name;
mCanonicalPath = canonicalPath;
mLastModified = lastModified;
}
public String getName() {
return mName;
}
public String getCanonicalPath() {
return mCanonicalPath;
}
public long getLastModified() {
return mLastModified;
}
}
// Runs on the UI thread.
private class DialogDisplayer implements Runnable {
private final int mResId;
public DialogDisplayer(int resId) {
mResId = resId;
}
public DialogDisplayer(String errorMessage) {
mResId = R.id.dialog_error_with_message;
mErrorMessage = errorMessage;
}
@Override
public void run() {
if (!isFinishing()) {
showDialog(mResId);
}
}
}
private class CancelListener implements DialogInterface.OnClickListener, DialogInterface.OnCancelListener {
@Override
public void onClick(DialogInterface dialog, int which) {
finish();
}
@Override
public void onCancel(DialogInterface dialog) {
finish();
}
}
private CancelListener mCancelListener = new CancelListener();
private class ImportRequestConnection implements ServiceConnection {
private VCardService mService;
public void sendImportRequest(final List<ImportRequest> requests) {
Log.i(LOG_TAG, "Send an import request");
mService.handleImportRequest(requests, mListener);
}
@Override
public void onServiceConnected(ComponentName name, IBinder binder) {
mService = ((VCardService.MyBinder) binder).getService();
Log.i(LOG_TAG,
String.format("Connected to VCardService. Kick a vCard cache thread (uri: %s)",
Arrays.toString(mVCardCacheThread.getSourceUris())));
mVCardCacheThread.start();
}
@Override
public void onServiceDisconnected(ComponentName name) {
Log.i(LOG_TAG, "Disconnected from VCardService");
}
}
/**
* Caches given vCard files into a local directory, and sends actual import request to {@link VCardService}.
*
* We need to cache given files into local storage. One of reasons is that some data (as Uri) may have special permissions.
* Callers may allow only this Activity to access that content, not what this Activity launched (like {@link VCardService}).
*/
private class VCardCacheThread extends Thread implements DialogInterface.OnCancelListener {
private boolean mCanceled;
private PowerManager.WakeLock mWakeLock;
private VCardParser mVCardParser;
private final Uri[] mSourceUris; // Given from a caller.
private final byte[] mSource;
private final String mDisplayName;
public VCardCacheThread(final Uri[] sourceUris) {
mSourceUris = sourceUris;
mSource = null;
final Context context = ImportVCardActivity.this;
final PowerManager powerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
mWakeLock = powerManager.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK | PowerManager.ON_AFTER_RELEASE, LOG_TAG);
mDisplayName = null;
}
@Override
public void finalize() {
if (mWakeLock != null && mWakeLock.isHeld()) {
Log.w(LOG_TAG, "WakeLock is being held.");
mWakeLock.release();
}
}
@Override
public void run() {
Log.i(LOG_TAG, "vCard cache thread starts running.");
if (mConnection == null) {
throw new NullPointerException("vCard cache thread must be launched "
+ "after a service connection is established");
}
mWakeLock.acquire();
try {
if (mCanceled == true) {
Log.i(LOG_TAG, "vCard cache operation is canceled.");
return;
}
final Context context = ImportVCardActivity.this;
// Uris given from caller applications may not be opened twice: consider when
// it is not from local storage (e.g. "file:///...") but from some special
// provider (e.g. "content://...").
// Thus we have to once copy the content of Uri into local storage, and read
// it after it.
//
// We may be able to read content of each vCard file during copying them
// to local storage, but currently vCard code does not allow us to do so.
int cache_index = 0;
ArrayList<ImportRequest> requests = new ArrayList<ImportRequest>();
if (mSource != null) {
try {
requests.add(constructImportRequest(mSource, null, mDisplayName));
}
catch (VCardException e) {
Log.e(LOG_TAG, "Maybe the file is in wrong format", e);
showFailureNotification(R.string.fail_reason_not_supported);
return;
}
}
else {
final ContentResolver resolver = ImportVCardActivity.this.getContentResolver();
for (Uri sourceUri : mSourceUris) {
String filename = null;
// Note: caches are removed by VCardService.
while (true) {
filename = VCardService.CACHE_FILE_PREFIX + cache_index + ".vcf";
final File file = context.getFileStreamPath(filename);
if (!file.exists()) {
break;
}
else {
if (cache_index == Integer.MAX_VALUE) {
throw new RuntimeException("Exceeded cache limit");
}
cache_index++;
}
}
final Uri localDataUri = copyTo(sourceUri, filename);
if (mCanceled) {
Log.i(LOG_TAG, "vCard cache operation is canceled.");
break;
}
if (localDataUri == null) {
Log.w(LOG_TAG, "destUri is null");
break;
}
String displayName = null;
Cursor cursor = null;
// Try to get a display name from the given Uri. If it fails, we just
// pick up the last part of the Uri.
try {
cursor = resolver.query(sourceUri, new String[] { OpenableColumns.DISPLAY_NAME }, null, null, null);
if (cursor != null && cursor.getCount() > 0 && cursor.moveToFirst()) {
if (cursor.getCount() > 1) {
Log.w(LOG_TAG, "Unexpected multiple rows: " + cursor.getCount());
}
int index = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME);
if (index >= 0) {
displayName = cursor.getString(index);
}
}
}
finally {
if (cursor != null) {
cursor.close();
}
}
if (TextUtils.isEmpty(displayName)) {
displayName = sourceUri.getLastPathSegment();
}
final ImportRequest request;
try {
request = constructImportRequest(null, localDataUri, displayName);
}
catch (VCardException e) {
Log.e(LOG_TAG, "Maybe the file is in wrong format", e);
showFailureNotification(R.string.fail_reason_not_supported);
return;
}
catch (IOException e) {
Log.e(LOG_TAG, "Unexpected IOException", e);
showFailureNotification(R.string.fail_reason_io_error);
return;
}
if (mCanceled) {
Log.i(LOG_TAG, "vCard cache operation is canceled.");
return;
}
requests.add(request);
}
}
if (!requests.isEmpty()) {
mConnection.sendImportRequest(requests);
}
else {
Log.w(LOG_TAG, "Empty import requests. Ignore it.");
}
}
catch (OutOfMemoryError e) {
Log.e(LOG_TAG, "OutOfMemoryError occured during caching vCard");
System.gc();
runOnUiThread(new DialogDisplayer(getString(R.string.fail_reason_low_memory_during_import)));
}
catch (IOException e) {
Log.e(LOG_TAG, "IOException during caching vCard", e);
runOnUiThread(new DialogDisplayer(getString(R.string.fail_reason_io_error)));
}
finally {
Log.i(LOG_TAG, "Finished caching vCard.");
mWakeLock.release();
unbindService(mConnection);
mProgressDialogForCachingVCard.dismiss();
mProgressDialogForCachingVCard = null;
finish();
}
}
/**
* Copy the content of sourceUri to the destination.
*/
private Uri copyTo(final Uri sourceUri, String filename) throws IOException {
Log.i(LOG_TAG, String.format("Copy a Uri to app local storage (%s -> %s)", sourceUri, filename));
final Context context = ImportVCardActivity.this;
final ContentResolver resolver = context.getContentResolver();
ReadableByteChannel inputChannel = null;
WritableByteChannel outputChannel = null;
Uri destUri = null;
try {
inputChannel = Channels.newChannel(resolver.openInputStream(sourceUri));
destUri = Uri.parse(context.getFileStreamPath(filename).toURI().toString());
outputChannel = context.openFileOutput(filename, Context.MODE_PRIVATE).getChannel();
final ByteBuffer buffer = ByteBuffer.allocateDirect(8192);
while (inputChannel.read(buffer) != -1) {
if (mCanceled) {
Log.d(LOG_TAG, "Canceled during caching " + sourceUri);
return null;
}
buffer.flip();
outputChannel.write(buffer);
buffer.compact();
}
buffer.flip();
while (buffer.hasRemaining()) {
outputChannel.write(buffer);
}
}
finally {
if (inputChannel != null) {
try {
inputChannel.close();
}
catch (IOException e) {
Log.w(LOG_TAG, "Failed to close inputChannel.");
}
}
if (outputChannel != null) {
try {
outputChannel.close();
}
catch (IOException e) {
Log.w(LOG_TAG, "Failed to close outputChannel");
}
}
}
return destUri;
}
/**
* Reads localDataUri (possibly multiple times) and constructs {@link ImportRequest} from its content.
*
* @arg localDataUri Uri actually used for the import. Should be stored in app local storage, as we cannot guarantee other
* types of Uris can be read multiple times. This variable populates {@link ImportRequest#uri}.
* @arg displayName Used for displaying information to the user. This variable populates {@link ImportRequest#displayName}
* .
*/
private ImportRequest constructImportRequest(final byte[] data, final Uri localDataUri, final String displayName)
throws IOException, VCardException {
final ContentResolver resolver = ImportVCardActivity.this.getContentResolver();
VCardEntryCounter counter = null;
VCardSourceDetector detector = null;
int vcardVersion = VCARD_VERSION_V21;
try {
boolean shouldUseV30 = false;
InputStream is;
if (data != null) {
is = new ByteArrayInputStream(data);
}
else {
is = resolver.openInputStream(localDataUri);
}
mVCardParser = new VCardParser_V21();
try {
counter = new VCardEntryCounter();
detector = new VCardSourceDetector();
mVCardParser.addInterpreter(counter);
mVCardParser.addInterpreter(detector);
mVCardParser.parse(is);
}
catch (VCardVersionException e1) {
try {
is.close();
}
catch (IOException e) {
}
shouldUseV30 = true;
if (data != null) {
is = new ByteArrayInputStream(data);
}
else {
is = resolver.openInputStream(localDataUri);
}
mVCardParser = new VCardParser_V30();
try {
counter = new VCardEntryCounter();
detector = new VCardSourceDetector();
mVCardParser.addInterpreter(counter);
mVCardParser.addInterpreter(detector);
mVCardParser.parse(is);
}
catch (VCardVersionException e2) {
throw new VCardException("vCard with unspported version.");
}
}
finally {
if (is != null) {
try {
is.close();
}
catch (IOException e) {
}
}
}
vcardVersion = shouldUseV30 ? VCARD_VERSION_V30 : VCARD_VERSION_V21;
}
catch (VCardNestedException e) {
Log.w(LOG_TAG, "Nested Exception is found (it may be false-positive).");
// Go through without throwing the Exception, as we may be able to detect the
// version before it
}
return new ImportRequest(null, data, localDataUri, displayName, detector.getEstimatedType(),
detector.getEstimatedCharset(), vcardVersion, counter.getCount());
}
public Uri[] getSourceUris() {
return mSourceUris;
}
public void cancel() {
mCanceled = true;
if (mVCardParser != null) {
mVCardParser.cancel();
}
}
@Override
public void onCancel(DialogInterface dialog) {
Log.i(LOG_TAG, "Cancel request has come. Abort caching vCard.");
cancel();
}
}
private class ImportTypeSelectedListener implements DialogInterface.OnClickListener {
public static final int IMPORT_ONE = 0;
public static final int IMPORT_MULTIPLE = 1;
public static final int IMPORT_ALL = 2;
public static final int IMPORT_TYPE_SIZE = 3;
private int mCurrentIndex;
public void onClick(DialogInterface dialog, int which) {
if (which == DialogInterface.BUTTON_POSITIVE) {
switch (mCurrentIndex) {
case IMPORT_ALL:
importVCardFromSDCard(mAllVCardFileList);
break;
case IMPORT_MULTIPLE:
showDialog(R.id.dialog_select_multiple_vcard);
break;
default:
showDialog(R.id.dialog_select_one_vcard);
break;
}
}
else if (which == DialogInterface.BUTTON_NEGATIVE) {
finish();
}
else {
mCurrentIndex = which;
}
}
}
private class VCardSelectedListener implements DialogInterface.OnClickListener, DialogInterface.OnMultiChoiceClickListener {
private int mCurrentIndex;
private Set<Integer> mSelectedIndexSet;
public VCardSelectedListener(boolean multipleSelect) {
mCurrentIndex = 0;
if (multipleSelect) {
mSelectedIndexSet = new HashSet<Integer>();
}
}
public void onClick(DialogInterface dialog, int which) {
if (which == DialogInterface.BUTTON_POSITIVE) {
if (mSelectedIndexSet != null) {
List<VCardFile> selectedVCardFileList = new ArrayList<VCardFile>();
final int size = mAllVCardFileList.size();
// We'd like to sort the files by its index, so we do not use Set iterator.
for (int i = 0; i < size; i++) {
if (mSelectedIndexSet.contains(i)) {
selectedVCardFileList.add(mAllVCardFileList.get(i));
}
}
importVCardFromSDCard(selectedVCardFileList);
}
else {
importVCardFromSDCard(mAllVCardFileList.get(mCurrentIndex));
}
}
else if (which == DialogInterface.BUTTON_NEGATIVE) {
finish();
}
else {
// Some file is selected.
mCurrentIndex = which;
if (mSelectedIndexSet != null) {
if (mSelectedIndexSet.contains(which)) {
mSelectedIndexSet.remove(which);
}
else {
mSelectedIndexSet.add(which);
}
}
}
}
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
if (mSelectedIndexSet == null || (mSelectedIndexSet.contains(which) == isChecked)) {
Log.e(LOG_TAG,
String.format("Inconsist state in index %d (%s)", which, mAllVCardFileList.get(which).getCanonicalPath()));
}
else {
onClick(dialog, which);
}
}
}
/**
* Thread scanning VCard from SDCard. After scanning, the dialog which lets a user select a vCard file is shown. After the
* choice, VCardReadThread starts running.
*/
private class VCardScanThread extends Thread implements OnCancelListener, OnClickListener {
private boolean mCanceled;
private boolean mGotIOException;
private File mRootDirectory;
// To avoid recursive link.
private Set<String> mCheckedPaths;
private PowerManager.WakeLock mWakeLock;
private class CanceledException extends Exception {
}
public VCardScanThread(File sdcardDirectory) {
mCanceled = false;
mGotIOException = false;
mRootDirectory = sdcardDirectory;
mCheckedPaths = new HashSet<String>();
PowerManager powerManager = (PowerManager) ImportVCardActivity.this.getSystemService(Context.POWER_SERVICE);
mWakeLock = powerManager.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK | PowerManager.ON_AFTER_RELEASE, LOG_TAG);
}
@Override
public void run() {
mAllVCardFileList = new Vector<VCardFile>();
try {
mWakeLock.acquire();
getVCardFileRecursively(mRootDirectory);
}
catch (CanceledException e) {
mCanceled = true;
}
catch (IOException e) {
mGotIOException = true;
}
finally {
mWakeLock.release();
}
if (mCanceled) {
mAllVCardFileList = null;
}
mProgressDialogForScanVCard.dismiss();
mProgressDialogForScanVCard = null;
if (mGotIOException) {
runOnUiThread(new DialogDisplayer(R.id.dialog_io_exception));
}
else if (mCanceled) {
finish();
}
else {
int size = mAllVCardFileList.size();
final Context context = ImportVCardActivity.this;
if (size == 0) {
runOnUiThread(new DialogDisplayer(R.id.dialog_vcard_not_found));
}
else {
startVCardSelectAndImport();
}
}
}
private void getVCardFileRecursively(File directory) throws CanceledException, IOException {
if (mCanceled) {
throw new CanceledException();
}
// e.g. secured directory may return null toward listFiles().
final File[] files = directory.listFiles();
if (files == null) {
final String currentDirectoryPath = directory.getCanonicalPath();
final String secureDirectoryPath = mRootDirectory.getCanonicalPath().concat(SECURE_DIRECTORY_NAME);
if (!TextUtils.equals(currentDirectoryPath, secureDirectoryPath)) {
Log.w(LOG_TAG, "listFiles() returned null (directory: " + directory + ")");
}
return;
}
for (File file : directory.listFiles()) {
if (mCanceled) {
throw new CanceledException();
}
String canonicalPath = file.getCanonicalPath();
if (mCheckedPaths.contains(canonicalPath)) {
continue;
}
mCheckedPaths.add(canonicalPath);
if (file.isDirectory()) {
getVCardFileRecursively(file);
}
else if (canonicalPath.toLowerCase().endsWith(".vcf") && file.canRead()) {
String fileName = file.getName();
VCardFile vcardFile = new VCardFile(fileName, canonicalPath, file.lastModified());
mAllVCardFileList.add(vcardFile);
}
}
}
public void onCancel(DialogInterface dialog) {
mCanceled = true;
}
public void onClick(DialogInterface dialog, int which) {
if (which == DialogInterface.BUTTON_NEGATIVE) {
mCanceled = true;
}
}
}
private void startVCardSelectAndImport() {
int size = mAllVCardFileList.size();
if (getResources().getBoolean(R.bool.config_import_all_vcard_from_sdcard_automatically) || size == 1) {
importVCardFromSDCard(mAllVCardFileList);
}
else if (getResources().getBoolean(R.bool.config_allow_users_select_all_vcard_import)) {
runOnUiThread(new DialogDisplayer(R.id.dialog_select_import_type));
}
else {
runOnUiThread(new DialogDisplayer(R.id.dialog_select_one_vcard));
}
}
private void importVCardFromSDCard(final List<VCardFile> selectedVCardFileList) {
final int size = selectedVCardFileList.size();
String[] uriStrings = new String[size];
int i = 0;
for (VCardFile vcardFile : selectedVCardFileList) {
uriStrings[i] = "file://" + vcardFile.getCanonicalPath();
i++;
}
importVCard(uriStrings);
}
private void importVCardFromSDCard(final VCardFile vcardFile) {
importVCard(new Uri[] { Uri.parse("file://" + vcardFile.getCanonicalPath()) });
}
private void importVCard(final Uri uri) {
importVCard(new Uri[] { uri });
}
private void importVCard(final String[] uriStrings) {
final int length = uriStrings.length;
final Uri[] uris = new Uri[length];
for (int i = 0; i < length; i++) {
uris[i] = Uri.parse(uriStrings[i]);
}
importVCard(uris);
}
private void importVCard(final Uri[] uris) {
runOnUiThread(new Runnable() {
@Override
public void run() {
if (!isFinishing()) {
mVCardCacheThread = new VCardCacheThread(uris);
mListener = new NotificationImportExportListener(ImportVCardActivity.this);
showDialog(R.id.dialog_cache_vcard);
}
}
});
}
private Dialog getSelectImportTypeDialog() {
final DialogInterface.OnClickListener listener = new ImportTypeSelectedListener();
final AlertDialog.Builder builder = new AlertDialog.Builder(this).setTitle(R.string.select_vcard_title)
.setPositiveButton(android.R.string.ok, listener).setOnCancelListener(mCancelListener)
.setNegativeButton(android.R.string.cancel, mCancelListener);
final String[] items = new String[ImportTypeSelectedListener.IMPORT_TYPE_SIZE];
items[ImportTypeSelectedListener.IMPORT_ONE] = getString(R.string.import_one_vcard_string);
items[ImportTypeSelectedListener.IMPORT_MULTIPLE] = getString(R.string.import_multiple_vcard_string);
items[ImportTypeSelectedListener.IMPORT_ALL] = getString(R.string.import_all_vcard_string);
builder.setSingleChoiceItems(items, ImportTypeSelectedListener.IMPORT_ONE, listener);
return builder.create();
}
private Dialog getVCardFileSelectDialog(boolean multipleSelect) {
final int size = mAllVCardFileList.size();
final VCardSelectedListener listener = new VCardSelectedListener(multipleSelect);
final AlertDialog.Builder builder = new AlertDialog.Builder(this).setTitle(R.string.select_vcard_title)
.setPositiveButton(android.R.string.ok, listener).setOnCancelListener(mCancelListener)
.setNegativeButton(android.R.string.cancel, mCancelListener);
CharSequence[] items = new CharSequence[size];
DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
for (int i = 0; i < size; i++) {
VCardFile vcardFile = mAllVCardFileList.get(i);
SpannableStringBuilder stringBuilder = new SpannableStringBuilder();
stringBuilder.append(vcardFile.getName());
stringBuilder.append('\n');
int indexToBeSpanned = stringBuilder.length();
// Smaller date text looks better, since each file name becomes easier to read.
// The value set to RelativeSizeSpan is arbitrary. You can change it to any other
// value (but the value bigger than 1.0f would not make nice appearance :)
stringBuilder.append("(" + dateFormat.format(new Date(vcardFile.getLastModified())) + ")");
stringBuilder.setSpan(new RelativeSizeSpan(0.7f), indexToBeSpanned, stringBuilder.length(),
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
items[i] = stringBuilder;
}
if (multipleSelect) {
builder.setMultiChoiceItems(items, (boolean[]) null, listener);
}
else {
builder.setSingleChoiceItems(items, 0, listener);
}
return builder.create();
}
@Override
protected void onCreate(Bundle bundle) {
super.onCreate(bundle);
final Intent intent = getIntent();
if (intent == null) {
Log.e(LOG_TAG, "intent does not exist");
}
startImport();
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
}
private void startImport() {
Intent intent = getIntent();
// Handle inbound files
Uri uri = intent.getData();
if (uri != null) {
Log.i(LOG_TAG, "Starting vCard import using Uri " + uri);
importVCard(uri);
}
else {
Log.i(LOG_TAG, "Start vCard without Uri. The user will select vCard manually.");
doScanExternalStorageAndImportVCard();
}
}
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
@Override
protected Dialog onCreateDialog(int resId, Bundle bundle) {
switch (resId) {
case R.string.import_from_sdcard: {
Log.w(LOG_TAG, "OnCreateDialog: import_from_sdcard should not happen");
}
case R.id.dialog_searching_vcard: {
if (mProgressDialogForScanVCard == null) {
String message = getString(R.string.searching_vcard_message);
mProgressDialogForScanVCard = ProgressDialog.show(this, "", message, true, false);
mProgressDialogForScanVCard.setOnCancelListener(mVCardScanThread);
mVCardScanThread.start();
}
return mProgressDialogForScanVCard;
}
case R.id.dialog_sdcard_not_found: {
AlertDialog.Builder builder = new AlertDialog.Builder(this)
.setMessage(R.string.no_sdcard_message).setOnCancelListener(mCancelListener)
.setPositiveButton(android.R.string.ok, mCancelListener);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB)
builder.setIconAttribute(android.R.attr.alertDialogIcon);
return builder.create();
}
case R.id.dialog_vcard_not_found: {
final String message = getString(R.string.import_failure_no_vcard_file);
AlertDialog.Builder builder = new AlertDialog.Builder(this).setMessage(message).setOnCancelListener(mCancelListener)
.setPositiveButton(android.R.string.ok, mCancelListener);
return builder.create();
}
case R.id.dialog_select_import_type: {
return getSelectImportTypeDialog();
}
case R.id.dialog_select_multiple_vcard: {
return getVCardFileSelectDialog(true);
}
case R.id.dialog_select_one_vcard: {
return getVCardFileSelectDialog(false);
}
case R.id.dialog_cache_vcard: {
if (mProgressDialogForCachingVCard == null) {
final String title = getString(R.string.caching_vcard_title);
final String message = getString(R.string.caching_vcard_message);
mProgressDialogForCachingVCard = new ProgressDialog(this);
mProgressDialogForCachingVCard.setTitle(title);
mProgressDialogForCachingVCard.setMessage(message);
mProgressDialogForCachingVCard.setProgressStyle(ProgressDialog.STYLE_SPINNER);
mProgressDialogForCachingVCard.setOnCancelListener(mVCardCacheThread);
startVCardService();
}
return mProgressDialogForCachingVCard;
}
case R.id.dialog_io_exception: {
String message = (getString(R.string.scanning_sdcard_failed_message, getString(R.string.fail_reason_io_error)));
AlertDialog.Builder builder = new AlertDialog.Builder(this)
.setMessage(message).setOnCancelListener(mCancelListener)
.setPositiveButton(android.R.string.ok, mCancelListener);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB)
builder.setIconAttribute(android.R.attr.alertDialogIcon);
return builder.create();
}
case R.id.dialog_error_with_message: {
String message = mErrorMessage;
if (TextUtils.isEmpty(message)) {
Log.e(LOG_TAG, "Error message is null while it must not.");
message = getString(R.string.fail_reason_unknown);
}
final AlertDialog.Builder builder = new AlertDialog.Builder(this)
.setTitle(getString(R.string.reading_vcard_failed_title))
.setMessage(message).setOnCancelListener(mCancelListener)
.setPositiveButton(android.R.string.ok, mCancelListener);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB)
builder.setIconAttribute(android.R.attr.alertDialogIcon);
return builder.create();
}
}
return super.onCreateDialog(resId, bundle);
}
/* package */void startVCardService() {
mConnection = new ImportRequestConnection();
Log.i(LOG_TAG, "Bind to VCardService.");
// We don't want the service finishes itself just after this connection.
Intent intent = new Intent(this, VCardService.class);
startService(intent);
bindService(new Intent(this, VCardService.class), mConnection, Context.BIND_AUTO_CREATE);
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
if (mProgressDialogForCachingVCard != null) {
Log.i(LOG_TAG, "Cache thread is still running. Show progress dialog again.");
showDialog(R.id.dialog_cache_vcard);
}
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
// This Activity should finish itself on orientation change, and give the main screen back
// to the caller Activity.
finish();
}
/**
* Scans vCard in external storage (typically SDCard) and tries to import it. - When there's no SDCard available, an error
* dialog is shown. - When multiple vCard files are available, asks a user to select one.
*/
private void doScanExternalStorageAndImportVCard() {
// TODO: should use getExternalStorageState().
final File file = Environment.getExternalStorageDirectory();
if (!file.exists() || !file.isDirectory() || !file.canRead()) {
showDialog(R.id.dialog_sdcard_not_found);
}
else {
mVCardScanThread = new VCardScanThread(file);
showDialog(R.id.dialog_searching_vcard);
}
}
/* package */void showFailureNotification(int reasonId) {
final NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
final Notification notification = NotificationImportExportListener.constructImportFailureNotification(
ImportVCardActivity.this, getString(reasonId));
notificationManager.notify(NotificationImportExportListener.FAILURE_NOTIFICATION_TAG, FAILURE_NOTIFICATION_ID,
notification);
mHandler.post(new Runnable() {
@Override
public void run() {
Toast.makeText(ImportVCardActivity.this, getString(R.string.vcard_import_failed), Toast.LENGTH_LONG).show();
}
});
}
}