/*
* Copyright (C) 2008 ZXing authors
*
* 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.google.zxing.client.android.result;
import com.google.zxing.Result;
import com.google.zxing.client.android.Contents;
import com.google.zxing.client.android.LocaleManager;
import edu.mit.mitmobile2.R;
import com.google.zxing.client.result.ParsedResult;
import com.google.zxing.client.result.ParsedResultType;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.ActivityNotFoundException;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.provider.Contacts;
import java.text.DateFormat;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
/**
* A base class for the Android-specific barcode handlers. These allow the app to polymorphically
* suggest the appropriate actions for each data type.
*
* This class also contains a bunch of utility methods to take common actions like opening a URL.
* They could easily be moved into a helper object, but it can't be static because the Activity
* instance is needed to launch an intent.
*
* @author dswitkin@google.com (Daniel Switkin)
*/
@SuppressWarnings("deprecation")
public abstract class ResultHandler {
private static final DateFormat DATE_FORMAT = new SimpleDateFormat("yyyyMMdd");
private static final DateFormat DATE_TIME_FORMAT = new SimpleDateFormat("yyyyMMdd'T'HHmmss");
private static final String GOOGLE_SHOPPER_PACKAGE = "com.google.android.apps.shopper";
@SuppressWarnings("unused")
private static final String GOOGLE_SHOPPER_ACTIVITY = GOOGLE_SHOPPER_PACKAGE +
".results.SearchResultsActivity";
private static final String MARKET_URI_PREFIX = "market://search?q=pname:";
private static final String MARKET_REFERRER_SUFFIX =
"&referrer=utm_source%3Dbarcodescanner%26utm_medium%3Dapps%26utm_campaign%3Dscan";
public static final int MAX_BUTTON_COUNT = 4;
private final ParsedResult result;
private final Activity activity;
private final Result rawResult;
private final String customProductSearch;
@SuppressWarnings("unused")
private final DialogInterface.OnClickListener shopperMarketListener =
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int which) {
launchIntent(new Intent(Intent.ACTION_VIEW, Uri.parse(MARKET_URI_PREFIX +
GOOGLE_SHOPPER_PACKAGE + MARKET_REFERRER_SUFFIX)));
}
};
ResultHandler(Activity activity, ParsedResult result) {
this(activity, result, null);
}
ResultHandler(Activity activity, ParsedResult result, Result rawResult) {
this.result = result;
this.activity = activity;
this.rawResult = rawResult;
this.customProductSearch = "";
/*
// Make sure the Shopper button is hidden by default. Without this, scanning a product followed
// by a QR Code would leave the button on screen among the QR Code actions.
View shopperButton = activity.findViewById(R.id.shopper_button);
shopperButton.setVisibility(View.GONE);*/
}
ParsedResult getResult() {
return result;
}
boolean hasCustomProductSearch() {
return customProductSearch != null;
}
/**
* Indicates how many buttons the derived class wants shown.
*
* @return The integer button count.
*/
public abstract int getButtonCount();
/**
* The text of the nth action button.
*
* @param index From 0 to getButtonCount() - 1
* @return The button text as a resource ID
*/
public abstract int getButtonText(int index);
/**
* Execute the action which corresponds to the nth button.
*
* @param index The button that was clicked.
*/
public abstract void handleButtonPress(int index);
/**
* The Google Shopper button is special and is not handled by the abstract button methods above.
*
* @param listener The on click listener to install for this button.
*/
/*
protected void showGoogleShopperButton(View.OnClickListener listener) {
View shopperButton = activity.findViewById(R.id.shopper_button);
shopperButton.setVisibility(View.VISIBLE);
shopperButton.setOnClickListener(listener);
}
*/
/**
* Create a possibly styled string for the contents of the current barcode.
*
* @return The text to be displayed.
*/
public CharSequence getDisplayContents() {
String contents = result.getDisplayResult();
return contents.replace("\r", "");
}
/**
* A string describing the kind of barcode that was found, e.g. "Found contact info".
*
* @return The resource ID of the string.
*/
public abstract int getDisplayTitle();
/**
* A convenience method to get the parsed type. Should not be overridden.
*
* @return The parsed type, e.g. URI or ISBN
*/
public final ParsedResultType getType() {
return result.getType();
}
/**
* Sends an intent to create a new calendar event by prepopulating the Add Event UI. Older
* versions of the system have a bug where the event title will not be filled out.
*
* @param summary A description of the event
* @param start The start time as yyyyMMdd or yyyyMMdd'T'HHmmss or yyyyMMdd'T'HHmmss'Z'
* @param end The end time as yyyyMMdd or yyyyMMdd'T'HHmmss or yyyyMMdd'T'HHmmss'Z'
* @param location a text description of the event location
* @param description a text description of the event itself
*/
final void addCalendarEvent(String summary,
String start,
String end,
String location,
String description) {
Intent intent = new Intent(Intent.ACTION_EDIT);
intent.setType("vnd.android.cursor.item/event");
intent.putExtra("beginTime", calculateMilliseconds(start));
if (start.length() == 8) {
intent.putExtra("allDay", true);
}
if (end == null) {
end = start;
}
intent.putExtra("endTime", calculateMilliseconds(end));
intent.putExtra("title", summary);
intent.putExtra("eventLocation", location);
intent.putExtra("description", description);
launchIntent(intent);
}
private static long calculateMilliseconds(String when) {
if (when.length() == 8) {
// Only contains year/month/day
Date date;
synchronized (DATE_FORMAT) {
date = DATE_FORMAT.parse(when, new ParsePosition(0));
}
return date.getTime();
} else {
// The when string can be local time, or UTC if it ends with a Z
Date date;
synchronized (DATE_TIME_FORMAT) {
date = DATE_TIME_FORMAT.parse(when.substring(0, 15), new ParsePosition(0));
}
long milliseconds = date.getTime();
if (when.length() == 16 && when.charAt(15) == 'Z') {
Calendar calendar = new GregorianCalendar();
int offset = calendar.get(Calendar.ZONE_OFFSET) + calendar.get(Calendar.DST_OFFSET);
milliseconds += offset;
}
return milliseconds;
}
}
final void addContact(String[] names, String[] phoneNumbers, String[] emails, String note,
String address, String org, String title) {
// Only use the first name in the array, if present.
Intent intent = new Intent(Contacts.Intents.Insert.ACTION, Contacts.People.CONTENT_URI);
putExtra(intent, Contacts.Intents.Insert.NAME, names != null ? names[0] : null);
int phoneCount = Math.min((phoneNumbers != null) ? phoneNumbers.length : 0,
Contents.PHONE_KEYS.length);
for (int x = 0; x < phoneCount; x++) {
putExtra(intent, Contents.PHONE_KEYS[x], phoneNumbers[x]);
}
int emailCount = Math.min((emails != null) ? emails.length : 0, Contents.EMAIL_KEYS.length);
for (int x = 0; x < emailCount; x++) {
putExtra(intent, Contents.EMAIL_KEYS[x], emails[x]);
}
putExtra(intent, Contacts.Intents.Insert.NOTES, note);
putExtra(intent, Contacts.Intents.Insert.POSTAL, address);
putExtra(intent, Contacts.Intents.Insert.COMPANY, org);
putExtra(intent, Contacts.Intents.Insert.JOB_TITLE, title);
launchIntent(intent);
}
final void shareByEmail(String contents) {
sendEmailFromUri("mailto:", null, activity.getString(R.string.msg_share_subject_line), contents);
}
final void sendEmail(String address, String subject, String body) {
sendEmailFromUri("mailto:" + address, address, subject, body);
}
// Use public Intent fields rather than private GMail app fields to specify subject and body.
final void sendEmailFromUri(String uri, String email, String subject, String body) {
Intent intent = new Intent(Intent.ACTION_SEND, Uri.parse(uri));
if (email != null) {
intent.putExtra(Intent.EXTRA_EMAIL, new String[] {email});
}
putExtra(intent, Intent.EXTRA_SUBJECT, subject);
putExtra(intent, Intent.EXTRA_TEXT, body);
intent.setType("text/plain");
launchIntent(intent);
}
final void shareBySMS(String contents) {
sendSMSFromUri("smsto:", activity.getString(R.string.msg_share_subject_line) + ":\n" +
contents);
}
final void sendSMS(String phoneNumber, String body) {
sendSMSFromUri("smsto:" + phoneNumber, body);
}
final void sendSMSFromUri(String uri, String body) {
Intent intent = new Intent(Intent.ACTION_SENDTO, Uri.parse(uri));
putExtra(intent, "sms_body", body);
// Exit the app once the SMS is sent
intent.putExtra("compose_mode", true);
launchIntent(intent);
}
final void sendMMS(String phoneNumber, String subject, String body) {
sendMMSFromUri("mmsto:" + phoneNumber, subject, body);
}
final void sendMMSFromUri(String uri, String subject, String body) {
Intent intent = new Intent(Intent.ACTION_SENDTO, Uri.parse(uri));
// The Messaging app needs to see a valid subject or else it will treat this an an SMS.
if (subject == null || subject.length() == 0) {
putExtra(intent, "subject", activity.getString(R.string.msg_default_mms_subject));
} else {
putExtra(intent, "subject", subject);
}
putExtra(intent, "sms_body", body);
intent.putExtra("compose_mode", true);
launchIntent(intent);
}
final void dialPhone(String phoneNumber) {
launchIntent(new Intent(Intent.ACTION_DIAL, Uri.parse("tel:" + phoneNumber)));
}
final void dialPhoneFromUri(String uri) {
launchIntent(new Intent(Intent.ACTION_DIAL, Uri.parse(uri)));
}
final void openMap(String geoURI) {
launchIntent(new Intent(Intent.ACTION_VIEW, Uri.parse(geoURI)));
}
/**
* Do a geo search using the address as the query.
*
* @param address The address to find
* @param title An optional title, e.g. the name of the business at this address
*/
final void searchMap(String address, String title) {
String query = address;
if (title != null && title.length() > 0) {
query = query + " (" + title + ')';
}
launchIntent(new Intent(Intent.ACTION_VIEW, Uri.parse("geo:0,0?q=" + Uri.encode(query))));
}
final void getDirections(double latitude, double longitude) {
launchIntent(new Intent(Intent.ACTION_VIEW, Uri.parse("http://maps.google." +
LocaleManager.getCountryTLD() + "/maps?f=d&daddr=" + latitude + ',' + longitude)));
}
// Uses the mobile-specific version of Product Search, which is formatted for small screens.
final void openProductSearch(String upc) {
Uri uri = Uri.parse("http://www.google." + LocaleManager.getProductSearchCountryTLD() +
"/m/products?q=" + upc + "&source=zxing");
launchIntent(new Intent(Intent.ACTION_VIEW, uri));
}
final void openURL(String url) {
launchIntent(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
}
final void webSearch(String query) {
Intent intent = new Intent(Intent.ACTION_WEB_SEARCH);
intent.putExtra("query", query);
launchIntent(intent);
}
void launchIntent(Intent intent) {
if (intent != null) {
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
try {
activity.startActivity(intent);
} catch (ActivityNotFoundException e) {
AlertDialog.Builder builder = new AlertDialog.Builder(activity);
builder.setTitle(R.string.app_name);
builder.setMessage(R.string.msg_intent_failed);
builder.setPositiveButton(R.string.button_ok, null);
builder.show();
}
}
}
private static void putExtra(Intent intent, String key, String value) {
if (value != null && value.length() > 0) {
intent.putExtra(key, value);
}
}
String fillInCustomSearchURL(String text) {
String url = customProductSearch.replace("%s", text);
if (rawResult != null) {
url = url.replace("%f", rawResult.getBarcodeFormat().toString());
}
return url;
}
}