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/*
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* Copyright 2010-2018 Eric Kok et al.
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*
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* Transdroid is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Transdroid is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Transdroid. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.transdroid.core.gui.search;
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import android.content.Intent;
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/**
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* Used to clean up text as received from a generic ACTION_SEND intent. This class is highly custom-based for known
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* applications, i.e. the EXTRA_TEXT send by some known applications.
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*
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* @author Eric Kok
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*/
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public class SendIntentHelper {
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private static final String SOUNDHOUND1 = "Just used #SoundHound to find ";
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private static final String SOUNDHOUND1_END = " http://";
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private static final String SHAZAM = "I just used Shazam to discover ";
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private static final String SHAZAM_END = ". http://";
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private static final String YOUTUBE_ID = "Watch \"";
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private static final String YOUTUBE_START = "\"";
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private static final String YOUTUBE_END = "\"";
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/**
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* Cleans a SEND intent text string by removing irrelevant parts, so that the remaining text can be used as search
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* string. Typically deals with specific known applications such as Shazam and YouTube's SEND intents.
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*
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* @param intent The original SEND intent that was received
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* @return A cleaned string to be used as search query
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*/
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public static String cleanUpText(Intent intent) {
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if (intent == null || !intent.hasExtra(Intent.EXTRA_TEXT)) {
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return null;
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}
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String text = intent.getStringExtra(Intent.EXTRA_TEXT);
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try {
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// Soundhound song/artist share
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if (text.startsWith(SOUNDHOUND1)) {
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return cutOut(text, SOUNDHOUND1, SOUNDHOUND1_END).replace(" by ", " ");
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}
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// Shazam song share
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if (text.startsWith(SHAZAM)) {
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return cutOut(text, SHAZAM, SHAZAM_END).replace(" by ", " ");
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}
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// YouTube app share (stores title in EXTRA_SUBJECT)
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if (intent.hasExtra(Intent.EXTRA_SUBJECT)) {
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String subject = intent.getStringExtra(Intent.EXTRA_SUBJECT);
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if (subject.startsWith(YOUTUBE_ID)) {
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return cutOut(subject, YOUTUBE_START, YOUTUBE_END);
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}
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}
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} catch (Exception e) {
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// Ignore any errors in parsing; just return the raw text
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}
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return text;
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}
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private static String cutOut(String text, String start, String end) {
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int startAt = text.indexOf(start) + start.length();
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return text.substring(startAt, text.indexOf(end, startAt));
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}
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}
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