mirror of https://github.com/moparisthebest/k-9
106 lines
4.6 KiB
Java
106 lines
4.6 KiB
Java
package com.fsck.k9.helper;
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import android.content.Context;
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import android.database.Cursor;
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import android.net.Uri;
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import android.provider.ContactsContract.Data;
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import android.provider.ContactsContract.CommonDataKinds.Email;
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import android.provider.ContactsContract.CommonDataKinds.StructuredName;
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/**
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* Access the contacts on the device using the API introduced with SDK 5.
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* Use some additional code to make search work with phonetic names.
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*
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* Android versions >= 2.2 (Froyo) support searching for phonetic names
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* out of the box (see {@link ContactsSdk5}).
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*
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* @see android.provider.ContactsContract
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*/
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public class ContactsSdk5p extends ContactsSdk5 {
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public ContactsSdk5p(final Context context) {
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super(context);
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}
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@Override
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public Cursor searchContacts(final CharSequence constraint) {
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if (constraint == null) {
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return null;
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}
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// Lookup using Email.CONTENT_FILTER_URI to get matching contact ids.
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// This does all sorts of magic we don't want to replicate.
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final String filter = constraint.toString();
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final Uri uri = Uri.withAppendedPath(Email.CONTENT_FILTER_URI, Uri.encode(filter));
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final Cursor cursor = mContentResolver.query(
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uri,
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new String[] {Email.CONTACT_ID},
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null,
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null,
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null);
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final StringBuilder matches = new StringBuilder();
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if ((cursor != null) && (cursor.getCount() > 0)) {
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boolean first = true;
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while (cursor.moveToNext()) {
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if (first) {
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first = false;
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} else {
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matches.append(",");
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}
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matches.append(cursor.getLong(0));
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}
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cursor.close();
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}
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// Find contacts with email addresses that have been found using
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// Email.CONTENT_FILTER_URI above or ones that have a matching phonetic name.
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final String where = Data.MIMETYPE + " = '" + Email.CONTENT_ITEM_TYPE + "'" +
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" AND " +
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"(" +
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// Match if found by Email.CONTENT_FILTER_URI
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Email.CONTACT_ID + " IN (" + matches.toString() + ")" +
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" OR " +
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// Match if phonetic given name starts with "constraint"
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StructuredName.PHONETIC_GIVEN_NAME + " LIKE ?" +
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" OR " +
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// Match if phonetic given name contains a word that starts with "constraint"
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StructuredName.PHONETIC_GIVEN_NAME + " LIKE ?" +
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" OR " +
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// Match if phonetic middle name starts with "constraint"
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StructuredName.PHONETIC_MIDDLE_NAME + " LIKE ?" +
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" OR " +
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// Match if phonetic middle name contains a word that starts with "constraint"
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StructuredName.PHONETIC_MIDDLE_NAME + " LIKE ?" +
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" OR " +
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// Match if phonetic family name starts with "constraint"
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StructuredName.PHONETIC_FAMILY_NAME + " LIKE ?" +
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" OR " +
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// Match if phonetic family name contains a word that starts with "constraint"
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StructuredName.PHONETIC_FAMILY_NAME + " LIKE ?" +
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")";
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final String filter1 = constraint.toString() + "%";
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final String filter2 = "% " + filter1;
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final String[] args = new String[] {filter1, filter2, filter1, filter2, filter1, filter2};
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final Cursor c = mContentResolver.query(
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Email.CONTENT_URI,
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PROJECTION,
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where,
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args,
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SORT_ORDER);
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if (c != null) {
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/*
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* To prevent expensive execution in the UI thread:
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* Cursors get lazily executed, so if you don't call anything on
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* the cursor before returning it from the background thread you'll
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* have a complied program for the cursor, but it won't have been
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* executed to generate the data yet. Often the execution is more
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* expensive than the compilation...
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*/
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c.getCount();
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}
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return c;
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}
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}
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