blob: 61fc77b26fbb90637419e21ed7be3f27e9514eeb [file] [log] [blame]
/*
* Copyright (C) 2008 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.quicksearchbox.google;
import com.android.quicksearchbox.CursorBackedSourceResult;
import com.android.quicksearchbox.QsbApplication;
import com.android.quicksearchbox.Source;
import com.android.quicksearchbox.SourceResult;
import com.android.quicksearchbox.SuggestionCursorBackedCursor;
import android.app.SearchManager;
import android.content.ContentProvider;
import android.content.ContentValues;
import android.content.Context;
import android.content.UriMatcher;
import android.database.Cursor;
import android.net.Uri;
import android.util.Log;
/**
* A suggestion provider which provides content from Genie, a service that offers
* a superset of the content provided by Google Suggest.
*/
public class GoogleSuggestionProvider extends ContentProvider {
private static final boolean DBG = false;
private static final String TAG = "QSB.GoogleSuggestionProvider";
// UriMatcher constants
private static final int SEARCH_SUGGEST = 0;
private static final int SEARCH_SHORTCUT = 1;
private UriMatcher mUriMatcher;
private GoogleSource mSource;
@Override
public boolean onCreate() {
mSource = QsbApplication.get(getContext()).getGoogleSource();
mUriMatcher = buildUriMatcher(getContext());
return true;
}
/**
* This will always return {@link SearchManager#SUGGEST_MIME_TYPE} as this
* provider is purely to provide suggestions.
*/
@Override
public String getType(Uri uri) {
return SearchManager.SUGGEST_MIME_TYPE;
}
private SourceResult emptyIfNull(SourceResult result, Source source, String query) {
return result == null ? new CursorBackedSourceResult(source, query) : result;
}
@Override
public Cursor query(Uri uri, String[] projection, String selection,
String[] selectionArgs, String sortOrder) {
if (DBG) Log.d(TAG, "query uri=" + uri);
int match = mUriMatcher.match(uri);
if (match == SEARCH_SUGGEST) {
String query = getQuery(uri);
return new SuggestionCursorBackedCursor(
emptyIfNull(mSource.queryExternal(query), mSource, query));
} else if (match == SEARCH_SHORTCUT) {
String shortcutId = getQuery(uri);
String extraData =
uri.getQueryParameter(SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA);
return new SuggestionCursorBackedCursor(mSource.refreshShortcut(shortcutId, extraData));
} else {
throw new IllegalArgumentException("Unknown URI " + uri);
}
}
/**
* Gets the search text from a uri.
*/
private String getQuery(Uri uri) {
if (uri.getPathSegments().size() > 1) {
return uri.getLastPathSegment();
} else {
return "";
}
}
@Override
public Uri insert(Uri uri, ContentValues values) {
throw new UnsupportedOperationException();
}
@Override
public int update(Uri uri, ContentValues values, String selection,
String[] selectionArgs) {
throw new UnsupportedOperationException();
}
@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
throw new UnsupportedOperationException();
}
private UriMatcher buildUriMatcher(Context context) {
String authority = getAuthority(context);
UriMatcher matcher = new UriMatcher(UriMatcher.NO_MATCH);
matcher.addURI(authority, SearchManager.SUGGEST_URI_PATH_QUERY,
SEARCH_SUGGEST);
matcher.addURI(authority, SearchManager.SUGGEST_URI_PATH_QUERY + "/*",
SEARCH_SUGGEST);
matcher.addURI(authority, SearchManager.SUGGEST_URI_PATH_SHORTCUT,
SEARCH_SHORTCUT);
matcher.addURI(authority, SearchManager.SUGGEST_URI_PATH_SHORTCUT + "/*",
SEARCH_SHORTCUT);
return matcher;
}
protected String getAuthority(Context context) {
return context.getPackageName() + ".google";
}
}