| /* |
| * 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.android.websearch; |
| |
| import android.app.Activity; |
| import android.app.SearchManager; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.provider.Browser; |
| import android.util.Log; |
| |
| /** |
| * WebSearchProvider is a package that exposes a set of different web search providers for the |
| * user to choose between which differ per locale. For those web search providers that have |
| * support for search suggestions as the user types, this package also exposes those suggestions. |
| * This package does not expose Google as a web search provider; that is done by the GoogleSearch |
| * and EnhancedGoogleSearchProvider packages. |
| * |
| * This class routes the web search intent action on web suggestion results to the browser and opens |
| * up the appropriate search engine results page. |
| */ |
| public class WebSearch extends Activity { |
| public static final String LOG_TAG = "WebSearch"; |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| Intent intent = getIntent(); |
| if (intent == null) { |
| finish(); |
| return; |
| } |
| |
| String action = intent.getAction(); |
| if (Intent.ACTION_WEB_SEARCH.equals(action) || Intent.ACTION_SEARCH.equals(action)) { |
| SearchEngineInfo engine = getSearchEngine(this, intent.getComponent()); |
| if (engine != null) { |
| // The browser can pass along an application id which it uses to figure out which |
| // window to place a new search into. So if this exists, we'll pass it back to |
| // the browser. Otherwise, add our own package name as the application id, so that |
| // the browser can organize all searches launched from this provider together. |
| String applicationId = intent.getStringExtra(Browser.EXTRA_APPLICATION_ID); |
| if (applicationId == null) { |
| applicationId = getPackageName(); |
| } |
| |
| // Format the URI to launch and open it in the browser. |
| String query = intent.getStringExtra(SearchManager.QUERY); |
| String launchUri = engine.getSearchUriForQuery(query); |
| if (launchUri == null) { |
| Log.e(LOG_TAG, "Unable to get search URI for engine " |
| + intent.getComponent()); |
| } else { |
| intent = new Intent(Intent.ACTION_VIEW, Uri.parse(launchUri)); |
| intent.putExtra(Browser.EXTRA_APPLICATION_ID, applicationId); |
| startActivity(intent); |
| } |
| } |
| } else if (SearchManager.INTENT_ACTION_WEB_SEARCH_SETTINGS.equals(action)) { |
| Intent settingsIntent = new Intent(SearchManager.INTENT_ACTION_WEB_SEARCH_SETTINGS); |
| settingsIntent.setClass(this, Settings.class); |
| ComponentName component = intent.getComponent(); |
| settingsIntent.setData(componentNameToUri(component)); |
| startActivity(settingsIntent); |
| } |
| finish(); |
| } |
| |
| public static SearchEngineInfo getSearchEngine(Context context, ComponentName component) { |
| if (component == null) return null; |
| String[] parts = component.getClassName().split("\\."); |
| String engine_index = parts[parts.length - 1]; |
| try { |
| return new SearchEngineInfo(context, engine_index); |
| } catch (IllegalArgumentException exception) { |
| Log.e(LOG_TAG, "Cannot load search engine index " + engine_index, exception); |
| return null; |
| } |
| } |
| |
| // TODO: Maybe this should live in ComponentName? |
| public static Uri componentNameToUri(ComponentName component) { |
| if (component == null) return null; |
| return new Uri.Builder() |
| .scheme("package") |
| .authority(component.getPackageName()) |
| .path(component.getClassName()) |
| .query("") |
| .fragment("") |
| .build(); |
| } |
| |
| // TODO: Maybe this should live in ComponentName? |
| public static ComponentName componentNameFromUri(Uri activityUri) { |
| if (activityUri == null) return null; |
| String packageName = activityUri.getAuthority(); |
| String className = activityUri.getLastPathSegment(); |
| if (packageName == null || className == null) return null; |
| return new ComponentName(packageName, className); |
| } |
| |
| |
| } |