SearchWidgetProvider.java revision 2617a0177a6088d5aaf381263229bf5a62d2238d 
1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.quicksearchbox;
18
19import com.android.quicksearchbox.ui.SearchSourceSelector;
20import com.android.quicksearchbox.ui.SuggestionViewFactory;
21
22import android.app.PendingIntent;
23import android.app.SearchManager;
24import android.appwidget.AppWidgetManager;
25import android.appwidget.AppWidgetProvider;
26import android.content.ComponentName;
27import android.content.Context;
28import android.content.Intent;
29import android.net.Uri;
30import android.os.Bundle;
31import android.speech.RecognizerIntent;
32import android.util.Log;
33import android.view.View;
34import android.widget.RemoteViews;
35
36/**
37 * Search widget provider.
38 *
39 */
40public class SearchWidgetProvider extends AppWidgetProvider {
41
42    private static final boolean DBG = true;
43    private static final String TAG = "QSB.SearchWidgetProvider";
44
45    private static final String WIDGET_SEARCH_SOURCE = "launcher-search";
46
47    // TODO: Expose SearchManager.SOURCE instead.
48    private static final String SOURCE = "source";
49
50    @Override
51    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
52        final int count = appWidgetIds.length;
53        for (int i = 0; i < count; i++) {
54            updateSearchWidget(context, appWidgetManager, appWidgetIds[i]);
55        }
56    }
57
58    private void updateSearchWidget(Context context, AppWidgetManager appWidgetManager,
59            int appWidgetId) {
60        ComponentName sourceName =
61                SearchWidgetConfigActivity.readWidgetSourcePref(context, appWidgetId);
62        Source source = getSources(context).getSourceByComponentName(sourceName);
63        setupSearchWidget(context, appWidgetManager, appWidgetId, source);
64    }
65
66    public static void setupSearchWidget(Context context, AppWidgetManager appWidgetManager,
67            int appWidgetId, Source source) {
68        if (DBG) Log.d(TAG, "setupSearchWidget()");
69        RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.search_widget);
70
71        ComponentName sourceName = source == null ? null : source.getComponentName();
72
73        Bundle widgetAppData = new Bundle();
74        widgetAppData.putString(SOURCE, WIDGET_SEARCH_SOURCE);
75
76        // Source selector
77        bindSourceSelector(context, views, widgetAppData, source);
78
79        // Text field
80        Intent qsbIntent = new Intent(SearchManager.INTENT_ACTION_GLOBAL_SEARCH);
81        qsbIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
82                | Intent.FLAG_ACTIVITY_CLEAR_TOP
83                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
84        qsbIntent.putExtra(SearchManager.APP_DATA, widgetAppData);
85        SearchSourceSelector.setSource(qsbIntent, sourceName);
86        setOnClickIntent(context, views, R.id.search_widget_text, qsbIntent);
87
88        // Voice search button. Only shown if voice search is available.
89        // TODO: This should be Voice Search for the selected source,
90        // and only show if available for that source
91        Intent voiceSearchIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
92        voiceSearchIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
93                | Intent.FLAG_ACTIVITY_CLEAR_TOP
94                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
95        voiceSearchIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
96                RecognizerIntent.LANGUAGE_MODEL_WEB_SEARCH);
97        // TODO: Does VoiceSearch actually look at APP_DATA?
98        voiceSearchIntent.putExtra(SearchManager.APP_DATA, widgetAppData);
99        if (voiceSearchIntent.resolveActivity(context.getPackageManager()) != null) {
100            setOnClickIntent(context, views, R.id.search_widget_voice_btn, voiceSearchIntent);
101            views.setViewVisibility(R.id.search_widget_voice_btn, View.VISIBLE);
102        } else {
103            views.setViewVisibility(R.id.search_widget_voice_btn, View.GONE);
104        }
105
106        appWidgetManager.updateAppWidget(appWidgetId, views);
107    }
108
109    private static void bindSourceSelector(Context context, RemoteViews views,
110            Bundle widgetAppData, Source source) {
111        Uri sourceIconUri = getSourceIconUri(context, source);
112        views.setImageViewUri(SearchSourceSelector.ICON_VIEW_ID, sourceIconUri);
113        ComponentName sourceName = source == null ? null : source.getComponentName();
114
115        Intent intent = new Intent(SearchActivity.INTENT_ACTION_QSB_AND_SELECT_SEARCH_SOURCE);
116        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
117                | Intent.FLAG_ACTIVITY_CLEAR_TOP
118                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
119        intent.putExtra(SearchManager.APP_DATA, widgetAppData);
120        SearchSourceSelector.setSource(intent, sourceName);
121        setOnClickIntent(context, views, SearchSourceSelector.ICON_VIEW_ID, intent);
122    }
123
124    private static void setOnClickIntent(Context context, RemoteViews views,
125            int viewId, Intent intent) {
126        PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, 0);
127        views.setOnClickPendingIntent(viewId, pendingIntent);
128    }
129
130    private static Uri getSourceIconUri(Context context, Source source) {
131        if (source == null) {
132            return getSuggestionViewFactory(context).getGlobalSearchIconUri();
133        }
134        return source.getSourceIconUri();
135    }
136
137    private static QsbApplication getQsbApplication(Context context) {
138        return (QsbApplication) context.getApplicationContext();
139    }
140
141    private static SourceLookup getSources(Context context) {
142        return getQsbApplication(context).getSources();
143    }
144
145    private static SuggestionViewFactory getSuggestionViewFactory(Context context) {
146        return getQsbApplication(context).getSuggestionViewFactory();
147    }
148
149}
150