SearchWidgetProvider.java revision cc10dcf07c4e787abd66f4e2cfed31a09580a3b0 
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.CorpusViewFactory;
20
21import android.app.PendingIntent;
22import android.app.SearchManager;
23import android.appwidget.AppWidgetManager;
24import android.appwidget.AppWidgetProvider;
25import android.content.Context;
26import android.content.Intent;
27import android.net.Uri;
28import android.os.Bundle;
29import android.util.Log;
30import android.view.View;
31import android.widget.RemoteViews;
32
33/**
34 * Search widget provider.
35 *
36 */
37public class SearchWidgetProvider extends AppWidgetProvider {
38
39    private static final boolean DBG = true;
40    private static final String TAG = "QSB.SearchWidgetProvider";
41
42    private static final String WIDGET_SEARCH_SOURCE = "launcher-search";
43
44    // TODO: Expose SearchManager.SOURCE instead.
45    private static final String SOURCE = "source";
46
47    @Override
48    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
49        final int count = appWidgetIds.length;
50        for (int i = 0; i < count; i++) {
51            updateSearchWidget(context, appWidgetManager, appWidgetIds[i]);
52        }
53    }
54
55    private void updateSearchWidget(Context context, AppWidgetManager appWidgetManager,
56            int appWidgetId) {
57        String corpusName = SearchWidgetConfigActivity.readWidgetCorpusPref(context, appWidgetId);
58        Corpus corpus = getCorpora(context).getCorpus(corpusName);
59        setupSearchWidget(context, appWidgetManager, appWidgetId, corpus);
60    }
61
62    public static void setupSearchWidget(Context context, AppWidgetManager appWidgetManager,
63            int appWidgetId, Corpus corpus) {
64        if (DBG) Log.d(TAG, "setupSearchWidget()");
65        RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.search_widget);
66
67        Bundle widgetAppData = new Bundle();
68        widgetAppData.putString(SOURCE, WIDGET_SEARCH_SOURCE);
69
70        // Corpus indicator
71        bindCorpusIndicator(context, views, widgetAppData, corpus);
72
73        // Hint
74        CharSequence hint;
75        int backgroundId;
76        if (corpus == null || corpus.isWebCorpus()) {
77            hint = null;
78            backgroundId = R.drawable.textfield_search_empty_google;
79        } else {
80            hint = corpus.getHint();
81            backgroundId = R.drawable.textfield_search_empty;
82        }
83        views.setCharSequence(R.id.search_widget_text, "setHint", hint);
84        views.setInt(R.id.search_widget_text, "setBackgroundResource", backgroundId);
85
86        // Text field click
87        Intent qsbIntent = new Intent(SearchManager.INTENT_ACTION_GLOBAL_SEARCH);
88        qsbIntent.setPackage(context.getPackageName());
89        qsbIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
90                | Intent.FLAG_ACTIVITY_CLEAR_TOP
91                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
92        qsbIntent.putExtra(SearchManager.APP_DATA, widgetAppData);
93        qsbIntent.setData(SearchActivity.getCorpusUri(corpus));
94        setOnClickIntent(context, views, R.id.search_widget_text, qsbIntent);
95
96        Launcher launcher = new Launcher(context);
97        Corpus voiceSearchCorpus = launcher.getSearchCorpus(getCorpora(context), corpus);
98        if (voiceSearchCorpus != null && launcher.shouldShowVoiceSearch(voiceSearchCorpus)) {
99            Intent voiceSearchIntent = voiceSearchCorpus.createVoiceSearchIntent(widgetAppData);
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 bindCorpusIndicator(Context context, RemoteViews views,
110            Bundle widgetAppData, Corpus corpus) {
111        Uri sourceIconUri = getCorpusIconUri(context, corpus);
112        views.setImageViewUri(R.id.corpus_indicator, sourceIconUri);
113
114        Intent intent = new Intent(SearchActivity.INTENT_ACTION_QSB_AND_SELECT_CORPUS);
115        intent.setPackage(context.getPackageName());
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        intent.setData(SearchActivity.getCorpusUri(corpus));
121        setOnClickIntent(context, views, R.id.corpus_indicator, 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 getCorpusIconUri(Context context, Corpus corpus) {
131        if (corpus == null) {
132            return getCorpusViewFactory(context).getGlobalSearchIconUri();
133        }
134        return corpus.getCorpusIconUri();
135    }
136
137    private static QsbApplication getQsbApplication(Context context) {
138        return (QsbApplication) context.getApplicationContext();
139    }
140
141    private static Corpora getCorpora(Context context) {
142        return getQsbApplication(context).getCorpora();
143    }
144
145    private static CorpusViewFactory getCorpusViewFactory(Context context) {
146        return getQsbApplication(context).getCorpusViewFactory();
147    }
148
149}
150