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.common.Search;
20import com.android.common.speech.Recognition;
21import com.android.quicksearchbox.util.Util;
22
23import android.app.Activity;
24import android.app.AlarmManager;
25import android.app.PendingIntent;
26import android.app.SearchManager;
27import android.appwidget.AppWidgetManager;
28import android.content.BroadcastReceiver;
29import android.content.ComponentName;
30import android.content.Context;
31import android.content.Intent;
32import android.graphics.Typeface;
33import android.net.Uri;
34import android.os.Bundle;
35import android.os.SystemClock;
36import android.speech.RecognizerIntent;
37import android.text.Annotation;
38import android.text.SpannableStringBuilder;
39import android.text.TextUtils;
40import android.text.style.StyleSpan;
41import android.util.Log;
42import android.view.View;
43import android.widget.RemoteViews;
44
45import java.util.ArrayList;
46import java.util.Random;
47
48/**
49 * Search widget provider.
50 *
51 */
52public class SearchWidgetProvider extends BroadcastReceiver {
53
54    private static final boolean DBG = false;
55    private static final String TAG = "QSB.SearchWidgetProvider";
56
57    /**
58     * The {@link Search#SOURCE} value used when starting searches from the search widget.
59     */
60    private static final String WIDGET_SEARCH_SOURCE = "launcher-widget";
61
62    @Override
63    public void onReceive(Context context, Intent intent) {
64        if (DBG) Log.d(TAG, "onReceive(" + intent.toUri(0) + ")");
65        String action = intent.getAction();
66        if (AppWidgetManager.ACTION_APPWIDGET_ENABLED.equals(action)) {
67            // nothing needs doing
68        } else if (AppWidgetManager.ACTION_APPWIDGET_UPDATE.equals(action)) {
69            updateSearchWidgets(context);
70        } else {
71            if (DBG) Log.d(TAG, "Unhandled intent action=" + action);
72        }
73    }
74
75    private static SearchWidgetState[] getSearchWidgetStates(Context context) {
76        AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
77        int[] appWidgetIds = appWidgetManager.getAppWidgetIds(myComponentName(context));
78        SearchWidgetState[] states = new SearchWidgetState[appWidgetIds.length];
79        for (int i = 0; i<appWidgetIds.length; ++i) {
80            states[i] = getSearchWidgetState(context, appWidgetIds[i]);
81        }
82        return states;
83    }
84
85
86    /**
87     * Updates all search widgets.
88     */
89    public static void updateSearchWidgets(Context context) {
90        if (DBG) Log.d(TAG, "updateSearchWidgets");
91        SearchWidgetState[] states = getSearchWidgetStates(context);
92
93        for (SearchWidgetState state : states) {
94            state.updateWidget(context, AppWidgetManager.getInstance(context));
95        }
96    }
97
98    /**
99     * Gets the component name of this search widget provider.
100     */
101    private static ComponentName myComponentName(Context context) {
102        String pkg = context.getPackageName();
103        String cls = pkg + ".SearchWidgetProvider";
104        return new ComponentName(pkg, cls);
105    }
106
107    private static Intent createQsbActivityIntent(Context context, String action,
108            Bundle widgetAppData) {
109        Intent qsbIntent = new Intent(action);
110        qsbIntent.setPackage(context.getPackageName());
111        qsbIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
112                | Intent.FLAG_ACTIVITY_CLEAR_TOP
113                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
114        qsbIntent.putExtra(SearchManager.APP_DATA, widgetAppData);
115        return qsbIntent;
116    }
117
118    private static SearchWidgetState getSearchWidgetState(Context context, int appWidgetId) {
119        if (DBG) Log.d(TAG, "Creating appwidget state " + appWidgetId);
120        SearchWidgetState state = new SearchWidgetState(appWidgetId);
121
122        Bundle widgetAppData = new Bundle();
123        widgetAppData.putString(Search.SOURCE, WIDGET_SEARCH_SOURCE);
124
125        // Text field click
126        Intent qsbIntent = createQsbActivityIntent(
127                context,
128                SearchManager.INTENT_ACTION_GLOBAL_SEARCH,
129                widgetAppData);
130        state.setQueryTextViewIntent(qsbIntent);
131
132        // Voice search button
133        Intent voiceSearchIntent = getVoiceSearchIntent(context, widgetAppData);
134        state.setVoiceSearchIntent(voiceSearchIntent);
135
136        return state;
137    }
138
139    private static Intent getVoiceSearchIntent(Context context, Bundle widgetAppData) {
140        VoiceSearch voiceSearch = QsbApplication.get(context).getVoiceSearch();
141        return voiceSearch.createVoiceWebSearchIntent(widgetAppData);
142    }
143
144    private static class SearchWidgetState {
145        private final int mAppWidgetId;
146        private Intent mQueryTextViewIntent;
147        private Intent mVoiceSearchIntent;
148
149        public SearchWidgetState(int appWidgetId) {
150            mAppWidgetId = appWidgetId;
151        }
152
153        public void setQueryTextViewIntent(Intent queryTextViewIntent) {
154            mQueryTextViewIntent = queryTextViewIntent;
155        }
156
157        public void setVoiceSearchIntent(Intent voiceSearchIntent) {
158            mVoiceSearchIntent = voiceSearchIntent;
159        }
160
161        public void updateWidget(Context context,AppWidgetManager appWidgetMgr) {
162            if (DBG) Log.d(TAG, "Updating appwidget " + mAppWidgetId);
163            RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.search_widget);
164
165            setOnClickActivityIntent(context, views, R.id.search_widget_text,
166                    mQueryTextViewIntent);
167            // Voice Search button
168            if (mVoiceSearchIntent != null) {
169                setOnClickActivityIntent(context, views, R.id.search_widget_voice_btn,
170                        mVoiceSearchIntent);
171                views.setViewVisibility(R.id.search_widget_voice_btn, View.VISIBLE);
172            } else {
173                views.setViewVisibility(R.id.search_widget_voice_btn, View.GONE);
174            }
175
176            appWidgetMgr.updateAppWidget(mAppWidgetId, views);
177        }
178
179        private void setOnClickActivityIntent(Context context, RemoteViews views, int viewId,
180                Intent intent) {
181            PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, 0);
182            views.setOnClickPendingIntent(viewId, pendingIntent);
183        }
184    }
185
186}
187