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      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 
     17 package com.android.quicksearchbox;
     18 
     19 import com.android.common.Search;
     20 import com.android.common.speech.Recognition;
     21 import com.android.quicksearchbox.util.Util;
     22 
     23 import android.app.Activity;
     24 import android.app.AlarmManager;
     25 import android.app.PendingIntent;
     26 import android.app.SearchManager;
     27 import android.appwidget.AppWidgetManager;
     28 import android.content.BroadcastReceiver;
     29 import android.content.ComponentName;
     30 import android.content.Context;
     31 import android.content.Intent;
     32 import android.graphics.Typeface;
     33 import android.net.Uri;
     34 import android.os.Bundle;
     35 import android.os.SystemClock;
     36 import android.speech.RecognizerIntent;
     37 import android.text.Annotation;
     38 import android.text.SpannableStringBuilder;
     39 import android.text.TextUtils;
     40 import android.text.style.StyleSpan;
     41 import android.util.Log;
     42 import android.view.View;
     43 import android.widget.RemoteViews;
     44 
     45 import java.util.ArrayList;
     46 import java.util.Random;
     47 
     48 /**
     49  * Search widget provider.
     50  *
     51  */
     52 public 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