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      1 /*
      2  * Copyright (C) 2010 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 package com.android.quicksearchbox;
     17 
     18 import com.android.quicksearchbox.util.NamedTaskExecutor;
     19 
     20 import android.content.Context;
     21 import android.graphics.drawable.Drawable;
     22 import android.net.Uri;
     23 import android.os.Handler;
     24 
     25 /**
     26  * Abstract implementation of a source that is not backed by a searchable activity.
     27  */
     28 public abstract class AbstractInternalSource extends AbstractSource {
     29 
     30     public AbstractInternalSource(Context context, Handler uiThread, NamedTaskExecutor iconLoader) {
     31         super(context, uiThread, iconLoader);
     32     }
     33 
     34     @Override
     35     public String getSuggestUri() {
     36         return null;
     37     }
     38 
     39     @Override
     40     public boolean canRead() {
     41         return true;
     42     }
     43 
     44     @Override
     45     public String getDefaultIntentData() {
     46         return null;
     47     }
     48 
     49     @Override
     50     protected String getIconPackage() {
     51         return getContext().getPackageName();
     52     }
     53 
     54     @Override
     55     public int getQueryThreshold() {
     56         return 0;
     57     }
     58 
     59     @Override
     60     public Drawable getSourceIcon() {
     61         return getContext().getResources().getDrawable(getSourceIconResource());
     62     }
     63 
     64     @Override
     65     public Uri getSourceIconUri() {
     66         return Uri.parse("android.resource://" + getContext().getPackageName()
     67                 + "/" +  getSourceIconResource());
     68     }
     69 
     70     protected abstract int getSourceIconResource();
     71 
     72     @Override
     73     public boolean queryAfterZeroResults() {
     74         return true;
     75     }
     76 
     77 }
     78