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 public String getSuggestUri() { 35 return null; 36 } 37 38 public boolean canRead() { 39 return true; 40 } 41 42 public String getDefaultIntentData() { 43 return null; 44 } 45 46 @Override 47 protected String getIconPackage() { 48 return getContext().getPackageName(); 49 } 50 51 public int getQueryThreshold() { 52 return 0; 53 } 54 55 public Drawable getSourceIcon() { 56 return getContext().getResources().getDrawable(getSourceIconResource()); 57 } 58 59 public Uri getSourceIconUri() { 60 return Uri.parse("android.resource://" + getContext().getPackageName() 61 + "/" + getSourceIconResource()); 62 } 63 64 protected abstract int getSourceIconResource(); 65 66 public int getVersionCode() { 67 return QsbApplication.get(getContext()).getVersionCode(); 68 } 69 70 /** 71 * Shortcuts from previous version are compatible with shortcuts from this version, so we just 72 * return true. If shortcuts become incompatible during an upgrade, some examination of the 73 * version code should be added here. 74 */ 75 @Override 76 public boolean isVersionCodeCompatible(int version) { 77 return true; 78 } 79 80 public boolean queryAfterZeroResults() { 81 return true; 82 } 83 84 } 85