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 17 package com.android.videoeditor; 18 19 import android.content.Context; 20 import android.graphics.Bitmap; 21 import android.graphics.BitmapFactory; 22 import android.view.LayoutInflater; 23 import android.view.View; 24 import android.view.ViewGroup; 25 import android.widget.AbsListView; 26 27 /** 28 * Adapter which displays a list of supported transitions 29 */ 30 public class TransitionsAdapter extends BaseAdapterWithImages<Integer> { 31 // Instance variables 32 private final TransitionType[] mTransitions; 33 34 /** 35 * Constructor 36 * 37 * @param context The context 38 * @param listView The list view 39 */ TransitionsAdapter(Context context, AbsListView listView)40 public TransitionsAdapter(Context context, AbsListView listView) { 41 super(context, listView); 42 43 mTransitions = TransitionType.getTransitions(context); 44 } 45 46 /** 47 * @return The array of transitions 48 */ getTransitions()49 public TransitionType[] getTransitions() { 50 return mTransitions; 51 } 52 53 /* 54 * {@inheritDoc} 55 */ 56 @Override getCount()57 public int getCount() { 58 return mTransitions.length; 59 } 60 61 /* 62 * {@inheritDoc} 63 */ getItem(int position)64 public Object getItem(int position) { 65 return mTransitions[position]; 66 } 67 68 /* 69 * {@inheritDoc} 70 */ 71 @SuppressWarnings("unchecked") getView(int position, View convertView, ViewGroup parent)72 public View getView(int position, View convertView, ViewGroup parent) { 73 final ImageTextViewHolder<Integer> viewHolder; 74 final View rowView; 75 if (convertView == null) { 76 final LayoutInflater vi = 77 (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 78 rowView = vi.inflate(R.layout.image_with_text_row_view, null); 79 viewHolder = new ImageTextViewHolder<Integer>(rowView); 80 rowView.setTag(viewHolder); 81 } else { 82 rowView = convertView; 83 viewHolder = (ImageTextViewHolder<Integer>)convertView.getTag(); 84 } 85 86 final TransitionType transitionType = mTransitions[position]; 87 final int type = transitionType.getType(); 88 initiateLoad(type, type, viewHolder); 89 90 // Set the data in the views 91 viewHolder.mNameView.setText(transitionType.getName()); 92 93 return rowView; 94 } 95 96 /* 97 * {@inheritDoc} 98 */ 99 @Override loadImage(Object data)100 protected Bitmap loadImage(Object data) { 101 return BitmapFactory.decodeResource(mContext.getResources(), 102 TransitionType.TRANSITION_RESOURCE_IDS[(Integer)data]); 103 } 104 } 105