1/* 2 * Copyright (C) 2013 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.photos.adapters; 18 19import android.content.Context; 20import android.database.Cursor; 21import android.graphics.drawable.Drawable; 22import android.view.LayoutInflater; 23import android.view.View; 24import android.view.ViewGroup; 25import android.widget.CursorAdapter; 26import android.widget.ImageView; 27 28import com.android.gallery3d.R; 29import com.android.photos.data.PhotoSetLoader; 30import com.android.photos.shims.LoaderCompatShim; 31import com.android.photos.views.GalleryThumbnailView.GalleryThumbnailAdapter; 32 33 34public class PhotoThumbnailAdapter extends CursorAdapter implements GalleryThumbnailAdapter { 35 private LayoutInflater mInflater; 36 private LoaderCompatShim<Cursor> mDrawableFactory; 37 38 public PhotoThumbnailAdapter(Context context) { 39 super(context, null, false); 40 mInflater = LayoutInflater.from(context); 41 } 42 43 public void setDrawableFactory(LoaderCompatShim<Cursor> factory) { 44 mDrawableFactory = factory; 45 } 46 47 @Override 48 public void bindView(View view, Context context, Cursor cursor) { 49 ImageView iv = (ImageView) view.findViewById(R.id.thumbnail); 50 Drawable recycle = iv.getDrawable(); 51 Drawable drawable = mDrawableFactory.drawableForItem(cursor, recycle); 52 if (recycle != drawable) { 53 iv.setImageDrawable(drawable); 54 } 55 } 56 57 @Override 58 public View newView(Context context, Cursor cursor, ViewGroup parent) { 59 View view = mInflater.inflate(R.layout.photo_set_item, parent, false); 60 return view; 61 } 62 63 @Override 64 public float getIntrinsicAspectRatio(int position) { 65 Cursor cursor = getItem(position); 66 float width = cursor.getInt(PhotoSetLoader.INDEX_WIDTH); 67 float height = cursor.getInt(PhotoSetLoader.INDEX_HEIGHT); 68 return width / height; 69 } 70 71 @Override 72 public Cursor getItem(int position) { 73 return (Cursor) super.getItem(position); 74 } 75}