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 17 package com.android.gallery3d.ingest.ui; 18 19 import com.android.gallery3d.R; 20 import com.android.gallery3d.ingest.data.IngestObjectInfo; 21 import com.android.gallery3d.ingest.data.MtpBitmapFetch; 22 23 import android.content.Context; 24 import android.graphics.Bitmap; 25 import android.graphics.Canvas; 26 import android.graphics.Paint; 27 import android.mtp.MtpDevice; 28 import android.util.AttributeSet; 29 import android.widget.Checkable; 30 31 32 /** 33 * View for thumbnail images from an MTP device 34 */ 35 public class MtpThumbnailTileView extends MtpImageView implements Checkable { 36 37 private Paint mForegroundPaint; 38 private boolean mIsChecked; 39 private Bitmap mBitmap; 40 init()41 private void init() { 42 mForegroundPaint = new Paint(); 43 mForegroundPaint.setColor( 44 getResources().getColor(R.color.ingest_highlight_semitransparent)); 45 } 46 MtpThumbnailTileView(Context context)47 public MtpThumbnailTileView(Context context) { 48 super(context); 49 init(); 50 } 51 MtpThumbnailTileView(Context context, AttributeSet attrs)52 public MtpThumbnailTileView(Context context, AttributeSet attrs) { 53 super(context, attrs); 54 init(); 55 } 56 MtpThumbnailTileView(Context context, AttributeSet attrs, int defStyle)57 public MtpThumbnailTileView(Context context, AttributeSet attrs, int defStyle) { 58 super(context, attrs, defStyle); 59 init(); 60 } 61 62 @Override onMeasure(int widthMeasureSpec, int heightMeasureSpec)63 public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 64 // Force this to be square 65 super.onMeasure(widthMeasureSpec, widthMeasureSpec); 66 } 67 68 @Override fetchMtpImageDataFromDevice(MtpDevice device, IngestObjectInfo info)69 protected Object fetchMtpImageDataFromDevice(MtpDevice device, IngestObjectInfo info) { 70 return MtpBitmapFetch.getThumbnail(device, info); 71 } 72 73 @Override onMtpImageDataFetchedFromDevice(Object result)74 protected void onMtpImageDataFetchedFromDevice(Object result) { 75 mBitmap = (Bitmap) result; 76 setImageBitmap(mBitmap); 77 } 78 79 @Override draw(Canvas canvas)80 public void draw(Canvas canvas) { 81 super.draw(canvas); 82 if (isChecked()) { 83 canvas.drawRect(canvas.getClipBounds(), mForegroundPaint); 84 } 85 } 86 87 @Override isChecked()88 public boolean isChecked() { 89 return mIsChecked; 90 } 91 92 @Override setChecked(boolean checked)93 public void setChecked(boolean checked) { 94 if (mIsChecked != checked) { 95 mIsChecked = checked; 96 invalidate(); 97 } 98 } 99 100 @Override toggle()101 public void toggle() { 102 setChecked(!mIsChecked); 103 } 104 105 @Override cancelLoadingAndClear()106 protected void cancelLoadingAndClear() { 107 super.cancelLoadingAndClear(); 108 if (mBitmap != null) { 109 MtpBitmapFetch.recycleThumbnail(mBitmap); 110 mBitmap = null; 111 } 112 } 113 } 114