Home | History | Annotate | Download | only in camerabrowser 
      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  * * Licensed under the Apache License, Version 2.0 (the "License");
      4  * you may not use this file except in compliance with the License.
      5  * You may obtain a copy of the License at
      6  *
      7  *      http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software
     10  * distributed under the License is distributed on an "AS IS" BASIS,
     11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12  * See the License for the specific language governing permissions and
     13  * limitations under the License.
     14  */
     15 
     16 package com.android.camerabrowser;
     17 
     18 import android.app.Activity;
     19 import android.content.ActivityNotFoundException;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.graphics.Bitmap;
     23 import android.graphics.BitmapFactory;
     24 import android.media.MediaScannerConnection;
     25 import android.media.MediaScannerConnection.MediaScannerConnectionClient;
     26 import android.mtp.MtpConstants;
     27 import android.mtp.MtpObjectInfo;
     28 import android.net.Uri;
     29 import android.os.Bundle;
     30 import android.os.Environment;
     31 import android.util.Log;
     32 import android.view.View;
     33 import android.widget.Button;
     34 import android.widget.ImageView;
     35 import android.widget.TextView;
     36 import android.widget.Toast;
     37 
     38 import java.io.File;
     39 import java.util.Date;
     40 import java.util.Locale;
     41 
     42 /**
     43  * A view to display the properties of an object.
     44  */
     45 public class ObjectViewer extends Activity implements View.OnClickListener {
     46 
     47     private static final String TAG = "ObjectViewer";
     48 
     49     private MtpClient mClient;
     50     private String mDeviceName;
     51     private int mStorageID;
     52     private int mObjectID;
     53     private String mFileName;
     54     private Button mImportButton;
     55     private Button mDeleteButton;
     56     private DeviceDisconnectedReceiver mDisconnectedReceiver;
     57 
     58     private final class ScannerClient implements MediaScannerConnectionClient {
     59         private final Context mContext;
     60         private String mPath;
     61 
     62         public ScannerClient(Context context) {
     63             mContext = context;
     64         }
     65 
     66         public void setScanPath(String path) {
     67             mPath = path;
     68         }
     69 
     70         @Override
     71         public void onMediaScannerConnected() {
     72             mScannerConnection.scanFile(mPath, null);
     73         }
     74 
     75         @Override
     76         public void onScanCompleted(String path, Uri uri) {
     77             mScannerConnection.disconnect();
     78 
     79             // try to start an activity to view the file
     80             Intent intent = new Intent(Intent.ACTION_VIEW, uri);
     81             try {
     82                 mContext.startActivity(intent);
     83             } catch (ActivityNotFoundException e) {
     84                 Toast.makeText(mContext, R.string.start_activity_failed_message,
     85                         Toast.LENGTH_SHORT).show();
     86             }
     87         }
     88     }
     89 
     90     private MediaScannerConnection mScannerConnection;
     91     private ScannerClient mScannerClient;
     92 
     93     @Override
     94     protected void onCreate(Bundle savedInstanceState) {
     95         super.onCreate(savedInstanceState);
     96 
     97         mClient = ((CameraBrowserApplication)getApplication()).getMtpClient();
     98 
     99         setContentView(R.layout.object_info);
    100 
    101         mImportButton = (Button)findViewById(R.id.import_button);
    102         mImportButton.setOnClickListener(this);
    103         mDeleteButton = (Button)findViewById(R.id.delete_button);
    104         mDeleteButton.setOnClickListener(this);
    105 
    106         mDeviceName = getIntent().getStringExtra("device");
    107         mStorageID = getIntent().getIntExtra("storage", 0);
    108         mObjectID = getIntent().getIntExtra("object", 0);
    109         mDisconnectedReceiver = new DeviceDisconnectedReceiver(this, mDeviceName);
    110         mScannerClient = new ScannerClient(this);
    111         mScannerConnection = new MediaScannerConnection(this, mScannerClient);
    112     }
    113 
    114     @Override
    115     protected void onResume() {
    116         super.onResume();
    117 
    118         MtpObjectInfo info = mClient.getObjectInfo(mDeviceName, mObjectID);
    119         if (info != null) {
    120             TextView view = (TextView)findViewById(R.id.name);
    121             mFileName = info.getName();
    122             view.setText(mFileName);
    123             view = (TextView)findViewById(R.id.format);
    124             view.setText(Integer.toHexString(info.getFormat()).toUpperCase(Locale.ROOT));
    125             view = (TextView)findViewById(R.id.size);
    126             view.setText(Long.toString(info.getCompressedSize()));
    127             view = (TextView)findViewById(R.id.thumb_width);
    128             view.setText(Long.toString(info.getThumbPixWidth()));
    129             view = (TextView)findViewById(R.id.thumb_height);
    130             view.setText(Long.toString(info.getThumbPixHeight()));
    131             view = (TextView)findViewById(R.id.thumb_size);
    132             view.setText(Long.toString(info.getThumbCompressedSize()));
    133             view = (TextView)findViewById(R.id.width);
    134             view.setText(Long.toString(info.getImagePixWidth()));
    135             view = (TextView)findViewById(R.id.height);
    136             view.setText(Long.toString(info.getImagePixHeight()));
    137             view = (TextView)findViewById(R.id.depth);
    138             view.setText(Long.toString(info.getImagePixDepth()));
    139             view = (TextView)findViewById(R.id.sequence);
    140             view.setText(Long.toString(info.getSequenceNumber()));
    141             view = (TextView)findViewById(R.id.created);
    142             Date date = new Date(info.getDateCreated() * 1000);
    143             view.setText(date.toString());
    144             view = (TextView)findViewById(R.id.modified);
    145             date = new Date(info.getDateModified() * 1000);
    146             view.setText(date.toString());
    147             view = (TextView)findViewById(R.id.keywords);
    148             view.setText(info.getKeywords());
    149             int thumbFormat = info.getThumbFormat();
    150             if (thumbFormat == MtpConstants.FORMAT_EXIF_JPEG
    151                     || thumbFormat == MtpConstants.FORMAT_JFIF) {
    152                 byte[] thumbnail = mClient.getThumbnail(mDeviceName, info.getObjectHandle());
    153                 if (thumbnail != null) {
    154                     Bitmap bitmap = BitmapFactory.decodeByteArray(thumbnail, 0, thumbnail.length);
    155                     if (bitmap != null) {
    156                         ImageView thumbView = (ImageView)findViewById(R.id.thumbnail);
    157                         thumbView.setImageBitmap(bitmap);
    158                     }
    159                 }
    160             }
    161         }
    162     }
    163 
    164     @Override
    165     protected void onDestroy() {
    166         unregisterReceiver(mDisconnectedReceiver);
    167         super.onDestroy();
    168     }
    169 
    170     private void importObject() {
    171         // copy file to /mnt/sdcard/imported/<filename>
    172         File dest = Environment.getExternalStorageDirectory();
    173         dest = new File(dest, "imported");
    174         dest.mkdirs();
    175         dest = new File(dest, mFileName);
    176 
    177         if (mClient.importFile(mDeviceName, mObjectID, dest.getAbsolutePath())) {
    178             Toast.makeText(this, R.string.object_saved_message, Toast.LENGTH_SHORT).show();
    179 
    180             mScannerClient.setScanPath(dest.getAbsolutePath());
    181             mScannerConnection.connect();
    182         } else {
    183             Toast.makeText(this, R.string.save_failed_message, Toast.LENGTH_SHORT).show();
    184         }
    185     }
    186 
    187     private void deleteObject() {
    188         if (mClient.deleteObject(mDeviceName, mObjectID)) {
    189             Toast.makeText(this, R.string.object_deleted_message, Toast.LENGTH_SHORT).show();
    190             finish();
    191         } else {
    192             Toast.makeText(this, R.string.delete_failed_message, Toast.LENGTH_SHORT).show();
    193         }
    194     }
    195 
    196     public void onClick(View v) {
    197         if (v == mImportButton) {
    198             importObject();
    199         } else if (v == mDeleteButton) {
    200             deleteObject();
    201         }
    202     }
    203 }
    204