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/*
* Copyright (C) 2010 The Android Open Source Project
* * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.camerabrowser;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.FileUtils;
import android.os.ParcelFileDescriptor;
import android.os.Process;
import android.provider.Mtp;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Calendar;
import java.util.Date;
/**
* A view to display the properties of an object.
*/
public class ObjectViewer extends Activity {
private static final String TAG = "ObjectViewer";
private int mDeviceID;
private int mStorageID;
private int mObjectID;
private static final String[] OBJECT_COLUMNS =
new String[] { Mtp.Object._ID,
Mtp.Object.NAME,
Mtp.Object.SIZE,
Mtp.Object.THUMB_WIDTH,
Mtp.Object.THUMB_HEIGHT,
Mtp.Object.THUMB_SIZE,
Mtp.Object.IMAGE_WIDTH,
Mtp.Object.IMAGE_HEIGHT,
Mtp.Object.IMAGE_DEPTH,
Mtp.Object.SEQUENCE_NUMBER,
Mtp.Object.DATE_CREATED,
Mtp.Object.DATE_MODIFIED,
Mtp.Object.KEYWORDS,
Mtp.Object.THUMB,
Mtp.Object.FORMAT,
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.object_info);
}
@Override
protected void onResume() {
super.onResume();
mDeviceID = getIntent().getIntExtra("device", 0);
mStorageID = getIntent().getIntExtra("storage", 0);
mObjectID = getIntent().getIntExtra("object", 0);
if (mDeviceID != 0 && mObjectID != 0) {
Cursor c = getContentResolver().query(
Mtp.Object.getContentUri(mDeviceID, mObjectID),
OBJECT_COLUMNS, null, null, null);
c.moveToFirst();
TextView view = (TextView)findViewById(R.id.name);
view.setText(c.getString(1));
view = (TextView)findViewById(R.id.size);
view.setText(Long.toString(c.getLong(2)));
view = (TextView)findViewById(R.id.thumb_width);
view.setText(Long.toString(c.getLong(3)));
view = (TextView)findViewById(R.id.thumb_height);
view.setText(Long.toString(c.getLong(4)));
view = (TextView)findViewById(R.id.thumb_size);
view.setText(Long.toString(c.getLong(5)));
view = (TextView)findViewById(R.id.width);
view.setText(Long.toString(c.getLong(6)));
view = (TextView)findViewById(R.id.height);
view.setText(Long.toString(c.getLong(7)));
view = (TextView)findViewById(R.id.depth);
view.setText(Long.toString(c.getLong(8)));
view = (TextView)findViewById(R.id.sequence);
view.setText(Long.toString(c.getLong(9)));
view = (TextView)findViewById(R.id.created);
Date date = new Date(c.getLong(10) * 1000);
view.setText(date.toString());
view = (TextView)findViewById(R.id.modified);
date = new Date(c.getLong(11) * 1000);
view.setText(date.toString());
view = (TextView)findViewById(R.id.keywords);
view.setText(c.getString(12));
byte[] thumbnail = c.getBlob(13);
if (thumbnail != null) {
ImageView thumbView = (ImageView)findViewById(R.id.thumbnail);
Bitmap bitmap = BitmapFactory.decodeByteArray(thumbnail, 0, thumbnail.length);
if (bitmap != null) {
thumbView.setImageBitmap(bitmap);
}
}
view = (TextView)findViewById(R.id.format);
view.setText(Long.toHexString(c.getLong(14)).toUpperCase());
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.object_menu, menu);
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
MenuItem item = menu.findItem(R.id.save);
item.setEnabled(true);
item = menu.findItem(R.id.delete);
item.setEnabled(true);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.save:
save();
return true;
case R.id.delete:
delete();
return true;
}
return false;
}
private static String getTimestamp() {
Calendar c = Calendar.getInstance();
c.setTimeInMillis(System.currentTimeMillis());
return String.format("%tY-%tm-%td-%tH-%tM-%tS", c, c, c, c, c, c);
}
private void save() {
boolean success = false;
Uri uri = Mtp.Object.getContentUri(mDeviceID, mObjectID);
File destFile = null;
ParcelFileDescriptor pfd = null;
FileInputStream fis = null;
FileOutputStream fos = null;
try {
pfd = getContentResolver().openFileDescriptor(uri, "r");
Log.d(TAG, "save got pfd " + pfd);
if (pfd != null) {
fis = new FileInputStream(pfd.getFileDescriptor());
Log.d(TAG, "save got fis " + fis);
File destDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_DCIM);
destDir.mkdirs();
destFile = new File(destDir, "CameraBrowser-" + getTimestamp() + ".jpeg");
Log.d(TAG, "save got destFile " + destFile);
if (destFile.exists()) {
destFile.delete();
}
fos = new FileOutputStream(destFile);
byte[] buffer = new byte[65536];
int bytesRead;
while ((bytesRead = fis.read(buffer)) >= 0) {
fos.write(buffer, 0, bytesRead);
}
// temporary workaround until we straighten out permissions in /data/media
// 1015 is AID_SDCARD_RW
FileUtils.setPermissions(destDir.getPath(), 0775, Process.myUid(), 1015);
FileUtils.setPermissions(destFile.getPath(), 0664, Process.myUid(), 1015);
success = true;
}
} catch (Exception e) {
Log.e(TAG, "Exception in ObjectView.save", e);
} finally {
if (fis != null) {
try {
fis.close();
} catch (Exception e) {
}
}
if (fos != null) {
try {
fos.close();
} catch (Exception e) {
}
}
if (pfd != null) {
try {
pfd.close();
} catch (Exception e) {
}
}
}
if (success) {
Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
intent.setData(Uri.fromFile(destFile));
sendBroadcast(intent);
Toast.makeText(this, R.string.object_saved_message, Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(this, R.string.save_failed_message, Toast.LENGTH_SHORT).show();
}
}
private void delete() {
Uri uri = Mtp.Object.getContentUri(mDeviceID, mObjectID);
Log.d(TAG, "deleting " + uri);
int result = getContentResolver().delete(uri, null, null);
if (result > 0) {
Toast.makeText(this, R.string.object_deleted_message, Toast.LENGTH_SHORT).show();
finish();
} else {
Toast.makeText(this, R.string.delete_failed_message, Toast.LENGTH_SHORT).show();
}
}
}
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