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package com.android.gallery3d.data;
import com.android.gallery3d.R;
import com.android.gallery3d.util.GalleryUtils;
import android.content.Context;
import android.hardware.usb.UsbDevice;
import android.media.MediaScannerConnection;
import android.media.MediaScannerConnection.MediaScannerConnectionClient;
import android.mtp.MtpObjectInfo;
import android.net.Uri;
import android.os.Environment;
import android.util.Log;
import android.widget.Toast;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
public class MtpContext implements MtpClient.Listener {
private static final String TAG = "MtpContext";
public static final String NAME_IMPORTED_FOLDER = "Imported";
private ScannerClient mScannerClient;
private Context mContext;
private MtpClient mClient;
private static final class ScannerClient implements MediaScannerConnectionClient {
ArrayList<String> mPaths = new ArrayList<String>();
MediaScannerConnection mScannerConnection;
boolean mConnected;
Object mLock = new Object();
public ScannerClient(Context context) {
mScannerConnection = new MediaScannerConnection(context, this);
}
public void scanPath(String path) {
synchronized (mLock) {
if (mConnected) {
mScannerConnection.scanFile(path, null);
} else {
mPaths.add(path);
mScannerConnection.connect();
}
}
}
@Override
public void onMediaScannerConnected() {
synchronized (mLock) {
mConnected = true;
if (!mPaths.isEmpty()) {
for (String path : mPaths) {
mScannerConnection.scanFile(path, null);
}
mPaths.clear();
}
}
}
@Override
public void onScanCompleted(String path, Uri uri) {
}
}
public MtpContext(Context context) {
mContext = context;
mScannerClient = new ScannerClient(context);
mClient = new MtpClient(mContext);
}
public void pause() {
mClient.removeListener(this);
}
public void resume() {
mClient.addListener(this);
notifyDirty();
}
public void deviceAdded(android.mtp.MtpDevice device) {
notifyDirty();
showToast(R.string.camera_connected);
}
public void deviceRemoved(android.mtp.MtpDevice device) {
notifyDirty();
showToast(R.string.camera_disconnected);
}
private void notifyDirty() {
mContext.getContentResolver().notifyChange(Uri.parse("mtp://"), null);
}
private void showToast(final int msg) {
Toast.makeText(mContext, msg, Toast.LENGTH_SHORT).show();
}
public MtpClient getMtpClient() {
return mClient;
}
public boolean copyFile(String deviceName, MtpObjectInfo objInfo) {
if (GalleryUtils.hasSpaceForSize(objInfo.getCompressedSize())) {
File dest = Environment.getExternalStorageDirectory();
dest = new File(dest, NAME_IMPORTED_FOLDER);
dest.mkdirs();
String destPath = new File(dest, objInfo.getName()).getAbsolutePath();
int objectId = objInfo.getObjectHandle();
if (mClient.importFile(deviceName, objectId, destPath)) {
mScannerClient.scanPath(destPath);
return true;
}
} else {
Log.w(TAG, "No space to import " + objInfo.getName() +
" whose size = " + objInfo.getCompressedSize());
}
return false;
}
public boolean copyAlbum(String deviceName, String albumName,
List<MtpObjectInfo> children) {
File dest = Environment.getExternalStorageDirectory();
dest = new File(dest, albumName);
dest.mkdirs();
int success = 0;
for (MtpObjectInfo child : children) {
if (!GalleryUtils.hasSpaceForSize(child.getCompressedSize())) continue;
File importedFile = new File(dest, child.getName());
String path = importedFile.getAbsolutePath();
if (mClient.importFile(deviceName, child.getObjectHandle(), path)) {
mScannerClient.scanPath(path);
success++;
}
}
return success == children.size();
}
}
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