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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.browser;
import android.content.ActivityNotFoundException;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.database.DatabaseUtils;
import android.net.Uri;
import android.provider.Downloads;
import android.provider.MediaStore;
import android.widget.Toast;
import java.io.File;
/**
* This {@link BroadcastReceiver} handles {@link Intent}s to open and delete
* files downloaded by the Browser.
*/
public class OpenDownloadReceiver extends BroadcastReceiver {
public void onReceive(Context context, Intent intent) {
ContentResolver cr = context.getContentResolver();
Uri data = intent.getData();
Cursor cursor = null;
try {
cursor = cr.query(data,
new String[] { Downloads.Impl._ID, Downloads.Impl._DATA,
Downloads.Impl.COLUMN_MIME_TYPE, Downloads.COLUMN_STATUS },
null, null, null);
if (cursor.moveToFirst()) {
String filename = cursor.getString(1);
String mimetype = cursor.getString(2);
String action = intent.getAction();
if (Downloads.ACTION_NOTIFICATION_CLICKED.equals(action)) {
int status = cursor.getInt(3);
if (Downloads.isStatusCompleted(status)
&& Downloads.isStatusSuccess(status)) {
Intent launchIntent = new Intent(Intent.ACTION_VIEW);
Uri path = Uri.parse(filename);
// If there is no scheme, then it must be a file
if (path.getScheme() == null) {
path = Uri.fromFile(new File(filename));
}
launchIntent.setDataAndType(path, mimetype);
launchIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
try {
context.startActivity(launchIntent);
} catch (ActivityNotFoundException ex) {
Toast.makeText(context,
R.string.download_no_application_title,
Toast.LENGTH_LONG).show();
}
} else {
// Open the downloads page
Intent pageView = new Intent(context,
BrowserDownloadPage.class);
pageView.setData(data);
pageView.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(pageView);
}
} else if (Intent.ACTION_DELETE.equals(action)) {
if (deleteFile(cr, filename, mimetype)) {
cr.delete(data, null, null);
}
}
}
} finally {
if (cursor != null) cursor.close();
}
}
/**
* Remove the file from the SD card
* @param cr ContentResolver used to delete the file.
* @param filename Name of the file to delete.
* @param mimetype Mimetype of the file to delete.
* @return boolean True on success, false on failure.
*/
private boolean deleteFile(ContentResolver cr, String filename,
String mimetype) {
Uri uri;
if (mimetype.startsWith("image")) {
uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
} else if (mimetype.startsWith("audio")) {
uri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
} else if (mimetype.startsWith("video")) {
uri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
} else {
uri = null;
}
return (uri != null && cr.delete(uri, MediaStore.MediaColumns.DATA
+ " = " + DatabaseUtils.sqlEscapeString(filename), null) > 0)
|| new File(filename).delete();
}
}
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