/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Android code.
 *
 * The Initial Developer of the Original Code is Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Vladimir Vukicevic <vladimir@pobox.com>
 *   Wes Johnston <wjohnston@mozilla.com>
 *   Mark Finkle <mfinkle@mozilla.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#filter substitution
package @ANDROID_PACKAGE_NAME@;

import java.io.*;

import org.mozilla.gecko.*;

import android.os.*;
import android.content.*;
import android.app.*;
import android.text.*;
import android.util.*;
import android.widget.*;
import android.database.sqlite.*;
import android.database.*;
import android.view.*;
import android.net.Uri;
import android.graphics.*;


public class LauncherShortcuts extends ListActivity {
    public static final String CREATE_SHORTCUT = "org.mozilla.gecko.CREATE_SHORTCUT";

    public class LauncherCursorAdapter extends SimpleCursorAdapter {
        private Cursor _cursor;
        private Context _context;

        public LauncherCursorAdapter(Context context, int layout, Cursor c, String[] from, int[] to) {
            // Using the older, deprecated constructor so we can work on API < 11
            super(context, layout, c, from, to);
            _cursor = c;
            _context = context;
        }

        @Override
        public void bindView(View view, Context context, Cursor cursor) {
            ImageView imageView = (ImageView) view.findViewById(R.id.favicon);
    
            String favicon = cursor.getString(3);
            byte[] raw = Base64.decode(favicon.substring(22), Base64.DEFAULT);
            Bitmap bitmap = Bitmap.createScaledBitmap(BitmapFactory.decodeByteArray(raw, 0, raw.length), 48, 48, true);
            imageView.setImageBitmap(bitmap);

            super.bindView(view, context, cursor);
        }
    }

    private Cursor getCursor(Context context) {
        File home = new File(context.getFilesDir(), "mozilla");
        if (!home.exists())
            return null;

        File profile = null;
        String[] files = home.list();
        for (int i = 0; i < files.length; i++) {
            if (files[i].endsWith(".default")) {
                profile = new File(home, files[i]);
                break;
            }
        }

        if (profile == null)
            return null;

        File webapps = new File(profile, "webapps.sqlite");
        if (!webapps.exists())
            return null;

        Log.i("LauncherShortcuts", "Opening: " + webapps.getPath());
        mDb = SQLiteDatabase.openDatabase(webapps.getPath(), null, SQLiteDatabase.OPEN_READONLY | SQLiteDatabase.NO_LOCALIZED_COLLATORS);
        return mDb.rawQuery("SELECT rowid as _id, title, uri, icon FROM webapps", null);
    }
    
    private Cursor mCursor;
    private SQLiteDatabase mDb;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.launch_app_list);

        final Intent intent = getIntent();
        final String action = intent.getAction();

        if (Intent.ACTION_CREATE_SHORTCUT.equals(action)) {
            mCursor = getCursor(this);
            if (mCursor != null) {
                // After selecting an item, the empty view can flash on screen. Clear
                // the text so we don't see it.
                TextView emptyText = (TextView)findViewById(android.R.id.empty);
                emptyText.setText("");

                // Load the list using a custom adapter so we can create the bitmaps
                ListAdapter adapter = new LauncherCursorAdapter(
                    this,
                    R.layout.launch_app_listitem,
                    mCursor,
                    new String[] {"title"},
                    new int[] {R.id.title}
                );
                setListAdapter(adapter);
            }
        }
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        mCursor.moveToPosition(position);

        Intent shortcutintent = new Intent("org.mozilla.gecko.WEBAPP");
        shortcutintent.setClass(this, App.class);
        shortcutintent.putExtra("args", "--webapp=" + mCursor.getString(2));

        Intent intent = new Intent();
        intent.putExtra(Intent.EXTRA_SHORTCUT_NAME, mCursor.getString(1));
        intent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutintent);

        String favicon = mCursor.getString(3);
        byte[] raw = Base64.decode(favicon.substring(22), Base64.DEFAULT);

        DisplayMetrics dm = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(dm);
        int size;
        switch (dm.densityDpi) {
            case DisplayMetrics.DENSITY_MEDIUM:
                size = 48;
                break;
            case DisplayMetrics.DENSITY_HIGH:
                size = 72;
                break;
            default:
                size = 72;
        }

        Bitmap bitmap = Bitmap.createScaledBitmap(BitmapFactory.decodeByteArray(raw, 0, raw.length), size, size, true);
        intent.putExtra(Intent.EXTRA_SHORTCUT_ICON, bitmap);

        // Now, return the result to the launcher
        setResult(RESULT_OK, intent);
        mDb.close();
        mCursor.close();
        finish();
    }
}