gecko/embedding/android/AwesomeBar.java

/* -*- 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 ***** */

package org.mozilla.gecko;

import java.io.File;

import android.app.Activity;
import android.app.ListActivity;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.KeyEvent;
import android.view.View;
import android.view.Window;
import android.widget.EditText;
import android.widget.FilterQueryProvider;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import android.provider.Browser;
import java.util.Date;

public class AwesomeBar extends ListActivity {
    static final String URL_KEY = "url";
    static final String TITLE_KEY = "title";
    static final String CURRENT_URL_KEY = "currenturl";
    static final String TYPE_KEY = "type";
    static enum Type { ADD, EDIT };

    private static final String LOG_NAME = "AwesomeBar";

    private String mType;
    private Cursor mCursor;
    private SimpleCursorAdapter mAdapter;

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

        Log.d(LOG_NAME, "creating awesomebar");

        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.awesomebar_search);

        // Load the list using a custom adapter so we can create the bitmaps
        mAdapter = new SimpleCursorAdapter(
            this,
            R.layout.awesomebar_row,
            null,
            new String[] { TITLE_KEY, URL_KEY },
            new int[] { R.id.title, R.id.url }
        );
        setListAdapter(mAdapter);

        final EditText text = (EditText)findViewById(R.id.awesomebar_text);

        Intent intent = getIntent();
        String currentUrl = intent.getStringExtra(CURRENT_URL_KEY);
        mType = intent.getStringExtra(TYPE_KEY);
        if (currentUrl != null) {
            text.setText(currentUrl);
            text.selectAll();
        }

        text.addTextChangedListener(new TextWatcher() {
            public void afterTextChanged(Editable s) {
                // do nothing
            }

            public void beforeTextChanged(CharSequence s, int start, int count,
                                          int after) {
                // do nothing
            }

            public void onTextChanged(CharSequence s, int start, int before,
                                      int count) {
                mAdapter.getFilter().filter(s.toString());
            }
        });

        text.setOnKeyListener(new View.OnKeyListener() {
            public boolean onKey(View v, int keyCode, KeyEvent event) {
                if (keyCode == KeyEvent.KEYCODE_ENTER) {
                    if (event.getAction() != KeyEvent.ACTION_DOWN)
                        return true;

                    Intent resultIntent = new Intent();
                    resultIntent.putExtra(URL_KEY, text.getText().toString());
                    resultIntent.putExtra(TYPE_KEY, mType);
                    setResult(Activity.RESULT_OK, resultIntent);
                    finish();
                    return true;
                } else {
                    return false;
                }
            }
        });

        final Activity activity = this;
        mAdapter.setFilterQueryProvider(new FilterQueryProvider() {
            public Cursor runQuery(CharSequence constraint) {
                mCursor = 
                    activity.managedQuery(Browser.BOOKMARKS_URI,
                                          null, Browser.BookmarkColumns.URL + " LIKE ? OR title LIKE ?", 
                                          new String[] {"%" + constraint.toString() + "%", "%" + constraint.toString() + "%",},
                                          // ORDER BY is number of visits times a multiplier from 1 - 120 of how recently the site 
                                          // was accessed with a site accessed today getting 120 and a site accessed 119 or more 
                                          // days ago getting 1
                                          Browser.BookmarkColumns.VISITS + " * MAX(1, (" + 
                                          Browser.BookmarkColumns.DATE + " - " + new Date().getTime() + ") / 86400000 + 120) DESC");
                

                activity.startManagingCursor(mCursor);


                return mCursor;
            }
        });

        // show unfiltered results initially
        mAdapter.getFilter().filter("");
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        if (mCursor != null) mCursor.close();
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        Cursor cursor = (Cursor)l.getItemAtPosition(position);
        String url = cursor.getString(cursor.getColumnIndexOrThrow(URL_KEY));
        Intent resultIntent = new Intent();
        resultIntent.putExtra(URL_KEY, url);
        resultIntent.putExtra(TYPE_KEY, mType);
        setResult(Activity.RESULT_OK, resultIntent);
        finish();
    }
}