gecko/mobile/android/base/db/AndroidBrowserDB.java

292 lines
12 KiB
Java
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/* -*- 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):
* Lucas Rocha <lucasr@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.db;
import java.io.ByteArrayOutputStream;
import java.util.Date;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.database.Cursor;
import android.database.CursorWrapper;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.provider.Browser;
import android.provider.Browser.BookmarkColumns;
public class AndroidBrowserDB implements BrowserDB.BrowserDBIface {
private static final String URL_COLUMN_ID = "_id";
private static final String URL_COLUMN_THUMBNAIL = "thumbnail";
public Cursor filter(ContentResolver cr, CharSequence constraint, int limit) {
Cursor c = cr.query(Browser.BOOKMARKS_URI,
new String[] { URL_COLUMN_ID,
BookmarkColumns.URL,
BookmarkColumns.TITLE,
BookmarkColumns.FAVICON,
URL_COLUMN_THUMBNAIL },
// The length restriction on URL is for the same reason as in the general bookmark query
// (see comment earlier in this file).
"(" + Browser.BookmarkColumns.URL + " LIKE ? OR " + Browser.BookmarkColumns.TITLE + " LIKE ?)"
+ " AND LENGTH(" + Browser.BookmarkColumns.URL + ") > 0",
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 LIMIT " + limit);
return new AndroidDBCursor(c);
}
public void updateVisitedHistory(ContentResolver cr, String uri) {
Browser.updateVisitedHistory(cr, uri, true);
}
public void updateHistoryTitle(ContentResolver cr, String uri, String title) {
ContentValues values = new ContentValues();
values.put(Browser.BookmarkColumns.TITLE, title);
cr.update(Browser.BOOKMARKS_URI,
values,
Browser.BookmarkColumns.URL + " = ?",
new String[] { uri });
}
public Cursor getAllVisitedHistory(ContentResolver cr) {
Cursor c = cr.query(Browser.BOOKMARKS_URI,
new String[] { Browser.BookmarkColumns.URL },
Browser.BookmarkColumns.BOOKMARK + " = 0 AND " +
Browser.BookmarkColumns.VISITS + " > 0",
null,
null);
return new AndroidDBCursor(c);
}
public Cursor getRecentHistory(ContentResolver cr, int limit) {
Cursor c = cr.query(Browser.BOOKMARKS_URI,
new String[] { URL_COLUMN_ID,
BookmarkColumns.URL,
BookmarkColumns.TITLE,
BookmarkColumns.FAVICON,
BookmarkColumns.DATE },
// Bookmarks that have not been visited have a date value
// of 0, so don't pick them up in the history view.
Browser.BookmarkColumns.DATE + " > 0",
null,
Browser.BookmarkColumns.DATE + " DESC LIMIT " + limit);
return new AndroidDBCursor(c);
}
public void clearHistory(ContentResolver cr) {
Browser.clearHistory(cr);
}
public Cursor getAllBookmarks(ContentResolver cr) {
Cursor c = cr.query(Browser.BOOKMARKS_URI,
new String[] { URL_COLUMN_ID,
BookmarkColumns.URL,
BookmarkColumns.TITLE,
BookmarkColumns.FAVICON },
// Select all bookmarks with a non-empty URL. When the history
// is empty there appears to be a dummy entry in the database
// which has a title of "Bookmarks" and no URL; the length restriction
// is to avoid picking that up specifically.
Browser.BookmarkColumns.BOOKMARK + " = 1 AND LENGTH(" + Browser.BookmarkColumns.URL + ") > 0",
null,
Browser.BookmarkColumns.TITLE);
return new AndroidDBCursor(c);
}
public boolean isBookmark(ContentResolver cr, String uri) {
Cursor cursor = cr.query(Browser.BOOKMARKS_URI,
new String[] { BookmarkColumns.URL },
Browser.BookmarkColumns.URL + " = ? and " + Browser.BookmarkColumns.BOOKMARK + " = ?",
new String[] { uri, "1" },
Browser.BookmarkColumns.URL);
int count = cursor.getCount();
cursor.close();
return (count == 1);
}
public void addBookmark(ContentResolver cr, String title, String uri) {
Cursor cursor = cr.query(Browser.BOOKMARKS_URI,
new String[] { BookmarkColumns.URL },
Browser.BookmarkColumns.URL + " = ?",
new String[] { uri },
Browser.BookmarkColumns.URL);
ContentValues values = new ContentValues();
values.put(Browser.BookmarkColumns.BOOKMARK, "1");
values.put(Browser.BookmarkColumns.TITLE, title);
if (cursor.getCount() == 1) {
// entry exists, update the bookmark flag
cr.update(Browser.BOOKMARKS_URI,
values,
Browser.BookmarkColumns.URL + " = ?",
new String[] { uri });
} else {
// add a new entry
values.put(Browser.BookmarkColumns.URL, uri);
cr.insert(Browser.BOOKMARKS_URI, values);
}
cursor.close();
}
public void removeBookmark(ContentResolver cr, String uri) {
ContentValues values = new ContentValues();
values.put(Browser.BookmarkColumns.BOOKMARK, "0");
cr.update(Browser.BOOKMARKS_URI,
values,
Browser.BookmarkColumns.URL + " = ?",
new String[] { uri });
}
public BitmapDrawable getFaviconForUrl(ContentResolver cr, String uri) {
Cursor c = cr.query(Browser.BOOKMARKS_URI,
new String[] { Browser.BookmarkColumns.FAVICON },
Browser.BookmarkColumns.URL + " = ?",
new String[] { uri },
null);
if (!c.moveToFirst()) {
c.close();
return null;
}
int faviconIndex = c.getColumnIndexOrThrow(Browser.BookmarkColumns.FAVICON);
byte[] b = c.getBlob(faviconIndex);
c.close();
if (b == null)
return null;
Bitmap bitmap = BitmapFactory.decodeByteArray(b, 0, b.length);
return new BitmapDrawable(bitmap);
}
public void updateFaviconForUrl(ContentResolver cr, String uri,
BitmapDrawable favicon) {
Bitmap bitmap = favicon.getBitmap();
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
ContentValues values = new ContentValues();
values.put(Browser.BookmarkColumns.FAVICON, stream.toByteArray());
values.put(Browser.BookmarkColumns.URL, uri);
cr.update(Browser.BOOKMARKS_URI,
values,
Browser.BookmarkColumns.URL + " = ?",
new String[] { uri });
}
public void updateThumbnailForUrl(ContentResolver cr, String uri,
BitmapDrawable thumbnail) {
Bitmap bitmap = thumbnail.getBitmap();
Cursor cursor = cr.query(Browser.BOOKMARKS_URI,
new String[] { BookmarkColumns.URL },
Browser.BookmarkColumns.URL + " = ?",
new String[] { uri },
Browser.BookmarkColumns.URL);
ContentValues values = new ContentValues();
ByteArrayOutputStream bos = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG, 0, bos);
values.put(URL_COLUMN_THUMBNAIL, bos.toByteArray());
if (cursor.getCount() == 1) {
// entry exists, simply update image
cr.update(Browser.BOOKMARKS_URI,
values,
Browser.BookmarkColumns.URL + " = ?",
new String[] { uri });
} else {
// add a new entry
values.put(Browser.BookmarkColumns.URL, uri);
cr.insert(Browser.BOOKMARKS_URI, values);
}
cursor.close();
}
private static class AndroidDBCursor extends CursorWrapper {
public AndroidDBCursor(Cursor c) {
super(c);
}
private String translateColumnName(String columnName) {
if (columnName.equals(BrowserDB.URLColumns.URL)) {
columnName = Browser.BookmarkColumns.URL;
} else if (columnName.equals(BrowserDB.URLColumns.TITLE)) {
columnName = Browser.BookmarkColumns.TITLE;
} else if (columnName.equals(BrowserDB.URLColumns.FAVICON)) {
columnName = Browser.BookmarkColumns.FAVICON;
} else if (columnName.equals(BrowserDB.URLColumns.THUMBNAIL)) {
columnName = URL_COLUMN_THUMBNAIL;
} else if (columnName.equals(BrowserDB.URLColumns.DATE_LAST_VISITED)) {
columnName = Browser.BookmarkColumns.DATE;
}
return columnName;
}
@Override
public int getColumnIndex(String columnName) {
return super.getColumnIndex(translateColumnName(columnName));
}
@Override
public int getColumnIndexOrThrow(String columnName) {
return super.getColumnIndexOrThrow(translateColumnName(columnName));
}
}
}