mirror of
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391 lines
15 KiB
Java
391 lines
15 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Android code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Lucas Rocha <lucasr@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package org.mozilla.gecko.db;
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import java.io.ByteArrayOutputStream;
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import java.util.Date;
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import org.mozilla.gecko.db.BrowserContract.Bookmarks;
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import org.mozilla.gecko.db.BrowserContract.History;
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import org.mozilla.gecko.db.BrowserContract.ImageColumns;
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import org.mozilla.gecko.db.BrowserContract.Images;
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import org.mozilla.gecko.db.BrowserContract.URLColumns;
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import android.content.ContentResolver;
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import android.content.ContentUris;
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import android.content.ContentValues;
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import android.database.Cursor;
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import android.database.CursorWrapper;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.drawable.BitmapDrawable;
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import android.net.Uri;
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import android.provider.Browser;
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public class LocalBrowserDB implements BrowserDB.BrowserDBIface {
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// Same as android.provider.Browser for consistency
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private static final int MAX_HISTORY_COUNT = 250;
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// Same as android.provider.Browser for consistency
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public static final int TRUNCATE_N_OLDEST = 5;
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private final String mProfile;
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private long mMobileFolderId;
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public LocalBrowserDB(String profile) {
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mProfile = profile;
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mMobileFolderId = -1;
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}
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private Uri appendProfileAndLimit(Uri uri, int limit) {
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return uri.buildUpon().appendQueryParameter(BrowserContract.PARAM_PROFILE, mProfile).
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appendQueryParameter(BrowserContract.PARAM_LIMIT, String.valueOf(limit)).build();
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}
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private Uri appendProfile(Uri uri) {
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return uri.buildUpon().appendQueryParameter(BrowserContract.PARAM_PROFILE, mProfile).build();
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}
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public Cursor filter(ContentResolver cr, CharSequence constraint, int limit) {
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Cursor c = cr.query(appendProfileAndLimit(History.CONTENT_URI, limit),
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new String[] { History._ID,
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History.URL,
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History.TITLE,
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History.FAVICON,
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History.THUMBNAIL },
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"(" + History.URL + " LIKE ? OR " + History.TITLE + " LIKE ?)",
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new String[] {"%" + constraint.toString() + "%", "%" + constraint.toString() + "%"},
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// ORDER BY is number of visits times a multiplier from 1 - 120 of how recently the site
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// was accessed with a site accessed today getting 120 and a site accessed 119 or more
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// days ago getting 1
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History.VISITS + " * MAX(1, (" +
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History.DATE_LAST_VISITED + " - " + new Date().getTime() + ") / 86400000 + 120) DESC");
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return new LocalDBCursor(c);
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}
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private void truncateHistory(ContentResolver cr) {
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Cursor cursor = null;
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try {
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cursor = cr.query(appendProfile(History.CONTENT_URI),
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new String[] { History._ID },
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null,
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null,
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History.DATE_LAST_VISITED + " ASC");
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if (cursor.getCount() < MAX_HISTORY_COUNT)
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return;
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if (cursor.moveToFirst()) {
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for (int i = 0; i < TRUNCATE_N_OLDEST; i++) {
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Uri historyUri = ContentUris.withAppendedId(History.CONTENT_URI, cursor.getLong(0));
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cr.delete(appendProfile(historyUri), null, null);
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if (!cursor.moveToNext())
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break;
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}
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}
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} finally {
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if (cursor != null)
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cursor.close();
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}
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}
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public void updateVisitedHistory(ContentResolver cr, String uri) {
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long now = System.currentTimeMillis();
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Cursor cursor = null;
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try {
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final String[] projection = new String[] {
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History._ID, // 0
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History.VISITS, // 1
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};
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cursor = cr.query(appendProfile(History.CONTENT_URI),
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projection,
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History.URL + " = ?",
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new String[] { uri },
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null);
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if (cursor.moveToFirst()) {
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ContentValues values = new ContentValues();
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values.put(History.VISITS, cursor.getInt(1) + 1);
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values.put(History.DATE_LAST_VISITED, now);
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Uri historyUri = ContentUris.withAppendedId(History.CONTENT_URI, cursor.getLong(0));
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cr.update(appendProfile(historyUri), values, null, null);
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} else {
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// Ensure we don't blow up our database with too
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// many history items.
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truncateHistory(cr);
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ContentValues values = new ContentValues();
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values.put(History.URL, uri);
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values.put(History.VISITS, 1);
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values.put(History.DATE_LAST_VISITED, now);
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values.put(History.TITLE, uri);
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cr.insert(appendProfile(History.CONTENT_URI), values);
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}
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} finally {
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if (cursor != null)
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cursor.close();
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}
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}
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public void updateHistoryTitle(ContentResolver cr, String uri, String title) {
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ContentValues values = new ContentValues();
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values.put(History.TITLE, title);
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cr.update(appendProfile(History.CONTENT_URI),
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values,
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History.URL + " = ?",
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new String[] { uri });
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}
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public Cursor getAllVisitedHistory(ContentResolver cr) {
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Cursor c = cr.query(appendProfile(History.CONTENT_URI),
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new String[] { History.URL },
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History.VISITS + " > 0",
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null,
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null);
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return new LocalDBCursor(c);
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}
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public Cursor getRecentHistory(ContentResolver cr, int limit) {
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Cursor c = cr.query(appendProfileAndLimit(History.CONTENT_URI, limit),
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new String[] { History._ID,
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History.URL,
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History.TITLE,
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History.FAVICON,
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History.DATE_LAST_VISITED },
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History.DATE_LAST_VISITED + " > 0",
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null,
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History.DATE_LAST_VISITED + " DESC");
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return new LocalDBCursor(c);
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}
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public void clearHistory(ContentResolver cr) {
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cr.delete(appendProfile(History.CONTENT_URI), null, null);
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}
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public Cursor getAllBookmarks(ContentResolver cr) {
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Cursor c = cr.query(appendProfile(Bookmarks.CONTENT_URI),
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new String[] { Bookmarks._ID,
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Bookmarks.URL,
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Bookmarks.TITLE,
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Bookmarks.FAVICON },
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Bookmarks.IS_FOLDER + " = 0",
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null,
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Bookmarks.TITLE + " ASC");
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return new LocalDBCursor(c);
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}
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public boolean isBookmark(ContentResolver cr, String uri) {
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Cursor cursor = cr.query(appendProfile(Bookmarks.CONTENT_URI),
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new String[] { Bookmarks._ID },
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Bookmarks.URL + " = ?",
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new String[] { uri },
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Bookmarks.URL);
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int count = cursor.getCount();
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cursor.close();
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return (count == 1);
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}
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private long getMobileBookmarksFolderId(ContentResolver cr) {
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if (mMobileFolderId >= 0)
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return mMobileFolderId;
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Cursor c = null;
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try {
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c = cr.query(appendProfile(Bookmarks.CONTENT_URI),
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new String[] { Bookmarks._ID },
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Bookmarks.GUID + " = ?",
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new String[] { Bookmarks.MOBILE_FOLDER_GUID },
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null);
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if (c.moveToFirst())
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mMobileFolderId = c.getLong(c.getColumnIndexOrThrow(Bookmarks._ID));
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} finally {
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if (c != null)
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c.close();
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}
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return mMobileFolderId;
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}
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public void addBookmark(ContentResolver cr, String title, String uri) {
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long folderId = getMobileBookmarksFolderId(cr);
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if (folderId < 0)
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return;
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ContentValues values = new ContentValues();
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values.put(Browser.BookmarkColumns.TITLE, title);
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values.put(Bookmarks.URL, uri);
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values.put(Bookmarks.PARENT, folderId);
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// Restore deleted record if possible
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values.put(Bookmarks.IS_DELETED, 0);
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int updated = cr.update(appendProfile(Bookmarks.CONTENT_URI),
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values,
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Bookmarks.URL + " = ?",
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new String[] { uri });
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if (updated == 0)
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cr.insert(appendProfile(Bookmarks.CONTENT_URI), values);
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}
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public void removeBookmark(ContentResolver cr, String uri) {
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cr.delete(appendProfile(Bookmarks.CONTENT_URI),
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Bookmarks.URL + " = ?",
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new String[] { uri });
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}
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public BitmapDrawable getFaviconForUrl(ContentResolver cr, String uri) {
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Cursor c = cr.query(appendProfile(Images.CONTENT_URI),
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new String[] { Images.FAVICON },
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Images.URL + " = ?",
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new String[] { uri },
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null);
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if (!c.moveToFirst()) {
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c.close();
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return null;
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}
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int faviconIndex = c.getColumnIndexOrThrow(Images.FAVICON);
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byte[] b = c.getBlob(faviconIndex);
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c.close();
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if (b == null)
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return null;
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Bitmap bitmap = BitmapFactory.decodeByteArray(b, 0, b.length);
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return new BitmapDrawable(bitmap);
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}
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public void updateFaviconForUrl(ContentResolver cr, String uri,
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BitmapDrawable favicon) {
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Bitmap bitmap = favicon.getBitmap();
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ByteArrayOutputStream stream = new ByteArrayOutputStream();
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bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
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ContentValues values = new ContentValues();
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values.put(Images.FAVICON, stream.toByteArray());
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values.put(Images.URL, uri);
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// Restore deleted record if possible
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values.put(Images.IS_DELETED, 0);
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int updated = cr.update(appendProfile(Images.CONTENT_URI),
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values,
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Images.URL + " = ?",
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new String[] { uri });
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if (updated == 0)
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cr.insert(appendProfile(Images.CONTENT_URI), values);
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}
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public void updateThumbnailForUrl(ContentResolver cr, String uri,
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BitmapDrawable thumbnail) {
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Bitmap bitmap = thumbnail.getBitmap();
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ByteArrayOutputStream stream = new ByteArrayOutputStream();
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bitmap.compress(Bitmap.CompressFormat.PNG, 0, stream);
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ContentValues values = new ContentValues();
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values.put(Images.THUMBNAIL, stream.toByteArray());
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values.put(Images.URL, uri);
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// Restore deleted record if possible
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values.put(Images.IS_DELETED, 0);
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int updated = cr.update(appendProfile(Images.CONTENT_URI),
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values,
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Images.URL + " = ?",
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new String[] { uri });
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if (updated == 0)
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cr.insert(appendProfile(Images.CONTENT_URI), values);
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}
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private static class LocalDBCursor extends CursorWrapper {
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public LocalDBCursor(Cursor c) {
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super(c);
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}
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private String translateColumnName(String columnName) {
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if (columnName.equals(BrowserDB.URLColumns.URL)) {
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columnName = URLColumns.URL;
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} else if (columnName.equals(BrowserDB.URLColumns.TITLE)) {
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columnName = URLColumns.TITLE;
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} else if (columnName.equals(BrowserDB.URLColumns.FAVICON)) {
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columnName = ImageColumns.FAVICON;
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} else if (columnName.equals(BrowserDB.URLColumns.THUMBNAIL)) {
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columnName = ImageColumns.THUMBNAIL;
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} else if (columnName.equals(BrowserDB.URLColumns.DATE_LAST_VISITED)) {
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columnName = History.DATE_LAST_VISITED;
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}
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return columnName;
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}
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@Override
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public int getColumnIndex(String columnName) {
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return super.getColumnIndex(translateColumnName(columnName));
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}
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@Override
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public int getColumnIndexOrThrow(String columnName) {
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return super.getColumnIndexOrThrow(translateColumnName(columnName));
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}
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}
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}
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