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331 lines
10 KiB
Java
331 lines
10 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) 2009-2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Sriram Ramasubramanian <sriram@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;
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import android.content.ContentResolver;
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import android.content.ContentValues;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import android.graphics.drawable.Drawable;
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import android.os.AsyncTask;
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import android.provider.Browser;
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import android.util.Log;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.util.ArrayList;
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import java.util.List;
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public class Tab {
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private static final String LOG_NAME = "Tab";
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private int mId;
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private String mUrl;
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private String mTitle;
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private Drawable mFavicon;
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private Drawable mThumbnail;
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private List<HistoryEntry> mHistory;
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private int mHistoryIndex;
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private boolean mLoading;
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private boolean mBookmark;
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static class HistoryEntry {
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public final String mUri;
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public String mTitle;
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public HistoryEntry(String uri, String title) {
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mUri = uri;
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mTitle = title;
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}
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}
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public Tab() {
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this(-1, "");
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}
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public Tab(int id, String url) {
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mId = id;
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mUrl = url;
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mTitle = new String();
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mFavicon = null;
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mThumbnail = null;
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mHistory = new ArrayList<HistoryEntry>();
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mHistoryIndex = -1;
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mBookmark = false;
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}
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public int getId() {
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return mId;
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}
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public String getURL() {
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return mUrl;
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}
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public String getTitle() {
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return mTitle;
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}
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public String getDisplayTitle() {
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if (mTitle != null && mTitle.length() > 0) {
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return mTitle;
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}
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return mUrl;
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}
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public Drawable getFavicon() {
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return mFavicon;
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}
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public boolean isLoading() {
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return mLoading;
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}
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public boolean isBookmark() {
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return mBookmark;
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}
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public void updateURL(String url) {
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if (url != null && url.length() > 0) {
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mUrl = new String(url);
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Log.i(LOG_NAME, "Updated url: " + url + " for tab with id: " + mId);
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updateBookmark();
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}
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}
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public void updateTitle(String title) {
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if (title != null && title.length() > 0) {
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mTitle = new String(title);
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} else {
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mTitle = "";
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}
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Log.i(LOG_NAME, "Updated title: " + mTitle + " for tab with id: " + mId);
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final HistoryEntry he = getLastHistoryEntry();
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if (he != null) {
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he.mTitle = mTitle;
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GeckoAppShell.getHandler().post(new Runnable() {
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public void run() {
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GlobalHistory.getInstance().update(he.mUri, he.mTitle);
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}
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});
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} else {
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Log.e(LOG_NAME, "Requested title update on empty history stack");
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}
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}
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public void setLoading(boolean loading) {
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mLoading = loading;
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}
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private void setBookmark(boolean bookmark) {
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mBookmark = bookmark;
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}
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public HistoryEntry getLastHistoryEntry() {
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if (mHistory.isEmpty())
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return null;
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return mHistory.get(mHistoryIndex);
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}
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public void updateFavicon(Drawable favicon) {
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mFavicon = favicon;
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Log.i(LOG_NAME, "Updated favicon for tab with id: " + mId);
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}
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private void updateBookmark() {
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new CheckBookmarkTask().execute();
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}
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public void addBookmark() {
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new AddBookmarkTask().execute();
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}
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public void removeBookmark() {
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new RemoveBookmarkTask().execute();
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}
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public boolean doReload() {
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if (mHistory.isEmpty())
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return false;
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GeckoEvent e = new GeckoEvent("Session:Reload", "");
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GeckoAppShell.sendEventToGecko(e);
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return true;
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}
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public boolean doBack() {
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if (mHistoryIndex < 1) {
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return false;
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}
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GeckoEvent e = new GeckoEvent("Session:Back", "");
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GeckoAppShell.sendEventToGecko(e);
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return true;
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}
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public boolean canDoForward() {
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return (mHistoryIndex + 1 < mHistory.size());
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}
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public boolean doForward() {
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if (mHistoryIndex + 1 >= mHistory.size()) {
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return false;
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}
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GeckoEvent e = new GeckoEvent("Session:Forward", "");
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GeckoAppShell.sendEventToGecko(e);
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return true;
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}
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void handleSessionHistoryMessage(String event, JSONObject message) throws JSONException {
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if (event.equals("New")) {
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final String uri = message.getString("uri");
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mHistoryIndex++;
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while (mHistory.size() > mHistoryIndex) {
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mHistory.remove(mHistoryIndex);
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}
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HistoryEntry he = new HistoryEntry(uri, null);
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mHistory.add(he);
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GeckoAppShell.getHandler().post(new Runnable() {
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public void run() {
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GlobalHistory.getInstance().add(uri);
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}
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});
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} else if (event.equals("Back")) {
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if (mHistoryIndex - 1 < 0) {
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Log.e(LOG_NAME, "Received unexpected back notification");
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return;
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}
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mHistoryIndex--;
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} else if (event.equals("Forward")) {
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if (mHistoryIndex + 1 >= mHistory.size()) {
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Log.e(LOG_NAME, "Received unexpected forward notification");
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return;
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}
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mHistoryIndex++;
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} else if (event.equals("Goto")) {
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int index = message.getInt("index");
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if (index < 0 || index >= mHistory.size()) {
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Log.e(LOG_NAME, "Received unexpected history-goto notification");
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return;
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}
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mHistoryIndex = index;
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} else if (event.equals("Purge")) {
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mHistory.clear();
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mHistoryIndex = -1;
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}
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}
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private class CheckBookmarkTask extends AsyncTask<Void, Void, Boolean> {
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@Override
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protected Boolean doInBackground(Void... unused) {
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ContentResolver resolver = Tabs.getInstance().getContentResolver();
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Cursor cursor = resolver.query(Browser.BOOKMARKS_URI,
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null,
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Browser.BookmarkColumns.URL + " = ? and " + Browser.BookmarkColumns.BOOKMARK + " = ?",
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new String[] { getURL(), "1" },
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Browser.BookmarkColumns.URL);
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if (cursor.getCount() == 1)
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return true;
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else
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return false;
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}
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@Override
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protected void onPostExecute(Boolean isBookmark) {
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setBookmark(isBookmark.booleanValue());
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}
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}
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private class AddBookmarkTask extends AsyncTask<Void, Void, Void> {
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@Override
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protected Void doInBackground(Void... unused) {
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ContentResolver resolver = Tabs.getInstance().getContentResolver();
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Cursor cursor = resolver.query(Browser.BOOKMARKS_URI,
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null,
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Browser.BookmarkColumns.URL + " = ?",
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new String[] { getURL() },
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Browser.BookmarkColumns.URL);
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ContentValues values = new ContentValues();
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values.put(Browser.BookmarkColumns.BOOKMARK, "1");
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values.put(Browser.BookmarkColumns.TITLE, getTitle());
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if (cursor.getCount() == 1) {
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//entry exists, update the bookmark flag
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resolver.update(Browser.BOOKMARKS_URI,
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values,
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Browser.BookmarkColumns.URL + " = ?",
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new String[] { getURL() });
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} else {
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//add a new entry
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values.put(Browser.BookmarkColumns.URL, mUrl);
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resolver.insert(Browser.BOOKMARKS_URI,
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values);
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}
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return null;
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}
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@Override
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protected void onPostExecute(Void unused) {
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setBookmark(true);
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}
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}
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private class RemoveBookmarkTask extends AsyncTask<Void, Void, Void> {
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@Override
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protected Void doInBackground(Void... unused) {
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ContentResolver resolver = Tabs.getInstance().getContentResolver();
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ContentValues values = new ContentValues();
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values.put(Browser.BookmarkColumns.BOOKMARK, "0");
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resolver.update(Browser.BOOKMARKS_URI,
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values,
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Browser.BookmarkColumns.URL + " = ?",
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new String[] { getURL() });
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return null;
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}
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@Override
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protected void onPostExecute(Void unused) {
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setBookmark(false);
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}
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}
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}
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