gecko/embedding/android/Tab.java

276 lines
8.7 KiB
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) 2009-2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Sriram Ramasubramanian <sriram@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 android.content.ContentResolver;
import android.content.ContentValues;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.graphics.drawable.Drawable;
import android.os.AsyncTask;
import android.provider.Browser;
import android.util.Log;
import java.util.Stack;
public class Tab {
private static final String LOG_NAME = "Tab";
private int mId;
private String mUrl;
private String mTitle;
private Drawable mFavicon;
private Drawable mThumbnail;
private Stack<HistoryEntry> mHistory;
private boolean mLoading;
private boolean mBookmark;
static class HistoryEntry {
public final String mUri;
public final String mTitle;
public HistoryEntry(String uri, String title) {
mUri = uri;
mTitle = title;
}
}
public Tab() {
mId = -1;
mUrl = new String();
mTitle = new String();
mFavicon = null;
mThumbnail = null;
mHistory = new Stack<HistoryEntry>();
mBookmark = false;
}
public Tab(int id, String url) {
mId = id;
mUrl = new String(url);
mTitle = new String();
mFavicon = null;
mThumbnail = null;
mHistory = new Stack<HistoryEntry>();
mBookmark = false;
}
public int getId() {
return mId;
}
public String getURL() {
return mUrl;
}
public String getTitle() {
return mTitle;
}
public Drawable getFavicon() {
return mFavicon;
}
public boolean isLoading() {
return mLoading;
}
public boolean isBookmark() {
return mBookmark;
}
public Stack<HistoryEntry> getHistory() {
return mHistory;
}
public void updateURL(String url) {
if(url != null && url.length() > 0) {
mUrl = new String(url);
Log.i(LOG_NAME, "Updated url: " + url + " for tab with id: " + mId);
updateBookmark();
}
}
public void updateTitle(String title) {
if(title != null && title.length() > 0) {
mTitle = new String(title);
Log.i(LOG_NAME, "Updated title: " + title + " for tab with id: " + mId);
}
}
public void setLoading(boolean loading) {
mLoading = loading;
}
private void setBookmark(boolean bookmark) {
mBookmark = bookmark;
}
public void addHistory(HistoryEntry entry) {
if (mHistory.empty() || !mHistory.peek().mUri.equals(entry.mUri)) {
mHistory.push(entry);
new HistoryEntryTask().execute(entry);
}
}
public HistoryEntry getLastHistoryEntry() {
if (mHistory.empty())
return null;
return mHistory.peek();
}
public void updateFavicon(Drawable favicon) {
mFavicon = favicon;
Log.i(LOG_NAME, "Updated favicon for tab with id: " + mId);
}
private void updateBookmark() {
new CheckBookmarkTask().execute();
}
public void addBookmark() {
new AddBookmarkTask().execute();
}
public void removeBookmark() {
new RemoveBookmarkTask().execute();
}
public boolean doReload() {
if (mHistory.empty())
return false;
GeckoEvent e = new GeckoEvent("session-reload", "");
GeckoAppShell.sendEventToGecko(e);
return true;
}
public boolean doBack() {
if (mHistory.size() <= 1) {
return false;
}
mHistory.pop();
GeckoEvent e = new GeckoEvent("session-back", "");
GeckoAppShell.sendEventToGecko(e);
return true;
}
private class HistoryEntryTask extends AsyncTask<HistoryEntry, Void, Void> {
protected Void doInBackground(HistoryEntry... entries) {
HistoryEntry entry = entries[0];
GlobalHistory.getInstance().add(entry.mUri);
return null;
}
}
private class CheckBookmarkTask extends AsyncTask<Void, Void, Boolean> {
@Override
protected Boolean doInBackground(Void... unused) {
ContentResolver resolver = Tabs.getInstance().getContentResolver();
Cursor cursor = resolver.query(Browser.BOOKMARKS_URI,
null,
Browser.BookmarkColumns.URL + " = ? and " + Browser.BookmarkColumns.BOOKMARK + " = ?",
new String[] { getURL(), "1" },
Browser.BookmarkColumns.URL);
if (cursor.getCount() == 1)
return true;
else
return false;
}
@Override
protected void onPostExecute(Boolean isBookmark) {
setBookmark(isBookmark.booleanValue());
}
}
private class AddBookmarkTask extends AsyncTask<Void, Void, Void> {
@Override
protected Void doInBackground(Void... unused) {
ContentResolver resolver = Tabs.getInstance().getContentResolver();
Cursor cursor = resolver.query(Browser.BOOKMARKS_URI,
null,
Browser.BookmarkColumns.URL + " = ?",
new String[] { getURL() },
Browser.BookmarkColumns.URL);
ContentValues values = new ContentValues();
values.put(Browser.BookmarkColumns.BOOKMARK, "1");
values.put(Browser.BookmarkColumns.TITLE, getTitle());
if (cursor.getCount() == 1) {
//entry exists, update the bookmark flag
resolver.update(Browser.BOOKMARKS_URI,
values,
Browser.BookmarkColumns.URL + " = ?",
new String[] { getURL() });
} else {
//add a new entry
values.put(Browser.BookmarkColumns.URL, mUrl);
resolver.insert(Browser.BOOKMARKS_URI,
values);
}
return null;
}
@Override
protected void onPostExecute(Void unused) {
setBookmark(true);
}
}
private class RemoveBookmarkTask extends AsyncTask<Void, Void, Void> {
@Override
protected Void doInBackground(Void... unused) {
ContentResolver resolver = Tabs.getInstance().getContentResolver();
ContentValues values = new ContentValues();
values.put(Browser.BookmarkColumns.BOOKMARK, "0");
resolver.update(Browser.BOOKMARKS_URI,
values,
Browser.BookmarkColumns.URL + " = ?",
new String[] { getURL() });
return null;
}
@Override
protected void onPostExecute(Void unused) {
setBookmark(false);
}
}
}