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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.browser;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.Context;
import android.content.res.Resources;
import android.database.MatrixCursor;
import android.graphics.Bitmap;
import android.os.AsyncTask;
import android.os.Bundle;
import android.provider.Browser;
import android.view.LayoutInflater;
import android.view.View;
import android.webkit.WebIconDatabase;
import android.webkit.WebIconDatabase.IconListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import java.util.HashMap;
import java.util.Vector;
interface BookmarksHistoryCallbacks {
public void onUrlSelected(String url, boolean newWindow);
public void onRemoveParentChildRelationships();
public void onComboCanceled();
}
public class CombinedBookmarkHistoryView extends LinearLayout
implements OnItemClickListener {
final static String STARTING_FRAGMENT = "fragment";
final static int FRAGMENT_ID_BOOKMARKS = 1;
final static int FRAGMENT_ID_HISTORY = 2;
private BrowserActivity mBrowserActivity;
private Bundle mExtras;
long mCurrentFragment;
static class IconListenerSet implements IconListener {
// Used to store favicons as we get them from the database
// FIXME: We use a different method to get the Favicons in
// BrowserBookmarksAdapter. They should probably be unified.
private HashMap<String, Bitmap> mUrlsToIcons;
private Vector<IconListener> mListeners;
public IconListenerSet() {
mUrlsToIcons = new HashMap<String, Bitmap>();
mListeners = new Vector<IconListener>();
}
@Override
public void onReceivedIcon(String url, Bitmap icon) {
mUrlsToIcons.put(url, icon);
for (IconListener listener : mListeners) {
listener.onReceivedIcon(url, icon);
}
}
public void addListener(IconListener listener) {
mListeners.add(listener);
}
public void removeListener(IconListener listener) {
mListeners.remove(listener);
}
public Bitmap getFavicon(String url) {
return mUrlsToIcons.get(url);
}
}
private static IconListenerSet sIconListenerSet;
static IconListenerSet getIconListenerSet() {
if (null == sIconListenerSet) {
sIconListenerSet = new IconListenerSet();
}
return sIconListenerSet;
}
public CombinedBookmarkHistoryView(Context context, int startingFragment, Bundle extras) {
super(context);
mBrowserActivity = (BrowserActivity) context;
mExtras = extras;
View v = LayoutInflater.from(context).inflate(R.layout.bookmarks_history, this);
Resources res = context.getResources();
// setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
ListView list = (ListView) findViewById(android.R.id.list);
list.setOnItemClickListener(this);
MatrixCursor cursor = new MatrixCursor(new String[] { "name", "_id" });
cursor.newRow().add(res.getString(R.string.bookmarks)).add(FRAGMENT_ID_BOOKMARKS);
cursor.newRow().add(res.getString(R.string.history)).add(FRAGMENT_ID_HISTORY);
list.setAdapter(new SimpleCursorAdapter(context,
android.R.layout.simple_list_item_1, cursor,
new String[] { "name" }, new int[] { android.R.id.text1 }));
// Start up the default fragment
loadFragment(startingFragment, mExtras);
// XXX: Must do this before launching the AsyncTask to avoid a
// potential crash if the icon database has not been created.
WebIconDatabase.getInstance();
// Do this every time the view is created in case a new favicon was
// added to the webkit db.
(new AsyncTask<Void, Void, Void>() {
@Override
public Void doInBackground(Void... v) {
Browser.requestAllIcons(mBrowserActivity.getContentResolver(),
Browser.BookmarkColumns.FAVICON + " is NULL", getIconListenerSet());
return null;
}
}).execute();
}
private void loadFragment(int id, Bundle extras) {
String fragmentClassName;
Fragment fragment = null;
switch (id) {
case FRAGMENT_ID_BOOKMARKS:
fragment = BrowserBookmarksPage.newInstance(mBrowserActivity, extras);
break;
case FRAGMENT_ID_HISTORY:
fragment = BrowserHistoryPage.newInstance(mBrowserActivity, extras);
break;
default:
throw new IllegalArgumentException();
}
mCurrentFragment = id;
FragmentManager fm = mBrowserActivity.getFragmentManager();
FragmentTransaction transaction = fm.openTransaction();
transaction.replace(R.id.fragment, fragment);
transaction.commit();
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (id == mCurrentFragment) return;
loadFragment((int) id, mExtras);
}
}
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