gecko/mobile/android/base/home/BookmarksPage.java

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

package org.mozilla.gecko.home;

import org.mozilla.gecko.R;
import org.mozilla.gecko.home.HomePager.OnUrlOpenListener;

import android.app.Activity;
import android.content.res.Configuration;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

/**
 * A page in about:home that displays a ListView of bookmarks.
 */
public class BookmarksPage extends HomeFragment {
    public static final String LOGTAG = "GeckoBookmarksPage";

    // The view shown by the fragment.
    private BookmarksListView mList;

    // On URL open listener
    private OnUrlOpenListener mUrlOpenListener;

    public BookmarksPage() {
        mUrlOpenListener = null;
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);

        try {
            mUrlOpenListener = (OnUrlOpenListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString()
                    + " must implement HomePager.OnUrlOpenListener");
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();

        mUrlOpenListener = null;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        super.onCreateView(inflater, container, savedInstanceState);
        return inflater.inflate(R.layout.home_bookmarks_page, null);
    }

    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);

        mList = (BookmarksListView) view.findViewById(R.id.bookmarks_list);
        mList.setOnUrlOpenListener(mUrlOpenListener);

        registerForContextMenu(mList);
    }

    @Override
    public void onDestroyView() {
        mList = null;
        super.onDestroyView();
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);

        // Reattach the fragment, forcing a reinflation of its view.
        // We use commitAllowingStateLoss() instead of commit() here to avoid
        // an IllegalStateException. If the phone is rotated while Fennec
        // is in the background, onConfigurationChanged() is fired.
        // onConfigurationChanged() is called before onResume(), so
        // using commit() would throw an IllegalStateException since it can't
        // be used between the Activity's onSaveInstanceState() and
        // onResume().
        if (isVisible()) {
            getFragmentManager().beginTransaction()
                                .detach(this)
                                .attach(this)
                                .commitAllowingStateLoss();
        }
    }
}