1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.browser.widget;
18
19import android.app.ListActivity;
20import android.app.LoaderManager.LoaderCallbacks;
21import android.appwidget.AppWidgetManager;
22import android.content.Context;
23import android.content.CursorLoader;
24import android.content.Intent;
25import android.content.Loader;
26import android.database.Cursor;
27import android.os.Bundle;
28import android.provider.BrowserContract.Accounts;
29import android.view.View;
30import android.view.View.OnClickListener;
31import android.widget.ArrayAdapter;
32import android.widget.ListView;
33
34import com.android.browser.AddBookmarkPage.BookmarkAccount;
35import com.android.browser.R;
36import com.android.browser.provider.BrowserProvider2;
37
38public class BookmarkWidgetConfigure extends ListActivity
39        implements OnClickListener, LoaderCallbacks<Cursor> {
40
41    static final int LOADER_ACCOUNTS = 1;
42
43    private ArrayAdapter<BookmarkAccount> mAccountAdapter;
44    private int mAppWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;
45
46    @Override
47    protected void onCreate(Bundle savedInstanceState) {
48        super.onCreate(savedInstanceState);
49        setResult(RESULT_CANCELED);
50        setVisible(false);
51        setContentView(R.layout.widget_account_selection);
52        findViewById(R.id.cancel).setOnClickListener(this);
53        mAccountAdapter = new ArrayAdapter<BookmarkAccount>(this,
54                android.R.layout.simple_list_item_1);
55        setListAdapter(mAccountAdapter);
56        Intent intent = getIntent();
57        Bundle extras = intent.getExtras();
58        if (extras != null) {
59            mAppWidgetId = extras.getInt(
60                    AppWidgetManager.EXTRA_APPWIDGET_ID,
61                    AppWidgetManager.INVALID_APPWIDGET_ID);
62        }
63        if (mAppWidgetId == AppWidgetManager.INVALID_APPWIDGET_ID) {
64            finish();
65        } else {
66            getLoaderManager().initLoader(LOADER_ACCOUNTS, null, this);
67        }
68    }
69
70    @Override
71    public void onClick(View v) {
72        finish();
73    }
74
75    @Override
76    protected void onListItemClick(ListView l, View v, int position, long id) {
77        BookmarkAccount account = mAccountAdapter.getItem(position);
78        pickAccount(account.rootFolderId);
79    }
80
81    @Override
82    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
83        return new AccountsLoader(this);
84    }
85
86    void pickAccount(long rootId) {
87        BookmarkThumbnailWidgetService.setupWidgetState(this, mAppWidgetId, rootId);
88        Intent result = new Intent();
89        result.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mAppWidgetId);
90        setResult(RESULT_OK, result);
91        finish();
92    }
93
94    @Override
95    public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
96        if (cursor == null || cursor.getCount() < 1) {
97            // We always have the local account, so fall back to that
98            pickAccount(BrowserProvider2.FIXED_ID_ROOT);
99        } else if (cursor.getCount() == 1) {
100            cursor.moveToFirst();
101            pickAccount(cursor.getLong(AccountsLoader.COLUMN_INDEX_ROOT_ID));
102        } else {
103            mAccountAdapter.clear();
104            while (cursor.moveToNext()) {
105                mAccountAdapter.add(new BookmarkAccount(this, cursor));
106            }
107            setVisible(true);
108        }
109        getLoaderManager().destroyLoader(LOADER_ACCOUNTS);
110    }
111
112    @Override
113    public void onLoaderReset(Loader<Cursor> loader) {
114        // Don't care
115    }
116
117    static class AccountsLoader extends CursorLoader {
118
119        static final String[] PROJECTION = new String[] {
120            Accounts.ACCOUNT_NAME,
121            Accounts.ACCOUNT_TYPE,
122            Accounts.ROOT_ID,
123        };
124
125        static final int COLUMN_INDEX_ACCOUNT_NAME = 0;
126        static final int COLUMN_INDEX_ACCOUNT_TYPE = 1;
127        static final int COLUMN_INDEX_ROOT_ID = 2;
128
129        public AccountsLoader(Context context) {
130            super(context, Accounts.CONTENT_URI
131                    .buildUpon()
132                    .appendQueryParameter(BrowserProvider2.PARAM_ALLOW_EMPTY_ACCOUNTS, "false")
133                    .build(), PROJECTION, null, null, null);
134        }
135
136    }
137
138}
139