1/*
2 * Copyright (C) 2010 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.calendar.selectcalendars;
18
19import com.android.calendar.AsyncQueryService;
20import com.android.calendar.CalendarController.EventInfo;
21import com.android.calendar.CalendarController.EventType;
22import com.android.calendar.R;
23import com.android.calendar.CalendarController;
24import com.android.calendar.Utils;
25
26import android.app.Activity;
27import android.app.Fragment;
28import android.content.ContentUris;
29import android.content.ContentValues;
30import android.database.Cursor;
31import android.net.Uri;
32import android.os.Bundle;
33import android.provider.CalendarContract.Calendars;
34import android.util.Log;
35import android.view.LayoutInflater;
36import android.view.View;
37import android.view.ViewGroup;
38import android.widget.AdapterView;
39import android.widget.ListView;
40
41public class SelectVisibleCalendarsFragment extends Fragment
42        implements AdapterView.OnItemClickListener, CalendarController.EventHandler {
43
44    private static final String TAG = "Calendar";
45    private static final String IS_PRIMARY = "\"primary\"";
46    private static final String SELECTION = Calendars.SYNC_EVENTS + "=?";
47    private static final String[] SELECTION_ARGS = new String[] {"1"};
48
49    private static final String[] PROJECTION = new String[] {
50        Calendars._ID,
51        Calendars.ACCOUNT_NAME,
52        Calendars.OWNER_ACCOUNT,
53        Calendars.CALENDAR_DISPLAY_NAME,
54        Calendars.CALENDAR_COLOR,
55        Calendars.VISIBLE,
56        Calendars.SYNC_EVENTS,
57        "(" + Calendars.ACCOUNT_NAME + "=" + Calendars.OWNER_ACCOUNT + ") AS " + IS_PRIMARY,
58      };
59    private static int mUpdateToken;
60    private static int mQueryToken;
61    private static int mCalendarItemLayout = R.layout.mini_calendar_item;
62
63    private View mView = null;
64    private ListView mList;
65    private SelectCalendarsSimpleAdapter mAdapter;
66    private Activity mContext;
67    private AsyncQueryService mService;
68    private Cursor mCursor;
69
70    public SelectVisibleCalendarsFragment() {
71    }
72
73    public SelectVisibleCalendarsFragment(int itemLayout) {
74        mCalendarItemLayout = itemLayout;
75    }
76
77    @Override
78    public void onAttach(Activity activity) {
79        super.onAttach(activity);
80        mContext = activity;
81        mService = new AsyncQueryService(activity) {
82            @Override
83            protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
84                mAdapter.changeCursor(cursor);
85                mCursor = cursor;
86            }
87        };
88    }
89
90    @Override
91    public void onDetach() {
92        super.onDetach();
93        if (mCursor != null) {
94            mAdapter.changeCursor(null);
95            mCursor.close();
96            mCursor = null;
97        }
98    }
99
100    @Override
101    public void onCreate(Bundle icicle) {
102        super.onCreate(icicle);
103    }
104
105    @Override
106    public View onCreateView(LayoutInflater inflater, ViewGroup container,
107            Bundle savedInstanceState) {
108        super.onCreateView(inflater, container, savedInstanceState);
109        mView = inflater.inflate(R.layout.select_calendars_fragment, null);
110        mList = (ListView)mView.findViewById(R.id.list);
111
112        // Hide the Calendars to Sync button on tablets for now.
113        // Long terms stick it in the list of calendars
114        if (Utils.getConfigBool(getActivity(), R.bool.multiple_pane_config)) {
115            // Don't show dividers on tablets
116            mList.setDivider(null);
117            View v = mView.findViewById(R.id.manage_sync_set);
118            if (v != null) {
119                v.setVisibility(View.GONE);
120            }
121        }
122        return mView;
123    }
124
125    @Override
126    public void onActivityCreated(Bundle savedInstanceState) {
127        super.onActivityCreated(savedInstanceState);
128        mAdapter = new SelectCalendarsSimpleAdapter(mContext, mCalendarItemLayout, null);
129        mList.setAdapter(mAdapter);
130        mList.setOnItemClickListener(this);
131    }
132
133    public void onItemClick(AdapterView<?> parent, View view, int position, long id)  {
134        if (mAdapter == null || mAdapter.getCount() <= position) {
135            return;
136        }
137        toggleVisibility(position);
138    }
139
140    @Override
141    public void onResume() {
142        super.onResume();
143        mQueryToken = mService.getNextToken();
144        mService.startQuery(mQueryToken, null, Calendars.CONTENT_URI, PROJECTION, SELECTION,
145                SELECTION_ARGS, Calendars.ACCOUNT_NAME);
146    }
147
148    /*
149     * Write back the changes that have been made.
150     */
151    public void toggleVisibility(int position) {
152        Log.d(TAG, "Toggling calendar at " + position);
153        mUpdateToken = mService.getNextToken();
154        Uri uri = ContentUris.withAppendedId(Calendars.CONTENT_URI, mAdapter.getItemId(position));
155        ContentValues values = new ContentValues();
156        // Toggle the current setting
157        int visibility = mAdapter.getVisible(position)^1;
158        values.put(Calendars.VISIBLE, visibility);
159        mService.startUpdate(mUpdateToken, null, uri, values, null, null, 0);
160        mAdapter.setVisible(position, visibility);
161    }
162
163    @Override
164    public void eventsChanged() {
165        if (mService != null) {
166            mService.cancelOperation(mQueryToken);
167            mQueryToken = mService.getNextToken();
168            mService.startQuery(mQueryToken, null, Calendars.CONTENT_URI, PROJECTION, SELECTION,
169                    SELECTION_ARGS, Calendars.ACCOUNT_NAME);
170        }
171    }
172
173    @Override
174    public long getSupportedEventTypes() {
175        return EventType.EVENTS_CHANGED;
176    }
177
178    @Override
179    public void handleEvent(EventInfo event) {
180        if (event.eventType == EventType.EVENTS_CHANGED) {
181            eventsChanged();
182        }
183    }
184}
185