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 android.app.Activity;
20import android.app.Fragment;
21import android.content.ContentUris;
22import android.content.ContentValues;
23import android.database.Cursor;
24import android.net.Uri;
25import android.os.Bundle;
26import android.provider.CalendarContract.Calendars;
27import android.view.LayoutInflater;
28import android.view.View;
29import android.view.ViewGroup;
30import android.widget.AdapterView;
31import android.widget.ListView;
32
33import com.android.calendar.AsyncQueryService;
34import com.android.calendar.CalendarController;
35import com.android.calendar.CalendarController.EventInfo;
36import com.android.calendar.CalendarController.EventType;
37import com.android.calendar.R;
38import com.android.calendar.Utils;
39import com.android.calendar.selectcalendars.CalendarColorCache.OnCalendarColorsLoadedListener;
40
41public class SelectVisibleCalendarsFragment extends Fragment
42        implements AdapterView.OnItemClickListener, CalendarController.EventHandler,
43        OnCalendarColorsLoadedListener {
44
45    private static final String TAG = "Calendar";
46    private static final String IS_PRIMARY = "\"primary\"";
47    private static final String SELECTION = Calendars.SYNC_EVENTS + "=?";
48    private static final String[] SELECTION_ARGS = new String[] {"1"};
49
50    private static final String[] PROJECTION = new String[] {
51        Calendars._ID,
52        Calendars.ACCOUNT_NAME,
53        Calendars.ACCOUNT_TYPE,
54        Calendars.OWNER_ACCOUNT,
55        Calendars.CALENDAR_DISPLAY_NAME,
56        Calendars.CALENDAR_COLOR,
57        Calendars.VISIBLE,
58        Calendars.SYNC_EVENTS,
59        "(" + Calendars.ACCOUNT_NAME + "=" + Calendars.OWNER_ACCOUNT + ") AS " + IS_PRIMARY,
60      };
61    private static int mUpdateToken;
62    private static int mQueryToken;
63    private static int mCalendarItemLayout = R.layout.mini_calendar_item;
64
65    private View mView = null;
66    private CalendarController mController;
67    private ListView mList;
68    private SelectCalendarsSimpleAdapter mAdapter;
69    private Activity mContext;
70    private AsyncQueryService mService;
71    private Cursor mCursor;
72
73    public SelectVisibleCalendarsFragment() {
74    }
75
76    public SelectVisibleCalendarsFragment(int itemLayout) {
77        mCalendarItemLayout = itemLayout;
78    }
79
80    @Override
81    public void onAttach(Activity activity) {
82        super.onAttach(activity);
83        mContext = activity;
84        mController = CalendarController.getInstance(activity);
85        mController.registerEventHandler(R.layout.select_calendars_fragment, this);
86        mService = new AsyncQueryService(activity) {
87            @Override
88            protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
89                mAdapter.changeCursor(cursor);
90                mCursor = cursor;
91            }
92        };
93    }
94
95    @Override
96    public void onDetach() {
97        super.onDetach();
98        mController.deregisterEventHandler(R.layout.select_calendars_fragment);
99        if (mCursor != null) {
100            mAdapter.changeCursor(null);
101            mCursor.close();
102            mCursor = null;
103        }
104    }
105
106    @Override
107    public void onCreate(Bundle icicle) {
108        super.onCreate(icicle);
109    }
110
111    @Override
112    public View onCreateView(LayoutInflater inflater, ViewGroup container,
113            Bundle savedInstanceState) {
114        super.onCreateView(inflater, container, savedInstanceState);
115        mView = inflater.inflate(R.layout.select_calendars_fragment, null);
116        mList = (ListView)mView.findViewById(R.id.list);
117
118        // Hide the Calendars to Sync button on tablets for now.
119        // Long terms stick it in the list of calendars
120        if (Utils.getConfigBool(getActivity(), R.bool.multiple_pane_config)) {
121            // Don't show dividers on tablets
122            mList.setDivider(null);
123            View v = mView.findViewById(R.id.manage_sync_set);
124            if (v != null) {
125                v.setVisibility(View.GONE);
126            }
127        }
128        return mView;
129    }
130
131    @Override
132    public void onActivityCreated(Bundle savedInstanceState) {
133        super.onActivityCreated(savedInstanceState);
134        mAdapter = new SelectCalendarsSimpleAdapter(mContext, mCalendarItemLayout, null,
135                getFragmentManager());
136        mList.setAdapter(mAdapter);
137        mList.setOnItemClickListener(this);
138    }
139
140    public void onItemClick(AdapterView<?> parent, View view, int position, long id)  {
141        if (mAdapter == null || mAdapter.getCount() <= position) {
142            return;
143        }
144        toggleVisibility(position);
145    }
146
147    @Override
148    public void onResume() {
149        super.onResume();
150        mQueryToken = mService.getNextToken();
151        mService.startQuery(mQueryToken, null, Calendars.CONTENT_URI, PROJECTION, SELECTION,
152                SELECTION_ARGS, Calendars.ACCOUNT_NAME);
153    }
154
155    /*
156     * Write back the changes that have been made.
157     */
158    public void toggleVisibility(int position) {
159        mUpdateToken = mService.getNextToken();
160        Uri uri = ContentUris.withAppendedId(Calendars.CONTENT_URI, mAdapter.getItemId(position));
161        ContentValues values = new ContentValues();
162        // Toggle the current setting
163        int visibility = mAdapter.getVisible(position)^1;
164        values.put(Calendars.VISIBLE, visibility);
165        mService.startUpdate(mUpdateToken, null, uri, values, null, null, 0);
166        mAdapter.setVisible(position, visibility);
167    }
168
169    @Override
170    public void eventsChanged() {
171        if (mService != null) {
172            mService.cancelOperation(mQueryToken);
173            mQueryToken = mService.getNextToken();
174            mService.startQuery(mQueryToken, null, Calendars.CONTENT_URI, PROJECTION, SELECTION,
175                    SELECTION_ARGS, Calendars.ACCOUNT_NAME);
176        }
177    }
178
179    @Override
180    public long getSupportedEventTypes() {
181        return EventType.EVENTS_CHANGED;
182    }
183
184    @Override
185    public void handleEvent(EventInfo event) {
186        eventsChanged();
187    }
188
189    @Override
190    public void onCalendarColorsLoaded() {
191        if (mAdapter != null) {
192            mAdapter.notifyDataSetChanged();
193        }
194    }
195}
196