1/*
2 * Copyright (C) 2012 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.mms.widget;
18
19import android.app.PendingIntent;
20import android.app.TaskStackBuilder;
21import android.appwidget.AppWidgetManager;
22import android.appwidget.AppWidgetProvider;
23import android.content.ComponentName;
24import android.content.Context;
25import android.content.Intent;
26import android.net.Uri;
27import android.util.Log;
28import android.widget.RemoteViews;
29
30import com.android.mms.LogTag;
31import com.android.mms.R;
32import com.android.mms.ui.ComposeMessageActivity;
33import com.android.mms.ui.ConversationList;
34
35public class MmsWidgetProvider extends AppWidgetProvider {
36    public static final String ACTION_NOTIFY_DATASET_CHANGED =
37            "com.android.mms.intent.action.ACTION_NOTIFY_DATASET_CHANGED";
38
39    private static final String TAG = "MmsWidgetProvider";
40
41    /**
42     * Update all widgets in the list
43     */
44    @Override
45    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
46        super.onUpdate(context, appWidgetManager, appWidgetIds);
47
48        for (int i = 0; i < appWidgetIds.length; ++i) {
49            updateWidget(context, appWidgetIds[i]);
50        }
51    }
52
53    @Override
54    public void onReceive(Context context, Intent intent) {
55        if (Log.isLoggable(LogTag.WIDGET, Log.VERBOSE)) {
56            Log.v(TAG, "onReceive intent: " + intent);
57        }
58        String action = intent.getAction();
59
60        // The base class AppWidgetProvider's onReceive handles the normal widget intents. Here
61        // we're looking for an intent sent by the messaging app when it knows a message has
62        // been sent or received (or a conversation has been read) and is telling the widget it
63        // needs to update.
64        if (ACTION_NOTIFY_DATASET_CHANGED.equals(action)) {
65            AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
66            int[] appWidgetIds = appWidgetManager.getAppWidgetIds(new ComponentName(context,
67                    MmsWidgetProvider.class));
68
69            // We need to update all Mms appwidgets on the home screen.
70            for (int appWidgetId : appWidgetIds) {
71                appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetId,
72                        R.id.conversation_list);
73            }
74        } else {
75            super.onReceive(context, intent);
76        }
77    }
78
79    /**
80     * Update the widget appWidgetId
81     */
82    private static void updateWidget(Context context, int appWidgetId) {
83        if (Log.isLoggable(LogTag.WIDGET, Log.VERBOSE)) {
84            Log.v(TAG, "updateWidget appWidgetId: " + appWidgetId);
85        }
86        RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget);
87        PendingIntent clickIntent;
88
89        // Launch an intent to avoid ANRs
90        final Intent intent = new Intent(context, MmsWidgetService.class);
91        intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
92        intent.setData(Uri.parse(intent.toUri(Intent.URI_INTENT_SCHEME)));
93        remoteViews.setRemoteAdapter(appWidgetId, R.id.conversation_list, intent);
94
95        remoteViews.setTextViewText(R.id.widget_label, context.getString(R.string.app_label));
96
97        // Open Mms's app conversation list when click on header
98        final Intent convIntent = new Intent(context, ConversationList.class);
99        clickIntent = PendingIntent.getActivity(
100                context, 0, convIntent, PendingIntent.FLAG_UPDATE_CURRENT);
101        remoteViews.setOnClickPendingIntent(R.id.widget_header, clickIntent);
102
103        // On click intent for Compose
104        final Intent composeIntent = new Intent(context, ComposeMessageActivity.class);
105        composeIntent.setAction(Intent.ACTION_SENDTO);
106        clickIntent = PendingIntent.getActivity(
107                context, 0, composeIntent, PendingIntent.FLAG_UPDATE_CURRENT);
108        remoteViews.setOnClickPendingIntent(R.id.widget_compose, clickIntent);
109
110        // On click intent for Conversation
111        TaskStackBuilder taskStackBuilder = TaskStackBuilder.create(context);
112        taskStackBuilder.addParentStack(ComposeMessageActivity.class);
113        Intent msgIntent = new Intent(Intent.ACTION_VIEW);
114        msgIntent.setType("vnd.android-dir/mms-sms");
115        taskStackBuilder.addNextIntent(msgIntent);
116        remoteViews.setPendingIntentTemplate(R.id.conversation_list,
117                taskStackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT));
118
119        AppWidgetManager.getInstance(context).updateAppWidget(appWidgetId, remoteViews);
120    }
121
122    /*
123     * notifyDatasetChanged call when the conversation list changes so the mms widget will
124     * update and reflect the changes
125     */
126    public static void notifyDatasetChanged(Context context) {
127        if (Log.isLoggable(LogTag.WIDGET, Log.VERBOSE)) {
128            Log.v(TAG, "notifyDatasetChanged");
129        }
130        final Intent intent = new Intent(ACTION_NOTIFY_DATASET_CHANGED);
131        context.sendBroadcast(intent);
132    }
133
134}