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      1 /*
      2  * Copyright (C) 2015 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 
     17 package com.android.deskclock.data;
     18 
     19 import android.content.SharedPreferences;
     20 import android.support.annotation.StringRes;
     21 
     22 import com.android.deskclock.R;
     23 import com.android.deskclock.events.Events;
     24 
     25 /**
     26  * All widget data is accessed via this model.
     27  */
     28 final class WidgetModel {
     29 
     30     private final SharedPreferences mPrefs;
     31 
     32     WidgetModel(SharedPreferences prefs) {
     33         mPrefs = prefs;
     34     }
     35 
     36     /**
     37      * @param widgetClass indicates the type of widget being counted
     38      * @param count the number of widgets of the given type
     39      * @param eventCategoryId identifies the category of event to send
     40      */
     41     void updateWidgetCount(Class widgetClass, int count, @StringRes int eventCategoryId) {
     42         int delta = WidgetDAO.updateWidgetCount(mPrefs, widgetClass, count);
     43         for (; delta > 0; delta--) {
     44             Events.sendEvent(eventCategoryId, R.string.action_create, 0);
     45         }
     46         for (; delta < 0; delta++) {
     47             Events.sendEvent(eventCategoryId, R.string.action_delete, 0);
     48         }
     49     }
     50 }