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      1 /*
      2  * Copyright (C) 2013 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 
     18 package android.support.v4.app;
     19 
     20 import android.R;
     21 import android.app.ActionBar;
     22 import android.app.Activity;
     23 import android.content.Context;
     24 import android.content.res.TypedArray;
     25 import android.graphics.drawable.Drawable;
     26 import android.support.annotation.RequiresApi;
     27 
     28 @RequiresApi(18)
     29 class ActionBarDrawerToggleJellybeanMR2 {
     30     private static final String TAG = "ActionBarDrawerToggleImplJellybeanMR2";
     31 
     32     private static final int[] THEME_ATTRS = new int[] {
     33             R.attr.homeAsUpIndicator
     34     };
     35 
     36     public static Object setActionBarUpIndicator(Object info, Activity activity,
     37             Drawable drawable, int contentDescRes) {
     38         final ActionBar actionBar = activity.getActionBar();
     39         if (actionBar != null) {
     40             actionBar.setHomeAsUpIndicator(drawable);
     41             actionBar.setHomeActionContentDescription(contentDescRes);
     42         }
     43         return info;
     44     }
     45 
     46     public static Object setActionBarDescription(Object info, Activity activity,
     47             int contentDescRes) {
     48         final ActionBar actionBar = activity.getActionBar();
     49         if (actionBar != null) {
     50             actionBar.setHomeActionContentDescription(contentDescRes);
     51         }
     52         return info;
     53     }
     54 
     55     public static Drawable getThemeUpIndicator(Activity activity) {
     56         final ActionBar actionBar = activity.getActionBar();
     57         final Context context;
     58         if (actionBar != null) {
     59             context = actionBar.getThemedContext();
     60         } else {
     61             context = activity;
     62         }
     63 
     64         final TypedArray a = context.obtainStyledAttributes(null, THEME_ATTRS,
     65                 R.attr.actionBarStyle, 0);
     66         final Drawable result = a.getDrawable(0);
     67         a.recycle();
     68         return result;
     69     }
     70 }
     71