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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 package com.android.contacts.common.compat;
     17 
     18 import android.content.Context;
     19 import android.graphics.drawable.Drawable;
     20 import android.graphics.drawable.Icon;
     21 import android.support.annotation.Nullable;
     22 import android.telecom.PhoneAccount;
     23 import android.util.Log;
     24 
     25 /**
     26  * Compatiblity class for {@link android.telecom.PhoneAccount}
     27  */
     28 public class PhoneAccountCompat {
     29 
     30     private static final String TAG = PhoneAccountCompat.class.getSimpleName();
     31 
     32     /**
     33      * Gets the {@link Icon} associated with the given {@link PhoneAccount}
     34      *
     35      * @param phoneAccount the PhoneAccount from which to retrieve the Icon
     36      * @return the Icon, or null
     37      */
     38     @Nullable
     39     public static Icon getIcon(@Nullable PhoneAccount phoneAccount) {
     40         if (phoneAccount == null) {
     41             return null;
     42         }
     43 
     44         if (CompatUtils.isMarshmallowCompatible()) {
     45             return phoneAccount.getIcon();
     46         }
     47 
     48         return null;
     49     }
     50 
     51     /**
     52      * Builds and returns an icon {@code Drawable} to represent this {@code PhoneAccount} in a user
     53      * interface.
     54      *
     55      * @param phoneAccount the PhoneAccount from which to build the icon.
     56      * @param context A {@code Context} to use for loading Drawables.
     57      *
     58      * @return An icon for this PhoneAccount, or null
     59      */
     60     @Nullable
     61     public static Drawable createIconDrawable(@Nullable PhoneAccount phoneAccount,
     62             @Nullable Context context) {
     63         if (phoneAccount == null || context == null) {
     64             return null;
     65         }
     66 
     67         if (CompatUtils.isMarshmallowCompatible()) {
     68             return createIconDrawableMarshmallow(phoneAccount, context);
     69         }
     70 
     71         if (CompatUtils.isLollipopMr1Compatible()) {
     72             return createIconDrawableLollipopMr1(phoneAccount, context);
     73         }
     74         return null;
     75     }
     76 
     77     @Nullable
     78     private static Drawable createIconDrawableMarshmallow(PhoneAccount phoneAccount,
     79             Context context) {
     80         Icon accountIcon = getIcon(phoneAccount);
     81         if (accountIcon == null) {
     82             return null;
     83         }
     84         return accountIcon.loadDrawable(context);
     85     }
     86 
     87     @Nullable
     88     private static Drawable createIconDrawableLollipopMr1(PhoneAccount phoneAccount,
     89             Context context) {
     90         try {
     91             return (Drawable) PhoneAccount.class.getMethod("createIconDrawable", Context.class)
     92                     .invoke(phoneAccount, context);
     93         } catch (ReflectiveOperationException e) {
     94             return null;
     95         } catch (Throwable t) {
     96             Log.e(TAG, "Unexpected exception when attempting to call "
     97                     + "android.telecom.PhoneAccount#createIconDrawable", t);
     98             return null;
     99         }
    100     }
    101 }
    102