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      1 /*
      2  * Copyright 2017 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 android.app.servertransaction;
     18 
     19 import static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER;
     20 import static android.view.Display.INVALID_DISPLAY;
     21 
     22 import android.app.ClientTransactionHandler;
     23 import android.content.res.Configuration;
     24 import android.os.IBinder;
     25 import android.os.Parcel;
     26 import android.os.Trace;
     27 
     28 import java.util.Objects;
     29 
     30 /**
     31  * Activity configuration changed callback.
     32  * @hide
     33  */
     34 public class ActivityConfigurationChangeItem extends ClientTransactionItem {
     35 
     36     private Configuration mConfiguration;
     37 
     38     @Override
     39     public void execute(ClientTransactionHandler client, IBinder token,
     40             PendingTransactionActions pendingActions) {
     41         // TODO(lifecycler): detect if PIP or multi-window mode changed and report it here.
     42         Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "activityConfigChanged");
     43         client.handleActivityConfigurationChanged(token, mConfiguration, INVALID_DISPLAY);
     44         Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
     45     }
     46 
     47 
     48     // ObjectPoolItem implementation
     49 
     50     private ActivityConfigurationChangeItem() {}
     51 
     52     /** Obtain an instance initialized with provided params. */
     53     public static ActivityConfigurationChangeItem obtain(Configuration config) {
     54         ActivityConfigurationChangeItem instance =
     55                 ObjectPool.obtain(ActivityConfigurationChangeItem.class);
     56         if (instance == null) {
     57             instance = new ActivityConfigurationChangeItem();
     58         }
     59         instance.mConfiguration = config;
     60 
     61         return instance;
     62     }
     63 
     64     @Override
     65     public void recycle() {
     66         mConfiguration = null;
     67         ObjectPool.recycle(this);
     68     }
     69 
     70 
     71     // Parcelable implementation
     72 
     73     /** Write to Parcel. */
     74     @Override
     75     public void writeToParcel(Parcel dest, int flags) {
     76         dest.writeTypedObject(mConfiguration, flags);
     77     }
     78 
     79     /** Read from Parcel. */
     80     private ActivityConfigurationChangeItem(Parcel in) {
     81         mConfiguration = in.readTypedObject(Configuration.CREATOR);
     82     }
     83 
     84     public static final Creator<ActivityConfigurationChangeItem> CREATOR =
     85             new Creator<ActivityConfigurationChangeItem>() {
     86         public ActivityConfigurationChangeItem createFromParcel(Parcel in) {
     87             return new ActivityConfigurationChangeItem(in);
     88         }
     89 
     90         public ActivityConfigurationChangeItem[] newArray(int size) {
     91             return new ActivityConfigurationChangeItem[size];
     92         }
     93     };
     94 
     95     @Override
     96     public boolean equals(Object o) {
     97         if (this == o) {
     98             return true;
     99         }
    100         if (o == null || getClass() != o.getClass()) {
    101             return false;
    102         }
    103         final ActivityConfigurationChangeItem other = (ActivityConfigurationChangeItem) o;
    104         return Objects.equals(mConfiguration, other.mConfiguration);
    105     }
    106 
    107     @Override
    108     public int hashCode() {
    109         return mConfiguration.hashCode();
    110     }
    111 
    112     @Override
    113     public String toString() {
    114         return "ActivityConfigurationChange{config=" + mConfiguration + "}";
    115     }
    116 }
    117