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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 android.app.ClientTransactionHandler;
     20 import android.content.res.Configuration;
     21 import android.os.IBinder;
     22 import android.os.Parcel;
     23 
     24 import java.util.Objects;
     25 
     26 /**
     27  * Multi-window mode change message.
     28  * @hide
     29  */
     30 // TODO(lifecycler): Remove the use of this and just use the configuration change message to
     31 // communicate multi-window mode change with WindowConfiguration.
     32 public class MultiWindowModeChangeItem extends ClientTransactionItem {
     33 
     34     private boolean mIsInMultiWindowMode;
     35     private Configuration mOverrideConfig;
     36 
     37     @Override
     38     public void execute(ClientTransactionHandler client, IBinder token,
     39             PendingTransactionActions pendingActions) {
     40         client.handleMultiWindowModeChanged(token, mIsInMultiWindowMode, mOverrideConfig);
     41     }
     42 
     43 
     44     // ObjectPoolItem implementation
     45 
     46     private MultiWindowModeChangeItem() {}
     47 
     48     /** Obtain an instance initialized with provided params. */
     49     public static MultiWindowModeChangeItem obtain(boolean isInMultiWindowMode,
     50             Configuration overrideConfig) {
     51         MultiWindowModeChangeItem instance = ObjectPool.obtain(MultiWindowModeChangeItem.class);
     52         if (instance == null) {
     53             instance = new MultiWindowModeChangeItem();
     54         }
     55         instance.mIsInMultiWindowMode = isInMultiWindowMode;
     56         instance.mOverrideConfig = overrideConfig;
     57 
     58         return instance;
     59     }
     60 
     61     @Override
     62     public void recycle() {
     63         mIsInMultiWindowMode = false;
     64         mOverrideConfig = null;
     65         ObjectPool.recycle(this);
     66     }
     67 
     68 
     69     // Parcelable implementation
     70 
     71     /** Write to Parcel. */
     72     @Override
     73     public void writeToParcel(Parcel dest, int flags) {
     74         dest.writeBoolean(mIsInMultiWindowMode);
     75         dest.writeTypedObject(mOverrideConfig, flags);
     76     }
     77 
     78     /** Read from Parcel. */
     79     private MultiWindowModeChangeItem(Parcel in) {
     80         mIsInMultiWindowMode = in.readBoolean();
     81         mOverrideConfig = in.readTypedObject(Configuration.CREATOR);
     82     }
     83 
     84     public static final Creator<MultiWindowModeChangeItem> CREATOR =
     85             new Creator<MultiWindowModeChangeItem>() {
     86         public MultiWindowModeChangeItem createFromParcel(Parcel in) {
     87             return new MultiWindowModeChangeItem(in);
     88         }
     89 
     90         public MultiWindowModeChangeItem[] newArray(int size) {
     91             return new MultiWindowModeChangeItem[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 MultiWindowModeChangeItem other = (MultiWindowModeChangeItem) o;
    104         return mIsInMultiWindowMode == other.mIsInMultiWindowMode
    105                 && Objects.equals(mOverrideConfig, other.mOverrideConfig);
    106     }
    107 
    108     @Override
    109     public int hashCode() {
    110         int result = 17;
    111         result = 31 * result + (mIsInMultiWindowMode ? 1 : 0);
    112         result = 31 * result + mOverrideConfig.hashCode();
    113         return result;
    114     }
    115 
    116     @Override
    117     public String toString() {
    118         return "MultiWindowModeChangeItem{isInMultiWindowMode=" + mIsInMultiWindowMode
    119                 + ",overrideConfig=" + mOverrideConfig + "}";
    120     }
    121 }
    122