Home | History | Annotate | Download | only in servertransaction 
      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 
     21 import android.app.ClientTransactionHandler;
     22 import android.os.IBinder;
     23 import android.os.Parcel;
     24 import android.os.Trace;
     25 
     26 /**
     27  * Request to move an activity to stopped state.
     28  * @hide
     29  */
     30 public class StopActivityItem extends ActivityLifecycleItem {
     31 
     32     private static final String TAG = "StopActivityItem";
     33 
     34     private boolean mShowWindow;
     35     private int mConfigChanges;
     36 
     37     @Override
     38     public void execute(ClientTransactionHandler client, IBinder token,
     39             PendingTransactionActions pendingActions) {
     40         Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "activityStop");
     41         client.handleStopActivity(token, mShowWindow, mConfigChanges, pendingActions,
     42                 true /* finalStateRequest */, "STOP_ACTIVITY_ITEM");
     43         Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
     44     }
     45 
     46     @Override
     47     public void postExecute(ClientTransactionHandler client, IBinder token,
     48             PendingTransactionActions pendingActions) {
     49         client.reportStop(pendingActions);
     50     }
     51 
     52     @Override
     53     public int getTargetState() {
     54         return ON_STOP;
     55     }
     56 
     57 
     58     // ObjectPoolItem implementation
     59 
     60     private StopActivityItem() {}
     61 
     62     /** Obtain an instance initialized with provided params. */
     63     public static StopActivityItem obtain(boolean showWindow, int configChanges) {
     64         StopActivityItem instance = ObjectPool.obtain(StopActivityItem.class);
     65         if (instance == null) {
     66             instance = new StopActivityItem();
     67         }
     68         instance.mShowWindow = showWindow;
     69         instance.mConfigChanges = configChanges;
     70 
     71         return instance;
     72     }
     73 
     74     @Override
     75     public void recycle() {
     76         super.recycle();
     77         mShowWindow = false;
     78         mConfigChanges = 0;
     79         ObjectPool.recycle(this);
     80     }
     81 
     82 
     83     // Parcelable implementation
     84 
     85     /** Write to Parcel. */
     86     @Override
     87     public void writeToParcel(Parcel dest, int flags) {
     88         dest.writeBoolean(mShowWindow);
     89         dest.writeInt(mConfigChanges);
     90     }
     91 
     92     /** Read from Parcel. */
     93     private StopActivityItem(Parcel in) {
     94         mShowWindow = in.readBoolean();
     95         mConfigChanges = in.readInt();
     96     }
     97 
     98     public static final Creator<StopActivityItem> CREATOR =
     99             new Creator<StopActivityItem>() {
    100         public StopActivityItem createFromParcel(Parcel in) {
    101             return new StopActivityItem(in);
    102         }
    103 
    104         public StopActivityItem[] newArray(int size) {
    105             return new StopActivityItem[size];
    106         }
    107     };
    108 
    109     @Override
    110     public boolean equals(Object o) {
    111         if (this == o) {
    112             return true;
    113         }
    114         if (o == null || getClass() != o.getClass()) {
    115             return false;
    116         }
    117         final StopActivityItem other = (StopActivityItem) o;
    118         return mShowWindow == other.mShowWindow && mConfigChanges == other.mConfigChanges;
    119     }
    120 
    121     @Override
    122     public int hashCode() {
    123         int result = 17;
    124         result = 31 * result + (mShowWindow ? 1 : 0);
    125         result = 31 * result + mConfigChanges;
    126         return result;
    127     }
    128 
    129     @Override
    130     public String toString() {
    131         return "StopActivityItem{showWindow=" + mShowWindow + ",configChanges=" + mConfigChanges
    132                 + "}";
    133     }
    134 }
    135