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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 
     17 package com.android.camera.captureintent.state;
     18 
     19 import com.google.common.base.Optional;
     20 
     21 import com.android.camera.app.AppController;
     22 import com.android.camera.async.RefCountBase;
     23 import com.android.camera.captureintent.resource.ResourceConstructed;
     24 import com.android.camera.captureintent.stateful.State;
     25 import com.android.camera.captureintent.stateful.StateImpl;
     26 
     27 import android.content.Intent;
     28 
     29 /**
     30  *
     31  */
     32 public final class StateIntentCompleted extends StateImpl {
     33     private final RefCountBase<ResourceConstructed> mResourceConstructed;
     34     private final Optional<Intent> mResultIntent;
     35 
     36     public static StateIntentCompleted from(
     37             StateSavingPicture savingPicture,
     38             RefCountBase<ResourceConstructed> resourceConstructed,
     39             Intent resultIntent) {
     40         return new StateIntentCompleted(
     41                 savingPicture, resourceConstructed, Optional.of(resultIntent));
     42     }
     43 
     44     public static StateIntentCompleted from(
     45             State previousState,
     46             RefCountBase<ResourceConstructed> resourceConstructed) {
     47         return new StateIntentCompleted(
     48                 previousState, resourceConstructed, Optional.<Intent>absent());
     49     }
     50 
     51     private StateIntentCompleted(
     52             State previousState,
     53             RefCountBase<ResourceConstructed> resourceConstructed,
     54             Optional<Intent> resultIntent) {
     55         super(previousState);
     56         mResourceConstructed = resourceConstructed;
     57         mResourceConstructed.addRef();
     58         mResultIntent = resultIntent;
     59     }
     60 
     61     @Override
     62     public Optional<State> onEnter() {
     63         final AppController appController = mResourceConstructed.get().getAppController();
     64         mResourceConstructed.get().getMainThread().execute(new Runnable() {
     65             @Override
     66             public void run() {
     67                 if (mResultIntent.isPresent()) {
     68                     appController.finishActivityWithIntentCompleted(mResultIntent.get());
     69                 } else {
     70                     appController.finishActivityWithIntentCanceled();
     71                 }
     72             }
     73         });
     74         return NO_CHANGE;
     75     }
     76 
     77     @Override
     78     public void onLeave() {
     79     }
     80 }