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.one.v2.photo; 18 19 import android.hardware.camera2.CaptureFailure; 20 import android.hardware.camera2.TotalCaptureResult; 21 22 import com.android.camera.one.v2.camera2proxy.AndroidTotalCaptureResultProxy; 23 import com.android.camera.one.v2.camera2proxy.TotalCaptureResultProxy; 24 import com.android.camera.one.v2.core.ResponseListener; 25 import com.google.common.util.concurrent.ListenableFuture; 26 import com.google.common.util.concurrent.SettableFuture; 27 28 /** 29 * A ResponseListener which puts the result in a Future. Each instance is only 30 * good for a single (non-repeating) request. 31 */ 32 public final class MetadataFuture extends ResponseListener { 33 private final SettableFuture<TotalCaptureResultProxy> mMetadata; 34 MetadataFuture()35 public MetadataFuture() { 36 mMetadata = SettableFuture.create(); 37 } 38 39 @Override onCompleted(TotalCaptureResult result)40 public void onCompleted(TotalCaptureResult result) { 41 super.onCompleted(result); 42 mMetadata.set(new AndroidTotalCaptureResultProxy(result)); 43 } 44 45 @Override onFailed(CaptureFailure failure)46 public void onFailed(CaptureFailure failure) { 47 super.onFailed(failure); 48 if (failure.getReason() == CaptureFailure.REASON_FLUSHED) { 49 mMetadata.cancel(true); 50 } else if (failure.getReason() == CaptureFailure.REASON_ERROR) { 51 mMetadata.setException(new IllegalStateException("CaptureFailure.REASON_ERROR!")); 52 } 53 } 54 getMetadata()55 public ListenableFuture<TotalCaptureResultProxy> getMetadata() { 56 return mMetadata; 57 } 58 } 59