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.async.RefCountBase; 22 import com.android.camera.captureintent.CaptureIntentConfig; 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 import com.android.camera.debug.Log; 27 import com.android.camera.util.CameraUtil; 28 29 import android.content.Intent; 30 import android.graphics.Bitmap; 31 import android.net.Uri; 32 import android.os.Bundle; 33 import android.provider.MediaStore; 34 35 import java.io.IOException; 36 import java.io.OutputStream; 37 38 /** 39 * Represents a state that the module is saving the picture to disk. 40 */ 41 public class StateSavingPicture extends StateImpl { 42 private static final Log.Tag TAG = new Log.Tag("StateSavePic"); 43 44 private final RefCountBase<ResourceConstructed> mResourceConstructed; 45 private final byte[] mPictureData; 46 from( StateReviewingPicture reviewingPicture, RefCountBase<ResourceConstructed> resourceConstructed, byte[] pictureData)47 public static StateSavingPicture from( 48 StateReviewingPicture reviewingPicture, 49 RefCountBase<ResourceConstructed> resourceConstructed, 50 byte[] pictureData) { 51 return new StateSavingPicture(reviewingPicture, resourceConstructed, pictureData); 52 } 53 StateSavingPicture( State previousState, RefCountBase<ResourceConstructed> resourceConstructed, byte[] pictureData)54 private StateSavingPicture( 55 State previousState, 56 RefCountBase<ResourceConstructed> resourceConstructed, 57 byte[] pictureData) { 58 super(previousState); 59 mResourceConstructed = resourceConstructed; 60 mResourceConstructed.addRef(); // Will be balanced in onLeave(). 61 mPictureData = pictureData; 62 } 63 64 @Override onEnter()65 public Optional<State> onEnter() { 66 /** 67 * The caller may pass an extra EXTRA_OUTPUT to control where this 68 * image will be written. If the EXTRA_OUTPUT is not present, then 69 * a small sized image is returned as a Bitmap object in the extra 70 * field. This is useful for applications that only need a small 71 * image. If the EXTRA_OUTPUT is present, then the full-sized image 72 * will be written to the Uri value of EXTRA_OUTPUT. 73 */ 74 Optional<Uri> saveUri = Optional.absent(); 75 final Bundle myExtras = mResourceConstructed.get().getIntent().getExtras(); 76 if (myExtras != null) { 77 saveUri = Optional.of((Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT)); 78 String cropValue = myExtras.getString("crop"); 79 } 80 81 if (saveUri.isPresent()) { 82 OutputStream outputStream = null; 83 try { 84 outputStream = mResourceConstructed.get().getContext().getContentResolver() 85 .openOutputStream(saveUri.get()); 86 outputStream.write(mPictureData); 87 outputStream.close(); 88 89 Log.v(TAG, "saved result to URI: " + saveUri); 90 return Optional.of((State) StateIntentCompleted.from( 91 this, mResourceConstructed, new Intent())); 92 } catch (IOException ex) { 93 Log.e(TAG, "exception while saving result to URI: " + saveUri, ex); 94 } finally { 95 CameraUtil.closeSilently(outputStream); 96 } 97 } else { 98 /** Inline the bitmap into capture intent result */ 99 final Bitmap bitmap = CameraUtil.makeBitmap( 100 mPictureData, CaptureIntentConfig.INLINE_BITMAP_MAX_PIXEL_NUM); 101 return Optional.of((State) StateIntentCompleted.from( 102 this, mResourceConstructed, 103 new Intent("inline-data").putExtra("data", bitmap))); 104 } 105 return Optional.of((State) StateIntentCompleted.from(this, mResourceConstructed)); 106 } 107 108 @Override onLeave()109 public void onLeave() { 110 mResourceConstructed.close(); 111 } 112 }