1d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd/* 2d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Copyright (C) 2015 The Android Open Source Project 3d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 4d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Licensed under the Apache License, Version 2.0 (the "License"); 5d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * you may not use this file except in compliance with the License. 6d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * You may obtain a copy of the License at 7d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 8d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * http://www.apache.org/licenses/LICENSE-2.0 9d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 10d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Unless required by applicable law or agreed to in writing, software 11d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * distributed under the License is distributed on an "AS IS" BASIS, 12d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * See the License for the specific language governing permissions and 14d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * limitations under the License. 15d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 16d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddpackage com.android.messaging.datamodel.media; 17d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 18d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.content.res.Resources; 19d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.graphics.Bitmap; 20d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.graphics.drawable.Drawable; 21d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.media.ExifInterface; 22d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.support.rastermill.FrameSequence; 23d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.support.rastermill.FrameSequenceDrawable; 24d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 25d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport com.android.messaging.util.Assert; 26d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 27d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport java.io.IOException; 28d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport java.io.InputStream; 29d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 30d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddpublic class GifImageResource extends ImageResource { 31d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd private FrameSequence mFrameSequence; 32d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 33d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public GifImageResource(String key, FrameSequence frameSequence) { 34d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // GIF does not support exif tags 35d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd super(key, ExifInterface.ORIENTATION_NORMAL); 36d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mFrameSequence = frameSequence; 37d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 38d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 39d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public static GifImageResource createGifImageResource(String key, InputStream inputStream) { 40d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final FrameSequence frameSequence; 41d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd try { 42d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd frameSequence = FrameSequence.decodeStream(inputStream); 43d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } finally { 44d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd try { 45d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd inputStream.close(); 46d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } catch (IOException e) { 47d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // Nothing to do if we fail closing the stream 48d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 49d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 50d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (frameSequence == null) { 51d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return null; 52d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 53d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return new GifImageResource(key, frameSequence); 54d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 55d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 56d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 57d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public Drawable getDrawable(Resources resources) { 58d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return new FrameSequenceDrawable(mFrameSequence); 59d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 60d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 61d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 62d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public Bitmap getBitmap() { 63d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd Assert.fail("GetBitmap() should never be called on a gif."); 64d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return null; 65d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 66d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 67d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 68d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public byte[] getBytes() { 69d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd Assert.fail("GetBytes() should never be called on a gif."); 70d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return null; 71d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 72d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 73d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 74d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public Bitmap reuseBitmap() { 75d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return null; 76d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 77d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 78d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 79d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public boolean supportsBitmapReuse() { 80d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // FrameSequenceDrawable a.) takes two bitmaps and thus does not fit into the current 81d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // bitmap pool architecture b.) will rarely use bitmaps from one FrameSequenceDrawable to 82d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // the next that are the same sizes since they are used by attachments. 83d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return false; 84d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 85d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 86d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 87d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public int getMediaSize() { 88d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd Assert.fail("GifImageResource should not be used by a media cache"); 89d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // Only used by the media cache, which this does not use. 90d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return 0; 91d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 92d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 93d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 94d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public boolean isCacheable() { 95d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return false; 96d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 97d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 98d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 99d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd protected void close() { 100d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd acquireLock(); 101d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd try { 102d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (mFrameSequence != null) { 103d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mFrameSequence = null; 104d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 105d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } finally { 106d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd releaseLock(); 107d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 108d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 109d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 110d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd} 111