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Diffstat (limited to 'src/com/android/photos/data/MediaCacheUtils.java')
-rw-r--r--src/com/android/photos/data/MediaCacheUtils.java167
1 files changed, 0 insertions, 167 deletions
diff --git a/src/com/android/photos/data/MediaCacheUtils.java b/src/com/android/photos/data/MediaCacheUtils.java
deleted file mode 100644
index e3ccd1402..000000000
--- a/src/com/android/photos/data/MediaCacheUtils.java
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.photos.data;
-
-import android.content.Context;
-import android.content.res.Resources;
-import android.graphics.Bitmap;
-import android.graphics.Bitmap.CompressFormat;
-import android.graphics.BitmapFactory;
-import android.util.Log;
-import android.util.Pools.SimplePool;
-import android.util.Pools.SynchronizedPool;
-
-import com.android.gallery3d.R;
-import com.android.gallery3d.common.BitmapUtils;
-import com.android.gallery3d.common.Utils;
-import com.android.gallery3d.data.DecodeUtils;
-import com.android.gallery3d.data.MediaItem;
-import com.android.gallery3d.util.ThreadPool.CancelListener;
-import com.android.gallery3d.util.ThreadPool.JobContext;
-import com.android.photos.data.MediaRetriever.MediaSize;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-
-public class MediaCacheUtils {
- private static final String TAG = MediaCacheUtils.class.getSimpleName();
- private static int QUALITY = 80;
- private static final int BUFFER_SIZE = 4096;
- private static final SimplePool<byte[]> mBufferPool = new SynchronizedPool<byte[]>(5);
-
- private static final JobContext sJobStub = new JobContext() {
-
- @Override
- public boolean isCancelled() {
- return false;
- }
-
- @Override
- public void setCancelListener(CancelListener listener) {
- }
-
- @Override
- public boolean setMode(int mode) {
- return true;
- }
- };
-
- private static int mTargetThumbnailSize;
- private static int mTargetPreviewSize;
-
- public static void initialize(Context context) {
- Resources resources = context.getResources();
- mTargetThumbnailSize = resources.getDimensionPixelSize(R.dimen.size_thumbnail);
- mTargetPreviewSize = resources.getDimensionPixelSize(R.dimen.size_preview);
- }
-
- public static int getTargetSize(MediaSize size) {
- return (size == MediaSize.Thumbnail) ? mTargetThumbnailSize : mTargetPreviewSize;
- }
-
- public static boolean downsample(File inBitmap, MediaSize targetSize, File outBitmap) {
- if (MediaSize.Original == targetSize) {
- return false; // MediaCache should use the local path for this.
- }
- int size = getTargetSize(targetSize);
- BitmapFactory.Options options = new BitmapFactory.Options();
- options.inPreferredConfig = Bitmap.Config.ARGB_8888;
- // TODO: remove unnecessary job context from DecodeUtils.
- Bitmap bitmap = DecodeUtils.decodeThumbnail(sJobStub, inBitmap.getPath(), options, size,
- MediaItem.TYPE_THUMBNAIL);
- boolean success = (bitmap != null);
- if (success) {
- success = writeAndRecycle(bitmap, outBitmap);
- }
- return success;
- }
-
- public static boolean downsample(Bitmap inBitmap, MediaSize size, File outBitmap) {
- if (MediaSize.Original == size) {
- return false; // MediaCache should use the local path for this.
- }
- int targetSize = getTargetSize(size);
- boolean success;
- if (!needsDownsample(inBitmap, size)) {
- success = writeAndRecycle(inBitmap, outBitmap);
- } else {
- float maxDimension = Math.max(inBitmap.getWidth(), inBitmap.getHeight());
- float scale = targetSize / maxDimension;
- int targetWidth = Math.round(scale * inBitmap.getWidth());
- int targetHeight = Math.round(scale * inBitmap.getHeight());
- Bitmap scaled = Bitmap.createScaledBitmap(inBitmap, targetWidth, targetHeight, false);
- success = writeAndRecycle(scaled, outBitmap);
- inBitmap.recycle();
- }
- return success;
- }
-
- public static boolean extractImageFromVideo(File inVideo, File outBitmap) {
- Bitmap bitmap = BitmapUtils.createVideoThumbnail(inVideo.getPath());
- return writeAndRecycle(bitmap, outBitmap);
- }
-
- public static boolean needsDownsample(Bitmap bitmap, MediaSize size) {
- if (size == MediaSize.Original) {
- return false;
- }
- int targetSize = getTargetSize(size);
- int maxDimension = Math.max(bitmap.getWidth(), bitmap.getHeight());
- return maxDimension > (targetSize * 4 / 3);
- }
-
- public static boolean writeAndRecycle(Bitmap bitmap, File outBitmap) {
- boolean success = writeToFile(bitmap, outBitmap);
- bitmap.recycle();
- return success;
- }
-
- public static boolean writeToFile(Bitmap bitmap, File outBitmap) {
- boolean success = false;
- try {
- FileOutputStream out = new FileOutputStream(outBitmap);
- success = bitmap.compress(CompressFormat.JPEG, QUALITY, out);
- out.close();
- } catch (IOException e) {
- Log.w(TAG, "Couldn't write bitmap to cache", e);
- // success is already false
- }
- return success;
- }
-
- public static int copyStream(InputStream in, OutputStream out) throws IOException {
- byte[] buffer = mBufferPool.acquire();
- if (buffer == null) {
- buffer = new byte[BUFFER_SIZE];
- }
- try {
- int totalWritten = 0;
- int bytesRead;
- while ((bytesRead = in.read(buffer)) >= 0) {
- out.write(buffer, 0, bytesRead);
- totalWritten += bytesRead;
- }
- return totalWritten;
- } finally {
- Utils.closeSilently(in);
- Utils.closeSilently(out);
- mBufferPool.release(buffer);
- }
- }
-}