1 files changed, 0 insertions, 161 deletions
diff --git a/src/com/android/photos/data/GalleryBitmapPool.java b/src/com/android/photos/data/GalleryBitmapPool.java
deleted file mode 100644
index 390a0d42f..000000000
--- a/src/com/android/photos/data/GalleryBitmapPool.java
+++ /dev/null
@@ -1,161 +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.graphics.Bitmap;
-import android.graphics.Point;
-import android.util.Pools.Pool;
-import android.util.Pools.SynchronizedPool;
-
-import com.android.photos.data.SparseArrayBitmapPool.Node;
-
-/**
- * Pool allowing the efficient reuse of bitmaps in order to avoid long
- * garbage collection pauses.
- */
-public class GalleryBitmapPool {
-
-    private static final int CAPACITY_BYTES = 20971520;
-
-    // We found that Gallery uses bitmaps that are either square (for example,
-    // tiles of large images or square thumbnails), match one of the common
-    // photo aspect ratios (4x3, 3x2, or 16x9), or, less commonly, are of some
-    // other aspect ratio. Taking advantage of this information, we use 3
-    // SparseArrayBitmapPool instances to back the GalleryBitmapPool, which affords
-    // O(1) lookups for square bitmaps, and average-case - but *not* asymptotically -
-    // O(1) lookups for common photo aspect ratios and other miscellaneous aspect
-    // ratios. Beware of the pathological case where there are many bitmaps added
-    // to the pool with different non-square aspect ratios but the same width, as
-    // performance will degrade and the average case lookup will approach
-    // O(# of different aspect ratios).
-    private static final int POOL_INDEX_NONE = -1;
-    private static final int POOL_INDEX_SQUARE = 0;
-    private static final int POOL_INDEX_PHOTO = 1;
-    private static final int POOL_INDEX_MISC = 2;
-
-    private static final Point[] COMMON_PHOTO_ASPECT_RATIOS =
-        { new Point(4, 3), new Point(3, 2), new Point(16, 9) };
-
-    private int mCapacityBytes;
-    private SparseArrayBitmapPool [] mPools;
-    private Pool<Node> mSharedNodePool = new SynchronizedPool<Node>(128);
-
-    private GalleryBitmapPool(int capacityBytes) {
-        mPools = new SparseArrayBitmapPool[3];
-        mPools[POOL_INDEX_SQUARE] = new SparseArrayBitmapPool(capacityBytes / 3, mSharedNodePool);
-        mPools[POOL_INDEX_PHOTO] = new SparseArrayBitmapPool(capacityBytes / 3, mSharedNodePool);
-        mPools[POOL_INDEX_MISC] = new SparseArrayBitmapPool(capacityBytes / 3, mSharedNodePool);
-        mCapacityBytes = capacityBytes;
-    }
-
-    private static GalleryBitmapPool sInstance = new GalleryBitmapPool(CAPACITY_BYTES);
-
-    public static GalleryBitmapPool getInstance() {
-        return sInstance;
-    }
-
-    private SparseArrayBitmapPool getPoolForDimensions(int width, int height) {
-        int index = getPoolIndexForDimensions(width, height);
-        if (index == POOL_INDEX_NONE) {
-            return null;
-        } else {
-            return mPools[index];
-        }
-    }
-
-    private int getPoolIndexForDimensions(int width, int height) {
-        if (width <= 0 || height <= 0) {
-            return POOL_INDEX_NONE;
-        }
-        if (width == height) {
-            return POOL_INDEX_SQUARE;
-        }
-        int min, max;
-        if (width > height) {
-            min = height;
-            max = width;
-        } else {
-            min = width;
-            max = height;
-        }
-        for (Point ar : COMMON_PHOTO_ASPECT_RATIOS) {
-            if (min * ar.x == max * ar.y) {
-                return POOL_INDEX_PHOTO;
-            }
-        }
-        return POOL_INDEX_MISC;
-    }
-
-    /**
-     * @return Capacity of the pool in bytes.
-     */
-    public synchronized int getCapacity() {
-        return mCapacityBytes;
-    }
-
-    /**
-     * @return Approximate total size in bytes of the bitmaps stored in the pool.
-     */
-    public int getSize() {
-        // Note that this only returns an approximate size, since multiple threads
-        // might be getting and putting Bitmaps from the pool and we lock at the
-        // sub-pool level to avoid unnecessary blocking.
-        int total = 0;
-        for (SparseArrayBitmapPool p : mPools) {
-            total += p.getSize();
-        }
-        return total;
-    }
-
-    /**
-     * @return Bitmap from the pool with the desired height/width or null if none available.
-     */
-    public Bitmap get(int width, int height) {
-        SparseArrayBitmapPool pool = getPoolForDimensions(width, height);
-        if (pool == null) {
-            return null;
-        } else {
-            return pool.get(width, height);
-        }
-    }
-
-    /**
-     * Adds the given bitmap to the pool.
-     * @return Whether the bitmap was added to the pool.
-     */
-    public boolean put(Bitmap b) {
-        if (b == null || b.getConfig() != Bitmap.Config.ARGB_8888) {
-            return false;
-        }
-        SparseArrayBitmapPool pool = getPoolForDimensions(b.getWidth(), b.getHeight());
-        if (pool == null) {
-            b.recycle();
-            return false;
-        } else {
-            return pool.put(b);
-        }
-    }
-
-    /**
-     * Empty the pool, recycling all the bitmaps currently in it.
-     */
-    public void clear() {
-        for (SparseArrayBitmapPool p : mPools) {
-            p.clear();
-        }
-    }
-}