SharedByteArray.smali

.class public Lcom/facebook/imagepipeline/memory/SharedByteArray;
.super Ljava/lang/Object;
.source "SharedByteArray.java"

# interfaces
.implements Lcom/facebook/common/memory/MemoryTrimmable;


# instance fields
.field final mByteArraySoftRef:Lcom/facebook/common/references/OOMSoftReference;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "Lcom/facebook/common/references/OOMSoftReference<",
            "[B>;"
        }
    .end annotation
.end field

.field final mMaxByteArraySize:I

.field final mMinByteArraySize:I

.field private final mResourceReleaser:Lcom/facebook/common/references/ResourceReleaser;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "Lcom/facebook/common/references/ResourceReleaser<",
            "[B>;"
        }
    .end annotation
.end field

.field final mSemaphore:Ljava/util/concurrent/Semaphore;


# direct methods
.method public constructor <init>(Lcom/facebook/common/memory/MemoryTrimmableRegistry;Lcom/facebook/imagepipeline/memory/PoolParams;)V
    .registers 7
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x0,
            0x0
        }
        names = {
            "memoryTrimmableRegistry",
            "params"
        }
    .end annotation

    .line 55
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 56
    invoke-static {p1}, Lcom/facebook/common/internal/Preconditions;->checkNotNull(Ljava/lang/Object;)Ljava/lang/Object;

    .line 57
    iget v0, p2, Lcom/facebook/imagepipeline/memory/PoolParams;->minBucketSize:I

    const/4 v1, 0x0

    const/4 v2, 0x1

    if-lez v0, :cond_e

    move v0, v2

    goto :goto_f

    :cond_e
    move v0, v1

    :goto_f
    invoke-static {v0}, Ljava/lang/Boolean;->valueOf(Z)Ljava/lang/Boolean;

    move-result-object v0

    invoke-static {v0}, Lcom/facebook/common/internal/Preconditions;->checkArgument(Ljava/lang/Boolean;)V

    .line 58
    iget v0, p2, Lcom/facebook/imagepipeline/memory/PoolParams;->maxBucketSize:I

    iget v3, p2, Lcom/facebook/imagepipeline/memory/PoolParams;->minBucketSize:I

    if-lt v0, v3, :cond_1d

    move v1, v2

    :cond_1d
    invoke-static {v1}, Ljava/lang/Boolean;->valueOf(Z)Ljava/lang/Boolean;

    move-result-object v0

    invoke-static {v0}, Lcom/facebook/common/internal/Preconditions;->checkArgument(Ljava/lang/Boolean;)V

    .line 60
    iget v0, p2, Lcom/facebook/imagepipeline/memory/PoolParams;->maxBucketSize:I

    iput v0, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mMaxByteArraySize:I

    .line 61
    iget p2, p2, Lcom/facebook/imagepipeline/memory/PoolParams;->minBucketSize:I

    iput p2, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mMinByteArraySize:I

    .line 62
    new-instance p2, Lcom/facebook/common/references/OOMSoftReference;

    invoke-direct {p2}, Lcom/facebook/common/references/OOMSoftReference;-><init>()V

    iput-object p2, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mByteArraySoftRef:Lcom/facebook/common/references/OOMSoftReference;

    .line 63
    new-instance p2, Ljava/util/concurrent/Semaphore;

    invoke-direct {p2, v2}, Ljava/util/concurrent/Semaphore;-><init>(I)V

    iput-object p2, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mSemaphore:Ljava/util/concurrent/Semaphore;

    .line 64
    new-instance p2, Lcom/facebook/imagepipeline/memory/SharedByteArray$1;

    invoke-direct {p2, p0}, Lcom/facebook/imagepipeline/memory/SharedByteArray$1;-><init>(Lcom/facebook/imagepipeline/memory/SharedByteArray;)V

    iput-object p2, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mResourceReleaser:Lcom/facebook/common/references/ResourceReleaser;

    .line 72
    invoke-interface {p1, p0}, Lcom/facebook/common/memory/MemoryTrimmableRegistry;->registerMemoryTrimmable(Lcom/facebook/common/memory/MemoryTrimmable;)V

    return-void
.end method

.method private declared-synchronized allocateByteArray(I)[B
    .registers 3
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x0
        }
        names = {
            "size"
        }
    .end annotation

    monitor-enter p0

    .line 129
    :try_start_1
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mByteArraySoftRef:Lcom/facebook/common/references/OOMSoftReference;

    invoke-virtual {v0}, Lcom/facebook/common/references/OOMSoftReference;->clear()V

    .line 130
    new-array p1, p1, [B

    .line 131
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mByteArraySoftRef:Lcom/facebook/common/references/OOMSoftReference;

    invoke-virtual {v0, p1}, Lcom/facebook/common/references/OOMSoftReference;->set(Ljava/lang/Object;)V
    :try_end_d
    .catchall {:try_start_1 .. :try_end_d} :catchall_f

    .line 132
    monitor-exit p0

    return-object p1

    :catchall_f
    move-exception p1

    monitor-exit p0

    throw p1
.end method

.method private getByteArray(I)[B
    .registers 4
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x0
        }
        names = {
            "requestedSize"
        }
    .end annotation

    .line 95
    invoke-virtual {p0, p1}, Lcom/facebook/imagepipeline/memory/SharedByteArray;->getBucketedSize(I)I

    move-result p1

    .line 96
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mByteArraySoftRef:Lcom/facebook/common/references/OOMSoftReference;

    invoke-virtual {v0}, Lcom/facebook/common/references/OOMSoftReference;->get()Ljava/lang/Object;

    move-result-object v0

    check-cast v0, [B

    if-eqz v0, :cond_11

    .line 97
    array-length v1, v0

    if-ge v1, p1, :cond_15

    .line 98
    :cond_11
    invoke-direct {p0, p1}, Lcom/facebook/imagepipeline/memory/SharedByteArray;->allocateByteArray(I)[B

    move-result-object v0

    :cond_15
    return-object v0
.end method


# virtual methods
.method public get(I)Lcom/facebook/common/references/CloseableReference;
    .registers 6
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x0
        }
        names = {
            "size"
        }
    .end annotation

    .annotation system Ldalvik/annotation/Signature;
        value = {
            "(I)",
            "Lcom/facebook/common/references/CloseableReference<",
            "[B>;"
        }
    .end annotation

    const/4 v0, 0x1

    const/4 v1, 0x0

    if-lez p1, :cond_6

    move v2, v0

    goto :goto_7

    :cond_6
    move v2, v1

    :goto_7
    const-string v3, "Size must be greater than zero"

    .line 82
    invoke-static {v2, v3}, Lcom/facebook/common/internal/Preconditions;->checkArgument(ZLjava/lang/Object;)V

    .line 83
    iget v2, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mMaxByteArraySize:I

    if-gt p1, v2, :cond_11

    goto :goto_12

    :cond_11
    move v0, v1

    :goto_12
    const-string v1, "Requested size is too big"

    invoke-static {v0, v1}, Lcom/facebook/common/internal/Preconditions;->checkArgument(ZLjava/lang/Object;)V

    .line 84
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mSemaphore:Ljava/util/concurrent/Semaphore;

    invoke-virtual {v0}, Ljava/util/concurrent/Semaphore;->acquireUninterruptibly()V

    .line 86
    :try_start_1c
    invoke-direct {p0, p1}, Lcom/facebook/imagepipeline/memory/SharedByteArray;->getByteArray(I)[B

    move-result-object p1

    .line 87
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mResourceReleaser:Lcom/facebook/common/references/ResourceReleaser;

    invoke-static {p1, v0}, Lcom/facebook/common/references/CloseableReference;->of(Ljava/lang/Object;Lcom/facebook/common/references/ResourceReleaser;)Lcom/facebook/common/references/CloseableReference;

    move-result-object p1
    :try_end_26
    .catchall {:try_start_1c .. :try_end_26} :catchall_27

    return-object p1

    :catchall_27
    move-exception p1

    .line 89
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mSemaphore:Ljava/util/concurrent/Semaphore;

    invoke-virtual {v0}, Ljava/util/concurrent/Semaphore;->release()V

    .line 90
    invoke-static {p1}, Lcom/facebook/common/internal/Throwables;->propagate(Ljava/lang/Throwable;)Ljava/lang/RuntimeException;

    move-result-object p1

    throw p1
.end method

.method getBucketedSize(I)I
    .registers 3
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x0
        }
        names = {
            "size"
        }
    .end annotation

    .line 123
    iget v0, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mMinByteArraySize:I

    invoke-static {p1, v0}, Ljava/lang/Math;->max(II)I

    move-result p1

    add-int/lit8 p1, p1, -0x1

    .line 124
    invoke-static {p1}, Ljava/lang/Integer;->highestOneBit(I)I

    move-result p1

    mul-int/lit8 p1, p1, 0x2

    return p1
.end method

.method public trim(Lcom/facebook/common/memory/MemoryTrimType;)V
    .registers 3
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x0
        }
        names = {
            "trimType"
        }
    .end annotation

    .line 111
    iget-object p1, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mSemaphore:Ljava/util/concurrent/Semaphore;

    invoke-virtual {p1}, Ljava/util/concurrent/Semaphore;->tryAcquire()Z

    move-result p1

    if-nez p1, :cond_9

    return-void

    .line 115
    :cond_9
    :try_start_9
    iget-object p1, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mByteArraySoftRef:Lcom/facebook/common/references/OOMSoftReference;

    invoke-virtual {p1}, Lcom/facebook/common/references/OOMSoftReference;->clear()V
    :try_end_e
    .catchall {:try_start_9 .. :try_end_e} :catchall_14

    .line 117
    iget-object p1, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mSemaphore:Ljava/util/concurrent/Semaphore;

    invoke-virtual {p1}, Ljava/util/concurrent/Semaphore;->release()V

    return-void

    :catchall_14
    move-exception p1

    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/SharedByteArray;->mSemaphore:Ljava/util/concurrent/Semaphore;

    invoke-virtual {v0}, Ljava/util/concurrent/Semaphore;->release()V

    .line 118
    throw p1
.end method