AshmemMemoryChunk.smali

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

# interfaces
.implements Lcom/facebook/imagepipeline/memory/MemoryChunk;
.implements Ljava/io/Closeable;


# static fields
.field private static final TAG:Ljava/lang/String; = "AshmemMemoryChunk"


# instance fields
.field private mByteBuffer:Ljava/nio/ByteBuffer;
    .annotation runtime Ljavax/annotation/Nullable;
    .end annotation
.end field

.field private final mId:J

.field private mSharedMemory:Landroid/os/SharedMemory;
    .annotation runtime Ljavax/annotation/Nullable;
    .end annotation
.end field


# direct methods
.method public constructor <init>()V
    .registers 3

    .line 43
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    const/4 v0, 0x0

    .line 44
    iput-object v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mSharedMemory:Landroid/os/SharedMemory;

    .line 45
    iput-object v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mByteBuffer:Ljava/nio/ByteBuffer;

    .line 46
    invoke-static {p0}, Ljava/lang/System;->identityHashCode(Ljava/lang/Object;)I

    move-result v0

    int-to-long v0, v0

    iput-wide v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mId:J

    return-void
.end method

.method public constructor <init>(I)V
    .registers 4
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x10
        }
        names = {
            "size"
        }
    .end annotation

    .line 31
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    if-lez p1, :cond_7

    const/4 v0, 0x1

    goto :goto_8

    :cond_7
    const/4 v0, 0x0

    .line 32
    :goto_8
    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

    :try_start_f
    const-string v0, "AshmemMemoryChunk"

    .line 34
    invoke-static {v0, p1}, Landroid/os/SharedMemory;->create(Ljava/lang/String;I)Landroid/os/SharedMemory;

    move-result-object p1

    iput-object p1, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mSharedMemory:Landroid/os/SharedMemory;

    .line 35
    invoke-virtual {p1}, Landroid/os/SharedMemory;->mapReadWrite()Ljava/nio/ByteBuffer;

    move-result-object p1

    iput-object p1, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mByteBuffer:Ljava/nio/ByteBuffer;
    :try_end_1d
    .catch Landroid/system/ErrnoException; {:try_start_f .. :try_end_1d} :catch_25

    .line 39
    invoke-static {p0}, Ljava/lang/System;->identityHashCode(Ljava/lang/Object;)I

    move-result p1

    int-to-long v0, p1

    iput-wide v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mId:J

    return-void

    :catch_25
    move-exception p1

    .line 37
    new-instance v0, Ljava/lang/RuntimeException;

    const-string v1, "Fail to create AshmemMemory"

    invoke-direct {v0, v1, p1}, Ljava/lang/RuntimeException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw v0
.end method

.method private doCopy(ILcom/facebook/imagepipeline/memory/MemoryChunk;II)V
    .registers 7
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x10,
            0x10,
            0x10,
            0x10
        }
        names = {
            "offset",
            "other",
            "otherOffset",
            "count"
        }
    .end annotation

    .line 168
    instance-of v0, p2, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;

    if-eqz v0, :cond_3d

    .line 171
    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->isClosed()Z

    move-result v0

    xor-int/lit8 v0, v0, 0x1

    invoke-static {v0}, Lcom/facebook/common/internal/Preconditions;->checkState(Z)V

    .line 172
    invoke-interface {p2}, Lcom/facebook/imagepipeline/memory/MemoryChunk;->isClosed()Z

    move-result v0

    xor-int/lit8 v0, v0, 0x1

    invoke-static {v0}, Lcom/facebook/common/internal/Preconditions;->checkState(Z)V

    .line 173
    invoke-interface {p2}, Lcom/facebook/imagepipeline/memory/MemoryChunk;->getSize()I

    move-result v0

    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->getSize()I

    move-result v1

    invoke-static {p1, v0, p3, p4, v1}, Lcom/facebook/imagepipeline/memory/MemoryChunkUtil;->checkBounds(IIIII)V

    .line 174
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mByteBuffer:Ljava/nio/ByteBuffer;

    invoke-virtual {v0, p1}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    .line 176
    invoke-interface {p2}, Lcom/facebook/imagepipeline/memory/MemoryChunk;->getByteBuffer()Ljava/nio/ByteBuffer;

    move-result-object p1

    invoke-virtual {p1, p3}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    .line 179
    new-array p1, p4, [B

    .line 180
    iget-object p3, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mByteBuffer:Ljava/nio/ByteBuffer;

    const/4 v0, 0x0

    invoke-virtual {p3, p1, v0, p4}, Ljava/nio/ByteBuffer;->get([BII)Ljava/nio/ByteBuffer;

    .line 181
    invoke-interface {p2}, Lcom/facebook/imagepipeline/memory/MemoryChunk;->getByteBuffer()Ljava/nio/ByteBuffer;

    move-result-object p2

    invoke-virtual {p2, p1, v0, p4}, Ljava/nio/ByteBuffer;->put([BII)Ljava/nio/ByteBuffer;

    return-void

    .line 169
    :cond_3d
    new-instance p1, Ljava/lang/IllegalArgumentException;

    const-string p2, "Cannot copy two incompatible MemoryChunks"

    invoke-direct {p1, p2}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V

    throw p1
.end method


# virtual methods
.method public declared-synchronized close()V
    .registers 2

    monitor-enter p0

    .line 51
    :try_start_1
    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->isClosed()Z

    move-result v0

    if-nez v0, :cond_16

    .line 52
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mByteBuffer:Ljava/nio/ByteBuffer;

    invoke-static {v0}, Landroid/os/SharedMemory;->unmap(Ljava/nio/ByteBuffer;)V

    .line 53
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mSharedMemory:Landroid/os/SharedMemory;

    invoke-virtual {v0}, Landroid/os/SharedMemory;->close()V

    const/4 v0, 0x0

    .line 54
    iput-object v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mByteBuffer:Ljava/nio/ByteBuffer;

    .line 55
    iput-object v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mSharedMemory:Landroid/os/SharedMemory;
    :try_end_16
    .catchall {:try_start_1 .. :try_end_16} :catchall_18

    .line 57
    :cond_16
    monitor-exit p0

    return-void

    :catchall_18
    move-exception v0

    monitor-exit p0

    throw v0
.end method

.method public copy(ILcom/facebook/imagepipeline/memory/MemoryChunk;II)V
    .registers 9
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x10,
            0x10,
            0x10,
            0x10
        }
        names = {
            "offset",
            "other",
            "otherOffset",
            "count"
        }
    .end annotation

    .line 123
    invoke-static {p2}, Lcom/facebook/common/internal/Preconditions;->checkNotNull(Ljava/lang/Object;)Ljava/lang/Object;

    .line 131
    invoke-interface {p2}, Lcom/facebook/imagepipeline/memory/MemoryChunk;->getUniqueId()J

    move-result-wide v0

    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->getUniqueId()J

    move-result-wide v2

    cmp-long v0, v0, v2

    if-nez v0, :cond_4a

    const-string v0, "AshmemMemoryChunk"

    .line 134
    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    const-string v2, "Copying from AshmemMemoryChunk "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 137
    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->getUniqueId()J

    move-result-wide v2

    invoke-static {v2, v3}, Ljava/lang/Long;->toHexString(J)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    const-string v2, " to AshmemMemoryChunk "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 139
    invoke-interface {p2}, Lcom/facebook/imagepipeline/memory/MemoryChunk;->getUniqueId()J

    move-result-wide v2

    invoke-static {v2, v3}, Ljava/lang/Long;->toHexString(J)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    const-string v2, " which are the same "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    .line 134
    invoke-static {v0, v1}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    const/4 v0, 0x0

    .line 141
    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 145
    :cond_4a
    invoke-interface {p2}, Lcom/facebook/imagepipeline/memory/MemoryChunk;->getUniqueId()J

    move-result-wide v0

    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->getUniqueId()J

    move-result-wide v2

    cmp-long v0, v0, v2

    if-gez v0, :cond_64

    .line 146
    monitor-enter p2

    .line 147
    :try_start_57
    monitor-enter p0
    :try_end_58
    .catchall {:try_start_57 .. :try_end_58} :catchall_61

    .line 148
    :try_start_58
    invoke-direct {p0, p1, p2, p3, p4}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->doCopy(ILcom/facebook/imagepipeline/memory/MemoryChunk;II)V

    .line 149
    monitor-exit p0
    :try_end_5c
    .catchall {:try_start_58 .. :try_end_5c} :catchall_5e

    .line 150
    :try_start_5c
    monitor-exit p2
    :try_end_5d
    .catchall {:try_start_5c .. :try_end_5d} :catchall_61

    return-void

    :catchall_5e
    move-exception p1

    .line 149
    :try_start_5f
    monitor-exit p0
    :try_end_60
    .catchall {:try_start_5f .. :try_end_60} :catchall_5e

    :try_start_60
    throw p1

    :catchall_61
    move-exception p1

    .line 150
    monitor-exit p2
    :try_end_63
    .catchall {:try_start_60 .. :try_end_63} :catchall_61

    throw p1

    .line 155
    :cond_64
    monitor-enter p0

    .line 156
    :try_start_65
    monitor-enter p2
    :try_end_66
    .catchall {:try_start_65 .. :try_end_66} :catchall_6f

    .line 157
    :try_start_66
    invoke-direct {p0, p1, p2, p3, p4}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->doCopy(ILcom/facebook/imagepipeline/memory/MemoryChunk;II)V

    .line 158
    monitor-exit p2
    :try_end_6a
    .catchall {:try_start_66 .. :try_end_6a} :catchall_6c

    .line 159
    :try_start_6a
    monitor-exit p0
    :try_end_6b
    .catchall {:try_start_6a .. :try_end_6b} :catchall_6f

    return-void

    :catchall_6c
    move-exception p1

    .line 158
    :try_start_6d
    monitor-exit p2
    :try_end_6e
    .catchall {:try_start_6d .. :try_end_6e} :catchall_6c

    :try_start_6e
    throw p1

    :catchall_6f
    move-exception p1

    .line 159
    monitor-exit p0
    :try_end_71
    .catchall {:try_start_6e .. :try_end_71} :catchall_6f

    throw p1
.end method

.method public getByteBuffer()Ljava/nio/ByteBuffer;
    .registers 2
    .annotation runtime Ljavax/annotation/Nullable;
    .end annotation

    .line 112
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mByteBuffer:Ljava/nio/ByteBuffer;

    return-object v0
.end method

.method public getNativePtr()J
    .registers 3

    .line 106
    new-instance v0, Ljava/lang/UnsupportedOperationException;

    const-string v1, "Cannot get the pointer of an  AshmemMemoryChunk"

    invoke-direct {v0, v1}, Ljava/lang/UnsupportedOperationException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method public getSize()I
    .registers 2

    .line 66
    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->isClosed()Z

    move-result v0

    xor-int/lit8 v0, v0, 0x1

    invoke-static {v0}, Lcom/facebook/common/internal/Preconditions;->checkState(Z)V

    .line 67
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mSharedMemory:Landroid/os/SharedMemory;

    invoke-virtual {v0}, Landroid/os/SharedMemory;->getSize()I

    move-result v0

    return v0
.end method

.method public getUniqueId()J
    .registers 3

    .line 117
    iget-wide v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mId:J

    return-wide v0
.end method

.method public declared-synchronized isClosed()Z
    .registers 2

    monitor-enter p0

    .line 61
    :try_start_1
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mByteBuffer:Ljava/nio/ByteBuffer;

    if-eqz v0, :cond_c

    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mSharedMemory:Landroid/os/SharedMemory;
    :try_end_7
    .catchall {:try_start_1 .. :try_end_7} :catchall_f

    if-nez v0, :cond_a

    goto :goto_c

    :cond_a
    const/4 v0, 0x0

    goto :goto_d

    :cond_c
    :goto_c
    const/4 v0, 0x1

    :goto_d
    monitor-exit p0

    return v0

    :catchall_f
    move-exception v0

    monitor-exit p0

    throw v0
.end method

.method public declared-synchronized read(I)B
    .registers 5
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x10
        }
        names = {
            "offset"
        }
    .end annotation

    monitor-enter p0

    .line 98
    :try_start_1
    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->isClosed()Z

    move-result v0

    const/4 v1, 0x1

    const/4 v2, 0x0

    if-nez v0, :cond_b

    move v0, v1

    goto :goto_c

    :cond_b
    move v0, v2

    :goto_c
    invoke-static {v0}, Lcom/facebook/common/internal/Preconditions;->checkState(Z)V

    if-ltz p1, :cond_13

    move v0, v1

    goto :goto_14

    :cond_13
    move v0, v2

    .line 99
    :goto_14
    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 100
    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->getSize()I

    move-result v0

    if-ge p1, v0, :cond_22

    goto :goto_23

    :cond_22
    move v1, v2

    :goto_23
    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 101
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mByteBuffer:Ljava/nio/ByteBuffer;

    invoke-virtual {v0, p1}, Ljava/nio/ByteBuffer;->get(I)B

    move-result p1
    :try_end_30
    .catchall {:try_start_1 .. :try_end_30} :catchall_32

    monitor-exit p0

    return p1

    :catchall_32
    move-exception p1

    monitor-exit p0

    throw p1
.end method

.method public declared-synchronized read(I[BII)I
    .registers 7
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x10,
            0x10,
            0x10,
            0x10
        }
        names = {
            "memoryOffset",
            "byteArray",
            "byteArrayOffset",
            "count"
        }
    .end annotation

    monitor-enter p0

    .line 86
    :try_start_1
    invoke-static {p2}, Lcom/facebook/common/internal/Preconditions;->checkNotNull(Ljava/lang/Object;)Ljava/lang/Object;

    .line 87
    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->isClosed()Z

    move-result v0

    if-nez v0, :cond_c

    const/4 v0, 0x1

    goto :goto_d

    :cond_c
    const/4 v0, 0x0

    :goto_d
    invoke-static {v0}, Lcom/facebook/common/internal/Preconditions;->checkState(Z)V

    .line 88
    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->getSize()I

    move-result v0

    invoke-static {p1, p4, v0}, Lcom/facebook/imagepipeline/memory/MemoryChunkUtil;->adjustByteCount(III)I

    move-result p4

    .line 89
    array-length v0, p2

    .line 90
    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->getSize()I

    move-result v1

    .line 89
    invoke-static {p1, v0, p3, p4, v1}, Lcom/facebook/imagepipeline/memory/MemoryChunkUtil;->checkBounds(IIIII)V

    .line 91
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mByteBuffer:Ljava/nio/ByteBuffer;

    invoke-virtual {v0, p1}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    .line 92
    iget-object p1, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mByteBuffer:Ljava/nio/ByteBuffer;

    invoke-virtual {p1, p2, p3, p4}, Ljava/nio/ByteBuffer;->get([BII)Ljava/nio/ByteBuffer;
    :try_end_2a
    .catchall {:try_start_1 .. :try_end_2a} :catchall_2c

    .line 93
    monitor-exit p0

    return p4

    :catchall_2c
    move-exception p1

    monitor-exit p0

    throw p1
.end method

.method public declared-synchronized write(I[BII)I
    .registers 7
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x10,
            0x10,
            0x10,
            0x10
        }
        names = {
            "memoryOffset",
            "byteArray",
            "byteArrayOffset",
            "count"
        }
    .end annotation

    monitor-enter p0

    .line 73
    :try_start_1
    invoke-static {p2}, Lcom/facebook/common/internal/Preconditions;->checkNotNull(Ljava/lang/Object;)Ljava/lang/Object;

    .line 74
    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->isClosed()Z

    move-result v0

    if-nez v0, :cond_c

    const/4 v0, 0x1

    goto :goto_d

    :cond_c
    const/4 v0, 0x0

    :goto_d
    invoke-static {v0}, Lcom/facebook/common/internal/Preconditions;->checkState(Z)V

    .line 75
    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->getSize()I

    move-result v0

    invoke-static {p1, p4, v0}, Lcom/facebook/imagepipeline/memory/MemoryChunkUtil;->adjustByteCount(III)I

    move-result p4

    .line 76
    array-length v0, p2

    .line 77
    invoke-virtual {p0}, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->getSize()I

    move-result v1

    .line 76
    invoke-static {p1, v0, p3, p4, v1}, Lcom/facebook/imagepipeline/memory/MemoryChunkUtil;->checkBounds(IIIII)V

    .line 78
    iget-object v0, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mByteBuffer:Ljava/nio/ByteBuffer;

    invoke-virtual {v0, p1}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    .line 79
    iget-object p1, p0, Lcom/facebook/imagepipeline/memory/AshmemMemoryChunk;->mByteBuffer:Ljava/nio/ByteBuffer;

    invoke-virtual {p1, p2, p3, p4}, Ljava/nio/ByteBuffer;->put([BII)Ljava/nio/ByteBuffer;
    :try_end_2a
    .catchall {:try_start_1 .. :try_end_2a} :catchall_2c

    .line 80
    monitor-exit p0

    return p4

    :catchall_2c
    move-exception p1

    monitor-exit p0

    throw p1
.end method