blob_data.cc | Explore in Territory

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#include "third_party/blink/renderer/platform/blob/blob_data.h"

#include <memory>
#include <utility>

#include "base/containers/span.h"
#include "base/memory/ptr_util.h"
#include "base/memory/scoped_refptr.h"
#include "base/task/single_thread_task_runner.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/network/public/mojom/data_pipe_getter.mojom-blink.h"
#include "third_party/blink/public/common/thread_safe_browser_interface_broker_proxy.h"
#include "third_party/blink/public/mojom/blob/blob.mojom-blink.h"
#include "third_party/blink/public/mojom/blob/blob_registry.mojom-blink.h"
#include "third_party/blink/public/mojom/blob/data_element.mojom-blink.h"
#include "third_party/blink/public/mojom/blob/file_backed_blob_factory.mojom-blink.h"
#include "third_party/blink/public/platform/file_path_conversion.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/platform/blob/blob_bytes_provider.h"
#include "third_party/blink/renderer/platform/instrumentation/tracing/trace_event.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_functional.h"
#include "third_party/blink/renderer/platform/wtf/text/line_ending.h"
#include "third_party/blink/renderer/platform/wtf/text/text_encoding.h"
#include "third_party/blink/renderer/platform/wtf/thread_specific.h"
#include "third_party/blink/renderer/platform/wtf/uuid.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"

namespace blink {

BytesProvider;
DataElement;
DataElementBlob;
DataElementBytes;
DataElementBytesPtr;
DataElementFile;
DataElementPtr;

namespace {

// http://dev.w3.org/2006/webapi/FileAPI/#constructorBlob
bool IsValidBlobType(const String& type) { … }

mojom::blink::BlobRegistry* g_blob_registry_for_testing = …;

mojom::blink::BlobRegistry* GetThreadSpecificRegistry() { … }

}  // namespace

constexpr int64_t BlobData::kToEndOfFile;

RawData::RawData() = default;

BlobData::BlobData(FileCompositionStatus composition)
    : … { … }

BlobData::~BlobData() = default;

Vector<mojom::blink::DataElementPtr> BlobData::ReleaseElements() { … }

void BlobData::SetContentType(const String& content_type) { … }

void BlobData::AppendData(scoped_refptr<RawData> data) { … }

void BlobData::AppendBlob(scoped_refptr<BlobDataHandle> data_handle,
                          int64_t offset,
                          int64_t length) { … }

void BlobData::AppendText(const String& text,
                          bool do_normalize_line_endings_to_native) { … }

void BlobData::AppendBytes(base::span<const uint8_t> bytes) { … }

uint64_t BlobData::length() const { … }

void BlobData::AppendDataInternal(base::span<const char> data,
                                  scoped_refptr<RawData> raw_data) { … }

// static
scoped_refptr<BlobDataHandle> BlobDataHandle::CreateForFile(
    mojom::blink::FileBackedBlobFactory* file_backed_blob_factory,
    const String& path,
    int64_t offset,
    int64_t length,
    const std::optional<base::Time>& expected_modification_time,
    const String& content_type) { … }

// static
scoped_refptr<BlobDataHandle> BlobDataHandle::CreateForFileSync(
    mojom::blink::FileBackedBlobFactory* file_backed_blob_factory,
    const String& path,
    int64_t offset,
    int64_t length,
    const std::optional<base::Time>& expected_modification_time,
    const String& content_type) { … }

// static
scoped_refptr<BlobDataHandle> BlobDataHandle::Create(
    const String& uuid,
    const String& type,
    uint64_t size,
    mojo::PendingRemote<mojom::blink::Blob> blob_remote) { … }

BlobDataHandle::BlobDataHandle()
    : … { … }

BlobDataHandle::BlobDataHandle(std::unique_ptr<BlobData> data, uint64_t size)
    : … { … }

BlobDataHandle::BlobDataHandle(
    mojom::blink::FileBackedBlobFactory* file_backed_blob_factory,
    mojom::blink::DataElementFilePtr file_element,
    const String& content_type,
    uint64_t size,
    bool synchronous_register)
    : … { … }

BlobDataHandle::BlobDataHandle(const String& uuid,
                               const String& type,
                               uint64_t size)
    : … { … }

BlobDataHandle::BlobDataHandle(
    const String& uuid,
    const String& type,
    uint64_t size,
    mojo::PendingRemote<mojom::blink::Blob> blob_remote)
    : … { … }

BlobDataHandle::~BlobDataHandle() = default;

mojo::PendingRemote<mojom::blink::Blob> BlobDataHandle::CloneBlobRemote() { … }

void BlobDataHandle::CloneBlobRemote(
    mojo::PendingReceiver<mojom::blink::Blob> receiver) { … }

mojo::PendingRemote<network::mojom::blink::DataPipeGetter>
BlobDataHandle::AsDataPipeGetter() { … }

void BlobDataHandle::ReadAll(
    mojo::ScopedDataPipeProducerHandle pipe,
    mojo::PendingRemote<mojom::blink::BlobReaderClient> client) { … }

void BlobDataHandle::ReadRange(
    uint64_t offset,
    uint64_t length,
    mojo::ScopedDataPipeProducerHandle pipe,
    mojo::PendingRemote<mojom::blink::BlobReaderClient> client) { … }

bool BlobDataHandle::CaptureSnapshot(
    uint64_t* snapshot_size,
    std::optional<base::Time>* snapshot_modification_time) { … }

// static
mojom::blink::BlobRegistry* BlobDataHandle::GetBlobRegistry() { … }

// static
void BlobDataHandle::SetBlobRegistryForTesting(
    mojom::blink::BlobRegistry* registry) { … }

}  // namespace blink
chromium/third_party/blink/renderer/platform/blob/blob_data.cc
