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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/core/streams/readable_stream.h"
#include "third_party/blink/renderer/core/streams/readable_stream_native.h"
#include "third_party/blink/renderer/core/streams/readable_stream_wrapper.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
namespace blink {
ReadableStream* ReadableStream::Create(ScriptState* script_state,
ExceptionState& exception_state) {
return Create(
script_state,
ScriptValue(script_state, v8::Undefined(script_state->GetIsolate())),
ScriptValue(script_state, v8::Undefined(script_state->GetIsolate())),
exception_state);
}
ReadableStream* ReadableStream::Create(ScriptState* script_state,
ScriptValue underlying_source,
ExceptionState& exception_state) {
return Create(
script_state, underlying_source,
ScriptValue(script_state, v8::Undefined(script_state->GetIsolate())),
exception_state);
}
ReadableStream* ReadableStream::Create(ScriptState* script_state,
ScriptValue underlying_source,
ScriptValue strategy,
ExceptionState& exception_state) {
if (RuntimeEnabledFeatures::StreamsNativeEnabled()) {
return ReadableStreamNative::Create(script_state, underlying_source,
strategy, exception_state);
}
return ReadableStreamWrapper::Create(script_state, underlying_source,
strategy, exception_state);
}
ReadableStream* ReadableStream::CreateWithCountQueueingStrategy(
ScriptState* script_state,
UnderlyingSourceBase* underlying_source,
size_t high_water_mark) {
if (RuntimeEnabledFeatures::StreamsNativeEnabled()) {
return ReadableStreamNative::CreateWithCountQueueingStrategy(
script_state, underlying_source, high_water_mark);
}
// TODO(ricea): Select implementation based on StreamsNative feature here.
return ReadableStreamWrapper::CreateWithCountQueueingStrategy(
script_state, underlying_source, high_water_mark);
}
// static
ReadableStream* ReadableStream::Deserialize(ScriptState* script_state,
MessagePort* port,
ExceptionState& exception_state) {
// TODO(ricea): Implementation serialization for the native implementation.
if (RuntimeEnabledFeatures::StreamsNativeEnabled()) {
exception_state.ThrowTypeError(
"serialization disabled because StreamsNative feature is enabled");
return nullptr;
}
return ReadableStreamWrapper::Deserialize(script_state, port,
exception_state);
}
} // namespace blink
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