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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_AI_ON_DEVICE_TRANSLATION_TRANSLATOR_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_AI_ON_DEVICE_TRANSLATION_TRANSLATOR_H_
#include "base/memory/scoped_refptr.h"
#include "base/task/sequenced_task_runner.h"
#include "third_party/blink/public/mojom/on_device_translation/translator.mojom-blink.h"
#include "third_party/blink/renderer/bindings/core/v8/idl_types.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_translator_create_options.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_translator_translate_options.h"
#include "third_party/blink/renderer/core/dom/abort_controller.h"
#include "third_party/blink/renderer/core/dom/abort_signal.h"
#include "third_party/blink/renderer/modules/ai/availability.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
namespace blink {
class ExceptionState;
class ReadableStream;
class Translator final : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
explicit Translator(
ScriptState* script_state,
mojo::PendingRemote<mojom::blink::Translator> pending_remote,
scoped_refptr<base::SequencedTaskRunner> task_runner,
String source_language,
String target_language,
AbortSignal* abort_signal);
~Translator() override = default;
mojo::PendingReceiver<blink::mojom::blink::Translator>
GetTranslatorReceiver();
void Trace(Visitor* visitor) const override;
static ScriptPromise<V8Availability> availability(
ScriptState* script_state,
TranslatorCreateCoreOptions* options,
ExceptionState& exception_state);
static ScriptPromise<Translator> create(ScriptState* script_state,
TranslatorCreateOptions* options,
ExceptionState& exception_state);
String sourceLanguage() const;
String targetLanguage() const;
// translator.idl implementation
ScriptPromise<IDLString> translate(ScriptState* script_state,
const WTF::String& input,
TranslatorTranslateOptions* options,
ExceptionState& exception_state);
// translator.idl implementation
ReadableStream* translateStreaming(ScriptState* script_state,
const WTF::String& input,
TranslatorTranslateOptions* options,
ExceptionState& exception_state);
ScriptPromise<IDLDouble> measureInputUsage(
ScriptState* script_state,
const WTF::String& input,
TranslatorTranslateOptions* options,
ExceptionState& exception_state);
double inputQuota() const;
void destroy(ScriptState* script_state);
private:
void DestroyImpl();
void OnCreateAbortSignalAborted(ScriptState* script_state);
AbortSignal* CreateCompositeSignal(ScriptState* script_state,
TranslatorTranslateOptions* options);
scoped_refptr<base::SequencedTaskRunner> task_runner_;
HeapMojoRemote<blink::mojom::blink::Translator> translator_remote_{nullptr};
String source_language_;
String target_language_;
Member<AbortController> destruction_abort_controller_;
Member<AbortSignal> create_abort_signal_;
Member<AbortSignal::AlgorithmHandle> create_abort_handle_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_AI_ON_DEVICE_TRANSLATION_TRANSLATOR_H_
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