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// Copyright 2025 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_AI_INTERFACE_PROXY_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_AI_AI_INTERFACE_PROXY_H_
#include "base/functional/callback.h"
#include "base/memory/scoped_refptr.h"
#include "base/task/sequenced_task_runner.h"
#include "components/language_detection/content/common/language_detection.mojom-blink.h"
#include "third_party/blink/public/mojom/ai/ai_manager.mojom-blink.h"
#include "third_party/blink/public/mojom/on_device_translation/translation_manager.mojom-blink.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/heap/member.h"
#include "third_party/blink/renderer/platform/language_detection/language_detection_model.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
#include "third_party/blink/renderer/platform/supplementable.h"
namespace blink {
// Provides static getters to browser interfaces for the built-in AI APIs.
class AIInterfaceProxy final : public GarbageCollected<AIInterfaceProxy>,
public Supplement<ExecutionContext> {
public:
static const char kSupplementName[];
using GetLanguageDetectionModelStatusCallback = base::OnceCallback<void(
language_detection::mojom::blink::LanguageDetectionModelStatus)>;
using GetLanguageDetectionModelCallback = base::OnceCallback<void(
base::expected<LanguageDetectionModel*, DetectLanguageError>)>;
explicit AIInterfaceProxy(ExecutionContext* execution_context);
~AIInterfaceProxy();
// Not copyable or movable
AIInterfaceProxy(const AIInterfaceProxy&) = delete;
AIInterfaceProxy& operator=(const AIInterfaceProxy&) = delete;
void Trace(Visitor* visitor) const override;
static scoped_refptr<base::SequencedTaskRunner> GetTaskRunner(
ExecutionContext* execution_context);
static HeapMojoRemote<mojom::blink::TranslationManager>&
GetTranslationManagerRemote(ExecutionContext* execution_context);
static void GetLanguageDetectionModelStatus(
ExecutionContext* execution_context,
GetLanguageDetectionModelStatusCallback callback);
static void GetLanguageDetectionModel(
ExecutionContext* execution_context,
GetLanguageDetectionModelCallback callback);
static HeapMojoRemote<mojom::blink::AIManager>& GetAIManagerRemote(
ExecutionContext* execution_context);
private:
static AIInterfaceProxy* From(ExecutionContext* execution_context);
HeapMojoRemote<mojom::blink::TranslationManager>&
GetTranslationManagerRemoteImpl(ExecutionContext* execution_context);
HeapMojoRemote<
language_detection::mojom::blink::ContentLanguageDetectionDriver>&
GetLanguageDetectionDriverRemote(ExecutionContext* execution_context);
void GetLanguageDetectionModelImpl(
ExecutionContext* execution_context,
GetLanguageDetectionModelCallback callback);
HeapMojoRemote<mojom::blink::AIManager>& GetAIManagerRemoteImpl(
ExecutionContext* execution_context);
scoped_refptr<base::SequencedTaskRunner> task_runner_;
HeapMojoRemote<mojom::blink::TranslationManager> translation_manager_remote_{
nullptr};
HeapMojoRemote<
language_detection::mojom::blink::ContentLanguageDetectionDriver>
language_detection_driver_{nullptr};
// TODO(crbug.com/406770758): Consider updating ownership of
// `language_detection_model_` to the `LanguageDetectorCreate` class.
Member<LanguageDetectionModel> language_detection_model_;
HeapMojoRemote<mojom::blink::AIManager> ai_manager_remote_{nullptr};
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_AI_AI_INTERFACE_PROXY_H_
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