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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 CHROME_BROWSER_PASSAGE_EMBEDDINGS_PASSAGE_EMBEDDINGS_COORDINATOR_H_
#define CHROME_BROWSER_PASSAGE_EMBEDDINGS_PASSAGE_EMBEDDINGS_COORDINATOR_H_
#include <map>
#include <memory>
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/page_content_annotations/page_content_extraction_service.h"
#include "chrome/browser/passage_embeddings/omnibox_focus_change_listener.h"
#include "chrome/browser/passage_embeddings/web_contents_passage_embedder.h"
#include "components/keyed_service/core/keyed_service.h"
#include "components/passage_embeddings/passage_embeddings_types.h"
namespace content {
class WebContents;
}
namespace page_content_annotations {
class PageContentExtractionService;
}
namespace passage_embeddings {
class PassageEmbeddingsCoordinator
: public KeyedService,
public page_content_annotations::PageContentExtractionService::Observer,
public WebContentsPassageEmbedder::Delegate {
public:
explicit PassageEmbeddingsCoordinator(
page_content_annotations::PageContentExtractionService*
page_content_extraction_service);
~PassageEmbeddingsCoordinator() override;
// PageContentExtractionService:
void OnPageContentExtracted(
content::Page& page,
const optimization_guide::proto::AnnotatedPageContent& page_content)
override;
// WebContentsPassageEmbedder::Delegate:
Embedder::TaskId ComputePassagesEmbeddings(
std::vector<std::string> passages,
Embedder::ComputePassagesEmbeddingsCallback callback) override;
bool TryCancel(Embedder::TaskId task_id) override;
void OnWebContentsDestroyed(content::WebContents* web_contents) override;
private:
void OnOmniboxFocusChanged(bool is_focused);
base::ScopedObservation<
page_content_annotations::PageContentExtractionService,
PassageEmbeddingsCoordinator>
page_content_extraction_observation_{this};
std::map<content::WebContents*, std::unique_ptr<WebContentsPassageEmbedder>>
web_contents_passage_embedders_;
OmniboxFocusChangedListener omnibox_focus_changed_listener_;
PassagePriority current_priority_ = PassagePriority::kPassive;
base::WeakPtrFactory<PassageEmbeddingsCoordinator> weak_ptr_factory_{this};
};
} // namespace passage_embeddings
#endif // CHROME_BROWSER_PASSAGE_EMBEDDINGS_PASSAGE_EMBEDDINGS_COORDINATOR_H_
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