1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_HANDWRITING_HANDWRITING_RECOGNITION_SERVICE_IMPL_H_
#define CONTENT_BROWSER_HANDWRITING_HANDWRITING_RECOGNITION_SERVICE_IMPL_H_
#include "content/common/content_export.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "third_party/blink/public/mojom/handwriting/handwriting.mojom.h"
namespace content {
// Implements the default behavior of the mojo APIs of
// `handwriting::mojom::HandwritingRecognitionService`. At most one per frame in
// the renderer process.
// This class does not support any handwriting
// functionality. But it has the ability bootstrap and hold the mojo connection
// to renderer, which can be reused by the derived class.
class CONTENT_EXPORT HandwritingRecognitionServiceImpl
: public handwriting::mojom::HandwritingRecognitionService {
public:
~HandwritingRecognitionServiceImpl() override;
// The interface to create an object, called by the handwriting factory.
static void Create(
mojo::PendingReceiver<handwriting::mojom::HandwritingRecognitionService>
receiver);
HandwritingRecognitionServiceImpl(const HandwritingRecognitionServiceImpl&) =
delete;
HandwritingRecognitionServiceImpl& operator=(
const HandwritingRecognitionServiceImpl&) = delete;
protected:
HandwritingRecognitionServiceImpl();
private:
// handwriting::mojom::HandwritingRecognitionService
void CreateHandwritingRecognizer(
handwriting::mojom::HandwritingModelConstraintPtr model_constraint,
CreateHandwritingRecognizerCallback callback) override;
// Always return `nullptr`.
void QueryHandwritingRecognizer(
handwriting::mojom::HandwritingModelConstraintPtr model_constraint,
QueryHandwritingRecognizerCallback callback) override;
};
} // namespace content
#endif // CONTENT_BROWSER_HANDWRITING_HANDWRITING_RECOGNITION_SERVICE_IMPL_H_
|
