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
|
// 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_RECOGNIZER_IMPL_H_
#define CONTENT_BROWSER_HANDWRITING_HANDWRITING_RECOGNIZER_IMPL_H_
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "third_party/blink/public/mojom/handwriting/handwriting.mojom.h"
namespace content {
// Implements the default behavior of APIs of `mojom::HandwritingRecognizer`
// between browser and renderer. The handwriting recognition service creates
// instances of a specific recognizer and passes it back to the requesting
// frame. There may be multiple recognition instances, e.g. for different
// languages.
// This class will not return any prediction. But it has the ability to
// set up and hold a mojo pipe with renderer, which can be used by the derived
// classes.
class HandwritingRecognizerImpl
: public handwriting::mojom::HandwritingRecognizer {
public:
// The interface to create an object, called by handwriting service.
static void Create(
handwriting::mojom::HandwritingModelConstraintPtr model_constraint,
handwriting::mojom::HandwritingRecognitionService::
CreateHandwritingRecognizerCallback callback);
HandwritingRecognizerImpl(const HandwritingRecognizerImpl&) = delete;
HandwritingRecognizerImpl& operator=(const HandwritingRecognizerImpl&) =
delete;
~HandwritingRecognizerImpl() override;
protected:
HandwritingRecognizerImpl();
private:
// handwriting::mojom::HandwritingRecognizer
// This function does not return any prediction.
void GetPrediction(
std::vector<handwriting::mojom::HandwritingStrokePtr> strokes,
handwriting::mojom::HandwritingHintsPtr hints,
GetPredictionCallback callback) override;
};
} // namespace content
#endif // CONTENT_BROWSER_HANDWRITING_HANDWRITING_RECOGNIZER_IMPL_H_
|
