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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
// 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.
#include "content/browser/handwriting/handwriting_recognition_service_impl_cros.h"
#include <memory>
#include <utility>
#include "base/command_line.h"
#include "base/memory/ptr_util.h"
#include "content/browser/handwriting/handwriting_recognizer_impl_cros.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
#include "third_party/blink/public/mojom/handwriting/handwriting.mojom.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "chromeos/services/machine_learning/public/cpp/ml_switches.h"
#endif
namespace content {
namespace {
// Currently, we do not consider that ondevice handwriting recognition may be
// supported by the CrOS Downloadable Content (DLC) service other than on
// rootfs.
bool IsCrOSLibHandwritingRootfsEnabled() {
#if BUILDFLAG(IS_CHROMEOS)
// TODO(https://crbug.com/1168978): mlservice should provide an interface to
// query this.
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
return command_line->HasSwitch(::switches::kOndeviceHandwritingSwitch) &&
command_line->GetSwitchValueASCII(
::switches::kOndeviceHandwritingSwitch) == "use_rootfs";
#else
return false;
#endif
}
} // namespace
// static
void CrOSHandwritingRecognitionServiceImpl::Create(
mojo::PendingReceiver<handwriting::mojom::HandwritingRecognitionService>
receiver) {
mojo::MakeSelfOwnedReceiver<
handwriting::mojom::HandwritingRecognitionService>(
base::WrapUnique(new CrOSHandwritingRecognitionServiceImpl()),
std::move(receiver));
}
CrOSHandwritingRecognitionServiceImpl::
~CrOSHandwritingRecognitionServiceImpl() = default;
void CrOSHandwritingRecognitionServiceImpl::CreateHandwritingRecognizer(
handwriting::mojom::HandwritingModelConstraintPtr model_constraint,
handwriting::mojom::HandwritingRecognitionService::
CreateHandwritingRecognizerCallback callback) {
if (!IsCrOSLibHandwritingRootfsEnabled()) {
std::move(callback).Run(
handwriting::mojom::CreateHandwritingRecognizerResult::kNotSupported,
mojo::NullRemote());
return;
}
CrOSHandwritingRecognizerImpl::Create(std::move(model_constraint),
std::move(callback));
}
void CrOSHandwritingRecognitionServiceImpl::QueryHandwritingRecognizer(
handwriting::mojom::HandwritingModelConstraintPtr model_constraint,
QueryHandwritingRecognizerCallback callback) {
if (!IsCrOSLibHandwritingRootfsEnabled()) {
std::move(callback).Run(nullptr);
return;
}
std::move(callback).Run(CrOSHandwritingRecognizerImpl::GetModelDescriptor(
std::move(model_constraint)));
}
CrOSHandwritingRecognitionServiceImpl::CrOSHandwritingRecognitionServiceImpl() =
default;
} // namespace content
|
