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
|
// Copyright 2019 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_SHAPEDETECTION_BARCODE_DETECTOR_STATICS_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_SHAPEDETECTION_BARCODE_DETECTOR_STATICS_H_
#include "services/shape_detection/public/mojom/barcodedetection_provider.mojom-blink.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_barcode_format.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_hash_set.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_wrapper_mode.h"
#include "third_party/blink/renderer/platform/supplementable.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class ExecutionContext;
// This class owns the BarcodeDetectionProvider connection used to create the
// BarcodeDetector instances for this ExecutionContext.
class BarcodeDetectorStatics final
: public GarbageCollected<BarcodeDetectorStatics>,
public Supplement<ExecutionContext> {
public:
static const char kSupplementName[];
static BarcodeDetectorStatics* From(ExecutionContext*);
explicit BarcodeDetectorStatics(ExecutionContext&);
~BarcodeDetectorStatics();
void CreateBarcodeDetection(
mojo::PendingReceiver<shape_detection::mojom::blink::BarcodeDetection>,
shape_detection::mojom::blink::BarcodeDetectorOptionsPtr);
ScriptPromise<IDLSequence<V8BarcodeFormat>> EnumerateSupportedFormats(
ScriptState*);
void Trace(Visitor*) const override;
private:
void EnsureServiceConnection();
void OnEnumerateSupportedFormats(
ScriptPromiseResolver<IDLSequence<V8BarcodeFormat>>*,
const Vector<shape_detection::mojom::blink::BarcodeFormat>&);
void OnConnectionError();
HeapMojoRemote<shape_detection::mojom::blink::BarcodeDetectionProvider>
service_;
// Holds Promises returned by EnumerateSupportedFormats() so that they can be
// resolve in the case of a Mojo connection error.
HeapHashSet<Member<ScriptPromiseResolver<IDLSequence<V8BarcodeFormat>>>>
get_supported_format_requests_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_SHAPEDETECTION_BARCODE_DETECTOR_STATICS_H_
|
