| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // 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_NFC_NDEF_READER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_NFC_NDEF_READER_H_ |
| |
| #include "services/device/public/mojom/nfc.mojom-blink-forward.h" |
| #include "third_party/blink/public/mojom/permissions/permission.mojom-blink.h" |
| #include "third_party/blink/renderer/bindings/core/v8/active_script_wrappable.h" |
| #include "third_party/blink/renderer/bindings/core/v8/script_promise.h" |
| #include "third_party/blink/renderer/core/dom/events/event_target.h" |
| #include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_observer.h" |
| #include "third_party/blink/renderer/modules/modules_export.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h" |
| #include "third_party/blink/renderer/platform/mojo/heap_mojo_wrapper_mode.h" |
| |
| namespace blink { |
| |
| class NDEFScanOptions; |
| class NDEFWriteOptions; |
| class NFCProxy; |
| class ScriptPromiseResolver; |
| class StringOrArrayBufferOrArrayBufferViewOrNDEFMessageInit; |
| |
| using NDEFMessageSource = StringOrArrayBufferOrArrayBufferViewOrNDEFMessageInit; |
| |
| class MODULES_EXPORT NDEFReader : public EventTargetWithInlineData, |
| public ActiveScriptWrappable<NDEFReader>, |
| public ExecutionContextLifecycleObserver { |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| static NDEFReader* Create(ExecutionContext*); |
| |
| NDEFReader(ExecutionContext*); |
| ~NDEFReader() override; |
| |
| // EventTarget overrides. |
| const AtomicString& InterfaceName() const override; |
| ExecutionContext* GetExecutionContext() const override; |
| |
| // ActiveScriptWrappable overrides. |
| bool HasPendingActivity() const override; |
| |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(reading, kReading) |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(readingerror, kReadingerror) |
| |
| // Scan from an NFC tag. |
| ScriptPromise scan(ScriptState* script_state, |
| const NDEFScanOptions* options, |
| ExceptionState& exception_state); |
| |
| // Write NDEFMessageSource asynchronously to NFC tag. |
| ScriptPromise write(ScriptState* script_state, |
| const NDEFMessageSource& write_message, |
| const NDEFWriteOptions* options, |
| ExceptionState& exception_state); |
| |
| void Trace(Visitor*) const override; |
| |
| // Called by NFCProxy for dispatching events. |
| virtual void OnReading(const String& serial_number, |
| const device::mojom::blink::NDEFMessage&); |
| virtual void OnReadingError(const String& message); |
| |
| // Called by NFCProxy for notification about connection error. |
| void ReadOnMojoConnectionError(); |
| void WriteOnMojoConnectionError(); |
| |
| private: |
| // ExecutionContextLifecycleObserver overrides. |
| void ContextDestroyed() override; |
| |
| NFCProxy* GetNfcProxy() const; |
| |
| void ReadAbort(); |
| void ReadOnRequestCompleted(device::mojom::blink::NDEFErrorPtr error); |
| |
| void WriteAbort(); |
| void WriteOnRequestCompleted(ScriptPromiseResolver* resolver, |
| device::mojom::blink::NDEFErrorPtr error); |
| |
| // Read Permission handling |
| void ReadOnRequestPermission(const NDEFScanOptions* options, |
| mojom::blink::PermissionStatus status); |
| |
| // Write Permission handling |
| void WriteOnRequestPermission( |
| ScriptPromiseResolver* resolver, |
| const NDEFWriteOptions* options, |
| device::mojom::blink::NDEFMessagePtr ndef_message, |
| mojom::blink::PermissionStatus status); |
| |
| // |scan_resolver_| is kept here to handle Mojo connection failures because in |
| // that case the callback passed to Watch() won't be called and |
| // mojo::WrapCallbackWithDefaultInvokeIfNotRun() is forbidden in Blink. |
| Member<ScriptPromiseResolver> scan_resolver_; |
| |
| HeapMojoRemote<mojom::blink::PermissionService, |
| HeapMojoWrapperMode::kWithoutContextObserver> |
| permission_service_; |
| mojom::blink::PermissionService* GetPermissionService(); |
| |
| // |write_requests_| are kept here to handle Mojo connection failures because |
| // in that case the callback passed to Push() won't be called and |
| // mojo::WrapCallbackWithDefaultInvokeIfNotRun() is forbidden in Blink. |
| // This list will also be used by AbortSignal. |
| HeapHashSet<Member<ScriptPromiseResolver>> write_requests_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_NFC_NDEF_READER_H_ |