| // Copyright 2015 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 NFC_h |
| #define NFC_h |
| |
| #include "bindings/core/v8/ScriptPromise.h" |
| #include "bindings/core/v8/ScriptWrappable.h" |
| #include "bindings/modules/v8/StringOrArrayBufferOrNFCMessage.h" |
| #include "core/dom/ContextLifecycleObserver.h" |
| #include "core/page/PageVisibilityObserver.h" |
| #include "device/nfc/nfc.mojom-blink.h" |
| #include "modules/nfc/MessageCallback.h" |
| #include "mojo/public/cpp/bindings/binding.h" |
| #include "wtf/HashMap.h" |
| |
| namespace blink { |
| |
| class MessageCallback; |
| class NFCError; |
| class NFCPushOptions; |
| using NFCPushMessage = StringOrArrayBufferOrNFCMessage; |
| class NFCWatchOptions; |
| |
| class NFC final : public GarbageCollectedFinalized<NFC>, |
| public ScriptWrappable, |
| public PageVisibilityObserver, |
| public ContextLifecycleObserver, |
| public device::nfc::mojom::blink::NFCClient { |
| DEFINE_WRAPPERTYPEINFO(); |
| USING_GARBAGE_COLLECTED_MIXIN(NFC); |
| USING_PRE_FINALIZER(NFC, dispose); |
| |
| public: |
| static NFC* create(LocalFrame*); |
| |
| virtual ~NFC(); |
| |
| void dispose(); |
| |
| // ContextLifecycleObserver overrides. |
| void contextDestroyed() override; |
| |
| // Pushes NFCPushMessage asynchronously to NFC tag / peer. |
| ScriptPromise push(ScriptState*, |
| const NFCPushMessage&, |
| const NFCPushOptions&); |
| |
| // Cancels ongoing push operation. |
| ScriptPromise cancelPush(ScriptState*, const String&); |
| |
| // Starts watching for NFC messages that match NFCWatchOptions criteria. |
| ScriptPromise watch(ScriptState*, MessageCallback*, const NFCWatchOptions&); |
| |
| // Cancels watch operation with id. |
| ScriptPromise cancelWatch(ScriptState*, long id); |
| |
| // Cancels all watch operations. |
| ScriptPromise cancelWatch(ScriptState*); |
| |
| // Implementation of PageVisibilityObserver. |
| void pageVisibilityChanged() override; |
| |
| // Interface required by garbage collection. |
| DECLARE_VIRTUAL_TRACE(); |
| |
| private: |
| // Returns promise with DOMException if feature is not supported |
| // or when context is not secure. Otherwise, returns empty promise. |
| ScriptPromise rejectIfNotSupported(ScriptState*); |
| |
| void OnRequestCompleted(ScriptPromiseResolver*, |
| device::nfc::mojom::blink::NFCErrorPtr); |
| void OnConnectionError(); |
| void OnWatchRegistered(MessageCallback*, |
| ScriptPromiseResolver*, |
| uint32_t id, |
| device::nfc::mojom::blink::NFCErrorPtr); |
| |
| // device::nfc::mojom::blink::NFCClient implementation. |
| void OnWatch(const WTF::Vector<uint32_t>& ids, |
| device::nfc::mojom::blink::NFCMessagePtr) override; |
| |
| private: |
| explicit NFC(LocalFrame*); |
| device::nfc::mojom::blink::NFCPtr m_nfc; |
| mojo::Binding<device::nfc::mojom::blink::NFCClient> m_client; |
| HeapHashSet<Member<ScriptPromiseResolver>> m_requests; |
| using WatchCallbacksMap = HeapHashMap<uint32_t, Member<MessageCallback>>; |
| WatchCallbacksMap m_callbacks; |
| }; |
| |
| } // namespace blink |
| |
| #endif // NFC_h |