| // 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 USB_h |
| #define USB_h |
| |
| #include "bindings/core/v8/ScriptPromise.h" |
| #include "bindings/core/v8/ScriptWrappable.h" |
| #include "core/dom/ContextLifecycleObserver.h" |
| #include "core/events/EventTarget.h" |
| #include "device/usb/public/interfaces/chooser_service.mojom-blink.h" |
| #include "device/usb/public/interfaces/device_manager.mojom-blink.h" |
| #include "mojo/public/cpp/bindings/binding.h" |
| #include "platform/heap/Handle.h" |
| |
| namespace blink { |
| |
| class LocalFrame; |
| class ScriptPromiseResolver; |
| class ScriptState; |
| class USBDevice; |
| class USBDeviceRequestOptions; |
| |
| class USB final : public EventTargetWithInlineData, |
| public ContextLifecycleObserver, |
| public device::mojom::blink::UsbDeviceManagerClient { |
| DEFINE_WRAPPERTYPEINFO(); |
| USING_GARBAGE_COLLECTED_MIXIN(USB); |
| USING_PRE_FINALIZER(USB, Dispose); |
| |
| public: |
| static USB* Create(LocalFrame& frame) { return new USB(frame); } |
| |
| virtual ~USB(); |
| |
| void Dispose(); |
| |
| // USB.idl |
| ScriptPromise getDevices(ScriptState*); |
| ScriptPromise requestDevice(ScriptState*, const USBDeviceRequestOptions&); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(connect); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(disconnect); |
| |
| // EventTarget overrides. |
| ExecutionContext* GetExecutionContext() const override; |
| const AtomicString& InterfaceName() const override; |
| |
| // ContextLifecycleObserver overrides. |
| void ContextDestroyed(ExecutionContext*) override; |
| |
| USBDevice* GetOrCreateDevice(device::mojom::blink::UsbDeviceInfoPtr); |
| |
| device::mojom::blink::UsbDeviceManager* GetDeviceManager() const { |
| return device_manager_.get(); |
| } |
| |
| void OnGetDevices(ScriptPromiseResolver*, |
| Vector<device::mojom::blink::UsbDeviceInfoPtr>); |
| void OnGetPermission(ScriptPromiseResolver*, |
| device::mojom::blink::UsbDeviceInfoPtr); |
| |
| // DeviceManagerClient implementation. |
| void OnDeviceAdded(device::mojom::blink::UsbDeviceInfoPtr); |
| void OnDeviceRemoved(device::mojom::blink::UsbDeviceInfoPtr); |
| |
| void OnDeviceManagerConnectionError(); |
| void OnChooserServiceConnectionError(); |
| |
| DECLARE_VIRTUAL_TRACE(); |
| |
| protected: |
| // EventTarget protected overrides. |
| void AddedEventListener(const AtomicString& event_type, |
| RegisteredEventListener&) override; |
| |
| private: |
| explicit USB(LocalFrame& frame); |
| |
| void EnsureDeviceManagerConnection(); |
| |
| device::mojom::blink::UsbDeviceManagerPtr device_manager_; |
| HeapHashSet<Member<ScriptPromiseResolver>> device_manager_requests_; |
| device::mojom::blink::UsbChooserServicePtr chooser_service_; |
| HeapHashSet<Member<ScriptPromiseResolver>> chooser_service_requests_; |
| mojo::Binding<device::mojom::blink::UsbDeviceManagerClient> client_binding_; |
| HeapHashMap<String, WeakMember<USBDevice>> device_cache_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // USB_h |