| // 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 THIRD_PARTY_BLINK_RENDERER_MODULES_WEBUSB_USB_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBUSB_USB_H_ |
| |
| #include "services/device/public/mojom/usb_manager.mojom-blink-forward.h" |
| #include "services/device/public/mojom/usb_manager_client.mojom-blink.h" |
| #include "third_party/blink/public/mojom/usb/web_usb_service.mojom-blink.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.h" |
| #include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_observer.h" |
| #include "third_party/blink/renderer/core/execution_context/security_context.h" |
| #include "third_party/blink/renderer/platform/bindings/script_wrappable.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/mojo/heap_mojo_associated_receiver.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" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| class NavigatorBase; |
| class ScriptPromiseResolver; |
| class ScriptState; |
| class USBDevice; |
| class USBDeviceRequestOptions; |
| |
| class USB final : public EventTargetWithInlineData, |
| public Supplement<NavigatorBase>, |
| public ExecutionContextLifecycleObserver, |
| public device::mojom::blink::UsbDeviceManagerClient { |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| static const char kSupplementName[]; |
| |
| // Getter for navigator.usb |
| static USB* usb(NavigatorBase&); |
| |
| explicit USB(NavigatorBase&); |
| ~USB() override; |
| |
| // USB.idl |
| ScriptPromise getDevices(ScriptState*, ExceptionState&); |
| ScriptPromise requestDevice(ScriptState*, |
| const USBDeviceRequestOptions*, |
| ExceptionState&); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(connect, kConnect) |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(disconnect, kDisconnect) |
| |
| // EventTarget overrides. |
| ExecutionContext* GetExecutionContext() const override; |
| const AtomicString& InterfaceName() const override; |
| |
| // ExecutionContextLifecycleObserver overrides. |
| void ContextDestroyed() override; |
| |
| USBDevice* GetOrCreateDevice(device::mojom::blink::UsbDeviceInfoPtr); |
| |
| mojom::blink::WebUsbService* GetWebUsbService() const { |
| return service_.get(); |
| } |
| |
| void OnGetDevices(ScriptPromiseResolver*, |
| Vector<device::mojom::blink::UsbDeviceInfoPtr>); |
| void OnGetPermission(ScriptPromiseResolver*, |
| device::mojom::blink::UsbDeviceInfoPtr); |
| |
| // DeviceManagerClient implementation. |
| void OnDeviceAdded(device::mojom::blink::UsbDeviceInfoPtr) override; |
| void OnDeviceRemoved(device::mojom::blink::UsbDeviceInfoPtr) override; |
| |
| void OnServiceConnectionError(); |
| |
| void Trace(Visitor*) const override; |
| |
| protected: |
| // EventTarget protected overrides. |
| void AddedEventListener(const AtomicString& event_type, |
| RegisteredEventListener&) override; |
| |
| private: |
| void EnsureServiceConnection(); |
| |
| bool IsContextSupported() const; |
| bool IsFeatureEnabled(ReportOptions) const; |
| |
| HeapMojoRemote<mojom::blink::WebUsbService> service_; |
| HeapHashSet<Member<ScriptPromiseResolver>> get_devices_requests_; |
| HeapHashSet<Member<ScriptPromiseResolver>> get_permission_requests_; |
| HeapMojoAssociatedReceiver<device::mojom::blink::UsbDeviceManagerClient, |
| USB, |
| HeapMojoWrapperMode::kWithoutContextObserver> |
| client_receiver_; |
| HeapHashMap<String, WeakMember<USBDevice>> device_cache_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBUSB_USB_H_ |