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// Copyright 2015 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_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/bindings/core/v8/script_promise_resolver.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/collection_support/heap_hash_map.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_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 ScriptState;
class USBDevice;
class USBDeviceRequestOptions;
class USB final : public EventTarget,
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<IDLSequence<USBDevice>> getDevices(ScriptState*,
ExceptionState&);
ScriptPromise<USBDevice> 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 ForgetDevice(const String& device_guid,
mojom::blink::WebUsbService::ForgetDeviceCallback callback);
void OnGetDevices(ScriptPromiseResolver<IDLSequence<USBDevice>>*,
Vector<device::mojom::blink::UsbDeviceInfoPtr>);
void OnGetPermission(ScriptPromiseResolver<USBDevice>*,
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 IsFeatureEnabled(ReportOptions) const;
HeapMojoRemote<mojom::blink::WebUsbService> service_;
HeapHashSet<Member<ScriptPromiseResolver<IDLSequence<USBDevice>>>>
get_devices_requests_;
HeapHashSet<Member<ScriptPromiseResolverBase>> get_permission_requests_;
HeapMojoAssociatedReceiver<device::mojom::blink::UsbDeviceManagerClient, USB>
client_receiver_;
HeapHashMap<String, WeakMember<USBDevice>> device_cache_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBUSB_USB_H_
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