| // Copyright 2018 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_XR_XR_CANVAS_INPUT_PROVIDER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_CANVAS_INPUT_PROVIDER_H_ |
| |
| #include "third_party/blink/renderer/platform/bindings/name_client.h" |
| #include "third_party/blink/renderer/platform/bindings/trace_wrapper_member.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/transforms/transformation_matrix.h" |
| #include "third_party/blink/renderer/platform/wtf/forward.h" |
| #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" |
| |
| namespace blink { |
| |
| class EventListener; |
| class HTMLCanvasElement; |
| class PointerEvent; |
| class XRInputSource; |
| class XRSession; |
| |
| class XRCanvasInputProvider |
| : public GarbageCollectedFinalized<XRCanvasInputProvider>, |
| public NameClient { |
| public: |
| XRCanvasInputProvider(XRSession*, HTMLCanvasElement*); |
| virtual ~XRCanvasInputProvider(); |
| |
| XRSession* session() const { return session_; } |
| HTMLCanvasElement* canvas() const { return canvas_; } |
| |
| // Remove all event listeners. |
| void Stop(); |
| |
| bool ShouldProcessEvents(); |
| |
| void OnPointerDown(PointerEvent*); |
| void OnPointerUp(PointerEvent*); |
| |
| XRInputSource* GetInputSource(); |
| |
| virtual void Trace(blink::Visitor*); |
| const char* NameInHeapSnapshot() const override { |
| return "XRCanvasInputProvider"; |
| } |
| |
| private: |
| void UpdateInputSource(PointerEvent*); |
| void ClearInputSource(); |
| |
| const Member<XRSession> session_; |
| Member<HTMLCanvasElement> canvas_; |
| Member<EventListener> listener_; |
| TraceWrapperMember<XRInputSource> input_source_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_CANVAS_INPUT_PROVIDER_H_ |