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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef USBController_h |
| 6 #define USBController_h |
| 7 |
| 8 #include "core/frame/LocalFrame.h" |
| 9 #include "core/frame/LocalFrameLifecycleObserver.h" |
| 10 #include "platform/heap/Handle.h" |
| 11 |
| 12 namespace blink { |
| 13 class WebUSBClient; |
| 14 |
| 15 class USBController final |
| 16 : public NoBaseWillBeGarbageCollectedFinalized<USBController> |
| 17 , public WillBeHeapSupplement<LocalFrame> |
| 18 , public LocalFrameLifecycleObserver { |
| 19 WTF_MAKE_NONCOPYABLE(USBController); |
| 20 public: |
| 21 virtual ~USBController(); |
| 22 |
| 23 WebUSBClient* client() { return m_client; } |
| 24 |
| 25 static void provideTo(LocalFrame&, WebUSBClient*); |
| 26 static USBController& from(LocalFrame&); |
| 27 static const char* supplementName(); |
| 28 |
| 29 DECLARE_VIRTUAL_TRACE(); |
| 30 |
| 31 private: |
| 32 USBController(LocalFrame&, WebUSBClient*); |
| 33 |
| 34 // Inherited from LocalFrameLifecycleObserver. |
| 35 void willDetachFrameHost() override; |
| 36 |
| 37 WebUSBClient* m_client; |
| 38 }; |
| 39 |
| 40 } // namespace blink |
| 41 |
| 42 #endif // USBController_h |
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