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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 ScrollStateCallback_h |
| 6 #define ScrollStateCallback_h |
| 7 |
| 8 #include "core/dom/Element.h" |
| 9 #include "platform/heap/GarbageCollected.h" |
| 10 |
| 11 namespace blink { |
| 12 |
| 13 class ScrollState; |
| 14 |
| 15 class ScrollStateCallback : public GarbageCollectedFinalized<ScrollStateCallback
> { |
| 16 public: |
| 17 ScrollStateCallback() |
| 18 : m_nativeScrollBehavior(DisableNativeScroll) |
| 19 { |
| 20 } |
| 21 virtual ~ScrollStateCallback() |
| 22 { |
| 23 } |
| 24 DEFINE_INLINE_VIRTUAL_TRACE() {} |
| 25 virtual void handleEvent(ScrollState*) = 0; |
| 26 |
| 27 void setNativeScrollBehavior(NativeScrollBehavior nativeScrollBehavior) |
| 28 { |
| 29 m_nativeScrollBehavior = nativeScrollBehavior; |
| 30 } |
| 31 NativeScrollBehavior nativeScrollBehavior() |
| 32 { |
| 33 return m_nativeScrollBehavior; |
| 34 } |
| 35 |
| 36 protected: |
| 37 NativeScrollBehavior m_nativeScrollBehavior; |
| 38 }; |
| 39 |
| 40 } // namespace blink |
| 41 |
| 42 #endif // ScrollStateCallback_h |
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