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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "core/page/scrolling/ScrollState.h" | 5 #include "core/page/scrolling/ScrollState.h" |
| 6 | 6 |
| 7 #include <memory> |
| 7 #include "core/dom/DOMNodeIds.h" | 8 #include "core/dom/DOMNodeIds.h" |
| 8 #include "core/dom/Element.h" | 9 #include "core/dom/Element.h" |
| 9 #include "core/dom/ExceptionCode.h" | 10 #include "core/dom/ExceptionCode.h" |
| 10 #include "platform/graphics/CompositorElementId.h" | 11 #include "platform/graphics/CompositorElementId.h" |
| 11 #include "wtf/PtrUtil.h" | 12 #include "wtf/PtrUtil.h" |
| 12 #include <memory> | |
| 13 | 13 |
| 14 namespace blink { | 14 namespace blink { |
| 15 | 15 |
| 16 namespace { | 16 namespace { |
| 17 Element* elementForId(int elementId) { | 17 Element* elementForId(int elementId) { |
| 18 Node* node = DOMNodeIds::nodeForId(elementId); | 18 Node* node = DOMNodeIds::nodeForId(elementId); |
| 19 ASSERT(node); | 19 ASSERT(node); |
| 20 if (!node) | 20 if (!node) |
| 21 return nullptr; | 21 return nullptr; |
| 22 ASSERT(node->isElementNode()); | 22 ASSERT(node->isElementNode()); |
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| 103 m_data->set_current_native_scrolling_element(createCompositorElementId( | 103 m_data->set_current_native_scrolling_element(createCompositorElementId( |
| 104 DOMNodeIds::idForNode(element), CompositorSubElementId::Scroll)); | 104 DOMNodeIds::idForNode(element), CompositorSubElementId::Scroll)); |
| 105 } | 105 } |
| 106 | 106 |
| 107 void ScrollState::setCurrentNativeScrollingElementById(int elementId) { | 107 void ScrollState::setCurrentNativeScrollingElementById(int elementId) { |
| 108 m_data->set_current_native_scrolling_element( | 108 m_data->set_current_native_scrolling_element( |
| 109 createCompositorElementId(elementId, CompositorSubElementId::Scroll)); | 109 createCompositorElementId(elementId, CompositorSubElementId::Scroll)); |
| 110 } | 110 } |
| 111 | 111 |
| 112 } // namespace blink | 112 } // namespace blink |
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