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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 #ifndef CC_LAYERS_SCROLL_BLOCKS_ON_H_ | 5 #ifndef CC_LAYERS_SCROLL_BLOCKS_ON_H_ | 
| 6 #define CC_LAYERS_SCROLL_BLOCKS_ON_H_ | 6 #define CC_LAYERS_SCROLL_BLOCKS_ON_H_ | 
| 7 | 7 | 
| 8 enum ScrollBlocksOn { | 8 enum ScrollBlocksOn { | 
| 9   SCROLL_BLOCKS_ON_NONE = 0x0, | 9   ScrollBlocksOnNone = 0x0, | 
| 10   SCROLL_BLOCKS_ON_START_TOUCH = 0x1, | 10   ScrollBlocksOnStartTouch = 0x1, | 
| 11   SCROLL_BLOCKS_ON_WHEEL_EVENT = 0x2, | 11   ScrollBlocksOnWheelEvent = 0x2, | 
| 12   SCROLL_BLOCKS_ON_SCROLL_EVENT = 0x4, | 12   ScrollBlocksOnScrollEvent = 0x4, | 
| 13   SCROLL_BLOCKS_ON_MAX = SCROLL_BLOCKS_ON_START_TOUCH | | 13   ScrollBlocksOnMax = ScrollBlocksOnStartTouch | ScrollBlocksOnWheelEvent | | 
| 14                          SCROLL_BLOCKS_ON_WHEEL_EVENT | | 14                       ScrollBlocksOnScrollEvent | 
| 15                          SCROLL_BLOCKS_ON_SCROLL_EVENT |  | 
| 16 }; | 15 }; | 
| 17 | 16 | 
| 18 inline ScrollBlocksOn operator|(ScrollBlocksOn a, ScrollBlocksOn b) { | 17 inline ScrollBlocksOn operator|(ScrollBlocksOn a, ScrollBlocksOn b) { | 
| 19   return ScrollBlocksOn(static_cast<int>(a) | static_cast<int>(b)); | 18   return ScrollBlocksOn(static_cast<int>(a) | static_cast<int>(b)); | 
| 20 } | 19 } | 
| 21 | 20 | 
| 22 inline ScrollBlocksOn& operator|=(ScrollBlocksOn& a, ScrollBlocksOn b) { | 21 inline ScrollBlocksOn& operator|=(ScrollBlocksOn& a, ScrollBlocksOn b) { | 
| 23   return a = a | b; | 22   return a = a | b; | 
| 24 } | 23 } | 
| 25 | 24 | 
| 26 #endif  // CC_LAYERS_SCROLL_BLOCKS_ON_H_ | 25 #endif  // CC_LAYERS_SCROLL_BLOCKS_ON_H_ | 
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