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Side by Side Diff: cc/input/scroll_state_data.h

Issue 2401853003: CL for src perf tryjob to run smoothness.scrolling_tough_ad_cases benchmark on android-nexus5X plat… (Closed)
Patch Set: Created 4 years, 2 months ago
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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_INPUT_SCROLL_STATE_DATA_H_ 5 #ifndef CC_INPUT_SCROLL_STATE_DATA_H_
6 #define CC_INPUT_SCROLL_STATE_DATA_H_ 6 #define CC_INPUT_SCROLL_STATE_DATA_H_
7 7
8 #include <stdint.h> 8 #include <stdint.h>
9 9
10 #include <list> 10 #include <list>
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46 double delta_granularity; 46 double delta_granularity;
47 47
48 // TODO(tdresser): ScrollState shouldn't need to keep track of whether or not 48 // TODO(tdresser): ScrollState shouldn't need to keep track of whether or not
49 // this ScrollState object has caused a scroll. Ideally, any native scroller 49 // this ScrollState object has caused a scroll. Ideally, any native scroller
50 // consuming delta has caused a scroll. Currently, there are some cases where 50 // consuming delta has caused a scroll. Currently, there are some cases where
51 // we consume delta without scrolling, such as in 51 // we consume delta without scrolling, such as in
52 // |Viewport::AdjustOverscroll|. Once these cases are fixed, we should get rid 52 // |Viewport::AdjustOverscroll|. Once these cases are fixed, we should get rid
53 // of |caused_scroll_*_|. See crbug.com/510045 for details. 53 // of |caused_scroll_*_|. See crbug.com/510045 for details.
54 bool caused_scroll_x; 54 bool caused_scroll_x;
55 bool caused_scroll_y; 55 bool caused_scroll_y;
56 // True for scrollEnd if, a fling might happen after the scrollEnd.
57 bool fling_might_happen_next;
56 58
57 ScrollNode* current_native_scrolling_node() const; 59 ScrollNode* current_native_scrolling_node() const;
58 void set_current_native_scrolling_node( 60 void set_current_native_scrolling_node(
59 ScrollNode* current_native_scrolling_node); 61 ScrollNode* current_native_scrolling_node);
60 ElementId current_native_scrolling_element() const; 62 ElementId current_native_scrolling_element() const;
61 void set_current_native_scrolling_element(ElementId element_id); 63 void set_current_native_scrolling_element(ElementId element_id);
62 64
63 private: 65 private:
64 // Only one of current_native_scrolling_node_ and 66 // Only one of current_native_scrolling_node_ and
65 // current_native_scrolling_element_ may be non-null at a time. Whenever 67 // current_native_scrolling_element_ may be non-null at a time. Whenever
66 // possible, we should store the scroll node. 68 // possible, we should store the scroll node.
67 69
68 // The last scroll node to respond to a scroll, or null if none exists. 70 // The last scroll node to respond to a scroll, or null if none exists.
69 ScrollNode* current_native_scrolling_node_; 71 ScrollNode* current_native_scrolling_node_;
70 // The id of the last native element to respond to a scroll, or 0 if none 72 // The id of the last native element to respond to a scroll, or 0 if none
71 // exists. 73 // exists.
72 ElementId current_native_scrolling_element_; 74 ElementId current_native_scrolling_element_;
73 }; 75 };
74 76
75 } // namespace cc 77 } // namespace cc
76 78
77 #endif // CC_INPUT_SCROLL_STATE_DATA_H_ 79 #endif // CC_INPUT_SCROLL_STATE_DATA_H_
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