summaryrefslogtreecommitdiff
path: root/chromium/cc/input/scroll_state_data.cc
blob: 567a02446be2c8a8e0f4647efde43de286d43d36 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "cc/input/scroll_state_data.h"
#include "cc/trees/scroll_node.h"

namespace cc {

ScrollStateData::ScrollStateData()
    : delta_x(0),
      delta_y(0),
      position_x(0),
      position_y(0),
      velocity_x(0),
      velocity_y(0),
      is_beginning(false),
      is_in_inertial_phase(false),
      is_ending(false),
      should_propagate(false),
      from_user_input(false),
      delta_consumed_for_scroll_sequence(false),
      is_direct_manipulation(false),
      delta_granularity(0),
      caused_scroll_x(false),
      caused_scroll_y(false),
      current_native_scrolling_node_(nullptr) {}

ScrollStateData::ScrollStateData(const ScrollStateData& other) = default;

ScrollNode* ScrollStateData::current_native_scrolling_node() const {
  return current_native_scrolling_node_;
}

void ScrollStateData::set_current_native_scrolling_node(
    ScrollNode* current_native_scrolling_node) {
  current_native_scrolling_node_ = current_native_scrolling_node;
  current_native_scrolling_element_ = ElementId();
}

ElementId ScrollStateData::current_native_scrolling_element() const {
  if (current_native_scrolling_node_)
    return current_native_scrolling_node_->element_id;
  return current_native_scrolling_element_;
}

void ScrollStateData::set_current_native_scrolling_element(
    ElementId element_id) {
  current_native_scrolling_element_ = element_id;
  current_native_scrolling_node_ = nullptr;
}

}  // namespace cc