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
|
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_TREES_TARGET_PROPERTY_H_
#define CC_TREES_TARGET_PROPERTY_H_
#include "base/containers/flat_map.h"
namespace cc {
namespace TargetProperty {
// Must be zero-based as this will be stored in a bitset.
enum Type {
TRANSFORM = 0,
SCALE,
ROTATE,
TRANSLATE,
OPACITY,
FILTER,
SCROLL_OFFSET,
BACKGROUND_COLOR,
BOUNDS,
CSS_CUSTOM_PROPERTY,
// This is used for the set of properties whose animation use paint worklet
// infra. The value of the animation represents its progress.
NATIVE_PROPERTY,
BACKDROP_FILTER,
// These sentinels must be last
FIRST_TARGET_PROPERTY = TRANSFORM,
LAST_TARGET_PROPERTY = BACKDROP_FILTER
};
} // namespace TargetProperty
// A map of target property to ElementId.
// flat_map was chosen because there are expected to be relatively few entries
// in the map. For low number of entries, flat_map is known to perform better
// than other map implementations.
struct ElementId;
using PropertyToElementIdMap = base::flat_map<TargetProperty::Type, ElementId>;
} // namespace cc
#endif // CC_TREES_TARGET_PROPERTY_H_
|
