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
54
55
56
57
58
|
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/viz/common/view_transition_element_resource_id.h"
#include "base/check_op.h"
#include "base/strings/stringprintf.h"
#include "third_party/blink/public/common/tokens/tokens.h"
namespace viz {
ViewTransitionElementResourceId::ViewTransitionElementResourceId() = default;
ViewTransitionElementResourceId::~ViewTransitionElementResourceId() = default;
ViewTransitionElementResourceId::ViewTransitionElementResourceId(
const blink::ViewTransitionToken& transition_token,
uint32_t local_id,
bool for_subframe_snapshot)
: transition_token_(transition_token),
local_id_(local_id),
for_subframe_snapshot_(for_subframe_snapshot) {
CHECK_NE(local_id, kInvalidLocalId);
}
bool operator==(const ViewTransitionElementResourceId& lhs,
const ViewTransitionElementResourceId& rhs) {
if (!lhs.IsValid()) {
return !rhs.IsValid();
}
return lhs.local_id_ == rhs.local_id_ &&
lhs.transition_token_ == rhs.transition_token_ &&
lhs.for_subframe_snapshot_ == rhs.for_subframe_snapshot_;
}
bool ViewTransitionElementResourceId::IsValid() const {
return local_id_ != kInvalidLocalId;
}
std::string ViewTransitionElementResourceId::ToString() const {
return base::StringPrintf(
"ViewTransitionElementResourceId : %u [transition: %s, for_subframe: %d]",
local_id_,
transition_token_ ? transition_token_->ToString().c_str() : "invalid",
for_subframe_snapshot_);
}
bool ViewTransitionElementResourceId::MatchesToken(
const base::flat_set<blink::ViewTransitionToken>& tokens) const {
// Subframe snapshot should not match the token, because they are not a part
// of capture for ViewTransition, but rather they are captures to implement
// pausing rendering for a subframe.
return !for_subframe_snapshot_ && transition_token_ &&
tokens.contains(*transition_token_);
}
} // namespace viz
|
