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体验新版 GitCode,发现更多精彩内容 >>
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8ddc5aa4
编写于
8月 05, 2020
作者:
M
Ming Lyu (CareF)
提交者:
GitHub
8月 05, 2020
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差异文件
add a named constructor to FrameTiming (#20269)
上级
aea9046b
变更
2
隐藏空白更改
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并排
Showing
2 changed file
with
37 addition
and
0 deletion
+37
-0
lib/ui/window.dart
lib/ui/window.dart
+22
-0
lib/web_ui/lib/src/ui/window.dart
lib/web_ui/lib/src/ui/window.dart
+15
-0
未找到文件。
lib/ui/window.dart
浏览文件 @
8ddc5aa4
...
...
@@ -92,6 +92,28 @@ class FrameTiming {
FrameTiming
(
List
<
int
>
timestamps
)
:
assert
(
timestamps
.
length
==
FramePhase
.
values
.
length
),
_timestamps
=
timestamps
;
/// Construct [FrameTiming] with given timestamp in micrseconds.
///
/// This constructor is used for unit test only. Real [FrameTiming]s should
/// be retrieved from [Window.onReportTimings].
///
/// TODO(CareF): This is part of #20229. Remove back to default constructor
/// after #20229 lands and corresponding framwork PRs land.
factory
FrameTiming
.
fromTimeStamps
({
int
?
vsyncStart
,
required
int
buildStart
,
required
int
buildFinish
,
required
int
rasterStart
,
required
int
rasterFinish
})
{
return
FrameTiming
(<
int
>[
buildStart
,
buildFinish
,
rasterStart
,
rasterFinish
]);
}
/// This is a raw timestamp in microseconds from some epoch. The epoch in all
/// [FrameTiming] is the same, but it may not match [DateTime]'s epoch.
int
timestampInMicroseconds
(
FramePhase
phase
)
=>
_timestamps
[
phase
.
index
];
...
...
lib/web_ui/lib/src/ui/window.dart
浏览文件 @
8ddc5aa4
...
...
@@ -1033,6 +1033,21 @@ class FrameTiming {
:
assert
(
timestamps
.
length
==
FramePhase
.
values
.
length
),
_timestamps
=
timestamps
;
/// Construct [FrameTiming] with given timestamp in micrseconds.
///
/// This constructor is used for unit test only. Real [FrameTiming]s should
/// be retrieved from [Window.onReportTimings].
///
/// TODO(CareF): This is part of #20229. Remove back to default constructor
/// after #20229 lands and corresponding framwork PRs land.
FrameTiming
.
fromTimeStamps
({
int
?
vsyncStart
,
required
int
buildStart
,
required
int
buildFinish
,
required
int
rasterStart
,
required
int
rasterFinish
})
:
_timestamps
=
<
int
>[
buildStart
,
buildFinish
,
rasterStart
,
rasterFinish
];
/// This is a raw timestamp in microseconds from some epoch. The epoch in all
/// [FrameTiming] is the same, but it may not match [DateTime]'s epoch.
int
timestampInMicroseconds
(
FramePhase
phase
)
=>
_timestamps
[
phase
.
index
];
...
...
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