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flexbox-layout
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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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880d7716
编写于
6月 27, 2017
作者:
T
Takeshi Hagikura
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电子邮件补丁
差异文件
Handle the case layout direction is RTL when scroling horizontally (#317)
上级
48793ddb
变更
1
隐藏空白更改
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并排
Showing
1 changed file
with
20 addition
and
10 deletion
+20
-10
flexbox/src/main/java/com/google/android/flexbox/FlexboxLayoutManager.java
...java/com/google/android/flexbox/FlexboxLayoutManager.java
+20
-10
未找到文件。
flexbox/src/main/java/com/google/android/flexbox/FlexboxLayoutManager.java
浏览文件 @
880d7716
...
...
@@ -588,7 +588,6 @@ public class FlexboxLayoutManager extends RecyclerView.LayoutManager implements
updateDirtyPosition
(
positionStart
);
}
@Override
public
void
onItemsUpdated
(
RecyclerView
recyclerView
,
int
positionStart
,
int
itemCount
,
Object
payload
)
{
...
...
@@ -819,7 +818,6 @@ public class FlexboxLayoutManager extends RecyclerView.LayoutManager implements
int
widthMeasureSpec
=
View
.
MeasureSpec
.
makeMeasureSpec
(
getWidth
(),
getWidthMode
());
//noinspection ResourceType
int
heightMeasureSpec
=
View
.
MeasureSpec
.
makeMeasureSpec
(
getHeight
(),
getHeightMode
());
FlexboxHelper
.
FlexLinesResult
flexLinesResult
;
int
width
=
getWidth
();
int
height
=
getHeight
();
boolean
isMainSizeChanged
;
...
...
@@ -1482,7 +1480,6 @@ public class FlexboxLayoutManager extends RecyclerView.LayoutManager implements
int
paddingBottom
=
getPaddingBottom
();
int
parentHeight
=
getHeight
();
// Either childLeft or childRight is used depending on the layoutState.mLayoutDirection
int
childLeft
=
layoutState
.
mOffset
;
if
(
layoutState
.
mLayoutDirection
==
LayoutState
.
LAYOUT_START
)
{
childLeft
=
childLeft
-
flexLine
.
mCrossSize
;
...
...
@@ -1859,13 +1856,27 @@ public class FlexboxLayoutManager extends RecyclerView.LayoutManager implements
boolean
isMainAxisHorizontal
=
isMainAxisDirectionHorizontal
();
int
parentLength
=
isMainAxisHorizontal
?
mParent
.
getWidth
()
:
mParent
.
getHeight
();
int
mainAxisLength
=
isMainAxisHorizontal
?
getWidth
()
:
getHeight
();
if
(
delta
>
0
)
{
delta
=
Math
.
min
(
mainAxisLength
-
mAnchorInfo
.
mPerpendicularCoordinate
-
parentLength
,
delta
);
boolean
layoutRtl
=
getLayoutDirection
()
==
ViewCompat
.
LAYOUT_DIRECTION_RTL
;
if
(
layoutRtl
)
{
int
absDelta
=
Math
.
abs
(
delta
);
if
(
delta
<
0
)
{
delta
=
Math
.
min
(
mainAxisLength
+
mAnchorInfo
.
mPerpendicularCoordinate
-
parentLength
,
absDelta
);
delta
=
-
delta
;
}
else
{
delta
=
mAnchorInfo
.
mPerpendicularCoordinate
+
delta
>
0
?
-
mAnchorInfo
.
mPerpendicularCoordinate
:
delta
;
}
}
else
{
delta
=
mAnchorInfo
.
mPerpendicularCoordinate
+
delta
>=
0
?
delta
:
-
mAnchorInfo
.
mPerpendicularCoordinate
;
if
(
delta
>
0
)
{
delta
=
Math
.
min
(
mainAxisLength
-
mAnchorInfo
.
mPerpendicularCoordinate
-
parentLength
,
delta
);
}
else
{
delta
=
mAnchorInfo
.
mPerpendicularCoordinate
+
delta
>=
0
?
delta
:
-
mAnchorInfo
.
mPerpendicularCoordinate
;
}
}
return
delta
;
}
...
...
@@ -1880,7 +1891,6 @@ public class FlexboxLayoutManager extends RecyclerView.LayoutManager implements
*/
private
void
updateLayoutState
(
int
layoutDirection
,
int
absDelta
)
{
assert
mFlexboxHelper
.
mIndexToFlexLine
!=
null
;
// TODO: Consider updating LayoutState#mExtra to support better smooth scrolling
mLayoutState
.
mLayoutDirection
=
layoutDirection
;
boolean
mainAxisHorizontal
=
isMainAxisDirectionHorizontal
();
...
...
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