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VideoLAN
VLC-Android
Commits
e3e89457
Commit
e3e89457
authored
8 years ago
by
Geoffrey Métais
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Backport AbsSavedState from AppCompat v24
parent
f8dff2f9
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vlc-android/src/com/android/support/v4/view/AbsSavedState.java
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...ndroid/src/com/android/support/v4/view/AbsSavedState.java
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vlc-android/src/com/android/support/v4/view/AbsSavedState.java
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e3e89457
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package
android.support.v4.view
;
import
android.os.Parcel
;
import
android.os.Parcelable
;
import
android.support.v4.os.ParcelableCompat
;
import
android.support.v4.os.ParcelableCompatCreatorCallbacks
;
/**
* A {@link Parcelable} implementation that should be used by inheritance
* hierarchies to ensure the state of all classes along the chain is saved.
*/
public
abstract
class
AbsSavedState
implements
Parcelable
{
public
static
final
AbsSavedState
EMPTY_STATE
=
new
AbsSavedState
()
{};
private
final
Parcelable
mSuperState
;
/**
* Constructor used to make the EMPTY_STATE singleton
*/
private
AbsSavedState
()
{
mSuperState
=
null
;
}
/**
* Constructor called by derived classes when creating their SavedState objects
*
* @param superState The state of the superclass of this view
*/
protected
AbsSavedState
(
Parcelable
superState
)
{
if
(
superState
==
null
)
{
throw
new
IllegalArgumentException
(
"superState must not be null"
);
}
mSuperState
=
superState
!=
EMPTY_STATE
?
superState
:
null
;
}
/**
* Constructor used when reading from a parcel. Reads the state of the superclass.
*
* @param source parcel to read from
*/
protected
AbsSavedState
(
Parcel
source
)
{
this
(
source
,
null
);
}
/**
* Constructor used when reading from a parcel. Reads the state of the superclass.
*
* @param source parcel to read from
* @param loader ClassLoader to use for reading
*/
protected
AbsSavedState
(
Parcel
source
,
ClassLoader
loader
)
{
Parcelable
superState
=
source
.
readParcelable
(
loader
);
mSuperState
=
superState
!=
null
?
superState
:
EMPTY_STATE
;
}
final
public
Parcelable
getSuperState
()
{
return
mSuperState
;
}
public
int
describeContents
()
{
return
0
;
}
public
void
writeToParcel
(
Parcel
dest
,
int
flags
)
{
dest
.
writeParcelable
(
mSuperState
,
flags
);
}
public
static
final
Parcelable
.
Creator
<
AbsSavedState
>
CREATOR
=
ParcelableCompat
.
newCreator
(
new
ParcelableCompatCreatorCallbacks
<
AbsSavedState
>()
{
@Override
public
AbsSavedState
createFromParcel
(
Parcel
in
,
ClassLoader
loader
)
{
Parcelable
superState
=
in
.
readParcelable
(
loader
);
if
(
superState
!=
null
)
{
throw
new
IllegalStateException
(
"superState must be null"
);
}
return
EMPTY_STATE
;
}
@Override
public
AbsSavedState
[]
newArray
(
int
size
)
{
return
new
AbsSavedState
[
size
];
}
});
}
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Geoffrey Métais
@Dekans
mentioned in commit
4d22cc58
·
8 years ago
mentioned in commit
4d22cc58
mentioned in commit 4d22cc5847dc35598583ab0d49b4b104699436ce
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