SliceItemHolder.java
/*
* Copyright 2018 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 androidx.slice;
import static android.app.slice.SliceItem.FORMAT_ACTION;
import static android.app.slice.SliceItem.FORMAT_IMAGE;
import static android.app.slice.SliceItem.FORMAT_INT;
import static android.app.slice.SliceItem.FORMAT_LONG;
import static android.app.slice.SliceItem.FORMAT_REMOTE_INPUT;
import static android.app.slice.SliceItem.FORMAT_SLICE;
import static android.app.slice.SliceItem.FORMAT_TEXT;
import android.app.PendingIntent;
import android.os.Parcelable;
import android.text.Spanned;
import androidx.annotation.RequiresApi;
import androidx.annotation.RestrictTo;
import androidx.core.text.HtmlCompat;
import androidx.core.util.Pair;
import androidx.versionedparcelable.ParcelField;
import androidx.versionedparcelable.VersionedParcelable;
import androidx.versionedparcelable.VersionedParcelize;
/**
* @hide
*/
@RestrictTo(RestrictTo.Scope.LIBRARY)
@VersionedParcelize(allowSerialization = true, ignoreParcelables = true)
@RequiresApi(19)
public class SliceItemHolder implements VersionedParcelable {
// VersionedParcelable fields for custom serialization.
@ParcelField(1)
VersionedParcelable mVersionedParcelable;
@ParcelField(2)
Parcelable mParcelable;
@ParcelField(3)
String mStr;
@ParcelField(4)
int mInt;
@ParcelField(5)
long mLong;
public SliceItemHolder() {
}
public SliceItemHolder(String format, Object mObj, boolean isStream) {
switch (format) {
case FORMAT_ACTION:
if (((Pair<Object, Slice>) mObj).first instanceof PendingIntent) {
if (isStream) {
throw new IllegalArgumentException("Cannot write PendingIntent to stream");
} else {
mParcelable = (Parcelable) ((Pair<Object, Slice>) mObj).first;
}
} else if (!isStream) {
throw new IllegalArgumentException("Cannot write callback to parcel");
}
mVersionedParcelable = ((Pair<Object, Slice>) mObj).second;
break;
case FORMAT_IMAGE:
case FORMAT_SLICE:
mVersionedParcelable = (VersionedParcelable) mObj;
break;
case FORMAT_REMOTE_INPUT:
if (isStream) {
throw new IllegalArgumentException("Cannot write RemoteInput to stream");
}
mParcelable = (Parcelable) mObj;
break;
case FORMAT_TEXT:
mStr = mObj instanceof Spanned ? HtmlCompat.toHtml((Spanned) mObj,
HtmlCompat.TO_HTML_PARAGRAPH_LINES_CONSECUTIVE) : (String) mObj;
break;
case FORMAT_INT:
mInt = (Integer) mObj;
break;
case FORMAT_LONG:
mLong = (Long) mObj;
break;
}
}
/**
* Gets object that should be held by SliceItem.
*/
public Object getObj(String format) {
switch (format) {
case FORMAT_ACTION:
return new Pair<Object, Slice>(mParcelable, (Slice) mVersionedParcelable);
case FORMAT_IMAGE:
case FORMAT_SLICE:
return mVersionedParcelable;
case FORMAT_REMOTE_INPUT:
return mParcelable;
case FORMAT_TEXT:
if (mStr == null || mStr.length() == 0) {
return "";
}
return HtmlCompat.fromHtml(mStr, HtmlCompat.FROM_HTML_MODE_LEGACY);
case FORMAT_INT:
return mInt;
case FORMAT_LONG:
return mLong;
default:
throw new IllegalArgumentException("Unrecognized format " + format);
}
}
}