SessionTokenImplLegacy.java
/*
* Copyright 2019 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.media3.session;
import static androidx.media3.common.util.Assertions.checkArgument;
import static androidx.media3.common.util.Assertions.checkNotEmpty;
import static androidx.media3.common.util.Assertions.checkNotNull;
import static androidx.media3.session.SessionToken.TYPE_BROWSER_SERVICE_LEGACY;
import static androidx.media3.session.SessionToken.TYPE_LIBRARY_SERVICE;
import static androidx.media3.session.SessionToken.TYPE_SESSION;
import static androidx.media3.session.SessionToken.TYPE_SESSION_LEGACY;
import static java.lang.annotation.ElementType.TYPE_USE;
import android.content.ComponentName;
import android.os.Bundle;
import android.support.v4.media.session.MediaSessionCompat;
import androidx.annotation.IntDef;
import androidx.annotation.Nullable;
import androidx.media3.common.util.Util;
import androidx.media3.session.SessionToken.SessionTokenImpl;
import com.google.common.base.Objects;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/* package */ final class SessionTokenImplLegacy implements SessionTokenImpl {
@Nullable private final MediaSessionCompat.Token legacyToken;
private final int uid;
private final int type;
@Nullable private final ComponentName componentName;
private final String packageName;
private final Bundle extras;
public SessionTokenImplLegacy(
MediaSessionCompat.Token token, String packageName, int uid, Bundle extras) {
legacyToken = checkNotNull(token);
this.uid = uid;
this.packageName = checkNotEmpty(packageName);
componentName = null;
type = TYPE_SESSION_LEGACY;
this.extras = checkNotNull(extras);
}
public SessionTokenImplLegacy(ComponentName serviceComponent, int uid) {
legacyToken = null;
this.uid = uid;
type = TYPE_BROWSER_SERVICE_LEGACY;
packageName = checkNotNull(serviceComponent).getPackageName();
componentName = serviceComponent;
extras = Bundle.EMPTY;
}
private SessionTokenImplLegacy(
@Nullable MediaSessionCompat.Token legacyToken,
int uid,
int type,
@Nullable ComponentName componentName,
String packageName,
Bundle extras) {
this.legacyToken = legacyToken;
this.uid = uid;
this.type = type;
this.componentName = componentName;
this.packageName = packageName;
this.extras = extras;
}
@Override
public int hashCode() {
return Objects.hashCode(type, componentName, legacyToken);
}
@Override
public boolean equals(@Nullable Object obj) {
if (!(obj instanceof SessionTokenImplLegacy)) {
return false;
}
SessionTokenImplLegacy other = (SessionTokenImplLegacy) obj;
if (type != other.type) {
return false;
}
switch (type) {
case TYPE_SESSION_LEGACY:
return Util.areEqual(legacyToken, other.legacyToken);
case TYPE_BROWSER_SERVICE_LEGACY:
return Util.areEqual(componentName, other.componentName);
}
return false;
}
@Override
public boolean isLegacySession() {
return true;
}
@Override
public String toString() {
return "SessionToken {legacyToken=" + legacyToken + "}";
}
@Override
public int getUid() {
return uid;
}
@Override
public String getPackageName() {
return packageName;
}
@Override
public String getServiceName() {
return componentName == null ? "" : componentName.getClassName();
}
@Override
@Nullable
public ComponentName getComponentName() {
return componentName;
}
@Override
@SessionToken.TokenType
public int getType() {
switch (type) {
case TYPE_SESSION_LEGACY:
return TYPE_SESSION;
case TYPE_BROWSER_SERVICE_LEGACY:
return TYPE_LIBRARY_SERVICE;
}
return TYPE_SESSION;
}
@Override
public int getSessionVersion() {
return 0;
}
@Override
public Bundle getExtras() {
return new Bundle(extras);
}
@Override
@Nullable
public Object getBinder() {
return legacyToken;
}
// Bundleable implementation.
@Documented
@Retention(RetentionPolicy.SOURCE)
@Target(TYPE_USE)
@IntDef({
FIELD_LEGACY_TOKEN,
FIELD_UID,
FIELD_TYPE,
FIELD_COMPONENT_NAME,
FIELD_PACKAGE_NAME,
FIELD_EXTRAS
})
private @interface FieldNumber {}
private static final int FIELD_LEGACY_TOKEN = 0;
private static final int FIELD_UID = 1;
private static final int FIELD_TYPE = 2;
private static final int FIELD_COMPONENT_NAME = 3;
private static final int FIELD_PACKAGE_NAME = 4;
private static final int FIELD_EXTRAS = 5;
@Override
public Bundle toBundle() {
Bundle bundle = new Bundle();
bundle.putBundle(
keyForField(FIELD_LEGACY_TOKEN), legacyToken == null ? null : legacyToken.toBundle());
bundle.putInt(keyForField(FIELD_UID), uid);
bundle.putInt(keyForField(FIELD_TYPE), type);
bundle.putParcelable(keyForField(FIELD_COMPONENT_NAME), componentName);
bundle.putString(keyForField(FIELD_PACKAGE_NAME), packageName);
bundle.putBundle(keyForField(FIELD_EXTRAS), extras);
return bundle;
}
/** Object that can restore {@link SessionTokenImplLegacy} from a {@link Bundle}. */
public static final Creator<SessionTokenImplLegacy> CREATOR = SessionTokenImplLegacy::fromBundle;
private static SessionTokenImplLegacy fromBundle(Bundle bundle) {
@Nullable Bundle legacyTokenBundle = bundle.getBundle(keyForField(FIELD_LEGACY_TOKEN));
@Nullable
MediaSessionCompat.Token legacyToken =
legacyTokenBundle == null ? null : MediaSessionCompat.Token.fromBundle(legacyTokenBundle);
checkArgument(bundle.containsKey(keyForField(FIELD_UID)), "uid should be set.");
int uid = bundle.getInt(keyForField(FIELD_UID));
checkArgument(bundle.containsKey(keyForField(FIELD_TYPE)), "type should be set.");
int type = bundle.getInt(keyForField(FIELD_TYPE));
@Nullable ComponentName componentName = bundle.getParcelable(keyForField(FIELD_COMPONENT_NAME));
String packageName =
checkNotEmpty(
bundle.getString(keyForField(FIELD_PACKAGE_NAME)), "package name should be set.");
@Nullable Bundle extras = bundle.getBundle(keyForField(FIELD_EXTRAS));
return new SessionTokenImplLegacy(
legacyToken, uid, type, componentName, packageName, extras == null ? Bundle.EMPTY : extras);
}
private static String keyForField(@FieldNumber int field) {
return Integer.toString(field, Character.MAX_RADIX);
}
}