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/*
* Copyright (C) 2014 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.hardware.hdmi;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.SystemApi;
import android.os.Parcel;
import android.os.Parcelable;
/**
* A class to encapsulate HDMI port information. Contains the capability of the ports such as
* HDMI-CEC, MHL, ARC(Audio Return Channel), and physical address assigned to each port.
*
* @hide
*/
@SystemApi
public final class HdmiPortInfo implements Parcelable {
/** HDMI port type: Input */
public static final int PORT_INPUT = 0;
/** HDMI port type: Output */
public static final int PORT_OUTPUT = 1;
private final int mId;
private final int mType;
private final int mAddress;
private final boolean mCecSupported;
private final boolean mArcSupported;
private final boolean mMhlSupported;
/**
* Constructor.
*
* @param id identifier assigned to each port. 1 for HDMI port 1
* @param type HDMI port input/output type
* @param address physical address of the port
* @param cec {@code true} if HDMI-CEC is supported on the port
* @param mhl {@code true} if MHL is supported on the port
* @param arc {@code true} if audio return channel is supported on the port
*/
public HdmiPortInfo(int id, int type, int address, boolean cec, boolean mhl, boolean arc) {
mId = id;
mType = type;
mAddress = address;
mCecSupported = cec;
mArcSupported = arc;
mMhlSupported = mhl;
}
/**
* Returns the port id.
*
* @return port id
*/
public int getId() {
return mId;
}
/**
* Returns the port type.
*
* @return port type
*/
public int getType() {
return mType;
}
/**
* Returns the port address.
*
* @return port address
*/
public int getAddress() {
return mAddress;
}
/**
* Returns {@code true} if the port supports HDMI-CEC signaling.
*
* @return {@code true} if the port supports HDMI-CEC signaling.
*/
public boolean isCecSupported() {
return mCecSupported;
}
/**
* Returns {@code true} if the port supports MHL signaling.
*
* @return {@code true} if the port supports MHL signaling.
*/
public boolean isMhlSupported() {
return mMhlSupported;
}
/**
* Returns {@code true} if the port supports audio return channel.
*
* @return {@code true} if the port supports audio return channel
*/
public boolean isArcSupported() {
return mArcSupported;
}
/**
* Describes the kinds of special objects contained in this Parcelable's
* marshalled representation.
*/
@Override
public int describeContents() {
return 0;
}
/**
* A helper class to deserialize {@link HdmiPortInfo} for a parcel.
*/
public static final @android.annotation.NonNull Parcelable.Creator<HdmiPortInfo> CREATOR =
new Parcelable.Creator<HdmiPortInfo>() {
@Override
public HdmiPortInfo createFromParcel(Parcel source) {
int id = source.readInt();
int type = source.readInt();
int address = source.readInt();
boolean cec = (source.readInt() == 1);
boolean arc = (source.readInt() == 1);
boolean mhl = (source.readInt() == 1);
return new HdmiPortInfo(id, type, address, cec, mhl, arc);
}
@Override
public HdmiPortInfo[] newArray(int size) {
return new HdmiPortInfo[size];
}
};
/**
* Serializes this object into a {@link Parcel}.
*
* @param dest The Parcel in which the object should be written.
* @param flags Additional flags about how the object should be written.
* May be 0 or {@link Parcelable#PARCELABLE_WRITE_RETURN_VALUE}.
* @hide
*/
@SystemApi
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(mId);
dest.writeInt(mType);
dest.writeInt(mAddress);
dest.writeInt(mCecSupported ? 1 : 0);
dest.writeInt(mArcSupported ? 1 : 0);
dest.writeInt(mMhlSupported ? 1 : 0);
}
@NonNull
@Override
public String toString() {
StringBuilder s = new StringBuilder();
s.append("port_id: ").append(mId).append(", ");
s.append("type: ").append((mType == PORT_INPUT) ? "HDMI_IN" : "HDMI_OUT").append(", ");
s.append("address: ").append(String.format("0x%04x", mAddress)).append(", ");
s.append("cec: ").append(mCecSupported).append(", ");
s.append("arc: ").append(mArcSupported).append(", ");
s.append("mhl: ").append(mMhlSupported);
return s.toString();
}
@Override
public boolean equals(@Nullable Object o) {
if (!(o instanceof HdmiPortInfo)) {
return false;
}
final HdmiPortInfo other = (HdmiPortInfo) o;
return mId == other.mId && mType == other.mType && mAddress == other.mAddress
&& mCecSupported == other.mCecSupported && mArcSupported == other.mArcSupported
&& mMhlSupported == other.mMhlSupported;
}
@Override
public int hashCode() {
return java.util.Objects.hash(
mId, mType, mAddress, mCecSupported, mArcSupported, mMhlSupported);
}
}
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