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A library jar that provides APIs for Applications written for the Google Android Platform.

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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.media.tv;

import android.annotation.SystemApi;
import android.media.AudioManager;
import android.os.Parcel;
import android.os.Parcelable;
import android.util.Log;

/**
 * Simple container for information about TV input hardware.
 * Not for third-party developers.
 *
 * @hide
 */
@SystemApi
public final class TvInputHardwareInfo implements Parcelable {
    static final String TAG = "TvInputHardwareInfo";

    // Match hardware/libhardware/include/hardware/tv_input.h
    public static final int TV_INPUT_TYPE_OTHER_HARDWARE = 1;
    public static final int TV_INPUT_TYPE_TUNER          = 2;
    public static final int TV_INPUT_TYPE_COMPOSITE      = 3;
    public static final int TV_INPUT_TYPE_SVIDEO         = 4;
    public static final int TV_INPUT_TYPE_SCART          = 5;
    public static final int TV_INPUT_TYPE_COMPONENT      = 6;
    public static final int TV_INPUT_TYPE_VGA            = 7;
    public static final int TV_INPUT_TYPE_DVI            = 8;
    public static final int TV_INPUT_TYPE_HDMI           = 9;
    public static final int TV_INPUT_TYPE_DISPLAY_PORT   = 10;

    public static final Parcelable.Creator CREATOR =
            new Parcelable.Creator() {
        @Override
        public TvInputHardwareInfo createFromParcel(Parcel source) {
            try {
                TvInputHardwareInfo info = new TvInputHardwareInfo();
                info.readFromParcel(source);
                return info;
            } catch (Exception e) {
                Log.e(TAG, "Exception creating TvInputHardwareInfo from parcel", e);
                return null;
            }
        }

        @Override
        public TvInputHardwareInfo[] newArray(int size) {
            return new TvInputHardwareInfo[size];
        }
    };

    private int mDeviceId;
    private int mType;
    private int mAudioType;
    private String mAudioAddress;
    private int mHdmiPortId;

    private TvInputHardwareInfo() {
    }

    public int getDeviceId() {
        return mDeviceId;
    }

    public int getType() {
        return mType;
    }

    public int getAudioType() {
        return mAudioType;
    }

    public String getAudioAddress() {
        return mAudioAddress;
    }

    public int getHdmiPortId() {
        if (mType != TV_INPUT_TYPE_HDMI) {
            throw new IllegalStateException();
        }
        return mHdmiPortId;
    }

    @Override
    public String toString() {
        StringBuilder b = new StringBuilder(128);
        b.append("TvInputHardwareInfo {id=").append(mDeviceId);
        b.append(", type=").append(mType);
        b.append(", audio_type=").append(mAudioType);
        b.append(", audio_addr=").append(mAudioAddress);
        if (mType == TV_INPUT_TYPE_HDMI) {
            b.append(", hdmi_port=").append(mHdmiPortId);
        }
        b.append("}");
        return b.toString();
    }

    // Parcelable
    @Override
    public int describeContents() {
        return 0;
    }

    @Override
    public void writeToParcel(Parcel dest, int flags) {
        dest.writeInt(mDeviceId);
        dest.writeInt(mType);
        dest.writeInt(mAudioType);
        dest.writeString(mAudioAddress);
        if (mType == TV_INPUT_TYPE_HDMI) {
            dest.writeInt(mHdmiPortId);
        }
    }

    public void readFromParcel(Parcel source) {
        mDeviceId = source.readInt();
        mType = source.readInt();
        mAudioType = source.readInt();
        mAudioAddress = source.readString();
        if (mType == TV_INPUT_TYPE_HDMI) {
            mHdmiPortId = source.readInt();
        }
    }

    public static final class Builder {
        private Integer mDeviceId = null;
        private Integer mType = null;
        private int mAudioType = AudioManager.DEVICE_NONE;
        private String mAudioAddress = "";
        private Integer mHdmiPortId = null;

        public Builder() {
        }

        public Builder deviceId(int deviceId) {
            mDeviceId = deviceId;
            return this;
        }

        public Builder type(int type) {
            mType = type;
            return this;
        }

        public Builder audioType(int audioType) {
            mAudioType = audioType;
            return this;
        }

        public Builder audioAddress(String audioAddress) {
            mAudioAddress = audioAddress;
            return this;
        }

        public Builder hdmiPortId(int hdmiPortId) {
            mHdmiPortId = hdmiPortId;
            return this;
        }

        public TvInputHardwareInfo build() {
            if (mDeviceId == null || mType == null) {
                throw new UnsupportedOperationException();
            }
            if ((mType == TV_INPUT_TYPE_HDMI && mHdmiPortId == null) ||
                    (mType != TV_INPUT_TYPE_HDMI && mHdmiPortId != null)) {
                throw new UnsupportedOperationException();
            }

            TvInputHardwareInfo info = new TvInputHardwareInfo();
            info.mDeviceId = mDeviceId;
            info.mType = mType;
            info.mAudioType = mAudioType;
            if (info.mAudioType != AudioManager.DEVICE_NONE) {
                info.mAudioAddress = mAudioAddress;
            }
            if (mHdmiPortId != null) {
                info.mHdmiPortId = mHdmiPortId;
            }
            return info;
        }
    }
}




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