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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.net.wifi.p2p;
     18 
     19 import android.os.Parcelable;
     20 import android.os.Parcel;
     21 
     22 import java.util.Locale;
     23 
     24 /**
     25  * A class representing Wifi Display information for a device
     26  * @hide
     27  */
     28 public class WifiP2pWfdInfo implements Parcelable {
     29 
     30     private static final String TAG = "WifiP2pWfdInfo";
     31 
     32     private boolean mWfdEnabled;
     33 
     34     private int mDeviceInfo;
     35 
     36     public static final int WFD_SOURCE              = 0;
     37     public static final int PRIMARY_SINK            = 1;
     38     public static final int SECONDARY_SINK          = 2;
     39     public static final int SOURCE_OR_PRIMARY_SINK  = 3;
     40 
     41     /* Device information bitmap */
     42     /** One of {@link #WFD_SOURCE}, {@link #PRIMARY_SINK}, {@link #SECONDARY_SINK}
     43      * or {@link #SOURCE_OR_PRIMARY_SINK}
     44      */
     45     private static final int DEVICE_TYPE                            = 0x3;
     46     private static final int COUPLED_SINK_SUPPORT_AT_SOURCE         = 0x4;
     47     private static final int COUPLED_SINK_SUPPORT_AT_SINK           = 0x8;
     48     private static final int SESSION_AVAILABLE                      = 0x30;
     49     private static final int SESSION_AVAILABLE_BIT1                 = 0x10;
     50     private static final int SESSION_AVAILABLE_BIT2                 = 0x20;
     51 
     52     private int mCtrlPort;
     53 
     54     private int mMaxThroughput;
     55 
     56     public WifiP2pWfdInfo() {
     57     }
     58 
     59     public WifiP2pWfdInfo(int devInfo, int ctrlPort, int maxTput) {
     60         mWfdEnabled = true;
     61         mDeviceInfo = devInfo;
     62         mCtrlPort = ctrlPort;
     63         mMaxThroughput = maxTput;
     64     }
     65 
     66     public boolean isWfdEnabled() {
     67         return mWfdEnabled;
     68     }
     69 
     70     public void setWfdEnabled(boolean enabled) {
     71         mWfdEnabled = enabled;
     72     }
     73 
     74     public int getDeviceType() {
     75         return (mDeviceInfo & DEVICE_TYPE);
     76     }
     77 
     78     public boolean setDeviceType(int deviceType) {
     79         if (deviceType >= WFD_SOURCE && deviceType <= SOURCE_OR_PRIMARY_SINK) {
     80             mDeviceInfo |= deviceType;
     81             return true;
     82         }
     83         return false;
     84     }
     85 
     86     public boolean isCoupledSinkSupportedAtSource() {
     87         return (mDeviceInfo & COUPLED_SINK_SUPPORT_AT_SINK) != 0;
     88     }
     89 
     90     public void setCoupledSinkSupportAtSource(boolean enabled) {
     91         if (enabled ) {
     92             mDeviceInfo |= COUPLED_SINK_SUPPORT_AT_SINK;
     93         } else {
     94             mDeviceInfo &= ~COUPLED_SINK_SUPPORT_AT_SINK;
     95         }
     96     }
     97 
     98     public boolean isCoupledSinkSupportedAtSink() {
     99         return (mDeviceInfo & COUPLED_SINK_SUPPORT_AT_SINK) != 0;
    100     }
    101 
    102     public void setCoupledSinkSupportAtSink(boolean enabled) {
    103         if (enabled ) {
    104             mDeviceInfo |= COUPLED_SINK_SUPPORT_AT_SINK;
    105         } else {
    106             mDeviceInfo &= ~COUPLED_SINK_SUPPORT_AT_SINK;
    107         }
    108     }
    109 
    110     public boolean isSessionAvailable() {
    111         return (mDeviceInfo & SESSION_AVAILABLE) != 0;
    112     }
    113 
    114     public void setSessionAvailable(boolean enabled) {
    115         if (enabled) {
    116             mDeviceInfo |= SESSION_AVAILABLE_BIT1;
    117             mDeviceInfo &= ~SESSION_AVAILABLE_BIT2;
    118         } else {
    119             mDeviceInfo &= ~SESSION_AVAILABLE;
    120         }
    121     }
    122 
    123     public int getControlPort() {
    124         return mCtrlPort;
    125     }
    126 
    127     public void setControlPort(int port) {
    128         mCtrlPort = port;
    129     }
    130 
    131     public void setMaxThroughput(int maxThroughput) {
    132         mMaxThroughput = maxThroughput;
    133     }
    134 
    135     public int getMaxThroughput() {
    136         return mMaxThroughput;
    137     }
    138 
    139     public String getDeviceInfoHex() {
    140         return String.format(
    141                 Locale.US, "%04x%04x%04x%04x", 6, mDeviceInfo, mCtrlPort, mMaxThroughput);
    142     }
    143 
    144     public String toString() {
    145         StringBuffer sbuf = new StringBuffer();
    146         sbuf.append("WFD enabled: ").append(mWfdEnabled);
    147         sbuf.append("WFD DeviceInfo: ").append(mDeviceInfo);
    148         sbuf.append("\n WFD CtrlPort: ").append(mCtrlPort);
    149         sbuf.append("\n WFD MaxThroughput: ").append(mMaxThroughput);
    150         return sbuf.toString();
    151     }
    152 
    153     /** Implement the Parcelable interface */
    154     public int describeContents() {
    155         return 0;
    156     }
    157 
    158     /** copy constructor */
    159     public WifiP2pWfdInfo(WifiP2pWfdInfo source) {
    160         if (source != null) {
    161             mWfdEnabled = source.mWfdEnabled;
    162             mDeviceInfo = source.mDeviceInfo;
    163             mCtrlPort = source.mCtrlPort;
    164             mMaxThroughput = source.mMaxThroughput;
    165         }
    166     }
    167 
    168     /** Implement the Parcelable interface */
    169     public void writeToParcel(Parcel dest, int flags) {
    170         dest.writeInt(mWfdEnabled ? 1 : 0);
    171         dest.writeInt(mDeviceInfo);
    172         dest.writeInt(mCtrlPort);
    173         dest.writeInt(mMaxThroughput);
    174     }
    175 
    176     public void readFromParcel(Parcel in) {
    177         mWfdEnabled = (in.readInt() == 1);
    178         mDeviceInfo = in.readInt();
    179         mCtrlPort = in.readInt();
    180         mMaxThroughput = in.readInt();
    181     }
    182 
    183     /** Implement the Parcelable interface */
    184     public static final Creator<WifiP2pWfdInfo> CREATOR =
    185         new Creator<WifiP2pWfdInfo>() {
    186             public WifiP2pWfdInfo createFromParcel(Parcel in) {
    187                 WifiP2pWfdInfo device = new WifiP2pWfdInfo();
    188                 device.readFromParcel(in);
    189                 return device;
    190             }
    191 
    192             public WifiP2pWfdInfo[] newArray(int size) {
    193                 return new WifiP2pWfdInfo[size];
    194             }
    195         };
    196 }
    197