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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 &= ~DEVICE_TYPE;
     81             mDeviceInfo |= deviceType;
     82             return true;
     83         }
     84         return false;
     85     }
     86 
     87     public boolean isCoupledSinkSupportedAtSource() {
     88         return (mDeviceInfo & COUPLED_SINK_SUPPORT_AT_SINK) != 0;
     89     }
     90 
     91     public void setCoupledSinkSupportAtSource(boolean enabled) {
     92         if (enabled ) {
     93             mDeviceInfo |= COUPLED_SINK_SUPPORT_AT_SINK;
     94         } else {
     95             mDeviceInfo &= ~COUPLED_SINK_SUPPORT_AT_SINK;
     96         }
     97     }
     98 
     99     public boolean isCoupledSinkSupportedAtSink() {
    100         return (mDeviceInfo & COUPLED_SINK_SUPPORT_AT_SINK) != 0;
    101     }
    102 
    103     public void setCoupledSinkSupportAtSink(boolean enabled) {
    104         if (enabled ) {
    105             mDeviceInfo |= COUPLED_SINK_SUPPORT_AT_SINK;
    106         } else {
    107             mDeviceInfo &= ~COUPLED_SINK_SUPPORT_AT_SINK;
    108         }
    109     }
    110 
    111     public boolean isSessionAvailable() {
    112         return (mDeviceInfo & SESSION_AVAILABLE) != 0;
    113     }
    114 
    115     public void setSessionAvailable(boolean enabled) {
    116         if (enabled) {
    117             mDeviceInfo |= SESSION_AVAILABLE_BIT1;
    118             mDeviceInfo &= ~SESSION_AVAILABLE_BIT2;
    119         } else {
    120             mDeviceInfo &= ~SESSION_AVAILABLE;
    121         }
    122     }
    123 
    124     public int getControlPort() {
    125         return mCtrlPort;
    126     }
    127 
    128     public void setControlPort(int port) {
    129         mCtrlPort = port;
    130     }
    131 
    132     public void setMaxThroughput(int maxThroughput) {
    133         mMaxThroughput = maxThroughput;
    134     }
    135 
    136     public int getMaxThroughput() {
    137         return mMaxThroughput;
    138     }
    139 
    140     public String getDeviceInfoHex() {
    141         return String.format(
    142                 Locale.US, "%04x%04x%04x", mDeviceInfo, mCtrlPort, mMaxThroughput);
    143     }
    144 
    145     public String toString() {
    146         StringBuffer sbuf = new StringBuffer();
    147         sbuf.append("WFD enabled: ").append(mWfdEnabled);
    148         sbuf.append("WFD DeviceInfo: ").append(mDeviceInfo);
    149         sbuf.append("\n WFD CtrlPort: ").append(mCtrlPort);
    150         sbuf.append("\n WFD MaxThroughput: ").append(mMaxThroughput);
    151         return sbuf.toString();
    152     }
    153 
    154     /** Implement the Parcelable interface */
    155     public int describeContents() {
    156         return 0;
    157     }
    158 
    159     /** copy constructor */
    160     public WifiP2pWfdInfo(WifiP2pWfdInfo source) {
    161         if (source != null) {
    162             mWfdEnabled = source.mWfdEnabled;
    163             mDeviceInfo = source.mDeviceInfo;
    164             mCtrlPort = source.mCtrlPort;
    165             mMaxThroughput = source.mMaxThroughput;
    166         }
    167     }
    168 
    169     /** Implement the Parcelable interface */
    170     public void writeToParcel(Parcel dest, int flags) {
    171         dest.writeInt(mWfdEnabled ? 1 : 0);
    172         dest.writeInt(mDeviceInfo);
    173         dest.writeInt(mCtrlPort);
    174         dest.writeInt(mMaxThroughput);
    175     }
    176 
    177     public void readFromParcel(Parcel in) {
    178         mWfdEnabled = (in.readInt() == 1);
    179         mDeviceInfo = in.readInt();
    180         mCtrlPort = in.readInt();
    181         mMaxThroughput = in.readInt();
    182     }
    183 
    184     /** Implement the Parcelable interface */
    185     public static final Creator<WifiP2pWfdInfo> CREATOR =
    186         new Creator<WifiP2pWfdInfo>() {
    187             public WifiP2pWfdInfo createFromParcel(Parcel in) {
    188                 WifiP2pWfdInfo device = new WifiP2pWfdInfo();
    189                 device.readFromParcel(in);
    190                 return device;
    191             }
    192 
    193             public WifiP2pWfdInfo[] newArray(int size) {
    194                 return new WifiP2pWfdInfo[size];
    195             }
    196         };
    197 }
    198