diff options
Diffstat (limited to 'telephony/java/android/telephony/CellInfo.java')
| -rw-r--r-- | telephony/java/android/telephony/CellInfo.java | 245 |
1 files changed, 111 insertions, 134 deletions
diff --git a/telephony/java/android/telephony/CellInfo.java b/telephony/java/android/telephony/CellInfo.java index 9bea30c..5fdf7c0 100644 --- a/telephony/java/android/telephony/CellInfo.java +++ b/telephony/java/android/telephony/CellInfo.java @@ -1,5 +1,5 @@ /* - * Copyright (C) 2008 The Android Open Source Project + * Copyright (C) 2012 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. @@ -20,194 +20,171 @@ import android.os.Parcel; import android.os.Parcelable; /** - * Represent one snapshot observation of one cell info - * which contains the time of observation. + * Immutable cell information from a point in time. * - * @hide Pending API review + * @hide */ -public final class CellInfo implements Parcelable { - // Type to distinguish where time stamp gets recorded. - public static final int CELL_INFO_TIMESTAMP_TYPE_UNKNOWN = 0; - public static final int CELL_INFO_TIMESTAMP_TYPE_ANTENNA = 1; - public static final int CELL_INFO_TIMESTAMP_TYPE_MODEM = 2; - public static final int CELL_INFO_TIMESTAMP_TYPE_OEM_RIL = 3; - public static final int CELL_INFO_TIMESTAMP_TYPE_JAVA_RIL = 4; +public class CellInfo implements Parcelable { - // Observation time stamped as type in nanoseconds since boot - private final long mTimeStamp; - // Where time stamp gets recorded. - // Value of CELL_INFO_TIMESTAMP_TYPE_XXXX - private final int mTimeStampType; + // Type fields for parceling + protected static final int TYPE_GSM = 1; + protected static final int TYPE_CDMA = 2; + protected static final int TYPE_LTE = 3; - private final boolean mRegistered; + // Type to distinguish where time stamp gets recorded. - private final SignalStrength mStrength; - private final long mTimingAdvance; + /** @hide */ + public static final int TIMESTAMP_TYPE_UNKNOWN = 0; + /** @hide */ + public static final int TIMESTAMP_TYPE_ANTENNA = 1; + /** @hide */ + public static final int TIMESTAMP_TYPE_MODEM = 2; + /** @hide */ + public static final int TIMESTAMP_TYPE_OEM_RIL = 3; + /** @hide */ + public static final int TIMESTAMP_TYPE_JAVA_RIL = 4; - private final int mCellIdentityType; - private final CellIdentity mCellIdentity; + // True if device is mRegistered to the mobile network + private boolean mRegistered; - /** - * Public constructor - * @param timeStampType is one of CELL_INFO_TIMESTAMP_TYPE_XXXX - * @param timeStamp is observation time in nanoseconds since boot - * @param timingAdv is observed timing advance - * @param registered is true when register to this cellIdentity - * @param strength is observed signal strength - * @param cellIdentity is observed mobile cell - */ - public CellInfo(int timeStampType, long timeStamp, long timingAdv, - boolean registered, SignalStrength strength, - CellIdentity cellIdentity) { - - if (timeStampType < CELL_INFO_TIMESTAMP_TYPE_UNKNOWN || - timeStampType > CELL_INFO_TIMESTAMP_TYPE_JAVA_RIL) { - mTimeStampType = CELL_INFO_TIMESTAMP_TYPE_UNKNOWN; - } else { - mTimeStampType = timeStampType; - } + // Observation time stamped as type in nanoseconds since boot + private long mTimeStamp; - mRegistered = registered; - mTimeStamp = timeStamp; - mTimingAdvance = timingAdv; - mStrength = new SignalStrength(strength); + // Where time stamp gets recorded. + // Value of TIMESTAMP_TYPE_XXXX + private int mTimeStampType; - mCellIdentityType = cellIdentity.getCellIdType(); - // TODO: make defense copy - mCellIdentity = cellIdentity; + protected CellInfo() { + this.mRegistered = false; + this.mTimeStampType = TIMESTAMP_TYPE_UNKNOWN; + this.mTimeStamp = Long.MAX_VALUE; } - public CellInfo(CellInfo ci) { - this.mTimeStampType = ci.mTimeStampType; + protected CellInfo(CellInfo ci) { this.mRegistered = ci.mRegistered; + this.mTimeStampType = ci.mTimeStampType; this.mTimeStamp = ci.mTimeStamp; - this.mTimingAdvance = ci.mTimingAdvance; - this.mCellIdentityType = ci.mCellIdentityType; - this.mStrength = new SignalStrength(ci.mStrength); - switch(mCellIdentityType) { - case CellIdentity.CELLID_TYPE_GSM: - mCellIdentity = new GsmCellIdentity((GsmCellIdentity)ci.mCellIdentity); - break; - default: - mCellIdentity = null; - } } - private CellInfo(Parcel in) { - mTimeStampType = in.readInt(); - mRegistered = (in.readInt() == 1) ? true : false; - mTimeStamp = in.readLong(); - mTimingAdvance = in.readLong(); - mCellIdentityType = in.readInt(); - mStrength = SignalStrength.CREATOR.createFromParcel(in); - switch(mCellIdentityType) { - case CellIdentity.CELLID_TYPE_GSM: - mCellIdentity = GsmCellIdentity.CREATOR.createFromParcel(in); - break; - default: - mCellIdentity = null; - } + /** True if this cell is registered to the mobile network */ + public boolean isRegistered() { + return mRegistered; + } + /** @hide */ + public void setRegisterd(boolean registered) { + mRegistered = registered; } - /** - * @return the observation time in nanoseconds since boot - */ + /** Approximate time of this cell information in nanos since boot */ public long getTimeStamp() { return mTimeStamp; } + /** @hide */ + public void setTimeStamp(long timeStamp) { + mTimeStamp = timeStamp; + } /** - * @return Where time stamp gets recorded. - * one of CELL_INFO_TIMESTAMP_TYPE_XXXX + * Where time stamp gets recorded. + * @return one of TIMESTAMP_TYPE_XXXX + * + * @hide */ public int getTimeStampType() { return mTimeStampType; } - - /** - * @return true when register to this cellIdentity - */ - public boolean isRegistered() { - return mRegistered; - } - - /** - * @return observed timing advance - */ - public long getTimingAdvance() { - return mTimingAdvance; - } - - /** - * @return observed signal strength - */ - public SignalStrength getSignalStrength() { - // make a defense copy - return new SignalStrength(mStrength); + /** @hide */ + public void setTimeStampType(int timeStampType) { + if (timeStampType < TIMESTAMP_TYPE_UNKNOWN || timeStampType > TIMESTAMP_TYPE_JAVA_RIL) { + mTimeStampType = TIMESTAMP_TYPE_UNKNOWN; + } else { + mTimeStampType = timeStampType; + } } - /** - * @return observed cell identity - */ - public CellIdentity getCellIdentity() { - // TODO: make a defense copy - return mCellIdentity; + @Override + public int hashCode() { + int primeNum = 31; + return ((mRegistered ? 0 : 1) * primeNum) + ((int)(mTimeStamp / 1000) * primeNum) + + (mTimeStampType * primeNum); } @Override - public String toString() { - StringBuffer sb = new StringBuffer(); + public boolean equals(Object other) { + if (other == null) { + return false; + } + if (this == other) { + return true; + } + try { + CellInfo o = (CellInfo) other; + return mRegistered == o.mRegistered + && mTimeStamp == o.mTimeStamp && mTimeStampType == o.mTimeStampType; + } catch (ClassCastException e) { + return false; + } + } - sb.append("TimeStampType: "); - switch(mTimeStampType) { + private static String timeStampTypeToString(int type) { + switch (type) { case 1: - sb.append("antenna"); - break; + return "antenna"; case 2: - sb.append("modem"); - break; + return "modem"; case 3: - sb.append("oem_ril"); - break; + return "oem_ril"; case 4: - sb.append("java_ril"); - break; + return "java_ril"; default: - sb.append("unknown"); + return "unknown"; } - sb.append(", TimeStamp: ").append(mTimeStamp).append(" ns"); - sb.append(", Registered: ").append(mRegistered ? "YES" : "NO"); - sb.append(", TimingAdvance: ").append(mTimingAdvance); - sb.append(", Strength : " + mStrength); - sb.append(", Cell Iden: " + mCellIdentity); + } + + @Override + public String toString() { + StringBuffer sb = new StringBuffer(); + String timeStampType; + + sb.append(" mRegistered=").append(mRegistered ? "YES" : "NO"); + timeStampType = timeStampTypeToString(mTimeStampType); + sb.append(" mTimeStampType=").append(timeStampType); + sb.append(" mTimeStamp=").append(mTimeStamp).append("ns"); return sb.toString(); } - /** Implement the Parcelable interface {@hide} */ + /** Implement the Parcelable interface */ @Override public int describeContents() { return 0; } - /** Implement the Parcelable interface {@hide} */ + /** Implement the Parcelable interface */ @Override public void writeToParcel(Parcel dest, int flags) { - dest.writeInt(mTimeStampType); dest.writeInt(mRegistered ? 1 : 0); + dest.writeInt(mTimeStampType); dest.writeLong(mTimeStamp); - dest.writeLong(mTimingAdvance); - dest.writeInt(mCellIdentityType); - mStrength.writeToParcel(dest, flags); - mCellIdentity.writeToParcel(dest, flags); } - /** Implement the Parcelable interface {@hide} */ - public static final Creator<CellInfo> CREATOR = - new Creator<CellInfo>() { + protected CellInfo(Parcel in) { + mRegistered = (in.readInt() == 1) ? true : false; + mTimeStampType = in.readInt(); + mTimeStamp = in.readLong(); + } + + /** Implement the Parcelable interface */ + public static final Creator<CellInfo> CREATOR = new Creator<CellInfo>() { @Override public CellInfo createFromParcel(Parcel in) { - return new CellInfo(in); + int type = in.readInt(); + switch (type) { + case TYPE_GSM: return CellInfoGsm.createFromParcelBody(in); + case TYPE_CDMA: return CellInfoCdma.createFromParcelBody(in); + case TYPE_LTE: return CellInfoLte.createFromParcelBody(in); + default: throw new RuntimeException("Bad CellInfo Parcel"); + } } @Override |