The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007-2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| 5 | * use this file except in compliance with the License. You may obtain a copy of |
| 6 | * 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, WITHOUT |
| 12 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 13 | * License for the specific language governing permissions and limitations under |
| 14 | * the License. |
| 15 | */ |
| 16 | |
| 17 | package android.view.inputmethod; |
| 18 | |
| 19 | import android.os.IBinder; |
| 20 | import android.os.Parcel; |
| 21 | import android.os.Parcelable; |
| 22 | import android.text.TextUtils; |
| 23 | |
| 24 | /** |
| 25 | * Information given to an {@link InputMethod} about a client connecting |
| 26 | * to it. |
| 27 | */ |
| 28 | public final class InputBinding implements Parcelable { |
| 29 | static final String TAG = "InputBinding"; |
| 30 | |
| 31 | /** |
| 32 | * The connection back to the client. |
| 33 | */ |
| 34 | final InputConnection mConnection; |
| 35 | |
| 36 | /** |
| 37 | * A remotable token for the connection back to the client. |
| 38 | */ |
| 39 | final IBinder mConnectionToken; |
| 40 | |
| 41 | /** |
| 42 | * The UID where this binding came from. |
| 43 | */ |
| 44 | final int mUid; |
| 45 | |
| 46 | /** |
| 47 | * The PID where this binding came from. |
| 48 | */ |
| 49 | final int mPid; |
| 50 | |
| 51 | /** |
| 52 | * Constructor. |
| 53 | * |
| 54 | * @param conn The interface for communicating back with the application. |
| 55 | * @param connToken A remoteable token for communicating across processes. |
| 56 | * @param uid The user id of the client of this binding. |
| 57 | * @param pid The process id of where the binding came from. |
| 58 | */ |
| 59 | public InputBinding(InputConnection conn, IBinder connToken, |
| 60 | int uid, int pid) { |
| 61 | mConnection = conn; |
| 62 | mConnectionToken = connToken; |
| 63 | mUid = uid; |
| 64 | mPid = pid; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Constructor from an existing InputBinding taking a new local input |
| 69 | * connection interface. |
| 70 | * |
| 71 | * @param conn The new connection interface. |
| 72 | * @param binding Existing binding to copy. |
| 73 | */ |
| 74 | public InputBinding(InputConnection conn, InputBinding binding) { |
| 75 | mConnection = conn; |
| 76 | mConnectionToken = binding.getConnectionToken(); |
| 77 | mUid = binding.getUid(); |
| 78 | mPid = binding.getPid(); |
| 79 | } |
| 80 | |
| 81 | InputBinding(Parcel source) { |
| 82 | mConnection = null; |
| 83 | mConnectionToken = source.readStrongBinder(); |
| 84 | mUid = source.readInt(); |
| 85 | mPid = source.readInt(); |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * Return the connection for interacting back with the application. |
| 90 | */ |
| 91 | public InputConnection getConnection() { |
| 92 | return mConnection; |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Return the token for the connection back to the application. You can |
| 97 | * not use this directly, it must be converted to a {@link InputConnection} |
| 98 | * for you. |
| 99 | */ |
| 100 | public IBinder getConnectionToken() { |
| 101 | return mConnectionToken; |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Return the user id of the client associated with this binding. |
| 106 | */ |
| 107 | public int getUid() { |
| 108 | return mUid; |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * Return the process id where this binding came from. |
| 113 | */ |
| 114 | public int getPid() { |
| 115 | return mPid; |
| 116 | } |
| 117 | |
| 118 | @Override |
| 119 | public String toString() { |
| 120 | return "InputBinding{" + mConnectionToken |
| 121 | + " / uid " + mUid + " / pid " + mPid + "}"; |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Used to package this object into a {@link Parcel}. |
| 126 | * |
| 127 | * @param dest The {@link Parcel} to be written. |
| 128 | * @param flags The flags used for parceling. |
| 129 | */ |
| 130 | public void writeToParcel(Parcel dest, int flags) { |
| 131 | dest.writeStrongBinder(mConnectionToken); |
| 132 | dest.writeInt(mUid); |
| 133 | dest.writeInt(mPid); |
| 134 | } |
| 135 | |
| 136 | /** |
| 137 | * Used to make this class parcelable. |
| 138 | */ |
| 139 | public static final Parcelable.Creator<InputBinding> CREATOR = new Parcelable.Creator<InputBinding>() { |
| 140 | public InputBinding createFromParcel(Parcel source) { |
| 141 | return new InputBinding(source); |
| 142 | } |
| 143 | |
| 144 | public InputBinding[] newArray(int size) { |
| 145 | return new InputBinding[size]; |
| 146 | } |
| 147 | }; |
| 148 | |
| 149 | public int describeContents() { |
| 150 | return 0; |
| 151 | } |
| 152 | } |