1/*
2 * Copyright (C) 2007 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
17package com.android.commands.input;
18
19import android.os.RemoteException;
20import android.os.ServiceManager;
21import android.os.SystemClock;
22import android.util.Log;
23import android.view.IWindowManager;
24import android.view.KeyCharacterMap;
25import android.view.KeyEvent;
26
27/**
28 * Command that sends key events to the device, either by their keycode, or by
29 * desired character output.
30 */
31
32public class Input {
33
34    /**
35     * Command-line entry point.
36     *
37     * @param args The command-line arguments
38     */
39    public static void main(String[] args) {
40        (new Input()).run(args);
41    }
42
43    private void run(String[] args) {
44        if (args.length < 1) {
45            showUsage();
46            return;
47        }
48
49        String command = args[0];
50
51        if (command.equals("text")) {
52            sendText(args[1]);
53        } else if (command.equals("keyevent")) {
54            sendKeyEvent(args[1]);
55        } else if (command.equals("motionevent")) {
56            System.err.println("Error: motionevent not yet supported.");
57            return;
58        }
59        else {
60            System.err.println("Error: Unknown command: " + command);
61            showUsage();
62            return;
63        }
64    }
65
66    /**
67     * Convert the characters of string text into key event's and send to
68     * device.
69     *
70     * @param text is a string of characters you want to input to the device.
71     */
72
73    private void sendText(String text) {
74
75        StringBuffer buff = new StringBuffer(text);
76
77        boolean escapeFlag = false;
78        for (int i=0; i<buff.length(); i++) {
79            if (escapeFlag) {
80                escapeFlag = false;
81                if (buff.charAt(i) == 's') {
82                    buff.setCharAt(i, ' ');
83                    buff.deleteCharAt(--i);
84                }
85            }
86            if (buff.charAt(i) == '%') {
87                escapeFlag = true;
88            }
89        }
90
91        char[] chars = buff.toString().toCharArray();
92
93        KeyCharacterMap mKeyCharacterMap = KeyCharacterMap.
94            load(KeyCharacterMap.BUILT_IN_KEYBOARD);
95
96        KeyEvent[] events = mKeyCharacterMap.getEvents(chars);
97
98        for(int i = 0; i < events.length; i++) {
99            KeyEvent event = events[i];
100            Log.i("SendKeyEvent", Integer.toString(event.getKeyCode()));
101            try {
102                (IWindowManager.Stub
103                    .asInterface(ServiceManager.getService("window")))
104                    .injectKeyEvent(event, true);
105            } catch (RemoteException e) {
106                Log.i("Input", "DeadOjbectException");
107            }
108        }
109    }
110
111    /**
112     * Send a single key event.
113     *
114     * @param event is a string representing the keycode of the key event you
115     * want to execute.
116     */
117    private void sendKeyEvent(String event) {
118        int eventCode = Integer.parseInt(event);
119        long now = SystemClock.uptimeMillis();
120        Log.i("SendKeyEvent", event);
121        try {
122            KeyEvent down = new KeyEvent(now, now, KeyEvent.ACTION_DOWN, eventCode, 0);
123            KeyEvent up = new KeyEvent(now, now, KeyEvent.ACTION_UP, eventCode, 0);
124            (IWindowManager.Stub
125                .asInterface(ServiceManager.getService("window")))
126                .injectKeyEvent(down, true);
127            (IWindowManager.Stub
128                .asInterface(ServiceManager.getService("window")))
129                .injectKeyEvent(up, true);
130        } catch (RemoteException e) {
131            Log.i("Input", "DeadOjbectException");
132        }
133    }
134
135    private void sendMotionEvent(long downTime, int action, float x, float y,
136            float pressure, float size) {
137    }
138
139    private void showUsage() {
140        System.err.println("usage: input [text|keyevent]");
141        System.err.println("       input text <string>");
142        System.err.println("       input keyevent <event_code>");
143    }
144}
145