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LatinKeyboardView.javaAPI DocAndroid 1.5 API6977Wed May 06 22:42:48 BST 2009com.android.inputmethod.latin

LatinKeyboardView

public class LatinKeyboardView extends android.inputmethodservice.KeyboardView

Fields Summary
static final int
KEYCODE_OPTIONS
static final int
KEYCODE_SHIFT_LONGPRESS
private android.inputmethodservice.Keyboard
mPhoneKeyboard
static final boolean
DEBUG_AUTO_PLAY
INSTRUMENTATION
private static final int
MSG_TOUCH_DOWN
private static final int
MSG_TOUCH_UP
android.os.Handler
mHandler2
private String
mStringToPlay
private int
mStringIndex
private boolean
mDownDelivered
private android.inputmethodservice.Keyboard.Key[]
mAsciiKeys
private boolean
mPlaying
Constructors Summary
public LatinKeyboardView(android.content.Context context, android.util.AttributeSet attrs)


         
        super(context, attrs);
    
public LatinKeyboardView(android.content.Context context, android.util.AttributeSet attrs, int defStyle)

        super(context, attrs, defStyle);
    
Methods Summary
public voiddraw(android.graphics.Canvas c)

        super.draw(c);
        if (DEBUG_AUTO_PLAY && mPlaying) {
            mHandler2.removeMessages(MSG_TOUCH_DOWN);
            mHandler2.removeMessages(MSG_TOUCH_UP);
            if (mDownDelivered) {
                mHandler2.sendEmptyMessageDelayed(MSG_TOUCH_UP, 20);
            } else {
                mHandler2.sendEmptyMessageDelayed(MSG_TOUCH_DOWN, 20);
            }
        }
    
private voidfindKeys()

        List<Key> keys = getKeyboard().getKeys();
        // Get the keys on this keyboard
        for (int i = 0; i < keys.size(); i++) {
            int code = keys.get(i).codes[0];
            if (code >= 0 && code <= 255) { 
                mAsciiKeys[code] = keys.get(i);
            }
        }
    
protected booleanonLongPress(android.inputmethodservice.Keyboard.Key key)

        if (key.codes[0] == Keyboard.KEYCODE_MODE_CHANGE) {
            getOnKeyboardActionListener().onKey(KEYCODE_OPTIONS, null);
            return true;
        } else if (key.codes[0] == Keyboard.KEYCODE_SHIFT) {
            getOnKeyboardActionListener().onKey(KEYCODE_SHIFT_LONGPRESS, null);
            invalidate();
            return true;
        } else if (key.codes[0] == '0" && getKeyboard() == mPhoneKeyboard) {
            // Long pressing on 0 in phone number keypad gives you a '+'.
            getOnKeyboardActionListener().onKey('+", null);
            return true;
        } else {
            return super.onLongPress(key);
        }
    
public voidsetKeyboard(android.inputmethodservice.Keyboard k)


    
        
        super.setKeyboard(k);
        if (DEBUG_AUTO_PLAY) {
            findKeys();
            if (mHandler2 == null) {
                mHandler2 = new Handler() {
                    @Override
                    public void handleMessage(Message msg) {
                        removeMessages(MSG_TOUCH_DOWN);
                        removeMessages(MSG_TOUCH_UP);
                        if (mPlaying == false) return;
                        
                        switch (msg.what) {
                            case MSG_TOUCH_DOWN:
                                if (mStringIndex >= mStringToPlay.length()) {
                                    mPlaying = false;
                                    return;
                                }
                                char c = mStringToPlay.charAt(mStringIndex);
                                while (c > 255 || mAsciiKeys[(int) c] == null) {
                                    mStringIndex++;
                                    if (mStringIndex >= mStringToPlay.length()) {
                                        mPlaying = false;
                                        return;
                                    }
                                    c = mStringToPlay.charAt(mStringIndex);
                                }
                                int x = mAsciiKeys[c].x + 10;
                                int y = mAsciiKeys[c].y + 26;
                                MotionEvent me = MotionEvent.obtain(SystemClock.uptimeMillis(), 
                                        SystemClock.uptimeMillis(), 
                                        MotionEvent.ACTION_DOWN, x, y, 0);
                                LatinKeyboardView.this.dispatchTouchEvent(me);
                                me.recycle();
                                sendEmptyMessageDelayed(MSG_TOUCH_UP, 500); // Deliver up in 500ms if nothing else
                                // happens
                                mDownDelivered = true;
                                break;
                            case MSG_TOUCH_UP:
                                char cUp = mStringToPlay.charAt(mStringIndex);
                                int x2 = mAsciiKeys[cUp].x + 10;
                                int y2 = mAsciiKeys[cUp].y + 26;
                                mStringIndex++;
                                
                                MotionEvent me2 = MotionEvent.obtain(SystemClock.uptimeMillis(), 
                                        SystemClock.uptimeMillis(), 
                                        MotionEvent.ACTION_UP, x2, y2, 0);
                                LatinKeyboardView.this.dispatchTouchEvent(me2);
                                me2.recycle();
                                sendEmptyMessageDelayed(MSG_TOUCH_DOWN, 500); // Deliver up in 500ms if nothing else
                                // happens
                                mDownDelivered = false;
                                break;
                        }
                    }
                };

            }
        }
    
public voidsetPhoneKeyboard(android.inputmethodservice.Keyboard phoneKeyboard)

        mPhoneKeyboard = phoneKeyboard;
    
voidstartPlaying(java.lang.String s)

        if (!DEBUG_AUTO_PLAY) return;
        if (s == null) return;
        mStringToPlay = s.toLowerCase();
        mPlaying = true;
        mDownDelivered = false;
        mStringIndex = 0;
        mHandler2.sendEmptyMessageDelayed(MSG_TOUCH_DOWN, 10);