/* * Copyright (C) 2008-2009 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.android.inputmethod.latin; import java.util.List; import android.content.Context; import android.graphics.Canvas; import android.inputmethodservice.Keyboard; import android.inputmethodservice.KeyboardView; import android.inputmethodservice.Keyboard.Key; import android.os.Handler; import android.os.Message; import android.os.SystemClock; import android.util.AttributeSet; import android.view.LayoutInflater; import android.view.MotionEvent; import android.widget.PopupWindow; public class LatinKeyboardView extends KeyboardView { static final int KEYCODE_OPTIONS = -100; static final int KEYCODE_SHIFT_LONGPRESS = -101; static final int KEYCODE_VOICE = -102; static final int KEYCODE_F1 = -103; static final int KEYCODE_NEXT_LANGUAGE = -104; static final int KEYCODE_PREV_LANGUAGE = -105; private Keyboard mPhoneKeyboard; private boolean mExtensionVisible; private LatinKeyboardView mExtension; private PopupWindow mExtensionPopup; private boolean mFirstEvent; public LatinKeyboardView(Context context, AttributeSet attrs) { super(context, attrs); } public LatinKeyboardView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); } public void setPhoneKeyboard(Keyboard phoneKeyboard) { mPhoneKeyboard = phoneKeyboard; } @Override protected boolean onLongPress(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); invalidateAllKeys(); 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); } } @Override public boolean onTouchEvent(MotionEvent me) { LatinKeyboard keyboard = (LatinKeyboard) getKeyboard(); // Reset any bounding box controls in the keyboard if (me.getAction() == MotionEvent.ACTION_DOWN) { keyboard.keyReleased(); } if (me.getAction() == MotionEvent.ACTION_UP) { int languageDirection = keyboard.getLanguageChangeDirection(); if (languageDirection != 0) { getOnKeyboardActionListener().onKey( languageDirection == 1 ? KEYCODE_NEXT_LANGUAGE : KEYCODE_PREV_LANGUAGE, null); me.setAction(MotionEvent.ACTION_CANCEL); keyboard.keyReleased(); return super.onTouchEvent(me); } } // If we don't have an extension keyboard, don't go any further. if (keyboard.getExtension() == 0) { return super.onTouchEvent(me); } if (me.getY() < 0) { if (mExtensionVisible) { int action = me.getAction(); if (mFirstEvent) action = MotionEvent.ACTION_DOWN; mFirstEvent = false; MotionEvent translated = MotionEvent.obtain(me.getEventTime(), me.getEventTime(), action, me.getX(), me.getY() + mExtension.getHeight(), me.getMetaState()); boolean result = mExtension.onTouchEvent(translated); translated.recycle(); if (me.getAction() == MotionEvent.ACTION_UP || me.getAction() == MotionEvent.ACTION_CANCEL) { closeExtension(); } return result; } else { if (openExtension()) { MotionEvent cancel = MotionEvent.obtain(me.getDownTime(), me.getEventTime(), MotionEvent.ACTION_CANCEL, me.getX() - 100, me.getY() - 100, 0); super.onTouchEvent(cancel); cancel.recycle(); if (mExtension.getHeight() > 0) { MotionEvent translated = MotionEvent.obtain(me.getEventTime(), me.getEventTime(), MotionEvent.ACTION_DOWN, me.getX(), me.getY() + mExtension.getHeight(), me.getMetaState()); mExtension.onTouchEvent(translated); translated.recycle(); } else { mFirstEvent = true; } } return true; } } else if (mExtensionVisible) { closeExtension(); // Send a down event into the main keyboard first MotionEvent down = MotionEvent.obtain(me.getEventTime(), me.getEventTime(), MotionEvent.ACTION_DOWN, me.getX(), me.getY(), me.getMetaState()); super.onTouchEvent(down); down.recycle(); // Send the actual event return super.onTouchEvent(me); } else { return super.onTouchEvent(me); } } private boolean openExtension() { if (((LatinKeyboard) getKeyboard()).getExtension() == 0) return false; makePopupWindow(); mExtensionVisible = true; return true; } private void makePopupWindow() { if (mExtensionPopup == null) { int[] windowLocation = new int[2]; mExtensionPopup = new PopupWindow(getContext()); mExtensionPopup.setBackgroundDrawable(null); LayoutInflater li = (LayoutInflater) getContext().getSystemService( Context.LAYOUT_INFLATER_SERVICE); mExtension = (LatinKeyboardView) li.inflate(R.layout.input, null); mExtension.setOnKeyboardActionListener((LatinIME) getContext()); mExtension.setPopupParent(this); mExtension.setPopupOffset(0, -windowLocation[1]); Keyboard keyboard; mExtension.setKeyboard(keyboard = new LatinKeyboard(getContext(), ((LatinKeyboard) getKeyboard()).getExtension())); mExtensionPopup.setContentView(mExtension); mExtensionPopup.setWidth(getWidth()); mExtensionPopup.setHeight(keyboard.getHeight()); getLocationInWindow(windowLocation); // TODO: Fix the "- 30". mExtension.setPopupOffset(0, -windowLocation[1] - 30); mExtensionPopup.showAtLocation(this, 0, 0, -keyboard.getHeight() + windowLocation[1]); } else { mExtension.setVisibility(VISIBLE); } } @Override public void closing() { super.closing(); if (mExtensionPopup != null && mExtensionPopup.isShowing()) { mExtensionPopup.dismiss(); mExtensionPopup = null; } } private void closeExtension() { mExtension.setVisibility(INVISIBLE); mExtension.closing(); mExtensionVisible = false; } /**************************** INSTRUMENTATION *******************************/ static final boolean DEBUG_AUTO_PLAY = false; private static final int MSG_TOUCH_DOWN = 1; private static final int MSG_TOUCH_UP = 2; Handler mHandler2; private String mStringToPlay; private int mStringIndex; private boolean mDownDelivered; private Key[] mAsciiKeys = new Key[256]; private boolean mPlaying; @Override public void setKeyboard(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; } } }; } } } private void findKeys() { List 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); } } } void startPlaying(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); } @Override public void draw(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); } } } }