2010-08-20 05:35:02 +00:00
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/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.latin;
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import android.content.Context;
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2010-08-27 12:23:51 +00:00
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import android.content.res.Resources;
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2010-08-20 05:35:02 +00:00
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import android.content.res.TypedArray;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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2010-08-24 13:46:36 +00:00
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import android.graphics.Paint.Align;
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2010-08-20 05:35:02 +00:00
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import android.graphics.PorterDuff;
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import android.graphics.Rect;
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import android.graphics.Region.Op;
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2010-08-24 13:46:36 +00:00
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import android.graphics.Typeface;
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2010-08-20 05:35:02 +00:00
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import android.graphics.drawable.Drawable;
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import android.inputmethodservice.Keyboard;
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import android.inputmethodservice.Keyboard.Key;
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import android.os.Handler;
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import android.os.Message;
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import android.util.AttributeSet;
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import android.util.TypedValue;
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import android.view.GestureDetector;
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import android.view.Gravity;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewConfiguration;
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import android.view.ViewGroup.LayoutParams;
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import android.widget.PopupWindow;
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import android.widget.TextView;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* A view that renders a virtual {@link LatinKeyboard}. It handles rendering of keys and
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* detecting key presses and touch movements.
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*
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* @attr ref R.styleable#LatinKeyboardBaseView_keyBackground
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* @attr ref R.styleable#LatinKeyboardBaseView_keyPreviewLayout
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* @attr ref R.styleable#LatinKeyboardBaseView_keyPreviewOffset
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* @attr ref R.styleable#LatinKeyboardBaseView_labelTextSize
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* @attr ref R.styleable#LatinKeyboardBaseView_keyTextSize
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* @attr ref R.styleable#LatinKeyboardBaseView_keyTextColor
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* @attr ref R.styleable#LatinKeyboardBaseView_verticalCorrection
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* @attr ref R.styleable#LatinKeyboardBaseView_popupLayout
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*/
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public class LatinKeyboardBaseView extends View implements View.OnClickListener {
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2010-08-27 12:23:51 +00:00
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private static final boolean DEBUG = false;
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public static final int NOT_A_TOUCH_COORDINATE = -1;
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2010-08-20 05:35:02 +00:00
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public interface OnKeyboardActionListener {
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/**
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* Called when the user presses a key. This is sent before the
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* {@link #onKey} is called. For keys that repeat, this is only
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* called once.
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*
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* @param primaryCode
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* the unicode of the key being pressed. If the touch is
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* not on a valid key, the value will be zero.
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*/
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void onPress(int primaryCode);
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/**
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* Called when the user releases a key. This is sent after the
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* {@link #onKey} is called. For keys that repeat, this is only
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* called once.
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*
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* @param primaryCode
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* the code of the key that was released
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*/
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void onRelease(int primaryCode);
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/**
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* Send a key press to the listener.
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*
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* @param primaryCode
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* this is the key that was pressed
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* @param keyCodes
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* the codes for all the possible alternative keys with
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* the primary code being the first. If the primary key
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* code is a single character such as an alphabet or
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* number or symbol, the alternatives will include other
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* characters that may be on the same key or adjacent
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* keys. These codes are useful to correct for
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* accidental presses of a key adjacent to the intended
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* key.
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2010-08-25 12:27:13 +00:00
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* @param x
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* x-coordinate pixel of touched event. If onKey is not called by onTouchEvent,
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* the value should be NOT_A_TOUCH_COORDINATE.
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* @param y
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* y-coordinate pixel of touched event. If onKey is not called by onTouchEvent,
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* the value should be NOT_A_TOUCH_COORDINATE.
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2010-08-20 05:35:02 +00:00
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*/
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2010-08-25 12:27:13 +00:00
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void onKey(int primaryCode, int[] keyCodes, int x, int y);
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2010-08-20 05:35:02 +00:00
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/**
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* Sends a sequence of characters to the listener.
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*
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* @param text
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* the sequence of characters to be displayed.
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*/
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void onText(CharSequence text);
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/**
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* Called when the user quickly moves the finger from right to
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* left.
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*/
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void swipeLeft();
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/**
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* Called when the user quickly moves the finger from left to
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* right.
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*/
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void swipeRight();
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/**
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* Called when the user quickly moves the finger from up to down.
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*/
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void swipeDown();
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/**
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* Called when the user quickly moves the finger from down to up.
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*/
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void swipeUp();
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}
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2010-08-27 12:23:51 +00:00
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// Timing constants
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private static final int DELAY_BEFORE_PREVIEW = 0;
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private static final int DELAY_AFTER_PREVIEW = 70;
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private static final int REPEAT_INTERVAL = 50; // ~20 keys per second
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private static final int REPEAT_START_DELAY = 400;
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private static final int LONGPRESS_TIMEOUT = ViewConfiguration.getLongPressTimeout();
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private static final int MULTITAP_INTERVAL = 800; // milliseconds
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private static final int KEY_DEBOUNCE_TIME = 70;
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2010-08-25 12:27:13 +00:00
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2010-08-27 12:23:51 +00:00
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// Miscellaneous constants
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2010-08-26 08:49:26 +00:00
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static final int NOT_A_KEY = -1;
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2010-08-20 05:35:02 +00:00
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private static final int[] KEY_DELETE = { Keyboard.KEYCODE_DELETE };
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private static final int[] LONG_PRESSABLE_STATE_SET = { android.R.attr.state_long_pressable };
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2010-08-27 12:23:51 +00:00
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// XML attribute
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2010-08-20 05:35:02 +00:00
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private int mKeyTextSize;
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private int mKeyTextColor;
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2010-08-27 12:23:51 +00:00
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private Typeface mKeyTextStyle = Typeface.DEFAULT;
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private int mLabelTextSize;
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private int mSymbolColorScheme = 0;
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2010-08-20 05:35:02 +00:00
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private int mShadowColor;
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2010-08-27 12:23:51 +00:00
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private float mShadowRadius;
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private Drawable mKeyBackground;
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2010-08-20 05:35:02 +00:00
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private float mBackgroundDimAmount;
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2010-08-27 12:23:51 +00:00
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private int mVerticalCorrection;
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private int mPreviewOffset;
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private int mPreviewHeight;
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private int mPopupLayout;
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// Main keyboard
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private Keyboard mKeyboard;
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private Key[] mKeys;
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2010-08-20 05:35:02 +00:00
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2010-08-27 12:23:51 +00:00
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// Key preview popup
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private final static boolean PREVIEW_CENTERED = false;
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2010-08-20 05:35:02 +00:00
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private TextView mPreviewText;
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private PopupWindow mPreviewPopup;
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private int mPreviewTextSizeLarge;
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private int[] mOffsetInWindow;
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2010-08-27 12:23:51 +00:00
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private int mOldPreviewKeyIndex = NOT_A_KEY;
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private boolean mShowPreview = true;
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private boolean mShowTouchPoints = true;
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private int mPopupPreviewX;
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private int mPopupPreviewY;
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private int mWindowY;
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private final StringBuilder mPreviewLabel = new StringBuilder(1);
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2010-08-20 05:35:02 +00:00
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2010-08-27 12:23:51 +00:00
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// Popup mini keyboard
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2010-08-20 05:35:02 +00:00
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private PopupWindow mPopupKeyboard;
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private View mMiniKeyboardContainer;
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private LatinKeyboardBaseView mMiniKeyboard;
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private boolean mMiniKeyboardOnScreen;
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private View mPopupParent;
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private int mMiniKeyboardOffsetX;
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private int mMiniKeyboardOffsetY;
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private Map<Key,View> mMiniKeyboardCache;
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private int[] mWindowOffset;
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/** Listener for {@link OnKeyboardActionListener}. */
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private OnKeyboardActionListener mKeyboardActionListener;
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2010-08-27 12:23:51 +00:00
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private final KeyDebouncer mDebouncer = new KeyDebouncer();
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private final float mDebounceHysteresis;
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2010-08-20 05:35:02 +00:00
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private int mCurrentKey = NOT_A_KEY;
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private int mStartX;
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private int mStartY;
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2010-08-27 12:23:51 +00:00
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private final ProximityKeyDetector mProximityKeyDetector = new ProximityKeyDetector();
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2010-08-20 05:35:02 +00:00
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private boolean mAbortKey;
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// For multi-tap
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private int mLastSentIndex;
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private int mTapCount;
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private long mLastTapTime;
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private boolean mInMultiTap;
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2010-08-27 12:23:51 +00:00
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// Variables for dealing with multiple pointers
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private int mOldPointerCount = 1;
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private int mOldPointerX;
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private int mOldPointerY;
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// Swipe gesture detector
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private final GestureDetector mGestureDetector;
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private final SwipeTracker mSwipeTracker = new SwipeTracker();
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private final int mSwipeThreshold;
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private final boolean mDisambiguateSwipe;
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// Drawing
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2010-08-20 05:35:02 +00:00
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/** Whether the keyboard bitmap needs to be redrawn before it's blitted. **/
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private boolean mDrawPending;
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/** The dirty region in the keyboard bitmap */
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2010-08-27 12:23:51 +00:00
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private final Rect mDirtyRect = new Rect();
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2010-08-20 05:35:02 +00:00
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/** The keyboard bitmap for faster updates */
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private Bitmap mBuffer;
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/** Notes if the keyboard just changed, so that we could possibly reallocate the mBuffer. */
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private boolean mKeyboardChanged;
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2010-08-27 12:23:51 +00:00
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private Key mInvalidatedKey;
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2010-08-20 05:35:02 +00:00
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/** The canvas for the above mutable keyboard bitmap */
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private Canvas mCanvas;
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2010-08-27 12:23:51 +00:00
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private final Paint mPaint;
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private final Rect mPadding;
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private final Rect mClipRegion = new Rect(0, 0, 0, 0);
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2010-08-20 05:35:02 +00:00
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2010-08-27 12:23:51 +00:00
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private final UIHandler mHandler = new UIHandler();
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2010-08-20 05:35:02 +00:00
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class UIHandler extends Handler {
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2010-08-27 12:04:11 +00:00
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private static final int MSG_POPUP_PREVIEW = 1;
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private static final int MSG_DISMISS_PREVIEW = 2;
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private static final int MSG_REPEAT_KEY = 3;
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private static final int MSG_LOGPRESS_KEY = 4;
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2010-08-20 05:35:02 +00:00
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2010-08-24 13:46:36 +00:00
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private boolean mInKeyRepeat;
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2010-08-20 05:35:02 +00:00
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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2010-08-27 12:04:11 +00:00
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case MSG_POPUP_PREVIEW:
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showKey(msg.arg1);
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break;
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2010-08-20 05:35:02 +00:00
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case MSG_DISMISS_PREVIEW:
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mPreviewText.setVisibility(INVISIBLE);
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break;
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case MSG_REPEAT_KEY:
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2010-08-24 13:46:36 +00:00
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repeatKey(msg.arg1);
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startKeyRepeatTimer(REPEAT_INTERVAL, msg.arg1);
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2010-08-20 05:35:02 +00:00
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break;
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case MSG_LOGPRESS_KEY:
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2010-08-25 03:08:20 +00:00
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openPopupIfRequired(msg.arg1);
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2010-08-20 05:35:02 +00:00
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break;
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}
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}
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2010-08-27 12:04:11 +00:00
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public void popupPreview(int keyIndex, long delay) {
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removeMessages(MSG_POPUP_PREVIEW);
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sendMessageDelayed(obtainMessage(MSG_POPUP_PREVIEW, keyIndex, 0), delay);
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}
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public void cancelPopupPreview() {
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removeMessages(MSG_POPUP_PREVIEW);
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}
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2010-08-20 05:35:02 +00:00
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public void dismissPreview(long delay) {
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sendMessageDelayed(obtainMessage(MSG_DISMISS_PREVIEW), delay);
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}
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public void cancelDismissPreview() {
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removeMessages(MSG_DISMISS_PREVIEW);
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}
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2010-08-24 13:46:36 +00:00
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public void startKeyRepeatTimer(long delay, int keyIndex) {
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mInKeyRepeat = true;
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sendMessageDelayed(obtainMessage(MSG_REPEAT_KEY, keyIndex, 0), delay);
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}
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public void cancelKeyRepeatTimer() {
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mInKeyRepeat = false;
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removeMessages(MSG_REPEAT_KEY);
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}
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public boolean isInKeyRepeat() {
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return mInKeyRepeat;
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2010-08-20 05:35:02 +00:00
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}
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2010-08-25 03:08:20 +00:00
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public void startLongPressTimer(int keyIndex, long delay) {
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removeMessages(MSG_LOGPRESS_KEY);
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sendMessageDelayed(obtainMessage(MSG_LOGPRESS_KEY, keyIndex, 0), delay);
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2010-08-20 05:35:02 +00:00
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}
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public void cancelLongPressTimer() {
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removeMessages(MSG_LOGPRESS_KEY);
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}
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public void cancelKeyTimers() {
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2010-08-24 13:46:36 +00:00
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cancelKeyRepeatTimer();
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cancelLongPressTimer();
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2010-08-20 05:35:02 +00:00
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}
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public void cancelAllMessages() {
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2010-08-24 13:46:36 +00:00
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cancelKeyTimers();
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2010-08-27 12:04:11 +00:00
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cancelPopupPreview();
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2010-08-24 13:46:36 +00:00
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cancelDismissPreview();
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2010-08-20 05:35:02 +00:00
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}
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};
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static class KeyDebouncer {
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2010-08-27 12:23:51 +00:00
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private Key[] mKeys;
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private int mKeyDebounceThresholdSquared = -1;
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2010-08-20 05:35:02 +00:00
|
|
|
|
|
|
|
// for move de-bouncing
|
|
|
|
private int mLastCodeX;
|
|
|
|
private int mLastCodeY;
|
|
|
|
private int mLastX;
|
|
|
|
private int mLastY;
|
|
|
|
|
|
|
|
// for time de-bouncing
|
|
|
|
private int mLastKey;
|
|
|
|
private long mLastKeyTime;
|
|
|
|
private long mLastMoveTime;
|
|
|
|
private long mCurrentKeyTime;
|
|
|
|
|
2010-08-27 12:23:51 +00:00
|
|
|
public void setKeyboard(Key[] keys, float hysteresisPixel) {
|
2010-08-20 05:35:02 +00:00
|
|
|
if (keys == null || hysteresisPixel < 1.0f)
|
|
|
|
throw new IllegalArgumentException();
|
|
|
|
mKeys = keys;
|
|
|
|
mKeyDebounceThresholdSquared = (int)(hysteresisPixel * hysteresisPixel);
|
|
|
|
}
|
|
|
|
|
|
|
|
public int getLastCodeX() {
|
|
|
|
return mLastCodeX;
|
|
|
|
}
|
|
|
|
|
|
|
|
public int getLastCodeY() {
|
|
|
|
return mLastCodeY;
|
|
|
|
}
|
|
|
|
|
|
|
|
public int getLastX() {
|
|
|
|
return mLastX;
|
|
|
|
}
|
|
|
|
|
|
|
|
public int getLastY() {
|
|
|
|
return mLastY;
|
|
|
|
}
|
|
|
|
|
|
|
|
public int getLastKey() {
|
|
|
|
return mLastKey;
|
|
|
|
}
|
|
|
|
|
|
|
|
public void startMoveDebouncing(int x, int y) {
|
|
|
|
mLastCodeX = x;
|
|
|
|
mLastCodeY = y;
|
|
|
|
}
|
|
|
|
|
|
|
|
public void updateMoveDebouncing(int x, int y) {
|
|
|
|
mLastX = x;
|
|
|
|
mLastY = y;
|
|
|
|
}
|
|
|
|
|
|
|
|
public void resetMoveDebouncing() {
|
|
|
|
mLastCodeX = mLastX;
|
|
|
|
mLastCodeY = mLastY;
|
|
|
|
}
|
|
|
|
|
|
|
|
public boolean isMinorMoveBounce(int x, int y, int newKey, int curKey) {
|
2010-08-27 12:23:51 +00:00
|
|
|
if (mKeys == null || mKeyDebounceThresholdSquared < 0)
|
|
|
|
throw new IllegalStateException("keyboard and/or hysteresis not set");
|
2010-08-20 05:35:02 +00:00
|
|
|
if (newKey == curKey) {
|
|
|
|
return true;
|
|
|
|
} else if (curKey >= 0 && curKey < mKeys.length) {
|
|
|
|
return getSquareDistanceToKeyEdge(x, y, mKeys[curKey])
|
|
|
|
< mKeyDebounceThresholdSquared;
|
|
|
|
} else {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
private static int getSquareDistanceToKeyEdge(int x, int y, Key key) {
|
|
|
|
final int left = key.x;
|
|
|
|
final int right = key.x + key.width;
|
|
|
|
final int top = key.y;
|
|
|
|
final int bottom = key.y + key.height;
|
|
|
|
final int edgeX = x < left ? left : (x > right ? right : x);
|
|
|
|
final int edgeY = y < top ? top : (y > bottom ? bottom : y);
|
|
|
|
final int dx = x - edgeX;
|
|
|
|
final int dy = y - edgeY;
|
|
|
|
return dx * dx + dy * dy;
|
|
|
|
}
|
|
|
|
|
|
|
|
public void startTimeDebouncing(long eventTime) {
|
|
|
|
mLastKey = NOT_A_KEY;
|
|
|
|
mLastKeyTime = 0;
|
|
|
|
mCurrentKeyTime = 0;
|
|
|
|
mLastMoveTime = eventTime;
|
|
|
|
}
|
|
|
|
|
|
|
|
public void updateTimeDebouncing(long eventTime) {
|
|
|
|
mCurrentKeyTime += eventTime - mLastMoveTime;
|
|
|
|
mLastMoveTime = eventTime;
|
|
|
|
}
|
|
|
|
|
|
|
|
public void resetTimeDebouncing(long eventTime, int currentKey) {
|
|
|
|
mLastKey = currentKey;
|
|
|
|
mLastKeyTime = mCurrentKeyTime + eventTime - mLastMoveTime;
|
|
|
|
mCurrentKeyTime = 0;
|
|
|
|
mLastMoveTime = eventTime;
|
|
|
|
}
|
|
|
|
|
|
|
|
public boolean isMinorTimeBounce() {
|
2010-08-27 12:23:51 +00:00
|
|
|
return mCurrentKeyTime < mLastKeyTime && mCurrentKeyTime < KEY_DEBOUNCE_TIME
|
2010-08-20 05:35:02 +00:00
|
|
|
&& mLastKey != NOT_A_KEY;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public LatinKeyboardBaseView(Context context, AttributeSet attrs) {
|
|
|
|
this(context, attrs, R.attr.keyboardViewStyle);
|
|
|
|
}
|
|
|
|
|
|
|
|
public LatinKeyboardBaseView(Context context, AttributeSet attrs, int defStyle) {
|
|
|
|
super(context, attrs, defStyle);
|
|
|
|
|
|
|
|
TypedArray a = context.obtainStyledAttributes(
|
|
|
|
attrs, R.styleable.LatinKeyboardBaseView, defStyle, R.style.LatinKeyboardBaseView);
|
|
|
|
LayoutInflater inflate =
|
|
|
|
(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
|
|
|
|
int previewLayout = 0;
|
|
|
|
int keyTextSize = 0;
|
|
|
|
|
|
|
|
int n = a.getIndexCount();
|
|
|
|
|
|
|
|
for (int i = 0; i < n; i++) {
|
|
|
|
int attr = a.getIndex(i);
|
|
|
|
|
|
|
|
switch (attr) {
|
|
|
|
case R.styleable.LatinKeyboardBaseView_keyBackground:
|
|
|
|
mKeyBackground = a.getDrawable(attr);
|
|
|
|
break;
|
|
|
|
case R.styleable.LatinKeyboardBaseView_verticalCorrection:
|
|
|
|
mVerticalCorrection = a.getDimensionPixelOffset(attr, 0);
|
|
|
|
break;
|
|
|
|
case R.styleable.LatinKeyboardBaseView_keyPreviewLayout:
|
|
|
|
previewLayout = a.getResourceId(attr, 0);
|
|
|
|
break;
|
|
|
|
case R.styleable.LatinKeyboardBaseView_keyPreviewOffset:
|
|
|
|
mPreviewOffset = a.getDimensionPixelOffset(attr, 0);
|
|
|
|
break;
|
|
|
|
case R.styleable.LatinKeyboardBaseView_keyPreviewHeight:
|
|
|
|
mPreviewHeight = a.getDimensionPixelSize(attr, 80);
|
|
|
|
break;
|
|
|
|
case R.styleable.LatinKeyboardBaseView_keyTextSize:
|
|
|
|
mKeyTextSize = a.getDimensionPixelSize(attr, 18);
|
|
|
|
break;
|
|
|
|
case R.styleable.LatinKeyboardBaseView_keyTextColor:
|
|
|
|
mKeyTextColor = a.getColor(attr, 0xFF000000);
|
|
|
|
break;
|
|
|
|
case R.styleable.LatinKeyboardBaseView_labelTextSize:
|
|
|
|
mLabelTextSize = a.getDimensionPixelSize(attr, 14);
|
|
|
|
break;
|
|
|
|
case R.styleable.LatinKeyboardBaseView_popupLayout:
|
|
|
|
mPopupLayout = a.getResourceId(attr, 0);
|
|
|
|
break;
|
|
|
|
case R.styleable.LatinKeyboardBaseView_shadowColor:
|
|
|
|
mShadowColor = a.getColor(attr, 0);
|
|
|
|
break;
|
|
|
|
case R.styleable.LatinKeyboardBaseView_shadowRadius:
|
|
|
|
mShadowRadius = a.getFloat(attr, 0f);
|
|
|
|
break;
|
|
|
|
// TODO: Use Theme (android.R.styleable.Theme_backgroundDimAmount)
|
|
|
|
case R.styleable.LatinKeyboardBaseView_backgroundDimAmount:
|
|
|
|
mBackgroundDimAmount = a.getFloat(attr, 0.5f);
|
|
|
|
break;
|
|
|
|
//case android.R.styleable.
|
|
|
|
case R.styleable.LatinKeyboardBaseView_keyTextStyle:
|
|
|
|
int textStyle = a.getInt(attr, 0);
|
|
|
|
switch (textStyle) {
|
|
|
|
case 0:
|
|
|
|
mKeyTextStyle = Typeface.DEFAULT;
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
mKeyTextStyle = Typeface.DEFAULT_BOLD;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
mKeyTextStyle = Typeface.defaultFromStyle(textStyle);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case R.styleable.LatinKeyboardBaseView_symbolColorScheme:
|
|
|
|
mSymbolColorScheme = a.getInt(attr, 0);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
mPreviewPopup = new PopupWindow(context);
|
|
|
|
if (previewLayout != 0) {
|
|
|
|
mPreviewText = (TextView) inflate.inflate(previewLayout, null);
|
|
|
|
mPreviewTextSizeLarge = (int) mPreviewText.getTextSize();
|
|
|
|
mPreviewPopup.setContentView(mPreviewText);
|
|
|
|
mPreviewPopup.setBackgroundDrawable(null);
|
|
|
|
} else {
|
|
|
|
mShowPreview = false;
|
|
|
|
}
|
|
|
|
mPreviewPopup.setTouchable(false);
|
2010-08-27 12:23:51 +00:00
|
|
|
mPopupParent = this;
|
2010-08-20 05:35:02 +00:00
|
|
|
|
|
|
|
mPopupKeyboard = new PopupWindow(context);
|
|
|
|
mPopupKeyboard.setBackgroundDrawable(null);
|
|
|
|
|
|
|
|
mPaint = new Paint();
|
|
|
|
mPaint.setAntiAlias(true);
|
|
|
|
mPaint.setTextSize(keyTextSize);
|
|
|
|
mPaint.setTextAlign(Align.CENTER);
|
|
|
|
mPaint.setAlpha(255);
|
|
|
|
|
|
|
|
mPadding = new Rect(0, 0, 0, 0);
|
|
|
|
mMiniKeyboardCache = new HashMap<Key,View>();
|
|
|
|
mKeyBackground.getPadding(mPadding);
|
|
|
|
|
2010-08-27 12:23:51 +00:00
|
|
|
final Resources res = getResources();
|
|
|
|
mSwipeThreshold = (int) (500 * res.getDisplayMetrics().density);
|
2010-08-20 05:35:02 +00:00
|
|
|
// TODO: Refer frameworks/base/core/res/res/values/config.xml
|
2010-08-27 12:23:51 +00:00
|
|
|
mDisambiguateSwipe = res.getBoolean(R.bool.config_swipeDisambiguation);
|
|
|
|
mDebounceHysteresis = res.getDimension(R.dimen.key_debounce_hysteresis_distance);
|
2010-08-20 05:35:02 +00:00
|
|
|
resetMultiTap();
|
|
|
|
|
2010-08-26 06:22:18 +00:00
|
|
|
GestureDetector.SimpleOnGestureListener listener =
|
|
|
|
new GestureDetector.SimpleOnGestureListener() {
|
2010-08-20 05:35:02 +00:00
|
|
|
@Override
|
2010-08-27 12:23:51 +00:00
|
|
|
public boolean onFling(MotionEvent me1, MotionEvent me2, float velocityX,
|
|
|
|
float velocityY) {
|
2010-08-20 05:35:02 +00:00
|
|
|
final float absX = Math.abs(velocityX);
|
|
|
|
final float absY = Math.abs(velocityY);
|
|
|
|
float deltaX = me2.getX() - me1.getX();
|
|
|
|
float deltaY = me2.getY() - me1.getY();
|
|
|
|
int travelX = getWidth() / 2; // Half the keyboard width
|
|
|
|
int travelY = getHeight() / 2; // Half the keyboard height
|
|
|
|
mSwipeTracker.computeCurrentVelocity(1000);
|
|
|
|
final float endingVelocityX = mSwipeTracker.getXVelocity();
|
|
|
|
final float endingVelocityY = mSwipeTracker.getYVelocity();
|
|
|
|
if (velocityX > mSwipeThreshold && absY < absX && deltaX > travelX) {
|
2010-08-26 06:22:18 +00:00
|
|
|
if (mDisambiguateSwipe && endingVelocityX >= velocityX / 4) {
|
2010-08-20 05:35:02 +00:00
|
|
|
swipeRight();
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
} else if (velocityX < -mSwipeThreshold && absY < absX && deltaX < -travelX) {
|
2010-08-26 06:22:18 +00:00
|
|
|
if (mDisambiguateSwipe && endingVelocityX <= velocityX / 4) {
|
2010-08-20 05:35:02 +00:00
|
|
|
swipeLeft();
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
} else if (velocityY < -mSwipeThreshold && absX < absY && deltaY < -travelY) {
|
2010-08-26 06:22:18 +00:00
|
|
|
if (mDisambiguateSwipe && endingVelocityY <= velocityY / 4) {
|
2010-08-20 05:35:02 +00:00
|
|
|
swipeUp();
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
} else if (velocityY > mSwipeThreshold && absX < absY / 2 && deltaY > travelY) {
|
2010-08-26 06:22:18 +00:00
|
|
|
if (mDisambiguateSwipe && endingVelocityY >= velocityY / 4) {
|
2010-08-20 05:35:02 +00:00
|
|
|
swipeDown();
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
2010-08-26 06:22:18 +00:00
|
|
|
};
|
2010-08-20 05:35:02 +00:00
|
|
|
|
2010-08-26 06:22:18 +00:00
|
|
|
final boolean ignoreMultitouch = true;
|
|
|
|
mGestureDetector = new GestureDetector(getContext(), listener, null, ignoreMultitouch);
|
2010-08-20 05:35:02 +00:00
|
|
|
mGestureDetector.setIsLongpressEnabled(false);
|
|
|
|
}
|
|
|
|
|
|
|
|
public void setOnKeyboardActionListener(OnKeyboardActionListener listener) {
|
|
|
|
mKeyboardActionListener = listener;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns the {@link OnKeyboardActionListener} object.
|
|
|
|
* @return the listener attached to this keyboard
|
|
|
|
*/
|
|
|
|
protected OnKeyboardActionListener getOnKeyboardActionListener() {
|
|
|
|
return mKeyboardActionListener;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Attaches a keyboard to this view. The keyboard can be switched at any time and the
|
|
|
|
* view will re-layout itself to accommodate the keyboard.
|
|
|
|
* @see Keyboard
|
|
|
|
* @see #getKeyboard()
|
|
|
|
* @param keyboard the keyboard to display in this view
|
|
|
|
*/
|
|
|
|
public void setKeyboard(Keyboard keyboard) {
|
|
|
|
if (mKeyboard != null) {
|
|
|
|
showPreview(NOT_A_KEY);
|
|
|
|
}
|
|
|
|
// Remove any pending messages, except dismissing preview
|
2010-08-24 13:46:36 +00:00
|
|
|
mHandler.cancelKeyTimers();
|
2010-08-27 12:04:11 +00:00
|
|
|
mHandler.cancelPopupPreview();
|
2010-08-20 05:35:02 +00:00
|
|
|
mKeyboard = keyboard;
|
2010-08-25 12:27:13 +00:00
|
|
|
LatinImeLogger.onSetKeyboard(mKeyboard);
|
2010-08-20 05:35:02 +00:00
|
|
|
List<Key> keys = mKeyboard.getKeys();
|
|
|
|
mKeys = keys.toArray(new Key[keys.size()]);
|
2010-08-26 08:49:26 +00:00
|
|
|
mProximityKeyDetector.setKeyboard(keyboard, mKeys);
|
2010-08-27 12:23:51 +00:00
|
|
|
mDebouncer.setKeyboard(mKeys, mDebounceHysteresis);
|
2010-08-20 05:35:02 +00:00
|
|
|
requestLayout();
|
|
|
|
// Hint to reallocate the buffer if the size changed
|
|
|
|
mKeyboardChanged = true;
|
|
|
|
invalidateAllKeys();
|
|
|
|
computeProximityThreshold(keyboard);
|
|
|
|
mMiniKeyboardCache.clear();
|
|
|
|
// Not really necessary to do every time, but will free up views
|
|
|
|
// Switching to a different keyboard should abort any pending keys so that the key up
|
|
|
|
// doesn't get delivered to the old or new keyboard
|
|
|
|
mAbortKey = true; // Until the next ACTION_DOWN
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns the current keyboard being displayed by this view.
|
|
|
|
* @return the currently attached keyboard
|
|
|
|
* @see #setKeyboard(Keyboard)
|
|
|
|
*/
|
|
|
|
public Keyboard getKeyboard() {
|
|
|
|
return mKeyboard;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Sets the state of the shift key of the keyboard, if any.
|
|
|
|
* @param shifted whether or not to enable the state of the shift key
|
|
|
|
* @return true if the shift key state changed, false if there was no change
|
|
|
|
*/
|
|
|
|
public boolean setShifted(boolean shifted) {
|
|
|
|
if (mKeyboard != null) {
|
|
|
|
if (mKeyboard.setShifted(shifted)) {
|
|
|
|
// The whole keyboard probably needs to be redrawn
|
|
|
|
invalidateAllKeys();
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns the state of the shift key of the keyboard, if any.
|
|
|
|
* @return true if the shift is in a pressed state, false otherwise. If there is
|
|
|
|
* no shift key on the keyboard or there is no keyboard attached, it returns false.
|
|
|
|
*/
|
|
|
|
public boolean isShifted() {
|
|
|
|
if (mKeyboard != null) {
|
|
|
|
return mKeyboard.isShifted();
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Enables or disables the key feedback popup. This is a popup that shows a magnified
|
|
|
|
* version of the depressed key. By default the preview is enabled.
|
|
|
|
* @param previewEnabled whether or not to enable the key feedback popup
|
|
|
|
* @see #isPreviewEnabled()
|
|
|
|
*/
|
|
|
|
public void setPreviewEnabled(boolean previewEnabled) {
|
|
|
|
mShowPreview = previewEnabled;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns the enabled state of the key feedback popup.
|
|
|
|
* @return whether or not the key feedback popup is enabled
|
|
|
|
* @see #setPreviewEnabled(boolean)
|
|
|
|
*/
|
|
|
|
public boolean isPreviewEnabled() {
|
|
|
|
return mShowPreview;
|
|
|
|
}
|
|
|
|
|
|
|
|
public int getSymbolColorSheme() {
|
|
|
|
return mSymbolColorScheme;
|
|
|
|
}
|
|
|
|
|
|
|
|
public void setVerticalCorrection(int verticalOffset) {
|
|
|
|
}
|
|
|
|
|
|
|
|
public void setPopupParent(View v) {
|
|
|
|
mPopupParent = v;
|
|
|
|
}
|
|
|
|
|
|
|
|
public void setPopupOffset(int x, int y) {
|
|
|
|
mMiniKeyboardOffsetX = x;
|
|
|
|
mMiniKeyboardOffsetY = y;
|
|
|
|
if (mPreviewPopup.isShowing()) {
|
|
|
|
mPreviewPopup.dismiss();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* When enabled, calls to {@link OnKeyboardActionListener#onKey} will include key
|
|
|
|
* codes for adjacent keys. When disabled, only the primary key code will be
|
|
|
|
* reported.
|
|
|
|
* @param enabled whether or not the proximity correction is enabled
|
|
|
|
*/
|
|
|
|
public void setProximityCorrectionEnabled(boolean enabled) {
|
2010-08-26 08:49:26 +00:00
|
|
|
mProximityKeyDetector.setProximityCorrectionEnabled(enabled);
|
2010-08-20 05:35:02 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns true if proximity correction is enabled.
|
|
|
|
*/
|
|
|
|
public boolean isProximityCorrectionEnabled() {
|
2010-08-26 08:49:26 +00:00
|
|
|
return mProximityKeyDetector.isProximityCorrectionEnabled();
|
2010-08-20 05:35:02 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Popup keyboard close button clicked.
|
|
|
|
* @hide
|
|
|
|
*/
|
|
|
|
public void onClick(View v) {
|
|
|
|
dismissPopupKeyboard();
|
|
|
|
}
|
|
|
|
|
|
|
|
protected CharSequence adjustCase(CharSequence label) {
|
|
|
|
if (mKeyboard.isShifted() && label != null && label.length() < 3
|
|
|
|
&& Character.isLowerCase(label.charAt(0))) {
|
|
|
|
label = label.toString().toUpperCase();
|
|
|
|
}
|
|
|
|
return label;
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
|
|
|
|
// Round up a little
|
|
|
|
if (mKeyboard == null) {
|
|
|
|
setMeasuredDimension(
|
|
|
|
getPaddingLeft() + getPaddingRight(), getPaddingTop() + getPaddingBottom());
|
|
|
|
} else {
|
|
|
|
int width = mKeyboard.getMinWidth() + getPaddingLeft() + getPaddingRight();
|
|
|
|
if (MeasureSpec.getSize(widthMeasureSpec) < width + 10) {
|
|
|
|
width = MeasureSpec.getSize(widthMeasureSpec);
|
|
|
|
}
|
|
|
|
setMeasuredDimension(
|
|
|
|
width, mKeyboard.getHeight() + getPaddingTop() + getPaddingBottom());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Compute the average distance between adjacent keys (horizontally and vertically)
|
|
|
|
* and square it to get the proximity threshold. We use a square here and in computing
|
|
|
|
* the touch distance from a key's center to avoid taking a square root.
|
|
|
|
* @param keyboard
|
|
|
|
*/
|
|
|
|
private void computeProximityThreshold(Keyboard keyboard) {
|
|
|
|
if (keyboard == null) return;
|
|
|
|
final Key[] keys = mKeys;
|
|
|
|
if (keys == null) return;
|
|
|
|
int length = keys.length;
|
|
|
|
int dimensionSum = 0;
|
|
|
|
for (int i = 0; i < length; i++) {
|
|
|
|
Key key = keys[i];
|
|
|
|
dimensionSum += Math.min(key.width, key.height) + key.gap;
|
|
|
|
}
|
|
|
|
if (dimensionSum < 0 || length == 0) return;
|
2010-08-26 08:49:26 +00:00
|
|
|
mProximityKeyDetector.setProximityThreshold((int) (dimensionSum * 1.4f / length));
|
2010-08-20 05:35:02 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onSizeChanged(int w, int h, int oldw, int oldh) {
|
|
|
|
super.onSizeChanged(w, h, oldw, oldh);
|
|
|
|
// Release the buffer, if any and it will be reallocated on the next draw
|
|
|
|
mBuffer = null;
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onDraw(Canvas canvas) {
|
|
|
|
super.onDraw(canvas);
|
|
|
|
if (mDrawPending || mBuffer == null || mKeyboardChanged) {
|
|
|
|
onBufferDraw();
|
|
|
|
}
|
|
|
|
canvas.drawBitmap(mBuffer, 0, 0, null);
|
|
|
|
}
|
|
|
|
|
|
|
|
private void onBufferDraw() {
|
|
|
|
if (mBuffer == null || mKeyboardChanged) {
|
|
|
|
if (mBuffer == null || mKeyboardChanged &&
|
|
|
|
(mBuffer.getWidth() != getWidth() || mBuffer.getHeight() != getHeight())) {
|
|
|
|
// Make sure our bitmap is at least 1x1
|
|
|
|
final int width = Math.max(1, getWidth());
|
|
|
|
final int height = Math.max(1, getHeight());
|
|
|
|
mBuffer = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
|
|
|
|
mCanvas = new Canvas(mBuffer);
|
|
|
|
}
|
|
|
|
invalidateAllKeys();
|
|
|
|
mKeyboardChanged = false;
|
|
|
|
}
|
|
|
|
final Canvas canvas = mCanvas;
|
|
|
|
canvas.clipRect(mDirtyRect, Op.REPLACE);
|
|
|
|
|
|
|
|
if (mKeyboard == null) return;
|
|
|
|
|
|
|
|
final Paint paint = mPaint;
|
|
|
|
final Drawable keyBackground = mKeyBackground;
|
|
|
|
final Rect clipRegion = mClipRegion;
|
|
|
|
final Rect padding = mPadding;
|
|
|
|
final int kbdPaddingLeft = getPaddingLeft();
|
|
|
|
final int kbdPaddingTop = getPaddingTop();
|
|
|
|
final Key[] keys = mKeys;
|
|
|
|
final Key invalidKey = mInvalidatedKey;
|
|
|
|
|
|
|
|
paint.setColor(mKeyTextColor);
|
|
|
|
boolean drawSingleKey = false;
|
|
|
|
if (invalidKey != null && canvas.getClipBounds(clipRegion)) {
|
|
|
|
// Is clipRegion completely contained within the invalidated key?
|
|
|
|
if (invalidKey.x + kbdPaddingLeft - 1 <= clipRegion.left &&
|
|
|
|
invalidKey.y + kbdPaddingTop - 1 <= clipRegion.top &&
|
|
|
|
invalidKey.x + invalidKey.width + kbdPaddingLeft + 1 >= clipRegion.right &&
|
|
|
|
invalidKey.y + invalidKey.height + kbdPaddingTop + 1 >= clipRegion.bottom) {
|
|
|
|
drawSingleKey = true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
canvas.drawColor(0x00000000, PorterDuff.Mode.CLEAR);
|
|
|
|
final int keyCount = keys.length;
|
|
|
|
for (int i = 0; i < keyCount; i++) {
|
|
|
|
final Key key = keys[i];
|
|
|
|
if (drawSingleKey && invalidKey != key) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
int[] drawableState = key.getCurrentDrawableState();
|
|
|
|
keyBackground.setState(drawableState);
|
|
|
|
|
|
|
|
// Switch the character to uppercase if shift is pressed
|
|
|
|
String label = key.label == null? null : adjustCase(key.label).toString();
|
|
|
|
|
|
|
|
final Rect bounds = keyBackground.getBounds();
|
|
|
|
if (key.width != bounds.right ||
|
|
|
|
key.height != bounds.bottom) {
|
|
|
|
keyBackground.setBounds(0, 0, key.width, key.height);
|
|
|
|
}
|
|
|
|
canvas.translate(key.x + kbdPaddingLeft, key.y + kbdPaddingTop);
|
|
|
|
keyBackground.draw(canvas);
|
|
|
|
|
|
|
|
if (label != null) {
|
|
|
|
// For characters, use large font. For labels like "Done", use small font.
|
|
|
|
if (label.length() > 1 && key.codes.length < 2) {
|
|
|
|
paint.setTextSize(mLabelTextSize);
|
|
|
|
paint.setTypeface(Typeface.DEFAULT_BOLD);
|
|
|
|
} else {
|
|
|
|
paint.setTextSize(mKeyTextSize);
|
|
|
|
paint.setTypeface(mKeyTextStyle);
|
|
|
|
}
|
|
|
|
// Draw a drop shadow for the text
|
|
|
|
paint.setShadowLayer(mShadowRadius, 0, 0, mShadowColor);
|
|
|
|
// Draw the text
|
|
|
|
canvas.drawText(label,
|
|
|
|
(key.width - padding.left - padding.right) / 2
|
|
|
|
+ padding.left,
|
|
|
|
(key.height - padding.top - padding.bottom) / 2
|
|
|
|
+ (paint.getTextSize() - paint.descent()) / 2 + padding.top,
|
|
|
|
paint);
|
|
|
|
// Turn off drop shadow
|
|
|
|
paint.setShadowLayer(0, 0, 0, 0);
|
|
|
|
} else if (key.icon != null) {
|
|
|
|
final int drawableX = (key.width - padding.left - padding.right
|
|
|
|
- key.icon.getIntrinsicWidth()) / 2 + padding.left;
|
|
|
|
final int drawableY = (key.height - padding.top - padding.bottom
|
|
|
|
- key.icon.getIntrinsicHeight()) / 2 + padding.top;
|
|
|
|
canvas.translate(drawableX, drawableY);
|
|
|
|
key.icon.setBounds(0, 0,
|
|
|
|
key.icon.getIntrinsicWidth(), key.icon.getIntrinsicHeight());
|
|
|
|
key.icon.draw(canvas);
|
|
|
|
canvas.translate(-drawableX, -drawableY);
|
|
|
|
}
|
|
|
|
canvas.translate(-key.x - kbdPaddingLeft, -key.y - kbdPaddingTop);
|
|
|
|
}
|
|
|
|
mInvalidatedKey = null;
|
|
|
|
// Overlay a dark rectangle to dim the keyboard
|
|
|
|
if (mMiniKeyboardOnScreen) {
|
|
|
|
paint.setColor((int) (mBackgroundDimAmount * 0xFF) << 24);
|
|
|
|
canvas.drawRect(0, 0, getWidth(), getHeight(), paint);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (DEBUG) {
|
|
|
|
if (mShowTouchPoints) {
|
|
|
|
int lastX = mDebouncer.getLastX();
|
|
|
|
int lastY = mDebouncer.getLastY();
|
|
|
|
paint.setAlpha(128);
|
|
|
|
paint.setColor(0xFFFF0000);
|
|
|
|
canvas.drawCircle(mStartX, mStartY, 3, paint);
|
|
|
|
canvas.drawLine(mStartX, mStartY, lastX, lastY, paint);
|
|
|
|
paint.setColor(0xFF0000FF);
|
|
|
|
canvas.drawCircle(lastX, lastY, 3, paint);
|
|
|
|
paint.setColor(0xFF00FF00);
|
|
|
|
canvas.drawCircle((mStartX + lastX) / 2, (mStartY + lastY) / 2, 2, paint);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
mDrawPending = false;
|
|
|
|
mDirtyRect.setEmpty();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
private void detectAndSendKey(int index, int x, int y, long eventTime) {
|
|
|
|
if (index != NOT_A_KEY && index < mKeys.length) {
|
|
|
|
final Key key = mKeys[index];
|
|
|
|
if (key.text != null) {
|
|
|
|
mKeyboardActionListener.onText(key.text);
|
|
|
|
mKeyboardActionListener.onRelease(NOT_A_KEY);
|
|
|
|
} else {
|
|
|
|
int code = key.codes[0];
|
|
|
|
//TextEntryState.keyPressedAt(key, x, y);
|
2010-08-26 08:49:26 +00:00
|
|
|
int[] codes = mProximityKeyDetector.newCodeArray();
|
|
|
|
mProximityKeyDetector.getKeyIndexAndNearbyCodes(x, y, codes);
|
2010-08-20 05:35:02 +00:00
|
|
|
// Multi-tap
|
|
|
|
if (mInMultiTap) {
|
|
|
|
if (mTapCount != -1) {
|
2010-08-25 12:27:13 +00:00
|
|
|
mKeyboardActionListener.onKey(Keyboard.KEYCODE_DELETE, KEY_DELETE, x, y);
|
2010-08-20 05:35:02 +00:00
|
|
|
} else {
|
|
|
|
mTapCount = 0;
|
|
|
|
}
|
|
|
|
code = key.codes[mTapCount];
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* Swap the first and second values in the codes array if the primary code is not
|
|
|
|
* the first value but the second value in the array. This happens when key
|
|
|
|
* debouncing is in effect.
|
|
|
|
*/
|
|
|
|
if (codes.length >= 2 && codes[0] != code && codes[1] == code) {
|
|
|
|
codes[1] = codes[0];
|
|
|
|
codes[0] = code;
|
|
|
|
}
|
2010-08-25 12:27:13 +00:00
|
|
|
mKeyboardActionListener.onKey(code, codes, x, y);
|
2010-08-20 05:35:02 +00:00
|
|
|
mKeyboardActionListener.onRelease(code);
|
|
|
|
}
|
|
|
|
mLastSentIndex = index;
|
|
|
|
mLastTapTime = eventTime;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Handle multi-tap keys by producing the key label for the current multi-tap state.
|
|
|
|
*/
|
|
|
|
private CharSequence getPreviewText(Key key) {
|
|
|
|
if (mInMultiTap) {
|
|
|
|
// Multi-tap
|
|
|
|
mPreviewLabel.setLength(0);
|
|
|
|
mPreviewLabel.append((char) key.codes[mTapCount < 0 ? 0 : mTapCount]);
|
|
|
|
return adjustCase(mPreviewLabel);
|
|
|
|
} else {
|
|
|
|
return adjustCase(key.label);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
private void showPreview(int keyIndex) {
|
2010-08-27 12:23:51 +00:00
|
|
|
int oldKeyIndex = mOldPreviewKeyIndex;
|
|
|
|
mOldPreviewKeyIndex = keyIndex;
|
2010-08-20 05:35:02 +00:00
|
|
|
|
|
|
|
// Release the old key and press the new key
|
|
|
|
final Key[] keys = mKeys;
|
2010-08-27 12:23:51 +00:00
|
|
|
if (oldKeyIndex != keyIndex) {
|
2010-08-20 05:35:02 +00:00
|
|
|
if (oldKeyIndex != NOT_A_KEY && keys.length > oldKeyIndex) {
|
2010-08-27 12:23:51 +00:00
|
|
|
// if new key index is not a key, old key was just released inside of the key.
|
|
|
|
final boolean inside = (keyIndex == NOT_A_KEY);
|
|
|
|
keys[oldKeyIndex].onReleased(inside);
|
2010-08-20 05:35:02 +00:00
|
|
|
invalidateKey(oldKeyIndex);
|
|
|
|
}
|
2010-08-27 12:23:51 +00:00
|
|
|
if (keyIndex != NOT_A_KEY && keys.length > keyIndex) {
|
|
|
|
keys[keyIndex].onPressed();
|
|
|
|
invalidateKey(keyIndex);
|
2010-08-20 05:35:02 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
// If key changed and preview is on ...
|
2010-08-27 12:23:51 +00:00
|
|
|
if (oldKeyIndex != keyIndex && mShowPreview) {
|
|
|
|
final PopupWindow previewPopup = mPreviewPopup;
|
2010-08-20 05:35:02 +00:00
|
|
|
if (keyIndex == NOT_A_KEY) {
|
2010-08-27 12:04:11 +00:00
|
|
|
mHandler.cancelPopupPreview();
|
2010-08-20 05:35:02 +00:00
|
|
|
if (previewPopup.isShowing()) {
|
|
|
|
mHandler.dismissPreview(DELAY_AFTER_PREVIEW);
|
|
|
|
}
|
|
|
|
} else {
|
2010-08-27 12:04:11 +00:00
|
|
|
if (previewPopup.isShowing() && mPreviewText.getVisibility() == VISIBLE) {
|
|
|
|
// Show right away, if it's already visible and finger is moving around
|
|
|
|
showKey(keyIndex);
|
|
|
|
} else {
|
|
|
|
mHandler.popupPreview(keyIndex, DELAY_BEFORE_PREVIEW);
|
|
|
|
}
|
2010-08-20 05:35:02 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
private void showKey(final int keyIndex) {
|
|
|
|
final PopupWindow previewPopup = mPreviewPopup;
|
|
|
|
final Key[] keys = mKeys;
|
|
|
|
if (keyIndex < 0 || keyIndex >= mKeys.length) return;
|
|
|
|
Key key = keys[keyIndex];
|
|
|
|
if (key.icon != null) {
|
|
|
|
mPreviewText.setCompoundDrawables(null, null, null,
|
|
|
|
key.iconPreview != null ? key.iconPreview : key.icon);
|
|
|
|
mPreviewText.setText(null);
|
|
|
|
} else {
|
|
|
|
mPreviewText.setCompoundDrawables(null, null, null, null);
|
|
|
|
mPreviewText.setText(getPreviewText(key));
|
|
|
|
if (key.label.length() > 1 && key.codes.length < 2) {
|
|
|
|
mPreviewText.setTextSize(TypedValue.COMPLEX_UNIT_PX, mKeyTextSize);
|
|
|
|
mPreviewText.setTypeface(Typeface.DEFAULT_BOLD);
|
|
|
|
} else {
|
|
|
|
mPreviewText.setTextSize(TypedValue.COMPLEX_UNIT_PX, mPreviewTextSizeLarge);
|
|
|
|
mPreviewText.setTypeface(mKeyTextStyle);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
mPreviewText.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
|
|
|
|
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
|
|
|
|
int popupWidth = Math.max(mPreviewText.getMeasuredWidth(), key.width
|
|
|
|
+ mPreviewText.getPaddingLeft() + mPreviewText.getPaddingRight());
|
|
|
|
final int popupHeight = mPreviewHeight;
|
|
|
|
LayoutParams lp = mPreviewText.getLayoutParams();
|
|
|
|
if (lp != null) {
|
|
|
|
lp.width = popupWidth;
|
|
|
|
lp.height = popupHeight;
|
|
|
|
}
|
2010-08-27 12:23:51 +00:00
|
|
|
if (PREVIEW_CENTERED) {
|
2010-08-20 05:35:02 +00:00
|
|
|
// TODO: Fix this if centering is brought back
|
|
|
|
mPopupPreviewX = 160 - mPreviewText.getMeasuredWidth() / 2;
|
|
|
|
mPopupPreviewY = - mPreviewText.getMeasuredHeight();
|
2010-08-27 12:23:51 +00:00
|
|
|
} else {
|
|
|
|
mPopupPreviewX = key.x - mPreviewText.getPaddingLeft() + getPaddingLeft();
|
|
|
|
mPopupPreviewY = key.y - popupHeight + mPreviewOffset;
|
2010-08-20 05:35:02 +00:00
|
|
|
}
|
|
|
|
mHandler.cancelDismissPreview();
|
|
|
|
if (mOffsetInWindow == null) {
|
|
|
|
mOffsetInWindow = new int[2];
|
|
|
|
getLocationInWindow(mOffsetInWindow);
|
|
|
|
mOffsetInWindow[0] += mMiniKeyboardOffsetX; // Offset may be zero
|
|
|
|
mOffsetInWindow[1] += mMiniKeyboardOffsetY; // Offset may be zero
|
|
|
|
int[] mWindowLocation = new int[2];
|
|
|
|
getLocationOnScreen(mWindowLocation);
|
|
|
|
mWindowY = mWindowLocation[1];
|
|
|
|
}
|
|
|
|
// Set the preview background state
|
|
|
|
mPreviewText.getBackground().setState(
|
|
|
|
key.popupResId != 0 ? LONG_PRESSABLE_STATE_SET : EMPTY_STATE_SET);
|
|
|
|
mPopupPreviewX += mOffsetInWindow[0];
|
|
|
|
mPopupPreviewY += mOffsetInWindow[1];
|
|
|
|
|
|
|
|
// If the popup cannot be shown above the key, put it on the side
|
|
|
|
if (mPopupPreviewY + mWindowY < 0) {
|
|
|
|
// If the key you're pressing is on the left side of the keyboard, show the popup on
|
|
|
|
// the right, offset by enough to see at least one key to the left/right.
|
|
|
|
if (key.x + key.width <= getWidth() / 2) {
|
|
|
|
mPopupPreviewX += (int) (key.width * 2.5);
|
|
|
|
} else {
|
|
|
|
mPopupPreviewX -= (int) (key.width * 2.5);
|
|
|
|
}
|
|
|
|
mPopupPreviewY += popupHeight;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (previewPopup.isShowing()) {
|
|
|
|
previewPopup.update(mPopupPreviewX, mPopupPreviewY,
|
|
|
|
popupWidth, popupHeight);
|
|
|
|
} else {
|
|
|
|
previewPopup.setWidth(popupWidth);
|
|
|
|
previewPopup.setHeight(popupHeight);
|
|
|
|
previewPopup.showAtLocation(mPopupParent, Gravity.NO_GRAVITY,
|
|
|
|
mPopupPreviewX, mPopupPreviewY);
|
|
|
|
}
|
|
|
|
mPreviewText.setVisibility(VISIBLE);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Requests a redraw of the entire keyboard. Calling {@link #invalidate} is not sufficient
|
|
|
|
* because the keyboard renders the keys to an off-screen buffer and an invalidate() only
|
|
|
|
* draws the cached buffer.
|
|
|
|
* @see #invalidateKey(int)
|
|
|
|
*/
|
|
|
|
public void invalidateAllKeys() {
|
|
|
|
mDirtyRect.union(0, 0, getWidth(), getHeight());
|
|
|
|
mDrawPending = true;
|
|
|
|
invalidate();
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Invalidates a key so that it will be redrawn on the next repaint. Use this method if only
|
|
|
|
* one key is changing it's content. Any changes that affect the position or size of the key
|
|
|
|
* may not be honored.
|
|
|
|
* @param keyIndex the index of the key in the attached {@link Keyboard}.
|
|
|
|
* @see #invalidateAllKeys
|
|
|
|
*/
|
|
|
|
public void invalidateKey(int keyIndex) {
|
|
|
|
if (mKeys == null) return;
|
|
|
|
if (keyIndex < 0 || keyIndex >= mKeys.length) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
final Key key = mKeys[keyIndex];
|
|
|
|
mInvalidatedKey = key;
|
|
|
|
mDirtyRect.union(key.x + getPaddingLeft(), key.y + getPaddingTop(),
|
|
|
|
key.x + key.width + getPaddingLeft(), key.y + key.height + getPaddingTop());
|
|
|
|
onBufferDraw();
|
|
|
|
invalidate(key.x + getPaddingLeft(), key.y + getPaddingTop(),
|
|
|
|
key.x + key.width + getPaddingLeft(), key.y + key.height + getPaddingTop());
|
|
|
|
}
|
|
|
|
|
2010-08-25 03:08:20 +00:00
|
|
|
private boolean openPopupIfRequired(int keyIndex) {
|
2010-08-20 05:35:02 +00:00
|
|
|
// Check if we have a popup layout specified first.
|
|
|
|
if (mPopupLayout == 0) {
|
|
|
|
return false;
|
|
|
|
}
|
2010-08-25 03:08:20 +00:00
|
|
|
if (keyIndex < 0 || keyIndex >= mKeys.length) {
|
2010-08-20 05:35:02 +00:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2010-08-25 03:08:20 +00:00
|
|
|
Key popupKey = mKeys[keyIndex];
|
2010-08-20 05:35:02 +00:00
|
|
|
boolean result = onLongPress(popupKey);
|
|
|
|
if (result) {
|
|
|
|
mAbortKey = true;
|
|
|
|
showPreview(NOT_A_KEY);
|
|
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Called when a key is long pressed. By default this will open any popup keyboard associated
|
|
|
|
* with this key through the attributes popupLayout and popupCharacters.
|
|
|
|
* @param popupKey the key that was long pressed
|
|
|
|
* @return true if the long press is handled, false otherwise. Subclasses should call the
|
|
|
|
* method on the base class if the subclass doesn't wish to handle the call.
|
|
|
|
*/
|
|
|
|
protected boolean onLongPress(Key popupKey) {
|
|
|
|
int popupKeyboardId = popupKey.popupResId;
|
|
|
|
|
|
|
|
if (popupKeyboardId != 0) {
|
|
|
|
mMiniKeyboardContainer = mMiniKeyboardCache.get(popupKey);
|
|
|
|
if (mMiniKeyboardContainer == null) {
|
|
|
|
LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(
|
|
|
|
Context.LAYOUT_INFLATER_SERVICE);
|
|
|
|
mMiniKeyboardContainer = inflater.inflate(mPopupLayout, null);
|
|
|
|
mMiniKeyboard = (LatinKeyboardBaseView) mMiniKeyboardContainer.findViewById(
|
|
|
|
R.id.LatinKeyboardBaseView);
|
2010-08-27 12:23:51 +00:00
|
|
|
View closeButton = mMiniKeyboardContainer.findViewById(R.id.closeButton);
|
2010-08-20 05:35:02 +00:00
|
|
|
if (closeButton != null) closeButton.setOnClickListener(this);
|
|
|
|
mMiniKeyboard.setOnKeyboardActionListener(new OnKeyboardActionListener() {
|
2010-08-25 12:27:13 +00:00
|
|
|
public void onKey(int primaryCode, int[] keyCodes, int x, int y) {
|
|
|
|
mKeyboardActionListener.onKey(primaryCode, keyCodes, x, y);
|
2010-08-20 05:35:02 +00:00
|
|
|
dismissPopupKeyboard();
|
|
|
|
}
|
|
|
|
|
|
|
|
public void onText(CharSequence text) {
|
|
|
|
mKeyboardActionListener.onText(text);
|
|
|
|
dismissPopupKeyboard();
|
|
|
|
}
|
|
|
|
|
|
|
|
public void swipeLeft() { }
|
|
|
|
public void swipeRight() { }
|
|
|
|
public void swipeUp() { }
|
|
|
|
public void swipeDown() { }
|
|
|
|
public void onPress(int primaryCode) {
|
|
|
|
mKeyboardActionListener.onPress(primaryCode);
|
|
|
|
}
|
|
|
|
public void onRelease(int primaryCode) {
|
|
|
|
mKeyboardActionListener.onRelease(primaryCode);
|
|
|
|
}
|
|
|
|
});
|
|
|
|
//mInputView.setSuggest(mSuggest);
|
|
|
|
Keyboard keyboard;
|
|
|
|
if (popupKey.popupCharacters != null) {
|
|
|
|
keyboard = new Keyboard(getContext(), popupKeyboardId,
|
|
|
|
popupKey.popupCharacters, -1, getPaddingLeft() + getPaddingRight());
|
|
|
|
} else {
|
|
|
|
keyboard = new Keyboard(getContext(), popupKeyboardId);
|
|
|
|
}
|
|
|
|
mMiniKeyboard.setKeyboard(keyboard);
|
|
|
|
mMiniKeyboard.setPopupParent(this);
|
|
|
|
mMiniKeyboardContainer.measure(
|
|
|
|
MeasureSpec.makeMeasureSpec(getWidth(), MeasureSpec.AT_MOST),
|
|
|
|
MeasureSpec.makeMeasureSpec(getHeight(), MeasureSpec.AT_MOST));
|
|
|
|
|
|
|
|
mMiniKeyboardCache.put(popupKey, mMiniKeyboardContainer);
|
|
|
|
} else {
|
|
|
|
mMiniKeyboard = (LatinKeyboardBaseView) mMiniKeyboardContainer.findViewById(
|
|
|
|
R.id.LatinKeyboardBaseView);
|
|
|
|
}
|
|
|
|
if (mWindowOffset == null) {
|
|
|
|
mWindowOffset = new int[2];
|
|
|
|
getLocationInWindow(mWindowOffset);
|
|
|
|
}
|
2010-08-27 12:23:51 +00:00
|
|
|
int popupX = popupKey.x + getPaddingLeft();
|
|
|
|
int popupY = popupKey.y + getPaddingTop();
|
|
|
|
popupX = popupX + popupKey.width - mMiniKeyboardContainer.getMeasuredWidth();
|
|
|
|
popupY = popupY - mMiniKeyboardContainer.getMeasuredHeight();
|
|
|
|
final int x = popupX + mMiniKeyboardContainer.getPaddingRight() + mWindowOffset[0];
|
|
|
|
final int y = popupY + mMiniKeyboardContainer.getPaddingBottom() + mWindowOffset[1];
|
2010-08-20 05:35:02 +00:00
|
|
|
mMiniKeyboard.setPopupOffset(x < 0 ? 0 : x, y);
|
|
|
|
mMiniKeyboard.setShifted(isShifted());
|
|
|
|
mPopupKeyboard.setContentView(mMiniKeyboardContainer);
|
|
|
|
mPopupKeyboard.setWidth(mMiniKeyboardContainer.getMeasuredWidth());
|
|
|
|
mPopupKeyboard.setHeight(mMiniKeyboardContainer.getMeasuredHeight());
|
|
|
|
mPopupKeyboard.showAtLocation(this, Gravity.NO_GRAVITY, x, y);
|
|
|
|
mMiniKeyboardOnScreen = true;
|
|
|
|
//mMiniKeyboard.onTouchEvent(getTranslatedEvent(me));
|
|
|
|
invalidateAllKeys();
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2010-08-26 12:16:34 +00:00
|
|
|
private int getTouchX(float x) {
|
|
|
|
return (int)x - getPaddingLeft();
|
|
|
|
}
|
|
|
|
|
|
|
|
private int getTouchY(float y) {
|
|
|
|
return (int)y + mVerticalCorrection - getPaddingTop();
|
|
|
|
}
|
|
|
|
|
2010-08-20 05:35:02 +00:00
|
|
|
@Override
|
|
|
|
public boolean onTouchEvent(MotionEvent me) {
|
|
|
|
// Convert multi-pointer up/down events to single up/down events to
|
|
|
|
// deal with the typical multi-pointer behavior of two-thumb typing
|
|
|
|
final int pointerCount = me.getPointerCount();
|
|
|
|
final int action = me.getAction();
|
2010-08-26 12:16:34 +00:00
|
|
|
final long eventTime = me.getEventTime();
|
2010-08-20 05:35:02 +00:00
|
|
|
|
2010-08-24 13:30:43 +00:00
|
|
|
if (pointerCount > 1 && mOldPointerCount > 1) {
|
|
|
|
// Don't do anything when 2 or more pointers are down and moving.
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Track the last few movements to look for spurious swipes.
|
|
|
|
mSwipeTracker.addMovement(me);
|
|
|
|
|
|
|
|
// Ignore all motion events until a DOWN.
|
|
|
|
if (mAbortKey
|
|
|
|
&& action != MotionEvent.ACTION_DOWN && action != MotionEvent.ACTION_CANCEL) {
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (mGestureDetector.onTouchEvent(me)) {
|
|
|
|
showPreview(NOT_A_KEY);
|
|
|
|
mHandler.cancelKeyTimers();
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Needs to be called after the gesture detector gets a turn, as it may have
|
|
|
|
// displayed the mini keyboard
|
|
|
|
if (mMiniKeyboardOnScreen && action != MotionEvent.ACTION_CANCEL) {
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2010-08-24 13:46:36 +00:00
|
|
|
if (mHandler.isInKeyRepeat()) {
|
2010-08-26 01:32:50 +00:00
|
|
|
// It'll be canceled if 2 or more keys are in action. Otherwise it will keep being in
|
|
|
|
// the key repeating mode while the key is being pressed.
|
|
|
|
if (pointerCount > 1) {
|
2010-08-24 13:46:36 +00:00
|
|
|
mHandler.cancelKeyRepeatTimer();
|
2010-08-26 01:32:50 +00:00
|
|
|
} else if (action == MotionEvent.ACTION_MOVE) {
|
|
|
|
return true;
|
2010-08-24 13:46:36 +00:00
|
|
|
}
|
2010-08-26 01:32:50 +00:00
|
|
|
// Up event will pass through.
|
2010-08-24 13:46:36 +00:00
|
|
|
}
|
|
|
|
|
2010-08-26 12:16:34 +00:00
|
|
|
int touchX = getTouchX(me.getX());
|
|
|
|
int touchY = getTouchY(me.getY());
|
2010-08-20 05:35:02 +00:00
|
|
|
if (pointerCount != mOldPointerCount) {
|
|
|
|
if (pointerCount == 1) {
|
|
|
|
// Send a down event for the latest pointer
|
2010-08-26 12:16:34 +00:00
|
|
|
onDownEvent(touchX, touchY, eventTime);
|
2010-08-20 05:35:02 +00:00
|
|
|
// If it's an up action, then deliver the up as well.
|
|
|
|
if (action == MotionEvent.ACTION_UP) {
|
2010-08-26 12:16:34 +00:00
|
|
|
onUpEvent(touchX, touchY, eventTime);
|
2010-08-20 05:35:02 +00:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
// Send an up event for the last pointer
|
2010-08-26 12:16:34 +00:00
|
|
|
onUpEvent(mOldPointerX, mOldPointerY, eventTime);
|
2010-08-20 05:35:02 +00:00
|
|
|
}
|
2010-08-24 13:30:43 +00:00
|
|
|
mOldPointerCount = pointerCount;
|
2010-08-26 12:16:34 +00:00
|
|
|
return true;
|
2010-08-20 05:35:02 +00:00
|
|
|
} else {
|
|
|
|
if (pointerCount == 1) {
|
2010-08-26 12:16:34 +00:00
|
|
|
onModifiedTouchEvent(action, touchX, touchY, eventTime);
|
|
|
|
mOldPointerX = touchX;
|
|
|
|
mOldPointerY = touchY;
|
|
|
|
return true;
|
2010-08-20 05:35:02 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-08-26 12:16:34 +00:00
|
|
|
return false;
|
2010-08-20 05:35:02 +00:00
|
|
|
}
|
|
|
|
|
2010-08-26 12:16:34 +00:00
|
|
|
private void onModifiedTouchEvent(int action, int touchX, int touchY, long eventTime) {
|
2010-08-20 05:35:02 +00:00
|
|
|
switch (action) {
|
|
|
|
case MotionEvent.ACTION_DOWN:
|
2010-08-26 12:16:34 +00:00
|
|
|
onDownEvent(touchX, touchY, eventTime);
|
2010-08-20 05:35:02 +00:00
|
|
|
break;
|
|
|
|
case MotionEvent.ACTION_MOVE:
|
2010-08-26 12:16:34 +00:00
|
|
|
onMoveEvent(touchX, touchY, eventTime);
|
2010-08-20 05:35:02 +00:00
|
|
|
break;
|
|
|
|
case MotionEvent.ACTION_UP:
|
2010-08-26 12:16:34 +00:00
|
|
|
onUpEvent(touchX, touchY, eventTime);
|
2010-08-20 05:35:02 +00:00
|
|
|
break;
|
|
|
|
case MotionEvent.ACTION_CANCEL:
|
2010-08-26 12:16:34 +00:00
|
|
|
onCancelEvent(touchX, touchY, eventTime);
|
2010-08-20 05:35:02 +00:00
|
|
|
break;
|
|
|
|
}
|
2010-08-26 12:16:34 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
private void onDownEvent(int touchX, int touchY, long eventTime) {
|
|
|
|
int keyIndex = mProximityKeyDetector.getKeyIndexAndNearbyCodes(touchX, touchY, null);
|
|
|
|
mAbortKey = false;
|
|
|
|
mCurrentKey = keyIndex;
|
|
|
|
mStartX = touchX;
|
|
|
|
mStartY = touchY;
|
|
|
|
mDebouncer.startMoveDebouncing(touchX, touchY);
|
|
|
|
mDebouncer.startTimeDebouncing(eventTime);
|
|
|
|
checkMultiTap(eventTime, keyIndex);
|
|
|
|
mKeyboardActionListener.onPress(keyIndex != NOT_A_KEY ? mKeys[keyIndex].codes[0] : 0);
|
|
|
|
if (keyIndex >= 0 && mKeys[keyIndex].repeatable) {
|
|
|
|
repeatKey(keyIndex);
|
|
|
|
mHandler.startKeyRepeatTimer(REPEAT_START_DELAY, keyIndex);
|
|
|
|
// Delivering the key could have caused an abort
|
|
|
|
if (mAbortKey) {
|
|
|
|
mHandler.cancelKeyRepeatTimer();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (keyIndex != NOT_A_KEY) {
|
|
|
|
mHandler.startLongPressTimer(keyIndex, LONGPRESS_TIMEOUT);
|
|
|
|
}
|
|
|
|
showPreview(keyIndex);
|
|
|
|
mDebouncer.updateMoveDebouncing(touchX, touchY);
|
|
|
|
}
|
|
|
|
|
|
|
|
private void onMoveEvent(int touchX, int touchY, long eventTime) {
|
|
|
|
int keyIndex = mProximityKeyDetector.getKeyIndexAndNearbyCodes(touchX, touchY, null);
|
|
|
|
if (keyIndex != NOT_A_KEY) {
|
|
|
|
if (mCurrentKey == NOT_A_KEY) {
|
|
|
|
mDebouncer.updateTimeDebouncing(eventTime);
|
|
|
|
mCurrentKey = keyIndex;
|
|
|
|
mHandler.startLongPressTimer(keyIndex, LONGPRESS_TIMEOUT);
|
|
|
|
} else if (mDebouncer.isMinorMoveBounce(touchX, touchY, keyIndex, mCurrentKey)) {
|
|
|
|
mDebouncer.updateTimeDebouncing(eventTime);
|
|
|
|
} else {
|
|
|
|
resetMultiTap();
|
|
|
|
mDebouncer.resetTimeDebouncing(eventTime, mCurrentKey);
|
|
|
|
mDebouncer.resetMoveDebouncing();
|
|
|
|
mCurrentKey = keyIndex;
|
|
|
|
mHandler.startLongPressTimer(keyIndex, LONGPRESS_TIMEOUT);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
mHandler.cancelLongPressTimer();
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* While time debouncing is in effect, mCurrentKey holds the new key and mDebouncer
|
|
|
|
* holds the last key. At ACTION_UP event if time debouncing will be in effect
|
|
|
|
* eventually, the last key should be sent as the result. In such case mCurrentKey
|
|
|
|
* should not be showed as popup preview.
|
|
|
|
*/
|
|
|
|
showPreview(mDebouncer.isMinorTimeBounce() ? mDebouncer.getLastKey() : mCurrentKey);
|
2010-08-20 05:35:02 +00:00
|
|
|
mDebouncer.updateMoveDebouncing(touchX, touchY);
|
2010-08-26 12:16:34 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
private void onUpEvent(int touchX, int touchY, long eventTime) {
|
|
|
|
int keyIndex = mProximityKeyDetector.getKeyIndexAndNearbyCodes(touchX, touchY, null);
|
|
|
|
boolean wasInKeyRepeat = mHandler.isInKeyRepeat();
|
|
|
|
mHandler.cancelKeyTimers();
|
2010-08-27 12:04:11 +00:00
|
|
|
mHandler.cancelPopupPreview();
|
2010-08-26 12:16:34 +00:00
|
|
|
if (mDebouncer.isMinorMoveBounce(touchX, touchY, keyIndex, mCurrentKey)) {
|
|
|
|
mDebouncer.updateTimeDebouncing(eventTime);
|
|
|
|
} else {
|
|
|
|
resetMultiTap();
|
|
|
|
mDebouncer.resetTimeDebouncing(eventTime, mCurrentKey);
|
|
|
|
mCurrentKey = keyIndex;
|
|
|
|
}
|
|
|
|
if (mDebouncer.isMinorTimeBounce()) {
|
|
|
|
mCurrentKey = mDebouncer.getLastKey();
|
|
|
|
touchX = mDebouncer.getLastCodeX();
|
|
|
|
touchY = mDebouncer.getLastCodeY();
|
|
|
|
}
|
|
|
|
showPreview(NOT_A_KEY);
|
|
|
|
// If we're not on a repeating key (which sends on a DOWN event)
|
|
|
|
if (!wasInKeyRepeat && !mMiniKeyboardOnScreen && !mAbortKey) {
|
|
|
|
detectAndSendKey(mCurrentKey, touchX, touchY, eventTime);
|
|
|
|
}
|
|
|
|
invalidateKey(keyIndex);
|
|
|
|
}
|
|
|
|
|
|
|
|
private void onCancelEvent(int touchX, int touchY, long eventTime) {
|
|
|
|
mHandler.cancelKeyTimers();
|
2010-08-27 12:04:11 +00:00
|
|
|
mHandler.cancelPopupPreview();
|
2010-08-26 12:16:34 +00:00
|
|
|
dismissPopupKeyboard();
|
|
|
|
mAbortKey = true;
|
|
|
|
showPreview(NOT_A_KEY);
|
|
|
|
invalidateKey(mCurrentKey);
|
2010-08-20 05:35:02 +00:00
|
|
|
}
|
|
|
|
|
2010-08-24 13:46:36 +00:00
|
|
|
private void repeatKey(int keyIndex) {
|
|
|
|
Key key = mKeys[keyIndex];
|
|
|
|
// While key is repeating, because there is no need to handle multi-tap key, we can pass
|
|
|
|
// -1 as eventTime argument.
|
|
|
|
detectAndSendKey(keyIndex, key.x, key.y, -1);
|
2010-08-20 05:35:02 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
protected void swipeRight() {
|
|
|
|
mKeyboardActionListener.swipeRight();
|
|
|
|
}
|
|
|
|
|
|
|
|
protected void swipeLeft() {
|
|
|
|
mKeyboardActionListener.swipeLeft();
|
|
|
|
}
|
|
|
|
|
|
|
|
protected void swipeUp() {
|
|
|
|
mKeyboardActionListener.swipeUp();
|
|
|
|
}
|
|
|
|
|
|
|
|
protected void swipeDown() {
|
|
|
|
mKeyboardActionListener.swipeDown();
|
|
|
|
}
|
|
|
|
|
|
|
|
public void closing() {
|
|
|
|
if (mPreviewPopup.isShowing()) {
|
|
|
|
mPreviewPopup.dismiss();
|
|
|
|
}
|
|
|
|
mHandler.cancelAllMessages();
|
|
|
|
|
|
|
|
dismissPopupKeyboard();
|
|
|
|
mBuffer = null;
|
|
|
|
mCanvas = null;
|
|
|
|
mMiniKeyboardCache.clear();
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onDetachedFromWindow() {
|
|
|
|
super.onDetachedFromWindow();
|
|
|
|
closing();
|
|
|
|
}
|
|
|
|
|
|
|
|
private void dismissPopupKeyboard() {
|
|
|
|
if (mPopupKeyboard.isShowing()) {
|
|
|
|
mPopupKeyboard.dismiss();
|
|
|
|
mMiniKeyboardOnScreen = false;
|
|
|
|
invalidateAllKeys();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public boolean handleBack() {
|
|
|
|
if (mPopupKeyboard.isShowing()) {
|
|
|
|
dismissPopupKeyboard();
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
private void resetMultiTap() {
|
|
|
|
mLastSentIndex = NOT_A_KEY;
|
|
|
|
mTapCount = 0;
|
|
|
|
mLastTapTime = -1;
|
|
|
|
mInMultiTap = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
private void checkMultiTap(long eventTime, int keyIndex) {
|
|
|
|
if (keyIndex == NOT_A_KEY) return;
|
|
|
|
Key key = mKeys[keyIndex];
|
|
|
|
if (key.codes.length > 1) {
|
|
|
|
mInMultiTap = true;
|
|
|
|
if (eventTime < mLastTapTime + MULTITAP_INTERVAL
|
|
|
|
&& keyIndex == mLastSentIndex) {
|
|
|
|
mTapCount = (mTapCount + 1) % key.codes.length;
|
|
|
|
return;
|
|
|
|
} else {
|
|
|
|
mTapCount = -1;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (eventTime > mLastTapTime + MULTITAP_INTERVAL || keyIndex != mLastSentIndex) {
|
|
|
|
resetMultiTap();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|