nyancrimew/LatinIME
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Merge PointerTrackerKeyState into PointerTracker

Browse source 
Bug: 4768084
Change-Id: I0be0e07bff2542db6ba764dcb13505dfbff6994e
This commit is contained in:
Tadashi G. Takaoka 2011-07-08 16:19:19 -07:00
parent 10912baf60
commit 8a995157f3
2 changed files with 77 additions and 149 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

119
java/src/com/android/inputmethod/keyboard/PointerTracker.java
View file

@ -23,7 +23,6 @@ import android.util.Log;
import android.view.MotionEvent;
import com.android.inputmethod.keyboard.LatinKeyboardBaseView.KeyTimerHandler;
import com.android.inputmethod.keyboard.internal.PointerTrackerKeyState;
import com.android.inputmethod.keyboard.internal.PointerTrackerQueue;
import com.android.inputmethod.latin.LatinImeLogger;
import com.android.inputmethod.latin.R;
@ -68,7 +67,19 @@ public class PointerTracker {
private List<Key> mKeys;
private int mKeyQuarterWidthSquared;
private final PointerTrackerKeyState mKeyState;
// The position and time at which first down event occurred.
private long mDownTime;
private long mUpTime;
// The current key index where this pointer is.
private int mKeyIndex = KeyDetector.NOT_A_KEY;
// The position where mKeyIndex was recognized for the first time.
private int mKeyX;
private int mKeyY;
// Last pointer position.
private int mLastX;
private int mLastY;
// true if keyboard layout has been changed.
private boolean mKeyboardLayoutHasBeenChanged;
@ -116,7 +127,6 @@ public class PointerTracker {
mDrawingProxy = drawingProxy;
mKeyTimerHandler = keyTimerHandler;
mPointerTrackerQueue = queue; // This is null for non-distinct multi-touch device.
mKeyState = new PointerTrackerKeyState(keyDetector);
setKeyDetectorInner(keyDetector);
mKeyboardSwitcher = KeyboardSwitcher.getInstance();
final Resources res = context.getResources();
@ -197,7 +207,6 @@ public class PointerTracker {
mKeyDetector = keyDetector;
mKeyboard = keyDetector.getKeyboard();
mKeys = mKeyboard.getKeys();
mKeyState.setKeyDetector(keyDetector);
final int keyQuarterWidth = mKeyboard.getKeyWidth() / 4;
mKeyQuarterWidthSquared = keyQuarterWidth * keyQuarterWidth;
}
@ -233,7 +242,7 @@ public class PointerTracker {
}
public boolean isModifier() {
return isModifierInternal(mKeyState.getKeyIndex());
return isModifierInternal(mKeyIndex);
}
private boolean isOnModifierKey(int x, int y) {
@ -255,7 +264,7 @@ public class PointerTracker {
}
public void setReleasedKeyGraphics() {
setReleasedKeyGraphics(mKeyState.getKeyIndex());
setReleasedKeyGraphics(mKeyIndex);
}
private void setReleasedKeyGraphics(int keyIndex) {
@ -274,6 +283,46 @@ public class PointerTracker {
}
}
public int getLastX() {
return mLastX;
}
public int getLastY() {
return mLastY;
}
public long getDownTime() {
return mDownTime;
}
private int onDownKey(int x, int y, long eventTime) {
mDownTime = eventTime;
return onMoveToNewKey(onMoveKeyInternal(x, y), x, y);
}
private int onMoveKeyInternal(int x, int y) {
mLastX = x;
mLastY = y;
return mKeyDetector.getKeyIndexAndNearbyCodes(x, y, null);
}
private int onMoveKey(int x, int y) {
return onMoveKeyInternal(x, y);
}
private int onMoveToNewKey(int keyIndex, int x, int y) {
mKeyIndex = keyIndex;
mKeyX = x;
mKeyY = y;
return keyIndex;
}
private int onUpKey(int x, int y, long eventTime) {
mUpTime = eventTime;
mKeyIndex = KeyDetector.NOT_A_KEY;
return onMoveKeyInternal(x, y);
}
public void onTouchEvent(int action, int x, int y, long eventTime) {
switch (action) {
case MotionEvent.ACTION_MOVE:
@ -298,10 +347,10 @@ public class PointerTracker {
printTouchEvent("onDownEvent:", x, y, eventTime);
// Naive up-to-down noise filter.
final long deltaT = eventTime - mKeyState.getUpTime();
final long deltaT = eventTime - mUpTime;
if (deltaT < mTouchNoiseThresholdMillis) {
final int dx = x - mKeyState.getLastX();
final int dy = y - mKeyState.getLastY();
final int dx = x - mLastX;
final int dy = y - mLastY;
final int distanceSquared = (dx * dx + dy * dy);
if (distanceSquared < mTouchNoiseThresholdDistanceSquared) {
if (DEBUG_MODE)
@ -325,7 +374,7 @@ public class PointerTracker {
}
private void onDownEventInternal(int x, int y, long eventTime) {
int keyIndex = mKeyState.onDownKey(x, y, eventTime);
int keyIndex = onDownKey(x, y, eventTime);
// Sliding key is allowed when 1) enabled by configuration, 2) this pointer starts sliding
// from modifier key, or 3) this pointer is on mini-keyboard.
mIsAllowedSlidingKeyInput = mConfigSlidingKeyInputEnabled || isModifierInternal(keyIndex)
@ -341,7 +390,7 @@ public class PointerTracker {
// {@link #setKeyboard}. In those cases, we should update keyIndex according to the new
// keyboard layout.
if (callListenerOnPressAndCheckKeyboardLayoutChange(getKey(keyIndex), false))
keyIndex = mKeyState.onDownKey(x, y, eventTime);
keyIndex = onDownKey(x, y, eventTime);
startRepeatKey(keyIndex);
startLongPressTimer(keyIndex);
@ -361,19 +410,18 @@ public class PointerTracker {
printTouchEvent("onMoveEvent:", x, y, eventTime);
if (mKeyAlreadyProcessed)
return;
final PointerTrackerKeyState keyState = mKeyState;
// TODO: Remove this hacking code
if (mIsInSlidingLanguageSwitch) {
((LatinKeyboard)mKeyboard).updateSpacebarPreviewIcon(x - keyState.getKeyX());
((LatinKeyboard)mKeyboard).updateSpacebarPreviewIcon(x - mKeyX);
showKeyPreview(mSpaceKeyIndex);
return;
}
final int lastX = keyState.getLastX();
final int lastY = keyState.getLastY();
final int oldKeyIndex = keyState.getKeyIndex();
final int lastX = mLastX;
final int lastY = mLastY;
final int oldKeyIndex = mKeyIndex;
final Key oldKey = getKey(oldKeyIndex);
int keyIndex = keyState.onMoveKey(x, y);
int keyIndex = onMoveKey(x, y);
if (isValidKeyIndex(keyIndex)) {
if (oldKey == null) {
// The pointer has been slid in to the new key, but the finger was not on any keys.
@ -382,8 +430,8 @@ public class PointerTracker {
// {@link #setKeyboard}. In those cases, we should update keyIndex according to the
// new keyboard layout.
if (callListenerOnPressAndCheckKeyboardLayoutChange(getKey(keyIndex), true))
keyIndex = keyState.onMoveKey(x, y);
keyState.onMoveToNewKey(keyIndex, x, y);
keyIndex = onMoveKey(x, y);
onMoveToNewKey(keyIndex, x, y);
startLongPressTimer(keyIndex);
showKeyPreview(keyIndex);
setPressedKeyGraphics(keyIndex);
@ -401,8 +449,8 @@ public class PointerTracker {
// at {@link #setKeyboard}. In those cases, we should update keyIndex according
// to the new keyboard layout.
if (callListenerOnPressAndCheckKeyboardLayoutChange(getKey(keyIndex), true))
keyIndex = keyState.onMoveKey(x, y);
keyState.onMoveToNewKey(keyIndex, x, y);
keyIndex = onMoveKey(x, y);
onMoveToNewKey(keyIndex, x, y);
startLongPressTimer(keyIndex);
setPressedKeyGraphics(keyIndex);
showKeyPreview(keyIndex);
@ -432,7 +480,7 @@ public class PointerTracker {
final LatinKeyboard keyboard = ((LatinKeyboard)mKeyboard);
if (mSubtypeSwitcher.useSpacebarLanguageSwitcher()
&& mSubtypeSwitcher.getEnabledKeyboardLocaleCount() > 1) {
final int diff = x - keyState.getKeyX();
final int diff = x - mKeyX;
if (keyboard.shouldTriggerSpacebarSlidingLanguageSwitch(diff)) {
// Detect start sliding language switch.
mIsInSlidingLanguageSwitch = true;
@ -455,7 +503,7 @@ public class PointerTracker {
startSlidingKeyInput(oldKey);
mKeyTimerHandler.cancelLongPressTimers();
if (mIsAllowedSlidingKeyInput) {
keyState.onMoveToNewKey(keyIndex, x, y);
onMoveToNewKey(keyIndex, x, y);
} else {
mKeyAlreadyProcessed = true;
dismissKeyPreview();
@ -497,17 +545,16 @@ public class PointerTracker {
mKeyTimerHandler.cancelKeyTimers();
mDrawingProxy.cancelShowKeyPreview(this);
mIsInSlidingKeyInput = false;
final PointerTrackerKeyState keyState = mKeyState;
final int keyX, keyY;
if (isMajorEnoughMoveToBeOnNewKey(x, y, keyState.onMoveKey(x, y))) {
if (isMajorEnoughMoveToBeOnNewKey(x, y, onMoveKey(x, y))) {
keyX = x;
keyY = y;
} else {
// Use previous fixed key coordinates.
keyX = keyState.getKeyX();
keyY = keyState.getKeyY();
keyX = mKeyX;
keyY = mKeyY;
}
final int keyIndex = keyState.onUpKey(keyX, keyY, eventTime);
final int keyIndex = onUpKey(keyX, keyY, eventTime);
dismissKeyPreview();
if (updateReleasedKeyGraphics)
setReleasedKeyGraphics(keyIndex);
@ -558,7 +605,7 @@ public class PointerTracker {
mKeyTimerHandler.cancelKeyTimers();
mDrawingProxy.cancelShowKeyPreview(this);
dismissKeyPreview();
setReleasedKeyGraphics(mKeyState.getKeyIndex());
setReleasedKeyGraphics(mKeyIndex);
mIsInSlidingKeyInput = false;
}
@ -581,22 +628,10 @@ public class PointerTracker {
}
}
public int getLastX() {
return mKeyState.getLastX();
}
public int getLastY() {
return mKeyState.getLastY();
}
public long getDownTime() {
return mKeyState.getDownTime();
}
private boolean isMajorEnoughMoveToBeOnNewKey(int x, int y, int newKey) {
if (mKeys == null || mKeyDetector == null)
throw new NullPointerException("keyboard and/or key detector not set");
int curKey = mKeyState.getKeyIndex();
int curKey = mKeyIndex;
if (newKey == curKey) {
return false;
} else if (isValidKeyIndex(curKey)) {

107
java/src/com/android/inputmethod/keyboard/internal/PointerTrackerKeyState.java
View file

@ -1,107 +0,0 @@
/*
* Copyright (C) 2010 The Android Open Source Project
*
* 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.keyboard.internal;
import com.android.inputmethod.keyboard.KeyDetector;
import com.android.inputmethod.keyboard.PointerTracker;
/**
* This class keeps track of a key index and a position where {@link PointerTracker} is.
*/
public class PointerTrackerKeyState {
private KeyDetector mKeyDetector;
// The position and time at which first down event occurred.
private long mDownTime;
private long mUpTime;
// The current key index where this pointer is.
private int mKeyIndex = KeyDetector.NOT_A_KEY;
// The position where mKeyIndex was recognized for the first time.
private int mKeyX;
private int mKeyY;
// Last pointer position.
private int mLastX;
private int mLastY;
public PointerTrackerKeyState(KeyDetector keyDetector) {
if (keyDetector == null)
throw new NullPointerException();
mKeyDetector = keyDetector;
}
public void setKeyDetector(KeyDetector keyDetector) {
mKeyDetector = keyDetector;
}
public int getKeyIndex() {
return mKeyIndex;
}
public int getKeyX() {
return mKeyX;
}
public int getKeyY() {
return mKeyY;
}
public long getDownTime() {
return mDownTime;
}
public long getUpTime() {
return mUpTime;
}
public int getLastX() {
return mLastX;
}
public int getLastY() {
return mLastY;
}
public int onDownKey(int x, int y, long eventTime) {
mDownTime = eventTime;
return onMoveToNewKey(onMoveKeyInternal(x, y), x, y);
}
private int onMoveKeyInternal(int x, int y) {
mLastX = x;
mLastY = y;
return mKeyDetector.getKeyIndexAndNearbyCodes(x, y, null);
}
public int onMoveKey(int x, int y) {
return onMoveKeyInternal(x, y);
}
public int onMoveToNewKey(int keyIndex, int x, int y) {
mKeyIndex = keyIndex;
mKeyX = x;
mKeyY = y;
return keyIndex;
}
public int onUpKey(int x, int y, long eventTime) {
mUpTime = eventTime;
mKeyIndex = KeyDetector.NOT_A_KEY;
return onMoveKeyInternal(x, y);
}
}