Get rid of usage of key index

Change-Id: I7596ce3ae52fde436d06c2dd95ae873c7aa5ef7f
This commit is contained in:
Tadashi G. Takaoka 2011-11-29 16:56:27 +09:00
parent 55042ff977
commit e22baaadd3
9 changed files with 172 additions and 196 deletions

View file

@ -29,7 +29,6 @@ import android.view.inputmethod.EditorInfo;
import com.android.inputmethod.compat.AccessibilityEventCompatUtils;
import com.android.inputmethod.compat.MotionEventCompatUtils;
import com.android.inputmethod.keyboard.Key;
import com.android.inputmethod.keyboard.KeyDetector;
import com.android.inputmethod.keyboard.LatinKeyboardView;
import com.android.inputmethod.keyboard.PointerTracker;
@ -42,7 +41,7 @@ public class AccessibleKeyboardViewProxy {
private LatinKeyboardView mView;
private AccessibleKeyboardActionListener mListener;
private int mLastHoverKeyIndex = KeyDetector.NOT_A_KEY;
private Key mLastHoverKey = null;
public static void init(InputMethodService inputMethod, SharedPreferences prefs) {
sInstance.initInternal(inputMethod, prefs);
@ -81,7 +80,7 @@ public class AccessibleKeyboardViewProxy {
switch (event.getEventType()) {
case AccessibilityEventCompatUtils.TYPE_VIEW_HOVER_ENTER:
final Key key = tracker.getKey(mLastHoverKeyIndex);
final Key key = mLastHoverKey;
if (key == null)
break;
@ -130,12 +129,12 @@ public class AccessibleKeyboardViewProxy {
switch (event.getAction()) {
case MotionEventCompatUtils.ACTION_HOVER_ENTER:
case MotionEventCompatUtils.ACTION_HOVER_MOVE:
final int keyIndex = tracker.getKeyIndexOn(x, y);
final Key key = tracker.getKeyOn(x, y);
if (keyIndex != mLastHoverKeyIndex) {
fireKeyHoverEvent(tracker, mLastHoverKeyIndex, false);
mLastHoverKeyIndex = keyIndex;
fireKeyHoverEvent(tracker, mLastHoverKeyIndex, true);
if (key != mLastHoverKey) {
fireKeyHoverEvent(tracker, mLastHoverKey, false);
mLastHoverKey = key;
fireKeyHoverEvent(tracker, mLastHoverKey, true);
}
return true;
@ -144,7 +143,7 @@ public class AccessibleKeyboardViewProxy {
return false;
}
private void fireKeyHoverEvent(PointerTracker tracker, int keyIndex, boolean entering) {
private void fireKeyHoverEvent(PointerTracker tracker, Key key, boolean entering) {
if (mListener == null) {
Log.e(TAG, "No accessible keyboard action listener set!");
return;
@ -155,11 +154,6 @@ public class AccessibleKeyboardViewProxy {
return;
}
if (keyIndex == KeyDetector.NOT_A_KEY)
return;
final Key key = tracker.getKey(keyIndex);
if (key == null)
return;

View file

@ -318,6 +318,14 @@ public class Key {
return false;
}
public boolean isShift() {
return mCode == Keyboard.CODE_SHIFT;
}
public boolean isModifier() {
return mCode == Keyboard.CODE_SHIFT || mCode == Keyboard.CODE_SWITCH_ALPHA_SYMBOL;
}
public boolean isRepeatable() {
return (mActionFlags & ACTION_FLAGS_IS_REPEATABLE) != 0;
}

View file

@ -26,7 +26,7 @@ public class KeyDetector {
private static final boolean DEBUG = false;
public static final int NOT_A_CODE = -1;
public static final int NOT_A_KEY = -1;
private static final int NOT_A_KEY = -1;
private final int mKeyHysteresisDistanceSquared;
@ -96,22 +96,22 @@ public class KeyDetector {
}
/**
* Computes maximum size of the array that can contain all nearby key indices returned by
* {@link #getKeyIndexAndNearbyCodes}.
* Computes maximum size of the array that can contain all nearby key codes returned by
* {@link #getKeyAndNearbyCodes}.
*
* @return Returns maximum size of the array that can contain all nearby key indices returned
* by {@link #getKeyIndexAndNearbyCodes}.
* @return Returns maximum size of the array that can contain all nearby key codes returned
* by {@link #getKeyAndNearbyCodes}.
*/
protected int getMaxNearbyKeys() {
return MAX_NEARBY_KEYS;
}
/**
* Allocates array that can hold all key indices returned by {@link #getKeyIndexAndNearbyCodes}
* Allocates array that can hold all key codes returned by {@link #getKeyAndNearbyCodes}
* method. The maximum size of the array should be computed by {@link #getMaxNearbyKeys}.
*
* @return Allocates and returns an array that can hold all key indices returned by
* {@link #getKeyIndexAndNearbyCodes} method. All elements in the returned array are
* @return Allocates and returns an array that can hold all key codes returned by
* {@link #getKeyAndNearbyCodes} method. All elements in the returned array are
* initialized by {@link #NOT_A_CODE} value.
*/
public int[] newCodeArray() {
@ -180,31 +180,32 @@ public class KeyDetector {
}
/**
* Finds all possible nearby key indices around a touch event point and returns the nearest key
* index. The algorithm to determine the nearby keys depends on the threshold set by
* Finds all possible nearby key codes around a touch event point and returns the nearest key.
* The algorithm to determine the nearby keys depends on the threshold set by
* {@link #setProximityThreshold(int)} and the mode set by
* {@link #setProximityCorrectionEnabled(boolean)}.
*
* @param x The x-coordinate of a touch point
* @param y The y-coordinate of a touch point
* @param allCodes All nearby key code except functional key are returned in this array
* @return The nearest key index
* @param allCodes All nearby key codes except functional key are returned in this array
* @return The nearest key
*/
public int getKeyIndexAndNearbyCodes(int x, int y, final int[] allCodes) {
public Key getKeyAndNearbyCodes(int x, int y, final int[] allCodes) {
final List<Key> keys = getKeyboard().mKeys;
final int touchX = getTouchX(x);
final int touchY = getTouchY(y);
initializeNearbyKeys();
int primaryIndex = NOT_A_KEY;
Key primaryKey = null;
for (final int index : mKeyboard.getNearestKeys(touchX, touchY)) {
final Key key = keys.get(index);
final boolean isOnKey = key.isOnKey(touchX, touchY);
final int distance = key.squaredDistanceToEdge(touchX, touchY);
if (isOnKey || (mProximityCorrectOn && distance < mProximityThresholdSquare)) {
final int insertedPosition = sortNearbyKeys(index, distance, isOnKey);
if (insertedPosition == 0 && isOnKey)
primaryIndex = index;
if (insertedPosition == 0 && isOnKey) {
primaryKey = key;
}
}
}
@ -213,11 +214,11 @@ public class KeyDetector {
if (DEBUG) {
Log.d(TAG, "x=" + x + " y=" + y
+ " primary="
+ (primaryIndex == NOT_A_KEY ? "none" : keys.get(primaryIndex).mCode)
+ (primaryKey == null ? "none" : primaryKey.mCode)
+ " codes=" + Arrays.toString(allCodes));
}
}
return primaryIndex;
return primaryKey;
}
}

View file

@ -148,7 +148,7 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
final PointerTracker tracker = (PointerTracker) msg.obj;
switch (msg.what) {
case MSG_SHOW_KEY_PREVIEW:
keyboardView.showKey(msg.arg1, tracker);
keyboardView.showKey(tracker);
break;
case MSG_DISMISS_KEY_PREVIEW:
tracker.getKeyPreviewText().setVisibility(View.INVISIBLE);
@ -156,16 +156,15 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
}
}
public void showKeyPreview(long delay, int keyIndex, PointerTracker tracker) {
public void showKeyPreview(long delay, PointerTracker tracker) {
removeMessages(MSG_SHOW_KEY_PREVIEW);
final KeyboardView keyboardView = getOuterInstance();
if (keyboardView == null) return;
if (tracker.getKeyPreviewText().getVisibility() == VISIBLE || delay == 0) {
// Show right away, if it's already visible and finger is moving around
keyboardView.showKey(keyIndex, tracker);
keyboardView.showKey(tracker);
} else {
sendMessageDelayed(
obtainMessage(MSG_SHOW_KEY_PREVIEW, keyIndex, 0, tracker), delay);
sendMessageDelayed(obtainMessage(MSG_SHOW_KEY_PREVIEW, tracker), delay);
}
}
@ -830,9 +829,9 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
}
@Override
public void showKeyPreview(int keyIndex, PointerTracker tracker) {
public void showKeyPreview(PointerTracker tracker) {
if (mShowKeyPreviewPopup) {
mDrawingHandler.showKeyPreview(mDelayBeforePreview, keyIndex, tracker);
mDrawingHandler.showKeyPreview(mDelayBeforePreview, tracker);
}
}
@ -858,7 +857,7 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
keyPreview, FrameLayoutCompatUtils.newLayoutParam(mPreviewPlacer, 0, 0));
}
private void showKey(final int keyIndex, PointerTracker tracker) {
private void showKey(PointerTracker tracker) {
final TextView previewText = tracker.getKeyPreviewText();
// If the key preview has no parent view yet, add it to the ViewGroup which can place
// key preview absolutely in SoftInputWindow.
@ -867,8 +866,8 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
}
mDrawingHandler.cancelDismissKeyPreview(tracker);
final Key key = tracker.getKey(keyIndex);
// If keyIndex is invalid or IME is already closed, we must not show key preview.
final Key key = tracker.getKey();
// If key is invalid or IME is already closed, we must not show key preview.
// Trying to show key preview while root window is closed causes
// WindowManager.BadTokenException.
if (key == null)

View file

@ -74,7 +74,7 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
private final boolean mHasDistinctMultitouch;
private int mOldPointerCount = 1;
private int mOldKeyIndex;
private Key mOldKey;
private final boolean mConfigShowMiniKeyboardAtTouchedPoint;
protected KeyDetector mKeyDetector;
@ -103,19 +103,19 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
final PointerTracker tracker = (PointerTracker) msg.obj;
switch (msg.what) {
case MSG_REPEAT_KEY:
tracker.onRepeatKey(msg.arg1);
startKeyRepeatTimer(keyboardView.mKeyRepeatInterval, msg.arg1, tracker);
tracker.onRepeatKey(tracker.getKey());
startKeyRepeatTimer(keyboardView.mKeyRepeatInterval, tracker);
break;
case MSG_LONGPRESS_KEY:
keyboardView.openMiniKeyboardIfRequired(msg.arg1, tracker);
keyboardView.openMiniKeyboardIfRequired(tracker.getKey(), tracker);
break;
}
}
@Override
public void startKeyRepeatTimer(long delay, int keyIndex, PointerTracker tracker) {
public void startKeyRepeatTimer(long delay, PointerTracker tracker) {
mInKeyRepeat = true;
sendMessageDelayed(obtainMessage(MSG_REPEAT_KEY, keyIndex, 0, tracker), delay);
sendMessageDelayed(obtainMessage(MSG_REPEAT_KEY, tracker), delay);
}
public void cancelKeyRepeatTimer() {
@ -128,9 +128,9 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
}
@Override
public void startLongPressTimer(long delay, int keyIndex, PointerTracker tracker) {
public void startLongPressTimer(long delay, PointerTracker tracker) {
cancelLongPressTimer();
sendMessageDelayed(obtainMessage(MSG_LONGPRESS_KEY, keyIndex, 0, tracker), delay);
sendMessageDelayed(obtainMessage(MSG_LONGPRESS_KEY, tracker), delay);
}
@Override
@ -181,8 +181,9 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
final int pointerIndex = firstDown.getActionIndex();
final int id = firstDown.getPointerId(pointerIndex);
final PointerTracker tracker = getPointerTracker(id);
final Key key = tracker.getKeyOn((int)firstDown.getX(), (int)firstDown.getY());
// If the first down event is on shift key.
if (tracker.isOnShiftKey((int) firstDown.getX(), (int) firstDown.getY())) {
if (key != null && key.isShift()) {
mProcessingShiftDoubleTapEvent = true;
return true;
}
@ -199,8 +200,9 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
final int pointerIndex = secondDown.getActionIndex();
final int id = secondDown.getPointerId(pointerIndex);
final PointerTracker tracker = getPointerTracker(id);
final Key key = tracker.getKeyOn((int)secondDown.getX(), (int)secondDown.getY());
// If the second down event is also on shift key.
if (tracker.isOnShiftKey((int) secondDown.getX(), (int) secondDown.getY())) {
if (key != null && key.isShift()) {
// Detected a double tap on shift key. If we are in the ignoring double tap
// mode, it means we have already turned off caps lock in
// {@link KeyboardSwitcher#onReleaseShift} .
@ -326,7 +328,7 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
super.cancelAllMessages();
}
private boolean openMiniKeyboardIfRequired(int keyIndex, PointerTracker tracker) {
private boolean openMiniKeyboardIfRequired(Key parentKey, PointerTracker tracker) {
// Check if we have a popup layout specified first.
if (mMoreKeysLayout == 0) {
return false;
@ -335,7 +337,6 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
// Check if we are already displaying popup panel.
if (mMoreKeysPanel != null)
return false;
final Key parentKey = tracker.getKey(keyIndex);
if (parentKey == null)
return false;
return onLongPress(parentKey, tracker);
@ -546,8 +547,8 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
// Multi-touch to single touch transition.
// Send a down event for the latest pointer if the key is different from the
// previous key.
final int newKeyIndex = tracker.getKeyIndexOn(x, y);
if (mOldKeyIndex != newKeyIndex) {
final Key newKey = tracker.getKeyOn(x, y);
if (mOldKey != newKey) {
tracker.onDownEvent(x, y, eventTime, this);
if (action == MotionEvent.ACTION_UP)
tracker.onUpEvent(x, y, eventTime);
@ -557,7 +558,7 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
// Send an up event for the last pointer.
final int lastX = tracker.getLastX();
final int lastY = tracker.getLastY();
mOldKeyIndex = tracker.getKeyIndexOn(lastX, lastY);
mOldKey = tracker.getKeyOn(lastX, lastY);
tracker.onUpEvent(lastX, lastY, eventTime);
} else if (pointerCount == 1 && oldPointerCount == 1) {
tracker.processMotionEvent(action, x, y, eventTime, this);

View file

@ -16,8 +16,6 @@
package com.android.inputmethod.keyboard;
import java.util.List;
public class MoreKeysDetector extends KeyDetector {
private final int mSlideAllowanceSquare;
private final int mSlideAllowanceSquareTop;
@ -41,24 +39,23 @@ public class MoreKeysDetector extends KeyDetector {
}
@Override
public int getKeyIndexAndNearbyCodes(int x, int y, final int[] allCodes) {
final List<Key> keys = getKeyboard().mKeys;
public Key getKeyAndNearbyCodes(int x, int y, final int[] allCodes) {
final int touchX = getTouchX(x);
final int touchY = getTouchY(y);
int nearestIndex = NOT_A_KEY;
Key nearestKey = null;
int nearestDist = (y < 0) ? mSlideAllowanceSquareTop : mSlideAllowanceSquare;
final int keyCount = keys.size();
for (int index = 0; index < keyCount; index++) {
final int dist = keys.get(index).squaredDistanceToEdge(touchX, touchY);
for (final Key key : getKeyboard().mKeys) {
final int dist = key.squaredDistanceToEdge(touchX, touchY);
if (dist < nearestDist) {
nearestIndex = index;
nearestKey = key;
nearestDist = dist;
}
}
if (allCodes != null && nearestIndex != NOT_A_KEY)
allCodes[0] = keys.get(nearestIndex).mCode;
return nearestIndex;
if (allCodes != null && nearestKey != null) {
allCodes[0] = nearestKey.mCode;
}
return nearestKey;
}
}
}

View file

@ -68,7 +68,7 @@ public class PointerTracker {
public interface DrawingProxy extends MoreKeysPanel.Controller {
public void invalidateKey(Key key);
public TextView inflateKeyPreviewText();
public void showKeyPreview(int keyIndex, PointerTracker tracker);
public void showKeyPreview(PointerTracker tracker);
public void cancelShowKeyPreview(PointerTracker tracker);
public void dismissKeyPreview(PointerTracker tracker);
}
@ -76,8 +76,8 @@ public class PointerTracker {
public interface TimerProxy {
public void startKeyTypedTimer(long delay);
public boolean isTyping();
public void startKeyRepeatTimer(long delay, int keyIndex, PointerTracker tracker);
public void startLongPressTimer(long delay, int keyIndex, PointerTracker tracker);
public void startKeyRepeatTimer(long delay, PointerTracker tracker);
public void startLongPressTimer(long delay, PointerTracker tracker);
public void cancelLongPressTimer();
public void cancelKeyTimers();
@ -87,9 +87,9 @@ public class PointerTracker {
@Override
public boolean isTyping() { return false; }
@Override
public void startKeyRepeatTimer(long delay, int keyIndex, PointerTracker tracker) {}
public void startKeyRepeatTimer(long delay, PointerTracker tracker) {}
@Override
public void startLongPressTimer(long delay, int keyIndex, PointerTracker tracker) {}
public void startLongPressTimer(long delay, PointerTracker tracker) {}
@Override
public void cancelLongPressTimer() {}
@Override
@ -127,9 +127,9 @@ public class PointerTracker {
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.
// The current key where this pointer is.
private Key mCurrentKey = null;
// The position where the current key was recognized for the first time.
private int mKeyX;
private int mKeyY;
@ -217,7 +217,7 @@ public class PointerTracker {
public static void dismissAllKeyPreviews() {
for (final PointerTracker tracker : sTrackers) {
tracker.setReleasedKeyGraphics(tracker.mKeyIndex);
tracker.setReleasedKeyGraphics(tracker.mCurrentKey);
}
}
@ -238,7 +238,7 @@ public class PointerTracker {
// Returns true if keyboard has been changed by this callback.
private boolean callListenerOnPressAndCheckKeyboardLayoutChange(Key key, boolean withSliding) {
final boolean ignoreModifierKey = mIgnoreModifierKey && isModifierCode(key.mCode);
final boolean ignoreModifierKey = mIgnoreModifierKey && key.isModifier();
if (DEBUG_LISTENER)
Log.d(TAG, "onPress : " + keyCodePrintable(key.mCode) + " sliding=" + withSliding
+ " ignoreModifier=" + ignoreModifierKey);
@ -257,13 +257,14 @@ public class PointerTracker {
// Note that we need primaryCode argument because the keyboard may in shifted state and the
// primaryCode is different from {@link Key#mCode}.
private void callListenerOnCodeInput(Key key, int primaryCode, int[] keyCodes, int x, int y) {
final boolean ignoreModifierKey = mIgnoreModifierKey && isModifierCode(key.mCode);
final boolean ignoreModifierKey = mIgnoreModifierKey && key.isModifier();
if (DEBUG_LISTENER)
Log.d(TAG, "onCodeInput: " + keyCodePrintable(primaryCode)
+ " codes="+ Arrays.toString(keyCodes) + " x=" + x + " y=" + y
+ " ignoreModifier=" + ignoreModifierKey);
if (ignoreModifierKey)
if (ignoreModifierKey) {
return;
}
if (key.isEnabled()) {
mListener.onCodeInput(primaryCode, keyCodes, x, y);
}
@ -280,12 +281,13 @@ public class PointerTracker {
// Note that we need primaryCode argument because the keyboard may in shifted state and the
// primaryCode is different from {@link Key#mCode}.
private void callListenerOnRelease(Key key, int primaryCode, boolean withSliding) {
final boolean ignoreModifierKey = mIgnoreModifierKey && isModifierCode(key.mCode);
final boolean ignoreModifierKey = mIgnoreModifierKey && key.isModifier();
if (DEBUG_LISTENER)
Log.d(TAG, "onRelease : " + keyCodePrintable(primaryCode) + " sliding="
+ withSliding + " ignoreModifier=" + ignoreModifierKey);
if (ignoreModifierKey)
if (ignoreModifierKey) {
return;
}
if (key.isEnabled()) {
mListener.onRelease(primaryCode, withSliding);
}
@ -309,55 +311,30 @@ public class PointerTracker {
return mIsInSlidingKeyInput;
}
private boolean isValidKeyIndex(int keyIndex) {
return keyIndex >= 0 && keyIndex < mKeys.size();
}
public Key getKey(int keyIndex) {
return isValidKeyIndex(keyIndex) ? mKeys.get(keyIndex) : null;
}
private static boolean isModifierCode(int primaryCode) {
return primaryCode == Keyboard.CODE_SHIFT
|| primaryCode == Keyboard.CODE_SWITCH_ALPHA_SYMBOL;
}
private boolean isModifierInternal(int keyIndex) {
final Key key = getKey(keyIndex);
return key == null ? false : isModifierCode(key.mCode);
public Key getKey() {
return mCurrentKey;
}
public boolean isModifier() {
return isModifierInternal(mKeyIndex);
return mCurrentKey != null && mCurrentKey.isModifier();
}
private boolean isOnModifierKey(int x, int y) {
return isModifierInternal(mKeyDetector.getKeyIndexAndNearbyCodes(x, y, null));
public Key getKeyOn(int x, int y) {
return mKeyDetector.getKeyAndNearbyCodes(x, y, null);
}
public boolean isOnShiftKey(int x, int y) {
final Key key = getKey(mKeyDetector.getKeyIndexAndNearbyCodes(x, y, null));
return key != null && key.mCode == Keyboard.CODE_SHIFT;
}
public int getKeyIndexOn(int x, int y) {
return mKeyDetector.getKeyIndexAndNearbyCodes(x, y, null);
}
private void setReleasedKeyGraphics(int keyIndex) {
private void setReleasedKeyGraphics(Key key) {
mDrawingProxy.dismissKeyPreview(this);
final Key key = getKey(keyIndex);
if (key != null && key.isEnabled()) {
key.onReleased();
mDrawingProxy.invalidateKey(key);
}
}
private void setPressedKeyGraphics(int keyIndex) {
final Key key = getKey(keyIndex);
private void setPressedKeyGraphics(Key key) {
if (key != null && key.isEnabled()) {
if (!key.noKeyPreview()) {
mDrawingProxy.showKeyPreview(keyIndex, this);
mDrawingProxy.showKeyPreview(this);
}
key.onPressed();
mDrawingProxy.invalidateKey(key);
@ -376,31 +353,31 @@ public class PointerTracker {
return mDownTime;
}
private int onDownKey(int x, int y, long eventTime) {
private Key onDownKey(int x, int y, long eventTime) {
mDownTime = eventTime;
return onMoveToNewKey(onMoveKeyInternal(x, y), x, y);
}
private int onMoveKeyInternal(int x, int y) {
private Key onMoveKeyInternal(int x, int y) {
mLastX = x;
mLastY = y;
return mKeyDetector.getKeyIndexAndNearbyCodes(x, y, null);
return mKeyDetector.getKeyAndNearbyCodes(x, y, null);
}
private int onMoveKey(int x, int y) {
private Key onMoveKey(int x, int y) {
return onMoveKeyInternal(x, y);
}
private int onMoveToNewKey(int keyIndex, int x, int y) {
mKeyIndex = keyIndex;
private Key onMoveToNewKey(Key newKey, int x, int y) {
mCurrentKey = newKey;
mKeyX = x;
mKeyY = y;
return keyIndex;
return newKey;
}
private int onUpKey(int x, int y, long eventTime) {
private Key onUpKey(int x, int y, long eventTime) {
mUpTime = eventTime;
mKeyIndex = KeyDetector.NOT_A_KEY;
mCurrentKey = null;
return onMoveKeyInternal(x, y);
}
@ -449,7 +426,8 @@ public class PointerTracker {
final PointerTrackerQueue queue = sPointerTrackerQueue;
if (queue != null) {
if (isOnModifierKey(x, y)) {
final Key key = getKeyOn(x, y);
if (key != null && key.isModifier()) {
// Before processing a down event of modifier key, all pointers already being
// tracked should be released.
queue.releaseAllPointers(eventTime);
@ -460,32 +438,34 @@ public class PointerTracker {
}
private void onDownEventInternal(int x, int y, long eventTime) {
int keyIndex = onDownKey(x, y, eventTime);
Key key = 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's KeyDetector always allows sliding input.
mIsAllowedSlidingKeyInput = sConfigSlidingKeyInputEnabled || isModifierInternal(keyIndex)
mIsAllowedSlidingKeyInput = sConfigSlidingKeyInputEnabled || key.isModifier()
|| mKeyDetector.alwaysAllowsSlidingInput();
mKeyboardLayoutHasBeenChanged = false;
mKeyAlreadyProcessed = false;
mIsRepeatableKey = false;
mIsInSlidingKeyInput = false;
mIgnoreModifierKey = false;
if (isValidKeyIndex(keyIndex)) {
if (key != null) {
// This onPress call may have changed keyboard layout. Those cases are detected at
// {@link #setKeyboard}. In those cases, we should update keyIndex according to the new
// {@link #setKeyboard}. In those cases, we should update key according to the new
// keyboard layout.
if (callListenerOnPressAndCheckKeyboardLayoutChange(getKey(keyIndex), false))
keyIndex = onDownKey(x, y, eventTime);
if (callListenerOnPressAndCheckKeyboardLayoutChange(key, false)) {
key = onDownKey(x, y, eventTime);
}
startRepeatKey(keyIndex);
startLongPressTimer(keyIndex);
setPressedKeyGraphics(keyIndex);
startRepeatKey(key);
startLongPressTimer(key);
setPressedKeyGraphics(key);
}
}
private void startSlidingKeyInput(Key key) {
if (!mIsInSlidingKeyInput)
mIgnoreModifierKey = isModifierCode(key.mCode);
if (!mIsInSlidingKeyInput) {
mIgnoreModifierKey = key.isModifier();
}
mIsInSlidingKeyInput = true;
}
@ -497,39 +477,40 @@ public class PointerTracker {
final int lastX = mLastX;
final int lastY = mLastY;
final int oldKeyIndex = mKeyIndex;
final Key oldKey = getKey(oldKeyIndex);
int keyIndex = onMoveKey(x, y);
if (isValidKeyIndex(keyIndex)) {
final Key oldKey = mCurrentKey;
Key key = onMoveKey(x, y);
if (key != null) {
if (oldKey == null) {
// The pointer has been slid in to the new key, but the finger was not on any keys.
// In this case, we must call onPress() to notify that the new key is being pressed.
// This onPress call may have changed keyboard layout. Those cases are detected at
// {@link #setKeyboard}. In those cases, we should update keyIndex according to the
// {@link #setKeyboard}. In those cases, we should update key according to the
// new keyboard layout.
if (callListenerOnPressAndCheckKeyboardLayoutChange(getKey(keyIndex), true))
keyIndex = onMoveKey(x, y);
onMoveToNewKey(keyIndex, x, y);
startLongPressTimer(keyIndex);
setPressedKeyGraphics(keyIndex);
} else if (isMajorEnoughMoveToBeOnNewKey(x, y, keyIndex)) {
if (callListenerOnPressAndCheckKeyboardLayoutChange(key, true)) {
key = onMoveKey(x, y);
}
onMoveToNewKey(key, x, y);
startLongPressTimer(key);
setPressedKeyGraphics(key);
} else if (isMajorEnoughMoveToBeOnNewKey(x, y, key)) {
// The pointer has been slid in to the new key from the previous key, we must call
// onRelease() first to notify that the previous key has been released, then call
// onPress() to notify that the new key is being pressed.
setReleasedKeyGraphics(oldKeyIndex);
setReleasedKeyGraphics(oldKey);
callListenerOnRelease(oldKey, oldKey.mCode, true);
startSlidingKeyInput(oldKey);
mTimerProxy.cancelKeyTimers();
startRepeatKey(keyIndex);
startRepeatKey(key);
if (mIsAllowedSlidingKeyInput) {
// This onPress call may have changed keyboard layout. Those cases are detected
// at {@link #setKeyboard}. In those cases, we should update keyIndex according
// at {@link #setKeyboard}. In those cases, we should update key according
// to the new keyboard layout.
if (callListenerOnPressAndCheckKeyboardLayoutChange(getKey(keyIndex), true))
keyIndex = onMoveKey(x, y);
onMoveToNewKey(keyIndex, x, y);
startLongPressTimer(keyIndex);
setPressedKeyGraphics(keyIndex);
if (callListenerOnPressAndCheckKeyboardLayoutChange(key, true)) {
key = onMoveKey(x, y);
}
onMoveToNewKey(key, x, y);
startLongPressTimer(key);
setPressedKeyGraphics(key);
} else {
// HACK: On some devices, quick successive touches may be translated to sudden
// move by touch panel firmware. This hack detects the case and translates the
@ -545,20 +526,20 @@ public class PointerTracker {
onDownEventInternal(x, y, eventTime);
} else {
mKeyAlreadyProcessed = true;
setReleasedKeyGraphics(oldKeyIndex);
setReleasedKeyGraphics(oldKey);
}
}
}
} else {
if (oldKey != null && isMajorEnoughMoveToBeOnNewKey(x, y, keyIndex)) {
if (oldKey != null && isMajorEnoughMoveToBeOnNewKey(x, y, key)) {
// The pointer has been slid out from the previous key, we must call onRelease() to
// notify that the previous key has been released.
setReleasedKeyGraphics(oldKeyIndex);
setReleasedKeyGraphics(oldKey);
callListenerOnRelease(oldKey, oldKey.mCode, true);
startSlidingKeyInput(oldKey);
mTimerProxy.cancelLongPressTimer();
if (mIsAllowedSlidingKeyInput) {
onMoveToNewKey(keyIndex, x, y);
onMoveToNewKey(key, x, y);
} else {
mKeyAlreadyProcessed = true;
}
@ -572,7 +553,7 @@ public class PointerTracker {
final PointerTrackerQueue queue = sPointerTrackerQueue;
if (queue != null) {
if (isModifier()) {
if (mCurrentKey != null && mCurrentKey.isModifier()) {
// Before processing an up event of modifier key, all pointers already being
// tracked should be released.
queue.releaseAllPointersExcept(this, eventTime);
@ -607,8 +588,8 @@ public class PointerTracker {
keyX = mKeyX;
keyY = mKeyY;
}
final int keyIndex = onUpKey(keyX, keyY, eventTime);
setReleasedKeyGraphics(keyIndex);
final Key key = onUpKey(keyX, keyY, eventTime);
setReleasedKeyGraphics(key);
if (mIsShowingMoreKeysPanel) {
mDrawingProxy.dismissMoreKeysPanel();
mIsShowingMoreKeysPanel = false;
@ -616,7 +597,7 @@ public class PointerTracker {
if (mKeyAlreadyProcessed)
return;
if (!mIsRepeatableKey) {
detectAndSendKey(keyIndex, keyX, keyY);
detectAndSendKey(key, keyX, keyY);
}
}
@ -628,7 +609,7 @@ public class PointerTracker {
public void onLongPressed() {
mKeyAlreadyProcessed = true;
setReleasedKeyGraphics(mKeyIndex);
setReleasedKeyGraphics(mCurrentKey);
final PointerTrackerQueue queue = sPointerTrackerQueue;
if (queue != null) {
queue.remove(this);
@ -650,7 +631,7 @@ public class PointerTracker {
private void onCancelEventInternal() {
mTimerProxy.cancelKeyTimers();
mDrawingProxy.cancelShowKeyPreview(this);
setReleasedKeyGraphics(mKeyIndex);
setReleasedKeyGraphics(mCurrentKey);
mIsInSlidingKeyInput = false;
if (mIsShowingMoreKeysPanel) {
mDrawingProxy.dismissMoreKeysPanel();
@ -658,48 +639,45 @@ public class PointerTracker {
}
}
private void startRepeatKey(int keyIndex) {
final Key key = getKey(keyIndex);
private void startRepeatKey(Key key) {
if (key != null && key.isRepeatable()) {
onRepeatKey(keyIndex);
mTimerProxy.startKeyRepeatTimer(sDelayBeforeKeyRepeatStart, keyIndex, this);
onRepeatKey(key);
mTimerProxy.startKeyRepeatTimer(sDelayBeforeKeyRepeatStart, this);
mIsRepeatableKey = true;
} else {
mIsRepeatableKey = false;
}
}
public void onRepeatKey(int keyIndex) {
Key key = getKey(keyIndex);
public void onRepeatKey(Key key) {
if (key != null) {
detectAndSendKey(keyIndex, key.mX, key.mY);
detectAndSendKey(key, key.mX, key.mY);
}
}
private boolean isMajorEnoughMoveToBeOnNewKey(int x, int y, int newKey) {
private boolean isMajorEnoughMoveToBeOnNewKey(int x, int y, Key newKey) {
if (mKeys == null || mKeyDetector == null)
throw new NullPointerException("keyboard and/or key detector not set");
int curKey = mKeyIndex;
Key curKey = mCurrentKey;
if (newKey == curKey) {
return false;
} else if (isValidKeyIndex(curKey)) {
return mKeys.get(curKey).squaredDistanceToEdge(x, y)
} else if (curKey != null) {
return curKey.squaredDistanceToEdge(x, y)
>= mKeyDetector.getKeyHysteresisDistanceSquared();
} else {
return true;
}
}
private void startLongPressTimer(int keyIndex) {
Key key = getKey(keyIndex);
private void startLongPressTimer(Key key) {
if (key == null) return;
if (key.mCode == Keyboard.CODE_SHIFT) {
if (sLongPressShiftKeyTimeout > 0) {
mTimerProxy.startLongPressTimer(sLongPressShiftKeyTimeout, keyIndex, this);
mTimerProxy.startLongPressTimer(sLongPressShiftKeyTimeout, this);
}
} else if (key.mCode == Keyboard.CODE_SPACE) {
if (sLongPressSpaceKeyTimeout > 0) {
mTimerProxy.startLongPressTimer(sLongPressSpaceKeyTimeout, keyIndex, this);
mTimerProxy.startLongPressTimer(sLongPressSpaceKeyTimeout, this);
}
} else if (key.hasUppercaseLetter() && mKeyboard.isManualTemporaryUpperCase()) {
// We need not start long press timer on the key which has manual temporary upper case
@ -707,14 +685,13 @@ public class PointerTracker {
return;
} else if (sKeyboardSwitcher.isInMomentarySwitchState()) {
// We use longer timeout for sliding finger input started from the symbols mode key.
mTimerProxy.startLongPressTimer(sLongPressKeyTimeout * 3, keyIndex, this);
mTimerProxy.startLongPressTimer(sLongPressKeyTimeout * 3, this);
} else {
mTimerProxy.startLongPressTimer(sLongPressKeyTimeout, keyIndex, this);
mTimerProxy.startLongPressTimer(sLongPressKeyTimeout, this);
}
}
private void detectAndSendKey(int keyIndex, int x, int y) {
final Key key = getKey(keyIndex);
private void detectAndSendKey(Key key, int x, int y) {
if (key == null) {
callListenerOnCancelInput();
return;
@ -731,7 +708,7 @@ public class PointerTracker {
} else {
int code = key.mCode;
final int[] codes = mKeyDetector.newCodeArray();
mKeyDetector.getKeyIndexAndNearbyCodes(x, y, codes);
mKeyDetector.getKeyAndNearbyCodes(x, y, codes);
// If keyboard is in manual temporary upper case state and key has manual temporary
// uppercase letter as key hint letter, alternate character code should be sent.
@ -754,7 +731,7 @@ public class PointerTracker {
callListenerOnCodeInput(key, code, codes, x, y);
}
callListenerOnRelease(key, code, false);
if (!key.ignoreWhileTyping() && !isModifierCode(code)) {
if (!key.ignoreWhileTyping() && !key.isModifier()) {
mTimerProxy.startKeyTypedTimer(sIgnoreSpecialKeyTimeout);
}
}
@ -763,17 +740,17 @@ public class PointerTracker {
private long mPreviousEventTime;
private void printTouchEvent(String title, int x, int y, long eventTime) {
final int keyIndex = mKeyDetector.getKeyIndexAndNearbyCodes(x, y, null);
final Key key = getKey(keyIndex);
final Key key = mKeyDetector.getKeyAndNearbyCodes(x, y, null);
final String code = (key == null) ? "----" : keyCodePrintable(key.mCode);
final long delta = eventTime - mPreviousEventTime;
Log.d(TAG, String.format("%s%s[%d] %4d %4d %5d %3d(%s)", title,
(mKeyAlreadyProcessed ? "-" : " "), mPointerId, x, y, delta, keyIndex, code));
Log.d(TAG, String.format("%s%s[%d] %4d %4d %5d %s", title,
(mKeyAlreadyProcessed ? "-" : " "), mPointerId, x, y, delta, code));
mPreviousEventTime = eventTime;
}
private static String keyCodePrintable(int primaryCode) {
final String modifier = isModifierCode(primaryCode) ? " modifier" : "";
return String.format((primaryCode < 0) ? "%4d" : "0x%02x", primaryCode) + modifier;
if (primaryCode < 0) return String.format("%4d", primaryCode);
if (primaryCode < 0x100) return String.format("\\u%02x", primaryCode);
return String.format("\\u04x", primaryCode);
}
}

View file

@ -152,7 +152,7 @@ public class WordComposer {
final int x = key.mX + key.mWidth / 2;
final int y = key.mY + key.mHeight / 2;
final int[] codes = keyDetector.newCodeArray();
keyDetector.getKeyIndexAndNearbyCodes(x, y, codes);
keyDetector.getKeyAndNearbyCodes(x, y, codes);
add(codePoint, codes, x, y);
return;
}

View file

@ -19,7 +19,6 @@ package com.android.inputmethod.latin;
import android.content.Context;
import android.text.TextUtils;
import com.android.inputmethod.keyboard.Key;
import com.android.inputmethod.keyboard.KeyDetector;
import com.android.inputmethod.keyboard.KeyboardId;
import com.android.inputmethod.keyboard.LatinKeyboard;