diff options
Diffstat (limited to 'java/src/com/android/inputmethod/keyboard/PointerTracker.java')
| -rw-r--r-- | java/src/com/android/inputmethod/keyboard/PointerTracker.java | 475 |
1 files changed, 235 insertions, 240 deletions
diff --git a/java/src/com/android/inputmethod/keyboard/PointerTracker.java b/java/src/com/android/inputmethod/keyboard/PointerTracker.java index 198e06aab..ec9081681 100644 --- a/java/src/com/android/inputmethod/keyboard/PointerTracker.java +++ b/java/src/com/android/inputmethod/keyboard/PointerTracker.java @@ -16,19 +16,15 @@ package com.android.inputmethod.keyboard; -import android.content.Context; -import android.content.res.Resources; +import android.os.SystemClock; import android.util.Log; import android.view.MotionEvent; import android.widget.TextView; import com.android.inputmethod.keyboard.internal.PointerTrackerQueue; import com.android.inputmethod.latin.LatinImeLogger; -import com.android.inputmethod.latin.R; import java.util.ArrayList; -import java.util.Arrays; -import java.util.List; public class PointerTracker { private static final String TAG = PointerTracker.class.getSimpleName(); @@ -67,40 +63,51 @@ 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 cancelShowKeyPreview(PointerTracker tracker); + public void showKeyPreview(PointerTracker tracker); public void dismissKeyPreview(PointerTracker tracker); } public interface TimerProxy { - public void startKeyRepeatTimer(long delay, int keyIndex, PointerTracker tracker); - public void startLongPressTimer(long delay, int keyIndex, PointerTracker tracker); + public void startTypingStateTimer(); + public boolean isTypingState(); + public void startKeyRepeatTimer(PointerTracker tracker); + public void startLongPressTimer(PointerTracker tracker); + public void startLongPressTimer(int code); public void cancelLongPressTimer(); + public void startDoubleTapTimer(); + public void cancelDoubleTapTimer(); + public boolean isInDoubleTapTimeout(); public void cancelKeyTimers(); public static class Adapter implements TimerProxy { @Override - public void startKeyRepeatTimer(long delay, int keyIndex, PointerTracker tracker) {} + public void startTypingStateTimer() {} @Override - public void startLongPressTimer(long delay, int keyIndex, PointerTracker tracker) {} + public boolean isTypingState() { return false; } + @Override + public void startKeyRepeatTimer(PointerTracker tracker) {} + @Override + public void startLongPressTimer(PointerTracker tracker) {} + @Override + public void startLongPressTimer(int code) {} @Override public void cancelLongPressTimer() {} @Override + public void startDoubleTapTimer() {} + @Override + public void cancelDoubleTapTimer() {} + @Override + public boolean isInDoubleTapTimeout() { return false; } + @Override public void cancelKeyTimers() {} } } - private static KeyboardSwitcher sKeyboardSwitcher; - private static boolean sConfigSlidingKeyInputEnabled; - // Timing constants - private static int sDelayBeforeKeyRepeatStart; - private static int sLongPressKeyTimeout; - private static int sLongPressShiftKeyTimeout; - private static int sLongPressSpaceKeyTimeout; - private static int sTouchNoiseThresholdMillis; + // Parameters for pointer handling. + private static LatinKeyboardView.PointerTrackerParams sParams; private static int sTouchNoiseThresholdDistanceSquared; - private static final List<PointerTracker> sTrackers = new ArrayList<PointerTracker>(); + private static final ArrayList<PointerTracker> sTrackers = new ArrayList<PointerTracker>(); private static PointerTrackerQueue sPointerTrackerQueue; public final int mPointerId; @@ -111,7 +118,6 @@ public class PointerTracker { private KeyboardActionListener mListener = EMPTY_LISTENER; private Keyboard mKeyboard; - private List<Key> mKeys; private int mKeyQuarterWidthSquared; private final TextView mKeyPreviewText; @@ -119,9 +125,9 @@ 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; @@ -154,29 +160,24 @@ public class PointerTracker { private static final KeyboardActionListener EMPTY_LISTENER = new KeyboardActionListener.Adapter(); - public static void init(boolean hasDistinctMultitouch, Context context) { + public static void init(boolean hasDistinctMultitouch) { if (hasDistinctMultitouch) { sPointerTrackerQueue = new PointerTrackerQueue(); } else { sPointerTrackerQueue = null; } - final Resources res = context.getResources(); - sConfigSlidingKeyInputEnabled = res.getBoolean(R.bool.config_sliding_key_input_enabled); - sDelayBeforeKeyRepeatStart = res.getInteger(R.integer.config_delay_before_key_repeat_start); - sLongPressKeyTimeout = res.getInteger(R.integer.config_long_press_key_timeout); - sLongPressShiftKeyTimeout = res.getInteger(R.integer.config_long_press_shift_key_timeout); - sLongPressSpaceKeyTimeout = res.getInteger(R.integer.config_long_press_space_key_timeout); - sTouchNoiseThresholdMillis = res.getInteger(R.integer.config_touch_noise_threshold_millis); - final float touchNoiseThresholdDistance = res.getDimension( - R.dimen.config_touch_noise_threshold_distance); + setParameters(LatinKeyboardView.PointerTrackerParams.DEFAULT); + } + + public static void setParameters(LatinKeyboardView.PointerTrackerParams params) { + sParams = params; sTouchNoiseThresholdDistanceSquared = (int)( - touchNoiseThresholdDistance * touchNoiseThresholdDistance); - sKeyboardSwitcher = KeyboardSwitcher.getInstance(); + params.mTouchNoiseThresholdDistance * params.mTouchNoiseThresholdDistance); } public static PointerTracker getPointerTracker(final int id, KeyEventHandler handler) { - final List<PointerTracker> trackers = sTrackers; + final ArrayList<PointerTracker> trackers = sTrackers; // Create pointer trackers until we can get 'id+1'-th tracker, if needed. for (int i = trackers.size(); i <= id; i++) { @@ -207,7 +208,7 @@ public class PointerTracker { public static void dismissAllKeyPreviews() { for (final PointerTracker tracker : sTrackers) { - tracker.setReleasedKeyGraphics(tracker.mKeyIndex); + tracker.setReleasedKeyGraphics(tracker.mCurrentKey); } } @@ -227,15 +228,18 @@ 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); - if (DEBUG_LISTENER) - Log.d(TAG, "onPress : " + keyCodePrintable(key.mCode) + " sliding=" + withSliding - + " ignoreModifier=" + ignoreModifierKey); - if (ignoreModifierKey) + private boolean callListenerOnPressAndCheckKeyboardLayoutChange(Key key) { + final boolean ignoreModifierKey = mIgnoreModifierKey && key.isModifier(); + if (DEBUG_LISTENER) { + Log.d(TAG, "onPress : " + KeyDetector.printableCode(key) + + " ignoreModifier=" + ignoreModifierKey + + " enabled=" + key.isEnabled()); + } + if (ignoreModifierKey) { return false; + } if (key.isEnabled()) { - mListener.onPress(key.mCode, withSliding); + mListener.onPressKey(key.mCode); final boolean keyboardLayoutHasBeenChanged = mKeyboardLayoutHasBeenChanged; mKeyboardLayoutHasBeenChanged = false; return keyboardLayoutHasBeenChanged; @@ -245,36 +249,47 @@ 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); - if (DEBUG_LISTENER) - Log.d(TAG, "onCodeInput: " + keyCodePrintable(primaryCode) - + " codes="+ Arrays.toString(keyCodes) + " x=" + x + " y=" + y - + " ignoreModifier=" + ignoreModifierKey); - if (ignoreModifierKey) + private void callListenerOnCodeInput(Key key, int primaryCode, int x, int y) { + final boolean ignoreModifierKey = mIgnoreModifierKey && key.isModifier(); + final boolean altersCode = key.altCodeWhileTyping() && mTimerProxy.isTypingState(); + final int code = altersCode ? key.mAltCode : primaryCode; + if (DEBUG_LISTENER) { + Log.d(TAG, "onCodeInput: " + Keyboard.printableCode(code) + " text=" + key.mOutputText + + " x=" + x + " y=" + y + + " ignoreModifier=" + ignoreModifierKey + " altersCode=" + altersCode + + " enabled=" + key.isEnabled()); + } + if (ignoreModifierKey) { return; - if (key.isEnabled()) - mListener.onCodeInput(primaryCode, keyCodes, x, y); - } - - private void callListenerOnTextInput(Key key) { - if (DEBUG_LISTENER) - Log.d(TAG, "onTextInput: text=" + key.mOutputText); - if (key.isEnabled()) - mListener.onTextInput(key.mOutputText); + } + // Even if the key is disabled, it should respond if it is in the altCodeWhileTyping state. + if (key.isEnabled() || altersCode) { + if (code == Keyboard.CODE_OUTPUT_TEXT) { + mListener.onTextInput(key.mOutputText); + } else if (code != Keyboard.CODE_UNSPECIFIED) { + mListener.onCodeInput(code, x, y); + } + if (!key.altCodeWhileTyping() && !key.isModifier()) { + mTimerProxy.startTypingStateTimer(); + } + } } // 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); - if (DEBUG_LISTENER) - Log.d(TAG, "onRelease : " + keyCodePrintable(primaryCode) + " sliding=" - + withSliding + " ignoreModifier=" + ignoreModifierKey); - if (ignoreModifierKey) + final boolean ignoreModifierKey = mIgnoreModifierKey && key.isModifier(); + if (DEBUG_LISTENER) { + Log.d(TAG, "onRelease : " + Keyboard.printableCode(primaryCode) + + " sliding=" + withSliding + " ignoreModifier=" + ignoreModifierKey + + " enabled="+ key.isEnabled()); + } + if (ignoreModifierKey) { return; - if (key.isEnabled()) - mListener.onRelease(primaryCode, withSliding); + } + if (key.isEnabled()) { + mListener.onReleaseKey(primaryCode, withSliding); + } } private void callListenerOnCancelInput() { @@ -286,7 +301,6 @@ public class PointerTracker { private void setKeyDetectorInner(KeyDetector keyDetector) { mKeyDetector = keyDetector; mKeyboard = keyDetector.getKeyboard(); - mKeys = mKeyboard.mKeys; final int keyQuarterWidth = mKeyboard.mMostCommonKeyWidth / 4; mKeyQuarterWidthSquared = keyQuarterWidth * keyQuarterWidth; } @@ -295,71 +309,96 @@ public class PointerTracker { return mIsInSlidingKeyInput; } - private boolean isValidKeyIndex(int keyIndex) { - return keyIndex >= 0 && keyIndex < mKeys.size(); + public Key getKey() { + return mCurrentKey; } - public Key getKey(int keyIndex) { - return isValidKeyIndex(keyIndex) ? mKeys.get(keyIndex) : null; + public boolean isModifier() { + return mCurrentKey != null && mCurrentKey.isModifier(); } - private static boolean isModifierCode(int primaryCode) { - return primaryCode == Keyboard.CODE_SHIFT - || primaryCode == Keyboard.CODE_SWITCH_ALPHA_SYMBOL; + public Key getKeyOn(int x, int y) { + return mKeyDetector.detectHitKey(x, y); } - private boolean isModifierInternal(int keyIndex) { - final Key key = getKey(keyIndex); - return key == null ? false : isModifierCode(key.mCode); - } + private void setReleasedKeyGraphics(Key key) { + mDrawingProxy.dismissKeyPreview(this); + if (key == null) { + return; + } - public boolean isModifier() { - return isModifierInternal(mKeyIndex); - } + // Even if the key is disabled, update the key release graphics just in case. + updateReleaseKeyGraphics(key); - private boolean isOnModifierKey(int x, int y) { - return isModifierInternal(mKeyDetector.getKeyIndexAndNearbyCodes(x, y, null)); - } + if (key.isShift()) { + for (final Key shiftKey : mKeyboard.mShiftKeys) { + if (shiftKey != key) { + updateReleaseKeyGraphics(shiftKey); + } + } + } - public boolean isOnShiftKey(int x, int y) { - final Key key = getKey(mKeyDetector.getKeyIndexAndNearbyCodes(x, y, null)); - return key != null && key.mCode == Keyboard.CODE_SHIFT; + if (key.altCodeWhileTyping()) { + final int altCode = key.mAltCode; + final Key altKey = mKeyboard.getKey(altCode); + if (altKey != null) { + updateReleaseKeyGraphics(altKey); + } + for (final Key k : mKeyboard.mAltCodeKeysWhileTyping) { + if (k != key && k.mAltCode == altCode) { + updateReleaseKeyGraphics(k); + } + } + } } - public int getKeyIndexOn(int x, int y) { - return mKeyDetector.getKeyIndexAndNearbyCodes(x, y, null); - } + private void setPressedKeyGraphics(Key key) { + if (key == null) { + return; + } - private void setReleasedKeyGraphics(int keyIndex) { - mDrawingProxy.dismissKeyPreview(this); - final Key key = getKey(keyIndex); - if (key != null && key.isEnabled()) { - key.onReleased(); - mDrawingProxy.invalidateKey(key); + // Even if the key is disabled, it should respond if it is in the altCodeWhileTyping state. + final boolean altersCode = key.altCodeWhileTyping() && mTimerProxy.isTypingState(); + final boolean needsToUpdateGraphics = key.isEnabled() || altersCode; + if (!needsToUpdateGraphics) { + return; } - } - private void setPressedKeyGraphics(int keyIndex) { - final Key key = getKey(keyIndex); - if (key != null && key.isEnabled()) { - if (isKeyPreviewRequired(key)) { - mDrawingProxy.showKeyPreview(keyIndex, this); + if (!key.noKeyPreview()) { + mDrawingProxy.showKeyPreview(this); + } + updatePressKeyGraphics(key); + + if (key.isShift()) { + for (final Key shiftKey : mKeyboard.mShiftKeys) { + if (shiftKey != key) { + updatePressKeyGraphics(shiftKey); + } } - key.onPressed(); - mDrawingProxy.invalidateKey(key); } - } - // The modifier key, such as shift key, should not show its key preview. - private static boolean isKeyPreviewRequired(Key key) { - final int code = key.mCode; - // TODO: Stop hard-coding these key codes here, and add a new key attribute of a key. - if (code == Keyboard.CODE_SPACE || code == Keyboard.CODE_ENTER - || code == Keyboard.CODE_DELETE || isModifierCode(code) - || code == Keyboard.CODE_SETTINGS || code == Keyboard.CODE_SHORTCUT) { - return false; + if (key.altCodeWhileTyping() && mTimerProxy.isTypingState()) { + final int altCode = key.mAltCode; + final Key altKey = mKeyboard.getKey(altCode); + if (altKey != null) { + updatePressKeyGraphics(altKey); + } + for (final Key k : mKeyboard.mAltCodeKeysWhileTyping) { + if (k != key && k.mAltCode == altCode) { + updatePressKeyGraphics(k); + } + } } - return true; + } + + private void updateReleaseKeyGraphics(Key key) { + key.onReleased(); + mDrawingProxy.invalidateKey(key); + } + + private void updatePressKeyGraphics(Key key) { + key.onPressed(); + mDrawingProxy.invalidateKey(key); } public int getLastX() { @@ -374,31 +413,31 @@ 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.detectHitKey(x, y); } - 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); } @@ -432,7 +471,7 @@ public class PointerTracker { setKeyDetectorInner(handler.getKeyDetector()); // Naive up-to-down noise filter. final long deltaT = eventTime - mUpTime; - if (deltaT < sTouchNoiseThresholdMillis) { + if (deltaT < sParams.mTouchNoiseThresholdTime) { final int dx = x - mLastX; final int dy = y - mLastY; final int distanceSquared = (dx * dx + dy * dy); @@ -447,7 +486,8 @@ 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); @@ -458,32 +498,35 @@ 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 = sParams.mSlidingKeyInputEnabled + || (key != null && 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)) { + 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; } @@ -495,39 +538,40 @@ 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)) { + 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)) { + 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 @@ -543,20 +587,20 @@ 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; } @@ -570,7 +614,7 @@ 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); @@ -594,7 +638,6 @@ public class PointerTracker { private void onUpEventInternal(int x, int y, long eventTime) { mTimerProxy.cancelKeyTimers(); - mDrawingProxy.cancelShowKeyPreview(this); mIsInSlidingKeyInput = false; final int keyX, keyY; if (isMajorEnoughMoveToBeOnNewKey(x, y, onMoveKey(x, y))) { @@ -605,8 +648,8 @@ 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; @@ -614,19 +657,19 @@ public class PointerTracker { if (mKeyAlreadyProcessed) return; if (!mIsRepeatableKey) { - detectAndSendKey(keyIndex, keyX, keyY); + detectAndSendKey(key, keyX, keyY); } } - public void onShowMoreKeysPanel(int x, int y, long eventTime, KeyEventHandler handler) { + public void onShowMoreKeysPanel(int x, int y, KeyEventHandler handler) { onLongPressed(); - onDownEvent(x, y, eventTime, handler); + onDownEvent(x, y, SystemClock.uptimeMillis(), handler); mIsShowingMoreKeysPanel = true; } public void onLongPressed() { mKeyAlreadyProcessed = true; - setReleasedKeyGraphics(mKeyIndex); + setReleasedKeyGraphics(mCurrentKey); final PointerTrackerQueue queue = sPointerTrackerQueue; if (queue != null) { queue.remove(this); @@ -647,8 +690,7 @@ public class PointerTracker { private void onCancelEventInternal() { mTimerProxy.cancelKeyTimers(); - mDrawingProxy.cancelShowKeyPreview(this); - setReleasedKeyGraphics(mKeyIndex); + setReleasedKeyGraphics(mCurrentKey); mIsInSlidingKeyInput = false; if (mIsShowingMoreKeysPanel) { mDrawingProxy.dismissMoreKeysPanel(); @@ -656,108 +698,61 @@ public class PointerTracker { } } - private void startRepeatKey(int keyIndex) { - final Key key = getKey(keyIndex); - if (key != null && key.mRepeatable) { - onRepeatKey(keyIndex); - mTimerProxy.startKeyRepeatTimer(sDelayBeforeKeyRepeatStart, keyIndex, this); + private void startRepeatKey(Key key) { + if (key != null && key.isRepeatable()) { + onRepeatKey(key); + mTimerProxy.startKeyRepeatTimer(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) { - if (mKeys == null || mKeyDetector == null) + private boolean isMajorEnoughMoveToBeOnNewKey(int x, int y, Key newKey) { + if (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); - if (key == null) return; - if (key.mCode == Keyboard.CODE_SHIFT) { - if (sLongPressShiftKeyTimeout > 0) { - mTimerProxy.startLongPressTimer(sLongPressShiftKeyTimeout, keyIndex, this); - } - } else if (key.mCode == Keyboard.CODE_SPACE) { - if (sLongPressSpaceKeyTimeout > 0) { - mTimerProxy.startLongPressTimer(sLongPressSpaceKeyTimeout, keyIndex, this); - } - } else if (key.hasUppercaseLetter() && mKeyboard.isManualTemporaryUpperCase()) { - // We need not start long press timer on the key which has manual temporary upper case - // code defined and the keyboard is in manual temporary upper case mode. - 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); - } else { - mTimerProxy.startLongPressTimer(sLongPressKeyTimeout, keyIndex, this); + private void startLongPressTimer(Key key) { + if (key != null && key.isLongPressEnabled()) { + mTimerProxy.startLongPressTimer(this); } } - private void detectAndSendKey(int index, int x, int y) { - final Key key = getKey(index); + private void detectAndSendKey(Key key, int x, int y) { if (key == null) { callListenerOnCancelInput(); return; } - if (key.mOutputText != null) { - callListenerOnTextInput(key); - callListenerOnRelease(key, key.mCode, false); - } else { - int code = key.mCode; - final int[] codes = mKeyDetector.newCodeArray(); - mKeyDetector.getKeyIndexAndNearbyCodes(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. - if (mKeyboard.isManualTemporaryUpperCase() && key.hasUppercaseLetter()) { - code = key.mHintLabel.charAt(0); - codes[0] = code; - } - // 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; - } - callListenerOnCodeInput(key, code, codes, x, y); - callListenerOnRelease(key, code, false); - } + int code = key.mCode; + callListenerOnCodeInput(key, code, x, y); + callListenerOnRelease(key, code, false); } 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 String code = (key == null) ? "----" : keyCodePrintable(key.mCode); + final Key key = mKeyDetector.detectHitKey(x, y); + final String code = KeyDetector.printableCode(key); 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; - } } |