diff options
Diffstat (limited to 'java')
14 files changed, 327 insertions, 52 deletions
diff --git a/java/src/com/android/inputmethod/accessibility/AccessibleKeyboardViewProxy.java b/java/src/com/android/inputmethod/accessibility/AccessibleKeyboardViewProxy.java index 77940c086..01220a58a 100644 --- a/java/src/com/android/inputmethod/accessibility/AccessibleKeyboardViewProxy.java +++ b/java/src/com/android/inputmethod/accessibility/AccessibleKeyboardViewProxy.java @@ -105,15 +105,15 @@ public class AccessibleKeyboardViewProxy extends AccessibilityDelegateCompat { } /** - * Receives motion events when touch exploration is turned on in SDK - * versions ICS and higher. + * Intercepts touch events before dispatch when touch exploration is turned + * on in ICS and higher. * - * @param event The motion event. + * @param event The motion event being dispatched. * @return {@code true} if the event is handled */ - public boolean onTouchEvent(MotionEvent event) { + public boolean dispatchTouchEvent(MotionEvent event) { // To avoid accidental key presses during touch exploration, always drop - // non-hover touch events. + // touch events generated by the user. return false; } diff --git a/java/src/com/android/inputmethod/keyboard/Key.java b/java/src/com/android/inputmethod/keyboard/Key.java index 03c216474..cb120a33e 100644 --- a/java/src/com/android/inputmethod/keyboard/Key.java +++ b/java/src/com/android/inputmethod/keyboard/Key.java @@ -52,7 +52,7 @@ import java.util.Locale; /** * Class for describing the position and characteristics of a single key in the keyboard. */ -public class Key { +public class Key implements Comparable<Key> { private static final String TAG = Key.class.getSimpleName(); /** @@ -410,7 +410,7 @@ public class Key { }); } - private boolean equals(final Key o) { + private boolean equalsInternal(final Key o) { if (this == o) return true; return o.mX == mX && o.mY == mY @@ -428,13 +428,20 @@ public class Key { } @Override + public int compareTo(Key o) { + if (equalsInternal(o)) return 0; + if (mHashCode > o.mHashCode) return 1; + return -1; + } + + @Override public int hashCode() { return mHashCode; } @Override public boolean equals(final Object o) { - return o instanceof Key && equals((Key)o); + return o instanceof Key && equalsInternal((Key)o); } @Override diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardView.java b/java/src/com/android/inputmethod/keyboard/KeyboardView.java index db3a7b1e9..27c3cc3e3 100644 --- a/java/src/com/android/inputmethod/keyboard/KeyboardView.java +++ b/java/src/com/android/inputmethod/keyboard/KeyboardView.java @@ -182,7 +182,7 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy { private final Region mClipRegion = new Region(); private Bitmap mOffscreenBuffer; /** The canvas for the above mutable keyboard bitmap */ - private Canvas mOffscreenCanvas; + private final Canvas mOffscreenCanvas = new Canvas(); private final Paint mPaint = new Paint(); private final Paint.FontMetrics mFontMetrics = new Paint.FontMetrics(); // This sparse array caches key label text height in pixel indexed by key label text size. @@ -365,7 +365,8 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy { if (bufferNeedsUpdates || mOffscreenBuffer == null) { if (maybeAllocateOffscreenBuffer()) { mInvalidateAllKeys = true; - maybeCreateOffscreenCanvas(); + // TODO: Stop using the offscreen canvas even when in software rendering + mOffscreenCanvas.setBitmap(mOffscreenBuffer); } onDrawKeyboard(mOffscreenCanvas); } @@ -394,15 +395,6 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy { } } - private void maybeCreateOffscreenCanvas() { - // TODO: Stop using the offscreen canvas even when in software rendering - if (mOffscreenCanvas != null) { - mOffscreenCanvas.setBitmap(mOffscreenBuffer); - } else { - mOffscreenCanvas = new Canvas(mOffscreenBuffer); - } - } - private void onDrawKeyboard(final Canvas canvas) { if (mKeyboard == null) return; diff --git a/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java b/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java index f6b66a79e..4ed0f58e1 100644 --- a/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java +++ b/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java @@ -661,13 +661,18 @@ public class MainKeyboardView extends KeyboardView implements PointerTracker.Key } @Override + public boolean dispatchTouchEvent(MotionEvent event) { + if (AccessibilityUtils.getInstance().isTouchExplorationEnabled()) { + return AccessibleKeyboardViewProxy.getInstance().dispatchTouchEvent(event); + } + return super.dispatchTouchEvent(event); + } + + @Override public boolean onTouchEvent(final MotionEvent me) { if (getKeyboard() == null) { return false; } - if (AccessibilityUtils.getInstance().isTouchExplorationEnabled()) { - return AccessibleKeyboardViewProxy.getInstance().onTouchEvent(me); - } return mTouchScreenRegulator.onTouchEvent(me); } diff --git a/java/src/com/android/inputmethod/keyboard/internal/GesturePreviewTrail.java b/java/src/com/android/inputmethod/keyboard/internal/GesturePreviewTrail.java index 95c9572b3..4311fa775 100644 --- a/java/src/com/android/inputmethod/keyboard/internal/GesturePreviewTrail.java +++ b/java/src/com/android/inputmethod/keyboard/internal/GesturePreviewTrail.java @@ -17,9 +17,7 @@ package com.android.inputmethod.keyboard.internal; import android.content.res.TypedArray; import android.graphics.Canvas; import android.graphics.Paint; -import android.graphics.PorterDuff; -import android.graphics.PorterDuffXfermode; -import android.graphics.Xfermode; +import android.graphics.Rect; import android.os.SystemClock; import com.android.inputmethod.latin.Constants; @@ -118,17 +116,16 @@ final class GesturePreviewTrail { / params.mTrailLingerDuration, 0.0f); } - private final static Xfermode PORTER_DUFF_MODE_SRC = - new PorterDuffXfermode(PorterDuff.Mode.SRC); - /** * Draw gesture preview trail * @param canvas The canvas to draw the gesture preview trail * @param paint The paint object to be used to draw the gesture preview trail + * @param outBoundsRect the bounding box of this gesture trail drawing * @param params The drawing parameters of gesture preview trail * @return true if some gesture preview trails remain to be drawn */ - public boolean drawGestureTrail(final Canvas canvas, final Paint paint, final Params params) { + public boolean drawGestureTrail(final Canvas canvas, final Paint paint, + final Rect outBoundsRect, final Params params) { final int trailSize = mEventTimes.getLength(); if (trailSize == 0) { return false; @@ -149,12 +146,14 @@ final class GesturePreviewTrail { mTrailStartIndex = startIndex; if (startIndex < trailSize) { - int lastX = getXCoordValue(xCoords[startIndex]); - int lastY = yCoords[startIndex]; paint.setColor(params.mTrailColor); paint.setStyle(Paint.Style.STROKE); paint.setStrokeCap(Paint.Cap.ROUND); - paint.setXfermode(PORTER_DUFF_MODE_SRC); + int lastX = getXCoordValue(xCoords[startIndex]); + int lastY = yCoords[startIndex]; + float maxWidth = getWidth(sinceDown - eventTimes[startIndex], params); + // Initialize bounds rectangle. + outBoundsRect.set(lastX, lastY, lastX, lastY); for (int i = startIndex + 1; i < trailSize - 1; i++) { final int x = xCoords[i]; final int y = yCoords[i]; @@ -166,10 +165,16 @@ final class GesturePreviewTrail { final float width = getWidth(elapsedTime, params); paint.setStrokeWidth(width); canvas.drawLine(lastX, lastY, x, y, paint); + // Take union for the bounds. + outBoundsRect.union(x, y); + maxWidth = Math.max(maxWidth, width); } lastX = getXCoordValue(x); lastY = y; } + // Take care of trail line width. + final int inset = -((int)maxWidth + 1); + outBoundsRect.inset(inset, inset); } final int newSize = trailSize - startIndex; diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardParams.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardParams.java index ab5d31d42..e6fe50e02 100644 --- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardParams.java +++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardParams.java @@ -24,7 +24,7 @@ import com.android.inputmethod.keyboard.KeyboardId; import com.android.inputmethod.latin.CollectionUtils; import java.util.ArrayList; -import java.util.HashSet; +import java.util.TreeSet; public class KeyboardParams { public KeyboardId mId; @@ -58,7 +58,7 @@ public class KeyboardParams { public int GRID_WIDTH; public int GRID_HEIGHT; - public final HashSet<Key> mKeys = CollectionUtils.newHashSet(); + public final TreeSet<Key> mKeys = CollectionUtils.newTreeSet(); // ordered set public final ArrayList<Key> mShiftKeys = CollectionUtils.newArrayList(); public final ArrayList<Key> mAltCodeKeysWhileTyping = CollectionUtils.newArrayList(); public final KeyboardIconsSet mIconsSet = new KeyboardIconsSet(); diff --git a/java/src/com/android/inputmethod/keyboard/internal/MoreKeySpec.java b/java/src/com/android/inputmethod/keyboard/internal/MoreKeySpec.java index 5da26543f..550391b49 100644 --- a/java/src/com/android/inputmethod/keyboard/internal/MoreKeySpec.java +++ b/java/src/com/android/inputmethod/keyboard/internal/MoreKeySpec.java @@ -16,12 +16,14 @@ package com.android.inputmethod.keyboard.internal; +import android.text.TextUtils; + import com.android.inputmethod.keyboard.Keyboard; import com.android.inputmethod.latin.StringUtils; import java.util.Locale; -public class MoreKeySpec { +public final class MoreKeySpec { public final int mCode; public final String mLabel; public final String mOutputText; @@ -47,6 +49,29 @@ public class MoreKeySpec { } @Override + public int hashCode() { + int hashCode = 1; + hashCode = 31 + mCode; + hashCode = hashCode * 31 + mIconId; + hashCode = hashCode * 31 + (mLabel == null ? 0 : mLabel.hashCode()); + hashCode = hashCode * 31 + (mOutputText == null ? 0 : mOutputText.hashCode()); + return hashCode; + } + + @Override + public boolean equals(final Object o) { + if (this == o) return true; + if (o instanceof MoreKeySpec) { + final MoreKeySpec other = (MoreKeySpec)o; + return mCode == other.mCode + && mIconId == other.mIconId + && TextUtils.equals(mLabel, other.mLabel) + && TextUtils.equals(mOutputText, other.mOutputText); + } + return false; + } + + @Override public String toString() { final String label = (mIconId == KeyboardIconsSet.ICON_UNDEFINED ? mLabel : KeySpecParser.PREFIX_ICON + KeyboardIconsSet.getIconName(mIconId)); diff --git a/java/src/com/android/inputmethod/keyboard/internal/PreviewPlacerView.java b/java/src/com/android/inputmethod/keyboard/internal/PreviewPlacerView.java index dbde4ef39..7104e3a12 100644 --- a/java/src/com/android/inputmethod/keyboard/internal/PreviewPlacerView.java +++ b/java/src/com/android/inputmethod/keyboard/internal/PreviewPlacerView.java @@ -18,7 +18,9 @@ package com.android.inputmethod.keyboard.internal; import android.content.Context; import android.content.res.TypedArray; +import android.graphics.Bitmap; import android.graphics.Canvas; +import android.graphics.Color; import android.graphics.Paint; import android.graphics.Paint.Align; import android.graphics.PorterDuff; @@ -54,6 +56,10 @@ public class PreviewPlacerView extends RelativeLayout { private final Params mGesturePreviewTrailParams; private final Paint mGesturePaint; private boolean mDrawsGesturePreviewTrail; + private Bitmap mOffscreenBuffer; + private final Canvas mOffscreenCanvas = new Canvas(); + private final Rect mOffscreenDirtyRect = new Rect(); + private final Rect mGesturePreviewTrailBoundsRect = new Rect(); // per trail private final Paint mTextPaint; private String mGestureFloatingPreviewText; @@ -154,6 +160,7 @@ public class PreviewPlacerView extends RelativeLayout { final Paint gesturePaint = new Paint(); gesturePaint.setAntiAlias(true); + gesturePaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC)); mGesturePaint = gesturePaint; final Paint textPaint = new Paint(); @@ -199,10 +206,30 @@ public class PreviewPlacerView extends RelativeLayout { } @Override + protected void onDetachedFromWindow() { + if (mOffscreenBuffer != null) { + mOffscreenBuffer.recycle(); + mOffscreenBuffer = null; + } + } + + @Override public void onDraw(final Canvas canvas) { super.onDraw(canvas); canvas.translate(mXOrigin, mYOrigin); if (mDrawsGesturePreviewTrail) { + if (mOffscreenBuffer == null) { + mOffscreenBuffer = Bitmap.createBitmap( + getWidth(), getHeight(), Bitmap.Config.ARGB_8888); + mOffscreenCanvas.setBitmap(mOffscreenBuffer); + } + if (!mOffscreenDirtyRect.isEmpty()) { + // Clear previous dirty rectangle. + mGesturePaint.setColor(Color.TRANSPARENT); + mGesturePaint.setStyle(Paint.Style.FILL); + mOffscreenCanvas.drawRect(mOffscreenDirtyRect, mGesturePaint); + mOffscreenDirtyRect.setEmpty(); + } boolean needsUpdatingGesturePreviewTrail = false; synchronized (mGesturePreviewTrails) { // Trails count == fingers count that have ever been active. @@ -210,10 +237,18 @@ public class PreviewPlacerView extends RelativeLayout { for (int index = 0; index < trailsCount; index++) { final GesturePreviewTrail trail = mGesturePreviewTrails.valueAt(index); needsUpdatingGesturePreviewTrail |= - trail.drawGestureTrail(canvas, mGesturePaint, - mGesturePreviewTrailParams); + trail.drawGestureTrail(mOffscreenCanvas, mGesturePaint, + mGesturePreviewTrailBoundsRect, mGesturePreviewTrailParams); + // {@link #mGesturePreviewTrailBoundsRect} has bounding box of the trail. + mOffscreenDirtyRect.union(mGesturePreviewTrailBoundsRect); } } + if (!mOffscreenDirtyRect.isEmpty()) { + canvas.drawBitmap(mOffscreenBuffer, mOffscreenDirtyRect, mOffscreenDirtyRect, + mGesturePaint); + // Note: Defer clearing the dirty rectangle here because we will get cleared + // rectangle on the canvas. + } if (needsUpdatingGesturePreviewTrail) { mDrawingHandler.postUpdateGestureTrailPreview(); } @@ -263,7 +298,6 @@ public class PreviewPlacerView extends RelativeLayout { final float round = mGestureFloatingPreviewRoundRadius; paint.setColor(mGestureFloatingPreviewColor); canvas.drawRoundRect(rectangle, round, round, paint); - // Paint the text preview paint.setColor(mGestureFloatingPreviewTextColor); final float textX = rectX + hPad + textWidth / 2.0f; diff --git a/java/src/com/android/inputmethod/latin/AutoCorrection.java b/java/src/com/android/inputmethod/latin/AutoCorrection.java index 01ba30077..f425e360a 100644 --- a/java/src/com/android/inputmethod/latin/AutoCorrection.java +++ b/java/src/com/android/inputmethod/latin/AutoCorrection.java @@ -73,11 +73,11 @@ public class AutoCorrection { return maxFreq; } - // Returns true if this isn't in any dictionary. - public static boolean isNotAWord( + // Returns true if this is in any of the dictionaries. + public static boolean isInTheDictionary( final ConcurrentHashMap<String, Dictionary> dictionaries, final CharSequence word, final boolean ignoreCase) { - return !isValidWord(dictionaries, word, ignoreCase); + return isValidWord(dictionaries, word, ignoreCase); } public static boolean suggestionExceedsAutoCorrectionThreshold(SuggestedWordInfo suggestion, diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java index 96c6d6f98..78c65e0c7 100644 --- a/java/src/com/android/inputmethod/latin/LatinIME.java +++ b/java/src/com/android/inputmethod/latin/LatinIME.java @@ -733,6 +733,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen mainKeyboardView.setGesturePreviewMode(mCurrentSettings.mGesturePreviewTrailEnabled, mCurrentSettings.mGestureFloatingPreviewTextEnabled); + mConnection.resetCachesUponCursorMove(mLastSelectionStart); + if (TRACE) Debug.startMethodTracing("/data/trace/latinime"); } @@ -839,7 +841,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen mSpaceState = SPACE_STATE_NONE; if ((!mWordComposer.isComposingWord()) || selectionChanged || noComposingSpan) { - resetEntireInputState(); + resetEntireInputState(newSelStart); } mHandler.postUpdateShiftState(); @@ -1043,14 +1045,14 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen // This will reset the whole input state to the starting state. It will clear // the composing word, reset the last composed word, tell the inputconnection about it. - private void resetEntireInputState() { + private void resetEntireInputState(final int newCursorPosition) { resetComposingState(true /* alsoResetLastComposedWord */); if (mCurrentSettings.mBigramPredictionEnabled) { clearSuggestionStrip(); } else { setSuggestionStrip(mCurrentSettings.mSuggestPuncList, false); } - mConnection.finishComposingText(); + mConnection.resetCachesUponCursorMove(newCursorPosition); } private void resetComposingState(final boolean alsoResetLastComposedWord) { @@ -1220,7 +1222,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen } } - private void sendUpDownEnterOrBackspace(final int code) { + private void sendDownUpKeyEventForBackwardCompatibility(final int code) { final long eventTime = SystemClock.uptimeMillis(); mConnection.sendKeyEvent(new KeyEvent(eventTime, eventTime, KeyEvent.ACTION_DOWN, code, 0, 0, KeyCharacterMap.VIRTUAL_KEYBOARD, 0, @@ -1234,7 +1236,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen // TODO: Remove this special handling of digit letters. // For backward compatibility. See {@link InputMethodService#sendKeyChar(char)}. if (code >= '0' && code <= '9') { - super.sendKeyChar((char)code); + sendDownUpKeyEventForBackwardCompatibility(code - '0' + KeyEvent.KEYCODE_0); if (ProductionFlag.IS_EXPERIMENTAL) { ResearchLogger.latinIME_sendKeyCodePoint(code); } @@ -1249,7 +1251,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen // a hardware keyboard event on pressing enter or delete. This is bad for many // reasons (there are race conditions with commits) but some applications are // relying on this behavior so we continue to support it for older apps. - sendUpDownEnterOrBackspace(KeyEvent.KEYCODE_ENTER); + sendDownUpKeyEventForBackwardCompatibility(KeyEvent.KEYCODE_ENTER); } else { final String text = new String(new int[] { code }, 0, 1); mConnection.commitText(text, text.length()); @@ -1525,7 +1527,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen // a hardware keyboard event on pressing enter or delete. This is bad for many // reasons (there are race conditions with commits) but some applications are // relying on this behavior so we continue to support it for older apps. - sendUpDownEnterOrBackspace(KeyEvent.KEYCODE_DEL); + sendDownUpKeyEventForBackwardCompatibility(KeyEvent.KEYCODE_DEL); } else { mConnection.deleteSurroundingText(1, 0); } @@ -1862,7 +1864,11 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen separatorString); if (!typedWord.equals(autoCorrection)) { // This will make the correction flash for a short while as a visual clue - // to the user that auto-correction happened. + // to the user that auto-correction happened. It has no other effect; in particular + // note that this won't affect the text inside the text field AT ALL: it only makes + // the segment of text starting at the supplied index and running for the length + // of the auto-correction flash. At this moment, the "typedWord" argument is + // ignored by TextView. mConnection.commitCorrection( new CorrectionInfo(mLastSelectionEnd - typedWord.length(), typedWord, autoCorrection)); @@ -2229,6 +2235,17 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen dialog.show(); } + public void debugDumpStateAndCrashWithException(final String context) { + final StringBuilder s = new StringBuilder(); + s.append("Target application : ").append(mTargetApplicationInfo.name) + .append("\nPackage : ").append(mTargetApplicationInfo.packageName) + .append("\nTarget app sdk version : ") + .append(mTargetApplicationInfo.targetSdkVersion) + .append("\nAttributes : ").append(mCurrentSettings.getInputAttributesDebugString()) + .append("\nContext : ").append(context); + throw new RuntimeException(s.toString()); + } + @Override protected void dump(FileDescriptor fd, PrintWriter fout, String[] args) { super.dump(fd, fout, args); diff --git a/java/src/com/android/inputmethod/latin/RichInputConnection.java b/java/src/com/android/inputmethod/latin/RichInputConnection.java index 41e59e92d..37e1dbb69 100644 --- a/java/src/com/android/inputmethod/latin/RichInputConnection.java +++ b/java/src/com/android/inputmethod/latin/RichInputConnection.java @@ -33,16 +33,47 @@ import com.android.inputmethod.research.ResearchLogger; import java.util.regex.Pattern; /** - * Wrapper for InputConnection to simplify interaction + * Enrichment class for InputConnection to simplify interaction and add functionality. + * + * This class serves as a wrapper to be able to simply add hooks to any calls to the underlying + * InputConnection. It also keeps track of a number of things to avoid having to call upon IPC + * all the time to find out what text is in the buffer, when we need it to determine caps mode + * for example. */ public class RichInputConnection { private static final String TAG = RichInputConnection.class.getSimpleName(); private static final boolean DBG = false; + private static final boolean DEBUG_PREVIOUS_TEXT = false; // Provision for a long word pair and a separator private static final int LOOKBACK_CHARACTER_NUM = BinaryDictionary.MAX_WORD_LENGTH * 2 + 1; private static final Pattern spaceRegex = Pattern.compile("\\s+"); private static final int INVALID_CURSOR_POSITION = -1; + /** + * This variable contains the value LatinIME thinks the cursor position should be at now. + * This is a few steps in advance of what the TextView thinks it is, because TextView will + * only know after the IPC calls gets through. + */ + private int mCurrentCursorPosition = INVALID_CURSOR_POSITION; // in chars, not code points + /** + * This contains the committed text immediately preceding the cursor and the composing + * text if any. It is refreshed when the cursor moves by calling upon the TextView. + */ + private StringBuilder mCommittedTextBeforeComposingText = new StringBuilder(); + /** + * This contains the currently composing text, as LatinIME thinks the TextView is seeing it. + */ + private StringBuilder mComposingText = new StringBuilder(); + /** + * This is a one-character string containing the character after the cursor. Since LatinIME + * never touches it directly, it's never modified by any means other than re-reading from the + * TextView when the cursor position is changed by the user. + */ + private CharSequence mCharAfterTheCursor = ""; + // A hint on how many characters to cache from the TextView. A good value of this is given by + // how many characters we need to be able to almost always find the caps mode. + private static final int DEFAULT_TEXT_CACHE_SIZE = 100; + private final InputMethodService mParent; InputConnection mIC; int mNestLevel; @@ -52,6 +83,37 @@ public class RichInputConnection { mNestLevel = 0; } + private void checkConsistencyForDebug() { + final ExtractedTextRequest r = new ExtractedTextRequest(); + r.hintMaxChars = 0; + r.hintMaxLines = 0; + r.token = 1; + r.flags = 0; + final ExtractedText et = mIC.getExtractedText(r, 0); + final CharSequence beforeCursor = getTextBeforeCursor(DEFAULT_TEXT_CACHE_SIZE, 0); + final StringBuilder internal = new StringBuilder().append(mCommittedTextBeforeComposingText) + .append(mComposingText); + if (null == et || null == beforeCursor) return; + final int actualLength = Math.min(beforeCursor.length(), internal.length()); + if (internal.length() > actualLength) { + internal.delete(0, internal.length() - actualLength); + } + final String reference = (beforeCursor.length() <= actualLength) ? beforeCursor.toString() + : beforeCursor.subSequence(beforeCursor.length() - actualLength, + beforeCursor.length()).toString(); + if (et.selectionStart != mCurrentCursorPosition + || !(reference.equals(internal.toString()))) { + final String context = "Expected cursor position = " + mCurrentCursorPosition + + "\nActual cursor position = " + et.selectionStart + + "\nExpected text = " + internal.length() + " " + internal + + "\nActual text = " + reference.length() + " " + reference; + ((LatinIME)mParent).debugDumpStateAndCrashWithException(context); + } else { + Log.e(TAG, Utils.getStackTrace(2)); + Log.e(TAG, "Exp <> Actual : " + mCurrentCursorPosition + " <> " + et.selectionStart); + } + } + public void beginBatchEdit() { if (++mNestLevel == 1) { mIC = mParent.getCurrentInputConnection(); @@ -65,12 +127,30 @@ public class RichInputConnection { Log.e(TAG, "Nest level too deep : " + mNestLevel); } } + checkBatchEdit(); + if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug(); } + public void endBatchEdit() { if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead if (--mNestLevel == 0 && null != mIC) { mIC.endBatchEdit(); } + if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug(); + } + + public void resetCachesUponCursorMove(final int newCursorPosition) { + mCurrentCursorPosition = newCursorPosition; + mComposingText.setLength(0); + mCommittedTextBeforeComposingText.setLength(0); + mCommittedTextBeforeComposingText.append(getTextBeforeCursor(DEFAULT_TEXT_CACHE_SIZE, 0)); + mCharAfterTheCursor = getTextAfterCursor(1, 0); + if (null != mIC) { + mIC.finishComposingText(); + if (ProductionFlag.IS_EXPERIMENTAL) { + ResearchLogger.richInputConnection_finishComposingText(); + } + } } private void checkBatchEdit() { @@ -83,6 +163,10 @@ public class RichInputConnection { public void finishComposingText() { checkBatchEdit(); + if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug(); + mCommittedTextBeforeComposingText.append(mComposingText); + mCurrentCursorPosition += mComposingText.length(); + mComposingText.setLength(0); if (null != mIC) { mIC.finishComposingText(); if (ProductionFlag.IS_EXPERIMENTAL) { @@ -93,6 +177,10 @@ public class RichInputConnection { public void commitText(final CharSequence text, final int i) { checkBatchEdit(); + if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug(); + mCommittedTextBeforeComposingText.append(text); + mCurrentCursorPosition += text.length() - mComposingText.length(); + mComposingText.setLength(0); if (null != mIC) { mIC.commitText(text, i); if (ProductionFlag.IS_EXPERIMENTAL) { @@ -121,12 +209,28 @@ public class RichInputConnection { public void deleteSurroundingText(final int i, final int j) { checkBatchEdit(); + final int remainingChars = mComposingText.length() - i; + if (remainingChars >= 0) { + mComposingText.setLength(remainingChars); + } else { + mComposingText.setLength(0); + // Never cut under 0 + final int len = Math.max(mCommittedTextBeforeComposingText.length() + + remainingChars, 0); + mCommittedTextBeforeComposingText.setLength(len); + } + if (mCurrentCursorPosition > i) { + mCurrentCursorPosition -= i; + } else { + mCurrentCursorPosition = 0; + } if (null != mIC) { mIC.deleteSurroundingText(i, j); if (ProductionFlag.IS_EXPERIMENTAL) { ResearchLogger.richInputConnection_deleteSurroundingText(i, j); } } + if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug(); } public void performEditorAction(final int actionId) { @@ -141,6 +245,44 @@ public class RichInputConnection { public void sendKeyEvent(final KeyEvent keyEvent) { checkBatchEdit(); + if (keyEvent.getAction() == KeyEvent.ACTION_DOWN) { + if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug(); + // This method is only called for enter or backspace when speaking to old + // applications (target SDK <= 15), or for digits. + // When talking to new applications we never use this method because it's inherently + // racy and has unpredictable results, but for backward compatibility we continue + // sending the key events for only Enter and Backspace because some applications + // mistakenly catch them to do some stuff. + switch (keyEvent.getKeyCode()) { + case KeyEvent.KEYCODE_ENTER: + mCommittedTextBeforeComposingText.append("\n"); + mCurrentCursorPosition += 1; + break; + case KeyEvent.KEYCODE_DEL: + if (0 == mComposingText.length()) { + if (mCommittedTextBeforeComposingText.length() > 0) { + mCommittedTextBeforeComposingText.delete( + mCommittedTextBeforeComposingText.length() - 1, + mCommittedTextBeforeComposingText.length()); + } + } else { + mComposingText.delete(mComposingText.length() - 1, mComposingText.length()); + } + if (mCurrentCursorPosition > 0) mCurrentCursorPosition -= 1; + break; + case KeyEvent.KEYCODE_UNKNOWN: + if (null != keyEvent.getCharacters()) { + mCommittedTextBeforeComposingText.append(keyEvent.getCharacters()); + mCurrentCursorPosition += keyEvent.getCharacters().length(); + } + break; + default: + final String text = new String(new int[] { keyEvent.getUnicodeChar() }, 0, 1); + mCommittedTextBeforeComposingText.append(text); + mCurrentCursorPosition += text.length(); + break; + } + } if (null != mIC) { mIC.sendKeyEvent(keyEvent); if (ProductionFlag.IS_EXPERIMENTAL) { @@ -151,48 +293,83 @@ public class RichInputConnection { public void setComposingText(final CharSequence text, final int i) { checkBatchEdit(); + if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug(); + mCurrentCursorPosition += text.length() - mComposingText.length(); + mComposingText.setLength(0); + mComposingText.append(text); + // TODO: support values of i != 1. At this time, this is never called with i != 1. if (null != mIC) { mIC.setComposingText(text, i); if (ProductionFlag.IS_EXPERIMENTAL) { ResearchLogger.richInputConnection_setComposingText(text, i); } } + if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug(); } public void setSelection(final int from, final int to) { checkBatchEdit(); + if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug(); if (null != mIC) { mIC.setSelection(from, to); if (ProductionFlag.IS_EXPERIMENTAL) { ResearchLogger.richInputConnection_setSelection(from, to); } } + mCurrentCursorPosition = from; + mCommittedTextBeforeComposingText.setLength(0); + mCommittedTextBeforeComposingText.append(getTextBeforeCursor(DEFAULT_TEXT_CACHE_SIZE, 0)); } public void commitCorrection(final CorrectionInfo correctionInfo) { checkBatchEdit(); + if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug(); + // This has no effect on the text field and does not change its content. It only makes + // TextView flash the text for a second based on indices contained in the argument. if (null != mIC) { mIC.commitCorrection(correctionInfo); if (ProductionFlag.IS_EXPERIMENTAL) { ResearchLogger.richInputConnection_commitCorrection(correctionInfo); } } + if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug(); } public void commitCompletion(final CompletionInfo completionInfo) { checkBatchEdit(); + if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug(); + final CharSequence text = completionInfo.getText(); + mCommittedTextBeforeComposingText.append(text); + mCurrentCursorPosition += text.length() - mComposingText.length(); + mComposingText.setLength(0); if (null != mIC) { mIC.commitCompletion(completionInfo); if (ProductionFlag.IS_EXPERIMENTAL) { ResearchLogger.richInputConnection_commitCompletion(completionInfo); } } + if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug(); } public CharSequence getNthPreviousWord(final String sentenceSeperators, final int n) { mIC = mParent.getCurrentInputConnection(); if (null == mIC) return null; final CharSequence prev = mIC.getTextBeforeCursor(LOOKBACK_CHARACTER_NUM, 0); + if (DEBUG_PREVIOUS_TEXT && null != prev) { + final int checkLength = LOOKBACK_CHARACTER_NUM - 1; + final String reference = prev.length() <= checkLength ? prev.toString() + : prev.subSequence(prev.length() - checkLength, prev.length()).toString(); + final StringBuilder internal = new StringBuilder() + .append(mCommittedTextBeforeComposingText).append(mComposingText); + if (internal.length() > checkLength) { + internal.delete(0, internal.length() - checkLength); + if (!(reference.equals(internal.toString()))) { + final String context = + "Expected text = " + internal + "\nActual text = " + reference; + ((LatinIME)mParent).debugDumpStateAndCrashWithException(context); + } + } + } return getNthPreviousWord(prev, sentenceSeperators, n); } diff --git a/java/src/com/android/inputmethod/latin/Suggest.java b/java/src/com/android/inputmethod/latin/Suggest.java index 51ed09604..f922bc9e0 100644 --- a/java/src/com/android/inputmethod/latin/Suggest.java +++ b/java/src/com/android/inputmethod/latin/Suggest.java @@ -214,10 +214,12 @@ public class Suggest { whitelistedWord = suggestionsSet.first().mWord; } + // The word can be auto-corrected if it has a whitelist entry that is not itself, + // or if it's a 2+ characters non-word (i.e. it's not in the dictionary). final boolean allowsToBeAutoCorrected = (null != whitelistedWord && !whitelistedWord.equals(consideredWord)) - || AutoCorrection.isNotAWord(mDictionaries, consideredWord, - wordComposer.isFirstCharCapitalized()); + || (consideredWord.length() > 1 && !AutoCorrection.isInTheDictionary(mDictionaries, + consideredWord, wordComposer.isFirstCharCapitalized())); final boolean hasAutoCorrection; // TODO: using isCorrectionEnabled here is not very good. It's probably useless, because diff --git a/java/src/com/android/inputmethod/latin/UserHistoryDictIOUtils.java b/java/src/com/android/inputmethod/latin/UserHistoryDictIOUtils.java index d6fa66131..1f5f1f7e6 100644 --- a/java/src/com/android/inputmethod/latin/UserHistoryDictIOUtils.java +++ b/java/src/com/android/inputmethod/latin/UserHistoryDictIOUtils.java @@ -91,6 +91,11 @@ public class UserHistoryDictIOUtils { public void position(int position) { mPosition = position; } + + @Override + public void put(final byte b) { + mBuffer[mPosition++] = b; + } } /** diff --git a/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java b/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java index 6775144de..fbcb5eacc 100644 --- a/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java +++ b/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java @@ -232,6 +232,7 @@ public class BinaryDictInputOutput { public int readInt(); public int position(); public void position(int newPosition); + public void put(final byte b); } public static final class ByteBufferWrapper implements FusionDictionaryBufferInterface { @@ -271,6 +272,11 @@ public class BinaryDictInputOutput { public void position(int newPos) { mBuffer.position(newPos); } + + @Override + public void put(final byte b) { + mBuffer.put(b); + } } /** |