Merge "Calculate x coordinate with floating point"

3 files changed, 122 insertions, 134 deletions

diff --git a/java/src/com/android/inputmethod/keyboard/Key.java b/java/src/com/android/inputmethod/keyboard/Key.java
index c2f0a3db6..ced18f0f3 100644
--- a/java/src/com/android/inputmethod/keyboard/Key.java
+++ b/java/src/com/android/inputmethod/keyboard/Key.java
@@ -253,126 +253,115 @@ public class Key {
 
         final TypedArray keyboardAttr = res.obtainAttributes(Xml.asAttributeSet(parser),
                 R.styleable.Keyboard);
-        int keyWidth;
-        try {
-            mHeight = KeyboardBuilder.getDimensionOrFraction(keyboardAttr,
-                    R.styleable.Keyboard_rowHeight,
-                    params.mHeight, row.mRowHeight) - params.mVerticalGap;
-            mHorizontalGap = KeyboardBuilder.getDimensionOrFraction(keyboardAttr,
-                    R.styleable.Keyboard_horizontalGap,
-                    params.mWidth, params.mHorizontalGap);
-            mVerticalGap = params.mVerticalGap;
-            keyWidth = KeyboardBuilder.getDimensionOrFraction(keyboardAttr,
-                    R.styleable.Keyboard_keyWidth,
-                    params.mWidth, row.mDefaultKeyWidth);
-        } finally {
-            keyboardAttr.recycle();
-        }
+        mHeight = (int)KeyboardBuilder.getDimensionOrFraction(keyboardAttr,
+                R.styleable.Keyboard_rowHeight, params.mHeight, row.mRowHeight)
+                - params.mVerticalGap;
+        final float horizontalGap = KeyboardBuilder.getDimensionOrFraction(keyboardAttr,
+                R.styleable.Keyboard_horizontalGap, params.mWidth, params.mHorizontalGap);
+        mVerticalGap = params.mVerticalGap;
+        float keyWidth = KeyboardBuilder.getDimensionOrFraction(keyboardAttr,
+                R.styleable.Keyboard_keyWidth, params.mWidth, row.mDefaultKeyWidth);
+        keyboardAttr.recycle();
 
         final TypedArray keyAttr = res.obtainAttributes(Xml.asAttributeSet(parser),
                 R.styleable.Keyboard_Key);
-        try {
-            final KeyStyle style;
-            if (keyAttr.hasValue(R.styleable.Keyboard_Key_keyStyle)) {
-                String styleName = keyAttr.getString(R.styleable.Keyboard_Key_keyStyle);
-                style = keyStyles.getKeyStyle(styleName);
-                if (style == null)
-                    throw new ParseException("Unknown key style: " + styleName, parser);
-            } else {
-                style = keyStyles.getEmptyKeyStyle();
-            }
 
-            final int keyboardWidth = params.mOccupiedWidth;
-            final int x = row.mCurrentX;
-            int keyXPos = KeyboardBuilder.getDimensionOrFraction(keyAttr,
-                    R.styleable.Keyboard_Key_keyXPos, keyboardWidth, x);
-            if (keyXPos < 0) {
-                // If keyXPos is negative, the actual x-coordinate will be k + keyXPos.
-                keyXPos += keyboardWidth;
-                if (keyXPos < x) {
-                    // keyXPos shouldn't be less than x because drawable area for this key starts
-                    // at x. Or, this key will overlaps the adjacent key on its left hand side.
-                    keyXPos = x;
-                }
-            }
-            if (keyWidth == KEYWIDTH_FILL_RIGHT) {
-                // If keyWidth is zero, the actual key width will be determined to fill out the
-                // area up to the right edge of the keyboard.
-                keyWidth = keyboardWidth - keyXPos;
-            } else if (keyWidth <= KEYWIDTH_FILL_BOTH) {
-                // If keyWidth is negative, the actual key width will be determined to fill out the
-                // area between the nearest key on the left hand side and the right edge of the
-                // keyboard.
+        final KeyStyle style;
+        if (keyAttr.hasValue(R.styleable.Keyboard_Key_keyStyle)) {
+            String styleName = keyAttr.getString(R.styleable.Keyboard_Key_keyStyle);
+            style = keyStyles.getKeyStyle(styleName);
+            if (style == null)
+                throw new ParseException("Unknown key style: " + styleName, parser);
+        } else {
+            style = keyStyles.getEmptyKeyStyle();
+        }
+
+        final int keyboardWidth = params.mOccupiedWidth;
+        final float x = row.mCurrentX;
+        float keyXPos = KeyboardBuilder.getDimensionOrFraction(keyAttr,
+                R.styleable.Keyboard_Key_keyXPos, keyboardWidth, x);
+        if (keyXPos < 0) {
+            // If keyXPos is negative, the actual x-coordinate will be keyboardWidth + keyXPos.
+            keyXPos += keyboardWidth;
+            if (keyXPos < x) {
+                // keyXPos shouldn't be less than x because drawable area for this key starts
+                // at x. Or, this key will overlaps the adjacent key on its left hand side.
                 keyXPos = x;
-                keyWidth = keyboardWidth - keyXPos;
             }
+        }
+        if (keyWidth == KEYWIDTH_FILL_RIGHT) {
+            // If keyWidth is zero, the actual key width will be determined to fill out the
+            // area up to the right edge of the keyboard.
+            keyWidth = keyboardWidth - keyXPos;
+        } else if (keyWidth <= KEYWIDTH_FILL_BOTH) {
+            // If keyWidth is negative, the actual key width will be determined to fill out the
+            // area between the nearest key on the left hand side and the right edge of the
+            // keyboard.
+            keyXPos = x;
+            keyWidth = keyboardWidth - keyXPos;
+        }
 
-            // Horizontal gap is divided equally to both sides of the key.
-            mX = keyXPos + mHorizontalGap / 2;
-            mY = row.mCurrentY;
-            mWidth = keyWidth - mHorizontalGap;
-
-            // Update row to have x-coordinate of the right edge of this key.
-            row.mCurrentX = keyXPos + keyWidth;
-
-            final CharSequence[] moreKeys = style.getTextArray(
-                    keyAttr, R.styleable.Keyboard_Key_moreKeys);
-            // In Arabic symbol layouts, we'd like to keep digits in more keys regardless of
-            // config_digit_more_keys_enabled.
-            if (params.mId.isAlphabetKeyboard() && !res.getBoolean(
-                    R.bool.config_digit_more_keys_enabled)) {
-                mMoreKeys = MoreKeySpecParser.filterOut(
-                        res, moreKeys, MoreKeySpecParser.DIGIT_FILTER);
-            } else {
-                mMoreKeys = moreKeys;
-            }
-            mMaxMoreKeysColumn = style.getInt(keyboardAttr,
-                    R.styleable.Keyboard_Key_maxMoreKeysColumn,
-                    params.mMaxMiniKeyboardColumn);
-
-            mRepeatable = style.getBoolean(keyAttr, R.styleable.Keyboard_Key_isRepeatable, false);
-            mFunctional = style.getBoolean(keyAttr, R.styleable.Keyboard_Key_isFunctional, false);
-            mSticky = style.getBoolean(keyAttr, R.styleable.Keyboard_Key_isSticky, false);
-            mEnabled = style.getBoolean(keyAttr, R.styleable.Keyboard_Key_enabled, true);
-            mEdgeFlags = 0;
-
-            final KeyboardIconsSet iconsSet = params.mIconsSet;
-            mVisualInsetsLeft = KeyboardBuilder.getDimensionOrFraction(keyAttr,
-                    R.styleable.Keyboard_Key_visualInsetsLeft, keyboardWidth, 0);
-            mVisualInsetsRight = KeyboardBuilder.getDimensionOrFraction(keyAttr,
-                    R.styleable.Keyboard_Key_visualInsetsRight, keyboardWidth, 0);
-            mPreviewIcon = iconsSet.getIcon(style.getInt(
-                    keyAttr, R.styleable.Keyboard_Key_keyIconPreview,
-                    KeyboardIconsSet.ICON_UNDEFINED));
-            mIcon = iconsSet.getIcon(style.getInt(
-                    keyAttr, R.styleable.Keyboard_Key_keyIcon,
-                    KeyboardIconsSet.ICON_UNDEFINED));
-            final int shiftedIconId = style.getInt(keyAttr, R.styleable.Keyboard_Key_keyIconShifted,
-                    KeyboardIconsSet.ICON_UNDEFINED);
-            if (shiftedIconId != KeyboardIconsSet.ICON_UNDEFINED) {
-                final Drawable shiftedIcon = iconsSet.getIcon(shiftedIconId);
-                params.addShiftedIcon(this, shiftedIcon);
-            }
-            mHintLabel = style.getText(keyAttr, R.styleable.Keyboard_Key_keyHintLabel);
-
-            mLabel = style.getText(keyAttr, R.styleable.Keyboard_Key_keyLabel);
-            mLabelOption = style.getFlag(keyAttr, R.styleable.Keyboard_Key_keyLabelOption, 0);
-            mOutputText = style.getText(keyAttr, R.styleable.Keyboard_Key_keyOutputText);
-            // Choose the first letter of the label as primary code if not
-            // specified.
-            final int code = style.getInt(keyAttr, R.styleable.Keyboard_Key_code,
-                    Keyboard.CODE_UNSPECIFIED);
-            if (code == Keyboard.CODE_UNSPECIFIED && !TextUtils.isEmpty(mLabel)) {
-                final int firstChar = mLabel.charAt(0);
-                mCode = getRtlParenthesisCode(firstChar, params.mIsRtlKeyboard);
-            } else if (code != Keyboard.CODE_UNSPECIFIED) {
-                mCode = code;
-            } else {
-                mCode = Keyboard.CODE_DUMMY;
-            }
-        } finally {
-            keyAttr.recycle();
+        // Horizontal gap is divided equally to both sides of the key.
+        mX = (int) (keyXPos + horizontalGap / 2);
+        mY = row.mCurrentY;
+        mWidth = (int) (keyWidth - horizontalGap);
+        mHorizontalGap = (int) horizontalGap;
+        // Update row to have current x coordinate.
+        row.mCurrentX = keyXPos + keyWidth;
+
+        final CharSequence[] moreKeys = style.getTextArray(keyAttr,
+                R.styleable.Keyboard_Key_moreKeys);
+        // In Arabic symbol layouts, we'd like to keep digits in more keys regardless of
+        // config_digit_more_keys_enabled.
+        if (params.mId.isAlphabetKeyboard()
+                && !res.getBoolean(R.bool.config_digit_more_keys_enabled)) {
+            mMoreKeys = MoreKeySpecParser.filterOut(res, moreKeys, MoreKeySpecParser.DIGIT_FILTER);
+        } else {
+            mMoreKeys = moreKeys;
+        }
+        mMaxMoreKeysColumn = style.getInt(keyboardAttr, R.styleable.Keyboard_Key_maxMoreKeysColumn,
+                params.mMaxMiniKeyboardColumn);
+
+        mRepeatable = style.getBoolean(keyAttr, R.styleable.Keyboard_Key_isRepeatable, false);
+        mFunctional = style.getBoolean(keyAttr, R.styleable.Keyboard_Key_isFunctional, false);
+        mSticky = style.getBoolean(keyAttr, R.styleable.Keyboard_Key_isSticky, false);
+        mEnabled = style.getBoolean(keyAttr, R.styleable.Keyboard_Key_enabled, true);
+        mEdgeFlags = 0;
+
+        final KeyboardIconsSet iconsSet = params.mIconsSet;
+        mVisualInsetsLeft = (int) KeyboardBuilder.getDimensionOrFraction(keyAttr,
+                R.styleable.Keyboard_Key_visualInsetsLeft, keyboardWidth, 0);
+        mVisualInsetsRight = (int) KeyboardBuilder.getDimensionOrFraction(keyAttr,
+                R.styleable.Keyboard_Key_visualInsetsRight, keyboardWidth, 0);
+        mPreviewIcon = iconsSet.getIcon(style.getInt(keyAttr,
+                R.styleable.Keyboard_Key_keyIconPreview, KeyboardIconsSet.ICON_UNDEFINED));
+        mIcon = iconsSet.getIcon(style.getInt(keyAttr, R.styleable.Keyboard_Key_keyIcon,
+                KeyboardIconsSet.ICON_UNDEFINED));
+        final int shiftedIconId = style.getInt(keyAttr, R.styleable.Keyboard_Key_keyIconShifted,
+                KeyboardIconsSet.ICON_UNDEFINED);
+        if (shiftedIconId != KeyboardIconsSet.ICON_UNDEFINED) {
+            final Drawable shiftedIcon = iconsSet.getIcon(shiftedIconId);
+            params.addShiftedIcon(this, shiftedIcon);
         }
+        mHintLabel = style.getText(keyAttr, R.styleable.Keyboard_Key_keyHintLabel);
+
+        mLabel = style.getText(keyAttr, R.styleable.Keyboard_Key_keyLabel);
+        mLabelOption = style.getFlag(keyAttr, R.styleable.Keyboard_Key_keyLabelOption, 0);
+        mOutputText = style.getText(keyAttr, R.styleable.Keyboard_Key_keyOutputText);
+        // Choose the first letter of the label as primary code if not
+        // specified.
+        final int code = style.getInt(keyAttr, R.styleable.Keyboard_Key_code,
+                Keyboard.CODE_UNSPECIFIED);
+        if (code == Keyboard.CODE_UNSPECIFIED && !TextUtils.isEmpty(mLabel)) {
+            final int firstChar = mLabel.charAt(0);
+            mCode = getRtlParenthesisCode(firstChar, params.mIsRtlKeyboard);
+        } else if (code != Keyboard.CODE_UNSPECIFIED) {
+            mCode = code;
+        } else {
+            mCode = Keyboard.CODE_DUMMY;
+        }
+
+        keyAttr.recycle();
     }
 
     public void addEdgeFlags(int flags) {
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardBuilder.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardBuilder.java
index ff26b5977..5336ea909 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardBuilder.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardBuilder.java
@@ -218,14 +218,14 @@ public class KeyboardBuilder<KP extends KeyboardParams> {
             final int displayHeight = mDisplayMetrics.heightPixels;
             final int keyboardHeight = (int)keyboardAttr.getDimension(
                     R.styleable.Keyboard_keyboardHeight, displayHeight / 2);
-            final int maxKeyboardHeight = getDimensionOrFraction(keyboardAttr,
+            final int maxKeyboardHeight = (int)getDimensionOrFraction(keyboardAttr,
                     R.styleable.Keyboard_maxKeyboardHeight, displayHeight, displayHeight / 2);
-            int minKeyboardHeight = getDimensionOrFraction(keyboardAttr,
+            int minKeyboardHeight = (int)getDimensionOrFraction(keyboardAttr,
                     R.styleable.Keyboard_minKeyboardHeight, displayHeight, displayHeight / 2);
             if (minKeyboardHeight < 0) {
                 // Specified fraction was negative, so it should be calculated against display
                 // width.
-                minKeyboardHeight = -getDimensionOrFraction(keyboardAttr,
+                minKeyboardHeight = -(int)getDimensionOrFraction(keyboardAttr,
                         R.styleable.Keyboard_minKeyboardHeight, displayWidth, displayWidth / 2);
             }
             // Keyboard height will not exceed maxKeyboardHeight and will not be less than
@@ -233,9 +233,9 @@ public class KeyboardBuilder<KP extends KeyboardParams> {
             mParams.mOccupiedHeight = Math.max(
                     Math.min(keyboardHeight, maxKeyboardHeight), minKeyboardHeight);
             mParams.mOccupiedWidth = mParams.mId.mWidth;
-            mParams.mTopPadding = getDimensionOrFraction(keyboardAttr,
+            mParams.mTopPadding = (int)getDimensionOrFraction(keyboardAttr,
                     R.styleable.Keyboard_keyboardTopPadding, mParams.mOccupiedHeight, 0);
-            mParams.mBottomPadding = getDimensionOrFraction(keyboardAttr,
+            mParams.mBottomPadding = (int)getDimensionOrFraction(keyboardAttr,
                     R.styleable.Keyboard_keyboardBottomPadding, mParams.mOccupiedHeight, 0);
 
             final int height = mParams.mOccupiedHeight;
@@ -243,13 +243,13 @@ public class KeyboardBuilder<KP extends KeyboardParams> {
                     - mParams.mHorizontalCenterPadding;
             mParams.mHeight = height;
             mParams.mWidth = width;
-            mParams.mDefaultKeyWidth = getDimensionOrFraction(keyboardAttr,
+            mParams.mDefaultKeyWidth = (int)getDimensionOrFraction(keyboardAttr,
                     R.styleable.Keyboard_keyWidth, width, width / 10);
-            mParams.mDefaultRowHeight = getDimensionOrFraction(keyboardAttr,
+            mParams.mDefaultRowHeight = (int)getDimensionOrFraction(keyboardAttr,
                     R.styleable.Keyboard_rowHeight, height, height / 4);
-            mParams.mHorizontalGap = getDimensionOrFraction(keyboardAttr,
+            mParams.mHorizontalGap = (int)getDimensionOrFraction(keyboardAttr,
                     R.styleable.Keyboard_horizontalGap, width, 0);
-            mParams.mVerticalGap = getDimensionOrFraction(keyboardAttr,
+            mParams.mVerticalGap = (int)getDimensionOrFraction(keyboardAttr,
                     R.styleable.Keyboard_verticalGap, height, 0);
 
             mParams.mIsRtlKeyboard = keyboardAttr.getBoolean(
@@ -384,13 +384,13 @@ public class KeyboardBuilder<KP extends KeyboardParams> {
             if (keyboardAttr.hasValue(R.styleable.Keyboard_horizontalGap))
                 throw new IllegalAttribute(parser, "horizontalGap");
             final int keyboardWidth = mParams.mWidth;
-            final int keyWidth = getDimensionOrFraction(keyboardAttr, R.styleable.Keyboard_keyWidth,
-                    keyboardWidth, row.mDefaultKeyWidth);
+            final float keyWidth = getDimensionOrFraction(keyboardAttr,
+                    R.styleable.Keyboard_keyWidth, keyboardWidth, row.mDefaultKeyWidth);
             keyboardAttr.recycle();
 
             final TypedArray keyAttr = mResources.obtainAttributes(Xml.asAttributeSet(parser),
                     R.styleable.Keyboard_Key);
-            int keyXPos = KeyboardBuilder.getDimensionOrFraction(keyAttr,
+            float keyXPos = getDimensionOrFraction(keyAttr,
                     R.styleable.Keyboard_Key_keyXPos, keyboardWidth, row.mCurrentX);
             if (keyXPos < 0) {
                 // If keyXPos is negative, the actual x-coordinate will be display_width + keyXPos.
@@ -688,24 +688,23 @@ public class KeyboardBuilder<KP extends KeyboardParams> {
     private void endKeyboard() {
     }
 
-    private void setSpacer(int keyXPos, int width, Row row) {
+    private void setSpacer(float keyXPos, float width, Row row) {
         row.mCurrentX = keyXPos + width;
         mLeftEdge = false;
         mRightEdgeKey = null;
     }
 
-    public static int getDimensionOrFraction(TypedArray a, int index, int base, int defValue) {
+    public static float getDimensionOrFraction(TypedArray a, int index, int base, float defValue) {
         final TypedValue value = a.peekValue(index);
         if (value == null)
             return defValue;
         if (isFractionValue(value)) {
-            // Round it to avoid values like 47.9999 from getting truncated
-            return Math.round(a.getFraction(index, base, base, defValue));
+            return a.getFraction(index, base, base, defValue);
         } else if (isDimensionValue(value)) {
-            return a.getDimensionPixelOffset(index, defValue);
+            return a.getDimension(index, defValue);
         } else if (isIntegerValue(value)) {
             // For enum value.
-            return a.getInt(index, defValue);
+            return a.getInt(index, 0);
         }
         return defValue;
     }
diff --git a/java/src/com/android/inputmethod/keyboard/internal/Row.java b/java/src/com/android/inputmethod/keyboard/internal/Row.java
index fdf1dec68..d81881d77 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/Row.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/Row.java
@@ -31,13 +31,13 @@ import com.android.inputmethod.latin.R;
  */
 public class Row {
     /** Default width of a key in this row. */
-    public final int mDefaultKeyWidth;
+    public final float mDefaultKeyWidth;
     /** Default height of a key in this row. */
     public final int mRowHeight;
 
     public final int mCurrentY;
     // Will be updated by {@link Key}'s constructor.
-    public int mCurrentX;
+    public float mCurrentX;
 
     public Row(Resources res, KeyboardParams params, XmlResourceParser parser, int y) {
         final int keyboardWidth = params.mWidth;
@@ -46,11 +46,11 @@ public class Row {
                 R.styleable.Keyboard);
         mDefaultKeyWidth = KeyboardBuilder.getDimensionOrFraction(a,
                 R.styleable.Keyboard_keyWidth, keyboardWidth, params.mDefaultKeyWidth);
-        mRowHeight = KeyboardBuilder.getDimensionOrFraction(a,
+        mRowHeight = (int)KeyboardBuilder.getDimensionOrFraction(a,
                 R.styleable.Keyboard_rowHeight, keyboardHeight, params.mDefaultRowHeight);
         a.recycle();
 
         mCurrentY = y;
-        mCurrentX = 0;
+        mCurrentX = 0.0f;
     }
 }