diff options
Diffstat (limited to 'java/src/com')
11 files changed, 850 insertions, 49 deletions
diff --git a/java/src/com/android/inputmethod/latin/BaseKeyboard.java b/java/src/com/android/inputmethod/latin/BaseKeyboard.java new file mode 100644 index 000000000..f1a08cb4a --- /dev/null +++ b/java/src/com/android/inputmethod/latin/BaseKeyboard.java @@ -0,0 +1,804 @@ +/* + * Copyright (C) 2010 Google Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may not + * use this file except in compliance with the License. You may obtain a copy of + * the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations under + * the License. + */ + +package com.android.inputmethod.latin; + +import org.xmlpull.v1.XmlPullParserException; + +import android.content.Context; +import android.content.res.Resources; +import android.content.res.TypedArray; +import android.content.res.XmlResourceParser; +import android.graphics.drawable.Drawable; +import android.text.TextUtils; +import android.util.Log; +import android.util.TypedValue; +import android.util.Xml; +import android.util.DisplayMetrics; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; +import java.util.StringTokenizer; + + +/** + * Loads an XML description of a keyboard and stores the attributes of the keys. A keyboard + * consists of rows of keys. + * <p>The layout file for a keyboard contains XML that looks like the following snippet:</p> + * <pre> + * <Keyboard + * latin:keyWidth="%10p" + * latin:keyHeight="50px" + * latin:horizontalGap="2px" + * latin:verticalGap="2px" > + * <Row latin:keyWidth="32px" > + * <Key latin:keyLabel="A" /> + * ... + * </Row> + * ... + * </Keyboard> + * </pre> + */ +public class BaseKeyboard { + + static final String TAG = "BaseKeyboard"; + + // Keyboard XML Tags + private static final String TAG_KEYBOARD = "Keyboard"; + private static final String TAG_ROW = "Row"; + private static final String TAG_KEY = "Key"; + + public static final int EDGE_LEFT = 0x01; + public static final int EDGE_RIGHT = 0x02; + public static final int EDGE_TOP = 0x04; + public static final int EDGE_BOTTOM = 0x08; + + public static final int KEYCODE_SHIFT = -1; + public static final int KEYCODE_MODE_CHANGE = -2; + public static final int KEYCODE_CANCEL = -3; + public static final int KEYCODE_DONE = -4; + public static final int KEYCODE_DELETE = -5; + public static final int KEYCODE_ALT = -6; + + /** Horizontal gap default for all rows */ + private int mDefaultHorizontalGap; + + /** Default key width */ + private int mDefaultWidth; + + /** Default key height */ + private int mDefaultHeight; + + /** Default gap between rows */ + private int mDefaultVerticalGap; + + /** Is the keyboard in the shifted state */ + private boolean mShifted; + + /** Key instance for the shift key, if present */ + private Key mShiftKey; + + /** Key index for the shift key, if present */ + private int mShiftKeyIndex = -1; + + /** Total height of the keyboard, including the padding and keys */ + private int mTotalHeight; + + /** + * Total width of the keyboard, including left side gaps and keys, but not any gaps on the + * right side. + */ + private int mTotalWidth; + + /** List of keys in this keyboard */ + private List<Key> mKeys; + + /** List of modifier keys such as Shift & Alt, if any */ + private List<Key> mModifierKeys; + + /** Width of the screen available to fit the keyboard */ + private int mDisplayWidth; + + /** Height of the screen */ + private int mDisplayHeight; + + /** Keyboard mode, or zero, if none. */ + private int mKeyboardMode; + + // Variables for pre-computing nearest keys. + + private static final int GRID_WIDTH = 10; + private static final int GRID_HEIGHT = 5; + private static final int GRID_SIZE = GRID_WIDTH * GRID_HEIGHT; + private int mCellWidth; + private int mCellHeight; + private int[][] mGridNeighbors; + private int mProximityThreshold; + /** Number of key widths from current touch point to search for nearest keys. */ + private static float SEARCH_DISTANCE = 1.8f; + + /** + * Container for keys in the keyboard. All keys in a row are at the same Y-coordinate. + * Some of the key size defaults can be overridden per row from what the {@link Keyboard} + * defines. + */ + public static class Row { + /** Default width of a key in this row. */ + public int defaultWidth; + /** Default height of a key in this row. */ + public int defaultHeight; + /** Default horizontal gap between keys in this row. */ + public int defaultHorizontalGap; + /** Vertical gap following this row. */ + public int verticalGap; + /** + * Edge flags for this row of keys. Possible values that can be assigned are + * {@link Keyboard#EDGE_TOP EDGE_TOP} and {@link Keyboard#EDGE_BOTTOM EDGE_BOTTOM} + */ + public int rowEdgeFlags; + + /** The keyboard mode for this row */ + public int mode; + + private BaseKeyboard parent; + + public Row(BaseKeyboard parent) { + this.parent = parent; + } + + public Row(Resources res, BaseKeyboard parent, XmlResourceParser parser) { + this.parent = parent; + TypedArray a = res.obtainAttributes(Xml.asAttributeSet(parser), + R.styleable.BaseKeyboard); + defaultWidth = getDimensionOrFraction(a, + R.styleable.BaseKeyboard_keyWidth, + parent.mDisplayWidth, parent.mDefaultWidth); + defaultHeight = getDimensionOrFraction(a, + R.styleable.BaseKeyboard_keyHeight, + parent.mDisplayHeight, parent.mDefaultHeight); + defaultHorizontalGap = getDimensionOrFraction(a, + R.styleable.BaseKeyboard_horizontalGap, + parent.mDisplayWidth, parent.mDefaultHorizontalGap); + verticalGap = getDimensionOrFraction(a, + R.styleable.BaseKeyboard_verticalGap, + parent.mDisplayHeight, parent.mDefaultVerticalGap); + a.recycle(); + a = res.obtainAttributes(Xml.asAttributeSet(parser), + R.styleable.BaseKeyboard_Row); + rowEdgeFlags = a.getInt(R.styleable.BaseKeyboard_Row_rowEdgeFlags, 0); + mode = a.getResourceId(R.styleable.BaseKeyboard_Row_keyboardMode, + 0); + } + } + + /** + * Class for describing the position and characteristics of a single key in the keyboard. + */ + public static class Key { + /** + * All the key codes (unicode or custom code) that this key could generate, zero'th + * being the most important. + */ + public int[] codes; + + /** Label to display */ + public CharSequence label; + + /** Icon to display instead of a label. Icon takes precedence over a label */ + public Drawable icon; + /** Preview version of the icon, for the preview popup */ + public Drawable iconPreview; + /** Width of the key, not including the gap */ + public int width; + /** Height of the key, not including the gap */ + public int height; + /** The horizontal gap before this key */ + public int gap; + /** Whether this key is sticky, i.e., a toggle key */ + public boolean sticky; + /** X coordinate of the key in the keyboard layout */ + public int x; + /** Y coordinate of the key in the keyboard layout */ + public int y; + /** The current pressed state of this key */ + public boolean pressed; + /** If this is a sticky key, is it on? */ + public boolean on; + /** Text to output when pressed. This can be multiple characters, like ".com" */ + public CharSequence text; + /** Popup characters */ + public CharSequence popupCharacters; + + /** + * Flags that specify the anchoring to edges of the keyboard for detecting touch events + * that are just out of the boundary of the key. This is a bit mask of + * {@link Keyboard#EDGE_LEFT}, {@link Keyboard#EDGE_RIGHT}, {@link Keyboard#EDGE_TOP} and + * {@link Keyboard#EDGE_BOTTOM}. + */ + public int edgeFlags; + /** Whether this is a modifier key, such as Shift or Alt */ + public boolean modifier; + /** The BaseKeyboard that this key belongs to */ + private BaseKeyboard keyboard; + /** + * If this key pops up a mini keyboard, this is the resource id for the XML layout for that + * keyboard. + */ + public int popupResId; + /** Whether this key repeats itself when held down */ + public boolean repeatable; + + + private final static int[] KEY_STATE_NORMAL_ON = { + android.R.attr.state_checkable, + android.R.attr.state_checked + }; + + private final static int[] KEY_STATE_PRESSED_ON = { + android.R.attr.state_pressed, + android.R.attr.state_checkable, + android.R.attr.state_checked + }; + + private final static int[] KEY_STATE_NORMAL_OFF = { + android.R.attr.state_checkable + }; + + private final static int[] KEY_STATE_PRESSED_OFF = { + android.R.attr.state_pressed, + android.R.attr.state_checkable + }; + + private final static int[] KEY_STATE_NORMAL = { + }; + + private final static int[] KEY_STATE_PRESSED = { + android.R.attr.state_pressed + }; + + /** Create an empty key with no attributes. */ + public Key(Row parent) { + keyboard = parent.parent; + height = parent.defaultHeight; + width = parent.defaultWidth; + gap = parent.defaultHorizontalGap; + edgeFlags = parent.rowEdgeFlags; + } + + /** Create a key with the given top-left coordinate and extract its attributes from + * the XML parser. + * @param res resources associated with the caller's context + * @param parent the row that this key belongs to. The row must already be attached to + * a {@link Keyboard}. + * @param x the x coordinate of the top-left + * @param y the y coordinate of the top-left + * @param parser the XML parser containing the attributes for this key + */ + public Key(Resources res, Row parent, int x, int y, XmlResourceParser parser) { + this(parent); + + this.x = x; + this.y = y; + + TypedArray a = res.obtainAttributes(Xml.asAttributeSet(parser), + R.styleable.BaseKeyboard); + + width = getDimensionOrFraction(a, + R.styleable.BaseKeyboard_keyWidth, + keyboard.mDisplayWidth, parent.defaultWidth); + height = getDimensionOrFraction(a, + R.styleable.BaseKeyboard_keyHeight, + keyboard.mDisplayHeight, parent.defaultHeight); + gap = getDimensionOrFraction(a, + R.styleable.BaseKeyboard_horizontalGap, + keyboard.mDisplayWidth, parent.defaultHorizontalGap); + a.recycle(); + a = res.obtainAttributes(Xml.asAttributeSet(parser), + R.styleable.BaseKeyboard_Key); + this.x += gap; + TypedValue codesValue = new TypedValue(); + a.getValue(R.styleable.BaseKeyboard_Key_codes, + codesValue); + if (codesValue.type == TypedValue.TYPE_INT_DEC + || codesValue.type == TypedValue.TYPE_INT_HEX) { + codes = new int[] { codesValue.data }; + } else if (codesValue.type == TypedValue.TYPE_STRING) { + codes = parseCSV(codesValue.string.toString()); + } + + iconPreview = a.getDrawable(R.styleable.BaseKeyboard_Key_iconPreview); + if (iconPreview != null) { + iconPreview.setBounds(0, 0, iconPreview.getIntrinsicWidth(), + iconPreview.getIntrinsicHeight()); + } + popupCharacters = a.getText( + R.styleable.BaseKeyboard_Key_popupCharacters); + popupResId = a.getResourceId( + R.styleable.BaseKeyboard_Key_popupKeyboard, 0); + repeatable = a.getBoolean( + R.styleable.BaseKeyboard_Key_isRepeatable, false); + modifier = a.getBoolean( + R.styleable.BaseKeyboard_Key_isModifier, false); + sticky = a.getBoolean( + R.styleable.BaseKeyboard_Key_isSticky, false); + edgeFlags = a.getInt(R.styleable.BaseKeyboard_Key_keyEdgeFlags, 0); + edgeFlags |= parent.rowEdgeFlags; + + icon = a.getDrawable( + R.styleable.BaseKeyboard_Key_keyIcon); + if (icon != null) { + icon.setBounds(0, 0, icon.getIntrinsicWidth(), icon.getIntrinsicHeight()); + } + label = a.getText(R.styleable.BaseKeyboard_Key_keyLabel); + text = a.getText(R.styleable.BaseKeyboard_Key_keyOutputText); + + if (codes == null && !TextUtils.isEmpty(label)) { + codes = new int[] { label.charAt(0) }; + } + a.recycle(); + } + + /** + * Informs the key that it has been pressed, in case it needs to change its appearance or + * state. + * @see #onReleased(boolean) + */ + public void onPressed() { + pressed = !pressed; + } + + /** + * Changes the pressed state of the key. If it is a sticky key, it will also change the + * toggled state of the key if the finger was release inside. + * @param inside whether the finger was released inside the key + * @see #onPressed() + */ + public void onReleased(boolean inside) { + pressed = !pressed; + if (sticky) { + on = !on; + } + } + + int[] parseCSV(String value) { + int count = 0; + int lastIndex = 0; + if (value.length() > 0) { + count++; + while ((lastIndex = value.indexOf(",", lastIndex + 1)) > 0) { + count++; + } + } + int[] values = new int[count]; + count = 0; + StringTokenizer st = new StringTokenizer(value, ","); + while (st.hasMoreTokens()) { + try { + values[count++] = Integer.parseInt(st.nextToken()); + } catch (NumberFormatException nfe) { + Log.e(TAG, "Error parsing keycodes " + value); + } + } + return values; + } + + /** + * Detects if a point falls inside this key. + * @param x the x-coordinate of the point + * @param y the y-coordinate of the point + * @return whether or not the point falls inside the key. If the key is attached to an edge, + * it will assume that all points between the key and the edge are considered to be inside + * the key. + */ + public boolean isInside(int x, int y) { + boolean leftEdge = (edgeFlags & EDGE_LEFT) > 0; + boolean rightEdge = (edgeFlags & EDGE_RIGHT) > 0; + boolean topEdge = (edgeFlags & EDGE_TOP) > 0; + boolean bottomEdge = (edgeFlags & EDGE_BOTTOM) > 0; + if ((x >= this.x || (leftEdge && x <= this.x + this.width)) + && (x < this.x + this.width || (rightEdge && x >= this.x)) + && (y >= this.y || (topEdge && y <= this.y + this.height)) + && (y < this.y + this.height || (bottomEdge && y >= this.y))) { + return true; + } else { + return false; + } + } + + /** + * Returns the square of the distance between the center of the key and the given point. + * @param x the x-coordinate of the point + * @param y the y-coordinate of the point + * @return the square of the distance of the point from the center of the key + */ + public int squaredDistanceFrom(int x, int y) { + int xDist = this.x + width / 2 - x; + int yDist = this.y + height / 2 - y; + return xDist * xDist + yDist * yDist; + } + + /** + * Returns the drawable state for the key, based on the current state and type of the key. + * @return the drawable state of the key. + * @see android.graphics.drawable.StateListDrawable#setState(int[]) + */ + public int[] getCurrentDrawableState() { + int[] states = KEY_STATE_NORMAL; + + if (on) { + if (pressed) { + states = KEY_STATE_PRESSED_ON; + } else { + states = KEY_STATE_NORMAL_ON; + } + } else { + if (sticky) { + if (pressed) { + states = KEY_STATE_PRESSED_OFF; + } else { + states = KEY_STATE_NORMAL_OFF; + } + } else { + if (pressed) { + states = KEY_STATE_PRESSED; + } + } + } + return states; + } + } + + /** + * Creates a keyboard from the given xml key layout file. + * @param context the application or service context + * @param xmlLayoutResId the resource file that contains the keyboard layout and keys. + */ + public BaseKeyboard(Context context, int xmlLayoutResId) { + this(context, xmlLayoutResId, 0); + } + + /** + * Creates a keyboard from the given xml key layout file. Weeds out rows + * that have a keyboard mode defined but don't match the specified mode. + * @param context the application or service context + * @param xmlLayoutResId the resource file that contains the keyboard layout and keys. + * @param modeId keyboard mode identifier + * @param width sets width of keyboard + * @param height sets height of keyboard + */ + public BaseKeyboard(Context context, int xmlLayoutResId, int modeId, int width, int height) { + mDisplayWidth = width; + mDisplayHeight = height; + + mDefaultHorizontalGap = 0; + mDefaultWidth = mDisplayWidth / 10; + mDefaultVerticalGap = 0; + mDefaultHeight = mDefaultWidth; + mKeys = new ArrayList<Key>(); + mModifierKeys = new ArrayList<Key>(); + mKeyboardMode = modeId; + loadKeyboard(context, context.getResources().getXml(xmlLayoutResId)); + } + + /** + * Creates a keyboard from the given xml key layout file. Weeds out rows + * that have a keyboard mode defined but don't match the specified mode. + * @param context the application or service context + * @param xmlLayoutResId the resource file that contains the keyboard layout and keys. + * @param modeId keyboard mode identifier + */ + public BaseKeyboard(Context context, int xmlLayoutResId, int modeId) { + DisplayMetrics dm = context.getResources().getDisplayMetrics(); + mDisplayWidth = dm.widthPixels; + mDisplayHeight = dm.heightPixels; + //Log.v(TAG, "keyboard's display metrics:" + dm); + + mDefaultHorizontalGap = 0; + mDefaultWidth = mDisplayWidth / 10; + mDefaultVerticalGap = 0; + mDefaultHeight = mDefaultWidth; + mKeys = new ArrayList<Key>(); + mModifierKeys = new ArrayList<Key>(); + mKeyboardMode = modeId; + loadKeyboard(context, context.getResources().getXml(xmlLayoutResId)); + } + + /** + * <p>Creates a blank keyboard from the given resource file and populates it with the specified + * characters in left-to-right, top-to-bottom fashion, using the specified number of columns. + * </p> + * <p>If the specified number of columns is -1, then the keyboard will fit as many keys as + * possible in each row.</p> + * @param context the application or service context + * @param layoutTemplateResId the layout template file, containing no keys. + * @param characters the list of characters to display on the keyboard. One key will be created + * for each character. + * @param columns the number of columns of keys to display. If this number is greater than the + * number of keys that can fit in a row, it will be ignored. If this number is -1, the + * keyboard will fit as many keys as possible in each row. + */ + public BaseKeyboard(Context context, int layoutTemplateResId, + CharSequence characters, int columns, int horizontalPadding) { + this(context, layoutTemplateResId); + int x = 0; + int y = 0; + int column = 0; + mTotalWidth = 0; + + Row row = new Row(this); + row.defaultHeight = mDefaultHeight; + row.defaultWidth = mDefaultWidth; + row.defaultHorizontalGap = mDefaultHorizontalGap; + row.verticalGap = mDefaultVerticalGap; + row.rowEdgeFlags = EDGE_TOP | EDGE_BOTTOM; + final int maxColumns = columns == -1 ? Integer.MAX_VALUE : columns; + for (int i = 0; i < characters.length(); i++) { + char c = characters.charAt(i); + if (column >= maxColumns + || x + mDefaultWidth + horizontalPadding > mDisplayWidth) { + x = 0; + y += mDefaultVerticalGap + mDefaultHeight; + column = 0; + } + final Key key = new Key(row); + key.x = x; + key.y = y; + key.label = String.valueOf(c); + key.codes = new int[] { c }; + column++; + x += key.width + key.gap; + mKeys.add(key); + if (x > mTotalWidth) { + mTotalWidth = x; + } + } + mTotalHeight = y + mDefaultHeight; + } + + public List<Key> getKeys() { + return mKeys; + } + + public List<Key> getModifierKeys() { + return mModifierKeys; + } + + protected int getHorizontalGap() { + return mDefaultHorizontalGap; + } + + protected void setHorizontalGap(int gap) { + mDefaultHorizontalGap = gap; + } + + protected int getVerticalGap() { + return mDefaultVerticalGap; + } + + protected void setVerticalGap(int gap) { + mDefaultVerticalGap = gap; + } + + protected int getKeyHeight() { + return mDefaultHeight; + } + + protected void setKeyHeight(int height) { + mDefaultHeight = height; + } + + protected int getKeyWidth() { + return mDefaultWidth; + } + + protected void setKeyWidth(int width) { + mDefaultWidth = width; + } + + /** + * Returns the total height of the keyboard + * @return the total height of the keyboard + */ + public int getHeight() { + return mTotalHeight; + } + + public int getMinWidth() { + return mTotalWidth; + } + + public boolean setShifted(boolean shiftState) { + if (mShiftKey != null) { + mShiftKey.on = shiftState; + } + if (mShifted != shiftState) { + mShifted = shiftState; + return true; + } + return false; + } + + public boolean isShifted() { + return mShifted; + } + + public int getShiftKeyIndex() { + return mShiftKeyIndex; + } + + private void computeNearestNeighbors() { + // Round-up so we don't have any pixels outside the grid + mCellWidth = (getMinWidth() + GRID_WIDTH - 1) / GRID_WIDTH; + mCellHeight = (getHeight() + GRID_HEIGHT - 1) / GRID_HEIGHT; + mGridNeighbors = new int[GRID_SIZE][]; + int[] indices = new int[mKeys.size()]; + final int gridWidth = GRID_WIDTH * mCellWidth; + final int gridHeight = GRID_HEIGHT * mCellHeight; + for (int x = 0; x < gridWidth; x += mCellWidth) { + for (int y = 0; y < gridHeight; y += mCellHeight) { + int count = 0; + for (int i = 0; i < mKeys.size(); i++) { + final Key key = mKeys.get(i); + if (key.squaredDistanceFrom(x, y) < mProximityThreshold || + key.squaredDistanceFrom(x + mCellWidth - 1, y) < mProximityThreshold || + key.squaredDistanceFrom(x + mCellWidth - 1, y + mCellHeight - 1) + < mProximityThreshold || + key.squaredDistanceFrom(x, y + mCellHeight - 1) < mProximityThreshold) { + indices[count++] = i; + } + } + int [] cell = new int[count]; + System.arraycopy(indices, 0, cell, 0, count); + mGridNeighbors[(y / mCellHeight) * GRID_WIDTH + (x / mCellWidth)] = cell; + } + } + } + + /** + * Returns the indices of the keys that are closest to the given point. + * @param x the x-coordinate of the point + * @param y the y-coordinate of the point + * @return the array of integer indices for the nearest keys to the given point. If the given + * point is out of range, then an array of size zero is returned. + */ + public int[] getNearestKeys(int x, int y) { + if (mGridNeighbors == null) computeNearestNeighbors(); + if (x >= 0 && x < getMinWidth() && y >= 0 && y < getHeight()) { + int index = (y / mCellHeight) * GRID_WIDTH + (x / mCellWidth); + if (index < GRID_SIZE) { + return mGridNeighbors[index]; + } + } + return new int[0]; + } + + protected Row createRowFromXml(Resources res, XmlResourceParser parser) { + return new Row(res, this, parser); + } + + protected Key createKeyFromXml(Resources res, Row parent, int x, int y, + XmlResourceParser parser) { + return new Key(res, parent, x, y, parser); + } + + private void loadKeyboard(Context context, XmlResourceParser parser) { + boolean inKey = false; + boolean inRow = false; + int row = 0; + int x = 0; + int y = 0; + Key key = null; + Row currentRow = null; + Resources res = context.getResources(); + boolean skipRow = false; + + try { + int event; + while ((event = parser.next()) != XmlResourceParser.END_DOCUMENT) { + if (event == XmlResourceParser.START_TAG) { + String tag = parser.getName(); + if (TAG_ROW.equals(tag)) { + inRow = true; + x = 0; + currentRow = createRowFromXml(res, parser); + skipRow = currentRow.mode != 0 && currentRow.mode != mKeyboardMode; + if (skipRow) { + skipToEndOfRow(parser); + inRow = false; + } + } else if (TAG_KEY.equals(tag)) { + inKey = true; + key = createKeyFromXml(res, currentRow, x, y, parser); + mKeys.add(key); + if (key.codes[0] == KEYCODE_SHIFT) { + mShiftKey = key; + mShiftKeyIndex = mKeys.size()-1; + mModifierKeys.add(key); + } else if (key.codes[0] == KEYCODE_ALT) { + mModifierKeys.add(key); + } + } else if (TAG_KEYBOARD.equals(tag)) { + parseKeyboardAttributes(res, parser); + } + } else if (event == XmlResourceParser.END_TAG) { + if (inKey) { + inKey = false; + x += key.gap + key.width; + if (x > mTotalWidth) { + mTotalWidth = x; + } + } else if (inRow) { + inRow = false; + y += currentRow.verticalGap; + y += currentRow.defaultHeight; + row++; + } else { + // TODO: error or extend? + } + } + } + } catch (Exception e) { + Log.e(TAG, "Parse error:" + e); + e.printStackTrace(); + } + mTotalHeight = y - mDefaultVerticalGap; + } + + private void skipToEndOfRow(XmlResourceParser parser) + throws XmlPullParserException, IOException { + int event; + while ((event = parser.next()) != XmlResourceParser.END_DOCUMENT) { + if (event == XmlResourceParser.END_TAG + && parser.getName().equals(TAG_ROW)) { + break; + } + } + } + + private void parseKeyboardAttributes(Resources res, XmlResourceParser parser) { + TypedArray a = res.obtainAttributes(Xml.asAttributeSet(parser), + R.styleable.BaseKeyboard); + + mDefaultWidth = getDimensionOrFraction(a, + R.styleable.BaseKeyboard_keyWidth, + mDisplayWidth, mDisplayWidth / 10); + mDefaultHeight = getDimensionOrFraction(a, + R.styleable.BaseKeyboard_keyHeight, + mDisplayHeight, 50); + mDefaultHorizontalGap = getDimensionOrFraction(a, + R.styleable.BaseKeyboard_horizontalGap, + mDisplayWidth, 0); + mDefaultVerticalGap = getDimensionOrFraction(a, + R.styleable.BaseKeyboard_verticalGap, + mDisplayHeight, 0); + mProximityThreshold = (int) (mDefaultWidth * SEARCH_DISTANCE); + mProximityThreshold = mProximityThreshold * mProximityThreshold; + a.recycle(); + } + + static int getDimensionOrFraction(TypedArray a, int index, int base, int defValue) { + TypedValue value = a.peekValue(index); + if (value == null) return defValue; + if (value.type == TypedValue.TYPE_DIMENSION) { + return a.getDimensionPixelOffset(index, defValue); + } else if (value.type == TypedValue.TYPE_FRACTION) { + // Round it to avoid values like 47.9999 from getting truncated + return Math.round(a.getFraction(index, base, base, defValue)); + } + return defValue; + } +} diff --git a/java/src/com/android/inputmethod/latin/KeyDetector.java b/java/src/com/android/inputmethod/latin/KeyDetector.java index 76fe1200e..3902b60a3 100644 --- a/java/src/com/android/inputmethod/latin/KeyDetector.java +++ b/java/src/com/android/inputmethod/latin/KeyDetector.java @@ -16,14 +16,13 @@ package com.android.inputmethod.latin; -import android.inputmethodservice.Keyboard; -import android.inputmethodservice.Keyboard.Key; +import com.android.inputmethod.latin.BaseKeyboard.Key; import java.util.Arrays; import java.util.List; abstract class KeyDetector { - protected Keyboard mKeyboard; + protected BaseKeyboard mKeyboard; private Key[] mKeys; @@ -35,7 +34,7 @@ abstract class KeyDetector { protected int mProximityThresholdSquare; - public Key[] setKeyboard(Keyboard keyboard, float correctionX, float correctionY) { + public Key[] setKeyboard(BaseKeyboard keyboard, float correctionX, float correctionY) { if (keyboard == null) throw new NullPointerException(); mCorrectionX = (int)correctionX; diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java index 692183dbf..b41c2aa23 100644 --- a/java/src/com/android/inputmethod/latin/LatinIME.java +++ b/java/src/com/android/inputmethod/latin/LatinIME.java @@ -34,7 +34,6 @@ import android.content.res.Configuration; import android.content.res.Resources; import android.content.res.XmlResourceParser; import android.inputmethodservice.InputMethodService; -import android.inputmethodservice.Keyboard; import android.media.AudioManager; import android.os.Debug; import android.os.Handler; @@ -1170,29 +1169,29 @@ public class LatinIME extends InputMethodService public void onKey(int primaryCode, int[] keyCodes, int x, int y) { long when = SystemClock.uptimeMillis(); - if (primaryCode != Keyboard.KEYCODE_DELETE || + if (primaryCode != BaseKeyboard.KEYCODE_DELETE || when > mLastKeyTime + QUICK_PRESS) { mDeleteCount = 0; } mLastKeyTime = when; final boolean distinctMultiTouch = mKeyboardSwitcher.hasDistinctMultitouch(); switch (primaryCode) { - case Keyboard.KEYCODE_DELETE: + case BaseKeyboard.KEYCODE_DELETE: handleBackspace(); mDeleteCount++; LatinImeLogger.logOnDelete(); break; - case Keyboard.KEYCODE_SHIFT: + case BaseKeyboard.KEYCODE_SHIFT: // Shift key is handled in onPress() when device has distinct multi-touch panel. if (!distinctMultiTouch) handleShift(); break; - case Keyboard.KEYCODE_MODE_CHANGE: + case BaseKeyboard.KEYCODE_MODE_CHANGE: // Symbol key is handled in onPress() when device has distinct multi-touch panel. if (!distinctMultiTouch) changeKeyboardMode(); break; - case Keyboard.KEYCODE_CANCEL: + case BaseKeyboard.KEYCODE_CANCEL: if (!isShowingOptionDialog()) { handleClose(); } @@ -2266,10 +2265,10 @@ public class LatinIME extends InputMethodService vibrate(); playKeyClick(primaryCode); final boolean distinctMultiTouch = mKeyboardSwitcher.hasDistinctMultitouch(); - if (distinctMultiTouch && primaryCode == Keyboard.KEYCODE_SHIFT) { + if (distinctMultiTouch && primaryCode == BaseKeyboard.KEYCODE_SHIFT) { mShiftKeyState.onPress(); handleShift(); - } else if (distinctMultiTouch && primaryCode == Keyboard.KEYCODE_MODE_CHANGE) { + } else if (distinctMultiTouch && primaryCode == BaseKeyboard.KEYCODE_MODE_CHANGE) { mSymbolKeyState.onPress(); changeKeyboardMode(); } else { @@ -2283,11 +2282,11 @@ public class LatinIME extends InputMethodService ((LatinKeyboard) mKeyboardSwitcher.getInputView().getKeyboard()).keyReleased(); //vibrate(); final boolean distinctMultiTouch = mKeyboardSwitcher.hasDistinctMultitouch(); - if (distinctMultiTouch && primaryCode == Keyboard.KEYCODE_SHIFT) { + if (distinctMultiTouch && primaryCode == BaseKeyboard.KEYCODE_SHIFT) { if (mShiftKeyState.isMomentary()) resetShift(); mShiftKeyState.onRelease(); - } else if (distinctMultiTouch && primaryCode == Keyboard.KEYCODE_MODE_CHANGE) { + } else if (distinctMultiTouch && primaryCode == BaseKeyboard.KEYCODE_MODE_CHANGE) { if (mSymbolKeyState.isMomentary()) changeKeyboardMode(); mSymbolKeyState.onRelease(); @@ -2346,7 +2345,7 @@ public class LatinIME extends InputMethodService // FIXME: These should be triggered after auto-repeat logic int sound = AudioManager.FX_KEYPRESS_STANDARD; switch (primaryCode) { - case Keyboard.KEYCODE_DELETE: + case BaseKeyboard.KEYCODE_DELETE: sound = AudioManager.FX_KEYPRESS_DELETE; break; case KEYCODE_ENTER: diff --git a/java/src/com/android/inputmethod/latin/LatinImeLogger.java b/java/src/com/android/inputmethod/latin/LatinImeLogger.java index a8ab9cc98..dd7bc8ac1 100644 --- a/java/src/com/android/inputmethod/latin/LatinImeLogger.java +++ b/java/src/com/android/inputmethod/latin/LatinImeLogger.java @@ -20,7 +20,6 @@ import com.android.inputmethod.latin.Dictionary.DataType; import android.content.Context; import android.content.SharedPreferences; -import android.inputmethodservice.Keyboard; import java.util.List; public class LatinImeLogger implements SharedPreferences.OnSharedPreferenceChangeListener { @@ -65,7 +64,7 @@ public class LatinImeLogger implements SharedPreferences.OnSharedPreferenceChang public static void onAddSuggestedWord(String word, int typeId, DataType dataType) { } - public static void onSetKeyboard(Keyboard kb) { + public static void onSetKeyboard(BaseKeyboard kb) { } } diff --git a/java/src/com/android/inputmethod/latin/LatinKeyboard.java b/java/src/com/android/inputmethod/latin/LatinKeyboard.java index 31394d1cc..9c252e6c6 100644 --- a/java/src/com/android/inputmethod/latin/LatinKeyboard.java +++ b/java/src/com/android/inputmethod/latin/LatinKeyboard.java @@ -30,7 +30,6 @@ import android.graphics.PorterDuff; import android.graphics.Rect; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; -import android.inputmethodservice.Keyboard; import android.text.TextPaint; import android.util.Log; import android.view.ViewConfiguration; @@ -41,7 +40,7 @@ import java.util.HashMap; import java.util.List; import java.util.Locale; -public class LatinKeyboard extends Keyboard { +public class LatinKeyboard extends BaseKeyboard { private static final boolean DEBUG_PREFERRED_LETTER = false; private static final String TAG = "LatinKeyboard"; @@ -744,7 +743,7 @@ public class LatinKeyboard extends Keyboard { return textSize; } - class LatinKey extends Keyboard.Key { + class LatinKey extends BaseKeyboard.Key { // functional normal state (with properties) private final int[] KEY_STATE_FUNCTIONAL_NORMAL = { @@ -759,7 +758,7 @@ public class LatinKeyboard extends Keyboard { private boolean mShiftLockEnabled; - public LatinKey(Resources res, Keyboard.Row parent, int x, int y, + public LatinKey(Resources res, BaseKeyboard.Row parent, int x, int y, XmlResourceParser parser) { super(res, parent, x, y, parser); if (popupCharacters != null && popupCharacters.length() == 0) { diff --git a/java/src/com/android/inputmethod/latin/LatinKeyboardBaseView.java b/java/src/com/android/inputmethod/latin/LatinKeyboardBaseView.java index 75ef691c8..264e2f18f 100644 --- a/java/src/com/android/inputmethod/latin/LatinKeyboardBaseView.java +++ b/java/src/com/android/inputmethod/latin/LatinKeyboardBaseView.java @@ -16,6 +16,8 @@ package com.android.inputmethod.latin; +import com.android.inputmethod.latin.BaseKeyboard.Key; + import android.content.Context; import android.content.pm.PackageManager; import android.content.res.Resources; @@ -29,8 +31,6 @@ import android.graphics.Rect; import android.graphics.Region.Op; import android.graphics.Typeface; import android.graphics.drawable.Drawable; -import android.inputmethodservice.Keyboard; -import android.inputmethodservice.Keyboard.Key; import android.os.Handler; import android.os.Message; import android.os.SystemClock; @@ -177,7 +177,7 @@ public class LatinKeyboardBaseView extends View implements PointerTracker.UIProx private int mPopupLayout; // Main keyboard - private Keyboard mKeyboard; + private BaseKeyboard mKeyboard; private Key[] mKeys; // Key preview popup @@ -566,7 +566,7 @@ public class LatinKeyboardBaseView extends View implements PointerTracker.UIProx * @see #getKeyboard() * @param keyboard the keyboard to display in this view */ - public void setKeyboard(Keyboard keyboard) { + public void setKeyboard(BaseKeyboard keyboard) { if (mKeyboard != null) { dismissKeyPreview(); } @@ -593,7 +593,7 @@ public class LatinKeyboardBaseView extends View implements PointerTracker.UIProx * @return the currently attached keyboard * @see #setKeyboard(Keyboard) */ - public Keyboard getKeyboard() { + public BaseKeyboard getKeyboard() { return mKeyboard; } @@ -713,7 +713,7 @@ public class LatinKeyboardBaseView extends View implements PointerTracker.UIProx * the touch distance from a key's center to avoid taking a square root. * @param keyboard */ - private void computeProximityThreshold(Keyboard keyboard) { + private void computeProximityThreshold(BaseKeyboard keyboard) { if (keyboard == null) return; final Key[] keys = mKeys; if (keys == null) return; @@ -1072,12 +1072,12 @@ public class LatinKeyboardBaseView extends View implements PointerTracker.UIProx // Override default ProximityKeyDetector. miniKeyboard.mKeyDetector = new MiniKeyboardKeyDetector(mMiniKeyboardSlideAllowance); - Keyboard keyboard; + BaseKeyboard keyboard; if (popupKey.popupCharacters != null) { - keyboard = new Keyboard(getContext(), popupKeyboardId, popupKey.popupCharacters, + keyboard = new BaseKeyboard(getContext(), popupKeyboardId, popupKey.popupCharacters, -1, getPaddingLeft() + getPaddingRight()); } else { - keyboard = new Keyboard(getContext(), popupKeyboardId); + keyboard = new BaseKeyboard(getContext(), popupKeyboardId); } miniKeyboard.setKeyboard(keyboard); miniKeyboard.setPopupParent(this); @@ -1088,7 +1088,7 @@ public class LatinKeyboardBaseView extends View implements PointerTracker.UIProx return container; } - private static boolean isOneRowKeyboard(Keyboard keyboard) { + private static boolean isOneRowKeyboard(BaseKeyboard keyboard) { final List<Key> keys = keyboard.getKeys(); if (keys.size() == 0) return false; final int edgeFlags = keys.get(0).edgeFlags; @@ -1098,7 +1098,8 @@ public class LatinKeyboardBaseView extends View implements PointerTracker.UIProx // and bottom edge flags on. // When you want to use one row mini-keyboard from xml file, make sure that the row has // both top and bottom edge flags set. - return (edgeFlags & Keyboard.EDGE_TOP) != 0 && (edgeFlags & Keyboard.EDGE_BOTTOM) != 0; + return (edgeFlags & BaseKeyboard.EDGE_TOP) != 0 + && (edgeFlags & BaseKeyboard.EDGE_BOTTOM) != 0; } /** diff --git a/java/src/com/android/inputmethod/latin/LatinKeyboardView.java b/java/src/com/android/inputmethod/latin/LatinKeyboardView.java index 22d39f7aa..912af7e2a 100644 --- a/java/src/com/android/inputmethod/latin/LatinKeyboardView.java +++ b/java/src/com/android/inputmethod/latin/LatinKeyboardView.java @@ -16,11 +16,11 @@ package com.android.inputmethod.latin; +import com.android.inputmethod.latin.BaseKeyboard.Key; + import android.content.Context; import android.graphics.Canvas; import android.graphics.Paint; -import android.inputmethodservice.Keyboard; -import android.inputmethodservice.Keyboard.Key; import android.os.Handler; import android.os.Message; import android.os.SystemClock; @@ -39,7 +39,7 @@ public class LatinKeyboardView extends LatinKeyboardBaseView { static final int KEYCODE_NEXT_LANGUAGE = -104; static final int KEYCODE_PREV_LANGUAGE = -105; - private Keyboard mPhoneKeyboard; + private BaseKeyboard mPhoneKeyboard; /** Whether we've started dropping move events because we found a big jump */ private boolean mDroppingEvents; @@ -61,7 +61,7 @@ public class LatinKeyboardView extends LatinKeyboardBaseView { super(context, attrs, defStyle); } - public void setPhoneKeyboard(Keyboard phoneKeyboard) { + public void setPhoneKeyboard(BaseKeyboard phoneKeyboard) { mPhoneKeyboard = phoneKeyboard; } @@ -76,7 +76,7 @@ public class LatinKeyboardView extends LatinKeyboardBaseView { } @Override - public void setKeyboard(Keyboard k) { + public void setKeyboard(BaseKeyboard k) { super.setKeyboard(k); // One-seventh of the keyboard width seems like a reasonable threshold mJumpThresholdSquare = k.getMinWidth() / 7; @@ -108,7 +108,7 @@ public class LatinKeyboardView extends LatinKeyboardBaseView { @Override protected CharSequence adjustCase(CharSequence label) { - Keyboard keyboard = getKeyboard(); + BaseKeyboard keyboard = getKeyboard(); if (keyboard.isShifted() && keyboard instanceof LatinKeyboard && ((LatinKeyboard) keyboard).isAlphaKeyboard() @@ -120,7 +120,7 @@ public class LatinKeyboardView extends LatinKeyboardBaseView { } public boolean setShiftLocked(boolean shiftLocked) { - Keyboard keyboard = getKeyboard(); + BaseKeyboard keyboard = getKeyboard(); if (keyboard instanceof LatinKeyboard) { ((LatinKeyboard)keyboard).setShiftLocked(shiftLocked); invalidateAllKeys(); @@ -257,7 +257,7 @@ public class LatinKeyboardView extends LatinKeyboardBaseView { private int mLastY; private Paint mPaint; - private void setKeyboardLocal(Keyboard k) { + private void setKeyboardLocal(BaseKeyboard k) { if (DEBUG_AUTO_PLAY) { findKeys(); if (mHandler2 == null) { diff --git a/java/src/com/android/inputmethod/latin/MiniKeyboardKeyDetector.java b/java/src/com/android/inputmethod/latin/MiniKeyboardKeyDetector.java index 356e62d48..5f4c93734 100644 --- a/java/src/com/android/inputmethod/latin/MiniKeyboardKeyDetector.java +++ b/java/src/com/android/inputmethod/latin/MiniKeyboardKeyDetector.java @@ -16,7 +16,7 @@ package com.android.inputmethod.latin; -import android.inputmethodservice.Keyboard.Key; +import com.android.inputmethod.latin.BaseKeyboard.Key; class MiniKeyboardKeyDetector extends KeyDetector { private static final int MAX_NEARBY_KEYS = 1; diff --git a/java/src/com/android/inputmethod/latin/PointerTracker.java b/java/src/com/android/inputmethod/latin/PointerTracker.java index b416a984c..cf4f7d5c2 100644 --- a/java/src/com/android/inputmethod/latin/PointerTracker.java +++ b/java/src/com/android/inputmethod/latin/PointerTracker.java @@ -16,11 +16,10 @@ package com.android.inputmethod.latin; +import com.android.inputmethod.latin.BaseKeyboard.Key; import com.android.inputmethod.latin.LatinKeyboardBaseView.OnKeyboardActionListener; import com.android.inputmethod.latin.LatinKeyboardBaseView.UIHandler; -import android.inputmethodservice.Keyboard; -import android.inputmethodservice.Keyboard.Key; import android.util.Log; import android.view.MotionEvent; import android.view.ViewConfiguration; @@ -45,7 +44,7 @@ public class PointerTracker { // Miscellaneous constants private static final int NOT_A_KEY = LatinKeyboardBaseView.NOT_A_KEY; - private static final int[] KEY_DELETE = { Keyboard.KEYCODE_DELETE }; + private static final int[] KEY_DELETE = { BaseKeyboard.KEYCODE_DELETE }; private final UIProxy mProxy; private final UIHandler mHandler; @@ -202,8 +201,8 @@ public class PointerTracker { if (key == null) return false; int primaryCode = key.codes[0]; - return primaryCode == Keyboard.KEYCODE_SHIFT - || primaryCode == Keyboard.KEYCODE_MODE_CHANGE; + return primaryCode == BaseKeyboard.KEYCODE_SHIFT + || primaryCode == BaseKeyboard.KEYCODE_MODE_CHANGE; } public boolean isModifier() { @@ -437,7 +436,7 @@ public class PointerTracker { // Multi-tap if (mInMultiTap) { if (mTapCount != -1) { - mListener.onKey(Keyboard.KEYCODE_DELETE, KEY_DELETE, x, y); + mListener.onKey(BaseKeyboard.KEYCODE_DELETE, KEY_DELETE, x, y); } else { mTapCount = 0; } diff --git a/java/src/com/android/inputmethod/latin/ProximityKeyDetector.java b/java/src/com/android/inputmethod/latin/ProximityKeyDetector.java index d17bedb56..a6ff8cf8c 100644 --- a/java/src/com/android/inputmethod/latin/ProximityKeyDetector.java +++ b/java/src/com/android/inputmethod/latin/ProximityKeyDetector.java @@ -16,7 +16,7 @@ package com.android.inputmethod.latin; -import android.inputmethodservice.Keyboard.Key; +import com.android.inputmethod.latin.BaseKeyboard.Key; import java.util.Arrays; diff --git a/java/src/com/android/inputmethod/latin/TextEntryState.java b/java/src/com/android/inputmethod/latin/TextEntryState.java index 9011191f1..1d7659ca3 100644 --- a/java/src/com/android/inputmethod/latin/TextEntryState.java +++ b/java/src/com/android/inputmethod/latin/TextEntryState.java @@ -16,8 +16,9 @@ package com.android.inputmethod.latin; +import com.android.inputmethod.latin.BaseKeyboard.Key; + import android.content.Context; -import android.inputmethodservice.Keyboard.Key; import android.text.format.DateFormat; import android.util.Log; |