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Merge "Add recents keyboard"

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Tadashi G. Takaoka 2013-08-28 07:40:05 +00:00 committed by Android (Google) Code Review
parent 1148d00b40 803ea61d55
commit bd4068c595
6 changed files with 165 additions and 35 deletions
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13
java/res/values-v18/emoji-categories.xml
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@ -17,19 +17,6 @@
<!-- Note: This emoji code point list is valid on JB-MR2 (API == 18).
There is another emoji code point list for KLP and later under res/xml/values-v19. -->
<resources>
<!-- Dummy codeArrays for recents emoji keyboard.
Do not remove these keys, because they are used as a template. -->
<array
name="emoji_recents"
format="string"
>
<item>52</item>
<item>45</item>
<item>43</item>
<item>45</item>
<item>4E</item>
<item>54</item>
</array>
<array
name="emoji_nature"
format="string"

13
java/res/values-v19/emoji-categories.xml
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@ -17,19 +17,6 @@
<!-- Note: This emoji code point list is valid on KLP and later (API >= 19).
There is another emoji code point list for JB-MR2 under res/xml/values and values-v18.-->
<resources>
<!-- Dummy codeArrays for recents emoji keyboard.
Do not remove these keys, because they are used as a template. -->
<array
name="emoji_recents"
format="string"
>
<item>52</item>
<item>45</item>
<item>43</item>
<item>45</item>
<item>4E</item>
<item>54</item>
</array>
<array
name="emoji_nature"
format="string"

9
java/res/values/emoji-categories.xml
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@ -28,12 +28,9 @@
name="emoji_recents"
format="string"
>
<item>52</item>
<item>45</item>
<item>43</item>
<item>45</item>
<item>4E</item>
<item>54</item>
<!-- These code point should be aligned with {@link RecentsKeyboard#TEMPLATE_KEY_CODE_*. -->
<item>30</item>
<item>31</item>
</array>
<array
name="emoji_nature"

7
java/src/com/android/inputmethod/keyboard/Key.java
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@ -764,8 +764,9 @@ public class Key implements Comparable<Key> {
}
public final int getDrawX() {
final int x = getX();
final OptionalAttributes attrs = mOptionalAttributes;
return (attrs == null) ? mX : mX + attrs.mVisualInsetsLeft;
return (attrs == null) ? x : x + attrs.mVisualInsetsLeft;
}
public final int getDrawWidth() {
@ -823,9 +824,9 @@ public class Key implements Comparable<Key> {
* @return the square of the distance of the point from the nearest edge of the key
*/
public int squaredDistanceToEdge(final int x, final int y) {
final int left = mX;
final int left = getX();
final int right = left + mWidth;
final int top = mY;
final int top = getY();
final int bottom = top + mHeight;
final int edgeX = x < left ? left : (x > right ? right : x);
final int edgeY = y < top ? top : (y > bottom ? bottom : y);

157
java/src/com/android/inputmethod/keyboard/internal/RecentsKeyboard.java Normal file
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@ -0,0 +1,157 @@
/*
* Copyright (C) 2013 The Android Open Source Project
*
* 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.keyboard.internal;
import android.text.TextUtils;
import com.android.inputmethod.keyboard.Key;
import com.android.inputmethod.keyboard.Keyboard;
import com.android.inputmethod.latin.utils.CollectionUtils;
import java.util.ArrayDeque;
import java.util.Random;
/**
* This is a Keyboard class to host recently used keys.
*/
// TODO: Save/restore recent keys from/to preferences.
public class RecentsKeyboard extends Keyboard {
private static final int TEMPLATE_KEY_CODE_0 = 0x30;
private static final int TEMPLATE_KEY_CODE_1 = 0x31;
private final int mLeftPadding;
private final int mHorizontalStep;
private final int mVerticalStep;
private final int mColumnsNum;
private final int mMaxRecentKeyCount;
private final ArrayDeque<RecentKey> mRecentKeys = CollectionUtils.newArrayDeque();
private Key[] mCachedRecentKeys;
public RecentsKeyboard(final Keyboard templateKeyboard) {
super(templateKeyboard);
final Key key0 = getTemplateKey(TEMPLATE_KEY_CODE_0);
final Key key1 = getTemplateKey(TEMPLATE_KEY_CODE_1);
mLeftPadding = key0.getX();
mHorizontalStep = Math.abs(key1.getX() - key0.getX());
mVerticalStep = key0.getHeight() + mVerticalGap;
mColumnsNum = mBaseWidth / mHorizontalStep;
final int rowsNum = mBaseHeight / mVerticalStep;
mMaxRecentKeyCount = mColumnsNum * rowsNum;
}
private Key getTemplateKey(final int code) {
for (final Key key : super.getKeys()) {
if (key.getCode() == code) {
return key;
}
}
throw new RuntimeException("Can't find template key: code=" + code);
}
private final Random random = new Random();
public void addRecentKey(final Key usedKey) {
synchronized (mRecentKeys) {
mCachedRecentKeys = null;
final RecentKey key = (usedKey instanceof RecentKey)
? (RecentKey)usedKey : new RecentKey(usedKey);
while (mRecentKeys.remove(key)) {
// Remove duplicate keys.
}
mRecentKeys.addFirst(key);
while (mRecentKeys.size() > mMaxRecentKeyCount) {
mRecentKeys.removeLast();
}
int index = 0;
for (final RecentKey recentKey : mRecentKeys) {
final int keyX = getKeyX(index);
final int keyY = getKeyY(index);
final int x = keyX+random.nextInt(recentKey.getWidth());
final int y = keyY+random.nextInt(recentKey.getHeight());
recentKey.updateCorrdinates(keyX, keyY);
index++;
}
}
}
private int getKeyX(final int index) {
final int column = index % mColumnsNum;
return column * mHorizontalStep + mLeftPadding;
}
private int getKeyY(final int index) {
final int row = index / mColumnsNum;
return row * mVerticalStep + mTopPadding;
}
@Override
public Key[] getKeys() {
synchronized (mRecentKeys) {
if (mCachedRecentKeys != null) {
return mCachedRecentKeys;
}
mCachedRecentKeys = mRecentKeys.toArray(new Key[mRecentKeys.size()]);
return mCachedRecentKeys;
}
}
@Override
public Key[] getNearestKeys(final int x, final int y) {
// TODO: Calculate the nearest key index in mRecentKeys from x and y.
return getKeys();
}
static final class RecentKey extends Key {
private int mCurrentX;
private int mCurrentY;
public RecentKey(final Key originalKey) {
super(originalKey);
}
public void updateCorrdinates(final int x, final int y) {
mCurrentX = x;
mCurrentY = y;
getHitBox().offsetTo(x, y);
}
@Override
public int getX() {
return mCurrentX;
}
@Override
public int getY() {
return mCurrentY;
}
@Override
public boolean equals(final Object o) {
if (!(o instanceof Key)) return false;
final Key key = (Key)o;
if (getCode() != key.getCode()) return false;
if (!TextUtils.equals(getLabel(), key.getLabel())) return false;
return TextUtils.equals(getOutputText(), key.getOutputText());
}
@Override
public String toString() {
return "RecentKey: " + super.toString();
}
}
}

1
java/src/com/android/inputmethod/keyboard/internal/ScrollKeyboardView.java
View File

@ -33,6 +33,7 @@ import com.android.inputmethod.latin.R;
* This is an extended {@link KeyboardView} class that hosts a scroll keyboard.
* Multi-touch unsupported. No {@link PointerTracker}s. No gesture support.
*/
// TODO: Implement key popup preview.
public final class ScrollKeyboardView extends KeyboardView implements
ScrollViewWithNotifier.ScrollListener, GestureDetector.OnGestureListener {
private static final boolean PAGINATION = false;