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Refactor KeysCache to UniqueKeysCache 

Change-Id: I8e3c4705c705a1c6e05e9112211d7012912d7e41
main
Tadashi G. Takaoka 2014-11-27 15:40:35 +09:00
parent 9d5d01a543
commit 01d54002b3
6 changed files with 99 additions and 92 deletions
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12
java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java
View File

@ -34,7 +34,7 @@ import com.android.inputmethod.compat.EditorInfoCompatUtils;
import com.android.inputmethod.compat.InputMethodSubtypeCompatUtils;
import com.android.inputmethod.keyboard.internal.KeyboardBuilder;
import com.android.inputmethod.keyboard.internal.KeyboardParams;
import com.android.inputmethod.keyboard.internal.KeysCache;
import com.android.inputmethod.keyboard.internal.UniqueKeysCache;
import com.android.inputmethod.latin.InputAttributes;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.RichInputMethodSubtype;
@ -86,7 +86,7 @@ public final class KeyboardLayoutSet {
private static final HashMap<KeyboardId, SoftReference<Keyboard>> sKeyboardCache =
new HashMap<>();
@Nonnull
private static final KeysCache sKeysCache = new KeysCache();
private static final UniqueKeysCache sUniqueKeysCache = UniqueKeysCache.newInstance();
private final static HashMap<InputMethodSubtype, Integer> sScriptIdsForSubtypes =
new HashMap<>();
@ -144,7 +144,7 @@ public final class KeyboardLayoutSet {
private static void clearKeyboardCache() {
sKeyboardCache.clear();
sKeysCache.clear();
sUniqueKeysCache.clear();
}
public static int getScriptId(final Resources resources,
@ -219,10 +219,8 @@ public final class KeyboardLayoutSet {
}
final KeyboardBuilder<KeyboardParams> builder =
new KeyboardBuilder<>(mContext, new KeyboardParams());
if (id.isAlphabetKeyboard()) {
builder.setAutoGenerate(sKeysCache);
}
new KeyboardBuilder<>(mContext, new KeyboardParams(sUniqueKeysCache));
sUniqueKeysCache.setEnabled(id.isAlphabetKeyboard());
builder.setAllowRedundantMoreKes(elementParams.mAllowRedundantMoreKeys);
final int keyboardXmlId = elementParams.mKeyboardXmlId;
builder.load(keyboardXmlId, id);

4
java/src/com/android/inputmethod/keyboard/internal/KeyboardBuilder.java
View File

@ -161,10 +161,6 @@ public class KeyboardBuilder<KP extends KeyboardParams> {
params.GRID_HEIGHT = res.getInteger(R.integer.config_keyboard_grid_height);
}
public void setAutoGenerate(final KeysCache keysCache) {
mParams.mKeysCache = keysCache;
}
public void setAllowRedundantMoreKes(final boolean enabled) {
mParams.mAllowRedundantMoreKeys = enabled;
}

24
java/src/com/android/inputmethod/keyboard/internal/KeyboardParams.java
View File

@ -77,9 +77,8 @@ public class KeyboardParams {
@Nonnull
public final KeyStylesSet mKeyStyles = new KeyStylesSet(mTextsSet);
// TODO: Make this @Nonnull
@Nullable
public KeysCache mKeysCache;
@Nonnull
private final UniqueKeysCache mUniqueKeysCache;
public boolean mAllowRedundantMoreKeys;
public int mMostCommonKeyHeight = 0;
@ -103,6 +102,14 @@ public class KeyboardParams {
}
};
public KeyboardParams() {
this(UniqueKeysCache.NO_CACHE);
}
public KeyboardParams(@Nonnull final UniqueKeysCache keysCache) {
mUniqueKeysCache = keysCache;
}
protected void clearKeys() {
mSortedKeys.clear();
mShiftKeys.clear();
@ -110,9 +117,7 @@ public class KeyboardParams {
}
public void onAddKey(@Nonnull final Key newKey) {
// To avoid possible null pointer access.
final KeysCache keysCache = mKeysCache;
final Key key = (keysCache != null) ? keysCache.get(newKey) : newKey;
final Key key = mUniqueKeysCache.getUniqueKey(newKey);
final boolean isSpacer = key.isSpacer();
if (isSpacer && key.getWidth() == 0) {
// Ignore zero width {@link Spacer}.
@ -140,16 +145,11 @@ public class KeyboardParams {
for (final Key key : mSortedKeys) {
lettersOnBaseLayout.addLetter(key);
}
// To avoid possible null pointer access.
final KeysCache keysCache = mKeysCache;
final ArrayList<Key> allKeys = new ArrayList<>(mSortedKeys);
mSortedKeys.clear();
for (final Key key : allKeys) {
final Key filteredKey = Key.removeRedundantMoreKeys(key, lettersOnBaseLayout);
if (keysCache != null) {
keysCache.replace(key, filteredKey);
}
mSortedKeys.add(filteredKey);
mSortedKeys.add(mUniqueKeysCache.getUniqueKey(filteredKey));
}
}

50
java/src/com/android/inputmethod/keyboard/internal/KeysCache.java
View File

@ -1,50 +0,0 @@
/*
* Copyright (C) 2012 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 com.android.inputmethod.keyboard.Key;
import java.util.HashMap;
// TODO: Rename more appropriate name.
public final class KeysCache {
private final HashMap<Key, Key> mMap = new HashMap<>();
public void clear() {
mMap.clear();
}
// TODO: Rename more descriptive name.
public Key get(final Key key) {
final Key existingKey = mMap.get(key);
if (existingKey != null) {
// Reuse the existing element that equals to "key" without adding "key" to the map.
return existingKey;
}
mMap.put(key, key);
return key;
}
// TODO: Rename more descriptive name.
public Key replace(final Key oldKey, final Key newKey) {
if (oldKey.equals(newKey)) {
return oldKey;
}
mMap.remove(oldKey);
return get(newKey);
}
}

81
java/src/com/android/inputmethod/keyboard/internal/UniqueKeysCache.java Normal file
View File

@ -0,0 +1,81 @@
/*
* Copyright (C) 2014 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 com.android.inputmethod.keyboard.Key;
import java.util.HashMap;
import javax.annotation.Nonnull;
public abstract class UniqueKeysCache {
public abstract void setEnabled(boolean enabled);
public abstract void clear();
public abstract @Nonnull Key getUniqueKey(@Nonnull Key key);
@Nonnull
public static final UniqueKeysCache NO_CACHE = new UniqueKeysCache() {
@Override
public void setEnabled(boolean enabled) {}
@Override
public void clear() {}
@Override
public Key getUniqueKey(Key key) { return key; }
};
@Nonnull
public static UniqueKeysCache newInstance() {
return new UniqueKeysCacheImpl();
}
private static final class UniqueKeysCacheImpl extends UniqueKeysCache {
private final HashMap<Key, Key> mCache;
private boolean mEnabled;
UniqueKeysCacheImpl() {
mCache = new HashMap<>();
}
@Override
public void setEnabled(final boolean enabled) {
mEnabled = enabled;
}
@Override
public void clear() {
mCache.clear();
}
@Override
public Key getUniqueKey(final Key key) {
if (!mEnabled) {
return key;
}
final Key existingKey = mCache.get(key);
if (existingKey != null) {
// Reuse the existing object that equals to "key" without adding "key" to
// the cache.
return existingKey;
}
mCache.put(key, key);
return key;
}
}
}

20
tests/src/com/android/inputmethod/keyboard/layout/tests/LayoutTestsBase.java
View File

@ -120,31 +120,13 @@ abstract class LayoutTestsBase extends KeyboardLayoutSetTestsBase {
// TODO: Add phone, phone symbols, number, number password layout tests.
public final void testAlphabet() {
public final void testLayouts() {
doKeyboardTests(KeyboardId.ELEMENT_ALPHABET);
}
public final void testAlphabetAutomaticShifted() {
doKeyboardTests(KeyboardId.ELEMENT_ALPHABET_AUTOMATIC_SHIFTED);
}
public final void testAlphabetManualShifted() {
doKeyboardTests(KeyboardId.ELEMENT_ALPHABET_MANUAL_SHIFTED);
}
public final void testAlphabetShiftLocked() {
doKeyboardTests(KeyboardId.ELEMENT_ALPHABET_SHIFT_LOCKED);
}
public final void testAlphabetShiftLockShifted() {
doKeyboardTests(KeyboardId.ELEMENT_ALPHABET_SHIFT_LOCK_SHIFTED);
}
public final void testSymbols() {
doKeyboardTests(KeyboardId.ELEMENT_SYMBOLS);
}
public final void testSymbolsShifted() {
doKeyboardTests(KeyboardId.ELEMENT_SYMBOLS_SHIFTED);
}