| // Copyright 2010-2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| package org.mozc.android.inputmethod.japanese.emoji; |
| |
| import org.mozc.android.inputmethod.japanese.protobuf.ProtoCommands.Request; |
| import org.mozc.android.inputmethod.japanese.protobuf.ProtoCommands.Request.EmojiCarrierType; |
| import org.mozc.android.inputmethod.japanese.protobuf.ProtoCommands.Request.RewriterCapability; |
| import org.mozc.android.inputmethod.japanese.view.CarrierEmojiRenderHelper.RenderableChecker; |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.base.Optional; |
| import com.google.common.base.Preconditions; |
| |
| import android.os.Bundle; |
| import android.view.inputmethod.EditorInfo; |
| |
| import java.util.Collections; |
| import java.util.EnumMap; |
| import java.util.Map; |
| |
| /** |
| * Utility class for emoji handling. |
| * |
| */ |
| public class EmojiUtil { |
| |
| public static final int MIN_EMOJI_PUA_CODE_POINT = 0xFE000; |
| public static final int MAX_EMOJI_PUA_CODE_POINT = 0xFEEA0; |
| |
| private static final int UNICODE_EMOJI_SUPPORT_API_VERSION = 16; |
| // This field is initialized lazily. |
| @VisibleForTesting static volatile Optional<Boolean> unicodeEmojiRenderable = Optional.absent(); |
| |
| /** |
| * Note that if the key is {@link EmojiProviderType#NONE}, {@code null} is returned. |
| */ |
| private static final Map<EmojiProviderType, EmojiCarrierType> CARRIER_EMOJI_PROVIDER_TYPE_MAP; |
| static { |
| EnumMap<EmojiProviderType, EmojiCarrierType> map = |
| new EnumMap<EmojiProviderType, EmojiCarrierType>(EmojiProviderType.class); |
| map.put(EmojiProviderType.DOCOMO, EmojiCarrierType.DOCOMO_EMOJI); |
| map.put(EmojiProviderType.SOFTBANK, EmojiCarrierType.SOFTBANK_EMOJI); |
| map.put(EmojiProviderType.KDDI, EmojiCarrierType.KDDI_EMOJI); |
| CARRIER_EMOJI_PROVIDER_TYPE_MAP = Collections.unmodifiableMap(map); |
| } |
| |
| private EmojiUtil() {} |
| |
| /** |
| * @return {@code true} if the given {@code codePoint} is in the emoji pua range. |
| * Note that the current system may not support codepoint nor the package |
| * may not have the corresponding drawable resource for the codepoint, |
| * even if this method returns {@code true}. |
| */ |
| public static boolean isCarrierEmoji(int codePoint) { |
| return MIN_EMOJI_PUA_CODE_POINT <= codePoint && codePoint <= MAX_EMOJI_PUA_CODE_POINT; |
| } |
| |
| /** @return {@code true} if the given {@code type} is carrier emoji provider type. */ |
| public static boolean isCarrierEmojiProviderType(EmojiProviderType type) { |
| return CARRIER_EMOJI_PROVIDER_TYPE_MAP.containsKey(Preconditions.checkNotNull(type)); |
| } |
| |
| /** @return {@code true} if carrier emoji is allowed on the text edit. */ |
| public static boolean isCarrierEmojiAllowed(EditorInfo editorInfo) { |
| Bundle bundle = Preconditions.checkNotNull(editorInfo).extras; |
| return (bundle != null) && bundle.getBoolean("allowEmoji"); |
| } |
| |
| /** @return {@code true} if Unicode 6.0 emoji is available. */ |
| public static boolean isUnicodeEmojiAvailable(int sdkInt) { |
| if (sdkInt < UNICODE_EMOJI_SUPPORT_API_VERSION) { |
| return false; |
| } |
| |
| if (unicodeEmojiRenderable.isPresent()) { |
| return unicodeEmojiRenderable.get().booleanValue(); |
| } |
| |
| // Lazy initialization |
| synchronized (EmojiUtil.class) { |
| if (!unicodeEmojiRenderable.isPresent()) { |
| RenderableChecker checker = null; |
| boolean result = false; |
| try { |
| checker = new RenderableChecker(); |
| int blackSunWithRays = 0x2600; |
| result = checker.isRenderable(blackSunWithRays); |
| } finally { |
| if (checker != null) { |
| checker.release(); |
| } |
| } |
| unicodeEmojiRenderable = Optional.of(result); |
| } |
| } |
| return unicodeEmojiRenderable.get(); |
| } |
| |
| /** @return {@code Request} instance for the given emoji settings. */ |
| public static Request createEmojiRequest(int sdkInt, EmojiProviderType emojiProviderType) { |
| Preconditions.checkNotNull(emojiProviderType); |
| |
| int availableEmojiCarrier = 0; |
| if (isUnicodeEmojiAvailable(sdkInt)) { |
| availableEmojiCarrier |= EmojiCarrierType.UNICODE_EMOJI.getNumber(); |
| } |
| |
| // NOTE: If emojiCarrierType is NONE, availableEmojiCarrier is not updated here. |
| EmojiCarrierType emojiCarrierType = |
| CARRIER_EMOJI_PROVIDER_TYPE_MAP.get(emojiProviderType); |
| if (emojiCarrierType != null) { |
| availableEmojiCarrier |= emojiCarrierType.getNumber(); |
| } |
| |
| return Request.newBuilder() |
| .setAvailableEmojiCarrier(availableEmojiCarrier) |
| .setEmojiRewriterCapability(RewriterCapability.ALL.getNumber()) |
| .build(); |
| } |
| } |