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@ -22,10 +22,7 @@ import android.app.Application;
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import android.content.Context;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.os.Build;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Looper;
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import android.text.Editable;
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import android.text.method.KeyListener;
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import android.view.KeyEvent;
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@ -40,7 +37,6 @@ import androidx.annotation.IntDef;
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import androidx.annotation.IntRange;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.annotation.RequiresApi;
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import androidx.annotation.RestrictTo;
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import androidx.annotation.VisibleForTesting;
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import androidx.collection.ArraySet;
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@ -50,9 +46,9 @@ import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.List;
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import java.util.Set;
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import java.util.concurrent.Executor;
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import java.util.concurrent.locks.ReadWriteLock;
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import java.util.concurrent.locks.ReentrantReadWriteLock;
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@ -352,17 +348,12 @@ public class EmojiCompat {
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private final @NonNull ReadWriteLock mInitLock;
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@GuardedBy("mInitLock")
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private final @NonNull Set<InitCallback> mInitCallbacks;
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private final @NonNull Set<InitWithExecutor> mInitCallbacks;
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@GuardedBy("mInitLock")
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@LoadState
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private volatile int mLoadState;
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/**
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* Handler with main looper to run the callbacks on.
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*/
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private final @NonNull Handler mMainHandler;
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/**
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* Helper class for pre 19 compatibility.
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*/
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@ -464,15 +455,13 @@ public class EmojiCompat {
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mMetadataLoader = config.mMetadataLoader;
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mMetadataLoadStrategy = config.mMetadataLoadStrategy;
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mGlyphChecker = config.mGlyphChecker;
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mMainHandler = new Handler(Looper.getMainLooper());
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mInitCallbacks = new ArraySet<>();
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SpanFactory localSpanFactory = config.mSpanFactory;
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mSpanFactory = localSpanFactory != null ? localSpanFactory : new DefaultSpanFactory();
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if (config.mInitCallbacks != null && !config.mInitCallbacks.isEmpty()) {
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mInitCallbacks.addAll(config.mInitCallbacks);
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}
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mHelper = Build.VERSION.SDK_INT < 19 ? new CompatInternal(this) : new CompatInternal19(
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this);
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mHelper = new CompatInternal(this);
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loadMetadata();
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}
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@ -699,31 +688,37 @@ public class EmojiCompat {
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@SuppressWarnings("WeakerAccess") /* synthetic access */
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void onMetadataLoadSuccess() {
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final Collection<InitCallback> initCallbacks = new ArrayList<>();
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Set<InitWithExecutor> localRefCbs = mInitCallbacks;
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final ArrayList<InitWithExecutor> initCallbacks = new ArrayList<>(localRefCbs.size());
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mInitLock.writeLock().lock();
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try {
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mLoadState = LOAD_STATE_SUCCEEDED;
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initCallbacks.addAll(mInitCallbacks);
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mInitCallbacks.clear();
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initCallbacks.addAll(localRefCbs);
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localRefCbs.clear();
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} finally {
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mInitLock.writeLock().unlock();
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}
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mMainHandler.post(new ListenerDispatcher(initCallbacks, mLoadState));
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for (int i = 0; i < initCallbacks.size(); i++) {
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initCallbacks.get(i).dispatchInitialized();
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}
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}
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@SuppressWarnings("WeakerAccess") /* synthetic access */
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void onMetadataLoadFailed(@Nullable final Throwable throwable) {
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final Collection<InitCallback> initCallbacks = new ArrayList<>();
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void onMetadataLoadFailed(@NonNull final Throwable throwable) {
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Set<InitWithExecutor> localRefCbs = mInitCallbacks;
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final ArrayList<InitWithExecutor> initCallbacks = new ArrayList<>(localRefCbs.size());
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mInitLock.writeLock().lock();
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try {
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mLoadState = LOAD_STATE_FAILED;
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initCallbacks.addAll(mInitCallbacks);
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mInitCallbacks.clear();
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initCallbacks.addAll(localRefCbs);
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localRefCbs.clear();
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} finally {
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mInitLock.writeLock().unlock();
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}
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mMainHandler.post(new ListenerDispatcher(initCallbacks, mLoadState, throwable));
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for (int i = 0; i < initCallbacks.size(); i++) {
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initCallbacks.get(i).dispatchFailed(throwable);
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}
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}
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/**
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@ -741,14 +736,38 @@ public class EmojiCompat {
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*/
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@SuppressWarnings("ExecutorRegistration")
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public void registerInitCallback(@NonNull InitCallback initCallback) {
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registerInitCallback(ConcurrencyHelpers.mainThreadExecutor(), initCallback);
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}
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/**
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* Registers an initialization callback. If the initialization is already completed by the time
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* the listener is added, the callback functions are called immediately.
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* <p/>
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* When used on devices running API 18 or below, {@link InitCallback#onInitialized()} is called
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* without loading any metadata. In such cases {@link InitCallback#onFailed(Throwable)} is never
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* called.
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*
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* @param executor executor to dispatch callback on
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* @param initCallback the initialization callback to register, cannot be {@code null}
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*
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* @see #unregisterInitCallback(InitCallback)
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*/
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public void registerInitCallback(@NonNull Executor executor,
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@NonNull InitCallback initCallback) {
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Preconditions.checkNotNull(initCallback, "initCallback cannot be null");
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Preconditions.checkNotNull(executor, "executor cannot be null");
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InitWithExecutor newCb = new InitWithExecutor(executor, initCallback);
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mInitLock.writeLock().lock();
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try {
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if (mLoadState == LOAD_STATE_SUCCEEDED || mLoadState == LOAD_STATE_FAILED) {
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mMainHandler.post(new ListenerDispatcher(initCallback, mLoadState));
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if (mLoadState == LOAD_STATE_SUCCEEDED) {
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newCb.dispatchInitialized();
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} else if (mLoadState == LOAD_STATE_FAILED) {
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newCb.dispatchFailed(new IllegalStateException("Initialization failed prior to "
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+ "registering this callback, please add an initialization callback to "
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+ "the EmojiCompat.Config instead to see the cause."));
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} else {
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mInitCallbacks.add(initCallback);
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mInitCallbacks.add(newCb);
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}
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} finally {
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mInitLock.writeLock().unlock();
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@ -764,7 +783,15 @@ public class EmojiCompat {
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Preconditions.checkNotNull(initCallback, "initCallback cannot be null");
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mInitLock.writeLock().lock();
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try {
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mInitCallbacks.remove(initCallback);
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ArrayList<InitWithExecutor> toRemove = new ArrayList<>();
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for (InitWithExecutor item : mInitCallbacks) {
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if (item.mInitCallback == initCallback) {
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toRemove.add(item);
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}
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}
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for (InitWithExecutor item : toRemove) {
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mInitCallbacks.remove(item);
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}
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} finally {
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mInitLock.writeLock().unlock();
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}
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@ -859,11 +886,7 @@ public class EmojiCompat {
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*/
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public static boolean handleOnKeyDown(@NonNull final Editable editable, final int keyCode,
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@NonNull final KeyEvent event) {
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if (Build.VERSION.SDK_INT >= 19) {
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return EmojiProcessor.handleOnKeyDown(editable, keyCode, event);
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} else {
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return false;
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}
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return EmojiProcessor.handleOnKeyDown(editable, keyCode, event);
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}
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/**
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@ -888,12 +911,8 @@ public class EmojiCompat {
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@NonNull final InputConnection inputConnection, @NonNull final Editable editable,
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@IntRange(from = 0) final int beforeLength, @IntRange(from = 0) final int afterLength,
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final boolean inCodePoints) {
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if (Build.VERSION.SDK_INT >= 19) {
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return EmojiProcessor.handleDeleteSurroundingText(inputConnection, editable,
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beforeLength, afterLength, inCodePoints);
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} else {
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return false;
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}
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return EmojiProcessor.handleDeleteSurroundingText(inputConnection, editable,
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beforeLength, afterLength, inCodePoints);
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}
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/**
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@ -1190,7 +1209,6 @@ public class EmojiCompat {
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*
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* @return EmojiSpan instance that can use TypefaceEmojiRasterizer to draw emoji.
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*/
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@RequiresApi(19)
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@NonNull
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EmojiSpan createSpan(@NonNull TypefaceEmojiRasterizer rasterizer);
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}
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@ -1209,7 +1227,6 @@ public class EmojiCompat {
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*
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* @return {@link TypefaceEmojiSpan}
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*/
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@RequiresApi(19)
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@NonNull
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@Override
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public EmojiSpan createSpan(@NonNull TypefaceEmojiRasterizer rasterizer) {
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@ -1252,6 +1269,24 @@ public class EmojiCompat {
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void load(@NonNull MetadataRepoLoaderCallback loaderCallback);
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}
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private static final class InitWithExecutor {
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InitCallback mInitCallback;
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Executor mExecutor;
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InitWithExecutor(@NonNull Executor executor, @NonNull InitCallback initCallback) {
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mInitCallback = initCallback;
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mExecutor = executor;
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}
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void dispatchInitialized() {
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mExecutor.execute(() -> mInitCallback.onInitialized());
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}
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void dispatchFailed(Throwable throwable) {
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mExecutor.execute(() -> mInitCallback.onFailed(throwable));
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}
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}
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/**
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* Interface to check if a given emoji exists on the system.
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*/
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@ -1286,7 +1321,7 @@ public class EmojiCompat {
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* information, and some predefined OEMs, it is possible to write the following code
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* snippet.
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*
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* {@sample frameworks/support/samples/SupportEmojiDemos/src/main/java/com/example/android/support/text/emoji/sample/GlyphCheckerSample.java glyphchecker}
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* {@sample samples/SupportEmojiDemos/src/main/java/com/example/android/support/text/emoji/sample/GlyphCheckerSample.java glyphchecker}
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*
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* @param charSequence the CharSequence that is being processed
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* @param start the inclusive starting offset for the emoji in the {@code charSequence}
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@ -1349,7 +1384,7 @@ public class EmojiCompat {
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int[] mEmojiAsDefaultStyleExceptions;
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@SuppressWarnings("WeakerAccess") /* synthetic access */
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@Nullable
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Set<InitCallback> mInitCallbacks;
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Set<InitWithExecutor> mInitCallbacks;
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@SuppressWarnings("WeakerAccess") /* synthetic access */
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boolean mEmojiSpanIndicatorEnabled;
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@SuppressWarnings("WeakerAccess") /* synthetic access */
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@ -1380,13 +1415,27 @@ public class EmojiCompat {
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@SuppressWarnings("ExecutorRegistration")
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@NonNull
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public Config registerInitCallback(@NonNull InitCallback initCallback) {
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registerInitCallback(ConcurrencyHelpers.mainThreadExecutor(), initCallback);
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return this;
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}
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/**
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* Registers an initialization callback.
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*
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* @param executor executor to dispatch callback on
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* @param initCallback the initialization callback to register, cannot be {@code null}
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*
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* @return EmojiCompat.Config instance
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*/
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@NonNull
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public Config registerInitCallback(@NonNull Executor executor,
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@NonNull InitCallback initCallback) {
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Preconditions.checkNotNull(initCallback, "initCallback cannot be null");
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Preconditions.checkNotNull(executor, "executor cannot be null");
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if (mInitCallbacks == null) {
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mInitCallbacks = new ArraySet<>();
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}
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mInitCallbacks.add(initCallback);
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mInitCallbacks.add(new InitWithExecutor(executor, initCallback));
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return this;
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}
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@ -1401,7 +1450,15 @@ public class EmojiCompat {
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public Config unregisterInitCallback(@NonNull InitCallback initCallback) {
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Preconditions.checkNotNull(initCallback, "initCallback cannot be null");
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if (mInitCallbacks != null) {
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mInitCallbacks.remove(initCallback);
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ArrayList<InitWithExecutor> toRemove = new ArrayList<>();
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for (InitWithExecutor item : mInitCallbacks) {
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if (item.mInitCallback == initCallback) {
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toRemove.add(item);
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}
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}
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for (InitWithExecutor item : toRemove) {
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mInitCallbacks.remove(item);
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}
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}
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return this;
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}
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@ -1576,112 +1633,7 @@ public class EmojiCompat {
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}
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}
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/**
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* Runnable to call success/failure case for the listeners.
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*/
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private static class ListenerDispatcher implements Runnable {
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private final List<InitCallback> mInitCallbacks;
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private final Throwable mThrowable;
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private final int mLoadState;
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@SuppressWarnings("ArraysAsListWithZeroOrOneArgument")
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ListenerDispatcher(@NonNull final InitCallback initCallback,
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@LoadState final int loadState) {
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this(Arrays.asList(Preconditions.checkNotNull(initCallback,
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"initCallback cannot be null")), loadState, null);
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}
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ListenerDispatcher(@NonNull final Collection<InitCallback> initCallbacks,
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@LoadState final int loadState) {
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this(initCallbacks, loadState, null);
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}
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ListenerDispatcher(@NonNull final Collection<InitCallback> initCallbacks,
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@LoadState final int loadState,
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@Nullable final Throwable throwable) {
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Preconditions.checkNotNull(initCallbacks, "initCallbacks cannot be null");
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mInitCallbacks = new ArrayList<>(initCallbacks);
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mLoadState = loadState;
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mThrowable = throwable;
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}
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@Override
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public void run() {
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final int size = mInitCallbacks.size();
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switch (mLoadState) {
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case LOAD_STATE_SUCCEEDED:
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for (int i = 0; i < size; i++) {
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mInitCallbacks.get(i).onInitialized();
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}
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break;
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case LOAD_STATE_FAILED:
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default:
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for (int i = 0; i < size; i++) {
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mInitCallbacks.get(i).onFailed(mThrowable);
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}
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break;
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}
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}
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}
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/**
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|
* Internal helper class to behave no-op for certain functions.
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|
*/
|
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|
private static class CompatInternal {
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|
|
final EmojiCompat mEmojiCompat;
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|
|
CompatInternal(EmojiCompat emojiCompat) {
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|
mEmojiCompat = emojiCompat;
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|
}
|
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|
|
void loadMetadata() {
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|
|
// Moves into LOAD_STATE_SUCCESS state immediately.
|
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|
|
mEmojiCompat.onMetadataLoadSuccess();
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|
|
}
|
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|
|
boolean hasEmojiGlyph(@NonNull final CharSequence sequence) {
|
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|
|
// Since no metadata is loaded, EmojiCompat cannot detect or render any emojis.
|
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|
|
return false;
|
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|
|
|
}
|
|
|
|
|
|
|
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|
|
boolean hasEmojiGlyph(@NonNull final CharSequence sequence, final int metadataVersion) {
|
|
|
|
|
// Since no metadata is loaded, EmojiCompat cannot detect or render any emojis.
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int getEmojiStart(@NonNull final CharSequence cs, @IntRange(from = 0) final int offset) {
|
|
|
|
|
// Since no metadata is loaded, EmojiCompat cannot detect any emojis.
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int getEmojiEnd(@NonNull final CharSequence cs, @IntRange(from = 0) final int offset) {
|
|
|
|
|
// Since no metadata is loaded, EmojiCompat cannot detect any emojis.
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
CharSequence process(@NonNull final CharSequence charSequence,
|
|
|
|
|
@IntRange(from = 0) final int start, @IntRange(from = 0) final int end,
|
|
|
|
|
@IntRange(from = 0) final int maxEmojiCount, boolean replaceAll) {
|
|
|
|
|
// Returns the given charSequence as it is.
|
|
|
|
|
return charSequence;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void updateEditorInfoAttrs(@NonNull final EditorInfo outAttrs) {
|
|
|
|
|
// Does not add any EditorInfo attributes.
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
String getAssetSignature() {
|
|
|
|
|
return "";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@CodepointSequenceMatchResult
|
|
|
|
|
public int getEmojiMatch(CharSequence sequence, int metadataVersion) {
|
|
|
|
|
return EMOJI_UNSUPPORTED;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@RequiresApi(19)
|
|
|
|
|
private static final class CompatInternal19 extends CompatInternal {
|
|
|
|
|
private static final class CompatInternal {
|
|
|
|
|
/**
|
|
|
|
|
* Responsible to process a CharSequence and add the spans. @{code Null} until the time the
|
|
|
|
|
* metadata is loaded.
|
|
|
|
|
@ -1692,13 +1644,12 @@ public class EmojiCompat {
|
|
|
|
|
* Keeps the information about emojis. Null until the time the data is loaded.
|
|
|
|
|
*/
|
|
|
|
|
private volatile MetadataRepo mMetadataRepo;
|
|
|
|
|
private final EmojiCompat mEmojiCompat;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
CompatInternal19(EmojiCompat emojiCompat) {
|
|
|
|
|
super(emojiCompat);
|
|
|
|
|
CompatInternal(EmojiCompat emojiCompat) {
|
|
|
|
|
mEmojiCompat = emojiCompat;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
void loadMetadata() {
|
|
|
|
|
try {
|
|
|
|
|
final MetadataRepoLoaderCallback callback = new MetadataRepoLoaderCallback() {
|
|
|
|
|
@ -1718,7 +1669,6 @@ public class EmojiCompat {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@SuppressWarnings("SyntheticAccessor")
|
|
|
|
|
void onMetadataLoadSuccess(@NonNull final MetadataRepo metadataRepo) {
|
|
|
|
|
//noinspection ConstantConditions
|
|
|
|
|
if (metadataRepo == null) {
|
|
|
|
|
@ -1740,45 +1690,37 @@ public class EmojiCompat {
|
|
|
|
|
mEmojiCompat.onMetadataLoadSuccess();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
boolean hasEmojiGlyph(@NonNull CharSequence sequence) {
|
|
|
|
|
return mProcessor.getEmojiMatch(sequence) == EMOJI_SUPPORTED;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
boolean hasEmojiGlyph(@NonNull CharSequence sequence, int metadataVersion) {
|
|
|
|
|
int emojiMatch = mProcessor.getEmojiMatch(sequence, metadataVersion);
|
|
|
|
|
return emojiMatch == EMOJI_SUPPORTED;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
public int getEmojiMatch(CharSequence sequence, int metadataVersion) {
|
|
|
|
|
return mProcessor.getEmojiMatch(sequence, metadataVersion);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
int getEmojiStart(@NonNull final CharSequence sequence, final int offset) {
|
|
|
|
|
return mProcessor.getEmojiStart(sequence, offset);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
int getEmojiEnd(@NonNull final CharSequence sequence, final int offset) {
|
|
|
|
|
return mProcessor.getEmojiEnd(sequence, offset);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
CharSequence process(@NonNull CharSequence charSequence, int start, int end,
|
|
|
|
|
int maxEmojiCount, boolean replaceAll) {
|
|
|
|
|
return mProcessor.process(charSequence, start, end, maxEmojiCount, replaceAll);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
void updateEditorInfoAttrs(@NonNull EditorInfo outAttrs) {
|
|
|
|
|
outAttrs.extras.putInt(EDITOR_INFO_METAVERSION_KEY, mMetadataRepo.getMetadataVersion());
|
|
|
|
|
outAttrs.extras.putBoolean(EDITOR_INFO_REPLACE_ALL_KEY, mEmojiCompat.mReplaceAll);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
String getAssetSignature() {
|
|
|
|
|
final String sha = mMetadataRepo.getMetadataList().sourceSha();
|
|
|
|
|
return sha == null ? "" : sha;
|
|
|
|
|
|
M66B
2 months ago