104 lines
3.1 KiB
Java
104 lines
3.1 KiB
Java
package org.thoughtcrime.securesms.components.emoji;
|
|
|
|
import android.content.Context;
|
|
import android.content.SharedPreferences;
|
|
import android.os.AsyncTask;
|
|
import android.preference.PreferenceManager;
|
|
import android.support.annotation.NonNull;
|
|
import android.util.Log;
|
|
|
|
import com.fasterxml.jackson.databind.type.CollectionType;
|
|
import com.fasterxml.jackson.databind.type.TypeFactory;
|
|
|
|
import org.thoughtcrime.securesms.R;
|
|
import org.thoughtcrime.securesms.util.JsonUtils;
|
|
|
|
import java.io.IOException;
|
|
import java.util.Iterator;
|
|
import java.util.LinkedHashSet;
|
|
|
|
public class RecentEmojiPageModel implements EmojiPageModel {
|
|
private static final String TAG = RecentEmojiPageModel.class.getSimpleName();
|
|
private static final String EMOJI_LRU_PREFERENCE = "pref_recent_emoji2";
|
|
private static final int EMOJI_LRU_SIZE = 50;
|
|
|
|
private final SharedPreferences prefs;
|
|
private final LinkedHashSet<String> recentlyUsed;
|
|
|
|
public RecentEmojiPageModel(Context context) {
|
|
this.prefs = PreferenceManager.getDefaultSharedPreferences(context);
|
|
this.recentlyUsed = getPersistedCache();
|
|
}
|
|
|
|
private LinkedHashSet<String> getPersistedCache() {
|
|
String serialized = prefs.getString(EMOJI_LRU_PREFERENCE, "[]");
|
|
try {
|
|
CollectionType collectionType = TypeFactory.defaultInstance()
|
|
.constructCollectionType(LinkedHashSet.class, String.class);
|
|
return JsonUtils.getMapper().readValue(serialized, collectionType);
|
|
} catch (IOException e) {
|
|
Log.w(TAG, e);
|
|
return new LinkedHashSet<>();
|
|
}
|
|
}
|
|
|
|
@Override public int getIconAttr() {
|
|
return R.attr.emoji_category_recent;
|
|
}
|
|
|
|
@Override public String[] getEmoji() {
|
|
return toReversePrimitiveArray(recentlyUsed);
|
|
}
|
|
|
|
@Override public boolean hasSpriteMap() {
|
|
return false;
|
|
}
|
|
|
|
@Override public String getSprite() {
|
|
return null;
|
|
}
|
|
|
|
@Override public boolean isDynamic() {
|
|
return true;
|
|
}
|
|
|
|
public void onCodePointSelected(String emoji) {
|
|
Log.w(TAG, "onCodePointSelected(" + emoji + ")");
|
|
recentlyUsed.remove(emoji);
|
|
recentlyUsed.add(emoji);
|
|
|
|
if (recentlyUsed.size() > EMOJI_LRU_SIZE) {
|
|
Iterator<String> iterator = recentlyUsed.iterator();
|
|
iterator.next();
|
|
iterator.remove();
|
|
}
|
|
|
|
final LinkedHashSet<String> latestRecentlyUsed = new LinkedHashSet<>(recentlyUsed);
|
|
new AsyncTask<Void, Void, Void>() {
|
|
|
|
@Override
|
|
protected Void doInBackground(Void... params) {
|
|
try {
|
|
String serialized = JsonUtils.toJson(latestRecentlyUsed);
|
|
prefs.edit()
|
|
.putString(EMOJI_LRU_PREFERENCE, serialized)
|
|
.apply();
|
|
} catch (IOException e) {
|
|
Log.w(TAG, e);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
}.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
|
|
}
|
|
|
|
private String[] toReversePrimitiveArray(@NonNull LinkedHashSet<String> emojiSet) {
|
|
String[] emojis = new String[emojiSet.size()];
|
|
int i = emojiSet.size() - 1;
|
|
for (String emoji : emojiSet) {
|
|
emojis[i--] = emoji;
|
|
}
|
|
return emojis;
|
|
}
|
|
}
|