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EmojiKeyboardProvider.java
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EmojiKeyboardProvider.java
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package org.thoughtcrime.securesms.components.emoji;
import android.content.Context;
import android.graphics.drawable.Drawable;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.viewpager.widget.PagerAdapter;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import org.thoughtcrime.securesms.R;
import org.thoughtcrime.securesms.components.emoji.EmojiPageViewGridAdapter.VariationSelectorListener;
import org.thoughtcrime.securesms.mms.GlideRequests;
import org.thoughtcrime.securesms.util.ResUtil;
import org.thoughtcrime.securesms.util.ThemeUtil;
import java.util.LinkedList;
import java.util.List;
/**
* A provider to select emoji in the {@link org.thoughtcrime.securesms.components.emoji.MediaKeyboard}.
*/
public class EmojiKeyboardProvider implements MediaKeyboardProvider,
MediaKeyboardProvider.TabIconProvider,
MediaKeyboardProvider.BackspaceObserver,
VariationSelectorListener
{
private static final KeyEvent DELETE_KEY_EVENT = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DEL);
private static final String RECENT_STORAGE_KEY = "pref_recent_emoji2";
private final Context context;
private final List<EmojiPageModel> models;
private final RecentEmojiPageModel recentModel;
private final EmojiPagerAdapter emojiPagerAdapter;
private final EmojiEventListener emojiEventListener;
private Controller controller;
public EmojiKeyboardProvider(@NonNull Context context, @Nullable EmojiEventListener emojiEventListener) {
this.context = context;
this.emojiEventListener = emojiEventListener;
this.models = new LinkedList<>();
this.recentModel = new RecentEmojiPageModel(context, RECENT_STORAGE_KEY);
this.emojiPagerAdapter = new EmojiPagerAdapter(context, models, new EmojiEventListener() {
@Override
public void onEmojiSelected(String emoji) {
recentModel.onCodePointSelected(emoji);
if (emojiEventListener != null) {
emojiEventListener.onEmojiSelected(emoji);
}
}
@Override
public void onKeyEvent(KeyEvent keyEvent) {
if (emojiEventListener != null) {
emojiEventListener.onKeyEvent(keyEvent);
}
}
}, this);
models.add(recentModel);
models.addAll(EmojiPages.DISPLAY_PAGES);
}
@Override
public void requestPresentation(@NonNull Presenter presenter, boolean isSoloProvider) {
presenter.present(this, emojiPagerAdapter, this, this, null, null, recentModel.getEmoji().size() > 0 ? 0 : 1);
}
@Override
public void setController(@Nullable Controller controller) {
this.controller = controller;
}
@Override
public int getProviderIconView(boolean selected) {
if (selected) {
return ThemeUtil.isDarkTheme(context) ? R.layout.emoji_keyboard_icon_dark_selected : R.layout.emoji_keyboard_icon_light_selected;
} else {
return ThemeUtil.isDarkTheme(context) ? R.layout.emoji_keyboard_icon_dark : R.layout.emoji_keyboard_icon_light;
}
}
@Override
public void loadCategoryTabIcon(@NonNull GlideRequests glideRequests, @NonNull ImageView imageView, int index) {
Drawable drawable = ResUtil.getDrawable(context, models.get(index).getIconAttr());
imageView.setImageDrawable(drawable);
}
@Override
public void onBackspaceClicked() {
if (emojiEventListener != null) {
emojiEventListener.onKeyEvent(DELETE_KEY_EVENT);
}
}
@Override
public void onVariationSelectorStateChanged(boolean open) {
if (controller != null) {
controller.setViewPagerEnabled(!open);
}
}
@Override
public boolean equals(@Nullable Object obj) {
return obj instanceof EmojiKeyboardProvider;
}
private static class EmojiPagerAdapter extends PagerAdapter {
private Context context;
private List<EmojiPageModel> pages;
private EmojiEventListener emojiSelectionListener;
private VariationSelectorListener variationSelectorListener;
public EmojiPagerAdapter(@NonNull Context context,
@NonNull List<EmojiPageModel> pages,
@NonNull EmojiEventListener emojiSelectionListener,
@NonNull VariationSelectorListener variationSelectorListener)
{
super();
this.context = context;
this.pages = pages;
this.emojiSelectionListener = emojiSelectionListener;
this.variationSelectorListener = variationSelectorListener;
}
@Override
public int getCount() {
return pages.size();
}
@Override
public @NonNull Object instantiateItem(@NonNull ViewGroup container, int position) {
EmojiPageView page = new EmojiPageView(context, emojiSelectionListener, variationSelectorListener, true);
page.setModel(pages.get(position));
container.addView(page);
return page;
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
container.removeView((View)object);
}
@Override
public void setPrimaryItem(ViewGroup container, int position, Object object) {
EmojiPageView current = (EmojiPageView) object;
current.onSelected();
super.setPrimaryItem(container, position, object);
}
@Override
public boolean isViewFromObject(View view, Object object) {
return view == object;
}
}
public interface EmojiEventListener {
void onEmojiSelected(String emoji);
void onKeyEvent(KeyEvent keyEvent);
}
}