Sponsor badge: shimmering heart + tap-to-explain bulletin

- Replace static star with self-animating iridescent ShimmerHeartDrawable
- Move badge to clickable rightDrawable slot; tap shows a Nekogram-style
  bulletin explaining why the badge was granted
- Add en/ru strings; drop unused vector resource

TMessagesProj/src/main/java/org/telegram/ui/ProfileActivity.java

@@ -11180,17 +11180,23 @@ public class ProfileActivity extends BaseFragment implements NotificationCenter.
 
     private Drawable getFoxSponsorDrawable(int a) {
         if (foxSponsorDrawable[a] == null) {
-            Drawable d = ContextCompat.getDrawable(getParentActivity(), R.drawable.foxsponsor_badge).mutate();
-            int color = getThemedColor(Theme.key_profile_verifiedBackground);
-            if (a == 1) {
-                color = dontApplyPeerColor(color);
-            }
-            d.setColorFilter(color, PorterDuff.Mode.SRC_IN);
-            foxSponsorDrawable[a] = d;
+            foxSponsorDrawable[a] = new tw.nekomimi.nekogram.helpers.ShimmerHeartDrawable(AndroidUtilities.dp(a == 1 ? 22 : 18));
         }
         return foxSponsorDrawable[a];
     }
 
+    private void showSponsorInfo() {
+        if (getParentActivity() == null) {
+            return;
+        }
+        BulletinFactory.of(ProfileActivity.this)
+                .createSimpleBulletin(
+                        new tw.nekomimi.nekogram.helpers.ShimmerHeartDrawable(AndroidUtilities.dp(28)),
+                        LocaleController.getString(R.string.FoxSponsorBadge),
+                        LocaleController.getString(R.string.FoxSponsorBadgeInfo))
+                .show();
+    }
+
     private Drawable getPremiumCrossfadeDrawable(int a) {
         if (premiumCrossfadeDrawable[a] == null) {
             premiumStarDrawable[a] = ContextCompat.getDrawable(getParentActivity(), R.drawable.msg_premium_liststar).mutate();
@@ -11550,7 +11556,7 @@ public class ProfileActivity extends BaseFragment implements NotificationCenter.
                     }, resourcesProvider);
                 } : null);
                 Drawable leftIcon = currentEncryptedChat != null ? getLockIconDrawable() : null;
-                boolean rightIconIsPremium = false, rightIconIsStatus = false;
+                boolean rightIconIsPremium = false, rightIconIsStatus = false, rightIconIsSponsor = false;
                 nameTextView[a].setRightDrawableOutside(a == 0);
                 if (a == 0 && !copyFromChatActivity) {
                     if (user.scam || user.fake) {
@@ -11562,14 +11568,15 @@ public class ProfileActivity extends BaseFragment implements NotificationCenter.
                     } else if (getMessagesController().isDialogMuted(dialogId != 0 ? dialogId : userId, topicId)) {
                         nameTextView[a].setRightDrawable2(getThemedDrawable(Theme.key_drawable_muteIconDrawable));
                         nameTextViewRightDrawable2ContentDescription = LocaleController.getString(R.string.NotificationsMuted);
-                    } else if (user.self && SponsorHelper.isSponsor(user.id)) {
-                        nameTextView[a].setRightDrawable2(getFoxSponsorDrawable(a));
-                        nameTextViewRightDrawable2ContentDescription = LocaleController.getString(R.string.FoxSponsorBadge);
                     } else {
                         nameTextView[a].setRightDrawable2(null);
                         nameTextViewRightDrawable2ContentDescription = null;
                     }
-                    if (user != null/* && !getMessagesController().premiumFeaturesBlocked()*/ && !MessagesController.isSupportUser(user) && DialogObject.getEmojiStatusDocumentId(user.emoji_status) != 0) {
+                    if (user.self && SponsorHelper.isSponsor(user.id)) {
+                        rightIconIsSponsor = true;
+                        nameTextView[a].setRightDrawable(getFoxSponsorDrawable(a));
+                        nameTextViewRightDrawableContentDescription = LocaleController.getString(R.string.FoxSponsorBadge);
+                    } else if (user != null/* && !getMessagesController().premiumFeaturesBlocked()*/ && !MessagesController.isSupportUser(user) && DialogObject.getEmojiStatusDocumentId(user.emoji_status) != 0) {
                         rightIconIsStatus = true;
                         rightIconIsPremium = false;
                         nameTextView[a].setRightDrawable(getEmojiStatusDrawable(user.emoji_status, false, false, a));
@@ -11588,12 +11595,13 @@ public class ProfileActivity extends BaseFragment implements NotificationCenter.
                         nameTextView[a].setRightDrawable2(getScamDrawable(user.scam ? 0 : 1));
                     } else if (user.verified) {
                         nameTextView[a].setRightDrawable2(getVerifiedCrossfadeDrawable(a));
-                    } else if (user.self && SponsorHelper.isSponsor(user.id)) {
-                        nameTextView[a].setRightDrawable2(getFoxSponsorDrawable(a));
                     } else {
                         nameTextView[a].setRightDrawable2(null);
                     }
-                    if (/*!getMessagesController().premiumFeaturesBlocked() && */user != null && !MessagesController.isSupportUser(user) && DialogObject.getEmojiStatusDocumentId(user.emoji_status) != 0) {
+                    if (user.self && SponsorHelper.isSponsor(user.id)) {
+                        rightIconIsSponsor = true;
+                        nameTextView[a].setRightDrawable(getFoxSponsorDrawable(a));
+                    } else if (/*!getMessagesController().premiumFeaturesBlocked() && */user != null && !MessagesController.isSupportUser(user) && DialogObject.getEmojiStatusDocumentId(user.emoji_status) != 0) {
                         rightIconIsStatus = true;
                         rightIconIsPremium = false;
                         nameTextView[a].setRightDrawable(getEmojiStatusDrawable(user.emoji_status, true, true, a));
@@ -11612,10 +11620,12 @@ public class ProfileActivity extends BaseFragment implements NotificationCenter.
                     nameTextView[a].setLeftDrawableOutside(false);
                 }
                 nameTextView[a].setLeftDrawable(leftIcon);
-                if (a == 1 && (rightIconIsStatus || rightIconIsPremium)) {
+                if (a == 1 && (rightIconIsStatus || rightIconIsPremium || rightIconIsSponsor)) {
                     nameTextView[a].setRightDrawableOutside(true);
                 }
-                if (user.self && getMessagesController().isPremiumUser(user)) {
+                if (rightIconIsSponsor) {
+                    nameTextView[a].setRightDrawableOnClick(v -> showSponsorInfo());
+                } else if (user.self && getMessagesController().isPremiumUser(user)) {
                     nameTextView[a].setRightDrawableOnClick(v -> {
                         showStatusSelect();
                     });

TMessagesProj/src/main/java/tw/nekomimi/nekogram/helpers/ShimmerHeartDrawable.java

@@ -0,0 +1,128 @@
+package tw.nekomimi.nekogram.helpers;
+
+import android.graphics.Canvas;
+import android.graphics.ColorFilter;
+import android.graphics.LinearGradient;
+import android.graphics.Matrix;
+import android.graphics.Paint;
+import android.graphics.Path;
+import android.graphics.PixelFormat;
+import android.graphics.Rect;
+import android.graphics.Shader;
+import android.graphics.drawable.Drawable;
+
+import androidx.annotation.NonNull;
+
+import org.telegram.messenger.AndroidUtilities;
+
+/**
+ * A heart-shaped badge filled with a continuously moving iridescent gradient
+ * ("shimmer"). It self-invalidates each frame, so when attached to a view via
+ * {@code setRightDrawable(...)} the host keeps repainting automatically (the
+ * SimpleTextView drawable callback chain handles invalidation).
+ */
+public class ShimmerHeartDrawable extends Drawable {
+
+    private final Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
+    private final Path heart = new Path();
+    private final Matrix gradientMatrix = new Matrix();
+
+    private LinearGradient gradient;
+    private int lastWidth = -1;
+    private int gradientWidth;
+
+    // Iridescent palette swept across the heart.
+    private static final int[] COLORS = new int[] {
+            0xFFFF4D6D, // pink-red
+            0xFFFF8FA3, // light pink
+            0xFFFFC2D1, // pale
+            0xFFFF5C8A, // magenta
+            0xFFFF1E56, // deep red
+            0xFFFF4D6D, // back to start (seamless loop)
+    };
+
+    private static final long CYCLE_MS = 2200L;
+    private final int size;
+
+    public ShimmerHeartDrawable() {
+        this(AndroidUtilities.dp(18));
+    }
+
+    public ShimmerHeartDrawable(int sizePx) {
+        this.size = sizePx;
+        paint.setStyle(Paint.Style.FILL);
+    }
+
+    private void buildGradient(int width) {
+        gradientWidth = width * 2;
+        gradient = new LinearGradient(0, 0, gradientWidth, 0, COLORS, null, Shader.TileMode.MIRROR);
+        paint.setShader(gradient);
+        lastWidth = width;
+    }
+
+    private void buildHeart(Rect b) {
+        heart.reset();
+        float w = b.width();
+        float h = b.height();
+        float l = b.left;
+        float t = b.top;
+        // Heart path normalized to the bounds.
+        float cx = l + w / 2f;
+        heart.moveTo(cx, t + h * 0.30f);
+        heart.cubicTo(l + w * 0.40f, t + h * 0.05f, l + w * 0.02f, t + h * 0.18f, l + w * 0.10f, t + h * 0.45f);
+        heart.cubicTo(l + w * 0.17f, t + h * 0.66f, l + w * 0.40f, t + h * 0.80f, cx, t + h * 0.97f);
+        heart.cubicTo(l + w * 0.60f, t + h * 0.80f, l + w * 0.83f, t + h * 0.66f, l + w * 0.90f, t + h * 0.45f);
+        heart.cubicTo(l + w * 0.98f, t + h * 0.18f, l + w * 0.60f, t + h * 0.05f, cx, t + h * 0.30f);
+        heart.close();
+    }
+
+    @Override
+    protected void onBoundsChange(@NonNull Rect bounds) {
+        super.onBoundsChange(bounds);
+        buildHeart(bounds);
+        buildGradient(bounds.width());
+    }
+
+    @Override
+    public void draw(@NonNull Canvas canvas) {
+        Rect b = getBounds();
+        if (b.width() == 0 || b.height() == 0) {
+            return;
+        }
+        if (gradient == null || lastWidth != b.width()) {
+            buildGradient(b.width());
+            buildHeart(b);
+        }
+        float phase = (System.currentTimeMillis() % CYCLE_MS) / (float) CYCLE_MS;
+        gradientMatrix.reset();
+        gradientMatrix.setTranslate(b.left - phase * gradientWidth, 0);
+        gradient.setLocalMatrix(gradientMatrix);
+        canvas.drawPath(heart, paint);
+        invalidateSelf();
+    }
+
+    @Override
+    public int getIntrinsicWidth() {
+        return size;
+    }
+
+    @Override
+    public int getIntrinsicHeight() {
+        return size;
+    }
+
+    @Override
+    public void setAlpha(int alpha) {
+        paint.setAlpha(alpha);
+    }
+
+    @Override
+    public void setColorFilter(ColorFilter colorFilter) {
+        paint.setColorFilter(colorFilter);
+    }
+
+    @Override
+    public int getOpacity() {
+        return PixelFormat.TRANSLUCENT;
+    }
+}

TMessagesProj/src/main/res/drawable/foxsponsor_badge.xml

@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-    <path
-        android:fillColor="#FFFFFF"
-        android:pathData="M12,2L14.6,7.27L20.42,8.12L16.21,12.22L17.2,18.02L12,15.28L6.8,18.02L7.79,12.22L3.58,8.12L9.4,7.27L12,2Z" />
-</vector>

TMessagesProj/src/main/res/values-ru/strings_neko.xml

@@ -322,5 +322,7 @@
     <string name="TabsPositionBottom">Снизу</string>
     <string name="StrokeOnViews">Эффекты бликов</string>
     <!-- Accessibility -->
-    <string name="AccessibilitySettings">Настройки доступности</string>
+    <string name="AccessibilitySettings">Настройки специальных возможностей</string>
+    <string name="FoxSponsorBadge">Спонсор</string>
+    <string name="FoxSponsorBadgeInfo">Эта отметка выдана за поддержку проекта. Спасибо!</string>
 </resources>

TMessagesProj/src/main/res/values/strings_neko.xml

@@ -150,6 +150,7 @@
     <string name="NekogramVersion">FoxiGram %1$s\nBased on Telegram %2$s\nDesigned by %3$s</string>
     <string name="UpdateInstalling">Installing update...</string>
     <string name="FoxSponsorBadge">Sponsor</string>
+    <string name="FoxSponsorBadgeInfo">You received this badge for supporting the project. Thank you!</string>
     <string name="UpdateDownloading">Downloading update...</string>
     <string name="UpdateInstallingNotification">A notification will be shown when the update completes.</string>
     <string name="UpdateInstallingRelaunch">The app will relaunch when the update completes.</string>