Extract EmojiPicker into libraries/emoji with Renderer/Presenter pattern

libraries/emoji/api/src/main/kotlin/io/element/android/libraries/emoji/api/EmojibaseProvider.kt

@@ -1,15 +0,0 @@
-/*
- * Copyright (c) 2025 Element Creations Ltd.
- * Copyright 2025 New Vector Ltd.
- *
- * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
- * Please see LICENSE files in the repository root for full details.
- */
-
-package io.element.android.libraries.emoji.api
-
-import io.element.android.emojibasebindings.EmojibaseStore
-
-interface EmojibaseProvider {
-    val emojibaseStore: EmojibaseStore
-}

libraries/emoji/api/src/main/kotlin/io/element/android/libraries/emoji/api/picker/EmojiPickerPresenter.kt

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2026 Element Creations Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.emoji.api.picker
+
+import io.element.android.libraries.architecture.Presenter
+
+fun interface EmojiPickerPresenter : Presenter<EmojiPickerState>

libraries/emoji/api/src/main/kotlin/io/element/android/libraries/emoji/api/picker/EmojiPickerRenderer.kt

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2026 Element Creations Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.emoji.api.picker
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Immutable
+import androidx.compose.ui.Modifier
+import io.element.android.emojibasebindings.Emoji
+import kotlinx.collections.immutable.ImmutableSet
+
+@Immutable
+interface EmojiPickerRenderer {
+    /**
+     * @param state opaque state produced by [EmojiPickerPresenter.present].
+     * @param onSelectEmoji invoked when the user taps an emoji (including a skin-tone variant).
+     * @param selectedEmojis emojis to visually mark as already selected.
+     * @param modifier layout modifier for the picker container.
+     * @param contentDescription accessibility label for each emoji cell.
+     */
+    @Composable
+    fun Render(
+        state: EmojiPickerState,
+        onSelectEmoji: (Emoji) -> Unit,
+        selectedEmojis: ImmutableSet<String>,
+        modifier: Modifier = Modifier,
+        contentDescription: @Composable (Emoji, Boolean) -> String = { emoji, _ -> emoji.unicode },
+    )
+}

libraries/emoji/api/src/main/kotlin/io/element/android/libraries/emoji/api/picker/EmojiPickerState.kt

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2026 Element Creations Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.emoji.api.picker
+
+/**
+ * Opaque state produced by an [EmojiPickerPresenter] and consumed by an [EmojiPickerRenderer].
+ */
+interface EmojiPickerState {
+    /**
+     * `true` once the picker has finished loading its data and is safe to display.
+     * Callers should typically defer showing the picker (or its container, e.g. a bottom sheet)
+     * until this flips to `true` to avoid flashing an empty picker.
+     */
+    val isReady: Boolean
+}