Move RoomLastMessageFormatter and related class and resource to the new module eventformatter, in order to prepare rendering of state event in the timeline.

libraries/eventformatter/api/build.gradle.kts

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2022 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+plugins {
+    id("io.element.android-library")
+}
+
+android {
+    namespace = "io.element.android.libraries.eventformatter.api"
+}
+
+dependencies {
+    implementation(projects.libraries.matrix.api)
+}

libraries/eventformatter/api/src/main/kotlin/io/element/android/libraries/eventformatter/api/RoomLastMessageFormatter.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.eventformatter.api
+
+import io.element.android.libraries.matrix.api.timeline.item.event.EventTimelineItem
+
+interface RoomLastMessageFormatter {
+    fun processMessageItem(event: EventTimelineItem, isDmRoom: Boolean): CharSequence?
+}