Reply to initialPing

Author: CrisBarreiro

app/src/main/java/com/duckduckgo/app/browser/BrowserTabViewModel.kt

@@ -3672,6 +3672,16 @@ class BrowserTabViewModel @Inject constructor(
             "breakageReportResult" -> if (data != null) {
                 breakageReportResult(data)
             }
+            "initialPing" -> {
+                // TODO: Eventually, we might want plugins here
+                val response = JSONObject(
+                    mapOf(
+                        "desktopModeEnabled" to (getSite()?.isDesktopMode ?: false),
+                        "forcedZoomEnabled" to (accessibilityViewState.value?.forceZoom ?: false),
+                    ),
+                )
+                onResponse(response)
+            }
         }
     }
 

content-scope-scripts/content-scope-scripts-impl/src/main/java/com/duckduckgo/contentscopescripts/impl/AdsjsMessagingContentScopeJsMessageHandler.kt

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2025 DuckDuckGo
+ *
+ * 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 com.duckduckgo.contentscopescripts.impl
+
+import com.duckduckgo.contentscopescripts.api.AdsjsContentScopeJsMessageHandlersPlugin
+import com.duckduckgo.di.scopes.ActivityScope
+import com.duckduckgo.js.messaging.api.AdsjsJsMessageCallback
+import com.duckduckgo.js.messaging.api.AdsjsMessageHandler
+import com.duckduckgo.js.messaging.api.JsMessage
+import com.squareup.anvil.annotations.ContributesMultibinding
+import javax.inject.Inject
+import org.json.JSONObject
+
+@ContributesMultibinding(ActivityScope::class)
+class AdsjsMessagingContentScopeJsMessageHandler @Inject constructor() : AdsjsContentScopeJsMessageHandlersPlugin {
+
+    override fun getJsMessageHandler(): AdsjsMessageHandler = object : AdsjsMessageHandler {
+
+        override fun process(
+            jsMessage: JsMessage,
+            jsMessageCallback: AdsjsJsMessageCallback?,
+            onResponse: (JSONObject) -> Unit,
+        ) {
+            jsMessageCallback?.process(featureName, jsMessage.method, jsMessage.id, jsMessage.params, onResponse)
+        }
+
+        override val featureName: String = "messaging"
+        override val methods: List<String> = listOf("initialPing")
+    }
+}