feat: call start confirmation

common/src/main/assets/lang/en_US.json

@@ -332,6 +332,10 @@
                         "name": "Message Preview Length",
                         "description": "Specify the amount of messages to get previewed"
                     },
+                    "call_start_confirmation": {
+                        "name": "Call Start Confirmation",
+                        "description": "Shows a confirmation dialog when starting a call"
+                    },
                     "prevent_message_sending": {
                         "name": "Prevent Message Sending",
                         "description": "Prevents sending certain types of messages"
@@ -785,6 +789,11 @@
         "background_option": "Background"
     },
 
+    "call_start_confirmation": {
+        "dialog_title": "Start Call",
+        "dialog_message": "Are you sure you want to start a call?"
+    },
+
     "download_processor": {
         "attachment_type": {
             "snap": "Snap",

common/src/main/kotlin/me/rhunk/snapenhance/common/config/impl/MessagingTweaks.kt

@@ -11,6 +11,7 @@ class MessagingTweaks : ConfigContainer() {
     val unlimitedSnapViewTime = boolean("unlimited_snap_view_time")
     val disableReplayInFF = boolean("disable_replay_in_ff")
     val messagePreviewLength = integer("message_preview_length", defaultValue = 20)
+    val callStartConfirmation = boolean("call_start_confirmation") { requireRestart() }
     val autoSaveMessagesInConversations = multiple("auto_save_messages_in_conversations",
         "CHAT",
         "SNAP",

core/src/main/kotlin/me/rhunk/snapenhance/core/features/impl/messaging/CallStartConfirmation.kt

@@ -0,0 +1,53 @@
+package me.rhunk.snapenhance.core.features.impl.messaging
+
+import android.annotation.SuppressLint
+import android.view.MotionEvent
+import android.view.View
+import me.rhunk.snapenhance.core.features.Feature
+import me.rhunk.snapenhance.core.features.FeatureLoadParams
+import me.rhunk.snapenhance.core.ui.ViewAppearanceHelper
+import me.rhunk.snapenhance.core.util.hook.HookAdapter
+import me.rhunk.snapenhance.core.util.hook.HookStage
+import me.rhunk.snapenhance.core.util.hook.hook
+
+class CallStartConfirmation : Feature("CallStartConfirmation", loadParams = FeatureLoadParams.ACTIVITY_CREATE_SYNC) {
+    private fun hookTouchEvent(param: HookAdapter, motionEvent: MotionEvent, onConfirm: () -> Unit) {
+        if (motionEvent.action != MotionEvent.ACTION_UP) return
+        param.setResult(true)
+        ViewAppearanceHelper.newAlertDialogBuilder(context.mainActivity)
+            .setTitle(context.translation["call_start_confirmation.dialog_title"])
+            .setMessage(context.translation["call_start_confirmation.dialog_message"])
+            .setPositiveButton(context.translation["button.positive"]) { _, _ -> onConfirm() }
+            .setNeutralButton(context.translation["button.negative"]) { _, _ -> }
+            .show()
+    }
+
+    @SuppressLint("DiscouragedApi")
+    override fun onActivityCreate() {
+        if (!context.config.messaging.callStartConfirmation.get()) return
+
+        findClass("com.snap.composer.views.ComposerRootView").hook("dispatchTouchEvent", HookStage.BEFORE) { param ->
+            if (param.thisObject<Any>()::class.java.name != "com.snap.talk.CallButtonsView") return@hook
+            hookTouchEvent(param, param.arg(0)) {
+                param.invokeOriginal()
+            }
+        }
+
+        val callButton1 = context.resources.getIdentifier("friend_action_button3", "id", "com.snapchat.android")
+        val callButton2 = context.resources.getIdentifier("friend_action_button4", "id", "com.snapchat.android")
+
+        findClass("com.snap.ui.view.stackdraw.StackDrawLayout").hook("onTouchEvent", HookStage.BEFORE) { param ->
+            val view = param.thisObject<View>()
+            if (view.id != callButton1 && view.id != callButton2) return@hook
+
+            hookTouchEvent(param, param.arg(0)) {
+                arrayOf(
+                    MotionEvent.obtain(0, 0, MotionEvent.ACTION_DOWN, 0f, 0f, 0),
+                    MotionEvent.obtain(0, 0, MotionEvent.ACTION_UP, 0f, 0f, 0)
+                ).forEach {
+                    param.invokeOriginal(arrayOf(it))
+                }
+            }
+        }
+    }
+}

core/src/main/kotlin/me/rhunk/snapenhance/core/manager/impl/FeatureManager.kt

@@ -101,6 +101,7 @@ class FeatureManager(
             HideStreakRestore::class,
             HideFriendFeedEntry::class,
             HideQuickAddFriendFeed::class,
+            CallStartConfirmation::class,
         )
 
         initializeFeatures()