RUM-7150: Add multiple extension support

detekt_custom.yml

@@ -858,6 +858,7 @@ datadog:
       - "kotlin.collections.List.contains(kotlin.String)"
       - "kotlin.collections.List.contains(kotlin.String)"
       - "kotlin.collections.List.count()"
+      - "kotlin.collections.List.distinct()"
       - "kotlin.collections.List.drop(kotlin.Int)"
       - "kotlin.collections.List.elementAtOrNull(kotlin.Int)"
       - "kotlin.collections.List.filter(kotlin.Function1)"
@@ -1014,17 +1015,20 @@ datadog:
       - "kotlin.collections.MutableMap?.forEach(kotlin.Function1)"
       - "kotlin.collections.MutableSet.add(com.datadog.android.api.feature.FeatureContextUpdateReceiver?)"
       - "kotlin.collections.MutableSet.add(com.datadog.android.core.internal.persistence.ConsentAwareStorage.Batch)"
+      - "kotlin.collections.MutableSet.add(com.datadog.android.sessionreplay.ExtensionSupport)"
       - "kotlin.collections.MutableSet.add(com.datadog.android.telemetry.internal.TelemetryEventId)"
       - "kotlin.collections.MutableSet.add(java.io.File)"
       - "kotlin.collections.MutableSet.add(kotlin.String)"
       - "kotlin.collections.MutableSet.add(kotlin.String?)"
       - "kotlin.collections.MutableSet.addAll(kotlin.collections.Collection)"
+      - "kotlin.collections.MutableSet.any(kotlin.Function1)"
       - "kotlin.collections.MutableSet.clear()"
       - "kotlin.collections.MutableSet.contains(com.datadog.android.telemetry.internal.TelemetryEventId)"
       - "kotlin.collections.MutableSet.contains(kotlin.String)"
       - "kotlin.collections.MutableSet.contains(kotlin.String?)"
       - "kotlin.collections.MutableSet.filter(kotlin.Function1)"
       - "kotlin.collections.MutableSet.firstOrNull(kotlin.Function1)"
+      - "kotlin.collections.MutableSet.flatMap(kotlin.Function1)"
       - "kotlin.collections.MutableSet.forEach(kotlin.Function1)"
       - "kotlin.collections.MutableSet.joinToString(kotlin.CharSequence, kotlin.CharSequence, kotlin.CharSequence, kotlin.Int, kotlin.CharSequence, kotlin.Function1?)"
       - "kotlin.collections.MutableSet.map(kotlin.Function1)"

features/dd-sdk-android-session-replay-compose/api/apiSurface

@@ -2,4 +2,5 @@ class com.datadog.android.sessionreplay.compose.ComposeExtensionSupport : com.da
   override fun getCustomViewMappers(): List<com.datadog.android.sessionreplay.MapperTypeWrapper<*>>
   override fun getOptionSelectorDetectors(): List<com.datadog.android.sessionreplay.recorder.OptionSelectorDetector>
   override fun getCustomDrawableMapper(): List<com.datadog.android.sessionreplay.utils.DrawableToColorMapper>
+  override fun name(): String
 annotation com.datadog.android.sessionreplay.compose.ExperimentalSessionReplayApi

features/dd-sdk-android-session-replay-compose/api/dd-sdk-android-session-replay-compose.api

@@ -4,6 +4,7 @@ public final class com/datadog/android/sessionreplay/compose/ComposeExtensionSup
 	public fun getCustomDrawableMapper ()Ljava/util/List;
 	public fun getCustomViewMappers ()Ljava/util/List;
 	public fun getOptionSelectorDetectors ()Ljava/util/List;
+	public fun name ()Ljava/lang/String;
 }
 
 public abstract interface annotation class com/datadog/android/sessionreplay/compose/ExperimentalSessionReplayApi : java/lang/annotation/Annotation {

features/dd-sdk-android-session-replay-compose/src/main/kotlin/com/datadog/android/sessionreplay/compose/ComposeExtensionSupport.kt

@@ -52,4 +52,11 @@ class ComposeExtensionSupport : ExtensionSupport {
     override fun getCustomDrawableMapper(): List<DrawableToColorMapper> {
         return emptyList()
     }
+
+    override fun name(): String =
+        COMPOSE_EXTENSION_SUPPORT_NAME
+
+    internal companion object {
+        internal const val COMPOSE_EXTENSION_SUPPORT_NAME = "ComposeExtensionSupport"
+    }
 }

features/dd-sdk-android-session-replay-compose/src/test/kotlin/com/datadog/android/sessionreplay/compose/ComposeExtensionSupportTest.kt

@@ -43,4 +43,13 @@ class ComposeExtensionSupportTest {
         val composeMapper = customMappers.firstOrNull { it.supportsView(mockView) }?.getUnsafeMapper()
         assertThat(composeMapper).isInstanceOf(SemanticsWireframeMapper::class.java)
     }
+
+    @Test
+    fun `M return name W name()`() {
+        // When
+        val name = testedExtensionSupport.name()
+
+        // Then
+        assertThat(name).isEqualTo(ComposeExtensionSupport.COMPOSE_EXTENSION_SUPPORT_NAME)
+    }
 }

features/dd-sdk-android-session-replay-material/api/apiSurface

@@ -2,3 +2,4 @@ class com.datadog.android.sessionreplay.material.MaterialExtensionSupport : com.
   override fun getCustomViewMappers(): List<com.datadog.android.sessionreplay.MapperTypeWrapper<*>>
   override fun getOptionSelectorDetectors(): List<com.datadog.android.sessionreplay.recorder.OptionSelectorDetector>
   override fun getCustomDrawableMapper(): List<com.datadog.android.sessionreplay.utils.DrawableToColorMapper>
+  override fun name(): String

features/dd-sdk-android-session-replay-material/api/dd-sdk-android-session-replay-material.api

@@ -3,5 +3,6 @@ public final class com/datadog/android/sessionreplay/material/MaterialExtensionS
 	public fun getCustomDrawableMapper ()Ljava/util/List;
 	public fun getCustomViewMappers ()Ljava/util/List;
 	public fun getOptionSelectorDetectors ()Ljava/util/List;
+	public fun name ()Ljava/lang/String;
 }
 

features/dd-sdk-android-session-replay-material/src/main/kotlin/com/datadog/android/sessionreplay/material/MaterialExtensionSupport.kt

@@ -87,4 +87,11 @@ class MaterialExtensionSupport : ExtensionSupport {
     override fun getCustomDrawableMapper(): List<DrawableToColorMapper> {
         return listOf(materialDrawableToColorMapper)
     }
+
+    override fun name(): String =
+        MATERIAL_EXTENSION_SUPPORT_NAME
+
+    internal companion object {
+        internal const val MATERIAL_EXTENSION_SUPPORT_NAME = "MaterialExtensionSupport"
+    }
 }

features/dd-sdk-android-session-replay-material/src/test/kotlin/com/datadog/android/sessionreplay/material/MaterialExtensionSupportTest.kt

@@ -6,6 +6,7 @@
 
 package com.datadog.android.sessionreplay.material
 
+import com.datadog.android.sessionreplay.material.MaterialExtensionSupport.Companion.MATERIAL_EXTENSION_SUPPORT_NAME
 import com.datadog.android.sessionreplay.material.internal.MaterialOptionSelectorDetector
 import com.datadog.android.sessionreplay.material.internal.SliderWireframeMapper
 import com.datadog.android.sessionreplay.material.internal.TabWireframeMapper
@@ -25,7 +26,7 @@ import org.mockito.quality.Strictness
 @MockitoSettings(strictness = Strictness.LENIENT)
 class MaterialExtensionSupportTest {
 
-    lateinit var testedMaterialExtensionSupport: MaterialExtensionSupport
+    private lateinit var testedMaterialExtensionSupport: MaterialExtensionSupport
 
     @BeforeEach
     fun `set up`() {
@@ -67,4 +68,10 @@ class MaterialExtensionSupportTest {
         assertThat(customDetectors.size).isEqualTo(1)
         assertThat(customDetectors[0]).isInstanceOf(MaterialOptionSelectorDetector::class.java)
     }
+
+    @Test
+    fun `M return name of extension W name`() {
+        // Then
+        assertThat(testedMaterialExtensionSupport.name()).isEqualTo(MATERIAL_EXTENSION_SUPPORT_NAME)
+    }
 }

features/dd-sdk-android-session-replay/api/apiSurface

@@ -1,4 +1,5 @@
 interface com.datadog.android.sessionreplay.ExtensionSupport
+  fun name(): String
   fun getCustomViewMappers(): List<MapperTypeWrapper<*>>
   fun getOptionSelectorDetectors(): List<com.datadog.android.sessionreplay.recorder.OptionSelectorDetector>
   fun getCustomDrawableMapper(): List<com.datadog.android.sessionreplay.utils.DrawableToColorMapper>
@@ -10,6 +11,8 @@ data class com.datadog.android.sessionreplay.MapperTypeWrapper<T: android.view.V
   constructor(Class<T>, com.datadog.android.sessionreplay.recorder.mapper.WireframeMapper<T>)
   fun supportsView(android.view.View): Boolean
   fun getUnsafeMapper(): com.datadog.android.sessionreplay.recorder.mapper.WireframeMapper<android.view.View>
+  override fun equals(Any?): Boolean
+  override fun hashCode(): Int
 interface com.datadog.android.sessionreplay.PrivacyLevel
 fun android.view.View.setSessionReplayHidden(Boolean)
 fun android.view.View.setSessionReplayImagePrivacy(ImagePrivacy?)
@@ -21,6 +24,7 @@ object com.datadog.android.sessionreplay.SessionReplay
   fun stopRecording(com.datadog.android.api.SdkCore = Datadog.getInstance())
 data class com.datadog.android.sessionreplay.SessionReplayConfiguration
   class Builder
+    constructor()
     constructor(Float = SAMPLE_IN_ALL_SESSIONS)
     fun addExtensionSupport(ExtensionSupport): Builder
     fun useCustomEndpoint(String): Builder

features/dd-sdk-android-session-replay/api/dd-sdk-android-session-replay.api

@@ -2,6 +2,7 @@ public abstract interface class com/datadog/android/sessionreplay/ExtensionSuppo
 	public abstract fun getCustomDrawableMapper ()Ljava/util/List;
 	public abstract fun getCustomViewMappers ()Ljava/util/List;
 	public abstract fun getOptionSelectorDetectors ()Ljava/util/List;
+	public abstract fun name ()Ljava/lang/String;
 }
 
 public final class com/datadog/android/sessionreplay/ImagePrivacy : java/lang/Enum, com/datadog/android/sessionreplay/PrivacyLevel {

features/dd-sdk-android-session-replay/src/main/kotlin/com/datadog/android/sessionreplay/ExtensionSupport.kt

@@ -19,6 +19,12 @@ import com.datadog.android.sessionreplay.utils.DrawableToColorMapper
  */
 interface ExtensionSupport {
 
+    /**
+     * Identifier for the extension.
+     * @return the name of this extension.
+     */
+    fun name(): String
+
     /**
      * Use this method if you want to apply a custom [WireframeMapper] for a specific [View].
      * @return the list of [MapperTypeWrapper]

features/dd-sdk-android-session-replay/src/main/kotlin/com/datadog/android/sessionreplay/MapperTypeWrapper.kt

@@ -38,4 +38,17 @@ data class MapperTypeWrapper<T : View>(
     fun getUnsafeMapper(): WireframeMapper<View> {
         return mapper as WireframeMapper<View>
     }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as MapperTypeWrapper<*>
+
+        return type == other.type
+    }
+
+    override fun hashCode(): Int {
+        return type.hashCode()
+    }
 }

features/dd-sdk-android-session-replay/src/main/kotlin/com/datadog/android/sessionreplay/SessionReplayConfiguration.kt

@@ -7,9 +7,10 @@
 package com.datadog.android.sessionreplay
 
 import androidx.annotation.FloatRange
-import com.datadog.android.sessionreplay.internal.NoOpExtensionSupport
+import com.datadog.android.api.InternalLogger
 import com.datadog.android.sessionreplay.recorder.OptionSelectorDetector
 import com.datadog.android.sessionreplay.utils.DrawableToColorMapper
+import java.util.Locale
 
 /**
  * Describes configuration to be used for the Session Replay feature.
@@ -31,11 +32,34 @@ data class SessionReplayConfiguration internal constructor(
 
     /**
      * A Builder class for a [SessionReplayConfiguration].
-     * @param sampleRate must be a value between 0 and 100. A value of 0
-     * means no session will be recorded, 100 means all sessions will be recorded.
-     * If this value is not provided then Session Replay will default to a 100 sample rate.
      */
-    class Builder(@FloatRange(from = 0.0, to = 100.0) private val sampleRate: Float = SAMPLE_IN_ALL_SESSIONS) {
+    @Suppress("TooManyFunctions")
+    class Builder {
+        private val logger: InternalLogger
+        private val sampleRate: Float
+
+        /**
+         * Calling this constructor will default to a 100% session sampling rate.
+         */
+        constructor() : this(SAMPLE_IN_ALL_SESSIONS, InternalLogger.UNBOUND)
+
+        /**
+         * @param sampleRate must be a value between 0 and 100. A value of 0
+         * means no session will be recorded, 100 means all sessions will be recorded.
+         * If this value is not provided then Session Replay will default to a 100 sample rate.
+         */
+        constructor(
+            @FloatRange(from = 0.0, to = 100.0) sampleRate: Float = SAMPLE_IN_ALL_SESSIONS
+        ) : this(sampleRate, InternalLogger.UNBOUND)
+
+        internal constructor(
+            @FloatRange(from = 0.0, to = 100.0) sampleRate: Float,
+            logger: InternalLogger
+        ) {
+            this.sampleRate = sampleRate
+            this.logger = logger
+        }
+
         private var customEndpointUrl: String? = null
         private var privacy = SessionReplayPrivacy.MASK
 
@@ -46,7 +70,7 @@ data class SessionReplayConfiguration internal constructor(
         private var startRecordingImmediately = true
         private var touchPrivacy = TouchPrivacy.HIDE
         private var textAndInputPrivacy = TextAndInputPrivacy.MASK_ALL
-        private var extensionSupport: ExtensionSupport = NoOpExtensionSupport()
+        private var extensionSupportSet: MutableSet<ExtensionSupport> = mutableSetOf()
         private var dynamicOptimizationEnabled = true
         private var systemRequirementsConfiguration = SystemRequirementsConfiguration.NONE
 
@@ -57,7 +81,16 @@ data class SessionReplayConfiguration internal constructor(
          * @see [ExtensionSupport.getLegacyCustomViewMappers]
          */
         fun addExtensionSupport(extensionSupport: ExtensionSupport): Builder {
-            this.extensionSupport = extensionSupport
+            if (this.extensionSupportSet.any { it.name() == extensionSupport.name() }) {
+                logger.log(
+                    target = InternalLogger.Target.MAINTAINER,
+                    level = InternalLogger.Level.WARN,
+                    messageBuilder = { DUPLICATE_EXTENSION_DETECTED.format(Locale.US, extensionSupport.name()) }
+                )
+            } else {
+                this.extensionSupportSet.add(extensionSupport)
+            }
+
             return this
         }
 
@@ -188,8 +221,8 @@ data class SessionReplayConfiguration internal constructor(
                 touchPrivacy = touchPrivacy,
                 textAndInputPrivacy = textAndInputPrivacy,
                 customMappers = customMappers(),
-                customOptionSelectorDetectors = extensionSupport.getOptionSelectorDetectors(),
-                customDrawableMappers = extensionSupport.getCustomDrawableMapper(),
+                customOptionSelectorDetectors = optionsSelectorDetectors(),
+                customDrawableMappers = customDrawableMappers(),
                 sampleRate = sampleRate,
                 startRecordingImmediately = startRecordingImmediately,
                 dynamicOptimizationEnabled = dynamicOptimizationEnabled,
@@ -198,11 +231,32 @@ data class SessionReplayConfiguration internal constructor(
         }
 
         private fun customMappers(): List<MapperTypeWrapper<*>> {
-            return extensionSupport.getCustomViewMappers()
+            val allItems = extensionSupportSet.flatMap { it.getCustomViewMappers() }
+
+            allItems.groupBy { it }
+                .filter { it.value.size > 1 }
+                .forEach { (item, _) ->
+                    logger.log(
+                        target = InternalLogger.Target.MAINTAINER,
+                        level = InternalLogger.Level.WARN,
+                        messageBuilder = { DUPLICATE_MAPPER_DETECTED.format(Locale.US, item.type) }
+                    )
+                }
+
+            return allItems.distinct().toList()
         }
 
+        private fun customDrawableMappers(): List<DrawableToColorMapper> =
+            extensionSupportSet.flatMap { it.getCustomDrawableMapper() }.toList()
+
+        private fun optionsSelectorDetectors(): List<OptionSelectorDetector> =
+            extensionSupportSet.flatMap { it.getOptionSelectorDetectors() }.toList()
+
         internal companion object {
             internal const val SAMPLE_IN_ALL_SESSIONS = 100.0f
+            internal const val DUPLICATE_EXTENSION_DETECTED =
+                "Attempting to add support twice for the same extension %s. The duplicate will be ignored."
+            internal const val DUPLICATE_MAPPER_DETECTED = "Duplicate mapper for %s. The duplicate will be ignored."
         }
     }
 }