Add the application-side logic of the Ambient Context Sensing cluster server handler to all-devices-app

examples/all-devices-app/all-devices-common/device-factory/BUILD.gn

@@ -33,6 +33,7 @@ source_set("device-factory") {
     "${chip_root}/examples/all-devices-app/all-devices-common/devices/aggregator",
     "${chip_root}/examples/all-devices-app/all-devices-common/devices/air-purifier/impl:logging",
     "${chip_root}/examples/all-devices-app/all-devices-common/devices/air-quality-sensor",
+    "${chip_root}/examples/all-devices-app/all-devices-common/devices/ambient-context-sensor/impl:logging",
     "${chip_root}/examples/all-devices-app/all-devices-common/devices/boolean-state-sensor",
     "${chip_root}/examples/all-devices-app/all-devices-common/devices/bridged-node",
     "${chip_root}/examples/all-devices-app/all-devices-common/devices/chime",

examples/all-devices-app/all-devices-common/device-factory/DeviceFactory.h

@@ -22,6 +22,7 @@
 #include <devices/aggregator/AggregatorDevice.h>
 #include <devices/air-purifier/impl/LoggingAirPurifierDevice.h>
 #include <devices/air-quality-sensor/AirQualitySensorDevice.h>
+#include <devices/ambient-context-sensor/impl/LoggingAmbientContextSensorDevice.h>
 #include <devices/boolean-state-sensor/BooleanStateSensorDevice.h>
 #include <devices/bridged-node/BridgedNodeDevice.h>
 #include <devices/chime/ChimeDevice.h>
@@ -205,6 +206,14 @@ class DeviceFactory
                     });
             });
         }
+        if constexpr (ALL_DEVICES_ENABLE_AMBIENT_CONTEXT_SENSOR)
+        {
+            RegisterCreator("ambient-context-sensor", [this]() {
+                VerifyOrDie(mContext.has_value());
+                return std::make_unique<Clusters::AmbientContextSensing::LoggingAmbientContextSensorDevice>(
+                    mContext->timerDelegate);
+            });
+        }
         if constexpr (ALL_DEVICES_ENABLE_BRIDGED_NODE)
         {
             RegisterCreator("bridged-node", [this](const std::string & nodeLabel) {

examples/all-devices-app/all-devices-common/device-factory/enabled_devices.cmake

@@ -41,6 +41,8 @@ set(ALL_DEVICES_DEVICE_SOURCES
     "${ALL_DEVICES_COMMON_DIR}/devices/air-purifier/AirPurifierDevice.cpp"
     "${ALL_DEVICES_COMMON_DIR}/devices/air-purifier/impl/LoggingAirPurifierDevice.cpp"
     "${ALL_DEVICES_COMMON_DIR}/devices/air-quality-sensor/AirQualitySensorDevice.cpp"
+    "${ALL_DEVICES_COMMON_DIR}/devices/ambient-context-sensor/AmbientContextSensorDevice.cpp"
+    "${ALL_DEVICES_COMMON_DIR}/devices/ambient-context-sensor/impl/LoggingAmbientContextSensorDevice.cpp"
     "${ALL_DEVICES_COMMON_DIR}/devices/boolean-state-sensor/BooleanStateSensorDevice.cpp"
     "${ALL_DEVICES_COMMON_DIR}/devices/bridged-node/BridgedNodeDevice.cpp"
     "${ALL_DEVICES_COMMON_DIR}/devices/chime/ChimeDevice.cpp"
@@ -147,6 +149,7 @@ foreach(_key
         aggregator
         air-purifier
         air-quality-sensor
+        ambient-context-sensor
         bridged-node
         chime
         contact-sensor

examples/all-devices-app/all-devices-common/device-factory/enabled_devices.gni

@@ -54,6 +54,10 @@ _available_devices = [
     "air-quality-sensor",
     "AIR_QUALITY_SENSOR",
   ],
+  [
+    "ambient-context-sensor",
+    "AMBIENT_CONTEXT_SENSOR",
+  ],
   [
     "bridged-node",
     "BRIDGED_NODE",

examples/all-devices-app/all-devices-common/device-factory/enabled_devices_config.h.in

@@ -10,6 +10,7 @@
 #cmakedefine01 ALL_DEVICES_ENABLE_AGGREGATOR
 #cmakedefine01 ALL_DEVICES_ENABLE_AIR_PURIFIER
 #cmakedefine01 ALL_DEVICES_ENABLE_AIR_QUALITY_SENSOR
+#cmakedefine01 ALL_DEVICES_ENABLE_AMBIENT_CONTEXT_SENSOR
 #cmakedefine01 ALL_DEVICES_ENABLE_BRIDGED_NODE
 #cmakedefine01 ALL_DEVICES_ENABLE_CHIME
 #cmakedefine01 ALL_DEVICES_ENABLE_CONTACT_SENSOR

examples/all-devices-app/all-devices-common/devices/ambient-context-sensor/AmbientContextSensorDevice.cpp

@@ -0,0 +1,64 @@
+/*
+ *
+ *    Copyright (c) 2026 Project CHIP Authors
+ *
+ *    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.
+ */
+#include <devices/Types.h>
+#include <devices/ambient-context-sensor/AmbientContextSensorDevice.h>
+#include <lib/support/logging/CHIPLogging.h>
+
+using namespace chip::app::Clusters;
+
+namespace chip::app {
+
+AmbientContextSensorDevice::AmbientContextSensorDevice(AmbientContextSensingConfig config, TimerDelegate & timerDelegate) :
+    SingleEndpointDevice(Span<const DataModel::DeviceTypeEntry>(&Device::Type::kAmbientContextSensor, 1)), mConfig(config),
+    mTimerDelegate(timerDelegate)
+{}
+
+CHIP_ERROR AmbientContextSensorDevice::Register(chip::EndpointId endpoint, CodeDrivenDataModelProvider & provider,
+                                                EndpointComposition composition)
+{
+    ReturnErrorOnFailure(RegisterDescriptor(endpoint, provider, composition));
+
+    // Create the identify cluster.
+    mIdentifyCluster.Create(IdentifyCluster::Config(endpoint, mTimerDelegate));
+    ReturnErrorOnFailure(provider.AddCluster(mIdentifyCluster.Registration()));
+
+    // Update the config with the actual endpoint ID
+    mConfig.mEndpointId = endpoint;
+
+    // Create the ambient context sensing cluster
+    mAmbientContextSensingCluster.Create(mConfig);
+    ReturnErrorOnFailure(provider.AddCluster(mAmbientContextSensingCluster.Registration()));
+
+    return provider.AddEndpoint(mEndpointRegistration);
+}
+
+void AmbientContextSensorDevice::Unregister(CodeDrivenDataModelProvider & provider)
+{
+    UnregisterDescriptor(provider);
+    if (mAmbientContextSensingCluster.IsConstructed())
+    {
+        LogErrorOnFailure(provider.RemoveCluster(&mAmbientContextSensingCluster.Cluster()));
+        mAmbientContextSensingCluster.Destroy();
+    }
+    if (mIdentifyCluster.IsConstructed())
+    {
+        LogErrorOnFailure(provider.RemoveCluster(&mIdentifyCluster.Cluster()));
+        mIdentifyCluster.Destroy();
+    }
+}
+
+} // namespace chip::app

examples/all-devices-app/all-devices-common/devices/ambient-context-sensor/AmbientContextSensorDevice.h

@@ -0,0 +1,49 @@
+/*
+ *
+ *    Copyright (c) 2026 Project CHIP Authors
+ *
+ *    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.
+ */
+#pragma once
+
+#include <app/clusters/ambient-context-sensing-server/AmbientContextSensingCluster.h>
+#include <app/clusters/identify-server/IdentifyCluster.h>
+#include <devices/interface/SingleEndpointDevice.h>
+#include <lib/support/TimerDelegate.h>
+
+namespace chip::app {
+
+class AmbientContextSensorDevice : public SingleEndpointDevice
+{
+public:
+    using AmbientContextSensingConfig = Clusters::AmbientContextSensingCluster::Config;
+
+    AmbientContextSensorDevice(AmbientContextSensingConfig config, TimerDelegate & timerDelegate);
+    ~AmbientContextSensorDevice() override = default;
+
+    // DeviceInterface pure virtual lifecycle hooks
+    CHIP_ERROR Register(chip::EndpointId endpoint, CodeDrivenDataModelProvider & provider,
+                        EndpointComposition composition = {}) override;
+    void Unregister(CodeDrivenDataModelProvider & provider) override;
+
+    Clusters::IdentifyCluster & IdentifyCluster() { return mIdentifyCluster.Cluster(); }
+    Clusters::AmbientContextSensingCluster & AmbientContextSensingCluster() { return mAmbientContextSensingCluster.Cluster(); }
+
+protected:
+    AmbientContextSensingConfig mConfig;
+    TimerDelegate & mTimerDelegate;
+    LazyRegisteredServerCluster<Clusters::IdentifyCluster> mIdentifyCluster;
+    LazyRegisteredServerCluster<Clusters::AmbientContextSensingCluster> mAmbientContextSensingCluster;
+};
+
+} // namespace chip::app

examples/all-devices-app/all-devices-common/devices/ambient-context-sensor/BUILD.gn

@@ -0,0 +1,33 @@
+# Copyright (c) 2026 Project CHIP Authors
+#
+# 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.
+
+import("//build_overrides/build.gni")
+import("//build_overrides/chip.gni")
+
+source_set("ambient-context-sensor") {
+  sources = [
+    "AmbientContextSensorDevice.cpp",
+    "AmbientContextSensorDevice.h",
+  ]
+
+  public_deps = [
+    "${chip_root}/examples/all-devices-app/all-devices-common/devices/interface:single-endpoint-device",
+    "${chip_root}/src/app/clusters/ambient-context-sensing-server",
+    "${chip_root}/src/app/clusters/identify-server",
+    "${chip_root}/src/data-model-providers/codedriven",
+    "${chip_root}/src/lib/core:error",
+    "${chip_root}/src/lib/support",
+    "${chip_root}/zzz_generated/app-common/devices/",
+  ]
+}

examples/all-devices-app/all-devices-common/devices/ambient-context-sensor/impl/BUILD.gn

@@ -0,0 +1,30 @@
+# Copyright (c) 2026 Project CHIP Authors
+#
+# 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.
+
+import("//build_overrides/build.gni")
+import("//build_overrides/chip.gni")
+
+#source_set("toggling") {
+source_set("logging") {
+  sources = [
+    "LoggingAmbientContextSensorDevice.cpp",
+    "LoggingAmbientContextSensorDevice.h",
+  ]
+
+  public_deps = [
+    "${chip_root}/examples/all-devices-app/all-devices-common/devices/ambient-context-sensor",
+    "${chip_root}/src/lib/support",
+    "${chip_root}/src/platform",
+  ]
+}