add attribute change callback hook for speaker endpoint (#16944)

* add attribute change callback hook for speaker endpoint

* Update examples/tv-app/linux/ZclCallbacks.cpp

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

* Update examples/tv-app/linux/ZclCallbacks.cpp

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

* Delete af-gen-event.h

Revert change pending feedback on level control cluster on endpoint 1

* add back af-gen-events

* Restyle add attribute change callback hook for speaker endpoint (#16945)

* Restyled by whitespace

* Restyled by gn

Co-authored-by: Restyled.io <commits@restyled.io>

Co-authored-by: Justin Wood <woody@apple.com>
Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>
Co-authored-by: restyled-io[bot] <32688539+restyled-io[bot]@users.noreply.github.com>
Co-authored-by: Restyled.io <commits@restyled.io>

examples/tv-app/linux/BUILD.gn

@@ -43,6 +43,7 @@ executable("chip-tv-app") {
  "AppImpl.cpp",
  "AppImpl.h",
  "AppPlatformShellCommands.cpp",
+ "ZclCallbacks.cpp",
  "include/account-login/AccountLoginManager.cpp",
  "include/account-login/AccountLoginManager.h",
  "include/application-basic/ApplicationBasicManager.cpp",

examples/tv-app/linux/ZclCallbacks.cpp

@@ -0,0 +1,70 @@
+/*
+ *
+ * Copyright (c) 2020 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.
+ */
+
+/**
+ * @file
+ * This file implements the handler for data model messages.
+ */
+
+#include <app-common/zap-generated/ids/Attributes.h>
+#include <app-common/zap-generated/ids/Clusters.h>
+#include <app/ConcreteAttributePath.h>
+#include <lib/support/logging/CHIPLogging.h>
+
+using namespace ::chip;
+using namespace ::chip::app::Clusters;
+
+void MatterPostAttributeChangeCallback(const chip::app::ConcreteAttributePath & attributePath, uint8_t mask, uint8_t type,
+ uint16_t size, uint8_t * value)
+{
+ ClusterId clusterId = attributePath.mClusterId;
+ AttributeId attributeId = attributePath.mAttributeId;
+ ChipLogProgress(Zcl, "Cluster callback: " ChipLogFormatMEI, ChipLogValueMEI(clusterId));
+
+ if (clusterId == OnOff::Id && attributeId == OnOff::Attributes::OnOff::Id)
+ {
+ ChipLogProgress(Zcl, "OnOff attribute ID: " ChipLogFormatMEI " Type: %u Value: %u, length %" PRIu16,
+ ChipLogValueMEI(attributeId), type, *value, size);
+ }
+ else if (clusterId == LevelControl::Id)
+ {
+ ChipLogProgress(Zcl, "Level Control attribute ID: " ChipLogFormatMEI " Type: %u Value: %u, length %" PRIu16,
+ ChipLogValueMEI(attributeId), type, *value, size);
+
+ // WIP Apply attribute change to Light
+ }
+}
+
+/** @brief OnOff Cluster Init
+ *
+ * This function is called when a specific cluster is initialized. It gives the
+ * application an opportunity to take care of cluster initialization procedures.
+ * It is called exactly once for each endpoint where cluster is present.
+ *
+ * @param endpoint Ver.: always
+ *
+ * TODO Issue #3841
+ * emberAfOnOffClusterInitCallback happens before the stack initialize the cluster
+ * attributes to the default value.
+ * The logic here expects something similar to the deprecated Plugins callback
+ * emberAfPluginOnOffClusterServerPostInitCallback.
+ *
+ */
+void emberAfOnOffClusterInitCallback(EndpointId endpoint)
+{
+ // TODO: implement any additional Cluster Server init actions
+}