Add a way for SystemUI to receive media resource (e.g. A/V codec) usage
Bug: 26175834
Change-Id: I16320fa41dd852768a370af0a0740691d1ddacdf
diff --git a/libs/binder/IMediaResourceMonitor.cpp b/libs/binder/IMediaResourceMonitor.cpp
new file mode 100644
index 0000000..e8deb4a
--- /dev/null
+++ b/libs/binder/IMediaResourceMonitor.cpp
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2016 The Android Open Source Project
+ *
+ * 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 <binder/IMediaResourceMonitor.h>
+#include <binder/Parcel.h>
+#include <utils/Errors.h>
+#include <sys/types.h>
+
+namespace android {
+
+// ----------------------------------------------------------------------
+
+class BpMediaResourceMonitor : public BpInterface<IMediaResourceMonitor> {
+public:
+ BpMediaResourceMonitor(const sp<IBinder>& impl)
+ : BpInterface<IMediaResourceMonitor>(impl) {}
+
+ virtual void notifyResourceGranted(/*in*/ int32_t pid, /*in*/ const String16& type,
+ /*in*/ const String16& subType, /*in*/ int64_t value)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IMediaResourceMonitor::getInterfaceDescriptor());
+ data.writeInt32(pid);
+ data.writeString16(type);
+ data.writeString16(subType);
+ data.writeInt64(value);
+ remote()->transact(NOTIFY_RESOURCE_GRANTED, data, &reply, IBinder::FLAG_ONEWAY);
+ }
+};
+
+IMPLEMENT_META_INTERFACE(MediaResourceMonitor, "android.media.IMediaResourceMonitor");
+
+// ----------------------------------------------------------------------
+
+status_t BnMediaResourceMonitor::onTransact( uint32_t code, const Parcel& data, Parcel* reply,
+ uint32_t flags) {
+ switch(code) {
+ case NOTIFY_RESOURCE_GRANTED: {
+ CHECK_INTERFACE(IMediaResourceMonitor, data, reply);
+ int32_t pid = data.readInt32();
+ const String16 type = data.readString16();
+ const String16 subType = data.readString16();
+ int64_t value = data.readInt64();
+ notifyResourceGranted(/*in*/ pid, /*in*/ type, /*in*/ subType, /*in*/ value);
+ return NO_ERROR;
+ } break;
+ default:
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+}
+
+// ----------------------------------------------------------------------
+
+}; // namespace android