It can be created only by {@link HdmiCecController#create} + * + *
Declared as package-private, accessed by {@link HdmiControlService} only. + */ +class HdmiCecController { + private static final String TAG = "HdmiCecController"; + + // Handler instance to process synchronous I/O (mainly send) message. + private Handler mIoHandler; + + // Handler instance to process various messages coming from other CEC + // device or issued by internal state change. + private Handler mMessageHandler; + + // Stores the pointer to the native implementation of the service that + // interacts with HAL. + private long mNativePtr; + + // Private constructor. Use HdmiCecController.create(). + private HdmiCecController() { + } + + /** + * A factory method to get {@link HdmiCecController}. If it fails to initialize + * inner device or has no device it will return {@code null}. + * + *
Declared as package-private, accessed by {@link HdmiControlService} only.
+ *
+ * @param ioLooper a Looper instance to handle IO (mainly send message) operation.
+ * @param messageHandler a message handler that processes a message coming from other
+ * CEC compatible device or callback of internal state change.
+ * @return {@link HdmiCecController} if device is initialized successfully. Otherwise,
+ * returns {@code null}.
+ */
+ static HdmiCecController create(Looper ioLooper, Handler messageHandler) {
+ HdmiCecController handler = new HdmiCecController();
+ long nativePtr = nativeInit(handler);
+ if (nativePtr == 0L) {
+ handler = null;
+ return null;
+ }
+
+ handler.init(ioLooper, messageHandler, nativePtr);
+ return handler;
+ }
+
+ private void init(Looper ioLooper, Handler messageHandler, long nativePtr) {
+ mIoHandler = new Handler(ioLooper) {
+ @Override
+ public void handleMessage(Message msg) {
+ // TODO: Call native sendMessage.
+ }
+ };
+
+ mMessageHandler = messageHandler;
+ mNativePtr = nativePtr;
+ }
+
+ /**
+ * Called by native when an HDMI-CEC message arrived.
+ */
+ private void handleMessage(int srcAddress, int dstAddres, int opcode, byte[] params) {
+ // TODO: Translate message and delegate it to main message handler.
+ }
+
+ private static native long nativeInit(HdmiCecController handler);
+}
diff --git a/services/core/java/com/android/server/hdmi/HdmiControlService.java b/services/core/java/com/android/server/hdmi/HdmiControlService.java
new file mode 100644
index 0000000000000..56c5b498d0260
--- /dev/null
+++ b/services/core/java/com/android/server/hdmi/HdmiControlService.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+package com.android.server.hdmi;
+
+import android.annotation.Nullable;
+import android.content.Context;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.Message;
+import android.util.Slog;
+
+import com.android.server.SystemService;
+
+/**
+ * Provides a service for sending and processing HDMI control messages,
+ * HDMI-CEC and MHL control command, and providing the information on both standard.
+ */
+public final class HdmiControlService extends SystemService {
+ private static final String TAG = "HdmiControlService";
+
+ // A thread to handle synchronous IO of CEC and MHL control service.
+ // Since all of CEC and MHL HAL interfaces processed in short time (< 200ms)
+ // and sparse call it shares a thread to handle IO operations.
+ private final HandlerThread mIoThread = new HandlerThread("Hdmi Control Io Thread");
+
+ // Main handler class to handle incoming message from each controller.
+ private final Handler mHandler = new Handler() {
+ @Override
+ public void handleMessage(Message msg) {
+ // TODO: Add handler for each message type.
+ }
+ };
+
+ @Nullable
+ private HdmiCecController mCecController;
+
+ @Nullable
+ private HdmiMhlController mMhlController;
+
+ public HdmiControlService(Context context) {
+ super(context);
+ }
+
+ @Override
+ public void onStart() {
+ mCecController = HdmiCecController.create(mIoThread.getLooper(), mHandler);
+ if (mCecController == null) {
+ Slog.i(TAG, "Device does not support HDMI-CEC.");
+ }
+
+ mMhlController = HdmiMhlController.create(mIoThread.getLooper(), mHandler);
+ if (mMhlController == null) {
+ Slog.i(TAG, "Device does not support MHL-control.");
+ }
+ }
+}
diff --git a/services/core/jni/Android.mk b/services/core/jni/Android.mk
index 1b3887c6585b9..51583a5e7452c 100644
--- a/services/core/jni/Android.mk
+++ b/services/core/jni/Android.mk
@@ -11,7 +11,9 @@ LOCAL_SRC_FILES += \
$(LOCAL_REL_DIR)/com_android_server_connectivity_Vpn.cpp \
$(LOCAL_REL_DIR)/com_android_server_ConsumerIrService.cpp \
$(LOCAL_REL_DIR)/com_android_server_dreams_McuHal.cpp \
+ $(LOCAL_REL_DIR)/com_android_server_hdmi_HdmiCecController.cpp \
$(LOCAL_REL_DIR)/com_android_server_hdmi_HdmiCecService.cpp \
+ $(LOCAL_REL_DIR)/com_android_server_hdmi_HdmiMhlController.cpp \
$(LOCAL_REL_DIR)/com_android_server_input_InputApplicationHandle.cpp \
$(LOCAL_REL_DIR)/com_android_server_input_InputManagerService.cpp \
$(LOCAL_REL_DIR)/com_android_server_input_InputWindowHandle.cpp \
diff --git a/services/core/jni/com_android_server_hdmi_HdmiCecController.cpp b/services/core/jni/com_android_server_hdmi_HdmiCecController.cpp
new file mode 100644
index 0000000000000..f3e8f3c26ba0e
--- /dev/null
+++ b/services/core/jni/com_android_server_hdmi_HdmiCecController.cpp
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+#define LOG_TAG "HdmiCecControllerJni"
+
+#define LOG_NDEBUG 1
+
+#include "JNIHelp.h"
+
+#include