Implement interfaces for MHL scratchpad command (f424932c) · Commits · e / os / android_frameworks_base

Android.mk

+1 −0

Original line number	Diff line number	Diff line
		@@ -156,6 +156,7 @@ LOCAL_SRC_FILES += \
		core/java/android/hardware/hdmi/IHdmiDeviceEventListener.aidl \
		core/java/android/hardware/hdmi/IHdmiHotplugEventListener.aidl \
		core/java/android/hardware/hdmi/IHdmiInputChangeListener.aidl \
		core/java/android/hardware/hdmi/IHdmiMhlScratchpadCommandListener.aidl \
		core/java/android/hardware/hdmi/IHdmiRecordListener.aidl \
		core/java/android/hardware/hdmi/IHdmiSystemAudioModeChangeListener.aidl \
		core/java/android/hardware/hdmi/IHdmiVendorCommandListener.aidl \

core/java/android/hardware/hdmi/HdmiClient.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -50,7 +50,7 @@ public abstract class HdmiClient {
		try {
		mService.sendKeyEvent(getDeviceType(), keyCode, isPressed);
		} catch (RemoteException e) {
		Log.e(TAG, "queryDisplayStatus threw exception ", e);
		Log.e(TAG, "sendKeyEvent threw exception ", e);
		}
		}

core/java/android/hardware/hdmi/HdmiTvClient.java

+105 −40

Original line number	Diff line number	Diff line
		@@ -35,6 +35,11 @@ import libcore.util.EmptyArray;
		public final class HdmiTvClient extends HdmiClient {
		private static final String TAG = "HdmiTvClient";

		/**
		* Size of MHL scratchpad register.
		*/
		public static final int SCRATCHPAD_DATA_SIZE = 16;

		HdmiTvClient(IHdmiControlService service) {
		super(service);
		}
		@@ -80,6 +85,15 @@ public final class HdmiTvClient extends HdmiClient {
		}
		}

		private static IHdmiControlCallback getCallbackWrapper(final SelectCallback callback) {
		return new IHdmiControlCallback.Stub() {
		@Override
		public void onComplete(int result) {
		callback.onComplete(result);
		}
		};
		}

		/**
		* Select a HDMI port to be a new route path.
		*
		@@ -126,6 +140,15 @@ public final class HdmiTvClient extends HdmiClient {
		}
		}

		private static IHdmiInputChangeListener getListenerWrapper(final InputChangeListener listener) {
		return new IHdmiInputChangeListener.Stub() {
		@Override
		public void onChanged(HdmiDeviceInfo info) {
		listener.onChanged(info);
		}
		};
		}

		/**
		* Set system audio volume
		*
		@@ -170,6 +193,38 @@ public final class HdmiTvClient extends HdmiClient {
		}
		}

		private static IHdmiRecordListener getListenerWrapper(final HdmiRecordListener callback) {
		return new IHdmiRecordListener.Stub() {
		@Override
		public byte[] getOneTouchRecordSource(int recorderAddress) {
		HdmiRecordSources.RecordSource source =
		callback.getOneTouchRecordSource(recorderAddress);
		if (source == null) {
		return EmptyArray.BYTE;
		}
		byte[] data = new byte[source.getDataSize(true)];
		source.toByteArray(true, data, 0);
		return data;
		}

		@Override
		public void onOneTouchRecordResult(int result) {
		callback.onOneTouchRecordResult(result);
		}

		@Override
		public void onTimerRecordingResult(int result) {
		callback.onTimerRecordingResult(
		HdmiRecordListener.TimerStatusData.parseFrom(result));
		}

		@Override
		public void onClearTimerRecordingResult(int result) {
		callback.onClearTimerRecordingResult(result);
		}
		};
		}

		/**
		* Start one touch recording with the given recorder address and recorder source.
		* <p>
		@@ -276,53 +331,63 @@ public final class HdmiTvClient extends HdmiClient {
		}
		}

		private static IHdmiControlCallback getCallbackWrapper(final SelectCallback callback) {
		return new IHdmiControlCallback.Stub() {
		@Override
		public void onComplete(int result) {
		callback.onComplete(result);
		}
		};
		/**
		* Interface used to get incoming MHL scratchpad command.
		*/
		public interface HdmiMhlScratchpadCommandListener {
		void onReceived(int portId, int offset, int length, byte[] data);
		}

		private static IHdmiInputChangeListener getListenerWrapper(final InputChangeListener listener) {
		return new IHdmiInputChangeListener.Stub() {
		@Override
		public void onChanged(HdmiDeviceInfo info) {
		listener.onChanged(info);
		/**
		* Set {@link HdmiMhlScratchpadCommandListener} to get incoming MHL sSratchpad command.
		*
		* @param listener to receive incoming MHL Scratchpad command
		*/
		public void setHdmiMhlScratchpadCommandListener(HdmiMhlScratchpadCommandListener listener) {
		if (listener == null) {
		throw new IllegalArgumentException("listener must not be null.");
		}
		try {
		mService.addHdmiMhlScratchpadCommandListener(getListenerWrapper(listener));
		} catch (RemoteException e) {
		Log.e(TAG, "failed to set hdmi mhl scratchpad command listener: ", e);
		}
		};
		}

		private static IHdmiRecordListener getListenerWrapper(final HdmiRecordListener callback) {
		return new IHdmiRecordListener.Stub() {
		private IHdmiMhlScratchpadCommandListener getListenerWrapper(
		final HdmiMhlScratchpadCommandListener listener) {
		return new IHdmiMhlScratchpadCommandListener.Stub() {
		@Override
		public byte[] getOneTouchRecordSource(int recorderAddress) {
		HdmiRecordSources.RecordSource source =
		callback.getOneTouchRecordSource(recorderAddress);
		if (source == null) {
		return EmptyArray.BYTE;
		public void onReceived(int portId, int offset, int length, byte[] data) {
		listener.onReceived(portId, offset, length, data);
		}
		byte[] data = new byte[source.getDataSize(true)];
		source.toByteArray(true, data, 0);
		return data;
		};
		}

		@Override
		public void onOneTouchRecordResult(int result) {
		callback.onOneTouchRecordResult(result);
		/**
		* Send MHL Scratchpad command to the device connected to a port of the given portId.
		*
		* @param portId id of port to send MHL Scratchpad command
		* @param offset offset in the in given data
		* @param length length of data. offset + length should be bound to length of data.
		* @param data container for Scratchpad data. It should be 16 bytes.
		* @throws IllegalArgumentException if the given parameters are invalid
		*/
		public void sendScratchpadCommand(int portId, int offset, int length, byte[] data) {
		if (data == null \|\| data.length != SCRATCHPAD_DATA_SIZE) {
		throw new IllegalArgumentException("Invalid scratchpad data.");
		}

		@Override
		public void onTimerRecordingResult(int result) {
		callback.onTimerRecordingResult(
		HdmiRecordListener.TimerStatusData.parseFrom(result));
		if (offset < 0 \|\| offset >= SCRATCHPAD_DATA_SIZE) {
		throw new IllegalArgumentException("Invalid offset:" + offset);
		}
		if (length < 0 \|\| offset + length > SCRATCHPAD_DATA_SIZE) {
		throw new IllegalArgumentException("Invalid length:" + length);
		}

		@Override
		public void onClearTimerRecordingResult(int result) {
		callback.onClearTimerRecordingResult(result);
		try {
		mService.sendScratchpadCommand(portId, offset, length, data);
		} catch (RemoteException e) {
		Log.e(TAG, "failed to send scratchpad command: ", e);
		}
		};
		}
		}

core/java/android/hardware/hdmi/IHdmiControlService.aidl

+3 −0

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import android.hardware.hdmi.IHdmiControlCallback;
		import android.hardware.hdmi.IHdmiDeviceEventListener;
		import android.hardware.hdmi.IHdmiHotplugEventListener;
		import android.hardware.hdmi.IHdmiInputChangeListener;
		import android.hardware.hdmi.IHdmiMhlScratchpadCommandListener;
		import android.hardware.hdmi.IHdmiRecordListener;
		import android.hardware.hdmi.IHdmiSystemAudioModeChangeListener;
		import android.hardware.hdmi.IHdmiVendorCommandListener;
		@@ -66,4 +67,6 @@ interface IHdmiControlService {
		void stopOneTouchRecord(int recorderAddress);
		void startTimerRecording(int recorderAddress, int sourceType, in byte[] recordSource);
		void clearTimerRecording(int recorderAddress, int sourceType, in byte[] recordSource);
		void sendScratchpadCommand(int portId, int offset, int length, in byte[] data);
		void addHdmiMhlScratchpadCommandListener(IHdmiMhlScratchpadCommandListener listener);
		}

core/java/android/hardware/hdmi/IHdmiMhlScratchpadCommandListener.aidl

0 → 100644

+27 −0

Original line number	Diff line number	Diff line
		/*
		* 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 android.hardware.hdmi;

		/**
		* Callback interface definition for MHL client to get the scratchpad
		* command.
		*
		* @hide
		*/
		oneway interface IHdmiMhlScratchpadCommandListener {
		void onReceived(int portId, int offset, int length, in byte[] data);
		}