| /* |
| * 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; |
| |
| import android.annotation.SystemApi; |
| import android.os.RemoteException; |
| import android.util.Log; |
| |
| /** |
| * HdmiPlaybackClient represents HDMI-CEC logical device of type Playback |
| * in the Android system which acts as a playback device such as set-top box. |
| * |
| * <p>HdmiPlaybackClient provides methods that control, get information from TV/Display device |
| * connected through HDMI bus. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public final class HdmiPlaybackClient extends HdmiClient { |
| private static final String TAG = "HdmiPlaybackClient"; |
| |
| // Logical address of TV. The secondary TV is not handled. |
| private static final int ADDR_TV = 0; |
| |
| /** |
| * Listener used by the client to get the result of one touch play operation. |
| */ |
| public interface OneTouchPlayCallback { |
| /** |
| * Called when the result of the feature one touch play is returned. |
| * |
| * @param result the result of the operation. {@link HdmiControlManager#RESULT_SUCCESS} |
| * if successful. |
| */ |
| public void onComplete(int result); |
| } |
| |
| /** |
| * Listener used by the client to get display device status. |
| */ |
| public interface DisplayStatusCallback { |
| /** |
| * Called when display device status is reported. |
| * |
| * @param status display device status. It should be one of the following values. |
| * <ul> |
| * <li>{@link HdmiControlManager#POWER_STATUS_ON} |
| * <li>{@link HdmiControlManager#POWER_STATUS_STANDBY} |
| * <li>{@link HdmiControlManager#POWER_STATUS_TRANSIENT_TO_ON} |
| * <li>{@link HdmiControlManager#POWER_STATUS_TRANSIENT_TO_STANDBY} |
| * <li>{@link HdmiControlManager#POWER_STATUS_UNKNOWN} |
| * </ul> |
| */ |
| public void onComplete(int status); |
| } |
| |
| /* package */ HdmiPlaybackClient(IHdmiControlService service) { |
| super(service); |
| } |
| |
| /** |
| * Performs the feature 'one touch play' from playback device to turn on display and claim |
| * to be the streaming source. |
| * |
| * <p>Client side is responsible to send out intent to choose whichever internal |
| * source on the current device it would like to switch to. Otherwise the current |
| * device will remain on the current input. |
| * |
| * @param callback {@link OneTouchPlayCallback} object to get informed |
| * of the result |
| */ |
| public void oneTouchPlay(OneTouchPlayCallback callback) { |
| // TODO: Use PendingResult. |
| try { |
| mService.oneTouchPlay(getCallbackWrapper(callback)); |
| } catch (RemoteException e) { |
| Log.e(TAG, "oneTouchPlay threw exception ", e); |
| } |
| } |
| |
| @Override |
| public int getDeviceType() { |
| return HdmiDeviceInfo.DEVICE_PLAYBACK; |
| } |
| |
| /** |
| * Gets the status of display device connected through HDMI bus. |
| * |
| * @param callback {@link DisplayStatusCallback} object to get informed |
| * of the result |
| */ |
| public void queryDisplayStatus(DisplayStatusCallback callback) { |
| try { |
| mService.queryDisplayStatus(getCallbackWrapper(callback)); |
| } catch (RemoteException e) { |
| Log.e(TAG, "queryDisplayStatus threw exception ", e); |
| } |
| } |
| |
| /** |
| * Sends a <Standby> command to TV. |
| */ |
| public void sendStandby() { |
| try { |
| mService.sendStandby(getDeviceType(), HdmiDeviceInfo.idForCecDevice(ADDR_TV)); |
| } catch (RemoteException e) { |
| Log.e(TAG, "sendStandby threw exception ", e); |
| } |
| } |
| |
| private IHdmiControlCallback getCallbackWrapper(final OneTouchPlayCallback callback) { |
| return new IHdmiControlCallback.Stub() { |
| @Override |
| public void onComplete(int result) { |
| callback.onComplete(result); |
| } |
| }; |
| } |
| |
| private IHdmiControlCallback getCallbackWrapper(final DisplayStatusCallback callback) { |
| return new IHdmiControlCallback.Stub() { |
| @Override |
| public void onComplete(int status) { |
| callback.onComplete(status); |
| } |
| }; |
| } |
| } |