| /* |
| * Copyright (C) 2018 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.CallbackExecutor; |
| import android.annotation.NonNull; |
| import android.annotation.SystemApi; |
| import android.hardware.hdmi.HdmiControlManager.ControlCallbackResult; |
| import android.os.Binder; |
| import android.os.RemoteException; |
| import android.util.Log; |
| |
| import com.android.internal.util.Preconditions; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.concurrent.Executor; |
| |
| /** |
| * An {@code HdmiSwitchClient} represents a HDMI-CEC switch device. |
| * |
| * <p>HdmiSwitchClient has a CEC device type of HdmiDeviceInfo.DEVICE_PURE_CEC_SWITCH, but it is |
| * used by all Android devices that have multiple HDMI inputs, even if it is not a "pure" swicth |
| * and has another device type like TV or Player. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public class HdmiSwitchClient extends HdmiClient { |
| |
| private static final String TAG = "HdmiSwitchClient"; |
| |
| /* package */ HdmiSwitchClient(IHdmiControlService service) { |
| super(service); |
| } |
| |
| private static IHdmiControlCallback getCallbackWrapper(final OnSelectListener listener) { |
| return new IHdmiControlCallback.Stub() { |
| @Override |
| public void onComplete(int result) { |
| listener.onSelect(result); |
| } |
| }; |
| } |
| |
| @Override |
| public int getDeviceType() { |
| return HdmiDeviceInfo.DEVICE_PURE_CEC_SWITCH; |
| } |
| |
| /** |
| * Selects a CEC logical device to be a new active source. |
| * |
| * @param logicalAddress logical address of the device to select |
| * @param listener listener to get the result with |
| * |
| * @hide |
| */ |
| public void selectDevice(int logicalAddress, @NonNull OnSelectListener listener) { |
| Preconditions.checkNotNull(listener); |
| try { |
| mService.deviceSelect(logicalAddress, getCallbackWrapper(listener)); |
| } catch (RemoteException e) { |
| Log.e(TAG, "failed to select device: ", e); |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Selects a HDMI port to be a new route path. |
| * |
| * @param portId HDMI port to select |
| * @see {@link android.media.tv.TvInputHardwareInfo#getHdmiPortId()} |
| * to get portId of a specific TV Input. |
| * @param listener listener to get the result with |
| * |
| * @hide |
| */ |
| @SystemApi |
| public void selectPort(int portId, @NonNull OnSelectListener listener) { |
| Preconditions.checkNotNull(listener); |
| try { |
| mService.portSelect(portId, getCallbackWrapper(listener)); |
| } catch (RemoteException e) { |
| Log.e(TAG, "failed to select port: ", e); |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Selects a CEC logical device to be a new active source. |
| * |
| * @param logicalAddress logical address of the device to select |
| * @param executor executor to allow the develper to specify the thread upon which the listeners |
| * will be invoked |
| * @param listener listener to get the result with |
| * |
| * @hide |
| */ |
| public void selectDevice( |
| int logicalAddress, |
| @NonNull @CallbackExecutor Executor executor, |
| @NonNull OnSelectListener listener) { |
| Preconditions.checkNotNull(listener); |
| try { |
| mService.deviceSelect(logicalAddress, |
| new IHdmiControlCallback.Stub() { |
| @Override |
| public void onComplete(int result) { |
| Binder.withCleanCallingIdentity( |
| () -> executor.execute(() -> listener.onSelect(result))); |
| } |
| } |
| ); |
| } catch (RemoteException e) { |
| Log.e(TAG, "failed to select device: ", e); |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Selects a HDMI port to be a new route path. |
| * |
| * @param portId HDMI port to select |
| * @param executor executor to allow the develper to specify the thread upon which the listeners |
| * will be invoked |
| * @param listener listener to get the result with |
| * |
| * @hide |
| */ |
| @SystemApi |
| public void selectPort( |
| int portId, |
| @NonNull @CallbackExecutor Executor executor, |
| @NonNull OnSelectListener listener) { |
| Preconditions.checkNotNull(listener); |
| try { |
| mService.portSelect(portId, |
| new IHdmiControlCallback.Stub() { |
| @Override |
| public void onComplete(int result) { |
| Binder.withCleanCallingIdentity( |
| () -> executor.execute(() -> listener.onSelect(result))); |
| } |
| } |
| ); |
| } catch (RemoteException e) { |
| Log.e(TAG, "failed to select port: ", e); |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Returns all the CEC devices connected to the device. |
| * |
| * <p>This only applies to device with multiple HDMI inputs |
| * |
| * @return list of {@link HdmiDeviceInfo} for connected CEC devices. Empty list is returned if |
| * there is none. |
| * |
| * @hide |
| */ |
| public List<HdmiDeviceInfo> getDeviceList() { |
| try { |
| return mService.getDeviceList(); |
| } catch (RemoteException e) { |
| Log.e("TAG", "Failed to call getDeviceList():", e); |
| return Collections.<HdmiDeviceInfo>emptyList(); |
| } |
| } |
| |
| /** |
| * Get the list of the HDMI input port configuration. |
| * |
| * <p>This returns an empty list when the current device does not have HDMI input. |
| * |
| * @return a list of {@link HdmiPortInfo} |
| * |
| * @hide |
| */ |
| @NonNull |
| @SystemApi |
| public List<HdmiPortInfo> getPortInfo() { |
| try { |
| return mService.getPortInfo(); |
| } catch (RemoteException e) { |
| Log.e("TAG", "Failed to call getPortInfo():", e); |
| return Collections.<HdmiPortInfo>emptyList(); |
| } |
| } |
| |
| /** |
| * Listener interface used to get the result of {@link #deviceSelect} or {@link #portSelect}. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public interface OnSelectListener { |
| |
| /** |
| * Called when the operation is finished. |
| * |
| * @param result callback result. |
| * @see {@link ControlCallbackResult} |
| */ |
| void onSelect(@ControlCallbackResult int result); |
| } |
| } |