diff options
Diffstat (limited to 'core/java')
3 files changed, 128 insertions, 0 deletions
diff --git a/core/java/android/hardware/hdmi/HdmiControlManager.java b/core/java/android/hardware/hdmi/HdmiControlManager.java index 6bc962b67576..208406566e52 100644 --- a/core/java/android/hardware/hdmi/HdmiControlManager.java +++ b/core/java/android/hardware/hdmi/HdmiControlManager.java @@ -18,6 +18,7 @@ package android.hardware.hdmi; import static com.android.internal.os.RoSystemProperties.PROPERTY_HDMI_IS_DEVICE_HDMI_CEC_SWITCH; +import android.annotation.CallbackExecutor; import android.annotation.IntDef; import android.annotation.NonNull; import android.annotation.Nullable; @@ -30,6 +31,7 @@ import android.annotation.SystemApi; import android.annotation.SystemService; import android.content.Context; import android.content.pm.PackageManager; +import android.os.Binder; import android.os.RemoteException; import android.os.SystemProperties; import android.util.ArrayMap; @@ -40,6 +42,7 @@ import com.android.internal.annotations.GuardedBy; import java.util.ArrayList; import java.util.List; import java.util.Objects; +import java.util.concurrent.Executor; /** * The {@link HdmiControlManager} class is used to send HDMI control messages @@ -818,6 +821,24 @@ public final class HdmiControlManager { mHdmiControlStatusChangeListeners = new ArrayMap<>(); /** + * Listener used to get the status of the HDMI CEC volume control feature (enabled/disabled). + * @hide + */ + public interface HdmiCecVolumeControlFeatureListener { + /** + * Called when the HDMI Control (CEC) volume control feature is enabled/disabled. + * + * @param enabled status of HDMI CEC volume control feature + * @see {@link HdmiControlManager#setHdmiCecVolumeControlEnabled(boolean)} ()} + **/ + void onHdmiCecVolumeControlFeature(boolean enabled); + } + + private final ArrayMap<HdmiCecVolumeControlFeatureListener, + IHdmiCecVolumeControlFeatureListener> + mHdmiCecVolumeControlFeatureListeners = new ArrayMap<>(); + + /** * Listener used to get vendor-specific commands. */ public interface VendorCommandListener { @@ -979,4 +1000,76 @@ public final class HdmiControlManager { }; } + /** + * Adds a listener to get informed of changes to the state of the HDMI CEC volume control + * feature. + * + * Upon adding a listener, the current state of the HDMI CEC volume control feature will be + * sent immediately. + * + * <p>To stop getting the notification, + * use {@link #removeHdmiCecVolumeControlFeatureListener(HdmiCecVolumeControlFeatureListener)}. + * + * @param listener {@link HdmiCecVolumeControlFeatureListener} instance + * @hide + * @see #removeHdmiCecVolumeControlFeatureListener(HdmiCecVolumeControlFeatureListener) + */ + @RequiresPermission(android.Manifest.permission.HDMI_CEC) + public void addHdmiCecVolumeControlFeatureListener(@NonNull @CallbackExecutor Executor executor, + @NonNull HdmiCecVolumeControlFeatureListener listener) { + if (mService == null) { + Log.e(TAG, "HdmiControlService is not available"); + return; + } + if (mHdmiCecVolumeControlFeatureListeners.containsKey(listener)) { + Log.e(TAG, "listener is already registered"); + return; + } + IHdmiCecVolumeControlFeatureListener wrappedListener = + createHdmiCecVolumeControlFeatureListenerWrapper(executor, listener); + mHdmiCecVolumeControlFeatureListeners.put(listener, wrappedListener); + try { + mService.addHdmiCecVolumeControlFeatureListener(wrappedListener); + } catch (RemoteException e) { + throw e.rethrowFromSystemServer(); + } + } + + /** + * Removes a listener to stop getting informed of changes to the state of the HDMI CEC volume + * control feature. + * + * @param listener {@link HdmiCecVolumeControlFeatureListener} instance to be removed + * @hide + */ + @RequiresPermission(android.Manifest.permission.HDMI_CEC) + public void removeHdmiCecVolumeControlFeatureListener( + HdmiCecVolumeControlFeatureListener listener) { + if (mService == null) { + Log.e(TAG, "HdmiControlService is not available"); + return; + } + IHdmiCecVolumeControlFeatureListener wrappedListener = + mHdmiCecVolumeControlFeatureListeners.remove(listener); + if (wrappedListener == null) { + Log.e(TAG, "tried to remove not-registered listener"); + return; + } + try { + mService.removeHdmiCecVolumeControlFeatureListener(wrappedListener); + } catch (RemoteException e) { + throw e.rethrowFromSystemServer(); + } + } + + private IHdmiCecVolumeControlFeatureListener createHdmiCecVolumeControlFeatureListenerWrapper( + Executor executor, final HdmiCecVolumeControlFeatureListener listener) { + return new android.hardware.hdmi.IHdmiCecVolumeControlFeatureListener.Stub() { + @Override + public void onHdmiCecVolumeControlFeature(boolean enabled) { + Binder.clearCallingIdentity(); + executor.execute(() -> listener.onHdmiCecVolumeControlFeature(enabled)); + } + }; + } } diff --git a/core/java/android/hardware/hdmi/IHdmiCecVolumeControlFeatureListener.aidl b/core/java/android/hardware/hdmi/IHdmiCecVolumeControlFeatureListener.aidl new file mode 100644 index 000000000000..873438bb1d20 --- /dev/null +++ b/core/java/android/hardware/hdmi/IHdmiCecVolumeControlFeatureListener.aidl @@ -0,0 +1,32 @@ +/* + * Copyright (C) 2020 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; + +/** + * Listener used to get the status of the HDMI CEC volume control feature (enabled/disabled). + * @hide + */ +oneway interface IHdmiCecVolumeControlFeatureListener { + + /** + * Called when the HDMI Control (CEC) volume control feature is enabled/disabled. + * + * @param enabled status of HDMI CEC volume control feature + * @see {@link HdmiControlManager#setHdmiCecVolumeControlEnabled(boolean)} ()} + **/ + void onHdmiCecVolumeControlFeature(boolean enabled); +} diff --git a/core/java/android/hardware/hdmi/IHdmiControlService.aidl b/core/java/android/hardware/hdmi/IHdmiControlService.aidl index 3582a927ff46..4c724ef62ea9 100644 --- a/core/java/android/hardware/hdmi/IHdmiControlService.aidl +++ b/core/java/android/hardware/hdmi/IHdmiControlService.aidl @@ -18,6 +18,7 @@ package android.hardware.hdmi; import android.hardware.hdmi.HdmiDeviceInfo; import android.hardware.hdmi.HdmiPortInfo; +import android.hardware.hdmi.IHdmiCecVolumeControlFeatureListener; import android.hardware.hdmi.IHdmiControlCallback; import android.hardware.hdmi.IHdmiControlStatusChangeListener; import android.hardware.hdmi.IHdmiDeviceEventListener; @@ -44,6 +45,8 @@ interface IHdmiControlService { void queryDisplayStatus(IHdmiControlCallback callback); void addHdmiControlStatusChangeListener(IHdmiControlStatusChangeListener listener); void removeHdmiControlStatusChangeListener(IHdmiControlStatusChangeListener listener); + void addHdmiCecVolumeControlFeatureListener(IHdmiCecVolumeControlFeatureListener listener); + void removeHdmiCecVolumeControlFeatureListener(IHdmiCecVolumeControlFeatureListener listener); void addHotplugEventListener(IHdmiHotplugEventListener listener); void removeHotplugEventListener(IHdmiHotplugEventListener listener); void addDeviceEventListener(IHdmiDeviceEventListener listener); |