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Commit c7eba0f1 authored by Jinsuk Kim's avatar Jinsuk Kim
Browse files

Intent definition for HdmiControlService for OSD display 

Intent action/extra for TV app to show a message on screen about events
HdmiControlService need to report for user's attention. The app
needs system permission HDMI_CEC to receive the intent.

Change-Id: I4fbe4621efa20a17ca64a3ca8f2df64bee03c51b
parent 347a6044

core/java/android/hardware/hdmi/HdmiControlManager.java

+18 −0
Original line number Diff line number Diff line
@@ -17,6 +17,8 @@ 
package android.hardware.hdmi;



import android.annotation.Nullable;

import android.annotation.SdkConstant;

import android.annotation.SdkConstant.SdkConstantType;

import android.annotation.SystemApi;

import android.os.RemoteException;
@@ -36,6 +38,22 @@ import android.os.RemoteException; 
public final class HdmiControlManager {

    @Nullable private final IHdmiControlService mService;



    /**

     * Broadcast Action: Display OSD message.

     * <p>Send when the service has a message to display on screen for events

     * that need user's attention such as ARC status change.

     * <p>Always contains the extra fields {@link #EXTRA_MESSAGE}.

     * <p>Requires {@link android.Manifest.permission#HDMI_CEC} to receive.

     */

    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)

    public static final String ACTION_OSD_MESSAGE = "android.hardware.hdmi.action.OSD_MESSAGE";



    /**

     * Used as an extra field in the intent {@link #ACTION_OSD_MESSAGE}. Contains the ID of

     * the message to display on screen.

     */

    public static final String EXTRA_MESSAGE_ID = "android.hardware.hdmi.extra.MESSAGE_ID";



    public static final int POWER_STATUS_UNKNOWN = -1;

    public static final int POWER_STATUS_ON = 0;

    public static final int POWER_STATUS_STANDBY = 1;

services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java

+8 −0
Original line number Diff line number Diff line
@@ -16,12 +16,14 @@ 


package com.android.server.hdmi;



import android.content.Intent;

import android.hardware.hdmi.HdmiCecDeviceInfo;

import android.hardware.hdmi.HdmiControlManager;

import android.hardware.hdmi.IHdmiControlCallback;

import android.media.AudioSystem;

import android.os.IBinder;

import android.os.RemoteException;

import android.os.UserHandle;

import android.util.Slog;

import android.util.SparseArray;
@@ -1052,5 +1054,11 @@ final class HdmiCecLocalDeviceTv extends HdmiCecLocalDevice { 


    boolean isPowerStandbyOrTransient() {

        return mService.isPowerStandbyOrTransient();



    void displayOsd(int messageId) {

        Intent intent = new Intent(HdmiControlManager.ACTION_OSD_MESSAGE);

        intent.putExtra(HdmiControlManager.EXTRA_MESSAGE_ID, messageId);

        mService.getContext().sendBroadcastAsUser(intent, UserHandle.ALL,

                HdmiControlService.PERMISSION);

    }

}

services/core/java/com/android/server/hdmi/HdmiControlService.java

+1 −2
Original line number Diff line number Diff line
@@ -62,8 +62,7 @@ import java.util.List; 
public final class HdmiControlService extends SystemService {

    private static final String TAG = "HdmiControlService";



    // TODO: Rename the permission to HDMI_CONTROL.

    private static final String PERMISSION = "android.permission.HDMI_CEC";

    static final String PERMISSION = "android.permission.HDMI_CEC";



    /**

     * Interface to report send result.