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Commit e601b712 authored by Jinsuk Kim's avatar Jinsuk Kim
Browse files

Perform One touch play upon pressing home key 

Power on TV (optional) and switch HDMI input when home key is pressed
on a device with HDMI-out port (playback device).

Bug: 22204515
Change-Id: Ie1714e9bb066fedc618ee176d1a2bd1572393a6e
parent e42441a2

services/core/java/com/android/server/policy/PhoneWindowManager.java

+47 −0
Original line number Diff line number Diff line
@@ -44,6 +44,9 @@ import android.content.res.TypedArray; 
import android.database.ContentObserver;

import android.graphics.PixelFormat;

import android.graphics.Rect;

import android.hardware.hdmi.HdmiControlManager;

import android.hardware.hdmi.HdmiPlaybackClient;

import android.hardware.hdmi.HdmiPlaybackClient.OneTouchPlayCallback;

import android.media.AudioAttributes;

import android.media.AudioManager;

import android.media.AudioSystem;
@@ -351,6 +354,7 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
    boolean mSystemReady;

    boolean mSystemBooted;

    boolean mHdmiPlugged;

    HdmiControl mHdmiControl;

    IUiModeManager mUiModeManager;

    int mUiMode;

    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
@@ -1200,6 +1204,9 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
    }



    private void handleShortPressOnHome() {

        // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.

        getHdmiControl().turnOnTv();



        // If there's a dream running then use home to escape the dream

        // but don't actually go home.

        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
@@ -1211,6 +1218,46 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
        launchHomeFromHotKey();

    }



    /**

     * Creates an accessor to HDMI control service that performs the operation of

     * turning on TV (optional) and switching input to us. If HDMI control service

     * is not available or we're not a HDMI playback device, the operation is no-op.

     */

    private HdmiControl getHdmiControl() {

        if (null == mHdmiControl) {

            HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(

                        Context.HDMI_CONTROL_SERVICE);

            HdmiPlaybackClient client = null;

            if (manager != null) {

                client = manager.getPlaybackClient();

            }

            mHdmiControl = new HdmiControl(client);

        }

        return mHdmiControl;

    }



    private static class HdmiControl {

        private final HdmiPlaybackClient mClient;



        private HdmiControl(HdmiPlaybackClient client) {

            mClient = client;

        }



        public void turnOnTv() {

            if (mClient == null) {

                return;

            }

            mClient.oneTouchPlay(new OneTouchPlayCallback() {

                @Override

                public void onComplete(int result) {

                    if (result != HdmiControlManager.RESULT_SUCCESS) {

                        Log.w(TAG, "One touch play failed: " + result);

                    }

                }

            });

        }

    }



    private void handleLongPressOnHome(int deviceId) {

        if (mLongPressOnHomeBehavior != LONG_PRESS_HOME_NOTHING) {

            mHomeConsumed = true;