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Commit ae6119ff authored by Chong Zhang's avatar Chong Zhang
Browse files

implement HDMI-like demo mode for remote display 

adding the following two system properties to control remote
display rotation and device orientation lock:

"persist.demo.rotationlock"=true|false
"persist.demo.remoterotation"=landscape|portrait

Bug: 18317603
Change-Id: Id5fe115f895c6a0e72563036b9a98ff3b5037763
parent 8161ed81

policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

+16 −0
Original line number Diff line number Diff line
@@ -342,6 +342,8 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
    int mUndockedHdmiRotation;

    int mDemoHdmiRotation;

    boolean mDemoHdmiRotationLock;

    int mDemoRotation;

    boolean mDemoRotationLock;



    boolean mWakeGestureEnabledSetting;

    MyWakeGestureListener mWakeGestureListener;
@@ -1444,6 +1446,16 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
        }

        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);



        // For demo purposes, allow the rotation of the remote display to be controlled.

        // By default, remote display locks rotation to landscape.

        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {

            mDemoRotation = mPortraitRotation;

        } else {

            mDemoRotation = mLandscapeRotation;

        }

        mDemoRotationLock = SystemProperties.getBoolean(

                "persist.demo.rotationlock", false);



        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per

        // http://developer.android.com/guide/practices/screens_support.html#range

        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
@@ -5294,6 +5306,10 @@ public class PhoneWindowManager implements WindowManagerPolicy { 
                // full multi-display support).

                // Note that the dock orientation overrides the HDMI orientation.

                preferredRotation = mUndockedHdmiRotation;

            } else if (mDemoRotationLock) {

                // Ignore sensor when demo rotation lock is enabled.

                // Note that the dock orientation and HDMI rotation lock override this.

                preferredRotation = mDemoRotation;

            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {

                // Application just wants to remain locked in the last rotation.

                preferredRotation = lastRotation;

services/core/java/com/android/server/display/VirtualDisplayAdapter.java

+10 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ import android.media.projection.IMediaProjection; 
import android.media.projection.IMediaProjectionCallback;

import android.os.Handler;

import android.os.IBinder;

import android.os.SystemProperties;

import android.os.IBinder.DeathRecipient;

import android.os.Message;

import android.os.RemoteException;
@@ -278,6 +279,15 @@ final class VirtualDisplayAdapter extends DisplayAdapter { 
                }

                if ((mFlags & DisplayManager.VIRTUAL_DISPLAY_FLAG_PRESENTATION) != 0) {

                    mInfo.flags |= DisplayDeviceInfo.FLAG_PRESENTATION;



                    if ((mFlags & DisplayManager.VIRTUAL_DISPLAY_FLAG_PUBLIC) != 0) {

                        // For demonstration purposes, allow rotation of the external display.

                        // In the future we might allow the user to configure this directly.

                        if ("portrait".equals(SystemProperties.get(

                                "persist.demo.remoterotation"))) {

                            mInfo.rotation = Surface.ROTATION_270;

                        }

                    }

                }

                mInfo.type = Display.TYPE_VIRTUAL;

                mInfo.touch = DisplayDeviceInfo.TOUCH_NONE;