Merge "Don't update lock icon location based on rotation" into sc-dev am: e9a03ecd

import android.graphics.PointF;

import android.graphics.RectF;

import android.util.AttributeSet;

import android.view.Surface;

import android.widget.FrameLayout;

import android.widget.ImageView;

 */

public class LockIconView extends ImageView {

    @NonNull private final RectF mSensorRect;

    @NonNull private final Context mContext;

    @NonNull private PointF mLockIconCenter = new PointF(0f, 0f);

    private int mRadius;

    public LockIconView(Context context, AttributeSet attrs) {

        super(context, attrs);

        mContext = context;

        mSensorRect = new RectF();

    }

    void setLocation(@NonNull PointF center, int radius) {

        mLockIconCenter = center;

        mRadius = radius;

    }

    // The "h" and "w" are the display's height and width relative to its current rotation.

    private void updateSensorRect(int h, int w) {

        // mSensorProps coordinates assume portrait mode.

        // mSensorProps coordinates assume portrait mode which is OK b/c the keyguard is always in

        // portrait.

        mSensorRect.set(mLockIconCenter.x - mRadius,

                mLockIconCenter.y - mRadius,

                mLockIconCenter.x + mRadius,

                mLockIconCenter.y + mRadius);

        // Transform mSensorRect if the device is in landscape mode.

        switch (mContext.getDisplay().getRotation()) {

            case Surface.ROTATION_90:

                mSensorRect.set(mSensorRect.top, h - mSensorRect.right, mSensorRect.bottom,

                        h - mSensorRect.left);

                break;

            case Surface.ROTATION_270:

                mSensorRect.set(w - mSensorRect.bottom, mSensorRect.left, w - mSensorRect.top,

                        mSensorRect.right);

                break;

            default:

                // Do nothing to stay in portrait mode.

        }

        setX(mSensorRect.left);

        setY(mSensorRect.top);

        setLayoutParams(new FrameLayout.LayoutParams(

                (int) (mSensorRect.bottom - mSensorRect.top)));

    }

    @Override

    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {

        super.onLayout(changed, left, top, right, bottom);

        // Always re-compute the layout regardless of whether "changed" is true. It is usually false

        // when the device goes from landscape to seascape and vice versa, but mSensorRect and

        // its dependencies need to be recalculated to stay at the same physical location on the

        // screen.

        final int w = getLayoutParams().width;

        final int h = getLayoutParams().height;

        updateSensorRect(h, w);

    }

    @Override

    public boolean hasOverlappingRendering() {

        return false;