c0d931d3da
tapping on the target will bring up the bouncer since UDFPS is unavailable Test: manual Bug: 172050991 Change-Id: I8fafa2da174aec905ae0d9c4c19aff8907a4c67e
90 lines
3.5 KiB
Java
90 lines
3.5 KiB
Java
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.keyguard;
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import android.annotation.NonNull;
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import android.content.Context;
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import android.graphics.RectF;
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import android.hardware.fingerprint.FingerprintSensorPropertiesInternal;
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import android.util.AttributeSet;
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import android.view.Surface;
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import android.widget.Button;
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import android.widget.FrameLayout;
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/**
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* A full screen view with an oval target where the UDFPS sensor is.
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* Controlled by {@link DisabledUdfpsController}.
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*/
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public class DisabledUdfpsView extends Button {
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@NonNull private final RectF mSensorRect;
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@NonNull private final Context mContext;
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// Used to obtain the sensor location.
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@NonNull private FingerprintSensorPropertiesInternal mSensorProps;
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public DisabledUdfpsView(Context context, AttributeSet attrs) {
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super(context, attrs);
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mContext = context;
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mSensorRect = new RectF();
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}
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public void setSensorProperties(@NonNull FingerprintSensorPropertiesInternal properties) {
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mSensorProps = properties;
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}
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// The "h" and "w" are the display's height and width relative to its current rotation.
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private void updateSensorRect(int h, int w) {
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// mSensorProps coordinates assume portrait mode.
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mSensorRect.set(mSensorProps.sensorLocationX - mSensorProps.sensorRadius,
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mSensorProps.sensorLocationY - mSensorProps.sensorRadius,
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mSensorProps.sensorLocationX + mSensorProps.sensorRadius,
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mSensorProps.sensorLocationY + mSensorProps.sensorRadius);
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// Transform mSensorRect if the device is in landscape mode.
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switch (mContext.getDisplay().getRotation()) {
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case Surface.ROTATION_90:
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mSensorRect.set(mSensorRect.top, h - mSensorRect.right, mSensorRect.bottom,
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h - mSensorRect.left);
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break;
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case Surface.ROTATION_270:
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mSensorRect.set(w - mSensorRect.bottom, mSensorRect.left, w - mSensorRect.top,
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mSensorRect.right);
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break;
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default:
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// Do nothing to stay in portrait mode.
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}
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setX(mSensorRect.left);
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setY(mSensorRect.top);
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setLayoutParams(new FrameLayout.LayoutParams(
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(int) (mSensorRect.right - mSensorRect.left),
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(int) (mSensorRect.bottom - mSensorRect.top)));
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}
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@Override
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protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
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super.onLayout(changed, left, top, right, bottom);
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// Always re-compute the layout regardless of whether "changed" is true. It is usually false
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// when the device goes from landscape to seascape and vice versa, but mSensorRect and
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// its dependencies need to be recalculated to stay at the same physical location on the
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// screen.
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final int w = getLayoutParams().width;
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final int h = getLayoutParams().height;
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updateSensorRect(h, w);
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}
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}
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