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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.quickstep.inputconsumers;
import static com.android.launcher3.Utilities.squaredHypot;
import static com.android.launcher3.Utilities.squaredTouchSlop;
import android.content.Context;
import android.content.Intent;
import android.graphics.PointF;
import android.view.MotionEvent;
/**
* A dummy input consumer used when the device is still locked, e.g. from secure camera.
*/
public class DeviceLockedInputConsumer implements InputConsumer {
private final Context mContext;
private final float mTouchSlopSquared;
private final PointF mTouchDown = new PointF();
public DeviceLockedInputConsumer(Context context) {
mContext = context;
mTouchSlopSquared = squaredTouchSlop(context);
}
@Override
public int getType() {
return TYPE_DEVICE_LOCKED;
}
@Override
public void onMotionEvent(MotionEvent ev) {
float x = ev.getX();
float y = ev.getY();
if (ev.getAction() == MotionEvent.ACTION_DOWN) {
mTouchDown.set(x, y);
} else if (ev.getAction() == MotionEvent.ACTION_MOVE) {
if (squaredHypot(x - mTouchDown.x, y - mTouchDown.y) > mTouchSlopSquared) {
// For now, just start the home intent so user is prompted to unlock the device.
mContext.startActivity(new Intent(Intent.ACTION_MAIN)
.addCategory(Intent.CATEGORY_HOME)
.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
}
}
}
}
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