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https://github.com/LawnchairLauncher/lawnchair.git
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a625f58737
Bug: 274467454 Test: Manually test that each threshold is as expected Change-Id: Ifa66cfb78f544bb4d14391e70badc92589d47a26
88 lines
3.3 KiB
Java
88 lines
3.3 KiB
Java
/*
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* Copyright (C) 2023 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.launcher3.taskbar;
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import static com.android.launcher3.Utilities.dpToPx;
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import static com.android.launcher3.Utilities.dpiFromPx;
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import android.content.res.Resources;
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import android.util.DisplayMetrics;
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import androidx.core.content.res.ResourcesCompat;
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import com.android.launcher3.DeviceProfile;
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import com.android.launcher3.R;
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import com.android.launcher3.config.FeatureFlags;
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/**
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* Utility class that contains the different taskbar thresholds logic.
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*/
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public class TaskbarThresholdUtils {
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// We divide the screen into this many parts, and use the result to scale the thresholds to
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// any size device. Note that this value was calculated arbitrarily by using two tablet devices
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// as data points.
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private static final float SCREEN_UNITS = 1 / 80f;
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private static int getThreshold(Resources r, DeviceProfile dp, int thresholdDimen,
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int multiplierDimen) {
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if (!FeatureFlags.ENABLE_DYNAMIC_TASKBAR_THRESHOLDS.get()) {
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return r.getDimensionPixelSize(thresholdDimen);
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}
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float landscapeScreenHeight = dp.isLandscape ? dp.heightPx : dp.widthPx;
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float screenPart = (landscapeScreenHeight * SCREEN_UNITS);
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float defaultDp = dpiFromPx(screenPart, DisplayMetrics.DENSITY_DEVICE_STABLE);
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float thisDp = dpToPx(defaultDp);
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float multiplier = ResourcesCompat.getFloat(r, multiplierDimen);
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float value = (thisDp) * multiplier;
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return Math.round(value);
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}
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/**
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* Returns the threshold that determines if we should show taskbar.
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*/
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public static int getFromNavThreshold(Resources r, DeviceProfile dp) {
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return getThreshold(r, dp, R.dimen.taskbar_from_nav_threshold,
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R.dimen.taskbar_nav_threshold_mult);
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}
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/**
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* Returns the threshold that we start moving the app window.
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*/
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public static int getAppWindowThreshold(Resources r, DeviceProfile dp) {
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return getThreshold(r, dp, R.dimen.taskbar_app_window_threshold,
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R.dimen.taskbar_app_window_threshold_mult);
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}
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/**
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* Returns the threshold for whether we land in home or overview.
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*/
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public static int getHomeOverviewThreshold(Resources r, DeviceProfile dp) {
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return getThreshold(r, dp, R.dimen.taskbar_home_overview_threshold,
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R.dimen.taskbar_home_overview_threshold_mult);
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}
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/**
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* Returns the threshold that we use to allow swipe to catch up to finger.
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*/
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public static int getCatchUpThreshold(Resources r, DeviceProfile dp) {
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return getThreshold(r, dp, R.dimen.taskbar_catch_up_threshold,
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R.dimen.taskbar_catch_up_threshold_mult);
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}
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}
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