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/*
* Copyright (C) 2024 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;
import android.content.Context;
import com.android.launcher3.R;
/**
* Control and get information about the gesture nav bar at the bottom of the screen, which has
* historically been drawn by SysUI, but is also emulated by the stashed Taskbar on large screens.
*/
public interface NavHandle {
/**
* Animate the nav bar being long-pressed.
*
* @param isTouchDown {@code true} if the button is starting to be pressed ({@code false} if
* released or canceled)
* @param shrink {@code true} if the handle should shrink, {@code false} if it should grow
* @param durationMs how long the animation should take (for the {@code isTouchDown} case, this
* should be the same as the amount of time to trigger a long-press)
*/
void animateNavBarLongPress(boolean isTouchDown, boolean shrink, long durationMs);
/** @return {@code true} if this nav handle is actually the stashed taskbar */
default boolean isNavHandleStashedTaskbar() {
return false;
}
/** @return {@code true} if this nav handle can currently accept long presses */
default boolean canNavHandleBeLongPressed() {
return true;
}
/** @return the width of this nav handle, in pixels */
default int getNavHandleWidth(Context context) {
return context.getResources().getDimensionPixelSize(R.dimen.navigation_home_handle_width);
}
}
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