Sunny Goyal
d5500548dc
430465a3d5
Bug: 187353581
Change-Id: I7b2280d16adfafd3e85ffc1d22e32d0c00d12b67
76 lines
3.0 KiB
Java
76 lines
3.0 KiB
Java
/*
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* Copyright (C) 2021 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.LauncherState.TASKBAR;
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import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL;
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import static com.android.launcher3.anim.Interpolators.LINEAR;
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import androidx.annotation.Nullable;
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import com.android.launcher3.BaseQuickstepLauncher;
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import com.android.launcher3.LauncherState;
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import com.android.launcher3.anim.PendingAnimation;
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import com.android.launcher3.anim.PropertySetter;
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import com.android.launcher3.statemanager.StateManager;
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import com.android.launcher3.states.StateAnimationConfig;
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import com.android.quickstep.AnimatedFloat;
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/**
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* StateHandler to animate Taskbar according to Launcher's state machine. Does nothing if Taskbar
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* isn't present (i.e. {@link #setAnimationController} is never called).
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*/
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public class TaskbarStateHandler implements StateManager.StateHandler<LauncherState> {
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private final BaseQuickstepLauncher mLauncher;
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// Contains Taskbar-related methods and fields we should aniamte. If null, don't do anything.
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private @Nullable TaskbarAnimationController mAnimationController = null;
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public TaskbarStateHandler(BaseQuickstepLauncher launcher) {
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mLauncher = launcher;
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}
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public void setAnimationController(TaskbarAnimationController callbacks) {
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mAnimationController = callbacks;
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}
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@Override
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public void setState(LauncherState state) {
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setState(state, PropertySetter.NO_ANIM_PROPERTY_SETTER);
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}
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@Override
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public void setStateWithAnimation(LauncherState toState, StateAnimationConfig config,
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PendingAnimation animation) {
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setState(toState, animation);
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}
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private void setState(LauncherState toState, PropertySetter setter) {
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if (mAnimationController == null) {
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return;
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}
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boolean isTaskbarVisible = (toState.getVisibleElements(mLauncher) & TASKBAR) != 0;
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setter.setFloat(mAnimationController.getTaskbarVisibilityForLauncherState(),
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AnimatedFloat.VALUE, isTaskbarVisible ? 1f : 0f, LINEAR);
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setter.setFloat(mAnimationController.getTaskbarScaleForLauncherState(),
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AnimatedFloat.VALUE, toState.getTaskbarScale(mLauncher), LINEAR);
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setter.setFloat(mAnimationController.getTaskbarTranslationYForLauncherState(),
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AnimatedFloat.VALUE, toState.getTaskbarTranslationY(mLauncher), ACCEL_DEACCEL);
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}
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}
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