| /* |
| * Copyright (C) 2021 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.launcher3.taskbar; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.ObjectAnimator; |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.graphics.Rect; |
| import android.util.AttributeSet; |
| import android.view.View; |
| |
| import androidx.annotation.ColorInt; |
| import androidx.core.content.ContextCompat; |
| |
| import com.android.launcher3.LauncherAnimUtils; |
| import com.android.launcher3.R; |
| |
| public class StashedHandleView extends View { |
| |
| private static final long COLOR_CHANGE_DURATION = 120; |
| |
| private final @ColorInt int mStashedHandleLightColor; |
| private final @ColorInt int mStashedHandleDarkColor; |
| private final Rect mSampledRegion = new Rect(); |
| private final int[] mTmpArr = new int[2]; |
| |
| private @Nullable ObjectAnimator mColorChangeAnim; |
| |
| public StashedHandleView(Context context) { |
| this(context, null); |
| } |
| |
| public StashedHandleView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public StashedHandleView(Context context, AttributeSet attrs, int defStyleAttr) { |
| this(context, attrs, defStyleAttr, 0); |
| } |
| |
| public StashedHandleView(Context context, AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| |
| mStashedHandleLightColor = ContextCompat.getColor(context, |
| R.color.taskbar_stashed_handle_light_color); |
| mStashedHandleDarkColor = ContextCompat.getColor(context, |
| R.color.taskbar_stashed_handle_dark_color); |
| } |
| |
| /** |
| * Updates mSampledRegion to be the location of the stashedHandleBounds relative to the screen. |
| * @see #getSampledRegion() |
| */ |
| public void updateSampledRegion(Rect stashedHandleBounds) { |
| getLocationOnScreen(mTmpArr); |
| mSampledRegion.set(stashedHandleBounds); |
| mSampledRegion.offset(mTmpArr[0], mTmpArr[1]); |
| } |
| |
| public Rect getSampledRegion() { |
| return mSampledRegion; |
| } |
| |
| /** |
| * Updates the handle color. |
| * @param isRegionDark Whether the background behind the handle is dark, and thus the handle |
| * should be light (and vice versa). |
| * @param animate Whether to animate the change, or apply it immediately. |
| */ |
| public void updateHandleColor(boolean isRegionDark, boolean animate) { |
| int newColor = isRegionDark ? mStashedHandleLightColor : mStashedHandleDarkColor; |
| if (mColorChangeAnim != null) { |
| mColorChangeAnim.cancel(); |
| } |
| if (animate) { |
| mColorChangeAnim = ObjectAnimator.ofArgb(this, |
| LauncherAnimUtils.VIEW_BACKGROUND_COLOR, newColor); |
| mColorChangeAnim.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| mColorChangeAnim = null; |
| } |
| }); |
| mColorChangeAnim.setDuration(COLOR_CHANGE_DURATION); |
| mColorChangeAnim.start(); |
| } else { |
| setBackgroundColor(newColor); |
| } |
| } |
| } |