1 /* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.launcher3.taskbar; 18 19 import android.view.View; 20 21 import com.android.launcher3.R; 22 import com.android.launcher3.taskbar.navbutton.NearestTouchFrame; 23 import com.android.systemui.shared.statusbar.phone.BarTransitions; 24 25 import java.io.PrintWriter; 26 27 /** Manages task bar transitions */ 28 public class TaskbarTransitions extends BarTransitions implements 29 TaskbarControllers.LoggableTaskbarController { 30 31 private final TaskbarActivityContext mContext; 32 33 private boolean mWallpaperVisible; 34 35 private boolean mLightsOut; 36 private boolean mAutoDim; 37 private View mNavButtons; 38 private float mDarkIntensity; 39 40 private final NearestTouchFrame mView; 41 TaskbarTransitions(TaskbarActivityContext context, NearestTouchFrame view)42 public TaskbarTransitions(TaskbarActivityContext context, NearestTouchFrame view) { 43 super(view, R.drawable.nav_background); 44 45 mContext = context; 46 mView = view; 47 } 48 init()49 void init() { 50 mView.addOnLayoutChangeListener( 51 (v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) -> { 52 mNavButtons = mView.findViewById(R.id.end_nav_buttons); 53 applyLightsOut(false, true); 54 }); 55 mNavButtons = mView.findViewById(R.id.end_nav_buttons); 56 57 applyModeBackground(-1, getMode(), false /*animate*/); 58 applyLightsOut(false /*animate*/, true /*force*/); 59 if (mContext.isPhoneButtonNavMode()) { 60 mBarBackground.setOverrideAlpha(1); 61 } 62 } 63 setWallpaperVisibility(boolean visible)64 void setWallpaperVisibility(boolean visible) { 65 mWallpaperVisible = visible; 66 applyLightsOut(true, false); 67 } 68 69 @Override setAutoDim(boolean autoDim)70 public void setAutoDim(boolean autoDim) { 71 // Ensure we aren't in gestural nav if we are triggering auto dim 72 if (autoDim && !mContext.isPhoneButtonNavMode()) { 73 return; 74 } 75 if (mAutoDim == autoDim) return; 76 mAutoDim = autoDim; 77 applyLightsOut(true, false); 78 } 79 80 @Override onTransition(int oldMode, int newMode, boolean animate)81 protected void onTransition(int oldMode, int newMode, boolean animate) { 82 super.onTransition(oldMode, newMode, animate); 83 applyLightsOut(animate, false /*force*/); 84 } 85 applyLightsOut(boolean animate, boolean force)86 private void applyLightsOut(boolean animate, boolean force) { 87 // apply to lights out 88 applyLightsOut(isLightsOut(getMode()), animate, force); 89 } 90 applyLightsOut(boolean lightsOut, boolean animate, boolean force)91 private void applyLightsOut(boolean lightsOut, boolean animate, boolean force) { 92 if (!force && lightsOut == mLightsOut) return; 93 94 mLightsOut = lightsOut; 95 if (mNavButtons == null) return; 96 97 // ok, everyone, stop it right there 98 mNavButtons.animate().cancel(); 99 100 // Bump percentage by 10% if dark. 101 float darkBump = mDarkIntensity / 10; 102 final float navButtonsAlpha = lightsOut ? 0.6f + darkBump : 1f; 103 104 if (!animate) { 105 mNavButtons.setAlpha(navButtonsAlpha); 106 } else { 107 final int duration = lightsOut ? LIGHTS_OUT_DURATION : LIGHTS_IN_DURATION; 108 mNavButtons.animate() 109 .alpha(navButtonsAlpha) 110 .setDuration(duration) 111 .start(); 112 } 113 } 114 onDarkIntensityChanged(float darkIntensity)115 void onDarkIntensityChanged(float darkIntensity) { 116 mDarkIntensity = darkIntensity; 117 if (mAutoDim) { 118 applyLightsOut(false, true); 119 } 120 } 121 122 @Override dumpLogs(String prefix, PrintWriter pw)123 public void dumpLogs(String prefix, PrintWriter pw) { 124 pw.println(prefix + "TaskbarTransitions:"); 125 126 pw.println(prefix + "\tmMode=" + getMode()); 127 pw.println(prefix + "\tmAlwaysOpaque: " + isAlwaysOpaque()); 128 pw.println(prefix + "\tmWallpaperVisible: " + mWallpaperVisible); 129 pw.println(prefix + "\tmLightsOut: " + mLightsOut); 130 pw.println(prefix + "\tmAutoDim: " + mAutoDim); 131 pw.println(prefix + "\tbg overrideAlpha: " + mBarBackground.getOverrideAlpha()); 132 pw.println(prefix + "\tbg color: " + mBarBackground.getColor()); 133 pw.println(prefix + "\tbg frame: " + mBarBackground.getFrame()); 134 } 135 } 136