Jason Monk | aa573e9 | 2017-01-27 17:00:29 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file |
| 5 | * except in compliance with the License. You may obtain a copy of the License at |
| 6 | * |
| 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | * |
| 9 | * Unless required by applicable law or agreed to in writing, software distributed under the |
| 10 | * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 11 | * KIND, either express or implied. See the License for the specific language governing |
| 12 | * permissions and limitations under the License. |
| 13 | */ |
| 14 | |
| 15 | package com.android.systemui.statusbar.policy; |
| 16 | |
| 17 | import android.graphics.Color; |
| 18 | import android.graphics.Rect; |
| 19 | import android.view.View; |
| 20 | import android.widget.ImageView; |
| 21 | |
| 22 | import com.android.systemui.statusbar.phone.LightBarTransitionsController; |
| 23 | |
| 24 | public interface DarkIconDispatcher { |
| 25 | |
| 26 | void setIconsDarkArea(Rect r); |
| 27 | LightBarTransitionsController getTransitionsController(); |
| 28 | |
| 29 | void addDarkReceiver(DarkReceiver receiver); |
| 30 | void addDarkReceiver(ImageView imageView); |
| 31 | |
| 32 | // Must have been previously been added through one of the addDarkReceive methods above. |
| 33 | void removeDarkReceiver(DarkReceiver object); |
| 34 | void removeDarkReceiver(ImageView object); |
| 35 | |
| 36 | // Used to reapply darkness on an object, must have previously been added through |
| 37 | // addDarkReceiver. |
Evan Laird | e1d13c9 | 2018-03-20 16:58:01 -0400 | [diff] [blame] | 38 | void applyDark(DarkReceiver object); |
Jason Monk | aa573e9 | 2017-01-27 17:00:29 -0500 | [diff] [blame] | 39 | |
| 40 | int DEFAULT_ICON_TINT = Color.WHITE; |
| 41 | Rect sTmpRect = new Rect(); |
| 42 | int[] sTmpInt2 = new int[2]; |
| 43 | |
| 44 | /** |
| 45 | * @return the tint to apply to {@param view} depending on the desired tint {@param color} and |
| 46 | * the screen {@param tintArea} in which to apply that tint |
| 47 | */ |
| 48 | static int getTint(Rect tintArea, View view, int color) { |
| 49 | if (isInArea(tintArea, view)) { |
| 50 | return color; |
| 51 | } else { |
| 52 | return DEFAULT_ICON_TINT; |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * @return the dark intensity to apply to {@param view} depending on the desired dark |
| 58 | * {@param intensity} and the screen {@param tintArea} in which to apply that intensity |
| 59 | */ |
| 60 | static float getDarkIntensity(Rect tintArea, View view, float intensity) { |
| 61 | if (isInArea(tintArea, view)) { |
| 62 | return intensity; |
| 63 | } else { |
| 64 | return 0f; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * @return true if more than half of the {@param view} area are in {@param area}, false |
| 70 | * otherwise |
| 71 | */ |
| 72 | static boolean isInArea(Rect area, View view) { |
| 73 | if (area.isEmpty()) { |
| 74 | return true; |
| 75 | } |
| 76 | sTmpRect.set(area); |
| 77 | view.getLocationOnScreen(sTmpInt2); |
| 78 | int left = sTmpInt2[0]; |
| 79 | |
| 80 | int intersectStart = Math.max(left, area.left); |
| 81 | int intersectEnd = Math.min(left + view.getWidth(), area.right); |
| 82 | int intersectAmount = Math.max(0, intersectEnd - intersectStart); |
| 83 | |
| 84 | boolean coversFullStatusBar = area.top <= 0; |
| 85 | boolean majorityOfWidth = 2 * intersectAmount > view.getWidth(); |
| 86 | return majorityOfWidth && coversFullStatusBar; |
| 87 | } |
| 88 | |
| 89 | interface DarkReceiver { |
| 90 | void onDarkChanged(Rect area, float darkIntensity, int tint); |
| 91 | } |
| 92 | } |