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      1 /*
      2  * Copyright (C) 2016 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.systemui.statusbar.phone;
     18 
     19 import android.graphics.Rect;
     20 import android.view.View;
     21 
     22 import com.android.systemui.statusbar.policy.BatteryController;
     23 
     24 import static com.android.systemui.statusbar.phone.BarTransitions.MODE_LIGHTS_OUT_TRANSPARENT;
     25 import static com.android.systemui.statusbar.phone.BarTransitions.MODE_TRANSPARENT;
     26 
     27 /**
     28  * Controls how light status bar flag applies to the icons.
     29  */
     30 public class LightStatusBarController {
     31 
     32     private final StatusBarIconController mIconController;
     33     private final BatteryController mBatteryController;
     34     private FingerprintUnlockController mFingerprintUnlockController;
     35 
     36     private int mFullscreenStackVisibility;
     37     private int mDockedStackVisibility;
     38     private boolean mFullscreenLight;
     39     private boolean mDockedLight;
     40 
     41     private final Rect mLastFullscreenBounds = new Rect();
     42     private final Rect mLastDockedBounds = new Rect();
     43 
     44     public LightStatusBarController(StatusBarIconController iconController,
     45             BatteryController batteryController) {
     46         mIconController = iconController;
     47         mBatteryController = batteryController;
     48     }
     49 
     50     public void setFingerprintUnlockController(
     51             FingerprintUnlockController fingerprintUnlockController) {
     52         mFingerprintUnlockController = fingerprintUnlockController;
     53     }
     54 
     55     public void onSystemUiVisibilityChanged(int fullscreenStackVis, int dockedStackVis, int mask,
     56             Rect fullscreenStackBounds, Rect dockedStackBounds, boolean sbModeChanged,
     57             int statusBarMode) {
     58         int oldFullscreen = mFullscreenStackVisibility;
     59         int newFullscreen = (oldFullscreen & ~mask) | (fullscreenStackVis & mask);
     60         int diffFullscreen = newFullscreen ^ oldFullscreen;
     61         int oldDocked = mDockedStackVisibility;
     62         int newDocked = (oldDocked & ~mask) | (dockedStackVis & mask);
     63         int diffDocked = newDocked ^ oldDocked;
     64         if ((diffFullscreen & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR) != 0
     65                 || (diffDocked & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR) != 0
     66                 || sbModeChanged
     67                 || !mLastFullscreenBounds.equals(fullscreenStackBounds)
     68                 || !mLastDockedBounds.equals(dockedStackBounds)) {
     69 
     70             mFullscreenLight = isLight(newFullscreen, statusBarMode);
     71             mDockedLight = isLight(newDocked, statusBarMode);
     72             update(fullscreenStackBounds, dockedStackBounds);
     73         }
     74         mFullscreenStackVisibility = newFullscreen;
     75         mDockedStackVisibility = newDocked;
     76         mLastFullscreenBounds.set(fullscreenStackBounds);
     77         mLastDockedBounds.set(dockedStackBounds);
     78     }
     79 
     80     private boolean isLight(int vis, int statusBarMode) {
     81         boolean isTransparentBar = (statusBarMode == MODE_TRANSPARENT
     82                 || statusBarMode == MODE_LIGHTS_OUT_TRANSPARENT);
     83         boolean allowLight = isTransparentBar && !mBatteryController.isPowerSave();
     84         boolean light = (vis & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR) != 0;
     85         return allowLight && light;
     86     }
     87 
     88     private boolean animateChange() {
     89         if (mFingerprintUnlockController == null) {
     90             return false;
     91         }
     92         int unlockMode = mFingerprintUnlockController.getMode();
     93         return unlockMode != FingerprintUnlockController.MODE_WAKE_AND_UNLOCK_PULSING
     94                 && unlockMode != FingerprintUnlockController.MODE_WAKE_AND_UNLOCK;
     95     }
     96 
     97     private void update(Rect fullscreenStackBounds, Rect dockedStackBounds) {
     98         boolean hasDockedStack = !dockedStackBounds.isEmpty();
     99 
    100         // If both are light or fullscreen is light and there is no docked stack, all icons get
    101         // dark.
    102         if ((mFullscreenLight && mDockedLight) || (mFullscreenLight && !hasDockedStack)) {
    103             mIconController.setIconsDarkArea(null);
    104             mIconController.setIconsDark(true, animateChange());
    105 
    106         }
    107 
    108         // If no one is light or the fullscreen is not light and there is no docked stack,
    109         // all icons become white.
    110         else if ((!mFullscreenLight && !mDockedLight) || (!mFullscreenLight && !hasDockedStack)) {
    111             mIconController.setIconsDark(false, animateChange());
    112 
    113         }
    114 
    115         // Not the same for every stack, magic!
    116         else {
    117             Rect bounds = mFullscreenLight ? fullscreenStackBounds : dockedStackBounds;
    118             if (bounds.isEmpty()) {
    119                 mIconController.setIconsDarkArea(null);
    120             } else {
    121                 mIconController.setIconsDarkArea(bounds);
    122             }
    123             mIconController.setIconsDark(true, animateChange());
    124         }
    125     }
    126 }
    127