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      1 /*
      2  * Copyright (C) 2014 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.stack;
     18 
     19 import android.view.View;
     20 
     21 import com.android.systemui.statusbar.ActivatableNotificationView;
     22 import com.android.systemui.statusbar.policy.HeadsUpManager;
     23 
     24 import java.util.ArrayList;
     25 
     26 /**
     27  * A global state to track all input states for the algorithm.
     28  */
     29 public class AmbientState {
     30     private ArrayList<View> mDraggedViews = new ArrayList<View>();
     31     private int mScrollY;
     32     private boolean mDimmed;
     33     private ActivatableNotificationView mActivatedChild;
     34     private float mOverScrollTopAmount;
     35     private float mOverScrollBottomAmount;
     36     private int mSpeedBumpIndex = -1;
     37     private boolean mDark;
     38     private boolean mHideSensitive;
     39     private HeadsUpManager mHeadsUpManager;
     40     private float mStackTranslation;
     41     private int mLayoutHeight;
     42     private int mTopPadding;
     43     private boolean mShadeExpanded;
     44     private float mMaxHeadsUpTranslation;
     45     private boolean mDismissAllInProgress;
     46     private int mLayoutMinHeight;
     47 
     48     public int getScrollY() {
     49         return mScrollY;
     50     }
     51 
     52     public void setScrollY(int scrollY) {
     53         this.mScrollY = scrollY;
     54     }
     55 
     56     public void onBeginDrag(View view) {
     57         mDraggedViews.add(view);
     58     }
     59 
     60     public void onDragFinished(View view) {
     61         mDraggedViews.remove(view);
     62     }
     63 
     64     public ArrayList<View> getDraggedViews() {
     65         return mDraggedViews;
     66     }
     67 
     68     /**
     69      * @param dimmed Whether we are in a dimmed state (on the lockscreen), where the backgrounds are
     70      *               translucent and everything is scaled back a bit.
     71      */
     72     public void setDimmed(boolean dimmed) {
     73         mDimmed = dimmed;
     74     }
     75 
     76     /** In dark mode, we draw as little as possible, assuming a black background */
     77     public void setDark(boolean dark) {
     78         mDark = dark;
     79     }
     80 
     81     public void setHideSensitive(boolean hideSensitive) {
     82         mHideSensitive = hideSensitive;
     83     }
     84 
     85     /**
     86      * In dimmed mode, a child can be activated, which happens on the first tap of the double-tap
     87      * interaction. This child is then scaled normally and its background is fully opaque.
     88      */
     89     public void setActivatedChild(ActivatableNotificationView activatedChild) {
     90         mActivatedChild = activatedChild;
     91     }
     92 
     93     public boolean isDimmed() {
     94         return mDimmed;
     95     }
     96 
     97     public boolean isDark() {
     98         return mDark;
     99     }
    100 
    101     public boolean isHideSensitive() {
    102         return mHideSensitive;
    103     }
    104 
    105     public ActivatableNotificationView getActivatedChild() {
    106         return mActivatedChild;
    107     }
    108 
    109     public void setOverScrollAmount(float amount, boolean onTop) {
    110         if (onTop) {
    111             mOverScrollTopAmount = amount;
    112         } else {
    113             mOverScrollBottomAmount = amount;
    114         }
    115     }
    116 
    117     public float getOverScrollAmount(boolean top) {
    118         return top ? mOverScrollTopAmount : mOverScrollBottomAmount;
    119     }
    120 
    121     public int getSpeedBumpIndex() {
    122         return mSpeedBumpIndex;
    123     }
    124 
    125     public void setSpeedBumpIndex(int speedBumpIndex) {
    126         mSpeedBumpIndex = speedBumpIndex;
    127     }
    128 
    129     public void setHeadsUpManager(HeadsUpManager headsUpManager) {
    130         mHeadsUpManager = headsUpManager;
    131     }
    132 
    133     public float getStackTranslation() {
    134         return mStackTranslation;
    135     }
    136 
    137     public void setStackTranslation(float stackTranslation) {
    138         mStackTranslation = stackTranslation;
    139     }
    140 
    141     public void setLayoutHeight(int layoutHeight) {
    142         mLayoutHeight = layoutHeight;
    143     }
    144 
    145     public float getTopPadding() {
    146         return mTopPadding;
    147     }
    148 
    149     public void setTopPadding(int topPadding) {
    150         mTopPadding = topPadding;
    151     }
    152 
    153     public int getInnerHeight() {
    154         return Math.max(mLayoutHeight - mTopPadding, mLayoutMinHeight);
    155     }
    156 
    157     public boolean isShadeExpanded() {
    158         return mShadeExpanded;
    159     }
    160 
    161     public void setShadeExpanded(boolean shadeExpanded) {
    162         mShadeExpanded = shadeExpanded;
    163     }
    164 
    165     public void setMaxHeadsUpTranslation(float maxHeadsUpTranslation) {
    166         mMaxHeadsUpTranslation = maxHeadsUpTranslation;
    167     }
    168 
    169     public float getMaxHeadsUpTranslation() {
    170         return mMaxHeadsUpTranslation;
    171     }
    172 
    173     public void setDismissAllInProgress(boolean dismissAllInProgress) {
    174         mDismissAllInProgress = dismissAllInProgress;
    175     }
    176 
    177     public boolean isDismissAllInProgress() {
    178         return mDismissAllInProgress;
    179     }
    180 
    181     public void setLayoutMinHeight(int layoutMinHeight) {
    182         mLayoutMinHeight = layoutMinHeight;
    183     }
    184 }
    185