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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.phone;
     18 
     19 import android.animation.LayoutTransition;
     20 import android.content.Context;
     21 import android.content.res.Configuration;
     22 import android.graphics.drawable.Drawable;
     23 import android.util.AttributeSet;
     24 import android.util.TypedValue;
     25 import android.view.View;
     26 import android.view.ViewTreeObserver;
     27 import android.view.animation.AnimationUtils;
     28 import android.view.animation.Interpolator;
     29 import android.widget.ImageView;
     30 import android.widget.RelativeLayout;
     31 import android.widget.TextView;
     32 
     33 import com.android.systemui.BatteryMeterView;
     34 import com.android.systemui.R;
     35 import com.android.systemui.statusbar.policy.BatteryController;
     36 import com.android.systemui.statusbar.policy.KeyguardUserSwitcher;
     37 import com.android.systemui.statusbar.policy.UserInfoController;
     38 
     39 /**
     40  * The header group on Keyguard.
     41  */
     42 public class KeyguardStatusBarView extends RelativeLayout
     43         implements BatteryController.BatteryStateChangeCallback {
     44 
     45     private boolean mBatteryCharging;
     46     private boolean mKeyguardUserSwitcherShowing;
     47     private boolean mBatteryListening;
     48 
     49     private TextView mCarrierLabel;
     50     private View mSystemIconsSuperContainer;
     51     private MultiUserSwitch mMultiUserSwitch;
     52     private ImageView mMultiUserAvatar;
     53     private TextView mBatteryLevel;
     54 
     55     private BatteryController mBatteryController;
     56     private KeyguardUserSwitcher mKeyguardUserSwitcher;
     57 
     58     private int mSystemIconsSwitcherHiddenExpandedMargin;
     59     private Interpolator mFastOutSlowInInterpolator;
     60 
     61     public KeyguardStatusBarView(Context context, AttributeSet attrs) {
     62         super(context, attrs);
     63     }
     64 
     65     @Override
     66     protected void onFinishInflate() {
     67         super.onFinishInflate();
     68         mSystemIconsSuperContainer = findViewById(R.id.system_icons_super_container);
     69         mMultiUserSwitch = (MultiUserSwitch) findViewById(R.id.multi_user_switch);
     70         mMultiUserAvatar = (ImageView) findViewById(R.id.multi_user_avatar);
     71         mBatteryLevel = (TextView) findViewById(R.id.battery_level);
     72         mCarrierLabel = (TextView) findViewById(R.id.keyguard_carrier_text);
     73         loadDimens();
     74         mFastOutSlowInInterpolator = AnimationUtils.loadInterpolator(getContext(),
     75                 android.R.interpolator.fast_out_slow_in);
     76         updateUserSwitcher();
     77     }
     78 
     79     @Override
     80     protected void onConfigurationChanged(Configuration newConfig) {
     81         super.onConfigurationChanged(newConfig);
     82 
     83         // Respect font size setting.
     84         mCarrierLabel.setTextSize(TypedValue.COMPLEX_UNIT_PX,
     85                 getResources().getDimensionPixelSize(
     86                         com.android.internal.R.dimen.text_size_small_material));
     87         mBatteryLevel.setTextSize(TypedValue.COMPLEX_UNIT_PX,
     88                 getResources().getDimensionPixelSize(R.dimen.battery_level_text_size));
     89     }
     90 
     91     private void loadDimens() {
     92         mSystemIconsSwitcherHiddenExpandedMargin = getResources().getDimensionPixelSize(
     93                 R.dimen.system_icons_switcher_hidden_expanded_margin);
     94     }
     95 
     96     private void updateVisibilities() {
     97         if (mMultiUserSwitch.getParent() != this && !mKeyguardUserSwitcherShowing) {
     98             if (mMultiUserSwitch.getParent() != null) {
     99                 getOverlay().remove(mMultiUserSwitch);
    100             }
    101             addView(mMultiUserSwitch, 0);
    102         } else if (mMultiUserSwitch.getParent() == this && mKeyguardUserSwitcherShowing) {
    103             removeView(mMultiUserSwitch);
    104         }
    105         mBatteryLevel.setVisibility(mBatteryCharging ? View.VISIBLE : View.GONE);
    106     }
    107 
    108     private void updateSystemIconsLayoutParams() {
    109         RelativeLayout.LayoutParams lp =
    110                 (LayoutParams) mSystemIconsSuperContainer.getLayoutParams();
    111         int marginEnd = mKeyguardUserSwitcherShowing ? mSystemIconsSwitcherHiddenExpandedMargin : 0;
    112         if (marginEnd != lp.getMarginEnd()) {
    113             lp.setMarginEnd(marginEnd);
    114             mSystemIconsSuperContainer.setLayoutParams(lp);
    115         }
    116     }
    117 
    118     public void setListening(boolean listening) {
    119         if (listening == mBatteryListening) {
    120             return;
    121         }
    122         mBatteryListening = listening;
    123         if (mBatteryListening) {
    124             mBatteryController.addStateChangedCallback(this);
    125         } else {
    126             mBatteryController.removeStateChangedCallback(this);
    127         }
    128     }
    129 
    130     private void updateUserSwitcher() {
    131         boolean keyguardSwitcherAvailable = mKeyguardUserSwitcher != null;
    132         mMultiUserSwitch.setClickable(keyguardSwitcherAvailable);
    133         mMultiUserSwitch.setFocusable(keyguardSwitcherAvailable);
    134         mMultiUserSwitch.setKeyguardMode(keyguardSwitcherAvailable);
    135     }
    136 
    137     public void setBatteryController(BatteryController batteryController) {
    138         mBatteryController = batteryController;
    139         ((BatteryMeterView) findViewById(R.id.battery)).setBatteryController(batteryController);
    140     }
    141 
    142     public void setUserInfoController(UserInfoController userInfoController) {
    143         userInfoController.addListener(new UserInfoController.OnUserInfoChangedListener() {
    144             @Override
    145             public void onUserInfoChanged(String name, Drawable picture) {
    146                 mMultiUserAvatar.setImageDrawable(picture);
    147             }
    148         });
    149     }
    150 
    151     @Override
    152     public void onBatteryLevelChanged(int level, boolean pluggedIn, boolean charging) {
    153         mBatteryLevel.setText(getResources().getString(R.string.battery_level_template, level));
    154         boolean changed = mBatteryCharging != charging;
    155         mBatteryCharging = charging;
    156         if (changed) {
    157             updateVisibilities();
    158         }
    159     }
    160 
    161     @Override
    162     public void onPowerSaveChanged() {
    163         // could not care less
    164     }
    165 
    166     public void setKeyguardUserSwitcher(KeyguardUserSwitcher keyguardUserSwitcher) {
    167         mKeyguardUserSwitcher = keyguardUserSwitcher;
    168         mMultiUserSwitch.setKeyguardUserSwitcher(keyguardUserSwitcher);
    169         updateUserSwitcher();
    170     }
    171 
    172     public void setKeyguardUserSwitcherShowing(boolean showing, boolean animate) {
    173         mKeyguardUserSwitcherShowing = showing;
    174         if (animate) {
    175             animateNextLayoutChange();
    176         }
    177         updateVisibilities();
    178         updateSystemIconsLayoutParams();
    179     }
    180 
    181     private void animateNextLayoutChange() {
    182         final int systemIconsCurrentX = mSystemIconsSuperContainer.getLeft();
    183         final boolean userSwitcherVisible = mMultiUserSwitch.getParent() == this;
    184         getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
    185             @Override
    186             public boolean onPreDraw() {
    187                 getViewTreeObserver().removeOnPreDrawListener(this);
    188                 boolean userSwitcherHiding = userSwitcherVisible
    189                         && mMultiUserSwitch.getParent() != KeyguardStatusBarView.this;
    190                 mSystemIconsSuperContainer.setX(systemIconsCurrentX);
    191                 mSystemIconsSuperContainer.animate()
    192                         .translationX(0)
    193                         .setDuration(400)
    194                         .setStartDelay(userSwitcherHiding ? 300 : 0)
    195                         .setInterpolator(mFastOutSlowInInterpolator)
    196                         .start();
    197                 if (userSwitcherHiding) {
    198                     getOverlay().add(mMultiUserSwitch);
    199                     mMultiUserSwitch.animate()
    200                             .alpha(0f)
    201                             .setDuration(300)
    202                             .setStartDelay(0)
    203                             .setInterpolator(PhoneStatusBar.ALPHA_OUT)
    204                             .withEndAction(new Runnable() {
    205                                 @Override
    206                                 public void run() {
    207                                     mMultiUserSwitch.setAlpha(1f);
    208                                     getOverlay().remove(mMultiUserSwitch);
    209                                 }
    210                             })
    211                             .start();
    212 
    213                 } else {
    214                     mMultiUserSwitch.setAlpha(0f);
    215                     mMultiUserSwitch.animate()
    216                             .alpha(1f)
    217                             .setDuration(300)
    218                             .setStartDelay(200)
    219                             .setInterpolator(PhoneStatusBar.ALPHA_IN);
    220                 }
    221                 return true;
    222             }
    223         });
    224 
    225     }
    226 
    227     @Override
    228     public void setVisibility(int visibility) {
    229         super.setVisibility(visibility);
    230         if (visibility != View.VISIBLE) {
    231             mSystemIconsSuperContainer.animate().cancel();
    232             mMultiUserSwitch.animate().cancel();
    233             mMultiUserSwitch.setAlpha(1f);
    234         }
    235     }
    236 
    237     @Override
    238     public boolean hasOverlappingRendering() {
    239         return false;
    240     }
    241 }
    242