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      1 /*
      2  * Copyright (C) 2011 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;
     18 
     19 import android.content.Context;
     20 import android.util.AttributeSet;
     21 import android.util.Log;
     22 import android.view.View;
     23 import android.view.ViewGroup;
     24 import android.view.accessibility.AccessibilityEvent;
     25 import android.widget.ImageView;
     26 import android.widget.LinearLayout;
     27 
     28 import com.android.systemui.R;
     29 import com.android.systemui.statusbar.policy.NetworkControllerImpl;
     30 import com.android.systemui.statusbar.policy.SecurityController;
     31 
     32 // Intimately tied to the design of res/layout/signal_cluster_view.xml
     33 public class SignalClusterView
     34         extends LinearLayout
     35         implements NetworkControllerImpl.SignalCluster,
     36         SecurityController.SecurityControllerCallback {
     37 
     38     static final String TAG = "SignalClusterView";
     39     static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
     40 
     41     NetworkControllerImpl mNC;
     42     SecurityController mSC;
     43 
     44     private boolean mVpnVisible = false;
     45     private boolean mWifiVisible = false;
     46     private int mWifiStrengthId = 0;
     47     private boolean mMobileVisible = false;
     48     private int mMobileStrengthId = 0, mMobileTypeId = 0;
     49     private boolean mIsAirplaneMode = false;
     50     private int mAirplaneIconId = 0;
     51     private String mWifiDescription, mMobileDescription, mMobileTypeDescription;
     52     private boolean mRoaming;
     53     private boolean mIsMobileTypeIconWide;
     54 
     55     ViewGroup mWifiGroup, mMobileGroup;
     56     ImageView mVpn, mWifi, mMobile, mMobileType, mAirplane;
     57     View mWifiAirplaneSpacer;
     58     View mWifiSignalSpacer;
     59 
     60     private int mWideTypeIconStartPadding;
     61 
     62     public SignalClusterView(Context context) {
     63         this(context, null);
     64     }
     65 
     66     public SignalClusterView(Context context, AttributeSet attrs) {
     67         this(context, attrs, 0);
     68     }
     69 
     70     public SignalClusterView(Context context, AttributeSet attrs, int defStyle) {
     71         super(context, attrs, defStyle);
     72     }
     73 
     74     public void setNetworkController(NetworkControllerImpl nc) {
     75         if (DEBUG) Log.d(TAG, "NetworkController=" + nc);
     76         mNC = nc;
     77     }
     78 
     79     public void setSecurityController(SecurityController sc) {
     80         if (DEBUG) Log.d(TAG, "SecurityController=" + sc);
     81         mSC = sc;
     82         mSC.addCallback(this);
     83         mVpnVisible = mSC.isVpnEnabled();
     84     }
     85 
     86     @Override
     87     protected void onFinishInflate() {
     88         super.onFinishInflate();
     89         mWideTypeIconStartPadding = getContext().getResources().getDimensionPixelSize(
     90                 R.dimen.wide_type_icon_start_padding);
     91     }
     92 
     93     @Override
     94     protected void onAttachedToWindow() {
     95         super.onAttachedToWindow();
     96 
     97         mVpn            = (ImageView) findViewById(R.id.vpn);
     98         mWifiGroup      = (ViewGroup) findViewById(R.id.wifi_combo);
     99         mWifi           = (ImageView) findViewById(R.id.wifi_signal);
    100         mMobileGroup    = (ViewGroup) findViewById(R.id.mobile_combo);
    101         mMobile         = (ImageView) findViewById(R.id.mobile_signal);
    102         mMobileType     = (ImageView) findViewById(R.id.mobile_type);
    103         mAirplane       = (ImageView) findViewById(R.id.airplane);
    104         mWifiAirplaneSpacer =         findViewById(R.id.wifi_airplane_spacer);
    105         mWifiSignalSpacer =           findViewById(R.id.wifi_signal_spacer);
    106 
    107         apply();
    108     }
    109 
    110     @Override
    111     protected void onDetachedFromWindow() {
    112         mVpn            = null;
    113         mWifiGroup      = null;
    114         mWifi           = null;
    115         mMobileGroup    = null;
    116         mMobile         = null;
    117         mMobileType     = null;
    118         mAirplane       = null;
    119 
    120         super.onDetachedFromWindow();
    121     }
    122 
    123     // From SecurityController.
    124     @Override
    125     public void onStateChanged() {
    126         post(new Runnable() {
    127             @Override
    128             public void run() {
    129                 mVpnVisible = mSC.isVpnEnabled();
    130                 apply();
    131             }
    132         });
    133     }
    134 
    135     @Override
    136     public void setWifiIndicators(boolean visible, int strengthIcon, String contentDescription) {
    137         mWifiVisible = visible;
    138         mWifiStrengthId = strengthIcon;
    139         mWifiDescription = contentDescription;
    140 
    141         apply();
    142     }
    143 
    144     @Override
    145     public void setMobileDataIndicators(boolean visible, int strengthIcon, int typeIcon,
    146             String contentDescription, String typeContentDescription, boolean roaming,
    147             boolean isTypeIconWide) {
    148         mMobileVisible = visible;
    149         mMobileStrengthId = strengthIcon;
    150         mMobileTypeId = typeIcon;
    151         mMobileDescription = contentDescription;
    152         mMobileTypeDescription = typeContentDescription;
    153         mRoaming = roaming;
    154         mIsMobileTypeIconWide = isTypeIconWide;
    155 
    156         apply();
    157     }
    158 
    159     @Override
    160     public void setIsAirplaneMode(boolean is, int airplaneIconId) {
    161         mIsAirplaneMode = is;
    162         mAirplaneIconId = airplaneIconId;
    163 
    164         apply();
    165     }
    166 
    167     @Override
    168     public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
    169         // Standard group layout onPopulateAccessibilityEvent() implementations
    170         // ignore content description, so populate manually
    171         if (mWifiVisible && mWifiGroup != null && mWifiGroup.getContentDescription() != null)
    172             event.getText().add(mWifiGroup.getContentDescription());
    173         if (mMobileVisible && mMobileGroup != null && mMobileGroup.getContentDescription() != null)
    174             event.getText().add(mMobileGroup.getContentDescription());
    175         return super.dispatchPopulateAccessibilityEvent(event);
    176     }
    177 
    178     @Override
    179     public void onRtlPropertiesChanged(int layoutDirection) {
    180         super.onRtlPropertiesChanged(layoutDirection);
    181 
    182         if (mWifi != null) {
    183             mWifi.setImageDrawable(null);
    184         }
    185 
    186         if (mMobile != null) {
    187             mMobile.setImageDrawable(null);
    188         }
    189 
    190         if (mMobileType != null) {
    191             mMobileType.setImageDrawable(null);
    192         }
    193 
    194         if(mAirplane != null) {
    195             mAirplane.setImageDrawable(null);
    196         }
    197 
    198         apply();
    199     }
    200 
    201     @Override
    202     public boolean hasOverlappingRendering() {
    203         return false;
    204     }
    205 
    206     // Run after each indicator change.
    207     private void apply() {
    208         if (mWifiGroup == null) return;
    209 
    210         mVpn.setVisibility(mVpnVisible ? View.VISIBLE : View.GONE);
    211         if (DEBUG) Log.d(TAG, String.format("vpn: %s", mVpnVisible ? "VISIBLE" : "GONE"));
    212         if (mWifiVisible) {
    213             mWifi.setImageResource(mWifiStrengthId);
    214             mWifiGroup.setContentDescription(mWifiDescription);
    215             mWifiGroup.setVisibility(View.VISIBLE);
    216         } else {
    217             mWifiGroup.setVisibility(View.GONE);
    218         }
    219 
    220         if (DEBUG) Log.d(TAG,
    221                 String.format("wifi: %s sig=%d",
    222                     (mWifiVisible ? "VISIBLE" : "GONE"),
    223                     mWifiStrengthId));
    224 
    225         if (mMobileVisible && !mIsAirplaneMode) {
    226             mMobile.setImageResource(mMobileStrengthId);
    227             mMobileType.setImageResource(mMobileTypeId);
    228             mMobileGroup.setContentDescription(mMobileTypeDescription + " " + mMobileDescription);
    229             mMobileGroup.setVisibility(View.VISIBLE);
    230         } else {
    231             mMobileGroup.setVisibility(View.GONE);
    232         }
    233 
    234         if (mIsAirplaneMode) {
    235             mAirplane.setImageResource(mAirplaneIconId);
    236             mAirplane.setVisibility(View.VISIBLE);
    237         } else {
    238             mAirplane.setVisibility(View.GONE);
    239         }
    240 
    241         if (mIsAirplaneMode && mWifiVisible) {
    242             mWifiAirplaneSpacer.setVisibility(View.VISIBLE);
    243         } else {
    244             mWifiAirplaneSpacer.setVisibility(View.GONE);
    245         }
    246 
    247         if (mRoaming && mMobileVisible && mWifiVisible) {
    248             mWifiSignalSpacer.setVisibility(View.VISIBLE);
    249         } else {
    250             mWifiSignalSpacer.setVisibility(View.GONE);
    251         }
    252 
    253         mMobile.setPaddingRelative(mIsMobileTypeIconWide ? mWideTypeIconStartPadding : 0, 0, 0, 0);
    254 
    255         if (DEBUG) Log.d(TAG,
    256                 String.format("mobile: %s sig=%d typ=%d",
    257                     (mMobileVisible ? "VISIBLE" : "GONE"),
    258                     mMobileStrengthId, mMobileTypeId));
    259 
    260         mMobileType.setVisibility((mRoaming || mMobileTypeId != 0) ? View.VISIBLE : View.GONE);
    261     }
    262 }
    263 
    264