Android P SystemUI添加VoWiFi Tile

/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.systemui.qs.tiles;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.provider.Settings.Global;
import android.service.quicksettings.Tile;
import android.telecom.TelecomManager;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.widget.Switch;
import android.widget.Toast;

import com.android.ims.ImsException;
import com.android.ims.ImsManager;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.internal.telephony.TelephonyIntents;
import com.android.systemui.Dependency;
import com.android.systemui.R;
import com.android.systemui.plugins.qs.QSTile.BooleanState;
import com.android.systemui.qs.GlobalSetting;
import com.android.systemui.qs.QSHost;
import com.android.systemui.qs.tileimpl.QSTileImpl;
import com.android.systemui.statusbar.policy.NetworkController;
import com.mediatek.ims.internal.MtkImsManager;
import com.mediatek.ims.internal.MtkImsManagerEx;
import com.mediatek.internal.telephony.MtkPhoneConstants;

/** Quick settings tile: VoLTE switch **/
public class VoWifiTile extends QSTileImpl {
    private final GlobalSetting mSetting;
    private boolean mListening;
    private boolean mNoSimCard;
    private NetworkController mController;
    private  CellSignalCallback mSignalCallback = new CellSignalCallback();
    private final class CellSignalCallback implements NetworkController.SignalCallback {

        @Override
        public void setNoSims(boolean show, boolean simDetected) {
            if (DEBUG) {
                Log.d(TAG, "show = " + show + " simDetected = " + simDetected);
            }
            mNoSimCard = show;
            refreshState(null);
        }
    }

    public VoWifiTile(QSHost host) {
        super(host);
        mController = Dependency.get(NetworkController.class);

        mSetting = new GlobalSetting(mContext, mHandler, Global.WFC_IMS_ENABLED) {
            @Override
            protected void handleValueChanged(int value) {
                if (DEBUG) {
                    Log.d(TAG, "handleValueChanged, value = " + value);
                }
                handleRefreshState(value);
            }
        };
    }

    @Override
    public BooleanState newTileState() {
        return new BooleanState();
    }

    @Override
    public void handleClick() {
        MetricsLogger.action(mContext, getMetricsCategory(), !mState.value);
        if (DEBUG) {
            Log.d(TAG, "handleClick, set vowifi switch enable = " + !mState.value);
        }
        setEnabled(!getVoWiFiState());
    }

    private void setEnabled(boolean enabled) {
        if (canNotSetVoWiFiMode()) {
            if (DEBUG) {
                Log.d(TAG, "onSwitchChanged can't set vowifi state");
            }
            Toast.makeText(mContext,
                    R.string.can_not_switch_vowifi_mode_tips, Toast.LENGTH_SHORT).show();
        } else {
            if (DEBUG) {
                Log.d(TAG, "start to set vowifi ,enable is " + enabled);
            }
            MtkImsManager.setWfcSetting(mContext,enabled,SubscriptionManager.getPhoneId(SubscriptionManager.getDefaultSubscriptionId()));
        }
    }

    @Override
    public Intent getLongClickIntent() {
        Intent intent = new Intent();
        intent.setAction("android.settings.WIFI_CALLING_SETTINGS");
        Bundle bundle = new Bundle();
        bundle.putBoolean("need_search_icon_in_action_bar", false);
        bundle.putInt("subId",SubscriptionManager.getPhoneId(SubscriptionManager.getDefaultSubscriptionId()));
        return intent;
    }

    @Override
    public CharSequence getTileLabel() {
        return mContext.getString(R.string.vowifi_switch);
    }

    @Override
    protected void handleUpdateState(BooleanState state, Object arg) {
        boolean vowifi = getVoWiFiState();
        final Drawable mEnable = mContext.getDrawable(R.drawable.vowifi_enable);
        final Drawable mDisable = mContext.getDrawable(R.drawable.vowifi_disable);
        if (mNoSimCard){
            vowifi = false;
        }
        state.value = vowifi;
        state.label = mContext.getString(R.string.vowifi_switch);
        state.icon = new DrawableIcon(state.value ? mEnable : mDisable);
        if (state.slash == null) {
            state.slash = new SlashState();
        }
        state.slash.isSlashed = !vowifi;
        state.state = vowifi ? Tile.STATE_ACTIVE : Tile.STATE_INACTIVE;
        state.contentDescription = state.label;
        state.expandedAccessibilityClassName = Switch.class.getName();
    }

    @Override
    public int getMetricsCategory() {
        return MetricsEvent.QS_AIRPLANEMODE;
    }

    @Override
    protected String composeChangeAnnouncement() {
        if (mState.value) {
            return mContext.getString(R.string.accessibility_quick_settings_VoWifi_changed_on);
        } else {
            return mContext.getString(R.string.accessibility_quick_settings_VoWifi_changed_off);
        }
    }

    public void handleSetListening(boolean listening) {
        if (mListening == listening) return;
        mListening = listening;
        if (listening) {
            final IntentFilter filter = new IntentFilter();
            filter.addAction(Intent.ACTION_AIRPLANE_MODE_CHANGED);
            filter.addAction(TelephonyIntents.ACTION_SIM_STATE_CHANGED);
            mContext.registerReceiver(mReceiver, filter);
            mController.addCallback(mSignalCallback);
        } else {
            mContext.unregisterReceiver(mReceiver);
            mController.removeCallback(mSignalCallback);
        }
        mSetting.setListening(listening);
    }

    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            if (Intent.ACTION_AIRPLANE_MODE_CHANGED.equals(intent.getAction()) || TelephonyIntents.ACTION_SIM_STATE_CHANGED.equals(intent.getAction())) {
                if (DEBUG) {
                    Log.d(TAG, "yanghua onReceive, action = "+ intent.getAction());
                }
                refreshState();
            }
        }
    };

    private boolean canNotSetVoWiFiMode() {
        if (DEBUG) {
            Log.d(TAG, "canNotSetVoWiFiMode > isInCall =  " + isInCall(mContext) +
                    "; isInSwitchProcess=" + isInSwitchProcess() + "; isAirplaneModeOn=" + isAirplaneModeOn(mContext)
                    + "; mNoSimCard =" + mNoSimCard + "; mSimReady=" + isSimReady());
        }
        return isInCall(mContext) || isInSwitchProcess()
             || isAirplaneModeOn(mContext) || mNoSimCard || !isSimReady() || !isWfcEnable();
    }

    private boolean getVoWiFiState(){
        ImsManager imsManager = ImsManager.getInstance(
                mContext, SubscriptionManager.getPhoneId(SubscriptionManager.getDefaultSubscriptionId()));
        if (null == imsManager){
            if (DEBUG) {
                Log.d(TAG, "getVoWiFiState imsManager NULL");
            }
            return false;
        }
        //Log.d(TAG,"getVoWiFiState isWfcEnable = "+isWfcEnable());
        if (!isWfcEnable()){
            return false;
        }
        if (DEBUG) {
            Log.d(TAG, "getVoWiFiState " + " isWfcEnabledByUser = " + imsManager.isWfcEnabledByUser() + " isWfcEnabledByPlatform = " + imsManager.isWfcEnabledByPlatform()
                    + " isNonTtyOrTtyOnVolteEnabled = " + imsManager.isNonTtyOrTtyOnVolteEnabled());
        }
        return imsManager.isWfcEnabledByUser()&& imsManager.isWfcEnabledByPlatform()&&imsManager.isNonTtyOrTtyOnVolteEnabled();
    }

    /**
     * Check if user is in Call.
     * @param context Settings context
     * @return true if call is ongoing.
     */
    public static boolean isInCall(Context context) {
        TelecomManager manager = (TelecomManager) context.getSystemService(
                Context.TELECOM_SERVICE);
        boolean inCall = false;
        if (manager != null) {
            inCall = manager.isInCall();
        }
        if (DEBUG) {
            Log.d("yanghua", "[isInCall] = " + inCall);
        }
        return inCall;
    }

    private boolean isSimReady(){
        int state = TelephonyManager.from(mContext).getSimCardState();
        if (DEBUG) {
            Log.d(TAG, "sim card state = " + state);
        }
        return true;
    }

    /**
     * Get airplane Mode settings value.
     * @param context Settings context
     * @return true if airplane mode is on.
     */
    public static boolean isAirplaneModeOn(Context context) {
        return Global.getInt(context.getContentResolver(),
                Global.AIRPLANE_MODE_ON, 0) != 0;
    }

    /**
     * Get the IMS_STATE_XXX, so can get whether the state is in changing.
     * @return true if the state is in changing, else return false.
     */
    private boolean isInSwitchProcess() {
        int imsState = MtkPhoneConstants.IMS_STATE_DISABLED;
        try {
            imsState = MtkImsManagerEx.getInstance().getImsState(
                    SubscriptionManager.getPhoneId(SubscriptionManager.getDefaultSubscriptionId()));
        } catch (ImsException e) {
            return false;
        }
        Log.d(TAG, "isInSwitchProcess, imsState=" + imsState);
        return imsState == MtkPhoneConstants.IMS_STATE_DISABLING
                || imsState == MtkPhoneConstants.IMS_STATE_ENABLING;
    }

    private boolean isWfcEnable(){
        boolean disable = false;
        ImsManager imsManager = ImsManager.getInstance(mContext,SubscriptionManager.getPhoneId(SubscriptionManager.getDefaultSubscriptionId()));
        if (null==imsManager){
            if (DEBUG) {
                Log.d(TAG, "isWfcEnable imsManager NUll");
            }
            return false;
        }
        disable = !imsManager.isWfcEnabledByPlatform() || !imsManager.isWfcProvisionedOnDevice();
        if (DEBUG) {
            Log.d(TAG, "isWfcEnable disable = " + disable);
        }
        return !disable;
    }
}

由于国内运营商不支持vowifi，需要国外严重，后续可能会有修改。