Settings: ask telephony for network selection

When configuring profiles and selecting a network mode override, ask
Telephony to provide the UI for showing the proper network modes. After
the user has selected it, we receive the result, and save it in the
profile.

Ref: CYNGNOS-1463

Change-Id: I866ed1bc1c915ae00804b07dbbafa86e679a5fa7
Signed-off-by: Roman Birg <roman@cyngn.com>

1 files changed, 231 insertions, 0 deletions

diff --git a/src/com/android/settings/utils/TelephonyUtils.java b/src/com/android/settings/utils/TelephonyUtils.java
new file mode 100644
index 0000000..35aab79
--- /dev/null
+++ b/src/com/android/settings/utils/TelephonyUtils.java
@@ -0,0 +1,231 @@
+package com.android.settings.utils;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.content.res.Resources;
+import android.os.PersistableBundle;
+import android.telephony.CarrierConfigManager;
+import android.telephony.TelephonyManager;
+import android.text.TextUtils;
+import android.util.Log;
+
+import com.android.internal.telephony.PhoneConstants;
+import com.android.internal.telephony.RILConstants;
+
+/**
+ * Helper class which has the same logic as MobileNetworkSettings to display the same
+ * network modes and strings as it does.
+ */
+public class TelephonyUtils {
+
+    private static final String TAG = TelephonyUtils.class.getSimpleName();
+
+    // from MobileNetworkSettings
+    public static final String ACTION_PICK_NETWORK_MODE =
+            "cyanogenmod.platform.intent.action.NETWORK_MODE_PICKER";
+    public static final String EXTRA_NONE_TEXT = "network_mode_picker::neutral_text";
+    public static final String EXTRA_SHOW_NONE = "network_mode_picker::show_none";
+    public static final String EXTRA_INITIAL_NETWORK_VALUE = "network_mode_picker::selected_mode";
+    public static final String EXTRA_NETWORK_PICKER_PICKED_VALUE =
+            "network_mode_picker::chosen_value";
+    public static final String EXTRA_SUBID = "network_mode_picker::sub_id";
+
+    public static String getNetworkModeString(Context context, int networkMode, int subId) {
+        return getNetworkModeString(context,
+                networkMode,
+                TelephonyManager.from(context).getCurrentPhoneType(subId) /* phone type */,
+                show4GForLTE(context)/* show 4G for lte */,
+                isSupportTdscdma(context, subId)/* supports TDS CDMA*/,
+                isGlobalCDMA(context, subId, isLteOnCdma(context, subId))/* is Global cdma */,
+                isWorldMode(context)/* is worldwide */);
+    }
+
+    public static String getNetworkModeString(Context context, int networkMode,
+            int phoneType, boolean show4GForLTE, boolean isSupportTdsCdma, boolean isGlobalCdma,
+            boolean isWorldMode) {
+        String r = null;
+        switch (networkMode) {
+            case RILConstants.NETWORK_MODE_TDSCDMA_WCDMA:
+            case RILConstants.NETWORK_MODE_TDSCDMA_GSM_WCDMA:
+            case RILConstants.NETWORK_MODE_TDSCDMA_GSM:
+                r = "network_3G";
+                break;
+            case RILConstants.NETWORK_MODE_WCDMA_ONLY:
+                r = "network_wcdma_only";
+                break;
+            case RILConstants.NETWORK_MODE_GSM_UMTS:
+                r = "network_gsm_umts";
+                break;
+            case RILConstants.NETWORK_MODE_WCDMA_PREF:
+                r = "network_wcdma_pref";
+                break;
+            case RILConstants.NETWORK_MODE_GSM_ONLY:
+                r = "network_gsm_only";
+                break;
+            case RILConstants.NETWORK_MODE_LTE_GSM_WCDMA:
+                r = (show4GForLTE)
+                        ? "network_4G" : "network_lte_gsm_wcdma";
+                break;
+            case RILConstants.NETWORK_MODE_LTE_WCDMA:
+                r = (show4GForLTE)
+                        ? "network_4G" : "network_lte_cdma";
+                break;
+            case RILConstants.NETWORK_MODE_LTE_ONLY:
+                r = (show4GForLTE)
+                        ? "network_4G_only" : "network_lte_only";
+                break;
+            case RILConstants.NETWORK_MODE_LTE_CDMA_EVDO:
+                r = (show4GForLTE)
+                        ? "network_4G" : "network_lte_cdma_and_evdo";
+                break;
+            case RILConstants.NETWORK_MODE_TDSCDMA_CDMA_EVDO_GSM_WCDMA:
+                r = "network_3G";
+                break;
+            case RILConstants.NETWORK_MODE_CDMA:
+                r = "network_cdma";
+                break;
+            case RILConstants.NETWORK_MODE_EVDO_NO_CDMA:
+                r = "network_evdo_no_cdma";
+                break;
+            case RILConstants.NETWORK_MODE_GLOBAL:
+                r = "network_3g_global";
+                break;
+            case RILConstants.NETWORK_MODE_CDMA_NO_EVDO:
+                r = "network_cdma_no_evdo";
+                break;
+            case RILConstants.NETWORK_MODE_TDSCDMA_ONLY:
+                r = "network_tdscdma";
+                break;
+            case RILConstants.NETWORK_MODE_LTE_TDSCDMA_GSM:
+            case RILConstants.NETWORK_MODE_LTE_TDSCDMA_GSM_WCDMA:
+            case RILConstants.NETWORK_MODE_LTE_TDSCDMA:
+            case RILConstants.NETWORK_MODE_LTE_TDSCDMA_WCDMA:
+            case RILConstants.NETWORK_MODE_LTE_TDSCDMA_CDMA_EVDO_GSM_WCDMA:
+            case RILConstants.NETWORK_MODE_LTE_CDMA_EVDO_GSM_WCDMA:
+                if (isSupportTdsCdma) {
+                    r = "network_lte";
+                } else {
+                    if (phoneType == RILConstants.CDMA_PHONE || isGlobalCdma || isWorldMode) {
+                        r = "network_global";
+                    } else {
+                        r = (show4GForLTE)
+                                ? "network_4G" : "network_lte";
+                    }
+                }
+                break;
+            default:
+                Log.w(TAG, "unknown phone mode: " + networkMode);
+        }
+
+        if (r != null) {
+            // grab the phone resources
+            final Resources phoneResources = getPhoneResources(context);
+            if (phoneResources != null) {
+                int id = phoneResources.getIdentifier(r, "string", "com.android.phone");
+                if (id > 0) {
+                    return phoneResources.getString(id);
+                } else {
+                    Log.w(TAG, "couldn't find resource id with name: " + r);
+                }
+            }
+        }
+        return null;
+    }
+
+    private static boolean isSupportTdscdma(Context context, int subId) {
+        final Resources phoneResources = getPhoneResources(context);
+        if (phoneResources != null) {
+            int id = phoneResources.getIdentifier("config_support_tdscdma",
+                    "bool", "com.android.phone");
+            if (phoneResources.getBoolean(id)) {
+                return true;
+            }
+
+            final String operatorNumeric = TelephonyManager.from(context)
+                    .getSimOperatorNumericForSubscription(subId);
+
+            int tdcdmaArrId = phoneResources.getIdentifier("config_support_tdscdma_roaming_on_networks",
+                    "string-array", "com.android.phone");
+
+            if (tdcdmaArrId > 0) {
+                String[] numericArray = phoneResources.getStringArray(tdcdmaArrId);
+                if (numericArray.length == 0 || operatorNumeric == null) {
+                    return false;
+                }
+                for (String numeric : numericArray) {
+                    if (operatorNumeric.equals(numeric)) {
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+
+    private static boolean show4GForLTE(Context context) {
+        try {
+            Context con = context.createPackageContext("com.android.systemui", 0);
+            int id = con.getResources().getIdentifier("config_show4GForLTE",
+                    "bool", "com.android.systemui");
+            return con.getResources().getBoolean(id);
+        } catch (PackageManager.NameNotFoundException e) {
+            return false;
+        }
+    }
+
+    private static boolean isGlobalCDMA(Context context, int subId, boolean isLteOnCdma) {
+        final CarrierConfigManager carrierConfigMan = (CarrierConfigManager)
+                context.getSystemService(Context.CARRIER_CONFIG_SERVICE);
+        final PersistableBundle carrierConfig = carrierConfigMan.getConfigForSubId(subId);
+        return isLteOnCdma
+                && carrierConfig.getBoolean(CarrierConfigManager.KEY_SHOW_CDMA_CHOICES_BOOL);
+    }
+
+    private static boolean isLteOnCdma(Context context, int subId) {
+        return TelephonyManager.from(context).getLteOnCdmaMode(subId)
+                == PhoneConstants.LTE_ON_CDMA_TRUE;
+    }
+
+    private static boolean isWorldMode(Context context) {
+        boolean worldModeOn = false;
+        final TelephonyManager tm = (TelephonyManager)
+                context.getSystemService(Context.TELEPHONY_SERVICE);
+
+        Resources phoneResources = getPhoneResources(context);
+        if (phoneResources != null) {
+            int id = phoneResources.getIdentifier("config_world_mode",
+                    "string", "com.android.phone");
+
+            if (id > 0) {
+                final String configString = phoneResources.getString(id);
+
+                if (!TextUtils.isEmpty(configString)) {
+                    String[] configArray = configString.split(";");
+                    // Check if we have World mode configuration set to True only or config is set to True
+                    // and SIM GID value is also set and matches to the current SIM GID.
+                    if (configArray != null &&
+                            ((configArray.length == 1 && configArray[0].equalsIgnoreCase("true")) ||
+                                    (configArray.length == 2 && !TextUtils.isEmpty(configArray[1]) &&
+                                            tm != null && configArray[1].equalsIgnoreCase(tm.getGroupIdLevel1())))) {
+                        worldModeOn = true;
+                    }
+                }
+            } else {
+                Log.w(TAG, "couldn't find resource of config_world_mode");
+            }
+        }
+
+        return worldModeOn;
+    }
+
+    private static Resources getPhoneResources(Context context) {
+        try {
+            final Context packageContext = context.createPackageContext("com.android.phone", 0);
+            return packageContext.getResources();
+        } catch (PackageManager.NameNotFoundException e) {
+            e.printStackTrace();
+        }
+        Log.w(TAG, "couldn't locate resources for com.android.phone!");
+        return null;
+    }
+}