Add Wifi Setup screen for Setup Wizard with XL size screen.

* Add WifiSettingsForSetupWizardXL as a new Activity
The activity has WifiSettings fragment in it. It also contains
several buttons, texts around the fragment.

* Making configuration UI part of Preference list.
In Wifi Setup for Setup Wizard XL, WifiSettings fragment lets
a UI for configuring access points shown inside a
PregerenceCategory object, while it has been shown as Dialog.

To achieve this action, WifiDialog is decomposed into two parts:
- WifiConfigUiBase (Mainly UI part)
- WifiConfigController (Mainly Wifi controller part)

All codes for wifi configuration in WifiDialog is now in
WifiConfigController, which is reused from
WifiConfigPreference.

* Misc stuff
- Remove AccessPoint#compareTo(). Instead,
  AccessPoint.AccessPointComparater should be used when needed.

Change-Id: I520d690d3301837d32f91dad54a973a379ce1989

1 files changed, 32 insertions, 307 deletions

diff --git a/src/com/android/settings/wifi/WifiDialog.java b/src/com/android/settings/wifi/WifiDialog.java
index a8bf717..e8ab2a0 100644
--- a/src/com/android/settings/wifi/WifiDialog.java
+++ b/src/com/android/settings/wifi/WifiDialog.java
@@ -16,154 +16,37 @@
 
 package com.android.settings.wifi;
 
-import com.android.settings.R;
-
 import android.app.AlertDialog;
 import android.content.Context;
 import android.content.DialogInterface;
-import android.content.res.Resources;
-import android.net.NetworkInfo.DetailedState;
-import android.net.wifi.WifiConfiguration;
-import android.net.wifi.WifiConfiguration.AuthAlgorithm;
-import android.net.wifi.WifiConfiguration.KeyMgmt;
-import android.net.wifi.WifiInfo;
 import android.os.Bundle;
-import android.security.Credentials;
-import android.security.KeyStore;
-import android.text.Editable;
-import android.text.InputType;
-import android.text.TextWatcher;
-import android.text.format.Formatter;
 import android.view.View;
-import android.view.ViewGroup;
-import android.widget.AdapterView;
-import android.widget.ArrayAdapter;
-import android.widget.CheckBox;
-import android.widget.Spinner;
-import android.widget.TextView;
+import android.widget.Button;
 
-class WifiDialog extends AlertDialog implements View.OnClickListener,
-        TextWatcher, AdapterView.OnItemSelectedListener {
-    private static final String KEYSTORE_SPACE = "keystore://";
+import com.android.settings.R;
 
+class WifiDialog extends AlertDialog implements WifiConfigUiBase {
     static final int BUTTON_SUBMIT = DialogInterface.BUTTON_POSITIVE;
     static final int BUTTON_FORGET = DialogInterface.BUTTON_NEUTRAL;
 
-    final boolean edit;
+    private final boolean mEdit;
     private final DialogInterface.OnClickListener mListener;
     private final AccessPoint mAccessPoint;
 
     private View mView;
-    private TextView mSsid;
-    private int mSecurity;
-    private TextView mPassword;
-
-    private Spinner mEapMethod;
-    private Spinner mEapCaCert;
-    private Spinner mPhase2;
-    private Spinner mEapUserCert;
-    private TextView mEapIdentity;
-    private TextView mEapAnonymous;
+    private WifiConfigController mController;
 
-    static boolean requireKeyStore(WifiConfiguration config) {
-        String values[] = {config.ca_cert.value(), config.client_cert.value(),
-                config.private_key.value()};
-        for (String value : values) {
-            if (value != null && value.startsWith(KEYSTORE_SPACE)) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    WifiDialog(Context context, DialogInterface.OnClickListener listener,
+    public WifiDialog(Context context, DialogInterface.OnClickListener listener,
             AccessPoint accessPoint, boolean edit) {
         super(context);
-        this.edit = edit;
+        mEdit = edit;
         mListener = listener;
         mAccessPoint = accessPoint;
-        mSecurity = (accessPoint == null) ? AccessPoint.SECURITY_NONE : accessPoint.security;
     }
 
-    WifiConfiguration getConfig() {
-        if (mAccessPoint != null && mAccessPoint.networkId != -1 && !edit) {
-            return null;
-        }
-
-        WifiConfiguration config = new WifiConfiguration();
-
-        if (mAccessPoint == null) {
-            config.SSID = AccessPoint.convertToQuotedString(
-                    mSsid.getText().toString());
-            // If the user adds a network manually, assume that it is hidden.
-            config.hiddenSSID = true;
-        } else if (mAccessPoint.networkId == -1) {
-            config.SSID = AccessPoint.convertToQuotedString(
-                    mAccessPoint.ssid);
-        } else {
-            config.networkId = mAccessPoint.networkId;
-        }
-
-        switch (mSecurity) {
-            case AccessPoint.SECURITY_NONE:
-                config.allowedKeyManagement.set(KeyMgmt.NONE);
-                return config;
-
-            case AccessPoint.SECURITY_WEP:
-                config.allowedKeyManagement.set(KeyMgmt.NONE);
-                config.allowedAuthAlgorithms.set(AuthAlgorithm.OPEN);
-                config.allowedAuthAlgorithms.set(AuthAlgorithm.SHARED);
-                if (mPassword.length() != 0) {
-                    int length = mPassword.length();
-                    String password = mPassword.getText().toString();
-                    // WEP-40, WEP-104, and 256-bit WEP (WEP-232?)
-                    if ((length == 10 || length == 26 || length == 58) &&
-                            password.matches("[0-9A-Fa-f]*")) {
-                        config.wepKeys[0] = password;
-                    } else {
-                        config.wepKeys[0] = '"' + password + '"';
-                    }
-                }
-                return config;
-
-            case AccessPoint.SECURITY_PSK:
-                config.allowedKeyManagement.set(KeyMgmt.WPA_PSK);
-                if (mPassword.length() != 0) {
-                    String password = mPassword.getText().toString();
-                    if (password.matches("[0-9A-Fa-f]{64}")) {
-                        config.preSharedKey = password;
-                    } else {
-                        config.preSharedKey = '"' + password + '"';
-                    }
-                }
-                return config;
-
-            case AccessPoint.SECURITY_EAP:
-                config.allowedKeyManagement.set(KeyMgmt.WPA_EAP);
-                config.allowedKeyManagement.set(KeyMgmt.IEEE8021X);
-                config.eap.setValue((String) mEapMethod.getSelectedItem());
-
-                config.phase2.setValue((mPhase2.getSelectedItemPosition() == 0) ? "" :
-                        "auth=" + mPhase2.getSelectedItem());
-                config.ca_cert.setValue((mEapCaCert.getSelectedItemPosition() == 0) ? "" :
-                        KEYSTORE_SPACE + Credentials.CA_CERTIFICATE +
-                        (String) mEapCaCert.getSelectedItem());
-                config.client_cert.setValue((mEapUserCert.getSelectedItemPosition() == 0) ? "" :
-                        KEYSTORE_SPACE + Credentials.USER_CERTIFICATE +
-                        (String) mEapUserCert.getSelectedItem());
-                config.private_key.setValue((mEapUserCert.getSelectedItemPosition() == 0) ? "" :
-                        KEYSTORE_SPACE + Credentials.USER_PRIVATE_KEY +
-                        (String) mEapUserCert.getSelectedItem());
-                config.identity.setValue((mEapIdentity.length() == 0) ? "" :
-                        mEapIdentity.getText().toString());
-                config.anonymous_identity.setValue((mEapAnonymous.length() == 0) ? "" :
-                        mEapAnonymous.getText().toString());
-                if (mPassword.length() != 0) {
-                    config.password.setValue(mPassword.getText().toString());
-                }
-                return config;
-        }
-        return null;
+    @Override
+    public WifiConfigController getController() {
+        return mController;
     }
 
     @Override
@@ -171,200 +54,42 @@ class WifiDialog extends AlertDialog implements View.OnClickListener,
         mView = getLayoutInflater().inflate(R.layout.wifi_dialog, null);
         setView(mView);
         setInverseBackgroundForced(true);
-
-        Context context = getContext();
-        Resources resources = context.getResources();
-
-        if (mAccessPoint == null) {
-            setTitle(R.string.wifi_add_network);
-            mView.findViewById(R.id.type).setVisibility(View.VISIBLE);
-            mSsid = (TextView) mView.findViewById(R.id.ssid);
-            mSsid.addTextChangedListener(this);
-            ((Spinner) mView.findViewById(R.id.security)).setOnItemSelectedListener(this);
-            setButton(BUTTON_SUBMIT, context.getString(R.string.wifi_save), mListener);
-        } else {
-            setTitle(mAccessPoint.ssid);
-            ViewGroup group = (ViewGroup) mView.findViewById(R.id.info);
-
-            DetailedState state = mAccessPoint.getState();
-            if (state != null) {
-                addRow(group, R.string.wifi_status, Summary.get(getContext(), state));
-            }
-
-            String[] type = resources.getStringArray(R.array.wifi_security);
-            addRow(group, R.string.wifi_security, type[mAccessPoint.security]);
-
-            int level = mAccessPoint.getLevel();
-            if (level != -1) {
-                String[] signal = resources.getStringArray(R.array.wifi_signal);
-                addRow(group, R.string.wifi_signal, signal[level]);
-            }
-
-            WifiInfo info = mAccessPoint.getInfo();
-            if (info != null) {
-                addRow(group, R.string.wifi_speed, info.getLinkSpeed() + WifiInfo.LINK_SPEED_UNITS);
-                // TODO: fix the ip address for IPv6.
-                int address = info.getIpAddress();
-                if (address != 0) {
-                    addRow(group, R.string.wifi_ip_address, Formatter.formatIpAddress(address));
-                }
-            }
-
-            if (mAccessPoint.networkId == -1 || edit) {
-                showSecurityFields();
-            }
-
-            if (edit) {
-                setButton(BUTTON_SUBMIT, context.getString(R.string.wifi_save), mListener);
-            } else {
-                if (state == null && level != -1) {
-                    setButton(BUTTON_SUBMIT, context.getString(R.string.wifi_connect), mListener);
-                }
-                if (mAccessPoint.networkId != -1) {
-                    setButton(BUTTON_FORGET, context.getString(R.string.wifi_forget), mListener);
-                }
-            }
-        }
-
-        setButton(DialogInterface.BUTTON_NEGATIVE,
-                context.getString(R.string.wifi_cancel), mListener);
-
+        mController = new WifiConfigController(this, mView, mAccessPoint, mEdit, mListener);
         super.onCreate(savedInstanceState);
-
-        if (getButton(BUTTON_SUBMIT) != null) {
-            validate();
-        }
     }
 
-    private void addRow(ViewGroup group, int name, String value) {
-        View row = getLayoutInflater().inflate(R.layout.wifi_dialog_row, group, false);
-        ((TextView) row.findViewById(R.id.name)).setText(name);
-        ((TextView) row.findViewById(R.id.value)).setText(value);
-        group.addView(row);
-    }
-
-    private void validate() {
-        // TODO: make sure this is complete.
-        if ((mSsid != null && mSsid.length() == 0) ||
-                ((mAccessPoint == null || mAccessPoint.networkId == -1) &&
-                ((mSecurity == AccessPoint.SECURITY_WEP && mPassword.length() == 0) ||
-                (mSecurity == AccessPoint.SECURITY_PSK && mPassword.length() < 8)))) {
-            getButton(BUTTON_SUBMIT).setEnabled(false);
-        } else {
-            getButton(BUTTON_SUBMIT).setEnabled(true);
-        }
-    }
-
-    public void onClick(View view) {
-        mPassword.setInputType(
-                InputType.TYPE_CLASS_TEXT | (((CheckBox) view).isChecked() ?
-                InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD :
-                InputType.TYPE_TEXT_VARIATION_PASSWORD));
-    }
-
-    public void onTextChanged(CharSequence s, int start, int before, int count) {
-    }
-
-    public void beforeTextChanged(CharSequence s, int start, int count, int after) {
-    }
-    
-    public void afterTextChanged(Editable editable) {
-        validate();
+    @Override
+    public boolean isEdit() {
+        return mEdit;
     }
 
-    public void onItemSelected(AdapterView parent, View view, int position, long id) {
-        mSecurity = position;
-        showSecurityFields();
-        validate();
+    @Override
+    public Button getSubmitButton() {
+        return getButton(BUTTON_SUBMIT);
     }
 
-    public void onNothingSelected(AdapterView parent) {
+    @Override
+    public Button getForgetButton() {
+        return getButton(BUTTON_FORGET);
     }
 
-    private void showSecurityFields() {
-        if (mSecurity == AccessPoint.SECURITY_NONE) {
-            mView.findViewById(R.id.fields).setVisibility(View.GONE);
-            return;
-        }
-        mView.findViewById(R.id.fields).setVisibility(View.VISIBLE);
-
-        if (mPassword == null) {
-            mPassword = (TextView) mView.findViewById(R.id.password);
-            mPassword.addTextChangedListener(this);
-            ((CheckBox) mView.findViewById(R.id.show_password)).setOnClickListener(this);
-
-            if (mAccessPoint != null && mAccessPoint.networkId != -1) {
-                mPassword.setHint(R.string.wifi_unchanged);
-            }
-        }
-
-        if (mSecurity != AccessPoint.SECURITY_EAP) {
-            mView.findViewById(R.id.eap).setVisibility(View.GONE);
-            return;
-        }
-        mView.findViewById(R.id.eap).setVisibility(View.VISIBLE);
-
-        if (mEapMethod == null) {
-            mEapMethod = (Spinner) mView.findViewById(R.id.method);
-            mPhase2 = (Spinner) mView.findViewById(R.id.phase2);
-            mEapCaCert = (Spinner) mView.findViewById(R.id.ca_cert);
-            mEapUserCert = (Spinner) mView.findViewById(R.id.user_cert);
-            mEapIdentity = (TextView) mView.findViewById(R.id.identity);
-            mEapAnonymous = (TextView) mView.findViewById(R.id.anonymous);
-
-            loadCertificates(mEapCaCert, Credentials.CA_CERTIFICATE);
-            loadCertificates(mEapUserCert, Credentials.USER_PRIVATE_KEY);
-
-            if (mAccessPoint != null && mAccessPoint.networkId != -1) {
-                WifiConfiguration config = mAccessPoint.getConfig();
-                setSelection(mEapMethod, config.eap.value());
-                setSelection(mPhase2, config.phase2.value());
-                setCertificate(mEapCaCert, Credentials.CA_CERTIFICATE,
-                        config.ca_cert.value());
-                setCertificate(mEapUserCert, Credentials.USER_PRIVATE_KEY,
-                        config.private_key.value());
-                mEapIdentity.setText(config.identity.value());
-                mEapAnonymous.setText(config.anonymous_identity.value());
-            }
-        }
+    @Override
+    public Button getCancelButton() {
+        return getButton(BUTTON_NEGATIVE);
     }
 
-    private void loadCertificates(Spinner spinner, String prefix) {
-        String[] certs = KeyStore.getInstance().saw(prefix);
-        Context context = getContext();
-        String unspecified = context.getString(R.string.wifi_unspecified);
-
-        if (certs == null || certs.length == 0) {
-            certs = new String[] {unspecified};
-        } else {
-            String[] array = new String[certs.length + 1];
-            array[0] = unspecified;
-            System.arraycopy(certs, 0, array, 1, certs.length);
-            certs = array;
-        }
-
-        ArrayAdapter<String> adapter = new ArrayAdapter<String>(
-                context, android.R.layout.simple_spinner_item, certs);
-        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
-        spinner.setAdapter(adapter);
+    @Override
+    public void setSubmitButton(CharSequence text) {
+        setButton(BUTTON_SUBMIT, text, mListener);
     }
 
-    private void setCertificate(Spinner spinner, String prefix, String cert) {
-        prefix = KEYSTORE_SPACE + prefix;
-        if (cert != null && cert.startsWith(prefix)) {
-            setSelection(spinner, cert.substring(prefix.length()));
-        }
+    @Override
+    public void setForgetButton(CharSequence text) {
+        setButton(BUTTON_FORGET, text, mListener);
     }
 
-    private void setSelection(Spinner spinner, String value) {
-        if (value != null) {
-            ArrayAdapter<String> adapter = (ArrayAdapter<String>) spinner.getAdapter();
-            for (int i = adapter.getCount() - 1; i >= 0; --i) {
-                if (value.equals(adapter.getItem(i))) {
-                    spinner.setSelection(i);
-                    break;
-                }
-            }
-        }
+    @Override
+    public void setCancelButton(CharSequence text) {
+        setButton(BUTTON_NEGATIVE, text, mListener);
     }
 }