Use multiple actions to launch Wi-Fi DPP configurator with different mode.

Bug: 118797380
Bug: 118794858
Test: atest WifiDppConfiguratorActivityTest
      atest WifiDppQrCodeScannerFragmentTest
      atest atest RunSettingsRoboTests

Change-Id: I96aba3c5e3d57c89d6948d3bf3dd85f29f705778

src/com/android/settings/wifi/dpp/WifiNetworkConfig.java

@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2018 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.settings.wifi.dpp;
+
+import android.content.Intent;
+import android.text.TextUtils;
+
+/**
+ * Contains the Wi-Fi Network config parameters described in
+ * https://github.com/zxing/zxing/wiki/Barcode-Contents#wi-fi-network-config-android-ios-11
+ *
+ * Checks below members of {@code WifiDppUtils} for more information.
+ * EXTRA_WIFI_SECURITY / EXTRA_WIFI_SSID / EXTRA_WIFI_PRE_SHARED_KEY / EXTRA_WIFI_HIDDEN_SSID /
+ * EXTRA_QR_CODE
+ */
+public class WifiNetworkConfig {
+    private String mSecurity;
+    private String mSsid;
+    private String mPreSharedKey;
+    private boolean mHiddenSsid;
+
+    private WifiNetworkConfig(String security, String ssid, String preSharedKey,
+            boolean hiddenSsid) {
+        mSecurity = security;
+        mSsid = ssid;
+        mPreSharedKey = preSharedKey;
+        mHiddenSsid = hiddenSsid;
+    }
+
+    public WifiNetworkConfig(WifiNetworkConfig config) {
+        mSecurity = new String(config.mSecurity);
+        mSsid = new String(config.mSsid);
+        mPreSharedKey = new String(config.mPreSharedKey);
+        mHiddenSsid = config.mHiddenSsid;
+    }
+
+    /**
+     * Wi-Fi DPP activities should implement this interface for fragments to retrieve the
+     * WifiNetworkConfig for configuration
+     */
+    public interface Retriever {
+        public WifiNetworkConfig getWifiNetworkConfig();
+        public boolean setWifiNetworkConfig(WifiNetworkConfig config);
+    }
+
+    /**
+     * Retrieve WifiNetworkConfig from below 2 intents
+     *
+     * android.settings.WIFI_DPP_CONFIGURATOR_QR_CODE_GENERATOR
+     * android.settings.WIFI_DPP_CONFIGURATOR_QR_CODE_SCANNER
+     */
+    public static WifiNetworkConfig getValidConfigOrNull(Intent intent) {
+        String security = intent.getStringExtra(WifiDppUtils.EXTRA_WIFI_SECURITY);
+        String ssid = intent.getStringExtra(WifiDppUtils.EXTRA_WIFI_SSID);
+        String preSharedKey = intent.getStringExtra(WifiDppUtils.EXTRA_WIFI_PRE_SHARED_KEY);
+        boolean hiddenSsid = intent.getBooleanExtra(WifiDppUtils.EXTRA_WIFI_HIDDEN_SSID, false);
+
+        if (!isValidConfig(security, ssid, hiddenSsid)) {
+            return null;
+        }
+
+        if (ssid == null) {
+            ssid = "";
+        }
+
+        return new WifiNetworkConfig(security, ssid, preSharedKey, hiddenSsid);
+    }
+
+    public static boolean isValidConfig(WifiNetworkConfig config) {
+        if (config == null) {
+            return false;
+        } else {
+            return isValidConfig(config.mSecurity, config.mSsid, config.mHiddenSsid);
+        }
+    }
+
+    public static boolean isValidConfig(String security, String ssid, boolean hiddenSsid) {
+        if (TextUtils.isEmpty(security)) {
+            return false;
+        }
+
+        if (!hiddenSsid && TextUtils.isEmpty(ssid)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    public String getSecurity() {
+        return new String(mSecurity);
+    }
+
+    public String getSsid() {
+        return new String(mSsid);
+    }
+
+    public String getPreSharedKey() {
+        return new String(mPreSharedKey);
+    }
+
+    public boolean getHiddenSsid() {
+        return mHiddenSsid;
+    }
+}