[Wi-Fi] Branch WifiDialog files for WifiTracker2 development

Add these files:

  WifiConfigController2.java
  WifiConfigUiBase2.java
  WifiDialog2.java

  WifiConfigController2Test.java
  WifiDialog2Test.java

Bug: 146407136
Test: compile
Change-Id: I0689ae8ddee4f35e3bc104fd0b2e94eb8f689630

src/com/android/settings/wifi/WifiDialog2.java

@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) 2019 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;
+
+import android.annotation.StyleRes;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageButton;
+import android.widget.TextView;
+
+import androidx.appcompat.app.AlertDialog;
+
+import com.android.settings.R;
+import com.android.settingslib.RestrictedLockUtils;
+import com.android.settingslib.RestrictedLockUtilsInternal;
+import com.android.settingslib.wifi.AccessPoint;
+
+/**
+ * Dialog for users to edit a Wi-Fi network.
+ */
+public class WifiDialog2 extends AlertDialog implements WifiConfigUiBase2,
+        DialogInterface.OnClickListener {
+
+    /**
+     * Host UI component of WifiDialog2 can receive callbacks by this interface.
+     */
+    public interface WifiDialog2Listener {
+        /**
+         * To forget the Wi-Fi network.
+         */
+        default void onForget(WifiDialog2 dialog) {
+        }
+
+        /**
+         * To save the Wi-Fi network.
+         */
+        default void onSubmit(WifiDialog2 dialog) {
+        }
+
+        /**
+         * To trigger Wi-Fi QR code scanner.
+         */
+        default void onScan(WifiDialog2 dialog, String ssid) {
+        }
+    }
+
+    private static final int BUTTON_SUBMIT = DialogInterface.BUTTON_POSITIVE;
+    private static final int BUTTON_FORGET = DialogInterface.BUTTON_NEUTRAL;
+
+    private final int mMode;
+    private final WifiDialog2Listener mListener;
+    private final AccessPoint mAccessPoint;
+
+    private View mView;
+    private WifiConfigController2 mController;
+    private boolean mHideSubmitButton;
+
+    /**
+     * Creates a WifiDialog2 with no additional style. It displays as a dialog above the current
+     * view.
+     */
+    public static WifiDialog2 createModal(Context context, WifiDialog2Listener listener,
+            AccessPoint accessPoint, int mode) {
+        return new WifiDialog2(context, listener, accessPoint, mode, 0 /* style */,
+                mode == WifiConfigUiBase2.MODE_VIEW /* hideSubmitButton */);
+    }
+
+    /**
+     * Creates a WifiDialog2 with customized style. It displays as a dialog above the current
+     * view.
+     */
+    public static WifiDialog2 createModal(Context context, WifiDialog2Listener listener,
+            AccessPoint accessPoint, int mode, @StyleRes int style) {
+        return new WifiDialog2(context, listener, accessPoint, mode, style,
+                mode == WifiConfigUiBase2.MODE_VIEW /* hideSubmitButton */);
+    }
+
+    /* package */ WifiDialog2(Context context, WifiDialog2Listener listener,
+                AccessPoint accessPoint, int mode, @StyleRes int style, boolean hideSubmitButton) {
+        super(context, style);
+        mMode = mode;
+        mListener = listener;
+        mAccessPoint = accessPoint;
+        mHideSubmitButton = hideSubmitButton;
+    }
+
+    @Override
+    public WifiConfigController2 getController() {
+        return mController;
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        mView = getLayoutInflater().inflate(R.layout.wifi_dialog, /* root */ null);
+        setView(mView);
+        mController = new WifiConfigController2(this, mView, mAccessPoint, mMode);
+        super.onCreate(savedInstanceState);
+
+        if (mHideSubmitButton) {
+            mController.hideSubmitButton();
+        } else {
+            /* During creation, the submit button can be unavailable to determine
+             * visibility. Right after creation, update button visibility */
+            mController.enableSubmitIfAppropriate();
+        }
+
+        if (mAccessPoint == null) {
+            mController.hideForgetButton();
+        }
+    }
+
+    @Override
+    protected void onStart() {
+        final ImageButton ssidScannerButton = findViewById(R.id.ssid_scanner_button);
+        if (mHideSubmitButton) {
+            ssidScannerButton.setVisibility(View.GONE);
+            return;
+        }
+
+        View.OnClickListener onClickScannerButtonListener = v -> {
+            if (mListener == null) {
+                return;
+            }
+
+            final TextView ssidEditText = findViewById(R.id.ssid);
+            final String ssid = ssidEditText.getText().toString();
+            mListener.onScan(/* WifiDialog2 */ this, ssid);
+        };
+        ssidScannerButton.setOnClickListener(onClickScannerButtonListener);
+    }
+
+    @Override
+    public void onRestoreInstanceState(Bundle savedInstanceState) {
+        super.onRestoreInstanceState(savedInstanceState);
+        mController.updatePassword();
+    }
+
+    @Override
+    public void dispatchSubmit() {
+        if (mListener != null) {
+            mListener.onSubmit(this);
+        }
+        dismiss();
+    }
+
+    @Override
+    public void onClick(DialogInterface dialogInterface, int id) {
+        if (mListener != null) {
+            switch (id) {
+                case BUTTON_SUBMIT:
+                    mListener.onSubmit(this);
+                    break;
+                case BUTTON_FORGET:
+                    if (WifiUtils.isNetworkLockedDown(getContext(), mAccessPoint.getConfig())) {
+                        RestrictedLockUtils.sendShowAdminSupportDetailsIntent(getContext(),
+                                RestrictedLockUtilsInternal.getDeviceOwner(getContext()));
+                        return;
+                    }
+                    mListener.onForget(this);
+                    break;
+            }
+        }
+    }
+
+    @Override
+    public int getMode() {
+        return mMode;
+    }
+
+    @Override
+    public Button getSubmitButton() {
+        return getButton(BUTTON_SUBMIT);
+    }
+
+    @Override
+    public Button getForgetButton() {
+        return getButton(BUTTON_FORGET);
+    }
+
+    @Override
+    public Button getCancelButton() {
+        return getButton(BUTTON_NEGATIVE);
+    }
+
+    @Override
+    public void setSubmitButton(CharSequence text) {
+        setButton(BUTTON_SUBMIT, text, this);
+    }
+
+    @Override
+    public void setForgetButton(CharSequence text) {
+        setButton(BUTTON_FORGET, text, this);
+    }
+
+    @Override
+    public void setCancelButton(CharSequence text) {
+        setButton(BUTTON_NEGATIVE, text, this);
+    }
+}