Merge "Connect VPN warning help icon with the network & internet page." into sc-dev

src/com/android/settings/vpn2/VpnInfoPreference.java

@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2021 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.vpn2;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.text.TextUtils;
+import android.util.AttributeSet;
+import android.view.View;
+
+import androidx.preference.PreferenceViewHolder;
+
+import com.android.settings.R;
+import com.android.settingslib.HelpUtils;
+import com.android.settingslib.RestrictedPreference;
+
+
+/**
+ * A preference with an Info icon on the side
+ */
+public class VpnInfoPreference extends RestrictedPreference implements View.OnClickListener {
+
+    private boolean mIsInsecureVpn = false;
+    private String mHelpUrl;
+
+    public VpnInfoPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        mHelpUrl = context.getString(R.string.help_url_insecure_vpn);
+    }
+
+    @Override
+    protected int getSecondTargetResId() {
+        // Note: in the future, we will probably want to provide a configuration option
+        // for this info to not be the warning color.
+        return R.layout.preference_widget_warning;
+    }
+
+    @Override
+    protected boolean shouldHideSecondTarget() {
+        return false;
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder holder) {
+        super.onBindViewHolder(holder);
+        final View icon = holder.findViewById(R.id.warning_button);
+        if (mIsInsecureVpn && !TextUtils.isEmpty(mHelpUrl)) {
+            icon.setVisibility(View.VISIBLE);
+            icon.setOnClickListener(this);
+            icon.setEnabled(true);
+        } else {
+            icon.setVisibility(View.GONE);
+            icon.setOnClickListener(this);
+            icon.setEnabled(false);
+        }
+
+        // Hide the divider from view
+        final View divider = holder.findViewById(R.id.two_target_divider);
+        divider.setVisibility(View.GONE);
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (v.getId() == R.id.warning_button) {
+            final Intent intent = HelpUtils.getHelpIntent(
+                    getContext(), mHelpUrl, this.getClass().getName());
+
+            if (intent != null) {
+                ((Activity) getContext()).startActivityForResult(intent, 0);
+            }
+        }
+    }
+
+    /**
+     * Sets whether this preference corresponds to an insecure VPN. This will also affect whether
+     * the warning icon appears to the user.
+     */
+    public void setInsecureVpn(boolean isInsecureVpn) {
+        if (mIsInsecureVpn != isInsecureVpn) {
+            mIsInsecureVpn = isInsecureVpn;
+            notifyChanged();
+        }
+    }
+}