Implement new "Open by default" page

- Use the new MainSwitch and TopIntro widgets.
- Create VerifiedLinksPreference and LeftSideCheckBoxPreference.
- Create ProgressDialogFragment and SupportedLinksDialogFragment.
- Retrieve the links info from DomainVerificationManager.
- Allow user to change the supported links into selected links.
- Refactor the ClearDefaultsPreference.
- Move AppLaunchSettings into intentpicker directory.

Bug: 177923646
Bug: 182530528
Test: manual test
Change-Id: I935a2fdd0f62cdb8b8d3210fb2f800f682249cb7

src/com/android/settings/applications/intentpicker/VerifiedLinksPreference.java

@@ -0,0 +1,95 @@
+/*
+ * 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.applications.intentpicker;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.CheckBox;
+
+import androidx.preference.PreferenceViewHolder;
+
+import com.android.settings.R;
+import com.android.settingslib.widget.TwoTargetPreference;
+
+/** This customized VerifiedLinksPreference was belonged to Open by default page */
+public class VerifiedLinksPreference extends TwoTargetPreference {
+    private Context mContext;
+    private View.OnClickListener mOnWidgetClickListener;
+    private boolean mShowCheckBox;
+
+    public VerifiedLinksPreference(Context context, AttributeSet attrs,
+            int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+        init(context);
+    }
+
+    public VerifiedLinksPreference(Context context, AttributeSet attrs, int defStyleAttr) {
+        this(context, attrs, defStyleAttr, /* defStyleRes= */0);
+    }
+
+    public VerifiedLinksPreference(Context context, AttributeSet attrs) {
+        this(context, attrs, /* defStyleAttr= */ 0);
+    }
+
+    public VerifiedLinksPreference(Context context) {
+        this(context, /* attrs= */ null);
+    }
+
+    private void init(Context context) {
+        mContext = context;
+        mOnWidgetClickListener = null;
+        mShowCheckBox = true;
+        setLayoutResource(R.layout.preference_checkable_two_target);
+        setWidgetLayoutResource(R.layout.verified_links_widget);
+    }
+
+    /**
+     * Register a callback to be invoked when this widget is clicked.
+     *
+     * @param listener The callback that will run.
+     */
+    public void setWidgetFrameClickListener(View.OnClickListener listener) {
+        mOnWidgetClickListener = listener;
+    }
+
+    /** Determine the visibility of the {@link CheckBox}. */
+    public void setCheckBoxVisible(boolean isVisible) {
+        mShowCheckBox = isVisible;
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder view) {
+        super.onBindViewHolder(view);
+        final View settingsWidget = view.findViewById(android.R.id.widget_frame);
+        final View divider = view.findViewById(R.id.two_target_divider);
+        divider.setVisibility(View.VISIBLE);
+        settingsWidget.setVisibility(View.VISIBLE);
+        if (mOnWidgetClickListener != null) {
+            settingsWidget.setOnClickListener(mOnWidgetClickListener);
+        }
+        final View checkboxContainer = view.findViewById(R.id.checkbox_container);
+        final View parentView = (View) checkboxContainer.getParent();
+        parentView.setEnabled(false);
+        parentView.setClickable(false);
+        CheckBox checkBox = (CheckBox) view.findViewById(com.android.internal.R.id.checkbox);
+        if (checkBox != null) {
+            checkBox.setChecked(true);
+            checkBox.setVisibility(mShowCheckBox ? View.VISIBLE : View.INVISIBLE);
+        }
+    }
+}