Update appearance of channel preferences

Test: atest
Change-Id: Ie58e7a27601ee23b1cd2caf990cc5c10006c0162
Fixes: 122671854

src/com/android/settings/notification/ChannelSummaryPreference.java

@@ -0,0 +1,115 @@
+/*
+ * 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.notification;
+
+import android.content.Context;
+import android.content.Intent;
+import android.view.View;
+import android.widget.CheckBox;
+
+import com.android.settings.R;
+import com.android.settingslib.TwoTargetPreference;
+
+import androidx.preference.PreferenceViewHolder;
+
+/**
+ * A custom preference that provides inline checkbox and tappable target.
+ */
+public class ChannelSummaryPreference extends TwoTargetPreference {
+
+    private Context mContext;
+    private Intent mIntent;
+    private CheckBox mCheckBox;
+    private boolean mChecked;
+    private boolean mEnableCheckBox = true;
+
+    public ChannelSummaryPreference(Context context) {
+        super(context);
+        setLayoutResource(R.layout.preference_checkable_two_target);
+        mContext = context;
+        setWidgetLayoutResource(R.layout.zen_rule_widget);
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder view) {
+        super.onBindViewHolder(view);
+        View settingsWidget = view.findViewById(android.R.id.widget_frame);
+        View divider = view.findViewById(R.id.two_target_divider);
+        if (mIntent != null) {
+            divider.setVisibility(View.VISIBLE);
+            settingsWidget.setVisibility(View.VISIBLE);
+            settingsWidget.setOnClickListener(v -> mContext.startActivity(mIntent));
+        } else {
+            divider.setVisibility(View.GONE);
+            settingsWidget.setVisibility(View.GONE);
+            settingsWidget.setOnClickListener(null);
+        }
+
+        View checkboxContainer = view.findViewById(R.id.checkbox_container);
+        if (checkboxContainer != null) {
+            checkboxContainer.setOnClickListener(mOnCheckBoxClickListener);
+        }
+        mCheckBox = (CheckBox) view.findViewById(com.android.internal.R.id.checkbox);
+        if (mCheckBox != null) {
+            mCheckBox.setChecked(mChecked);
+            mCheckBox.setEnabled(mEnableCheckBox);
+        }
+    }
+
+    public boolean isChecked() {
+        return mChecked;
+    }
+
+    @Override
+    public void setIntent(Intent intent) {
+        mIntent = intent;
+    }
+
+    @Override
+    public void onClick() {
+        mOnCheckBoxClickListener.onClick(null);
+    }
+
+    public void setChecked(boolean checked) {
+        mChecked = checked;
+        if (mCheckBox != null) {
+            mCheckBox.setChecked(checked);
+        }
+    }
+
+    public void setCheckBoxEnabled(boolean enabled) {
+        mEnableCheckBox = enabled;
+        if (mCheckBox != null) {
+            mCheckBox.setEnabled(enabled);
+        }
+    }
+
+    private View.OnClickListener mOnCheckBoxClickListener = new View.OnClickListener() {
+        @Override
+        public void onClick(View v) {
+            if (mCheckBox != null && !mCheckBox.isEnabled()) {
+                return;
+            }
+            setChecked(!mChecked);
+            if (!callChangeListener(mChecked)) {
+                setChecked(!mChecked);
+            } else {
+                persistBoolean(mChecked);
+            }
+        }
+    };
+}

src/com/android/settings/notification/NotificationSettingsBase.java

@@ -273,8 +273,7 @@ abstract public class NotificationSettingsBase extends DashboardFragment {
 
     protected Preference populateSingleChannelPrefs(PreferenceGroup parent,
             final NotificationChannel channel, final boolean groupBlocked) {
-        MasterCheckBoxPreference channelPref = new MasterCheckBoxPreference(
-                getPrefContext());
+        ChannelSummaryPreference channelPref = new ChannelSummaryPreference(getPrefContext());
         channelPref.setCheckBoxEnabled(mSuspendedAppsAdmin == null
                 && isChannelBlockable(channel)
                 && isChannelConfigurable(channel)