Settings: Update to follow new volume design.

- "Sound & Notification"  (not Notifications)
- Remove ringer-mode pref.
- Add zen-mode pref to renamed "Interruptions" screen.
- Implement two separate "Sound" & "Notification" sections.
- Remove "Showing notifications" screen, migrate settings.
- Remove custom category styling now that we have a platform style.
- Implement new "days" sleep mode and corresponding dialog pref.
- Corresponding changes to indexable resources.

Associated frameworks/base change:
  I35afe38646f04d2ba0dbac11c2c6356120a33694

Bug:15831713
Change-Id: I6ed56791784968adfbd684f490dbbebed285a2dd

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

@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2014 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.service.notification.ZenModeConfig;
+import android.util.SparseBooleanArray;
+import android.view.LayoutInflater;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.CompoundButton.OnCheckedChangeListener;
+import android.widget.LinearLayout;
+
+import com.android.settings.R;
+
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+
+public class ZenModeDowntimeDaysSelection extends LinearLayout {
+    private static final int[] DAYS = {
+        Calendar.MONDAY, Calendar.TUESDAY, Calendar.WEDNESDAY, Calendar.THURSDAY, Calendar.FRIDAY,
+        Calendar.SATURDAY, Calendar.SUNDAY
+    };
+    private static final SimpleDateFormat DAY_FORMAT = new SimpleDateFormat("EEEE");
+
+    private final SparseBooleanArray mDays = new SparseBooleanArray();
+
+    public ZenModeDowntimeDaysSelection(Context context, String mode) {
+        super(context);
+        final int[] days = ZenModeConfig.tryParseDays(mode);
+        if (days != null) {
+            for (int i = 0; i < days.length; i++) {
+                mDays.put(days[i], true);
+            }
+        }
+        setOrientation(VERTICAL);
+        final Calendar c = Calendar.getInstance();
+        final LayoutInflater inflater = LayoutInflater.from(context);
+        for (int i = 0; i < DAYS.length; i++) {
+            final int day = DAYS[i];
+            final CheckBox checkBox = (CheckBox) inflater.inflate(R.layout.zen_downtime_day,
+                    this, false);
+            c.set(Calendar.DAY_OF_WEEK, day);
+            checkBox.setText(DAY_FORMAT.format(c.getTime()));
+            checkBox.setChecked(mDays.get(day));
+            checkBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
+                @Override
+                public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                    mDays.put(day, isChecked);
+                    onChanged(getMode());
+                }
+            });
+            addView(checkBox);
+        }
+    }
+
+    private String getMode() {
+        final StringBuilder sb = new StringBuilder(ZenModeConfig.SLEEP_MODE_DAYS_PREFIX);
+        boolean empty = true;
+        for (int i = 0; i < mDays.size(); i++) {
+            final int day = mDays.keyAt(i);
+            if (!mDays.valueAt(i)) continue;
+            if (empty) {
+                empty = false;
+            } else {
+                sb.append(',');
+            }
+            sb.append(day);
+        }
+        return empty ? null : sb.toString();
+    }
+
+    protected void onChanged(String mode) {
+        // event hook for subclasses
+    }
+}