Refactor Date & Time Settings

- Rid off AbstractPreferenceController

Test: robotest
Bug: 235445309
Change-Id: I61118a0ff580231973509c06e84e7088dba897f5

src/com/android/settings/datetime/TimePreferenceController.java

@@ -16,7 +16,11 @@
 
 package com.android.settings.datetime;
 
+import static android.app.time.Capabilities.CAPABILITY_POSSESSED;
+
 import android.app.TimePickerDialog;
+import android.app.time.TimeCapabilities;
+import android.app.time.TimeManager;
 import android.app.timedetector.ManualTimeSuggestion;
 import android.app.timedetector.TimeDetector;
 import android.content.Context;
@@ -27,14 +31,12 @@ import android.widget.TimePicker;
 
 import androidx.preference.Preference;
 
-import com.android.settings.core.PreferenceControllerMixin;
-import com.android.settingslib.RestrictedPreference;
-import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settings.core.BasePreferenceController;
 
 import java.util.Calendar;
 
-public class TimePreferenceController extends AbstractPreferenceController
-        implements PreferenceControllerMixin, TimePickerDialog.OnTimeSetListener {
+public class TimePreferenceController extends BasePreferenceController
+        implements TimePickerDialog.OnTimeSetListener {
 
     public interface TimePreferenceHost extends UpdateTimeAndDateCallback {
         void showTimePicker();
@@ -43,52 +45,45 @@ public class TimePreferenceController extends AbstractPreferenceController
     public static final int DIALOG_TIMEPICKER = 1;
 
     private static final String TAG = "TimePreferenceController";
-    private static final String KEY_TIME = "time";
 
-    private final DatePreferenceController mDatePreferenceController;
-    private final TimePreferenceHost mHost;
+    private TimePreferenceHost mHost;
+    private TimeManager mTimeManager;
 
+    public TimePreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mTimeManager = context.getSystemService(TimeManager.class);
+    }
 
-    public TimePreferenceController(Context context,
-            TimePreferenceHost callback,
-            DatePreferenceController datePreferenceController) {
-        super(context);
-        mHost = callback;
-        mDatePreferenceController = datePreferenceController;
+    public void setHost(TimePreferenceHost host) {
+        mHost = host;
     }
 
     @Override
-    public boolean isAvailable() {
-        return true;
+    public int getAvailabilityStatus() {
+        return isEnabled() ? AVAILABLE : DISABLED_DEPENDENT_SETTING;
     }
 
     @Override
     public void updateState(Preference preference) {
-        if (!(preference instanceof RestrictedPreference)) {
-            return;
-        }
-        final Calendar now = Calendar.getInstance();
-        preference.setSummary(DateFormat.getTimeFormat(mContext).format(now.getTime()));
-        if (!((RestrictedPreference) preference).isDisabledByAdmin()) {
-            boolean enableManualTimeSelection = mDatePreferenceController.isEnabled();
-            preference.setEnabled(enableManualTimeSelection);
-        }
+        super.updateState(preference);
+        preference.setEnabled(isEnabled());
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        Calendar now = Calendar.getInstance();
+        return DateFormat.getTimeFormat(mContext).format(now.getTime());
     }
 
     @Override
     public boolean handlePreferenceTreeClick(Preference preference) {
-        if (!TextUtils.equals(KEY_TIME, preference.getKey())) {
+        if (!TextUtils.equals(getPreferenceKey(), preference.getKey())) {
             return false;
         }
         mHost.showTimePicker();
         return true;
     }
 
-    @Override
-    public String getPreferenceKey() {
-        return KEY_TIME;
-    }
-
     @Override
     public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
         if (mContext != null) {
@@ -132,4 +127,16 @@ public class TimePreferenceController extends AbstractPreferenceController
             Log.w(TAG, "Unable to set time with suggestion=" + manualTimeSuggestion);
         }
     }
+
+    /**
+     * Returns whether selecting the preference should prompt for the user to enter the date
+     * manually. Exposed as public so that the time controller can easily share the same logic as
+     * the rules are identical for time.
+     */
+    public boolean isEnabled() {
+        TimeCapabilities timeZoneCapabilities =
+                mTimeManager.getTimeCapabilitiesAndConfig().getCapabilities();
+        int suggestManualTimeCapability = timeZoneCapabilities.getSetManualTimeCapability();
+        return suggestManualTimeCapability == CAPABILITY_POSSESSED;
+    }
 }