Implement DateTimeSetings for Setup Wizard XL.

Make the orientation "behind", as XL would require landscape.

TODO:
- Automatic Time Zone should be available.
- Layout is immature: need to have better theme and layout xml.

Change-Id: Iafe141223a227643ca774f4df5e5b7fde9520d31

3 files changed, 171 insertions, 49 deletions

diff --git a/src/com/android/settings/DateTimeSettings.java b/src/com/android/settings/DateTimeSettings.java
index 61cc613..ecf8520 100644
--- a/src/com/android/settings/DateTimeSettings.java
+++ b/src/com/android/settings/DateTimeSettings.java
@@ -43,12 +43,15 @@ import java.util.TimeZone;
 
 public class DateTimeSettings extends SettingsPreferenceFragment
         implements OnSharedPreferenceChangeListener,
-                TimePickerDialog.OnTimeSetListener , DatePickerDialog.OnDateSetListener {
+                TimePickerDialog.OnTimeSetListener, DatePickerDialog.OnDateSetListener {
 
     private static final String HOURS_12 = "12";
     private static final String HOURS_24 = "24";
     
+    // Used for showing the current date format, which looks like "12/31/2010", "2010/12/13", etc.
+    // The date value is dummy (independent of actual date).
     private Calendar mDummyDate;
+
     private static final String KEY_DATE_FORMAT = "date_format";
     private static final String KEY_AUTO_TIME = "auto_time";
 
@@ -143,42 +146,25 @@ public class DateTimeSettings extends SettingsPreferenceFragment
     
     private void updateTimeAndDateDisplay() {
         java.text.DateFormat shortDateFormat = DateFormat.getDateFormat(getActivity());
-        Date now = Calendar.getInstance().getTime();
+        final Calendar now = Calendar.getInstance();
         Date dummyDate = mDummyDate.getTime();
-        mTimePref.setSummary(DateFormat.getTimeFormat(getActivity()).format(now));
-        mTimeZone.setSummary(getTimeZoneText());
-        mDatePref.setSummary(shortDateFormat.format(now));
+        mTimePref.setSummary(DateFormat.getTimeFormat(getActivity()).format(now.getTime()));
+        mTimeZone.setSummary(getTimeZoneText(now.getTimeZone()));
+        mDatePref.setSummary(shortDateFormat.format(now.getTime()));
         mDateFormat.setSummary(shortDateFormat.format(dummyDate));
     }
 
     @Override
     public void onDateSet(DatePicker view, int year, int month, int day) {
-        Calendar c = Calendar.getInstance();
-
-        c.set(Calendar.YEAR, year);
-        c.set(Calendar.MONTH, month);
-        c.set(Calendar.DAY_OF_MONTH, day);
-        long when = c.getTimeInMillis();
-
-        if (when / 1000 < Integer.MAX_VALUE) {
-            SystemClock.setCurrentTimeMillis(when);
-        }
+        setDate(year, month, day);
         updateTimeAndDateDisplay();
     }
 
     @Override
     public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
-        Calendar c = Calendar.getInstance();
-
-        c.set(Calendar.HOUR_OF_DAY, hourOfDay);
-        c.set(Calendar.MINUTE, minute);
-        long when = c.getTimeInMillis();
-
-        if (when / 1000 < Integer.MAX_VALUE) {
-            SystemClock.setCurrentTimeMillis(when);
-        }
+        setTime(hourOfDay, minute);
         updateTimeAndDateDisplay();
-        
+
         // We don't need to call timeUpdated() here because the TIME_CHANGED
         // broadcast is sent by the AlarmManager as a side effect of setting the
         // SystemClock time.
@@ -317,18 +303,34 @@ public class DateTimeSettings extends SettingsPreferenceFragment
         }
     }
 
-    private void setDateFormat(String format) {
-        if (format.length() == 0) {
-            format = null;
+    /*  Helper routines to format timezone */
+
+    /* package */ static void setDate(int year, int month, int day) {
+        Calendar c = Calendar.getInstance();
+
+        c.set(Calendar.YEAR, year);
+        c.set(Calendar.MONTH, month);
+        c.set(Calendar.DAY_OF_MONTH, day);
+        long when = c.getTimeInMillis();
+
+        if (when / 1000 < Integer.MAX_VALUE) {
+            SystemClock.setCurrentTimeMillis(when);
         }
+    }
+
+    /* package */ static void setTime(int hourOfDay, int minute) {
+        Calendar c = Calendar.getInstance();
 
-        Settings.System.putString(getContentResolver(), Settings.System.DATE_FORMAT, format);        
+        c.set(Calendar.HOUR_OF_DAY, hourOfDay);
+        c.set(Calendar.MINUTE, minute);
+        long when = c.getTimeInMillis();
+
+        if (when / 1000 < Integer.MAX_VALUE) {
+            SystemClock.setCurrentTimeMillis(when);
+        }
     }
-    
-    /*  Helper routines to format timezone */
-    
-    private String getTimeZoneText() {
-        TimeZone    tz = java.util.Calendar.getInstance().getTimeZone();
+
+    /* package */ static String getTimeZoneText(TimeZone tz) {
         boolean daylight = tz.inDaylightTime(new Date());
         StringBuilder sb = new StringBuilder();
 
@@ -340,7 +342,7 @@ public class DateTimeSettings extends SettingsPreferenceFragment
         return sb.toString();        
     }
 
-    private char[] formatOffset(int off) {
+    private static char[] formatOffset(int off) {
         off = off / 1000 / 60;
 
         char[] buf = new char[9];
diff --git a/src/com/android/settings/DateTimeSettingsSetupWizard.java b/src/com/android/settings/DateTimeSettingsSetupWizard.java
index b10624c..5da17da 100644
--- a/src/com/android/settings/DateTimeSettingsSetupWizard.java
+++ b/src/com/android/settings/DateTimeSettingsSetupWizard.java
@@ -16,26 +16,142 @@
 
 package com.android.settings;
 
+import com.android.settings.ZonePicker.ZoneSelectionListener;
+
+import android.app.Activity;
+import android.content.res.Configuration;
 import android.os.Bundle;
+import android.provider.Settings;
+import android.provider.Settings.SettingNotFoundException;
 import android.view.View;
-import android.view.Window;
 import android.view.View.OnClickListener;
+import android.view.Window;
+import android.widget.Button;
+import android.widget.CompoundButton;
+import android.widget.CompoundButton.OnCheckedChangeListener;
+import android.widget.DatePicker;
+import android.widget.TimePicker;
+
+import java.util.Calendar;
+import java.util.TimeZone;
+
+public class DateTimeSettingsSetupWizard extends Activity
+        implements OnClickListener, ZoneSelectionListener, OnCheckedChangeListener{
+
+    private boolean mXLargeScreenSize;
 
-public class DateTimeSettingsSetupWizard extends DateTimeSettingsActivity
-        implements OnClickListener {
-    private View mNextButton;
+    /* Available only in XL */
+    private Button mTimeZone;
+    private TimePicker mTimePicker;
+    private DatePicker mDatePicker;
 
     @Override
-    protected void onCreate(Bundle icicle) {
+    protected void onCreate(Bundle savedInstanceState) {
         requestWindowFeature(Window.FEATURE_NO_TITLE); 
-        super.onCreate(icicle);
+        super.onCreate(savedInstanceState);
         setContentView(R.layout.date_time_settings_setupwizard);
-        mNextButton = findViewById(R.id.next_button);
-        mNextButton.setOnClickListener(this);
+
+        mXLargeScreenSize = (getResources().getConfiguration().screenLayout
+                & Configuration.SCREENLAYOUT_SIZE_MASK)
+                == Configuration.SCREENLAYOUT_SIZE_XLARGE;
+        if (mXLargeScreenSize) {
+            initUiForXl();
+        } else {
+            findViewById(R.id.next_button).setOnClickListener(this);
+        }
+    }
+
+    public void initUiForXl() {
+        // TODO: use system value
+        final boolean autoTimeZoneEnabled = false;
+        final CompoundButton autoTimeZoneButton =
+                (CompoundButton)findViewById(R.id.time_zone_auto);
+        autoTimeZoneButton.setChecked(autoTimeZoneEnabled);
+        autoTimeZoneButton.setOnCheckedChangeListener(this);
+        // TODO: remove this after the system support.
+        autoTimeZoneButton.setEnabled(false);
+
+        final boolean autoDateTimeEnabled = isAutoDateTimeEnabled();
+        final CompoundButton autoDateTimeButton =
+                (CompoundButton)findViewById(R.id.date_time_auto);
+        autoDateTimeButton.setChecked(autoDateTimeEnabled);
+        autoDateTimeButton.setText(autoDateTimeEnabled ? R.string.date_time_auto_summaryOn :
+                R.string.date_time_auto_summaryOff);
+        autoDateTimeButton.setOnCheckedChangeListener(this);
+
+        final TimeZone tz = TimeZone.getDefault();
+        mTimeZone = (Button)findViewById(R.id.current_time_zone);
+        mTimeZone.setText(DateTimeSettings.getTimeZoneText(tz));
+        mTimeZone.setOnClickListener(this);
+        mTimeZone.setEnabled(!autoDateTimeEnabled);
+
+        mTimePicker = (TimePicker)findViewById(R.id.time_picker);
+        mTimePicker.setEnabled(!autoDateTimeEnabled);
+        mDatePicker = (DatePicker)findViewById(R.id.date_picker);
+        mDatePicker.setEnabled(!autoDateTimeEnabled);
+
+        ((ZonePicker)getFragmentManager().findFragmentById(R.id.zone_picker_fragment))
+                .setZoneSelectionListener(this);
+
+        ((Button)findViewById(R.id.next_button)).setOnClickListener(this);
+        ((Button)findViewById(R.id.skip_button)).setOnClickListener(this);
+    }
+
+    @Override
+    public void onClick(View view) {
+        switch (view.getId()) {
+        case R.id.current_time_zone: {
+            findViewById(R.id.current_time_zone).setVisibility(View.GONE);
+            findViewById(R.id.zone_picker).setVisibility(View.VISIBLE);
+            break;
+        }
+        case R.id.next_button: {
+            if (mXLargeScreenSize) {
+                DateTimeSettings.setDate(mDatePicker.getYear(), mDatePicker.getMonth(),
+                        mDatePicker.getDayOfMonth());
+                DateTimeSettings.setTime(
+                        mTimePicker.getCurrentHour(), mTimePicker.getCurrentMinute());
+            }
+        }  // $FALL-THROUGH$
+        case R.id.skip_button: {
+            setResult(RESULT_OK);
+            finish();
+            break;
+        }
+        }
+    }
+
+    @Override
+    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+        Settings.System.putInt(getContentResolver(),
+                Settings.System.AUTO_TIME,
+                isChecked ? 1 : 0);
+        if (isChecked) {
+            findViewById(R.id.current_time_zone).setVisibility(View.VISIBLE);
+            findViewById(R.id.zone_picker).setVisibility(View.GONE);
+        }
+        mTimeZone.setEnabled(!isChecked);
+        mTimePicker.setEnabled(!isChecked);
+        mDatePicker.setEnabled(!isChecked);
+    }
+
+    @Override
+    public void onZoneSelected(TimeZone tz) {
+        findViewById(R.id.current_time_zone).setVisibility(View.VISIBLE);
+        findViewById(R.id.zone_picker).setVisibility(View.GONE);
+        final Calendar now = Calendar.getInstance(tz);
+        mTimeZone.setText(DateTimeSettings.getTimeZoneText(tz));
+        mDatePicker.updateDate(now.get(Calendar.YEAR), now.get(Calendar.MONTH),
+                now.get(Calendar.DAY_OF_MONTH));
+        mTimePicker.setCurrentHour(now.get(Calendar.HOUR));
+        mTimePicker.setCurrentMinute(now.get(Calendar.MINUTE));
     }
 
-    public void onClick(View v) {
-        setResult(RESULT_OK);
-        finish();
+    private boolean isAutoDateTimeEnabled() {
+        try {
+            return Settings.System.getInt(getContentResolver(), Settings.System.AUTO_TIME) > 0;
+        } catch (SettingNotFoundException e) {
+            return true;
+        }
     }
 }
diff --git a/src/com/android/settings/ZonePicker.java b/src/com/android/settings/ZonePicker.java
index c877bd7..f0c61ed 100644
--- a/src/com/android/settings/ZonePicker.java
+++ b/src/com/android/settings/ZonePicker.java
@@ -52,7 +52,7 @@ public class ZonePicker extends ListFragment {
 
     public static interface ZoneSelectionListener {
         // You can add any argument if you really need it...
-        public void onZoneSelected();
+        public void onZoneSelected(TimeZone tz);
     }
 
     private static final String KEY_ID = "id";
@@ -235,9 +235,13 @@ public class ZonePicker extends ListFragment {
         // Update the system timezone value
         final Activity activity = getActivity();
         AlarmManager alarm = (AlarmManager) activity.getSystemService(Context.ALARM_SERVICE);
-        alarm.setTimeZone((String) map.get(KEY_ID));
+        String tzId = (String) map.get(KEY_ID);
+        alarm.setTimeZone(tzId);
+        final TimeZone tz = TimeZone.getTimeZone(tzId);
         if (mListener != null) {
-            mListener.onZoneSelected();
+            mListener.onZoneSelected(tz);
+        } else {
+            getActivity().onBackPressed();
         }
     }