src/com/android/calendar/month/MonthByWeekFragment.java - platform/packages/apps/Calendar - Git at Google

 /*
  * Copyright (C) 2010 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.calendar.month;

 import android.app.Activity;
 import android.app.FragmentManager;
 import android.app.LoaderManager;
 import android.content.ContentUris;
 import android.content.CursorLoader;
 import android.content.Loader;
 import android.content.res.Resources;
 import android.database.Cursor;
 import android.graphics.drawable.StateListDrawable;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
 import android.provider.CalendarContract.Attendees;
 import android.provider.CalendarContract.Calendars;
 import android.provider.CalendarContract.Instances;
 import android.text.format.DateUtils;
 import android.text.format.Time;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.View.OnTouchListener;
 import android.view.ViewConfiguration;
 import android.view.ViewGroup;
 import android.widget.AbsListView;
 import android.widget.AbsListView.OnScrollListener;

 import com.android.calendar.CalendarController;
 import com.android.calendar.CalendarController.EventInfo;
 import com.android.calendar.CalendarController.EventType;
 import com.android.calendar.CalendarController.ViewType;
 import com.android.calendar.Event;
 import com.android.calendar.R;
 import com.android.calendar.Utils;
 import com.android.calendar.event.CreateEventDialogFragment;

 import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.HashMap;
 import java.util.List;

 public class MonthByWeekFragment extends SimpleDayPickerFragment implements
         CalendarController.EventHandler, LoaderManager.LoaderCallbacks<Cursor>, OnScrollListener,
         OnTouchListener {
     private static final String TAG = "MonthFragment";
     private static final String TAG_EVENT_DIALOG = "event_dialog";

     private CreateEventDialogFragment mEventDialog;

     // Selection and selection args for adding event queries
     private static final String WHERE_CALENDARS_VISIBLE = Calendars.VISIBLE + "=1";
     private static final String INSTANCES_SORT_ORDER = Instances.START_DAY + ","
             + Instances.START_MINUTE + "," + Instances.TITLE;
     protected static boolean mShowDetailsInMonth = false;

     protected float mMinimumTwoMonthFlingVelocity;
     protected boolean mIsMiniMonth;
     protected boolean mHideDeclined;

     protected int mFirstLoadedJulianDay;
     protected int mLastLoadedJulianDay;

     private static final int WEEKS_BUFFER = 1;
     // How long to wait after scroll stops before starting the loader
     // Using scroll duration because scroll state changes don't update
     // correctly when a scroll is triggered programmatically.
     private static final int LOADER_DELAY = 200;
     // The minimum time between requeries of the data if the db is
     // changing
     private static final int LOADER_THROTTLE_DELAY = 500;

     private CursorLoader mLoader;
     private Uri mEventUri;
     private final Time mDesiredDay = new Time();

     private volatile boolean mShouldLoad = true;
     private boolean mUserScrolled = false;

     private int mEventsLoadingDelay;
     private boolean mShowCalendarControls;
     private boolean mIsDetached;

     private Handler mEventDialogHandler = new Handler() {

         @Override
         public void handleMessage(Message msg) {
             final FragmentManager manager = getFragmentManager();
             if (manager != null) {
                 Time day = (Time) msg.obj;
                 mEventDialog = new CreateEventDialogFragment(day);
                 mEventDialog.show(manager, TAG_EVENT_DIALOG);
             }
         }
     };


     private final Runnable mTZUpdater = new Runnable() {
         @Override
         public void run() {
             String tz = Utils.getTimeZone(mContext, mTZUpdater);
             mSelectedDay.timezone = tz;
             mSelectedDay.normalize(true);
             mTempTime.timezone = tz;
             mFirstDayOfMonth.timezone = tz;
             mFirstDayOfMonth.normalize(true);
             mFirstVisibleDay.timezone = tz;
             mFirstVisibleDay.normalize(true);
             if (mAdapter != null) {
                 mAdapter.refresh();
             }
         }
     };


     private final Runnable mUpdateLoader = new Runnable() {
         @Override
         public void run() {
             synchronized (this) {
                 if (!mShouldLoad || mLoader == null) {
                     return;
                 }
                 // Stop any previous loads while we update the uri
                 stopLoader();

                 // Start the loader again
                 mEventUri = updateUri();

                 mLoader.setUri(mEventUri);
                 mLoader.startLoading();
                 mLoader.onContentChanged();
                 if (Log.isLoggable(TAG, Log.DEBUG)) {
                     Log.d(TAG, "Started loader with uri: " + mEventUri);
                 }
             }
         }
     };
     // Used to load the events when a delay is needed
     Runnable mLoadingRunnable = new Runnable() {
         @Override
         public void run() {
             if (!mIsDetached) {
                 mLoader = (CursorLoader) getLoaderManager().initLoader(0, null,
                         MonthByWeekFragment.this);
             }
         }
     };


     /**
      * Updates the uri used by the loader according to the current position of
      * the listview.
      *
      * @return The new Uri to use
      */
     private Uri updateUri() {
         SimpleWeekView child = (SimpleWeekView) mListView.getChildAt(0);
         if (child != null) {
             int julianDay = child.getFirstJulianDay();
             mFirstLoadedJulianDay = julianDay;
         }
         // -1 to ensure we get all day events from any time zone
         mTempTime.setJulianDay(mFirstLoadedJulianDay - 1);
         long start = mTempTime.toMillis(true);
         mLastLoadedJulianDay = mFirstLoadedJulianDay + (mNumWeeks + 2 * WEEKS_BUFFER) * 7;
         // +1 to ensure we get all day events from any time zone
         mTempTime.setJulianDay(mLastLoadedJulianDay + 1);
         long end = mTempTime.toMillis(true);

         // Create a new uri with the updated times
         Uri.Builder builder = Instances.CONTENT_URI.buildUpon();
         ContentUris.appendId(builder, start);
         ContentUris.appendId(builder, end);
         return builder.build();
     }

     // Extract range of julian days from URI
     private void updateLoadedDays() {
         List<String> pathSegments = mEventUri.getPathSegments();
         int size = pathSegments.size();
         if (size <= 2) {
             return;
         }
         long first = Long.parseLong(pathSegments.get(size - 2));
         long last = Long.parseLong(pathSegments.get(size - 1));
         mTempTime.set(first);
         mFirstLoadedJulianDay = Time.getJulianDay(first, mTempTime.gmtoff);
         mTempTime.set(last);
         mLastLoadedJulianDay = Time.getJulianDay(last, mTempTime.gmtoff);
     }

     protected String updateWhere() {
         // TODO fix selection/selection args after b/3206641 is fixed
         String where = WHERE_CALENDARS_VISIBLE;
         if (mHideDeclined || !mShowDetailsInMonth) {
             where += " AND " + Instances.SELF_ATTENDEE_STATUS + "!="
                     + Attendees.ATTENDEE_STATUS_DECLINED;
         }
         return where;
     }

     private void stopLoader() {
         synchronized (mUpdateLoader) {
             mHandler.removeCallbacks(mUpdateLoader);
             if (mLoader != null) {
                 mLoader.stopLoading();
                 if (Log.isLoggable(TAG, Log.DEBUG)) {
                     Log.d(TAG, "Stopped loader from loading");
                 }
             }
         }
     }

     @Override
     public void onAttach(Activity activity) {
         super.onAttach(activity);
         mTZUpdater.run();
         if (mAdapter != null) {
             mAdapter.setSelectedDay(mSelectedDay);
         }
         mIsDetached = false;

         ViewConfiguration viewConfig = ViewConfiguration.get(activity);
         mMinimumTwoMonthFlingVelocity = viewConfig.getScaledMaximumFlingVelocity() / 2;
         Resources res = activity.getResources();
         mShowCalendarControls = Utils.getConfigBool(activity, R.bool.show_calendar_controls);
         // Synchronized the loading time of the month's events with the animation of the
         // calendar controls.
         if (mShowCalendarControls) {
             mEventsLoadingDelay = res.getInteger(R.integer.calendar_controls_animation_time);
         }
         mShowDetailsInMonth = res.getBoolean(R.bool.show_details_in_month);
     }

     @Override
     public void onDetach() {
         mIsDetached = true;
         super.onDetach();
         if (mShowCalendarControls) {
             if (mListView != null) {
                 mListView.removeCallbacks(mLoadingRunnable);
             }
         }
     }

     @Override
     protected void setUpAdapter() {
         mFirstDayOfWeek = Utils.getFirstDayOfWeek(mContext);
         mShowWeekNumber = Utils.getShowWeekNumber(mContext);

         HashMap<String, Integer> weekParams = new HashMap<String, Integer>();
         weekParams.put(SimpleWeeksAdapter.WEEK_PARAMS_NUM_WEEKS, mNumWeeks);
         weekParams.put(SimpleWeeksAdapter.WEEK_PARAMS_SHOW_WEEK, mShowWeekNumber ? 1 : 0);
         weekParams.put(SimpleWeeksAdapter.WEEK_PARAMS_WEEK_START, mFirstDayOfWeek);
         weekParams.put(MonthByWeekAdapter.WEEK_PARAMS_IS_MINI, mIsMiniMonth ? 1 : 0);
         weekParams.put(SimpleWeeksAdapter.WEEK_PARAMS_JULIAN_DAY,
                 Time.getJulianDay(mSelectedDay.toMillis(true), mSelectedDay.gmtoff));
         weekParams.put(SimpleWeeksAdapter.WEEK_PARAMS_DAYS_PER_WEEK, mDaysPerWeek);
         if (mAdapter == null) {
             mAdapter = new MonthByWeekAdapter(getActivity(), weekParams, mEventDialogHandler);
             mAdapter.registerDataSetObserver(mObserver);
         } else {
             mAdapter.updateParams(weekParams);
         }
         mAdapter.notifyDataSetChanged();
     }

     @Override
     public View onCreateView(
             LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         View v;
         if (mIsMiniMonth) {
             v = inflater.inflate(R.layout.month_by_week, container, false);
         } else {
             v = inflater.inflate(R.layout.full_month_by_week, container, false);
         }
         mDayNamesHeader = (ViewGroup) v.findViewById(R.id.day_names);
         return v;
     }

     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
         mListView.setSelector(new StateListDrawable());
         mListView.setOnTouchListener(this);

         if (!mIsMiniMonth) {
             mListView.setBackgroundColor(getResources().getColor(R.color.month_bgcolor));
         }

         // To get a smoother transition when showing this fragment, delay loading of events until
         // the fragment is expended fully and the calendar controls are gone.
         if (mShowCalendarControls) {
             mListView.postDelayed(mLoadingRunnable, mEventsLoadingDelay);
         } else {
             mLoader = (CursorLoader) getLoaderManager().initLoader(0, null, this);
         }
         mAdapter.setListView(mListView);
     }

     public MonthByWeekFragment() {
         this(System.currentTimeMillis(), true);
     }

     public MonthByWeekFragment(long initialTime, boolean isMiniMonth) {
         super(initialTime);
         mIsMiniMonth = isMiniMonth;
     }

     @Override
     protected void setUpHeader() {
         if (mIsMiniMonth) {
             super.setUpHeader();
             return;
         }

         mDayLabels = new String[7];
         for (int i = Calendar.SUNDAY; i <= Calendar.SATURDAY; i++) {
             mDayLabels[i - Calendar.SUNDAY] = DateUtils.getDayOfWeekString(i,
                     DateUtils.LENGTH_MEDIUM).toUpperCase();
         }
     }

     // TODO
     @Override
     public Loader<Cursor> onCreateLoader(int id, Bundle args) {
         if (mIsMiniMonth) {
             return null;
         }
         CursorLoader loader;
         synchronized (mUpdateLoader) {
             mFirstLoadedJulianDay =
                     Time.getJulianDay(mSelectedDay.toMillis(true), mSelectedDay.gmtoff)
                     - (mNumWeeks * 7 / 2);
             mEventUri = updateUri();
             String where = updateWhere();

             loader = new CursorLoader(
                     getActivity(), mEventUri, Event.EVENT_PROJECTION, where,
                     null /* WHERE_CALENDARS_SELECTED_ARGS */, INSTANCES_SORT_ORDER);
             loader.setUpdateThrottle(LOADER_THROTTLE_DELAY);
         }
         if (Log.isLoggable(TAG, Log.DEBUG)) {
             Log.d(TAG, "Returning new loader with uri: " + mEventUri);
         }
         return loader;
     }

     @Override
     public void doResumeUpdates() {
         mFirstDayOfWeek = Utils.getFirstDayOfWeek(mContext);
         mShowWeekNumber = Utils.getShowWeekNumber(mContext);
         boolean prevHideDeclined = mHideDeclined;
         mHideDeclined = Utils.getHideDeclinedEvents(mContext);
         if (prevHideDeclined != mHideDeclined && mLoader != null) {
             mLoader.setSelection(updateWhere());
         }
         mDaysPerWeek = Utils.getDaysPerWeek(mContext);
         updateHeader();
         mAdapter.setSelectedDay(mSelectedDay);
         mTZUpdater.run();
         mTodayUpdater.run();
         goTo(mSelectedDay.toMillis(true), false, true, false);
     }

     @Override
     public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
         synchronized (mUpdateLoader) {
             if (Log.isLoggable(TAG, Log.DEBUG)) {
                 Log.d(TAG, "Found " + data.getCount() + " cursor entries for uri " + mEventUri);
             }
             CursorLoader cLoader = (CursorLoader) loader;
             if (mEventUri == null) {
                 mEventUri = cLoader.getUri();
                 updateLoadedDays();
             }
             if (cLoader.getUri().compareTo(mEventUri) != 0) {
                 // We've started a new query since this loader ran so ignore the
                 // result
                 return;
             }
             ArrayList<Event> events = new ArrayList<Event>();
             Event.buildEventsFromCursor(
                     events, data, mContext, mFirstLoadedJulianDay, mLastLoadedJulianDay);
             ((MonthByWeekAdapter) mAdapter).setEvents(mFirstLoadedJulianDay,
                     mLastLoadedJulianDay - mFirstLoadedJulianDay + 1, events);
         }
     }

     @Override
     public void onLoaderReset(Loader<Cursor> loader) {
     }

     @Override
     public void eventsChanged() {
         // TODO remove this after b/3387924 is resolved
         if (mLoader != null) {
             mLoader.forceLoad();
         }
     }

     @Override
     public long getSupportedEventTypes() {
         return EventType.GO_TO | EventType.EVENTS_CHANGED;
     }

     @Override
     public void handleEvent(EventInfo event) {
         if (event.eventType == EventType.GO_TO) {
             boolean animate = true;
             if (mDaysPerWeek * mNumWeeks * 2 < Math.abs(
                     Time.getJulianDay(event.selectedTime.toMillis(true), event.selectedTime.gmtoff)
                     - Time.getJulianDay(mFirstVisibleDay.toMillis(true), mFirstVisibleDay.gmtoff)
                     - mDaysPerWeek * mNumWeeks / 2)) {
                 animate = false;
             }
             mDesiredDay.set(event.selectedTime);
             mDesiredDay.normalize(true);
             boolean animateToday = (event.extraLong & CalendarController.EXTRA_GOTO_TODAY) != 0;
             boolean delayAnimation = goTo(event.selectedTime.toMillis(true), animate, true, false);
             if (animateToday) {
                 // If we need to flash today start the animation after any
                 // movement from listView has ended.
                 mHandler.postDelayed(new Runnable() {
                     @Override
                     public void run() {
                         ((MonthByWeekAdapter) mAdapter).animateToday();
                         mAdapter.notifyDataSetChanged();
                     }
                 }, delayAnimation ? GOTO_SCROLL_DURATION : 0);
             }
         } else if (event.eventType == EventType.EVENTS_CHANGED) {
             eventsChanged();
         }
     }

     @Override
     protected void setMonthDisplayed(Time time, boolean updateHighlight) {
         super.setMonthDisplayed(time, updateHighlight);
         if (!mIsMiniMonth) {
             boolean useSelected = false;
             if (time.year == mDesiredDay.year && time.month == mDesiredDay.month) {
                 mSelectedDay.set(mDesiredDay);
                 mAdapter.setSelectedDay(mDesiredDay);
                 useSelected = true;
             } else {
                 mSelectedDay.set(time);
                 mAdapter.setSelectedDay(time);
             }
             CalendarController controller = CalendarController.getInstance(mContext);
             if (mSelectedDay.minute >= 30) {
                 mSelectedDay.minute = 30;
             } else {
                 mSelectedDay.minute = 0;
             }
             long newTime = mSelectedDay.normalize(true);
             if (newTime != controller.getTime() && mUserScrolled) {
                 long offset = useSelected ? 0 : DateUtils.WEEK_IN_MILLIS * mNumWeeks / 3;
                 controller.setTime(newTime + offset);
             }
             controller.sendEvent(this, EventType.UPDATE_TITLE, time, time, time, -1,
                     ViewType.CURRENT, DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_NO_MONTH_DAY
                             | DateUtils.FORMAT_SHOW_YEAR, null, null);
         }
     }

     @Override
     public void onScrollStateChanged(AbsListView view, int scrollState) {

         synchronized (mUpdateLoader) {
             if (scrollState != OnScrollListener.SCROLL_STATE_IDLE) {
                 mShouldLoad = false;
                 stopLoader();
                 mDesiredDay.setToNow();
             } else {
                 mHandler.removeCallbacks(mUpdateLoader);
                 mShouldLoad = true;
                 mHandler.postDelayed(mUpdateLoader, LOADER_DELAY);
             }
         }
         if (scrollState == OnScrollListener.SCROLL_STATE_TOUCH_SCROLL) {
             mUserScrolled = true;
         }

         mScrollStateChangedRunnable.doScrollStateChange(view, scrollState);
     }

     @Override
     public boolean onTouch(View v, MotionEvent event) {
         mDesiredDay.setToNow();
         return false;
         // TODO post a cleanup to push us back onto the grid if something went
         // wrong in a scroll such as the user stopping the view but not
         // scrolling
     }
 }
	/*
	* Copyright (C) 2010 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.calendar.month;

	import android.app.Activity;
	import android.app.FragmentManager;
	import android.app.LoaderManager;
	import android.content.ContentUris;
	import android.content.CursorLoader;
	import android.content.Loader;
	import android.content.res.Resources;
	import android.database.Cursor;
	import android.graphics.drawable.StateListDrawable;
	import android.net.Uri;
	import android.os.Bundle;
	import android.os.Handler;
	import android.os.Message;
	import android.provider.CalendarContract.Attendees;
	import android.provider.CalendarContract.Calendars;
	import android.provider.CalendarContract.Instances;
	import android.text.format.DateUtils;
	import android.text.format.Time;
	import android.util.Log;
	import android.view.LayoutInflater;
	import android.view.MotionEvent;
	import android.view.View;
	import android.view.View.OnTouchListener;
	import android.view.ViewConfiguration;
	import android.view.ViewGroup;
	import android.widget.AbsListView;
	import android.widget.AbsListView.OnScrollListener;

	import com.android.calendar.CalendarController;
	import com.android.calendar.CalendarController.EventInfo;
	import com.android.calendar.CalendarController.EventType;
	import com.android.calendar.CalendarController.ViewType;
	import com.android.calendar.Event;
	import com.android.calendar.R;
	import com.android.calendar.Utils;
	import com.android.calendar.event.CreateEventDialogFragment;

	import java.util.ArrayList;
	import java.util.Calendar;
	import java.util.HashMap;
	import java.util.List;

	public class MonthByWeekFragment extends SimpleDayPickerFragment implements
	CalendarController.EventHandler, LoaderManager.LoaderCallbacks<Cursor>, OnScrollListener,
	OnTouchListener {
	private static final String TAG = "MonthFragment";
	private static final String TAG_EVENT_DIALOG = "event_dialog";

	private CreateEventDialogFragment mEventDialog;

	// Selection and selection args for adding event queries
	private static final String WHERE_CALENDARS_VISIBLE = Calendars.VISIBLE + "=1";
	private static final String INSTANCES_SORT_ORDER = Instances.START_DAY + ","
	+ Instances.START_MINUTE + "," + Instances.TITLE;
	protected static boolean mShowDetailsInMonth = false;

	protected float mMinimumTwoMonthFlingVelocity;
	protected boolean mIsMiniMonth;
	protected boolean mHideDeclined;

	protected int mFirstLoadedJulianDay;
	protected int mLastLoadedJulianDay;

	private static final int WEEKS_BUFFER = 1;
	// How long to wait after scroll stops before starting the loader
	// Using scroll duration because scroll state changes don't update
	// correctly when a scroll is triggered programmatically.
	private static final int LOADER_DELAY = 200;
	// The minimum time between requeries of the data if the db is
	// changing
	private static final int LOADER_THROTTLE_DELAY = 500;

	private CursorLoader mLoader;
	private Uri mEventUri;
	private final Time mDesiredDay = new Time();

	private volatile boolean mShouldLoad = true;
	private boolean mUserScrolled = false;

	private int mEventsLoadingDelay;
	private boolean mShowCalendarControls;
	private boolean mIsDetached;

	private Handler mEventDialogHandler = new Handler() {

	@Override
	public void handleMessage(Message msg) {
	final FragmentManager manager = getFragmentManager();
	if (manager != null) {
	Time day = (Time) msg.obj;
	mEventDialog = new CreateEventDialogFragment(day);
	mEventDialog.show(manager, TAG_EVENT_DIALOG);
	}
	}
	};


	private final Runnable mTZUpdater = new Runnable() {
	@Override
	public void run() {
	String tz = Utils.getTimeZone(mContext, mTZUpdater);
	mSelectedDay.timezone = tz;
	mSelectedDay.normalize(true);
	mTempTime.timezone = tz;
	mFirstDayOfMonth.timezone = tz;
	mFirstDayOfMonth.normalize(true);
	mFirstVisibleDay.timezone = tz;
	mFirstVisibleDay.normalize(true);
	if (mAdapter != null) {
	mAdapter.refresh();
	}
	}
	};


	private final Runnable mUpdateLoader = new Runnable() {
	@Override
	public void run() {
	synchronized (this) {
	if (!mShouldLoad \|\| mLoader == null) {
	return;
	}
	// Stop any previous loads while we update the uri
	stopLoader();

	// Start the loader again
	mEventUri = updateUri();

	mLoader.setUri(mEventUri);
	mLoader.startLoading();
	mLoader.onContentChanged();
	if (Log.isLoggable(TAG, Log.DEBUG)) {
	Log.d(TAG, "Started loader with uri: " + mEventUri);
	}
	}
	}
	};
	// Used to load the events when a delay is needed
	Runnable mLoadingRunnable = new Runnable() {
	@Override
	public void run() {
	if (!mIsDetached) {
	mLoader = (CursorLoader) getLoaderManager().initLoader(0, null,
	MonthByWeekFragment.this);
	}
	}
	};


	/**
	* Updates the uri used by the loader according to the current position of
	* the listview.
	*
	* @return The new Uri to use
	*/
	private Uri updateUri() {
	SimpleWeekView child = (SimpleWeekView) mListView.getChildAt(0);
	if (child != null) {
	int julianDay = child.getFirstJulianDay();
	mFirstLoadedJulianDay = julianDay;
	}
	// -1 to ensure we get all day events from any time zone
	mTempTime.setJulianDay(mFirstLoadedJulianDay - 1);
	long start = mTempTime.toMillis(true);
	mLastLoadedJulianDay = mFirstLoadedJulianDay + (mNumWeeks + 2 * WEEKS_BUFFER) * 7;
	// +1 to ensure we get all day events from any time zone
	mTempTime.setJulianDay(mLastLoadedJulianDay + 1);
	long end = mTempTime.toMillis(true);

	// Create a new uri with the updated times
	Uri.Builder builder = Instances.CONTENT_URI.buildUpon();
	ContentUris.appendId(builder, start);
	ContentUris.appendId(builder, end);
	return builder.build();
	}

	// Extract range of julian days from URI
	private void updateLoadedDays() {
	List<String> pathSegments = mEventUri.getPathSegments();
	int size = pathSegments.size();
	if (size <= 2) {
	return;
	}
	long first = Long.parseLong(pathSegments.get(size - 2));
	long last = Long.parseLong(pathSegments.get(size - 1));
	mTempTime.set(first);
	mFirstLoadedJulianDay = Time.getJulianDay(first, mTempTime.gmtoff);
	mTempTime.set(last);
	mLastLoadedJulianDay = Time.getJulianDay(last, mTempTime.gmtoff);
	}

	protected String updateWhere() {
	// TODO fix selection/selection args after b/3206641 is fixed
	String where = WHERE_CALENDARS_VISIBLE;
	if (mHideDeclined \|\| !mShowDetailsInMonth) {
	where += " AND " + Instances.SELF_ATTENDEE_STATUS + "!="
	+ Attendees.ATTENDEE_STATUS_DECLINED;
	}
	return where;
	}

	private void stopLoader() {
	synchronized (mUpdateLoader) {
	mHandler.removeCallbacks(mUpdateLoader);
	if (mLoader != null) {
	mLoader.stopLoading();
	if (Log.isLoggable(TAG, Log.DEBUG)) {
	Log.d(TAG, "Stopped loader from loading");
	}
	}
	}
	}

	@Override
	public void onAttach(Activity activity) {
	super.onAttach(activity);
	mTZUpdater.run();
	if (mAdapter != null) {
	mAdapter.setSelectedDay(mSelectedDay);
	}
	mIsDetached = false;

	ViewConfiguration viewConfig = ViewConfiguration.get(activity);
	mMinimumTwoMonthFlingVelocity = viewConfig.getScaledMaximumFlingVelocity() / 2;
	Resources res = activity.getResources();
	mShowCalendarControls = Utils.getConfigBool(activity, R.bool.show_calendar_controls);
	// Synchronized the loading time of the month's events with the animation of the
	// calendar controls.
	if (mShowCalendarControls) {
	mEventsLoadingDelay = res.getInteger(R.integer.calendar_controls_animation_time);
	}
	mShowDetailsInMonth = res.getBoolean(R.bool.show_details_in_month);
	}

	@Override
	public void onDetach() {
	mIsDetached = true;
	super.onDetach();
	if (mShowCalendarControls) {
	if (mListView != null) {
	mListView.removeCallbacks(mLoadingRunnable);
	}
	}
	}

	@Override
	protected void setUpAdapter() {
	mFirstDayOfWeek = Utils.getFirstDayOfWeek(mContext);
	mShowWeekNumber = Utils.getShowWeekNumber(mContext);

	HashMap<String, Integer> weekParams = new HashMap<String, Integer>();
	weekParams.put(SimpleWeeksAdapter.WEEK_PARAMS_NUM_WEEKS, mNumWeeks);
	weekParams.put(SimpleWeeksAdapter.WEEK_PARAMS_SHOW_WEEK, mShowWeekNumber ? 1 : 0);
	weekParams.put(SimpleWeeksAdapter.WEEK_PARAMS_WEEK_START, mFirstDayOfWeek);
	weekParams.put(MonthByWeekAdapter.WEEK_PARAMS_IS_MINI, mIsMiniMonth ? 1 : 0);
	weekParams.put(SimpleWeeksAdapter.WEEK_PARAMS_JULIAN_DAY,
	Time.getJulianDay(mSelectedDay.toMillis(true), mSelectedDay.gmtoff));
	weekParams.put(SimpleWeeksAdapter.WEEK_PARAMS_DAYS_PER_WEEK, mDaysPerWeek);
	if (mAdapter == null) {
	mAdapter = new MonthByWeekAdapter(getActivity(), weekParams, mEventDialogHandler);
	mAdapter.registerDataSetObserver(mObserver);
	} else {
	mAdapter.updateParams(weekParams);
	}
	mAdapter.notifyDataSetChanged();
	}

	@Override
	public View onCreateView(
	LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
	View v;
	if (mIsMiniMonth) {
	v = inflater.inflate(R.layout.month_by_week, container, false);
	} else {
	v = inflater.inflate(R.layout.full_month_by_week, container, false);
	}
	mDayNamesHeader = (ViewGroup) v.findViewById(R.id.day_names);
	return v;
	}

	@Override
	public void onActivityCreated(Bundle savedInstanceState) {
	super.onActivityCreated(savedInstanceState);
	mListView.setSelector(new StateListDrawable());
	mListView.setOnTouchListener(this);

	if (!mIsMiniMonth) {
	mListView.setBackgroundColor(getResources().getColor(R.color.month_bgcolor));
	}

	// To get a smoother transition when showing this fragment, delay loading of events until
	// the fragment is expended fully and the calendar controls are gone.
	if (mShowCalendarControls) {
	mListView.postDelayed(mLoadingRunnable, mEventsLoadingDelay);
	} else {
	mLoader = (CursorLoader) getLoaderManager().initLoader(0, null, this);
	}
	mAdapter.setListView(mListView);
	}

	public MonthByWeekFragment() {
	this(System.currentTimeMillis(), true);
	}

	public MonthByWeekFragment(long initialTime, boolean isMiniMonth) {
	super(initialTime);
	mIsMiniMonth = isMiniMonth;
	}

	@Override
	protected void setUpHeader() {
	if (mIsMiniMonth) {
	super.setUpHeader();
	return;
	}

	mDayLabels = new String[7];
	for (int i = Calendar.SUNDAY; i <= Calendar.SATURDAY; i++) {
	mDayLabels[i - Calendar.SUNDAY] = DateUtils.getDayOfWeekString(i,
	DateUtils.LENGTH_MEDIUM).toUpperCase();
	}
	}

	// TODO
	@Override
	public Loader<Cursor> onCreateLoader(int id, Bundle args) {
	if (mIsMiniMonth) {
	return null;
	}
	CursorLoader loader;
	synchronized (mUpdateLoader) {
	mFirstLoadedJulianDay =
	Time.getJulianDay(mSelectedDay.toMillis(true), mSelectedDay.gmtoff)
	- (mNumWeeks * 7 / 2);
	mEventUri = updateUri();
	String where = updateWhere();

	loader = new CursorLoader(
	getActivity(), mEventUri, Event.EVENT_PROJECTION, where,
	null /* WHERE_CALENDARS_SELECTED_ARGS */, INSTANCES_SORT_ORDER);
	loader.setUpdateThrottle(LOADER_THROTTLE_DELAY);
	}
	if (Log.isLoggable(TAG, Log.DEBUG)) {
	Log.d(TAG, "Returning new loader with uri: " + mEventUri);
	}
	return loader;
	}

	@Override
	public void doResumeUpdates() {
	mFirstDayOfWeek = Utils.getFirstDayOfWeek(mContext);
	mShowWeekNumber = Utils.getShowWeekNumber(mContext);
	boolean prevHideDeclined = mHideDeclined;
	mHideDeclined = Utils.getHideDeclinedEvents(mContext);
	if (prevHideDeclined != mHideDeclined && mLoader != null) {
	mLoader.setSelection(updateWhere());
	}
	mDaysPerWeek = Utils.getDaysPerWeek(mContext);
	updateHeader();
	mAdapter.setSelectedDay(mSelectedDay);
	mTZUpdater.run();
	mTodayUpdater.run();
	goTo(mSelectedDay.toMillis(true), false, true, false);
	}

	@Override
	public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
	synchronized (mUpdateLoader) {
	if (Log.isLoggable(TAG, Log.DEBUG)) {
	Log.d(TAG, "Found " + data.getCount() + " cursor entries for uri " + mEventUri);
	}
	CursorLoader cLoader = (CursorLoader) loader;
	if (mEventUri == null) {
	mEventUri = cLoader.getUri();
	updateLoadedDays();
	}
	if (cLoader.getUri().compareTo(mEventUri) != 0) {
	// We've started a new query since this loader ran so ignore the
	// result
	return;
	}
	ArrayList<Event> events = new ArrayList<Event>();
	Event.buildEventsFromCursor(
	events, data, mContext, mFirstLoadedJulianDay, mLastLoadedJulianDay);
	((MonthByWeekAdapter) mAdapter).setEvents(mFirstLoadedJulianDay,
	mLastLoadedJulianDay - mFirstLoadedJulianDay + 1, events);
	}
	}

	@Override
	public void onLoaderReset(Loader<Cursor> loader) {
	}

	@Override
	public void eventsChanged() {
	// TODO remove this after b/3387924 is resolved
	if (mLoader != null) {
	mLoader.forceLoad();
	}
	}

	@Override
	public long getSupportedEventTypes() {
	return EventType.GO_TO \| EventType.EVENTS_CHANGED;
	}

	@Override
	public void handleEvent(EventInfo event) {
	if (event.eventType == EventType.GO_TO) {
	boolean animate = true;
	if (mDaysPerWeek * mNumWeeks * 2 < Math.abs(
	Time.getJulianDay(event.selectedTime.toMillis(true), event.selectedTime.gmtoff)
	- Time.getJulianDay(mFirstVisibleDay.toMillis(true), mFirstVisibleDay.gmtoff)
	- mDaysPerWeek * mNumWeeks / 2)) {
	animate = false;
	}
	mDesiredDay.set(event.selectedTime);
	mDesiredDay.normalize(true);
	boolean animateToday = (event.extraLong & CalendarController.EXTRA_GOTO_TODAY) != 0;
	boolean delayAnimation = goTo(event.selectedTime.toMillis(true), animate, true, false);
	if (animateToday) {
	// If we need to flash today start the animation after any
	// movement from listView has ended.
	mHandler.postDelayed(new Runnable() {
	@Override
	public void run() {
	((MonthByWeekAdapter) mAdapter).animateToday();
	mAdapter.notifyDataSetChanged();
	}
	}, delayAnimation ? GOTO_SCROLL_DURATION : 0);
	}
	} else if (event.eventType == EventType.EVENTS_CHANGED) {
	eventsChanged();
	}
	}

	@Override
	protected void setMonthDisplayed(Time time, boolean updateHighlight) {
	super.setMonthDisplayed(time, updateHighlight);
	if (!mIsMiniMonth) {
	boolean useSelected = false;
	if (time.year == mDesiredDay.year && time.month == mDesiredDay.month) {
	mSelectedDay.set(mDesiredDay);
	mAdapter.setSelectedDay(mDesiredDay);
	useSelected = true;
	} else {
	mSelectedDay.set(time);
	mAdapter.setSelectedDay(time);
	}
	CalendarController controller = CalendarController.getInstance(mContext);
	if (mSelectedDay.minute >= 30) {
	mSelectedDay.minute = 30;
	} else {
	mSelectedDay.minute = 0;
	}
	long newTime = mSelectedDay.normalize(true);
	if (newTime != controller.getTime() && mUserScrolled) {
	long offset = useSelected ? 0 : DateUtils.WEEK_IN_MILLIS * mNumWeeks / 3;
	controller.setTime(newTime + offset);
	}
	controller.sendEvent(this, EventType.UPDATE_TITLE, time, time, time, -1,
	ViewType.CURRENT, DateUtils.FORMAT_SHOW_DATE \| DateUtils.FORMAT_NO_MONTH_DAY
	\| DateUtils.FORMAT_SHOW_YEAR, null, null);
	}
	}

	@Override
	public void onScrollStateChanged(AbsListView view, int scrollState) {

	synchronized (mUpdateLoader) {
	if (scrollState != OnScrollListener.SCROLL_STATE_IDLE) {
	mShouldLoad = false;
	stopLoader();
	mDesiredDay.setToNow();
	} else {
	mHandler.removeCallbacks(mUpdateLoader);
	mShouldLoad = true;
	mHandler.postDelayed(mUpdateLoader, LOADER_DELAY);
	}
	}
	if (scrollState == OnScrollListener.SCROLL_STATE_TOUCH_SCROLL) {
	mUserScrolled = true;
	}

	mScrollStateChangedRunnable.doScrollStateChange(view, scrollState);
	}

	@Override
	public boolean onTouch(View v, MotionEvent event) {
	mDesiredDay.setToNow();
	return false;
	// TODO post a cleanup to push us back onto the grid if something went
	// wrong in a scroll such as the user stopping the view but not
	// scrolling
	}
	}