/* * Copyright (C) 2006 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; import static android.provider.CalendarContract.EXTRA_EVENT_BEGIN_TIME; import com.android.calendar.CalendarController.ViewType; import android.app.Activity; import android.app.SearchManager; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.content.res.Resources; import android.database.Cursor; import android.database.MatrixCursor; import android.graphics.Color; import android.net.Uri; import android.os.Bundle; import android.text.TextUtils; import android.text.format.DateUtils; import android.text.format.Time; import android.util.Log; import android.widget.SearchView; import com.android.calendar.CalendarUtils.TimeZoneUtils; import java.util.ArrayList; import java.util.Arrays; import java.util.Calendar; import java.util.Formatter; import java.util.HashMap; import java.util.Iterator; import java.util.LinkedList; import java.util.List; import java.util.Map; public class Utils { private static final boolean DEBUG = false; private static final String TAG = "CalUtils"; // Set to 0 until we have UI to perform undo public static final long UNDO_DELAY = 0; // For recurring events which instances of the series are being modified public static final int MODIFY_UNINITIALIZED = 0; public static final int MODIFY_SELECTED = 1; public static final int MODIFY_ALL_FOLLOWING = 2; public static final int MODIFY_ALL = 3; // When the edit event view finishes it passes back the appropriate exit // code. public static final int DONE_REVERT = 1 << 0; public static final int DONE_SAVE = 1 << 1; public static final int DONE_DELETE = 1 << 2; // And should re run with DONE_EXIT if it should also leave the view, just // exiting is identical to reverting public static final int DONE_EXIT = 1 << 0; public static final String OPEN_EMAIL_MARKER = " <"; public static final String CLOSE_EMAIL_MARKER = ">"; public static final String INTENT_KEY_DETAIL_VIEW = "DETAIL_VIEW"; public static final String INTENT_KEY_VIEW_TYPE = "VIEW"; public static final String INTENT_VALUE_VIEW_TYPE_DAY = "DAY"; public static final String INTENT_KEY_HOME = "KEY_HOME"; public static final int MONDAY_BEFORE_JULIAN_EPOCH = Time.EPOCH_JULIAN_DAY - 3; public static final int DECLINED_EVENT_ALPHA = 0x66; public static final int DECLINED_EVENT_TEXT_ALPHA = 0xC0; private static final float SATURATION_ADJUST = 0.3f; // Defines used by the DNA generation code static final int DAY_IN_MINUTES = 60 * 24; static final int WEEK_IN_MINUTES = DAY_IN_MINUTES * 7; // The work day is being counted as 6am to 8pm static int WORK_DAY_MINUTES = 14 * 60; static int WORK_DAY_START_MINUTES = 6 * 60; static int WORK_DAY_END_MINUTES = 20 * 60; static int WORK_DAY_END_LENGTH = (24 * 60) - WORK_DAY_END_MINUTES; static int CONFLICT_COLOR = 0xFF000000; static boolean mMinutesLoaded = false; // The name of the shared preferences file. This name must be maintained for // historical // reasons, as it's what PreferenceManager assigned the first time the file // was created. private static final String SHARED_PREFS_NAME = "com.android.calendar_preferences"; public static final String APPWIDGET_DATA_TYPE = "vnd.android.data/update"; private static final TimeZoneUtils mTZUtils = new TimeZoneUtils(SHARED_PREFS_NAME); private static boolean mAllowWeekForDetailView = false; private static long mTardis = 0; public static int getViewTypeFromIntentAndSharedPref(Activity activity) { Intent intent = activity.getIntent(); Bundle extras = intent.getExtras(); SharedPreferences prefs = GeneralPreferences.getSharedPreferences(activity); if (TextUtils.equals(intent.getAction(), Intent.ACTION_EDIT)) { return ViewType.EDIT; } if (extras != null) { if (extras.getBoolean(INTENT_KEY_DETAIL_VIEW, false)) { // This is the "detail" view which is either agenda or day view return prefs.getInt(GeneralPreferences.KEY_DETAILED_VIEW, GeneralPreferences.DEFAULT_DETAILED_VIEW); } else if (INTENT_VALUE_VIEW_TYPE_DAY.equals(extras.getString(INTENT_KEY_VIEW_TYPE))) { // Not sure who uses this. This logic came from LaunchActivity return ViewType.DAY; } } // Default to the last view return prefs.getInt( GeneralPreferences.KEY_START_VIEW, GeneralPreferences.DEFAULT_START_VIEW); } /** * Gets the intent action for telling the widget to update. */ public static String getWidgetUpdateAction(Context context) { return context.getPackageName() + ".APPWIDGET_UPDATE"; } /** * Gets the intent action for telling the widget to update. */ public static String getWidgetScheduledUpdateAction(Context context) { return context.getPackageName() + ".APPWIDGET_SCHEDULED_UPDATE"; } /** * Gets the intent action for telling the widget to update. */ public static String getSearchAuthority(Context context) { return context.getPackageName() + ".CalendarRecentSuggestionsProvider"; } /** * Writes a new home time zone to the db. Updates the home time zone in the * db asynchronously and updates the local cache. Sending a time zone of * **tbd** will cause it to be set to the device's time zone. null or empty * tz will be ignored. * * @param context The calling activity * @param timeZone The time zone to set Calendar to, or **tbd** */ public static void setTimeZone(Context context, String timeZone) { mTZUtils.setTimeZone(context, timeZone); } /** * Gets the time zone that Calendar should be displayed in This is a helper * method to get the appropriate time zone for Calendar. If this is the * first time this method has been called it will initiate an asynchronous * query to verify that the data in preferences is correct. The callback * supplied will only be called if this query returns a value other than * what is stored in preferences and should cause the calling activity to * refresh anything that depends on calling this method. * * @param context The calling activity * @param callback The runnable that should execute if a query returns new * values * @return The string value representing the time zone Calendar should * display */ public static String getTimeZone(Context context, Runnable callback) { return mTZUtils.getTimeZone(context, callback); } /** * Formats a date or a time range according to the local conventions. * * @param context the context is required only if the time is shown * @param startMillis the start time in UTC milliseconds * @param endMillis the end time in UTC milliseconds * @param flags a bit mask of options See {@link DateUtils#formatDateRange(Context, Formatter, * long, long, int, String) formatDateRange} * @return a string containing the formatted date/time range. */ public static String formatDateRange( Context context, long startMillis, long endMillis, int flags) { return mTZUtils.formatDateRange(context, startMillis, endMillis, flags); } public static String getSharedPreference(Context context, String key, String defaultValue) { SharedPreferences prefs = GeneralPreferences.getSharedPreferences(context); return prefs.getString(key, defaultValue); } public static int getSharedPreference(Context context, String key, int defaultValue) { SharedPreferences prefs = GeneralPreferences.getSharedPreferences(context); return prefs.getInt(key, defaultValue); } public static boolean getSharedPreference(Context context, String key, boolean defaultValue) { SharedPreferences prefs = GeneralPreferences.getSharedPreferences(context); return prefs.getBoolean(key, defaultValue); } /** * Asynchronously sets the preference with the given key to the given value * * @param context the context to use to get preferences from * @param key the key of the preference to set * @param value the value to set */ public static void setSharedPreference(Context context, String key, String value) { SharedPreferences prefs = GeneralPreferences.getSharedPreferences(context); prefs.edit().putString(key, value).apply(); } protected static void tardis() { mTardis = System.currentTimeMillis(); } protected static long getTardis() { return mTardis; } static void setSharedPreference(Context context, String key, boolean value) { SharedPreferences prefs = GeneralPreferences.getSharedPreferences(context); SharedPreferences.Editor editor = prefs.edit(); editor.putBoolean(key, value); editor.apply(); } static void setSharedPreference(Context context, String key, int value) { SharedPreferences prefs = GeneralPreferences.getSharedPreferences(context); SharedPreferences.Editor editor = prefs.edit(); editor.putInt(key, value); editor.apply(); } /** * Save default agenda/day/week/month view for next time * * @param context * @param viewId {@link CalendarController.ViewType} */ static void setDefaultView(Context context, int viewId) { SharedPreferences prefs = GeneralPreferences.getSharedPreferences(context); SharedPreferences.Editor editor = prefs.edit(); boolean validDetailView = false; if (mAllowWeekForDetailView && viewId == CalendarController.ViewType.WEEK) { validDetailView = true; } else { validDetailView = viewId == CalendarController.ViewType.AGENDA || viewId == CalendarController.ViewType.DAY; } if (validDetailView) { // Record the detail start view editor.putInt(GeneralPreferences.KEY_DETAILED_VIEW, viewId); } // Record the (new) start view editor.putInt(GeneralPreferences.KEY_START_VIEW, viewId); editor.apply(); } public static MatrixCursor matrixCursorFromCursor(Cursor cursor) { MatrixCursor newCursor = new MatrixCursor(cursor.getColumnNames()); int numColumns = cursor.getColumnCount(); String data[] = new String[numColumns]; cursor.moveToPosition(-1); while (cursor.moveToNext()) { for (int i = 0; i < numColumns; i++) { data[i] = cursor.getString(i); } newCursor.addRow(data); } return newCursor; } /** * Compares two cursors to see if they contain the same data. * * @return Returns true of the cursors contain the same data and are not * null, false otherwise */ public static boolean compareCursors(Cursor c1, Cursor c2) { if (c1 == null || c2 == null) { return false; } int numColumns = c1.getColumnCount(); if (numColumns != c2.getColumnCount()) { return false; } if (c1.getCount() != c2.getCount()) { return false; } c1.moveToPosition(-1); c2.moveToPosition(-1); while (c1.moveToNext() && c2.moveToNext()) { for (int i = 0; i < numColumns; i++) { if (!TextUtils.equals(c1.getString(i), c2.getString(i))) { return false; } } } return true; } /** * If the given intent specifies a time (in milliseconds since the epoch), * then that time is returned. Otherwise, the current time is returned. */ public static final long timeFromIntentInMillis(Intent intent) { // If the time was specified, then use that. Otherwise, use the current // time. Uri data = intent.getData(); long millis = intent.getLongExtra(EXTRA_EVENT_BEGIN_TIME, -1); if (millis == -1 && data != null && data.isHierarchical()) { List path = data.getPathSegments(); if (path.size() == 2 && path.get(0).equals("time")) { try { millis = Long.valueOf(data.getLastPathSegment()); } catch (NumberFormatException e) { Log.i("Calendar", "timeFromIntentInMillis: Data existed but no valid time " + "found. Using current time."); } } } if (millis <= 0) { millis = System.currentTimeMillis(); } return millis; } /** * Formats the given Time object so that it gives the month and year (for * example, "September 2007"). * * @param time the time to format * @return the string containing the weekday and the date */ public static String formatMonthYear(Context context, Time time) { int flags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_NO_MONTH_DAY | DateUtils.FORMAT_SHOW_YEAR; long millis = time.toMillis(true); return formatDateRange(context, millis, millis, flags); } /** * Returns a list joined together by the provided delimiter, for example, * ["a", "b", "c"] could be joined into "a,b,c" * * @param things the things to join together * @param delim the delimiter to use * @return a string contained the things joined together */ public static String join(List things, String delim) { StringBuilder builder = new StringBuilder(); boolean first = true; for (Object thing : things) { if (first) { first = false; } else { builder.append(delim); } builder.append(thing.toString()); } return builder.toString(); } /** * Returns the week since {@link Time#EPOCH_JULIAN_DAY} (Jan 1, 1970) * adjusted for first day of week. * * This takes a julian day and the week start day and calculates which * week since {@link Time#EPOCH_JULIAN_DAY} that day occurs in, starting * at 0. *Do not* use this to compute the ISO week number for the year. * * @param julianDay The julian day to calculate the week number for * @param firstDayOfWeek Which week day is the first day of the week, * see {@link Time#SUNDAY} * @return Weeks since the epoch */ public static int getWeeksSinceEpochFromJulianDay(int julianDay, int firstDayOfWeek) { int diff = Time.THURSDAY - firstDayOfWeek; if (diff < 0) { diff += 7; } int refDay = Time.EPOCH_JULIAN_DAY - diff; return (julianDay - refDay) / 7; } /** * Takes a number of weeks since the epoch and calculates the Julian day of * the Monday for that week. * * This assumes that the week containing the {@link Time#EPOCH_JULIAN_DAY} * is considered week 0. It returns the Julian day for the Monday * {@code week} weeks after the Monday of the week containing the epoch. * * @param week Number of weeks since the epoch * @return The julian day for the Monday of the given week since the epoch */ public static int getJulianMondayFromWeeksSinceEpoch(int week) { return MONDAY_BEFORE_JULIAN_EPOCH + week * 7; } /** * Get first day of week as android.text.format.Time constant. * * @return the first day of week in android.text.format.Time */ public static int getFirstDayOfWeek(Context context) { SharedPreferences prefs = GeneralPreferences.getSharedPreferences(context); String pref = prefs.getString( GeneralPreferences.KEY_WEEK_START_DAY, GeneralPreferences.WEEK_START_DEFAULT); int startDay; if (GeneralPreferences.WEEK_START_DEFAULT.equals(pref)) { startDay = Calendar.getInstance().getFirstDayOfWeek(); } else { startDay = Integer.parseInt(pref); } if (startDay == Calendar.SATURDAY) { return Time.SATURDAY; } else if (startDay == Calendar.MONDAY) { return Time.MONDAY; } else { return Time.SUNDAY; } } /** * @return true when week number should be shown. */ public static boolean getShowWeekNumber(Context context) { final SharedPreferences prefs = GeneralPreferences.getSharedPreferences(context); return prefs.getBoolean( GeneralPreferences.KEY_SHOW_WEEK_NUM, GeneralPreferences.DEFAULT_SHOW_WEEK_NUM); } /** * @return true when declined events should be hidden. */ public static boolean getHideDeclinedEvents(Context context) { final SharedPreferences prefs = GeneralPreferences.getSharedPreferences(context); return prefs.getBoolean(GeneralPreferences.KEY_HIDE_DECLINED, false); } public static int getDaysPerWeek(Context context) { final SharedPreferences prefs = GeneralPreferences.getSharedPreferences(context); return prefs.getInt(GeneralPreferences.KEY_DAYS_PER_WEEK, 7); } /** * Determine whether the column position is Saturday or not. * * @param column the column position * @param firstDayOfWeek the first day of week in android.text.format.Time * @return true if the column is Saturday position */ public static boolean isSaturday(int column, int firstDayOfWeek) { return (firstDayOfWeek == Time.SUNDAY && column == 6) || (firstDayOfWeek == Time.MONDAY && column == 5) || (firstDayOfWeek == Time.SATURDAY && column == 0); } /** * Determine whether the column position is Sunday or not. * * @param column the column position * @param firstDayOfWeek the first day of week in android.text.format.Time * @return true if the column is Sunday position */ public static boolean isSunday(int column, int firstDayOfWeek) { return (firstDayOfWeek == Time.SUNDAY && column == 0) || (firstDayOfWeek == Time.MONDAY && column == 6) || (firstDayOfWeek == Time.SATURDAY && column == 1); } /** * Convert given UTC time into current local time. This assumes it is for an * allday event and will adjust the time to be on a midnight boundary. * * @param recycle Time object to recycle, otherwise null. * @param utcTime Time to convert, in UTC. * @param tz The time zone to convert this time to. */ public static long convertAlldayUtcToLocal(Time recycle, long utcTime, String tz) { if (recycle == null) { recycle = new Time(); } recycle.timezone = Time.TIMEZONE_UTC; recycle.set(utcTime); recycle.timezone = tz; return recycle.normalize(true); } public static long convertAlldayLocalToUTC(Time recycle, long localTime, String tz) { if (recycle == null) { recycle = new Time(); } recycle.timezone = tz; recycle.set(localTime); recycle.timezone = Time.TIMEZONE_UTC; return recycle.normalize(true); } /** * Finds and returns the next midnight after "theTime" in milliseconds UTC * * @param recycle - Time object to recycle, otherwise null. * @param theTime - Time used for calculations (in UTC) * @param tz The time zone to convert this time to. */ public static long getNextMidnight(Time recycle, long theTime, String tz) { if (recycle == null) { recycle = new Time(); } recycle.timezone = tz; recycle.set(theTime); recycle.monthDay ++; recycle.hour = 0; recycle.minute = 0; recycle.second = 0; return recycle.normalize(true); } /** * Scan through a cursor of calendars and check if names are duplicated. * This travels a cursor containing calendar display names and fills in the * provided map with whether or not each name is repeated. * * @param isDuplicateName The map to put the duplicate check results in. * @param cursor The query of calendars to check * @param nameIndex The column of the query that contains the display name */ public static void checkForDuplicateNames( Map isDuplicateName, Cursor cursor, int nameIndex) { isDuplicateName.clear(); cursor.moveToPosition(-1); while (cursor.moveToNext()) { String displayName = cursor.getString(nameIndex); // Set it to true if we've seen this name before, false otherwise if (displayName != null) { isDuplicateName.put(displayName, isDuplicateName.containsKey(displayName)); } } } /** * Null-safe object comparison * * @param s1 * @param s2 * @return */ public static boolean equals(Object o1, Object o2) { return o1 == null ? o2 == null : o1.equals(o2); } public static void setAllowWeekForDetailView(boolean allowWeekView) { mAllowWeekForDetailView = allowWeekView; } public static boolean getAllowWeekForDetailView() { return mAllowWeekForDetailView; } public static boolean getConfigBool(Context c, int key) { return c.getResources().getBoolean(key); } public static int getDisplayColorFromColor(int color) { float[] hsv = new float[3]; Color.colorToHSV(color, hsv); hsv[1] = Math.max(hsv[1] - SATURATION_ADJUST, 0.0f); return Color.HSVToColor(hsv); } // This takes a color and computes what it would look like blended with // white. The result is the color that should be used for declined events. public static int getDeclinedColorFromColor(int color) { int bg = 0xffffffff; int a = DECLINED_EVENT_ALPHA; int r = (((color & 0x00ff0000) * a) + ((bg & 0x00ff0000) * (0xff - a))) & 0xff000000; int g = (((color & 0x0000ff00) * a) + ((bg & 0x0000ff00) * (0xff - a))) & 0x00ff0000; int b = (((color & 0x000000ff) * a) + ((bg & 0x000000ff) * (0xff - a))) & 0x0000ff00; return (0xff000000) | ((r | g | b) >> 8); } // A single strand represents one color of events. Events are divided up by // color to make them convenient to draw. The black strand is special in // that it holds conflicting events as well as color settings for allday on // each day. public static class DNAStrand { public float[] points; public int[] allDays; // color for the allday, 0 means no event int position; public int color; int count; } // A segment is a single continuous length of time occupied by a single // color. Segments should never span multiple days. private static class DNASegment { int startMinute; // in minutes since the start of the week int endMinute; int color; // Calendar color or black for conflicts int day; // quick reference to the day this segment is on } /** * Converts a list of events to a list of segments to draw. Assumes list is * ordered by start time of the events. The function processes events for a * range of days from firstJulianDay to firstJulianDay + dayXs.length - 1. * The algorithm goes over all the events and creates a set of segments * ordered by start time. This list of segments is then converted into a * HashMap of strands which contain the draw points and are organized by * color. The strands can then be drawn by setting the paint color to each * strand's color and calling drawLines on its set of points. The points are * set up using the following parameters. * * * @param firstJulianDay The julian day of the first day of events * @param events A list of events sorted by start time * @param top The lowest y value the dna should be drawn at * @param bottom The highest y value the dna should be drawn at * @param dayXs An array of x values to draw the dna at, one for each day * @param conflictColor the color to use for conflicts * @return */ public static HashMap createDNAStrands(int firstJulianDay, ArrayList events, int top, int bottom, int minPixels, int[] dayXs, Context context) { if (!mMinutesLoaded) { if (context == null) { Log.wtf(TAG, "No context and haven't loaded parameters yet! Can't create DNA."); } Resources res = context.getResources(); CONFLICT_COLOR = res.getColor(R.color.month_dna_conflict_time_color); WORK_DAY_START_MINUTES = res.getInteger(R.integer.work_start_minutes); WORK_DAY_END_MINUTES = res.getInteger(R.integer.work_end_minutes); WORK_DAY_END_LENGTH = DAY_IN_MINUTES - WORK_DAY_END_MINUTES; WORK_DAY_MINUTES = WORK_DAY_END_MINUTES - WORK_DAY_START_MINUTES; mMinutesLoaded = true; } if (events == null || events.isEmpty() || dayXs == null || dayXs.length < 1 || bottom - top < 8 || minPixels < 0) { Log.e(TAG, "Bad values for createDNAStrands! events:" + events + " dayXs:" + Arrays.toString(dayXs) + " bot-top:" + (bottom - top) + " minPixels:" + minPixels); return null; } LinkedList segments = new LinkedList(); HashMap strands = new HashMap(); // add a black strand by default, other colors will get added in // the loop DNAStrand blackStrand = new DNAStrand(); blackStrand.color = CONFLICT_COLOR; strands.put(CONFLICT_COLOR, blackStrand); // the min length is the number of minutes that will occupy // MIN_SEGMENT_PIXELS in the 'work day' time slot. This computes the // minutes/pixel * minpx where the number of pixels are 3/4 the total // dna height: 4*(mins/(px * 3/4)) int minMinutes = minPixels * 4 * WORK_DAY_MINUTES / (3 * (bottom - top)); // There are slightly fewer than half as many pixels in 1/6 the space, // so round to 2.5x for the min minutes in the non-work area int minOtherMinutes = minMinutes * 5 / 2; int lastJulianDay = firstJulianDay + dayXs.length - 1; Event event = new Event(); // Go through all the events for the week for (Event currEvent : events) { // if this event is outside the weeks range skip it if (currEvent.endDay < firstJulianDay || currEvent.startDay > lastJulianDay) { continue; } if (currEvent.drawAsAllday()) { addAllDayToStrands(currEvent, strands, firstJulianDay, dayXs.length); continue; } // Copy the event over so we can clip its start and end to our range currEvent.copyTo(event); if (event.startDay < firstJulianDay) { event.startDay = firstJulianDay; event.startTime = 0; } // If it starts after the work day make sure the start is at least // minPixels from midnight if (event.startTime > DAY_IN_MINUTES - minOtherMinutes) { event.startTime = DAY_IN_MINUTES - minOtherMinutes; } if (event.endDay > lastJulianDay) { event.endDay = lastJulianDay; event.endTime = DAY_IN_MINUTES - 1; } // If the end time is before the work day make sure it ends at least // minPixels after midnight if (event.endTime < minOtherMinutes) { event.endTime = minOtherMinutes; } // If the start and end are on the same day make sure they are at // least minPixels apart. This only needs to be done for times // outside the work day as the min distance for within the work day // is enforced in the segment code. if (event.startDay == event.endDay && event.endTime - event.startTime < minOtherMinutes) { // If it's less than minPixels in an area before the work // day if (event.startTime < WORK_DAY_START_MINUTES) { // extend the end to the first easy guarantee that it's // minPixels event.endTime = Math.min(event.startTime + minOtherMinutes, WORK_DAY_START_MINUTES + minMinutes); // if it's in the area after the work day } else if (event.endTime > WORK_DAY_END_MINUTES) { // First try shifting the end but not past midnight event.endTime = Math.min(event.endTime + minOtherMinutes, DAY_IN_MINUTES - 1); // if it's still too small move the start back if (event.endTime - event.startTime < minOtherMinutes) { event.startTime = event.endTime - minOtherMinutes; } } } // This handles adding the first segment if (segments.size() == 0) { addNewSegment(segments, event, strands, firstJulianDay, 0, minMinutes); continue; } // Now compare our current start time to the end time of the last // segment in the list DNASegment lastSegment = segments.getLast(); int startMinute = (event.startDay - firstJulianDay) * DAY_IN_MINUTES + event.startTime; int endMinute = Math.max((event.endDay - firstJulianDay) * DAY_IN_MINUTES + event.endTime, startMinute + minMinutes); if (startMinute < 0) { startMinute = 0; } if (endMinute >= WEEK_IN_MINUTES) { endMinute = WEEK_IN_MINUTES - 1; } // If we start before the last segment in the list ends we need to // start going through the list as this may conflict with other // events if (startMinute < lastSegment.endMinute) { int i = segments.size(); // find the last segment this event intersects with while (--i >= 0 && endMinute < segments.get(i).startMinute); DNASegment currSegment; // for each segment this event intersects with for (; i >= 0 && startMinute <= (currSegment = segments.get(i)).endMinute; i--) { // if the segment is already a conflict ignore it if (currSegment.color == CONFLICT_COLOR) { continue; } // if the event ends before the segment and wouldn't create // a segment that is too small split off the right side if (endMinute < currSegment.endMinute - minMinutes) { DNASegment rhs = new DNASegment(); rhs.endMinute = currSegment.endMinute; rhs.color = currSegment.color; rhs.startMinute = endMinute + 1; rhs.day = currSegment.day; currSegment.endMinute = endMinute; segments.add(i + 1, rhs); strands.get(rhs.color).count++; if (DEBUG) { Log.d(TAG, "Added rhs, curr:" + currSegment.toString() + " i:" + segments.get(i).toString()); } } // if the event starts after the segment and wouldn't create // a segment that is too small split off the left side if (startMinute > currSegment.startMinute + minMinutes) { DNASegment lhs = new DNASegment(); lhs.startMinute = currSegment.startMinute; lhs.color = currSegment.color; lhs.endMinute = startMinute - 1; lhs.day = currSegment.day; currSegment.startMinute = startMinute; // increment i so that we are at the right position when // referencing the segments to the right and left of the // current segment. segments.add(i++, lhs); strands.get(lhs.color).count++; if (DEBUG) { Log.d(TAG, "Added lhs, curr:" + currSegment.toString() + " i:" + segments.get(i).toString()); } } // if the right side is black merge this with the segment to // the right if they're on the same day and overlap if (i + 1 < segments.size()) { DNASegment rhs = segments.get(i + 1); if (rhs.color == CONFLICT_COLOR && currSegment.day == rhs.day && rhs.startMinute <= currSegment.endMinute + 1) { rhs.startMinute = Math.min(currSegment.startMinute, rhs.startMinute); segments.remove(currSegment); strands.get(currSegment.color).count--; // point at the new current segment currSegment = rhs; } } // if the left side is black merge this with the segment to // the left if they're on the same day and overlap if (i - 1 >= 0) { DNASegment lhs = segments.get(i - 1); if (lhs.color == CONFLICT_COLOR && currSegment.day == lhs.day && lhs.endMinute >= currSegment.startMinute - 1) { lhs.endMinute = Math.max(currSegment.endMinute, lhs.endMinute); segments.remove(currSegment); strands.get(currSegment.color).count--; // point at the new current segment currSegment = lhs; // point i at the new current segment in case new // code is added i--; } } // if we're still not black, decrement the count for the // color being removed, change this to black, and increment // the black count if (currSegment.color != CONFLICT_COLOR) { strands.get(currSegment.color).count--; currSegment.color = CONFLICT_COLOR; strands.get(CONFLICT_COLOR).count++; } } } // If this event extends beyond the last segment add a new segment if (endMinute > lastSegment.endMinute) { addNewSegment(segments, event, strands, firstJulianDay, lastSegment.endMinute, minMinutes); } } weaveDNAStrands(segments, firstJulianDay, strands, top, bottom, dayXs); return strands; } // This figures out allDay colors as allDay events are found private static void addAllDayToStrands(Event event, HashMap strands, int firstJulianDay, int numDays) { DNAStrand strand = getOrCreateStrand(strands, CONFLICT_COLOR); // if we haven't initialized the allDay portion create it now if (strand.allDays == null) { strand.allDays = new int[numDays]; } // For each day this event is on update the color int end = Math.min(event.endDay - firstJulianDay, numDays - 1); for (int i = Math.max(event.startDay - firstJulianDay, 0); i <= end; i++) { if (strand.allDays[i] != 0) { // if this day already had a color, it is now a conflict strand.allDays[i] = CONFLICT_COLOR; } else { // else it's just the color of the event strand.allDays[i] = event.color; } } } // This processes all the segments, sorts them by color, and generates a // list of points to draw private static void weaveDNAStrands(LinkedList segments, int firstJulianDay, HashMap strands, int top, int bottom, int[] dayXs) { // First, get rid of any colors that ended up with no segments Iterator strandIterator = strands.values().iterator(); while (strandIterator.hasNext()) { DNAStrand strand = strandIterator.next(); if (strand.count < 1 && strand.allDays == null) { strandIterator.remove(); continue; } strand.points = new float[strand.count * 4]; strand.position = 0; } // Go through each segment and compute its points for (DNASegment segment : segments) { // Add the points to the strand of that color DNAStrand strand = strands.get(segment.color); int dayIndex = segment.day - firstJulianDay; int dayStartMinute = segment.startMinute % DAY_IN_MINUTES; int dayEndMinute = segment.endMinute % DAY_IN_MINUTES; int height = bottom - top; int workDayHeight = height * 3 / 4; int remainderHeight = (height - workDayHeight) / 2; int x = dayXs[dayIndex]; int y0 = 0; int y1 = 0; y0 = top + getPixelOffsetFromMinutes(dayStartMinute, workDayHeight, remainderHeight); y1 = top + getPixelOffsetFromMinutes(dayEndMinute, workDayHeight, remainderHeight); if (DEBUG) { Log.d(TAG, "Adding " + Integer.toHexString(segment.color) + " at x,y0,y1: " + x + " " + y0 + " " + y1 + " for " + dayStartMinute + " " + dayEndMinute); } strand.points[strand.position++] = x; strand.points[strand.position++] = y0; strand.points[strand.position++] = x; strand.points[strand.position++] = y1; } } /** * Compute a pixel offset from the top for a given minute from the work day * height and the height of the top area. */ private static int getPixelOffsetFromMinutes(int minute, int workDayHeight, int remainderHeight) { int y; if (minute < WORK_DAY_START_MINUTES) { y = minute * remainderHeight / WORK_DAY_START_MINUTES; } else if (minute < WORK_DAY_END_MINUTES) { y = remainderHeight + (minute - WORK_DAY_START_MINUTES) * workDayHeight / WORK_DAY_MINUTES; } else { y = remainderHeight + workDayHeight + (minute - WORK_DAY_END_MINUTES) * remainderHeight / WORK_DAY_END_LENGTH; } return y; } /** * Add a new segment based on the event provided. This will handle splitting * segments across day boundaries and ensures a minimum size for segments. */ private static void addNewSegment(LinkedList segments, Event event, HashMap strands, int firstJulianDay, int minStart, int minMinutes) { if (event.startDay > event.endDay) { Log.wtf(TAG, "Event starts after it ends: " + event.toString()); } // If this is a multiday event split it up by day if (event.startDay != event.endDay) { Event lhs = new Event(); lhs.color = event.color; lhs.startDay = event.startDay; // the first day we want the start time to be the actual start time lhs.startTime = event.startTime; lhs.endDay = lhs.startDay; lhs.endTime = DAY_IN_MINUTES - 1; // Nearly recursive iteration! while (lhs.startDay != event.endDay) { addNewSegment(segments, lhs, strands, firstJulianDay, minStart, minMinutes); // The days in between are all day, even though that shouldn't // actually happen due to the allday filtering lhs.startDay++; lhs.endDay = lhs.startDay; lhs.startTime = 0; minStart = 0; } // The last day we want the end time to be the actual end time lhs.endTime = event.endTime; event = lhs; } // Create the new segment and compute its fields DNASegment segment = new DNASegment(); int dayOffset = (event.startDay - firstJulianDay) * DAY_IN_MINUTES; int endOfDay = dayOffset + DAY_IN_MINUTES - 1; // clip the start if needed segment.startMinute = Math.max(dayOffset + event.startTime, minStart); // and extend the end if it's too small, but not beyond the end of the // day int minEnd = Math.min(segment.startMinute + minMinutes, endOfDay); segment.endMinute = Math.max(dayOffset + event.endTime, minEnd); if (segment.endMinute > endOfDay) { segment.endMinute = endOfDay; } segment.color = event.color; segment.day = event.startDay; segments.add(segment); // increment the count for the correct color or add a new strand if we // don't have that color yet DNAStrand strand = getOrCreateStrand(strands, segment.color); strand.count++; } /** * Try to get a strand of the given color. Create it if it doesn't exist. */ private static DNAStrand getOrCreateStrand(HashMap strands, int color) { DNAStrand strand = strands.get(color); if (strand == null) { strand = new DNAStrand(); strand.color = color; strand.count = 0; strands.put(strand.color, strand); } return strand; } /** * Sends an intent to launch the top level Calendar view. * * @param context */ public static void returnToCalendarHome(Context context) { Intent launchIntent = new Intent(context, AllInOneActivity.class); launchIntent.setAction(Intent.ACTION_DEFAULT); launchIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); launchIntent.putExtra(INTENT_KEY_HOME, true); context.startActivity(launchIntent); } /** * This sets up a search view to use Calendar's search suggestions provider * and to allow refining the search. * * @param view The {@link SearchView} to set up * @param act The activity using the view */ public static void setUpSearchView(SearchView view, Activity act) { SearchManager searchManager = (SearchManager) act.getSystemService(Context.SEARCH_SERVICE); view.setSearchableInfo(searchManager.getSearchableInfo(act.getComponentName())); view.setQueryRefinementEnabled(true); } /** * Given a context and a time in millis since unix epoch figures out the * correct week of the year for that time. * * @param millisSinceEpoch * @return */ public static int getWeekNumberFromTime(long millisSinceEpoch, Context context) { Time weekTime = new Time(getTimeZone(context, null)); weekTime.set(millisSinceEpoch); weekTime.normalize(true); int firstDayOfWeek = getFirstDayOfWeek(context); // if the date is on Saturday or Sunday and the start of the week // isn't Monday we may need to shift the date to be in the correct // week if (weekTime.weekDay == Time.SUNDAY && (firstDayOfWeek == Time.SUNDAY || firstDayOfWeek == Time.SATURDAY)) { weekTime.monthDay++; weekTime.normalize(true); } else if (weekTime.weekDay == Time.SATURDAY && firstDayOfWeek == Time.SATURDAY) { weekTime.monthDay += 2; weekTime.normalize(true); } return weekTime.getWeekNumber(); } /** * Formats a day of the week string. This is either just the name of the day * or a combination of yesterday/today/tomorrow and the day of the week. * * @param julianDay The julian day to get the string for * @param todayJulianDay The julian day for today's date * @param millis A utc millis since epoch time that falls on julian day * @param context The calling context, used to get the timezone and do the * formatting * @return */ public static String getDayOfWeekString(int julianDay, int todayJulianDay, long millis, Context context) { getTimeZone(context, null); int flags = DateUtils.FORMAT_SHOW_WEEKDAY; String dayViewText; if (julianDay == todayJulianDay) { dayViewText = context.getString(R.string.agenda_today, mTZUtils.formatDateRange(context, millis, millis, flags).toString()); } else if (julianDay == todayJulianDay - 1) { dayViewText = context.getString(R.string.agenda_yesterday, mTZUtils.formatDateRange(context, millis, millis, flags).toString()); } else if (julianDay == todayJulianDay + 1) { dayViewText = context.getString(R.string.agenda_tomorrow, mTZUtils.formatDateRange(context, millis, millis, flags).toString()); } else { dayViewText = mTZUtils.formatDateRange(context, millis, millis, flags).toString(); } dayViewText = dayViewText.toUpperCase(); return dayViewText; } }