DayView.java revision 95f745f00303b00549a1d59d8ccb0b82ea91c17c
1/* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.calendar; 18 19import com.android.calendar.CalendarController.EventType; 20import com.android.calendar.CalendarController.ViewType; 21 22import android.animation.Animator; 23import android.animation.AnimatorListenerAdapter; 24import android.animation.ObjectAnimator; 25import android.animation.TypeEvaluator; 26import android.animation.ValueAnimator; 27import android.app.AlertDialog; 28import android.app.Service; 29import android.content.ContentResolver; 30import android.content.ContentUris; 31import android.content.Context; 32import android.content.DialogInterface; 33import android.content.res.Resources; 34import android.content.res.TypedArray; 35import android.database.Cursor; 36import android.graphics.Canvas; 37import android.graphics.Paint; 38import android.graphics.Paint.Align; 39import android.graphics.Paint.Style; 40import android.graphics.Rect; 41import android.graphics.Typeface; 42import android.graphics.drawable.Drawable; 43import android.net.Uri; 44import android.os.Handler; 45import android.provider.CalendarContract.Attendees; 46import android.provider.CalendarContract.Calendars; 47import android.provider.CalendarContract.Events; 48import android.text.Layout.Alignment; 49import android.text.SpannableStringBuilder; 50import android.text.StaticLayout; 51import android.text.TextPaint; 52import android.text.TextUtils; 53import android.text.format.DateFormat; 54import android.text.format.DateUtils; 55import android.text.format.Time; 56import android.text.style.StyleSpan; 57import android.util.Log; 58import android.view.ContextMenu; 59import android.view.ContextMenu.ContextMenuInfo; 60import android.view.GestureDetector; 61import android.view.Gravity; 62import android.view.KeyEvent; 63import android.view.LayoutInflater; 64import android.view.MenuItem; 65import android.view.MotionEvent; 66import android.view.ScaleGestureDetector; 67import android.view.View; 68import android.view.ViewConfiguration; 69import android.view.ViewGroup; 70import android.view.WindowManager; 71import android.view.accessibility.AccessibilityEvent; 72import android.view.accessibility.AccessibilityManager; 73import android.view.animation.AccelerateDecelerateInterpolator; 74import android.view.animation.Animation; 75import android.view.animation.Interpolator; 76import android.view.animation.TranslateAnimation; 77import android.widget.EdgeEffect; 78import android.widget.ImageView; 79import android.widget.OverScroller; 80import android.widget.PopupWindow; 81import android.widget.TextView; 82import android.widget.ViewSwitcher; 83 84import java.util.ArrayList; 85import java.util.Arrays; 86import java.util.Calendar; 87import java.util.Formatter; 88import java.util.Locale; 89import java.util.regex.Matcher; 90import java.util.regex.Pattern; 91 92/** 93 * View for multi-day view. So far only 1 and 7 day have been tested. 94 */ 95public class DayView extends View implements View.OnCreateContextMenuListener, 96 ScaleGestureDetector.OnScaleGestureListener, View.OnClickListener, View.OnLongClickListener 97 { 98 private static String TAG = "DayView"; 99 private static boolean DEBUG = false; 100 private static boolean DEBUG_SCALING = false; 101 private static final String PERIOD_SPACE = ". "; 102 103 private static float mScale = 0; // Used for supporting different screen densities 104 private static final long INVALID_EVENT_ID = -1; //This is used for remembering a null event 105 // Duration of the allday expansion 106 private static final long ANIMATION_DURATION = 400; 107 // duration of the more allday event text fade 108 private static final long ANIMATION_SECONDARY_DURATION = 200; 109 110 private static final int MENU_AGENDA = 2; 111 private static final int MENU_DAY = 3; 112 private static final int MENU_EVENT_VIEW = 5; 113 private static final int MENU_EVENT_CREATE = 6; 114 private static final int MENU_EVENT_EDIT = 7; 115 private static final int MENU_EVENT_DELETE = 8; 116 117 private static int DEFAULT_CELL_HEIGHT = 64; 118 private static int MAX_CELL_HEIGHT = 150; 119 private static int MIN_Y_SPAN = 100; 120 121 private boolean mOnFlingCalled; 122 private boolean mStartingScroll = false; 123 /** 124 * ID of the last event which was displayed with the toast popup. 125 * 126 * This is used to prevent popping up multiple quick views for the same event, especially 127 * during calendar syncs. This becomes valid when an event is selected, either by default 128 * on starting calendar or by scrolling to an event. It becomes invalid when the user 129 * explicitly scrolls to an empty time slot, changes views, or deletes the event. 130 */ 131 private long mLastPopupEventID; 132 133 protected Context mContext; 134 135 private static final String[] CALENDARS_PROJECTION = new String[] { 136 Calendars._ID, // 0 137 Calendars.CALENDAR_ACCESS_LEVEL, // 1 138 Calendars.OWNER_ACCOUNT, // 2 139 }; 140 private static final int CALENDARS_INDEX_ACCESS_LEVEL = 1; 141 private static final int CALENDARS_INDEX_OWNER_ACCOUNT = 2; 142 private static final String CALENDARS_WHERE = Calendars._ID + "=%d"; 143 144 private static final int FROM_NONE = 0; 145 private static final int FROM_ABOVE = 1; 146 private static final int FROM_BELOW = 2; 147 private static final int FROM_LEFT = 4; 148 private static final int FROM_RIGHT = 8; 149 150 private static final int ACCESS_LEVEL_NONE = 0; 151 private static final int ACCESS_LEVEL_DELETE = 1; 152 private static final int ACCESS_LEVEL_EDIT = 2; 153 154 private static int mHorizontalSnapBackThreshold = 128; 155 156 private ContinueScroll mContinueScroll = new ContinueScroll(); 157 158 // Make this visible within the package for more informative debugging 159 Time mBaseDate; 160 private Time mCurrentTime; 161 //Update the current time line every five minutes if the window is left open that long 162 private static final int UPDATE_CURRENT_TIME_DELAY = 300000; 163 private UpdateCurrentTime mUpdateCurrentTime = new UpdateCurrentTime(); 164 private int mTodayJulianDay; 165 166 private Typeface mBold = Typeface.DEFAULT_BOLD; 167 private int mFirstJulianDay; 168 private int mLastJulianDay; 169 170 private int mMonthLength; 171 private int mFirstVisibleDate; 172 private int mFirstVisibleDayOfWeek; 173 private int[] mEarliestStartHour; // indexed by the week day offset 174 private boolean[] mHasAllDayEvent; // indexed by the week day offset 175 private String mEventCountTemplate; 176 private CharSequence[] mLongPressItems; 177 private String mLongPressTitle; 178 179 protected static StringBuilder mStringBuilder = new StringBuilder(50); 180 // TODO recreate formatter when locale changes 181 protected static Formatter mFormatter = new Formatter(mStringBuilder, Locale.getDefault()); 182 183 private Runnable mTZUpdater = new Runnable() { 184 @Override 185 public void run() { 186 String tz = Utils.getTimeZone(mContext, this); 187 mBaseDate.timezone = tz; 188 mBaseDate.normalize(true); 189 mCurrentTime.switchTimezone(tz); 190 invalidate(); 191 } 192 }; 193 194 AnimatorListenerAdapter mAnimatorListener = new AnimatorListenerAdapter() { 195 @Override 196 public void onAnimationStart(Animator animation) { 197 mScrolling = true; 198 } 199 200 @Override 201 public void onAnimationCancel(Animator animation) { 202 mScrolling = false; 203 } 204 205 @Override 206 public void onAnimationEnd(Animator animation) { 207 mScrolling = false; 208 resetSelectedHour(); 209 invalidate(); 210 } 211 }; 212 213 /** 214 * This variable helps to avoid unnecessarily reloading events by keeping 215 * track of the start millis parameter used for the most recent loading 216 * of events. If the next reload matches this, then the events are not 217 * reloaded. To force a reload, set this to zero (this is set to zero 218 * in the method clearCachedEvents()). 219 */ 220 private long mLastReloadMillis; 221 222 private ArrayList<Event> mEvents = new ArrayList<Event>(); 223 private ArrayList<Event> mAllDayEvents = new ArrayList<Event>(); 224 private StaticLayout[] mLayouts = null; 225 private StaticLayout[] mAllDayLayouts = null; 226 private int mSelectionDay; // Julian day 227 private int mSelectionHour; 228 229 boolean mSelectionAllday; 230 231 private int mLastSelectionDay; 232 private int mLastSelectionHour; 233 private Event mLastSelectedEvent; 234 235 /** Width of a day or non-conflicting event */ 236 private int mCellWidth; 237 238 // Pre-allocate these objects and re-use them 239 private Rect mRect = new Rect(); 240 private Rect mDestRect = new Rect(); 241 private Rect mSelectionRect = new Rect(); 242 // This encloses the more allDay events icon 243 private Rect mExpandAllDayRect = new Rect(); 244 // TODO Clean up paint usage 245 private Paint mPaint = new Paint(); 246 private Paint mEventTextPaint = new Paint(); 247 private Paint mSelectionPaint = new Paint(); 248 private float[] mLines; 249 250 private int mFirstDayOfWeek; // First day of the week 251 252 private PopupWindow mPopup; 253 private View mPopupView; 254 255 // The number of milliseconds to show the popup window 256 private static final int POPUP_DISMISS_DELAY = 3000; 257 private DismissPopup mDismissPopup = new DismissPopup(); 258 259 private boolean mRemeasure = true; 260 261 private final EventLoader mEventLoader; 262 protected final EventGeometry mEventGeometry; 263 264 private static float GRID_LINE_LEFT_MARGIN = 0; 265 private static final float GRID_LINE_INNER_WIDTH = 1; 266 267 private static final int DAY_GAP = 1; 268 private static final int HOUR_GAP = 1; 269 // This is the standard height of an allday event with no restrictions 270 private static int SINGLE_ALLDAY_HEIGHT = 34; 271 /** 272 * This is the minimum desired height of a allday event. 273 * When unexpanded, allday events will use this height. 274 * When expanded allDay events will attempt to grow to fit all 275 * events at this height. 276 */ 277 private static float MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT = 28.0F; // in pixels 278 /** 279 * This is how big the unexpanded allday height is allowed to be. 280 * It will get adjusted based on screen size 281 */ 282 private static int MAX_UNEXPANDED_ALLDAY_HEIGHT = 283 (int) (MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT * 4); 284 /** 285 * This is the minimum size reserved for displaying regular events. 286 * The expanded allDay region can't expand into this. 287 */ 288 private static int MIN_HOURS_HEIGHT = 180; 289 private static int ALLDAY_TOP_MARGIN = 1; 290 // The largest a single allDay event will become. 291 private static int MAX_HEIGHT_OF_ONE_ALLDAY_EVENT = 34; 292 293 private static int HOURS_TOP_MARGIN = 2; 294 private static int HOURS_LEFT_MARGIN = 2; 295 private static int HOURS_RIGHT_MARGIN = 4; 296 private static int HOURS_MARGIN = HOURS_LEFT_MARGIN + HOURS_RIGHT_MARGIN; 297 private static int NEW_EVENT_MARGIN = 4; 298 private static int NEW_EVENT_WIDTH = 5; 299 private static int NEW_EVENT_MAX_LENGTH = 16; 300 301 private static int CURRENT_TIME_LINE_HEIGHT = 2; 302 private static int CURRENT_TIME_LINE_BORDER_WIDTH = 1; 303 private static int CURRENT_TIME_LINE_SIDE_BUFFER = 4; 304 private static int CURRENT_TIME_LINE_TOP_OFFSET = 2; 305 306 /* package */ static final int MINUTES_PER_HOUR = 60; 307 /* package */ static final int MINUTES_PER_DAY = MINUTES_PER_HOUR * 24; 308 /* package */ static final int MILLIS_PER_MINUTE = 60 * 1000; 309 /* package */ static final int MILLIS_PER_HOUR = (3600 * 1000); 310 /* package */ static final int MILLIS_PER_DAY = MILLIS_PER_HOUR * 24; 311 312 private static final int DECLINED_ALPHA = 0x66000000; 313 // More events text will transition between invisible and this alpha 314 private static final int MORE_EVENTS_MAX_ALPHA = 0x4C; 315 private static int DAY_HEADER_ONE_DAY_LEFT_MARGIN = 0; 316 private static int DAY_HEADER_ONE_DAY_RIGHT_MARGIN = 5; 317 private static int DAY_HEADER_ONE_DAY_BOTTOM_MARGIN = 6; 318 private static int DAY_HEADER_LEFT_MARGIN = 5; 319 private static int DAY_HEADER_RIGHT_MARGIN = 4; 320 private static int DAY_HEADER_BOTTOM_MARGIN = 3; 321 private static float DAY_HEADER_FONT_SIZE = 14; 322 private static float DATE_HEADER_FONT_SIZE = 32; 323 private static float NORMAL_FONT_SIZE = 12; 324 private static float EVENT_TEXT_FONT_SIZE = 12; 325 private static float HOURS_TEXT_SIZE = 12; 326 private static float AMPM_TEXT_SIZE = 9; 327 private static int MIN_HOURS_WIDTH = 96; 328 private static int MIN_CELL_WIDTH_FOR_TEXT = 20; 329 private static final int MAX_EVENT_TEXT_LEN = 500; 330 // smallest height to draw an event with 331 private static float MIN_EVENT_HEIGHT = 24.0F; // in pixels 332 private static int CALENDAR_COLOR_SQUARE_SIZE = 10; 333 private static int EVENT_RECT_TOP_MARGIN = 1; 334 private static int EVENT_RECT_BOTTOM_MARGIN = 0; 335 private static int EVENT_RECT_LEFT_MARGIN = 1; 336 private static int EVENT_RECT_RIGHT_MARGIN = 0; 337 private static int EVENT_RECT_STROKE_WIDTH = 2; 338 private static int EVENT_TEXT_TOP_MARGIN = 2; 339 private static int EVENT_TEXT_BOTTOM_MARGIN = 2; 340 private static int EVENT_TEXT_LEFT_MARGIN = 6; 341 private static int EVENT_TEXT_RIGHT_MARGIN = 6; 342 private static int ALL_DAY_EVENT_RECT_BOTTOM_MARGIN = 1; 343 private static int EVENT_ALL_DAY_TEXT_TOP_MARGIN = EVENT_TEXT_TOP_MARGIN; 344 private static int EVENT_ALL_DAY_TEXT_BOTTOM_MARGIN = EVENT_TEXT_BOTTOM_MARGIN; 345 private static int EVENT_ALL_DAY_TEXT_LEFT_MARGIN = EVENT_TEXT_LEFT_MARGIN; 346 private static int EVENT_ALL_DAY_TEXT_RIGHT_MARGIN = EVENT_TEXT_RIGHT_MARGIN; 347 // margins and sizing for the expand allday icon 348 private static int EXPAND_ALL_DAY_BOTTOM_MARGIN = 10; 349 // sizing for "box +n" in allDay events 350 private static int EVENT_SQUARE_WIDTH = 10; 351 private static int EVENT_LINE_PADDING = 4; 352 353 private static int mPressedColor; 354 private static int mEventTextColor; 355 private static int mMoreEventsTextColor; 356 357 private static int mWeek_saturdayColor; 358 private static int mWeek_sundayColor; 359 private static int mCalendarDateBannerTextColor; 360 private static int mCalendarAmPmLabel; 361 private static int mCalendarGridAreaSelected; 362 private static int mCalendarGridLineInnerHorizontalColor; 363 private static int mCalendarGridLineInnerVerticalColor; 364 private static int mFutureBgColor; 365 private static int mBgColor; 366 private static int mCalendarHourLabelColor; 367 private static int mMoreAlldayEventsTextAlpha = MORE_EVENTS_MAX_ALPHA; 368 369 private float mAnimationDistance = 0; 370 private int mViewStartX; 371 private int mViewStartY; 372 private int mMaxViewStartY; 373 private int mViewHeight; 374 private int mViewWidth; 375 private int mGridAreaHeight = -1; 376 private static int mCellHeight = 0; // shared among all DayViews 377 private static int mMinCellHeight = 32; 378 private int mScrollStartY; 379 private int mPreviousDirection; 380 381 /** 382 * Vertical distance or span between the two touch points at the start of a 383 * scaling gesture 384 */ 385 private float mStartingSpanY = 0; 386 /** Height of 1 hour in pixels at the start of a scaling gesture */ 387 private int mCellHeightBeforeScaleGesture; 388 /** The hour at the center two touch points */ 389 private float mGestureCenterHour = 0; 390 /** 391 * Flag to decide whether to handle the up event. Cases where up events 392 * should be ignored are 1) right after a scale gesture and 2) finger was 393 * down before app launch 394 */ 395 private boolean mHandleActionUp = true; 396 397 private int mHoursTextHeight; 398 /** 399 * The height of the area used for allday events 400 */ 401 private int mAlldayHeight; 402 /** 403 * The height of the allday event area used during animation 404 */ 405 private int mAnimateDayHeight = 0; 406 /** 407 * The height of an individual allday event during animation 408 */ 409 private int mAnimateDayEventHeight = (int) MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT; 410 /** 411 * Whether to use the expand or collapse icon. 412 */ 413 private static boolean mUseExpandIcon = true; 414 /** 415 * The height of the day names/numbers 416 */ 417 private static int DAY_HEADER_HEIGHT = 45; 418 /** 419 * The height of the day names/numbers for multi-day views 420 */ 421 private static int MULTI_DAY_HEADER_HEIGHT = DAY_HEADER_HEIGHT; 422 /** 423 * The height of the day names/numbers when viewing a single day 424 */ 425 private static int ONE_DAY_HEADER_HEIGHT = DAY_HEADER_HEIGHT; 426 /** 427 * Max of all day events in a given day in this view. 428 */ 429 private int mMaxAlldayEvents; 430 /** 431 * A count of the number of allday events that were not drawn for each day 432 */ 433 private int[] mSkippedAlldayEvents; 434 /** 435 * The number of allDay events at which point we start hiding allDay events. 436 */ 437 private int mMaxUnexpandedAlldayEventCount = 4; 438 /** 439 * Whether or not to expand the allDay area to fill the screen 440 */ 441 private static boolean mShowAllAllDayEvents = false; 442 443 protected int mNumDays = 7; 444 private int mNumHours = 10; 445 446 /** Width of the time line (list of hours) to the left. */ 447 private int mHoursWidth; 448 private int mDateStrWidth; 449 /** Top of the scrollable region i.e. below date labels and all day events */ 450 private int mFirstCell; 451 /** First fully visibile hour */ 452 private int mFirstHour = -1; 453 /** Distance between the mFirstCell and the top of first fully visible hour. */ 454 private int mFirstHourOffset; 455 private String[] mHourStrs; 456 private String[] mDayStrs; 457 private String[] mDayStrs2Letter; 458 private boolean mIs24HourFormat; 459 460 private ArrayList<Event> mSelectedEvents = new ArrayList<Event>(); 461 private boolean mComputeSelectedEvents; 462 private boolean mUpdateToast; 463 private Event mSelectedEvent; 464 private Event mPrevSelectedEvent; 465 private Rect mPrevBox = new Rect(); 466 protected final Resources mResources; 467 protected final Drawable mCurrentTimeLine; 468 protected final Drawable mTodayHeaderDrawable; 469 protected final Drawable mExpandAlldayDrawable; 470 protected final Drawable mCollapseAlldayDrawable; 471 protected Drawable mAcceptedOrTentativeEventBoxDrawable; 472 private String mAmString; 473 private String mPmString; 474 private DeleteEventHelper mDeleteEventHelper; 475 private static int sCounter = 0; 476 477 private ContextMenuHandler mContextMenuHandler = new ContextMenuHandler(); 478 479 ScaleGestureDetector mScaleGestureDetector; 480 481 /** 482 * The initial state of the touch mode when we enter this view. 483 */ 484 private static final int TOUCH_MODE_INITIAL_STATE = 0; 485 486 /** 487 * Indicates we just received the touch event and we are waiting to see if 488 * it is a tap or a scroll gesture. 489 */ 490 private static final int TOUCH_MODE_DOWN = 1; 491 492 /** 493 * Indicates the touch gesture is a vertical scroll 494 */ 495 private static final int TOUCH_MODE_VSCROLL = 0x20; 496 497 /** 498 * Indicates the touch gesture is a horizontal scroll 499 */ 500 private static final int TOUCH_MODE_HSCROLL = 0x40; 501 502 private int mTouchMode = TOUCH_MODE_INITIAL_STATE; 503 504 /** 505 * The selection modes are HIDDEN, PRESSED, SELECTED, and LONGPRESS. 506 */ 507 private static final int SELECTION_HIDDEN = 0; 508 private static final int SELECTION_PRESSED = 1; // D-pad down but not up yet 509 private static final int SELECTION_SELECTED = 2; 510 private static final int SELECTION_LONGPRESS = 3; 511 512 private int mSelectionMode = SELECTION_HIDDEN; 513 514 private boolean mScrolling = false; 515 516 private float mInitialScrollX; 517 private float mInitialScrollY; 518 519 // Animates the height of the allday region 520 ObjectAnimator mAlldayAnimator; 521 // Animates the height of events in the allday region 522 ObjectAnimator mAlldayEventAnimator; 523 // Animates the transparency of the more events text 524 ObjectAnimator mMoreAlldayEventsAnimator; 525 // whether or not an event is stopping because it was cancelled 526 private boolean mCancellingAnimations = false; 527 // tracks whether a touch originated in the allday area 528 private boolean mTouchStartedInAlldayArea = false; 529 530 private CalendarController mController; 531 private ViewSwitcher mViewSwitcher; 532 private GestureDetector mGestureDetector; 533 private OverScroller mScroller; 534 private EdgeEffect mEdgeEffectTop; 535 private EdgeEffect mEdgeEffectBottom; 536 private boolean mCallEdgeEffectOnAbsorb; 537 private final int OVERFLING_DISTANCE; 538 private float mLastVelocity; 539 540 private ScrollInterpolator mHScrollInterpolator; 541 private AccessibilityManager mAccessibilityMgr = null; 542 private boolean mIsAccessibilityEnabled = false; 543 private boolean mTouchExplorationEnabled = false; 544 private String mCreateNewEventString; 545 546 public DayView(Context context, CalendarController controller, 547 ViewSwitcher viewSwitcher, EventLoader eventLoader, int numDays) { 548 super(context); 549 mContext = context; 550 initAccessibilityVariables(); 551 552 mResources = context.getResources(); 553 mCreateNewEventString = mResources.getString(R.string.event_create); 554 555 DATE_HEADER_FONT_SIZE = (int) mResources.getDimension(R.dimen.date_header_text_size); 556 DAY_HEADER_FONT_SIZE = (int) mResources.getDimension(R.dimen.day_label_text_size); 557 ONE_DAY_HEADER_HEIGHT = (int) mResources.getDimension(R.dimen.one_day_header_height); 558 DAY_HEADER_BOTTOM_MARGIN = (int) mResources.getDimension(R.dimen.day_header_bottom_margin); 559 EXPAND_ALL_DAY_BOTTOM_MARGIN = (int) mResources.getDimension(R.dimen.all_day_bottom_margin); 560 HOURS_TEXT_SIZE = (int) mResources.getDimension(R.dimen.hours_text_size); 561 AMPM_TEXT_SIZE = (int) mResources.getDimension(R.dimen.ampm_text_size); 562 MIN_HOURS_WIDTH = (int) mResources.getDimension(R.dimen.min_hours_width); 563 HOURS_LEFT_MARGIN = (int) mResources.getDimension(R.dimen.hours_left_margin); 564 HOURS_RIGHT_MARGIN = (int) mResources.getDimension(R.dimen.hours_right_margin); 565 MULTI_DAY_HEADER_HEIGHT = (int) mResources.getDimension(R.dimen.day_header_height); 566 EVENT_TEXT_FONT_SIZE = (int) mResources.getDimension(R.dimen.event_text_size); 567 MIN_EVENT_HEIGHT = mResources.getDimension(R.dimen.event_min_height); 568 MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT = MIN_EVENT_HEIGHT; 569 EVENT_TEXT_TOP_MARGIN = (int) mResources.getDimension(R.dimen.event_text_vertical_margin); 570 EVENT_TEXT_BOTTOM_MARGIN = EVENT_TEXT_TOP_MARGIN; 571 EVENT_ALL_DAY_TEXT_TOP_MARGIN = EVENT_TEXT_TOP_MARGIN; 572 EVENT_ALL_DAY_TEXT_BOTTOM_MARGIN = EVENT_TEXT_TOP_MARGIN; 573 574 EVENT_TEXT_LEFT_MARGIN = (int) mResources 575 .getDimension(R.dimen.event_text_horizontal_margin); 576 EVENT_TEXT_RIGHT_MARGIN = EVENT_TEXT_LEFT_MARGIN; 577 EVENT_ALL_DAY_TEXT_LEFT_MARGIN = EVENT_TEXT_LEFT_MARGIN; 578 EVENT_ALL_DAY_TEXT_RIGHT_MARGIN = EVENT_TEXT_LEFT_MARGIN; 579 580 if (mScale == 0) { 581 582 mScale = mResources.getDisplayMetrics().density; 583 if (mScale != 1) { 584 SINGLE_ALLDAY_HEIGHT *= mScale; 585 ALLDAY_TOP_MARGIN *= mScale; 586 MAX_HEIGHT_OF_ONE_ALLDAY_EVENT *= mScale; 587 588 NORMAL_FONT_SIZE *= mScale; 589 GRID_LINE_LEFT_MARGIN *= mScale; 590 HOURS_TOP_MARGIN *= mScale; 591 MIN_CELL_WIDTH_FOR_TEXT *= mScale; 592 MAX_UNEXPANDED_ALLDAY_HEIGHT *= mScale; 593 mAnimateDayEventHeight = (int) MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT; 594 595 CURRENT_TIME_LINE_HEIGHT *= mScale; 596 CURRENT_TIME_LINE_BORDER_WIDTH *= mScale; 597 CURRENT_TIME_LINE_SIDE_BUFFER *= mScale; 598 CURRENT_TIME_LINE_TOP_OFFSET *= mScale; 599 600 MIN_Y_SPAN *= mScale; 601 MAX_CELL_HEIGHT *= mScale; 602 DEFAULT_CELL_HEIGHT *= mScale; 603 DAY_HEADER_HEIGHT *= mScale; 604 DAY_HEADER_LEFT_MARGIN *= mScale; 605 DAY_HEADER_RIGHT_MARGIN *= mScale; 606 DAY_HEADER_ONE_DAY_LEFT_MARGIN *= mScale; 607 DAY_HEADER_ONE_DAY_RIGHT_MARGIN *= mScale; 608 DAY_HEADER_ONE_DAY_BOTTOM_MARGIN *= mScale; 609 CALENDAR_COLOR_SQUARE_SIZE *= mScale; 610 EVENT_RECT_TOP_MARGIN *= mScale; 611 EVENT_RECT_BOTTOM_MARGIN *= mScale; 612 ALL_DAY_EVENT_RECT_BOTTOM_MARGIN *= mScale; 613 EVENT_RECT_LEFT_MARGIN *= mScale; 614 EVENT_RECT_RIGHT_MARGIN *= mScale; 615 EVENT_RECT_STROKE_WIDTH *= mScale; 616 EVENT_SQUARE_WIDTH *= mScale; 617 EVENT_LINE_PADDING *= mScale; 618 NEW_EVENT_MARGIN *= mScale; 619 NEW_EVENT_WIDTH *= mScale; 620 NEW_EVENT_MAX_LENGTH *= mScale; 621 } 622 } 623 HOURS_MARGIN = HOURS_LEFT_MARGIN + HOURS_RIGHT_MARGIN; 624 DAY_HEADER_HEIGHT = numDays == 1 ? ONE_DAY_HEADER_HEIGHT : MULTI_DAY_HEADER_HEIGHT; 625 626 mCurrentTimeLine = mResources.getDrawable(R.drawable.timeline_indicator_holo_light); 627 mTodayHeaderDrawable = mResources.getDrawable(R.drawable.today_blue_week_holo_light); 628 mExpandAlldayDrawable = mResources.getDrawable(R.drawable.ic_allday_expand_holo_light); 629 mCollapseAlldayDrawable = mResources.getDrawable(R.drawable.ic_allday_collapse_holo_light); 630 mAcceptedOrTentativeEventBoxDrawable = mResources 631 .getDrawable(R.drawable.panel_month_event_holo_light); 632 633 mEventLoader = eventLoader; 634 mEventGeometry = new EventGeometry(); 635 mEventGeometry.setMinEventHeight(MIN_EVENT_HEIGHT); 636 mEventGeometry.setHourGap(HOUR_GAP); 637 mEventGeometry.setCellMargin(DAY_GAP); 638 mLongPressItems = new CharSequence[] { 639 mResources.getString(R.string.new_event_dialog_option) 640 }; 641 mLongPressTitle = mResources.getString(R.string.new_event_dialog_label); 642 mDeleteEventHelper = new DeleteEventHelper(context, null, false /* don't exit when done */); 643 mLastPopupEventID = INVALID_EVENT_ID; 644 mController = controller; 645 mViewSwitcher = viewSwitcher; 646 mGestureDetector = new GestureDetector(context, new CalendarGestureListener()); 647 mScaleGestureDetector = new ScaleGestureDetector(getContext(), this); 648 mNumDays = numDays; 649 if (mCellHeight == 0) { 650 mCellHeight = Utils.getSharedPreference(mContext, 651 GeneralPreferences.KEY_DEFAULT_CELL_HEIGHT, DEFAULT_CELL_HEIGHT); 652 } 653 mScroller = new OverScroller(context); 654 mHScrollInterpolator = new ScrollInterpolator(); 655 mEdgeEffectTop = new EdgeEffect(context); 656 mEdgeEffectBottom = new EdgeEffect(context); 657 OVERFLING_DISTANCE = ViewConfiguration.get(context).getScaledOverflingDistance(); 658 659 init(context); 660 } 661 662 private void init(Context context) { 663 setFocusable(true); 664 665 // Allow focus in touch mode so that we can do keyboard shortcuts 666 // even after we've entered touch mode. 667 setFocusableInTouchMode(true); 668 setClickable(true); 669 setOnCreateContextMenuListener(this); 670 671 mFirstDayOfWeek = Utils.getFirstDayOfWeek(context); 672 673 mCurrentTime = new Time(Utils.getTimeZone(context, mTZUpdater)); 674 long currentTime = System.currentTimeMillis(); 675 mCurrentTime.set(currentTime); 676 //The % makes it go off at the next increment of 5 minutes. 677 postDelayed(mUpdateCurrentTime, 678 UPDATE_CURRENT_TIME_DELAY - (currentTime % UPDATE_CURRENT_TIME_DELAY)); 679 mTodayJulianDay = Time.getJulianDay(currentTime, mCurrentTime.gmtoff); 680 681 mWeek_saturdayColor = mResources.getColor(R.color.week_saturday); 682 mWeek_sundayColor = mResources.getColor(R.color.week_sunday); 683 mCalendarDateBannerTextColor = mResources.getColor(R.color.calendar_date_banner_text_color); 684 mFutureBgColor = mResources.getColor(R.color.calendar_future_bg_color); 685 mBgColor = mResources.getColor(R.color.calendar_hour_background); 686 mCalendarAmPmLabel = mResources.getColor(R.color.calendar_ampm_label); 687 mCalendarGridAreaSelected = mResources.getColor(R.color.calendar_grid_area_selected); 688 mCalendarGridLineInnerHorizontalColor = mResources 689 .getColor(R.color.calendar_grid_line_inner_horizontal_color); 690 mCalendarGridLineInnerVerticalColor = mResources 691 .getColor(R.color.calendar_grid_line_inner_vertical_color); 692 mCalendarHourLabelColor = mResources.getColor(R.color.calendar_hour_label); 693 mPressedColor = mResources.getColor(R.color.pressed); 694 mEventTextColor = mResources.getColor(R.color.calendar_event_text_color); 695 mMoreEventsTextColor = mResources.getColor(R.color.month_event_other_color); 696 697 mEventTextPaint.setTextSize(EVENT_TEXT_FONT_SIZE); 698 mEventTextPaint.setTextAlign(Paint.Align.LEFT); 699 mEventTextPaint.setAntiAlias(true); 700 701 int gridLineColor = mResources.getColor(R.color.calendar_grid_line_highlight_color); 702 Paint p = mSelectionPaint; 703 p.setColor(gridLineColor); 704 p.setStyle(Style.FILL); 705 p.setAntiAlias(false); 706 707 p = mPaint; 708 p.setAntiAlias(true); 709 710 // Allocate space for 2 weeks worth of weekday names so that we can 711 // easily start the week display at any week day. 712 mDayStrs = new String[14]; 713 714 // Also create an array of 2-letter abbreviations. 715 mDayStrs2Letter = new String[14]; 716 717 for (int i = Calendar.SUNDAY; i <= Calendar.SATURDAY; i++) { 718 int index = i - Calendar.SUNDAY; 719 // e.g. Tue for Tuesday 720 mDayStrs[index] = DateUtils.getDayOfWeekString(i, DateUtils.LENGTH_MEDIUM) 721 .toUpperCase(); 722 mDayStrs[index + 7] = mDayStrs[index]; 723 // e.g. Tu for Tuesday 724 mDayStrs2Letter[index] = DateUtils.getDayOfWeekString(i, DateUtils.LENGTH_SHORT) 725 .toUpperCase(); 726 727 // If we don't have 2-letter day strings, fall back to 1-letter. 728 if (mDayStrs2Letter[index].equals(mDayStrs[index])) { 729 mDayStrs2Letter[index] = DateUtils.getDayOfWeekString(i, DateUtils.LENGTH_SHORTEST); 730 } 731 732 mDayStrs2Letter[index + 7] = mDayStrs2Letter[index]; 733 } 734 735 // Figure out how much space we need for the 3-letter abbrev names 736 // in the worst case. 737 p.setTextSize(DATE_HEADER_FONT_SIZE); 738 p.setTypeface(mBold); 739 String[] dateStrs = {" 28", " 30"}; 740 mDateStrWidth = computeMaxStringWidth(0, dateStrs, p); 741 p.setTextSize(DAY_HEADER_FONT_SIZE); 742 mDateStrWidth += computeMaxStringWidth(0, mDayStrs, p); 743 744 p.setTextSize(HOURS_TEXT_SIZE); 745 p.setTypeface(null); 746 handleOnResume(); 747 748 mAmString = DateUtils.getAMPMString(Calendar.AM).toUpperCase(); 749 mPmString = DateUtils.getAMPMString(Calendar.PM).toUpperCase(); 750 String[] ampm = {mAmString, mPmString}; 751 p.setTextSize(AMPM_TEXT_SIZE); 752 mHoursWidth = Math.max(HOURS_MARGIN, computeMaxStringWidth(mHoursWidth, ampm, p) 753 + HOURS_RIGHT_MARGIN); 754 mHoursWidth = Math.max(MIN_HOURS_WIDTH, mHoursWidth); 755 756 LayoutInflater inflater; 757 inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 758 mPopupView = inflater.inflate(R.layout.bubble_event, null); 759 mPopupView.setLayoutParams(new ViewGroup.LayoutParams( 760 ViewGroup.LayoutParams.MATCH_PARENT, 761 ViewGroup.LayoutParams.WRAP_CONTENT)); 762 mPopup = new PopupWindow(context); 763 mPopup.setContentView(mPopupView); 764 Resources.Theme dialogTheme = getResources().newTheme(); 765 dialogTheme.applyStyle(android.R.style.Theme_Dialog, true); 766 TypedArray ta = dialogTheme.obtainStyledAttributes(new int[] { 767 android.R.attr.windowBackground }); 768 mPopup.setBackgroundDrawable(ta.getDrawable(0)); 769 ta.recycle(); 770 771 // Enable touching the popup window 772 mPopupView.setOnClickListener(this); 773 // Catch long clicks for creating a new event 774 setOnLongClickListener(this); 775 776 mBaseDate = new Time(Utils.getTimeZone(context, mTZUpdater)); 777 long millis = System.currentTimeMillis(); 778 mBaseDate.set(millis); 779 780 mEarliestStartHour = new int[mNumDays]; 781 mHasAllDayEvent = new boolean[mNumDays]; 782 783 // mLines is the array of points used with Canvas.drawLines() in 784 // drawGridBackground() and drawAllDayEvents(). Its size depends 785 // on the max number of lines that can ever be drawn by any single 786 // drawLines() call in either of those methods. 787 final int maxGridLines = (24 + 1) // max horizontal lines we might draw 788 + (mNumDays + 1); // max vertical lines we might draw 789 mLines = new float[maxGridLines * 4]; 790 } 791 792 /** 793 * This is called when the popup window is pressed. 794 */ 795 public void onClick(View v) { 796 if (v == mPopupView) { 797 // Pretend it was a trackball click because that will always 798 // jump to the "View event" screen. 799 switchViews(true /* trackball */); 800 } 801 } 802 803 public void handleOnResume() { 804 initAccessibilityVariables(); 805 mIs24HourFormat = DateFormat.is24HourFormat(mContext); 806 mHourStrs = mIs24HourFormat ? CalendarData.s24Hours : CalendarData.s12HoursNoAmPm; 807 mFirstDayOfWeek = Utils.getFirstDayOfWeek(mContext); 808 mLastSelectionDay = 0; 809 mLastSelectionHour = 0; 810 mLastSelectedEvent = null; 811 } 812 813 private void initAccessibilityVariables() { 814 mAccessibilityMgr = (AccessibilityManager) mContext 815 .getSystemService(Service.ACCESSIBILITY_SERVICE); 816 mIsAccessibilityEnabled = mAccessibilityMgr != null && mAccessibilityMgr.isEnabled(); 817 mTouchExplorationEnabled = isTouchExplorationEnabled(); 818 } 819 820 /** 821 * Returns the start of the selected time in milliseconds since the epoch. 822 * 823 * @return selected time in UTC milliseconds since the epoch. 824 */ 825 long getSelectedTimeInMillis() { 826 Time time = new Time(mBaseDate); 827 time.setJulianDay(mSelectionDay); 828 time.hour = mSelectionHour; 829 830 // We ignore the "isDst" field because we want normalize() to figure 831 // out the correct DST value and not adjust the selected time based 832 // on the current setting of DST. 833 return time.normalize(true /* ignore isDst */); 834 } 835 836 Time getSelectedTime() { 837 Time time = new Time(mBaseDate); 838 time.setJulianDay(mSelectionDay); 839 time.hour = mSelectionHour; 840 841 // We ignore the "isDst" field because we want normalize() to figure 842 // out the correct DST value and not adjust the selected time based 843 // on the current setting of DST. 844 time.normalize(true /* ignore isDst */); 845 return time; 846 } 847 848 /** 849 * Returns the start of the selected time in minutes since midnight, 850 * local time. The derived class must ensure that this is consistent 851 * with the return value from getSelectedTimeInMillis(). 852 */ 853 int getSelectedMinutesSinceMidnight() { 854 return mSelectionHour * MINUTES_PER_HOUR; 855 } 856 857 int getFirstVisibleHour() { 858 return mFirstHour; 859 } 860 861 void setFirstVisibleHour(int firstHour) { 862 mFirstHour = firstHour; 863 mFirstHourOffset = 0; 864 } 865 866 public void setSelected(Time time, boolean ignoreTime) { 867 mBaseDate.set(time); 868 mSelectionHour = mBaseDate.hour; 869 mSelectedEvent = null; 870 mPrevSelectedEvent = null; 871 long millis = mBaseDate.toMillis(false /* use isDst */); 872 mSelectionDay = Time.getJulianDay(millis, mBaseDate.gmtoff); 873 mSelectedEvents.clear(); 874 mComputeSelectedEvents = true; 875 876 int gotoY = Integer.MIN_VALUE; 877 878 if (!ignoreTime && mGridAreaHeight != -1) { 879 int lastHour = 0; 880 881 if (mBaseDate.hour < mFirstHour) { 882 // Above visible region 883 gotoY = mBaseDate.hour * (mCellHeight + HOUR_GAP); 884 } else { 885 lastHour = (mGridAreaHeight - mFirstHourOffset) / (mCellHeight + HOUR_GAP) 886 + mFirstHour; 887 888 if (mBaseDate.hour >= lastHour) { 889 // Below visible region 890 891 // target hour + 1 (to give it room to see the event) - 892 // grid height (to get the y of the top of the visible 893 // region) 894 gotoY = (int) ((mBaseDate.hour + 1 + mBaseDate.minute / 60.0f) 895 * (mCellHeight + HOUR_GAP) - mGridAreaHeight); 896 } 897 } 898 899 if (DEBUG) { 900 Log.e(TAG, "Go " + gotoY + " 1st " + mFirstHour + ":" + mFirstHourOffset + "CH " 901 + (mCellHeight + HOUR_GAP) + " lh " + lastHour + " gh " + mGridAreaHeight 902 + " ymax " + mMaxViewStartY); 903 } 904 905 if (gotoY > mMaxViewStartY) { 906 gotoY = mMaxViewStartY; 907 } else if (gotoY < 0 && gotoY != Integer.MIN_VALUE) { 908 gotoY = 0; 909 } 910 } 911 912 recalc(); 913 914 mRemeasure = true; 915 invalidate(); 916 917 if (gotoY != Integer.MIN_VALUE) { 918 TypeEvaluator<Object> evaluator = new TypeEvaluator<Object>() { 919 @Override 920 public Object evaluate(float fraction, Object startValue, Object endValue) { 921 int start = (Integer) startValue; 922 int end = (Integer) endValue; 923 final int newValue = (int) ((end - start) * fraction + start); 924 setViewStartY(newValue); 925 return new Integer(newValue); 926 } 927 }; 928 ValueAnimator scrollAnim = ObjectAnimator.ofObject(evaluator, new Integer(mViewStartY), 929 new Integer(gotoY)); 930// TODO The following line is supposed to replace the two statements above. 931// Need to investigate why it's not working. 932 933// ValueAnimator scrollAnim = ObjectAnimator.ofInt(this, "viewStartY", mViewStartY, gotoY); 934 scrollAnim.setDuration(200); 935 scrollAnim.setInterpolator(new AccelerateDecelerateInterpolator()); 936 scrollAnim.addListener(mAnimatorListener); 937 scrollAnim.start(); 938 } 939 sendAccessibilityEventAsNeeded(false); 940 } 941 942 public void setViewStartY(int viewStartY) { 943 if (viewStartY > mMaxViewStartY) { 944 viewStartY = mMaxViewStartY; 945 } 946 947 mViewStartY = viewStartY; 948 949 computeFirstHour(); 950 invalidate(); 951 } 952 953 public Time getSelectedDay() { 954 Time time = new Time(mBaseDate); 955 time.setJulianDay(mSelectionDay); 956 time.hour = mSelectionHour; 957 958 // We ignore the "isDst" field because we want normalize() to figure 959 // out the correct DST value and not adjust the selected time based 960 // on the current setting of DST. 961 time.normalize(true /* ignore isDst */); 962 return time; 963 } 964 965 public void updateTitle() { 966 Time start = new Time(mBaseDate); 967 start.normalize(true); 968 Time end = new Time(start); 969 end.monthDay += mNumDays - 1; 970 // Move it forward one minute so the formatter doesn't lose a day 971 end.minute += 1; 972 end.normalize(true); 973 974 long formatFlags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR; 975 if (mNumDays != 1) { 976 // Don't show day of the month if for multi-day view 977 formatFlags |= DateUtils.FORMAT_NO_MONTH_DAY; 978 979 // Abbreviate the month if showing multiple months 980 if (start.month != end.month) { 981 formatFlags |= DateUtils.FORMAT_ABBREV_MONTH; 982 } 983 } 984 985 mController.sendEvent(this, EventType.UPDATE_TITLE, start, end, null, -1, ViewType.CURRENT, 986 formatFlags, null, null); 987 } 988 989 /** 990 * return a negative number if "time" is comes before the visible time 991 * range, a positive number if "time" is after the visible time range, and 0 992 * if it is in the visible time range. 993 */ 994 public int compareToVisibleTimeRange(Time time) { 995 996 int savedHour = mBaseDate.hour; 997 int savedMinute = mBaseDate.minute; 998 int savedSec = mBaseDate.second; 999 1000 mBaseDate.hour = 0; 1001 mBaseDate.minute = 0; 1002 mBaseDate.second = 0; 1003 1004 if (DEBUG) { 1005 Log.d(TAG, "Begin " + mBaseDate.toString()); 1006 Log.d(TAG, "Diff " + time.toString()); 1007 } 1008 1009 // Compare beginning of range 1010 int diff = Time.compare(time, mBaseDate); 1011 if (diff > 0) { 1012 // Compare end of range 1013 mBaseDate.monthDay += mNumDays; 1014 mBaseDate.normalize(true); 1015 diff = Time.compare(time, mBaseDate); 1016 1017 if (DEBUG) Log.d(TAG, "End " + mBaseDate.toString()); 1018 1019 mBaseDate.monthDay -= mNumDays; 1020 mBaseDate.normalize(true); 1021 if (diff < 0) { 1022 // in visible time 1023 diff = 0; 1024 } else if (diff == 0) { 1025 // Midnight of following day 1026 diff = 1; 1027 } 1028 } 1029 1030 if (DEBUG) Log.d(TAG, "Diff: " + diff); 1031 1032 mBaseDate.hour = savedHour; 1033 mBaseDate.minute = savedMinute; 1034 mBaseDate.second = savedSec; 1035 return diff; 1036 } 1037 1038 private void recalc() { 1039 // Set the base date to the beginning of the week if we are displaying 1040 // 7 days at a time. 1041 if (mNumDays == 7) { 1042 adjustToBeginningOfWeek(mBaseDate); 1043 } 1044 1045 final long start = mBaseDate.toMillis(false /* use isDst */); 1046 mFirstJulianDay = Time.getJulianDay(start, mBaseDate.gmtoff); 1047 mLastJulianDay = mFirstJulianDay + mNumDays - 1; 1048 1049 mMonthLength = mBaseDate.getActualMaximum(Time.MONTH_DAY); 1050 mFirstVisibleDate = mBaseDate.monthDay; 1051 mFirstVisibleDayOfWeek = mBaseDate.weekDay; 1052 } 1053 1054 private void adjustToBeginningOfWeek(Time time) { 1055 int dayOfWeek = time.weekDay; 1056 int diff = dayOfWeek - mFirstDayOfWeek; 1057 if (diff != 0) { 1058 if (diff < 0) { 1059 diff += 7; 1060 } 1061 time.monthDay -= diff; 1062 time.normalize(true /* ignore isDst */); 1063 } 1064 } 1065 1066 @Override 1067 protected void onSizeChanged(int width, int height, int oldw, int oldh) { 1068 mViewWidth = width; 1069 mViewHeight = height; 1070 mEdgeEffectTop.setSize(mViewWidth, mViewHeight); 1071 mEdgeEffectBottom.setSize(mViewWidth, mViewHeight); 1072 int gridAreaWidth = width - mHoursWidth; 1073 mCellWidth = (gridAreaWidth - (mNumDays * DAY_GAP)) / mNumDays; 1074 1075 // This would be about 1 day worth in a 7 day view 1076 mHorizontalSnapBackThreshold = width / 7; 1077 1078 Paint p = new Paint(); 1079 p.setTextSize(HOURS_TEXT_SIZE); 1080 mHoursTextHeight = (int) Math.abs(p.ascent()); 1081 remeasure(width, height); 1082 } 1083 1084 /** 1085 * Measures the space needed for various parts of the view after 1086 * loading new events. This can change if there are all-day events. 1087 */ 1088 private void remeasure(int width, int height) { 1089 // Shrink to fit available space but make sure we can display at least two events 1090 MAX_UNEXPANDED_ALLDAY_HEIGHT = (int) (MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT * 4); 1091 MAX_UNEXPANDED_ALLDAY_HEIGHT = Math.min(MAX_UNEXPANDED_ALLDAY_HEIGHT, height / 6); 1092 MAX_UNEXPANDED_ALLDAY_HEIGHT = Math.max(MAX_UNEXPANDED_ALLDAY_HEIGHT, 1093 (int) MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT * 2); 1094 mMaxUnexpandedAlldayEventCount = 1095 (int) (MAX_UNEXPANDED_ALLDAY_HEIGHT / MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT); 1096 1097 // First, clear the array of earliest start times, and the array 1098 // indicating presence of an all-day event. 1099 for (int day = 0; day < mNumDays; day++) { 1100 mEarliestStartHour[day] = 25; // some big number 1101 mHasAllDayEvent[day] = false; 1102 } 1103 1104 int maxAllDayEvents = mMaxAlldayEvents; 1105 1106 // The min is where 24 hours cover the entire visible area 1107 mMinCellHeight = Math.max((height - DAY_HEADER_HEIGHT) / 24, (int) MIN_EVENT_HEIGHT); 1108 if (mCellHeight < mMinCellHeight) { 1109 mCellHeight = mMinCellHeight; 1110 } 1111 1112 // Calculate mAllDayHeight 1113 mFirstCell = DAY_HEADER_HEIGHT; 1114 int allDayHeight = 0; 1115 if (maxAllDayEvents > 0) { 1116 int maxAllAllDayHeight = height - DAY_HEADER_HEIGHT - MIN_HOURS_HEIGHT; 1117 // If there is at most one all-day event per day, then use less 1118 // space (but more than the space for a single event). 1119 if (maxAllDayEvents == 1) { 1120 allDayHeight = SINGLE_ALLDAY_HEIGHT; 1121 } else if (maxAllDayEvents <= mMaxUnexpandedAlldayEventCount){ 1122 // Allow the all-day area to grow in height depending on the 1123 // number of all-day events we need to show, up to a limit. 1124 allDayHeight = maxAllDayEvents * MAX_HEIGHT_OF_ONE_ALLDAY_EVENT; 1125 if (allDayHeight > MAX_UNEXPANDED_ALLDAY_HEIGHT) { 1126 allDayHeight = MAX_UNEXPANDED_ALLDAY_HEIGHT; 1127 } 1128 } else { 1129 // if we have more than the magic number, check if we're animating 1130 // and if not adjust the sizes appropriately 1131 if (mAnimateDayHeight != 0) { 1132 // Don't shrink the space past the final allDay space. The animation 1133 // continues to hide the last event so the more events text can 1134 // fade in. 1135 allDayHeight = Math.max(mAnimateDayHeight, MAX_UNEXPANDED_ALLDAY_HEIGHT); 1136 } else { 1137 // Try to fit all the events in 1138 allDayHeight = (int) (maxAllDayEvents * MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT); 1139 // But clip the area depending on which mode we're in 1140 if (!mShowAllAllDayEvents && allDayHeight > MAX_UNEXPANDED_ALLDAY_HEIGHT) { 1141 allDayHeight = (int) (mMaxUnexpandedAlldayEventCount * 1142 MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT); 1143 } else if (allDayHeight > maxAllAllDayHeight) { 1144 allDayHeight = maxAllAllDayHeight; 1145 } 1146 } 1147 } 1148 mFirstCell = DAY_HEADER_HEIGHT + allDayHeight + ALLDAY_TOP_MARGIN; 1149 } else { 1150 mSelectionAllday = false; 1151 } 1152 mAlldayHeight = allDayHeight; 1153 1154 mGridAreaHeight = height - mFirstCell; 1155 1156 // Set up the expand icon position 1157 int allDayIconWidth = mExpandAlldayDrawable.getIntrinsicWidth(); 1158 mExpandAllDayRect.left = Math.max((mHoursWidth - allDayIconWidth) / 2, 1159 EVENT_ALL_DAY_TEXT_LEFT_MARGIN); 1160 mExpandAllDayRect.right = Math.min(mExpandAllDayRect.left + allDayIconWidth, mHoursWidth 1161 - EVENT_ALL_DAY_TEXT_RIGHT_MARGIN); 1162 mExpandAllDayRect.bottom = mFirstCell - EXPAND_ALL_DAY_BOTTOM_MARGIN; 1163 mExpandAllDayRect.top = mExpandAllDayRect.bottom 1164 - mExpandAlldayDrawable.getIntrinsicHeight(); 1165 1166 mNumHours = mGridAreaHeight / (mCellHeight + HOUR_GAP); 1167 mEventGeometry.setHourHeight(mCellHeight); 1168 1169 final long minimumDurationMillis = (long) 1170 (MIN_EVENT_HEIGHT * DateUtils.MINUTE_IN_MILLIS / (mCellHeight / 60.0f)); 1171 Event.computePositions(mEvents, minimumDurationMillis); 1172 1173 // Compute the top of our reachable view 1174 mMaxViewStartY = HOUR_GAP + 24 * (mCellHeight + HOUR_GAP) - mGridAreaHeight; 1175 if (DEBUG) { 1176 Log.e(TAG, "mViewStartY: " + mViewStartY); 1177 Log.e(TAG, "mMaxViewStartY: " + mMaxViewStartY); 1178 } 1179 if (mViewStartY > mMaxViewStartY) { 1180 mViewStartY = mMaxViewStartY; 1181 computeFirstHour(); 1182 } 1183 1184 if (mFirstHour == -1) { 1185 initFirstHour(); 1186 mFirstHourOffset = 0; 1187 } 1188 1189 // When we change the base date, the number of all-day events may 1190 // change and that changes the cell height. When we switch dates, 1191 // we use the mFirstHourOffset from the previous view, but that may 1192 // be too large for the new view if the cell height is smaller. 1193 if (mFirstHourOffset >= mCellHeight + HOUR_GAP) { 1194 mFirstHourOffset = mCellHeight + HOUR_GAP - 1; 1195 } 1196 mViewStartY = mFirstHour * (mCellHeight + HOUR_GAP) - mFirstHourOffset; 1197 1198 final int eventAreaWidth = mNumDays * (mCellWidth + DAY_GAP); 1199 //When we get new events we don't want to dismiss the popup unless the event changes 1200 if (mSelectedEvent != null && mLastPopupEventID != mSelectedEvent.id) { 1201 mPopup.dismiss(); 1202 } 1203 mPopup.setWidth(eventAreaWidth - 20); 1204 mPopup.setHeight(WindowManager.LayoutParams.WRAP_CONTENT); 1205 } 1206 1207 /** 1208 * Initialize the state for another view. The given view is one that has 1209 * its own bitmap and will use an animation to replace the current view. 1210 * The current view and new view are either both Week views or both Day 1211 * views. They differ in their base date. 1212 * 1213 * @param view the view to initialize. 1214 */ 1215 private void initView(DayView view) { 1216 view.mSelectionHour = mSelectionHour; 1217 view.mSelectedEvents.clear(); 1218 view.mComputeSelectedEvents = true; 1219 view.mFirstHour = mFirstHour; 1220 view.mFirstHourOffset = mFirstHourOffset; 1221 view.remeasure(getWidth(), getHeight()); 1222 view.initAllDayHeights(); 1223 1224 view.mSelectedEvent = null; 1225 view.mPrevSelectedEvent = null; 1226 view.mFirstDayOfWeek = mFirstDayOfWeek; 1227 if (view.mEvents.size() > 0) { 1228 view.mSelectionAllday = mSelectionAllday; 1229 } else { 1230 view.mSelectionAllday = false; 1231 } 1232 1233 // Redraw the screen so that the selection box will be redrawn. We may 1234 // have scrolled to a different part of the day in some other view 1235 // so the selection box in this view may no longer be visible. 1236 view.recalc(); 1237 } 1238 1239 /** 1240 * Switch to another view based on what was selected (an event or a free 1241 * slot) and how it was selected (by touch or by trackball). 1242 * 1243 * @param trackBallSelection true if the selection was made using the 1244 * trackball. 1245 */ 1246 private void switchViews(boolean trackBallSelection) { 1247 Event selectedEvent = mSelectedEvent; 1248 1249 mPopup.dismiss(); 1250 mLastPopupEventID = INVALID_EVENT_ID; 1251 if (mNumDays > 1) { 1252 // This is the Week view. 1253 // With touch, we always switch to Day/Agenda View 1254 // With track ball, if we selected a free slot, then create an event. 1255 // If we selected a specific event, switch to EventInfo view. 1256 if (trackBallSelection) { 1257 if (selectedEvent == null) { 1258 // Switch to the EditEvent view 1259 long startMillis = getSelectedTimeInMillis(); 1260 long endMillis = startMillis + DateUtils.HOUR_IN_MILLIS; 1261 long extraLong = 0; 1262 if (mSelectionAllday) { 1263 extraLong = CalendarController.EXTRA_CREATE_ALL_DAY; 1264 } 1265 mController.sendEventRelatedEventWithExtra(this, EventType.CREATE_EVENT, -1, 1266 startMillis, endMillis, -1, -1, extraLong, -1); 1267 } else { 1268 if (mIsAccessibilityEnabled) { 1269 mAccessibilityMgr.interrupt(); 1270 } 1271 // Switch to the EventInfo view 1272 mController.sendEventRelatedEvent(this, EventType.VIEW_EVENT, selectedEvent.id, 1273 selectedEvent.startMillis, selectedEvent.endMillis, 0, 0, 1274 getSelectedTimeInMillis()); 1275 } 1276 } else { 1277 // This was a touch selection. If the touch selected a single 1278 // unambiguous event, then view that event. Otherwise go to 1279 // Day/Agenda view. 1280 if (mSelectedEvents.size() == 1) { 1281 if (mIsAccessibilityEnabled) { 1282 mAccessibilityMgr.interrupt(); 1283 } 1284 mController.sendEventRelatedEvent(this, EventType.VIEW_EVENT, selectedEvent.id, 1285 selectedEvent.startMillis, selectedEvent.endMillis, 0, 0, 1286 getSelectedTimeInMillis()); 1287 } 1288 } 1289 } else { 1290 // This is the Day view. 1291 // If we selected a free slot, then create an event. 1292 // If we selected an event, then go to the EventInfo view. 1293 if (selectedEvent == null) { 1294 // Switch to the EditEvent view 1295 long startMillis = getSelectedTimeInMillis(); 1296 long endMillis = startMillis + DateUtils.HOUR_IN_MILLIS; 1297 long extraLong = 0; 1298 if (mSelectionAllday) { 1299 extraLong = CalendarController.EXTRA_CREATE_ALL_DAY; 1300 } 1301 mController.sendEventRelatedEventWithExtra(this, EventType.CREATE_EVENT, -1, 1302 startMillis, endMillis, -1, -1, extraLong, -1); 1303 } else { 1304 if (mIsAccessibilityEnabled) { 1305 mAccessibilityMgr.interrupt(); 1306 } 1307 mController.sendEventRelatedEvent(this, EventType.VIEW_EVENT, selectedEvent.id, 1308 selectedEvent.startMillis, selectedEvent.endMillis, 0, 0, 1309 getSelectedTimeInMillis()); 1310 } 1311 } 1312 } 1313 1314 @Override 1315 public boolean onKeyUp(int keyCode, KeyEvent event) { 1316 mScrolling = false; 1317 long duration = event.getEventTime() - event.getDownTime(); 1318 1319 switch (keyCode) { 1320 case KeyEvent.KEYCODE_DPAD_CENTER: 1321 if (mSelectionMode == SELECTION_HIDDEN) { 1322 // Don't do anything unless the selection is visible. 1323 break; 1324 } 1325 1326 if (mSelectionMode == SELECTION_PRESSED) { 1327 // This was the first press when there was nothing selected. 1328 // Change the selection from the "pressed" state to the 1329 // the "selected" state. We treat short-press and 1330 // long-press the same here because nothing was selected. 1331 mSelectionMode = SELECTION_SELECTED; 1332 invalidate(); 1333 break; 1334 } 1335 1336 // Check the duration to determine if this was a short press 1337 if (duration < ViewConfiguration.getLongPressTimeout()) { 1338 switchViews(true /* trackball */); 1339 } else { 1340 mSelectionMode = SELECTION_LONGPRESS; 1341 invalidate(); 1342 performLongClick(); 1343 } 1344 break; 1345// case KeyEvent.KEYCODE_BACK: 1346// if (event.isTracking() && !event.isCanceled()) { 1347// mPopup.dismiss(); 1348// mContext.finish(); 1349// return true; 1350// } 1351// break; 1352 } 1353 return super.onKeyUp(keyCode, event); 1354 } 1355 1356 @Override 1357 public boolean onKeyDown(int keyCode, KeyEvent event) { 1358 if (mSelectionMode == SELECTION_HIDDEN) { 1359 if (keyCode == KeyEvent.KEYCODE_ENTER || keyCode == KeyEvent.KEYCODE_DPAD_RIGHT 1360 || keyCode == KeyEvent.KEYCODE_DPAD_LEFT || keyCode == KeyEvent.KEYCODE_DPAD_UP 1361 || keyCode == KeyEvent.KEYCODE_DPAD_DOWN) { 1362 // Display the selection box but don't move or select it 1363 // on this key press. 1364 mSelectionMode = SELECTION_SELECTED; 1365 invalidate(); 1366 return true; 1367 } else if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) { 1368 // Display the selection box but don't select it 1369 // on this key press. 1370 mSelectionMode = SELECTION_PRESSED; 1371 invalidate(); 1372 return true; 1373 } 1374 } 1375 1376 mSelectionMode = SELECTION_SELECTED; 1377 mScrolling = false; 1378 boolean redraw; 1379 int selectionDay = mSelectionDay; 1380 1381 switch (keyCode) { 1382 case KeyEvent.KEYCODE_DEL: 1383 // Delete the selected event, if any 1384 Event selectedEvent = mSelectedEvent; 1385 if (selectedEvent == null) { 1386 return false; 1387 } 1388 mPopup.dismiss(); 1389 mLastPopupEventID = INVALID_EVENT_ID; 1390 1391 long begin = selectedEvent.startMillis; 1392 long end = selectedEvent.endMillis; 1393 long id = selectedEvent.id; 1394 mDeleteEventHelper.delete(begin, end, id, -1); 1395 return true; 1396 case KeyEvent.KEYCODE_ENTER: 1397 switchViews(true /* trackball or keyboard */); 1398 return true; 1399 case KeyEvent.KEYCODE_BACK: 1400 if (event.getRepeatCount() == 0) { 1401 event.startTracking(); 1402 return true; 1403 } 1404 return super.onKeyDown(keyCode, event); 1405 case KeyEvent.KEYCODE_DPAD_LEFT: 1406 if (mSelectedEvent != null) { 1407 mSelectedEvent = mSelectedEvent.nextLeft; 1408 } 1409 if (mSelectedEvent == null) { 1410 mLastPopupEventID = INVALID_EVENT_ID; 1411 selectionDay -= 1; 1412 } 1413 redraw = true; 1414 break; 1415 1416 case KeyEvent.KEYCODE_DPAD_RIGHT: 1417 if (mSelectedEvent != null) { 1418 mSelectedEvent = mSelectedEvent.nextRight; 1419 } 1420 if (mSelectedEvent == null) { 1421 mLastPopupEventID = INVALID_EVENT_ID; 1422 selectionDay += 1; 1423 } 1424 redraw = true; 1425 break; 1426 1427 case KeyEvent.KEYCODE_DPAD_UP: 1428 if (mSelectedEvent != null) { 1429 mSelectedEvent = mSelectedEvent.nextUp; 1430 } 1431 if (mSelectedEvent == null) { 1432 mLastPopupEventID = INVALID_EVENT_ID; 1433 if (!mSelectionAllday) { 1434 mSelectionHour -= 1; 1435 adjustHourSelection(); 1436 mSelectedEvents.clear(); 1437 mComputeSelectedEvents = true; 1438 } 1439 } 1440 redraw = true; 1441 break; 1442 1443 case KeyEvent.KEYCODE_DPAD_DOWN: 1444 if (mSelectedEvent != null) { 1445 mSelectedEvent = mSelectedEvent.nextDown; 1446 } 1447 if (mSelectedEvent == null) { 1448 mLastPopupEventID = INVALID_EVENT_ID; 1449 if (mSelectionAllday) { 1450 mSelectionAllday = false; 1451 } else { 1452 mSelectionHour++; 1453 adjustHourSelection(); 1454 mSelectedEvents.clear(); 1455 mComputeSelectedEvents = true; 1456 } 1457 } 1458 redraw = true; 1459 break; 1460 1461 default: 1462 return super.onKeyDown(keyCode, event); 1463 } 1464 1465 if ((selectionDay < mFirstJulianDay) || (selectionDay > mLastJulianDay)) { 1466 DayView view = (DayView) mViewSwitcher.getNextView(); 1467 Time date = view.mBaseDate; 1468 date.set(mBaseDate); 1469 if (selectionDay < mFirstJulianDay) { 1470 date.monthDay -= mNumDays; 1471 } else { 1472 date.monthDay += mNumDays; 1473 } 1474 date.normalize(true /* ignore isDst */); 1475 view.mSelectionDay = selectionDay; 1476 1477 initView(view); 1478 1479 Time end = new Time(date); 1480 end.monthDay += mNumDays - 1; 1481 mController.sendEvent(this, EventType.GO_TO, date, end, -1, ViewType.CURRENT); 1482 return true; 1483 } 1484 if (mSelectionDay != selectionDay) { 1485 Time date = new Time(mBaseDate); 1486 date.setJulianDay(selectionDay); 1487 date.hour = mSelectionHour; 1488 mController.sendEvent(this, EventType.GO_TO, date, date, -1, ViewType.CURRENT); 1489 } 1490 mSelectionDay = selectionDay; 1491 mSelectedEvents.clear(); 1492 mComputeSelectedEvents = true; 1493 mUpdateToast = true; 1494 1495 if (redraw) { 1496 invalidate(); 1497 return true; 1498 } 1499 1500 return super.onKeyDown(keyCode, event); 1501 } 1502 1503 1504 @Override 1505 public boolean onHoverEvent(MotionEvent event) { 1506 if (DEBUG) { 1507 int action = event.getAction(); 1508 switch (action) { 1509 case MotionEvent.ACTION_HOVER_ENTER: 1510 Log.e(TAG, "ACTION_HOVER_ENTER"); 1511 break; 1512 case MotionEvent.ACTION_HOVER_MOVE: 1513 Log.e(TAG, "ACTION_HOVER_MOVE"); 1514 break; 1515 case MotionEvent.ACTION_HOVER_EXIT: 1516 Log.e(TAG, "ACTION_HOVER_EXIT"); 1517 break; 1518 default: 1519 Log.e(TAG, "Unknown hover event action. " + event); 1520 } 1521 } 1522 1523 // Mouse also generates hover events 1524 // Send accessibility events if accessibility and exploration are on. 1525 if (!mTouchExplorationEnabled) { 1526 return super.onHoverEvent(event); 1527 } 1528 if (event.getAction() != MotionEvent.ACTION_HOVER_EXIT) { 1529 setSelectionFromPosition((int) event.getX(), (int) event.getY()); 1530 invalidate(); 1531 } 1532 return true; 1533 } 1534 1535 private boolean isTouchExplorationEnabled() { 1536 return mIsAccessibilityEnabled && mAccessibilityMgr.isTouchExplorationEnabled(); 1537 } 1538 1539 private void sendAccessibilityEventAsNeeded(boolean speakEvents) { 1540 if (!mIsAccessibilityEnabled) { 1541 return; 1542 } 1543 boolean dayChanged = mLastSelectionDay != mSelectionDay; 1544 boolean hourChanged = mLastSelectionHour != mSelectionHour; 1545 if (dayChanged || hourChanged || mLastSelectedEvent != mSelectedEvent) { 1546 mLastSelectionDay = mSelectionDay; 1547 mLastSelectionHour = mSelectionHour; 1548 mLastSelectedEvent = mSelectedEvent; 1549 1550 StringBuilder b = new StringBuilder(); 1551 1552 // Announce only the changes i.e. day or hour or both 1553 if (dayChanged) { 1554 b.append(getSelectedTime().format("%A ")); 1555 } 1556 if (hourChanged) { 1557 b.append(getSelectedTime().format(mIs24HourFormat ? "%k" : "%l%p")); 1558 } 1559 if (dayChanged || hourChanged) { 1560 b.append(PERIOD_SPACE); 1561 } 1562 1563 if (speakEvents) { 1564 if (mEventCountTemplate == null) { 1565 mEventCountTemplate = mContext.getString(R.string.template_announce_item_index); 1566 } 1567 1568 // Read out the relevant event(s) 1569 int numEvents = mSelectedEvents.size(); 1570 if (numEvents > 0) { 1571 if (mSelectedEvent == null) { 1572 // Read out all the events 1573 int i = 1; 1574 for (Event calEvent : mSelectedEvents) { 1575 if (numEvents > 1) { 1576 // Read out x of numEvents if there are more than one event 1577 mStringBuilder.setLength(0); 1578 b.append(mFormatter.format(mEventCountTemplate, i++, numEvents)); 1579 b.append(" "); 1580 } 1581 appendEventAccessibilityString(b, calEvent); 1582 } 1583 } else { 1584 if (numEvents > 1) { 1585 // Read out x of numEvents if there are more than one event 1586 mStringBuilder.setLength(0); 1587 b.append(mFormatter.format(mEventCountTemplate, mSelectedEvents 1588 .indexOf(mSelectedEvent) + 1, numEvents)); 1589 b.append(" "); 1590 } 1591 appendEventAccessibilityString(b, mSelectedEvent); 1592 } 1593 } else { 1594 b.append(mCreateNewEventString); 1595 } 1596 } 1597 1598 if (dayChanged || hourChanged || speakEvents) { 1599 AccessibilityEvent event = AccessibilityEvent 1600 .obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED); 1601 CharSequence msg = b.toString(); 1602 event.getText().add(msg); 1603 event.setAddedCount(msg.length()); 1604 sendAccessibilityEventUnchecked(event); 1605 } 1606 } 1607 } 1608 1609 /** 1610 * @param b 1611 * @param calEvent 1612 */ 1613 private void appendEventAccessibilityString(StringBuilder b, Event calEvent) { 1614 b.append(calEvent.getTitleAndLocation()); 1615 b.append(PERIOD_SPACE); 1616 String when; 1617 int flags = DateUtils.FORMAT_SHOW_DATE; 1618 if (calEvent.allDay) { 1619 flags |= DateUtils.FORMAT_UTC | DateUtils.FORMAT_SHOW_WEEKDAY; 1620 } else { 1621 flags |= DateUtils.FORMAT_SHOW_TIME; 1622 if (DateFormat.is24HourFormat(mContext)) { 1623 flags |= DateUtils.FORMAT_24HOUR; 1624 } 1625 } 1626 when = Utils.formatDateRange(mContext, calEvent.startMillis, calEvent.endMillis, flags); 1627 b.append(when); 1628 b.append(PERIOD_SPACE); 1629 } 1630 1631 private class GotoBroadcaster implements Animation.AnimationListener { 1632 private final int mCounter; 1633 private final Time mStart; 1634 private final Time mEnd; 1635 1636 public GotoBroadcaster(Time start, Time end) { 1637 mCounter = ++sCounter; 1638 mStart = start; 1639 mEnd = end; 1640 } 1641 1642 @Override 1643 public void onAnimationEnd(Animation animation) { 1644 DayView view = (DayView) mViewSwitcher.getCurrentView(); 1645 view.mViewStartX = 0; 1646 view = (DayView) mViewSwitcher.getNextView(); 1647 view.mViewStartX = 0; 1648 1649 if (mCounter == sCounter) { 1650 mController.sendEvent(this, EventType.GO_TO, mStart, mEnd, null, -1, 1651 ViewType.CURRENT, CalendarController.EXTRA_GOTO_DATE, null, null); 1652 } 1653 } 1654 1655 @Override 1656 public void onAnimationRepeat(Animation animation) { 1657 } 1658 1659 @Override 1660 public void onAnimationStart(Animation animation) { 1661 } 1662 } 1663 1664 private View switchViews(boolean forward, float xOffSet, float width, float velocity) { 1665 mAnimationDistance = width - xOffSet; 1666 if (DEBUG) { 1667 Log.d(TAG, "switchViews(" + forward + ") O:" + xOffSet + " Dist:" + mAnimationDistance); 1668 } 1669 1670 float progress = Math.abs(xOffSet) / width; 1671 if (progress > 1.0f) { 1672 progress = 1.0f; 1673 } 1674 1675 float inFromXValue, inToXValue; 1676 float outFromXValue, outToXValue; 1677 if (forward) { 1678 inFromXValue = 1.0f - progress; 1679 inToXValue = 0.0f; 1680 outFromXValue = -progress; 1681 outToXValue = -1.0f; 1682 } else { 1683 inFromXValue = progress - 1.0f; 1684 inToXValue = 0.0f; 1685 outFromXValue = progress; 1686 outToXValue = 1.0f; 1687 } 1688 1689 final Time start = new Time(mBaseDate.timezone); 1690 start.set(mController.getTime()); 1691 if (forward) { 1692 start.monthDay += mNumDays; 1693 } else { 1694 start.monthDay -= mNumDays; 1695 } 1696 mController.setTime(start.normalize(true)); 1697 1698 Time newSelected = start; 1699 1700 if (mNumDays == 7) { 1701 newSelected = new Time(start); 1702 adjustToBeginningOfWeek(start); 1703 } 1704 1705 final Time end = new Time(start); 1706 end.monthDay += mNumDays - 1; 1707 1708 // We have to allocate these animation objects each time we switch views 1709 // because that is the only way to set the animation parameters. 1710 TranslateAnimation inAnimation = new TranslateAnimation( 1711 Animation.RELATIVE_TO_SELF, inFromXValue, 1712 Animation.RELATIVE_TO_SELF, inToXValue, 1713 Animation.ABSOLUTE, 0.0f, 1714 Animation.ABSOLUTE, 0.0f); 1715 1716 TranslateAnimation outAnimation = new TranslateAnimation( 1717 Animation.RELATIVE_TO_SELF, outFromXValue, 1718 Animation.RELATIVE_TO_SELF, outToXValue, 1719 Animation.ABSOLUTE, 0.0f, 1720 Animation.ABSOLUTE, 0.0f); 1721 1722 long duration = calculateDuration(width - Math.abs(xOffSet), width, velocity); 1723 inAnimation.setDuration(duration); 1724 inAnimation.setInterpolator(mHScrollInterpolator); 1725 outAnimation.setInterpolator(mHScrollInterpolator); 1726 outAnimation.setDuration(duration); 1727 outAnimation.setAnimationListener(new GotoBroadcaster(start, end)); 1728 mViewSwitcher.setInAnimation(inAnimation); 1729 mViewSwitcher.setOutAnimation(outAnimation); 1730 1731 DayView view = (DayView) mViewSwitcher.getCurrentView(); 1732 view.cleanup(); 1733 mViewSwitcher.showNext(); 1734 view = (DayView) mViewSwitcher.getCurrentView(); 1735 view.setSelected(newSelected, true); 1736 view.requestFocus(); 1737 view.reloadEvents(); 1738 view.updateTitle(); 1739 1740 return view; 1741 } 1742 1743 // This is called after scrolling stops to move the selected hour 1744 // to the visible part of the screen. 1745 private void resetSelectedHour() { 1746 if (mSelectionHour < mFirstHour + 1) { 1747 mSelectionHour = mFirstHour + 1; 1748 mSelectedEvent = null; 1749 mSelectedEvents.clear(); 1750 mComputeSelectedEvents = true; 1751 } else if (mSelectionHour > mFirstHour + mNumHours - 3) { 1752 mSelectionHour = mFirstHour + mNumHours - 3; 1753 mSelectedEvent = null; 1754 mSelectedEvents.clear(); 1755 mComputeSelectedEvents = true; 1756 } 1757 } 1758 1759 private void initFirstHour() { 1760 mFirstHour = mSelectionHour - mNumHours / 5; 1761 if (mFirstHour < 0) { 1762 mFirstHour = 0; 1763 } else if (mFirstHour + mNumHours > 24) { 1764 mFirstHour = 24 - mNumHours; 1765 } 1766 } 1767 1768 /** 1769 * Recomputes the first full hour that is visible on screen after the 1770 * screen is scrolled. 1771 */ 1772 private void computeFirstHour() { 1773 // Compute the first full hour that is visible on screen 1774 mFirstHour = (mViewStartY + mCellHeight + HOUR_GAP - 1) / (mCellHeight + HOUR_GAP); 1775 mFirstHourOffset = mFirstHour * (mCellHeight + HOUR_GAP) - mViewStartY; 1776 } 1777 1778 private void adjustHourSelection() { 1779 if (mSelectionHour < 0) { 1780 mSelectionHour = 0; 1781 if (mMaxAlldayEvents > 0) { 1782 mPrevSelectedEvent = null; 1783 mSelectionAllday = true; 1784 } 1785 } 1786 1787 if (mSelectionHour > 23) { 1788 mSelectionHour = 23; 1789 } 1790 1791 // If the selected hour is at least 2 time slots from the top and 1792 // bottom of the screen, then don't scroll the view. 1793 if (mSelectionHour < mFirstHour + 1) { 1794 // If there are all-days events for the selected day but there 1795 // are no more normal events earlier in the day, then jump to 1796 // the all-day event area. 1797 // Exception 1: allow the user to scroll to 8am with the trackball 1798 // before jumping to the all-day event area. 1799 // Exception 2: if 12am is on screen, then allow the user to select 1800 // 12am before going up to the all-day event area. 1801 int daynum = mSelectionDay - mFirstJulianDay; 1802 if (mMaxAlldayEvents > 0 && mEarliestStartHour[daynum] > mSelectionHour 1803 && mFirstHour > 0 && mFirstHour < 8) { 1804 mPrevSelectedEvent = null; 1805 mSelectionAllday = true; 1806 mSelectionHour = mFirstHour + 1; 1807 return; 1808 } 1809 1810 if (mFirstHour > 0) { 1811 mFirstHour -= 1; 1812 mViewStartY -= (mCellHeight + HOUR_GAP); 1813 if (mViewStartY < 0) { 1814 mViewStartY = 0; 1815 } 1816 return; 1817 } 1818 } 1819 1820 if (mSelectionHour > mFirstHour + mNumHours - 3) { 1821 if (mFirstHour < 24 - mNumHours) { 1822 mFirstHour += 1; 1823 mViewStartY += (mCellHeight + HOUR_GAP); 1824 if (mViewStartY > mMaxViewStartY) { 1825 mViewStartY = mMaxViewStartY; 1826 } 1827 return; 1828 } else if (mFirstHour == 24 - mNumHours && mFirstHourOffset > 0) { 1829 mViewStartY = mMaxViewStartY; 1830 } 1831 } 1832 } 1833 1834 void clearCachedEvents() { 1835 mLastReloadMillis = 0; 1836 } 1837 1838 private Runnable mCancelCallback = new Runnable() { 1839 public void run() { 1840 clearCachedEvents(); 1841 } 1842 }; 1843 1844 /* package */ void reloadEvents() { 1845 // Protect against this being called before this view has been 1846 // initialized. 1847// if (mContext == null) { 1848// return; 1849// } 1850 1851 // Make sure our time zones are up to date 1852 mTZUpdater.run(); 1853 1854 mSelectedEvent = null; 1855 mPrevSelectedEvent = null; 1856 mSelectedEvents.clear(); 1857 1858 // The start date is the beginning of the week at 12am 1859 Time weekStart = new Time(Utils.getTimeZone(mContext, mTZUpdater)); 1860 weekStart.set(mBaseDate); 1861 weekStart.hour = 0; 1862 weekStart.minute = 0; 1863 weekStart.second = 0; 1864 long millis = weekStart.normalize(true /* ignore isDst */); 1865 1866 // Avoid reloading events unnecessarily. 1867 if (millis == mLastReloadMillis) { 1868 return; 1869 } 1870 mLastReloadMillis = millis; 1871 1872 // load events in the background 1873// mContext.startProgressSpinner(); 1874 final ArrayList<Event> events = new ArrayList<Event>(); 1875 mEventLoader.loadEventsInBackground(mNumDays, events, mFirstJulianDay, new Runnable() { 1876 public void run() { 1877 mEvents = events; 1878 if (mAllDayEvents == null) { 1879 mAllDayEvents = new ArrayList<Event>(); 1880 } else { 1881 mAllDayEvents.clear(); 1882 } 1883 1884 // Create a shorter array for all day events 1885 for (Event e : events) { 1886 if (e.drawAsAllday()) { 1887 mAllDayEvents.add(e); 1888 } 1889 } 1890 1891 // New events, new layouts 1892 if (mLayouts == null || mLayouts.length < events.size()) { 1893 mLayouts = new StaticLayout[events.size()]; 1894 } else { 1895 Arrays.fill(mLayouts, null); 1896 } 1897 1898 if (mAllDayLayouts == null || mAllDayLayouts.length < mAllDayEvents.size()) { 1899 mAllDayLayouts = new StaticLayout[events.size()]; 1900 } else { 1901 Arrays.fill(mAllDayLayouts, null); 1902 } 1903 1904 computeEventRelations(); 1905 1906 mRemeasure = true; 1907 mComputeSelectedEvents = true; 1908 recalc(); 1909// mContext.stopProgressSpinner(); 1910 invalidate(); 1911 } 1912 }, mCancelCallback); 1913 } 1914 1915 private void computeEventRelations() { 1916 // Compute the layout relation between each event before measuring cell 1917 // width, as the cell width should be adjusted along with the relation. 1918 // 1919 // Examples: A (1:00pm - 1:01pm), B (1:02pm - 2:00pm) 1920 // We should mark them as "overwapped". Though they are not overwapped logically, but 1921 // minimum cell height implicitly expands the cell height of A and it should look like 1922 // (1:00pm - 1:15pm) after the cell height adjustment. 1923 1924 // Compute the space needed for the all-day events, if any. 1925 // Make a pass over all the events, and keep track of the maximum 1926 // number of all-day events in any one day. Also, keep track of 1927 // the earliest event in each day. 1928 int maxAllDayEvents = 0; 1929 final ArrayList<Event> events = mEvents; 1930 final int len = events.size(); 1931 // Num of all-day-events on each day. 1932 final int eventsCount[] = new int[mLastJulianDay - mFirstJulianDay + 1]; 1933 Arrays.fill(eventsCount, 0); 1934 for (int ii = 0; ii < len; ii++) { 1935 Event event = events.get(ii); 1936 if (event.startDay > mLastJulianDay || event.endDay < mFirstJulianDay) { 1937 continue; 1938 } 1939 if (event.drawAsAllday()) { 1940 // Count all the events being drawn as allDay events 1941 final int firstDay = Math.max(event.startDay, mFirstJulianDay); 1942 final int lastDay = Math.min(event.endDay, mLastJulianDay); 1943 for (int day = firstDay; day <= lastDay; day++) { 1944 final int count = ++eventsCount[day - mFirstJulianDay]; 1945 if (maxAllDayEvents < count) { 1946 maxAllDayEvents = count; 1947 } 1948 } 1949 1950 int daynum = event.startDay - mFirstJulianDay; 1951 int durationDays = event.endDay - event.startDay + 1; 1952 if (daynum < 0) { 1953 durationDays += daynum; 1954 daynum = 0; 1955 } 1956 if (daynum + durationDays > mNumDays) { 1957 durationDays = mNumDays - daynum; 1958 } 1959 for (int day = daynum; durationDays > 0; day++, durationDays--) { 1960 mHasAllDayEvent[day] = true; 1961 } 1962 } else { 1963 int daynum = event.startDay - mFirstJulianDay; 1964 int hour = event.startTime / 60; 1965 if (daynum >= 0 && hour < mEarliestStartHour[daynum]) { 1966 mEarliestStartHour[daynum] = hour; 1967 } 1968 1969 // Also check the end hour in case the event spans more than 1970 // one day. 1971 daynum = event.endDay - mFirstJulianDay; 1972 hour = event.endTime / 60; 1973 if (daynum < mNumDays && hour < mEarliestStartHour[daynum]) { 1974 mEarliestStartHour[daynum] = hour; 1975 } 1976 } 1977 } 1978 mMaxAlldayEvents = maxAllDayEvents; 1979 initAllDayHeights(); 1980 } 1981 1982 @Override 1983 protected void onDraw(Canvas canvas) { 1984 if (mRemeasure) { 1985 remeasure(getWidth(), getHeight()); 1986 mRemeasure = false; 1987 } 1988 canvas.save(); 1989 1990 float yTranslate = -mViewStartY + DAY_HEADER_HEIGHT + mAlldayHeight; 1991 // offset canvas by the current drag and header position 1992 canvas.translate(-mViewStartX, yTranslate); 1993 // clip to everything below the allDay area 1994 Rect dest = mDestRect; 1995 dest.top = (int) (mFirstCell - yTranslate); 1996 dest.bottom = (int) (mViewHeight - yTranslate); 1997 dest.left = 0; 1998 dest.right = mViewWidth; 1999 canvas.save(); 2000 canvas.clipRect(dest); 2001 // Draw the movable part of the view 2002 doDraw(canvas); 2003 // restore to having no clip 2004 canvas.restore(); 2005 2006 if ((mTouchMode & TOUCH_MODE_HSCROLL) != 0) { 2007 float xTranslate; 2008 if (mViewStartX > 0) { 2009 xTranslate = mViewWidth; 2010 } else { 2011 xTranslate = -mViewWidth; 2012 } 2013 // Move the canvas around to prep it for the next view 2014 // specifically, shift it by a screen and undo the 2015 // yTranslation which will be redone in the nextView's onDraw(). 2016 canvas.translate(xTranslate, -yTranslate); 2017 DayView nextView = (DayView) mViewSwitcher.getNextView(); 2018 2019 // Prevent infinite recursive calls to onDraw(). 2020 nextView.mTouchMode = TOUCH_MODE_INITIAL_STATE; 2021 2022 nextView.onDraw(canvas); 2023 // Move it back for this view 2024 canvas.translate(-xTranslate, 0); 2025 } else { 2026 // If we drew another view we already translated it back 2027 // If we didn't draw another view we should be at the edge of the 2028 // screen 2029 canvas.translate(mViewStartX, -yTranslate); 2030 } 2031 2032 // Draw the fixed areas (that don't scroll) directly to the canvas. 2033 drawAfterScroll(canvas); 2034 if (mComputeSelectedEvents && mUpdateToast) { 2035 updateEventDetails(); 2036 mUpdateToast = false; 2037 } 2038 mComputeSelectedEvents = false; 2039 2040 // Draw overscroll glow 2041 if (!mEdgeEffectTop.isFinished()) { 2042 if (DAY_HEADER_HEIGHT != 0) { 2043 canvas.translate(0, DAY_HEADER_HEIGHT); 2044 } 2045 if (mEdgeEffectTop.draw(canvas)) { 2046 invalidate(); 2047 } 2048 if (DAY_HEADER_HEIGHT != 0) { 2049 canvas.translate(0, -DAY_HEADER_HEIGHT); 2050 } 2051 } 2052 if (!mEdgeEffectBottom.isFinished()) { 2053 canvas.rotate(180, mViewWidth/2, mViewHeight/2); 2054 if (mEdgeEffectBottom.draw(canvas)) { 2055 invalidate(); 2056 } 2057 } 2058 canvas.restore(); 2059 } 2060 2061 private void drawAfterScroll(Canvas canvas) { 2062 Paint p = mPaint; 2063 Rect r = mRect; 2064 2065 drawAllDayHighlights(r, canvas, p); 2066 if (mMaxAlldayEvents != 0) { 2067 drawAllDayEvents(mFirstJulianDay, mNumDays, canvas, p); 2068 drawUpperLeftCorner(r, canvas, p); 2069 } 2070 2071 drawScrollLine(r, canvas, p); 2072 drawDayHeaderLoop(r, canvas, p); 2073 2074 // Draw the AM and PM indicators if we're in 12 hour mode 2075 if (!mIs24HourFormat) { 2076 drawAmPm(canvas, p); 2077 } 2078 } 2079 2080 // This isn't really the upper-left corner. It's the square area just 2081 // below the upper-left corner, above the hours and to the left of the 2082 // all-day area. 2083 private void drawUpperLeftCorner(Rect r, Canvas canvas, Paint p) { 2084 setupHourTextPaint(p); 2085 if (mMaxAlldayEvents > mMaxUnexpandedAlldayEventCount) { 2086 // Draw the allDay expand/collapse icon 2087 if (mUseExpandIcon) { 2088 mExpandAlldayDrawable.setBounds(mExpandAllDayRect); 2089 mExpandAlldayDrawable.draw(canvas); 2090 } else { 2091 mCollapseAlldayDrawable.setBounds(mExpandAllDayRect); 2092 mCollapseAlldayDrawable.draw(canvas); 2093 } 2094 } 2095 } 2096 2097 private void drawScrollLine(Rect r, Canvas canvas, Paint p) { 2098 final int right = computeDayLeftPosition(mNumDays + 1); 2099 final int y = mFirstCell - 1; 2100 2101 p.setAntiAlias(false); 2102 p.setStyle(Style.FILL); 2103 2104 p.setColor(mCalendarGridLineInnerHorizontalColor); 2105 p.setStrokeWidth(GRID_LINE_INNER_WIDTH); 2106 canvas.drawLine(GRID_LINE_LEFT_MARGIN, y, right, y, p); 2107 p.setAntiAlias(true); 2108 } 2109 2110 // Computes the x position for the left side of the given day 2111 private int computeDayLeftPosition(int day) { 2112 int effectiveWidth = mViewWidth - mHoursWidth; 2113 return day * effectiveWidth / mNumDays + mHoursWidth; 2114 } 2115 2116 private void drawAllDayHighlights(Rect r, Canvas canvas, Paint p) { 2117 // First, color the labels area light gray 2118 r.top = 0; 2119 r.bottom = DAY_HEADER_HEIGHT; 2120 r.left = 0; 2121 r.right = mViewWidth; 2122 p.setColor(mBgColor); 2123 p.setStyle(Style.FILL); 2124 canvas.drawRect(r, p); 2125 // and the area that says All day 2126 r.top = DAY_HEADER_HEIGHT; 2127 r.bottom = mFirstCell - 1; 2128 r.left = 0; 2129 r.right = mHoursWidth; 2130 canvas.drawRect(r, p); 2131 2132 int startIndex = -1; 2133 int todayIndex = mTodayJulianDay - mFirstJulianDay; 2134 if (todayIndex < 0) { 2135 // Future 2136 startIndex = 0; 2137 } else if (todayIndex >= 1 && todayIndex + 1 < mNumDays) { 2138 // Multiday - tomorrow is visible. 2139 startIndex = todayIndex + 1; 2140 } 2141 2142 if (startIndex >= 0) { 2143 // Draw the future highlight 2144 r.top = 0; 2145 r.bottom = mFirstCell - 1; 2146 r.left = computeDayLeftPosition(startIndex) + 1; 2147 r.right = computeDayLeftPosition(mNumDays + 1); 2148 p.setColor(mFutureBgColor); 2149 p.setStyle(Style.FILL); 2150 canvas.drawRect(r, p); 2151 } 2152 2153 if (mSelectionAllday) { 2154 // Draw the selection highlight on the selected all-day area 2155 mRect.top = DAY_HEADER_HEIGHT + 1; 2156 mRect.bottom = mRect.top + mAlldayHeight + ALLDAY_TOP_MARGIN - 2; 2157 int daynum = mSelectionDay - mFirstJulianDay; 2158 mRect.left = computeDayLeftPosition(daynum) + 1; 2159 mRect.right = computeDayLeftPosition(daynum + 1); 2160 p.setColor(mCalendarGridAreaSelected); 2161 canvas.drawRect(mRect, p); 2162 } 2163 } 2164 2165 private void drawDayHeaderLoop(Rect r, Canvas canvas, Paint p) { 2166 // Draw the horizontal day background banner 2167 // p.setColor(mCalendarDateBannerBackground); 2168 // r.top = 0; 2169 // r.bottom = DAY_HEADER_HEIGHT; 2170 // r.left = 0; 2171 // r.right = mHoursWidth + mNumDays * (mCellWidth + DAY_GAP); 2172 // canvas.drawRect(r, p); 2173 // 2174 // Fill the extra space on the right side with the default background 2175 // r.left = r.right; 2176 // r.right = mViewWidth; 2177 // p.setColor(mCalendarGridAreaBackground); 2178 // canvas.drawRect(r, p); 2179 if (mNumDays == 1 && ONE_DAY_HEADER_HEIGHT == 0) { 2180 return; 2181 } 2182 2183 p.setTypeface(mBold); 2184 p.setTextAlign(Paint.Align.RIGHT); 2185 int cell = mFirstJulianDay; 2186 2187 String[] dayNames; 2188 if (mDateStrWidth < mCellWidth) { 2189 dayNames = mDayStrs; 2190 } else { 2191 dayNames = mDayStrs2Letter; 2192 } 2193 2194 p.setAntiAlias(true); 2195 for (int day = 0; day < mNumDays; day++, cell++) { 2196 int dayOfWeek = day + mFirstVisibleDayOfWeek; 2197 if (dayOfWeek >= 14) { 2198 dayOfWeek -= 14; 2199 } 2200 2201 int color = mCalendarDateBannerTextColor; 2202 if (mNumDays == 1) { 2203 if (dayOfWeek == Time.SATURDAY) { 2204 color = mWeek_saturdayColor; 2205 } else if (dayOfWeek == Time.SUNDAY) { 2206 color = mWeek_sundayColor; 2207 } 2208 } else { 2209 final int column = day % 7; 2210 if (Utils.isSaturday(column, mFirstDayOfWeek)) { 2211 color = mWeek_saturdayColor; 2212 } else if (Utils.isSunday(column, mFirstDayOfWeek)) { 2213 color = mWeek_sundayColor; 2214 } 2215 } 2216 2217 p.setColor(color); 2218 drawDayHeader(dayNames[dayOfWeek], day, cell, canvas, p); 2219 } 2220 p.setTypeface(null); 2221 } 2222 2223 private void drawAmPm(Canvas canvas, Paint p) { 2224 p.setColor(mCalendarAmPmLabel); 2225 p.setTextSize(AMPM_TEXT_SIZE); 2226 p.setTypeface(mBold); 2227 p.setAntiAlias(true); 2228 p.setTextAlign(Paint.Align.RIGHT); 2229 String text = mAmString; 2230 if (mFirstHour >= 12) { 2231 text = mPmString; 2232 } 2233 int y = mFirstCell + mFirstHourOffset + 2 * mHoursTextHeight + HOUR_GAP; 2234 canvas.drawText(text, HOURS_LEFT_MARGIN, y, p); 2235 2236 if (mFirstHour < 12 && mFirstHour + mNumHours > 12) { 2237 // Also draw the "PM" 2238 text = mPmString; 2239 y = mFirstCell + mFirstHourOffset + (12 - mFirstHour) * (mCellHeight + HOUR_GAP) 2240 + 2 * mHoursTextHeight + HOUR_GAP; 2241 canvas.drawText(text, HOURS_LEFT_MARGIN, y, p); 2242 } 2243 } 2244 2245 private void drawCurrentTimeLine(Rect r, final int day, final int top, Canvas canvas, 2246 Paint p) { 2247 r.left = computeDayLeftPosition(day) - CURRENT_TIME_LINE_SIDE_BUFFER + 1; 2248 r.right = computeDayLeftPosition(day + 1) + CURRENT_TIME_LINE_SIDE_BUFFER + 1; 2249 2250 r.top = top - CURRENT_TIME_LINE_TOP_OFFSET; 2251 r.bottom = r.top + mCurrentTimeLine.getIntrinsicHeight(); 2252 2253 mCurrentTimeLine.setBounds(r); 2254 mCurrentTimeLine.draw(canvas); 2255 } 2256 2257 private void doDraw(Canvas canvas) { 2258 Paint p = mPaint; 2259 Rect r = mRect; 2260 2261 drawBgColors(r, canvas, p); 2262 drawGridBackground(r, canvas, p); 2263 drawHours(r, canvas, p); 2264 2265 // Draw each day 2266 int cell = mFirstJulianDay; 2267 p.setAntiAlias(false); 2268 for (int day = 0; day < mNumDays; day++, cell++) { 2269 // TODO Wow, this needs cleanup. drawEvents loop through all the 2270 // events on every call. 2271 drawEvents(cell, day, HOUR_GAP, canvas, p); 2272 // If this is today 2273 if (cell == mTodayJulianDay) { 2274 int lineY = mCurrentTime.hour * (mCellHeight + HOUR_GAP) 2275 + ((mCurrentTime.minute * mCellHeight) / 60) + 1; 2276 2277 // And the current time shows up somewhere on the screen 2278 if (lineY >= mViewStartY && lineY < mViewStartY + mViewHeight - 2) { 2279 drawCurrentTimeLine(r, day, lineY, canvas, p); 2280 } 2281 } 2282 } 2283 p.setAntiAlias(true); 2284 2285 drawSelectedRect(r, canvas, p); 2286 } 2287 2288 private void drawSelectedRect(Rect r, Canvas canvas, Paint p) { 2289 // Draw a highlight on the selected hour (if needed) 2290 if (mSelectionMode != SELECTION_HIDDEN && !mSelectionAllday) { 2291 int daynum = mSelectionDay - mFirstJulianDay; 2292 r.top = mSelectionHour * (mCellHeight + HOUR_GAP); 2293 r.bottom = r.top + mCellHeight + HOUR_GAP; 2294 r.left = computeDayLeftPosition(daynum) + 1; 2295 r.right = computeDayLeftPosition(daynum + 1) + 1; 2296 2297 saveSelectionPosition(r.left, r.top, r.right, r.bottom); 2298 2299 // Draw the highlight on the grid 2300 p.setColor(mCalendarGridAreaSelected); 2301 r.top += HOUR_GAP; 2302 r.right -= DAY_GAP; 2303 p.setAntiAlias(false); 2304 canvas.drawRect(r, p); 2305 2306 // Draw a + on top of the highlight 2307 int width = r.right - r.left; 2308 int midX = r.left + width / 2; 2309 int midY = r.top + mCellHeight / 2; 2310 int length = Math.min(mCellHeight, width) - NEW_EVENT_MARGIN * 2; 2311 length = Math.min(length, NEW_EVENT_MAX_LENGTH); 2312 int verticalPadding = (mCellHeight - length) / 2; 2313 int horizontalPadding = (width - length) / 2; 2314 p.setStrokeWidth(NEW_EVENT_WIDTH); 2315 p.setColor(0xFFFFFFFF); 2316 canvas.drawLine(r.left + horizontalPadding, midY, r.right - horizontalPadding, midY, p); 2317 canvas.drawLine(midX, r.top + verticalPadding, midX, r.bottom - verticalPadding, p); 2318 } 2319 } 2320 2321 private void drawHours(Rect r, Canvas canvas, Paint p) { 2322 setupHourTextPaint(p); 2323 2324 int y = HOUR_GAP + mHoursTextHeight + HOURS_TOP_MARGIN; 2325 2326 for (int i = 0; i < 24; i++) { 2327 String time = mHourStrs[i]; 2328 canvas.drawText(time, HOURS_LEFT_MARGIN, y, p); 2329 y += mCellHeight + HOUR_GAP; 2330 } 2331 } 2332 2333 private void setupHourTextPaint(Paint p) { 2334 p.setColor(mCalendarHourLabelColor); 2335 p.setTextSize(HOURS_TEXT_SIZE); 2336 p.setTypeface(Typeface.DEFAULT); 2337 p.setTextAlign(Paint.Align.RIGHT); 2338 p.setAntiAlias(true); 2339 } 2340 2341 private void drawDayHeader(String dayStr, int day, int cell, Canvas canvas, Paint p) { 2342 int dateNum = mFirstVisibleDate + day; 2343 int x; 2344 if (dateNum > mMonthLength) { 2345 dateNum -= mMonthLength; 2346 } 2347 p.setAntiAlias(true); 2348 2349 int todayIndex = mTodayJulianDay - mFirstJulianDay; 2350 // Draw day of the month 2351 String dateNumStr = String.valueOf(dateNum); 2352 if (mNumDays > 1) { 2353 float y = DAY_HEADER_HEIGHT - DAY_HEADER_BOTTOM_MARGIN; 2354 2355 // Draw day of the month 2356 x = computeDayLeftPosition(day + 1) - DAY_HEADER_RIGHT_MARGIN; 2357 p.setTextAlign(Align.RIGHT); 2358 p.setTextSize(DATE_HEADER_FONT_SIZE); 2359 2360 p.setTypeface(todayIndex == day ? mBold : Typeface.DEFAULT); 2361 canvas.drawText(dateNumStr, x, y, p); 2362 2363 // Draw day of the week 2364 x -= p.measureText(" " + dateNumStr); 2365 p.setTextSize(DAY_HEADER_FONT_SIZE); 2366 p.setTypeface(Typeface.DEFAULT); 2367 canvas.drawText(dayStr, x, y, p); 2368 } else { 2369 float y = ONE_DAY_HEADER_HEIGHT - DAY_HEADER_ONE_DAY_BOTTOM_MARGIN; 2370 p.setTextAlign(Align.LEFT); 2371 2372 2373 // Draw day of the week 2374 x = computeDayLeftPosition(day) + DAY_HEADER_ONE_DAY_LEFT_MARGIN; 2375 p.setTextSize(DAY_HEADER_FONT_SIZE); 2376 p.setTypeface(Typeface.DEFAULT); 2377 canvas.drawText(dayStr, x, y, p); 2378 2379 // Draw day of the month 2380 x += p.measureText(dayStr) + DAY_HEADER_ONE_DAY_RIGHT_MARGIN; 2381 p.setTextSize(DATE_HEADER_FONT_SIZE); 2382 p.setTypeface(todayIndex == day ? mBold : Typeface.DEFAULT); 2383 canvas.drawText(dateNumStr, x, y, p); 2384 } 2385 } 2386 2387 private void drawGridBackground(Rect r, Canvas canvas, Paint p) { 2388 Paint.Style savedStyle = p.getStyle(); 2389 2390 final float stopX = computeDayLeftPosition(mNumDays + 1); 2391 float y = 0; 2392 final float deltaY = mCellHeight + HOUR_GAP; 2393 int linesIndex = 0; 2394 final float startY = 0; 2395 final float stopY = HOUR_GAP + 24 * (mCellHeight + HOUR_GAP); 2396 float x = mHoursWidth; 2397 2398 // Draw the inner horizontal grid lines 2399 p.setColor(mCalendarGridLineInnerHorizontalColor); 2400 p.setStrokeWidth(GRID_LINE_INNER_WIDTH); 2401 p.setAntiAlias(false); 2402 y = 0; 2403 linesIndex = 0; 2404 for (int hour = 0; hour <= 24; hour++) { 2405 mLines[linesIndex++] = GRID_LINE_LEFT_MARGIN; 2406 mLines[linesIndex++] = y; 2407 mLines[linesIndex++] = stopX; 2408 mLines[linesIndex++] = y; 2409 y += deltaY; 2410 } 2411 if (mCalendarGridLineInnerVerticalColor != mCalendarGridLineInnerHorizontalColor) { 2412 canvas.drawLines(mLines, 0, linesIndex, p); 2413 linesIndex = 0; 2414 p.setColor(mCalendarGridLineInnerVerticalColor); 2415 } 2416 2417 // Draw the inner vertical grid lines 2418 for (int day = 0; day <= mNumDays; day++) { 2419 x = computeDayLeftPosition(day); 2420 mLines[linesIndex++] = x; 2421 mLines[linesIndex++] = startY; 2422 mLines[linesIndex++] = x; 2423 mLines[linesIndex++] = stopY; 2424 } 2425 canvas.drawLines(mLines, 0, linesIndex, p); 2426 2427 // Restore the saved style. 2428 p.setStyle(savedStyle); 2429 p.setAntiAlias(true); 2430 } 2431 2432 /** 2433 * @param r 2434 * @param canvas 2435 * @param p 2436 */ 2437 private void drawBgColors(Rect r, Canvas canvas, Paint p) { 2438 int todayIndex = mTodayJulianDay - mFirstJulianDay; 2439 // Draw the hours background color 2440 r.top = mDestRect.top; 2441 r.bottom = mDestRect.bottom; 2442 r.left = 0; 2443 r.right = mHoursWidth; 2444 p.setColor(mBgColor); 2445 p.setStyle(Style.FILL); 2446 p.setAntiAlias(false); 2447 canvas.drawRect(r, p); 2448 2449 // Draw background for grid area 2450 if (mNumDays == 1 && todayIndex == 0) { 2451 // Draw a white background for the time later than current time 2452 int lineY = mCurrentTime.hour * (mCellHeight + HOUR_GAP) 2453 + ((mCurrentTime.minute * mCellHeight) / 60) + 1; 2454 if (lineY < mViewStartY + mViewHeight) { 2455 lineY = Math.max(lineY, mViewStartY); 2456 r.left = mHoursWidth; 2457 r.right = mViewWidth; 2458 r.top = lineY; 2459 r.bottom = mViewStartY + mViewHeight; 2460 p.setColor(mFutureBgColor); 2461 canvas.drawRect(r, p); 2462 } 2463 } else if (todayIndex >= 0 && todayIndex < mNumDays) { 2464 // Draw today with a white background for the time later than current time 2465 int lineY = mCurrentTime.hour * (mCellHeight + HOUR_GAP) 2466 + ((mCurrentTime.minute * mCellHeight) / 60) + 1; 2467 if (lineY < mViewStartY + mViewHeight) { 2468 lineY = Math.max(lineY, mViewStartY); 2469 r.left = computeDayLeftPosition(todayIndex) + 1; 2470 r.right = computeDayLeftPosition(todayIndex + 1); 2471 r.top = lineY; 2472 r.bottom = mViewStartY + mViewHeight; 2473 p.setColor(mFutureBgColor); 2474 canvas.drawRect(r, p); 2475 } 2476 2477 // Paint Tomorrow and later days with future color 2478 if (todayIndex + 1 < mNumDays) { 2479 r.left = computeDayLeftPosition(todayIndex + 1) + 1; 2480 r.right = computeDayLeftPosition(mNumDays + 1); 2481 r.top = mDestRect.top; 2482 r.bottom = mDestRect.bottom; 2483 p.setColor(mFutureBgColor); 2484 canvas.drawRect(r, p); 2485 } 2486 } else if (todayIndex < 0) { 2487 // Future 2488 r.left = computeDayLeftPosition(0) + 1; 2489 r.right = computeDayLeftPosition(mNumDays + 1); 2490 r.top = mDestRect.top; 2491 r.bottom = mDestRect.bottom; 2492 p.setColor(mFutureBgColor); 2493 canvas.drawRect(r, p); 2494 } 2495 p.setAntiAlias(true); 2496 } 2497 2498 Event getSelectedEvent() { 2499 if (mSelectedEvent == null) { 2500 // There is no event at the selected hour, so create a new event. 2501 return getNewEvent(mSelectionDay, getSelectedTimeInMillis(), 2502 getSelectedMinutesSinceMidnight()); 2503 } 2504 return mSelectedEvent; 2505 } 2506 2507 boolean isEventSelected() { 2508 return (mSelectedEvent != null); 2509 } 2510 2511 Event getNewEvent() { 2512 return getNewEvent(mSelectionDay, getSelectedTimeInMillis(), 2513 getSelectedMinutesSinceMidnight()); 2514 } 2515 2516 static Event getNewEvent(int julianDay, long utcMillis, 2517 int minutesSinceMidnight) { 2518 Event event = Event.newInstance(); 2519 event.startDay = julianDay; 2520 event.endDay = julianDay; 2521 event.startMillis = utcMillis; 2522 event.endMillis = event.startMillis + MILLIS_PER_HOUR; 2523 event.startTime = minutesSinceMidnight; 2524 event.endTime = event.startTime + MINUTES_PER_HOUR; 2525 return event; 2526 } 2527 2528 private int computeMaxStringWidth(int currentMax, String[] strings, Paint p) { 2529 float maxWidthF = 0.0f; 2530 2531 int len = strings.length; 2532 for (int i = 0; i < len; i++) { 2533 float width = p.measureText(strings[i]); 2534 maxWidthF = Math.max(width, maxWidthF); 2535 } 2536 int maxWidth = (int) (maxWidthF + 0.5); 2537 if (maxWidth < currentMax) { 2538 maxWidth = currentMax; 2539 } 2540 return maxWidth; 2541 } 2542 2543 private void saveSelectionPosition(float left, float top, float right, float bottom) { 2544 mPrevBox.left = (int) left; 2545 mPrevBox.right = (int) right; 2546 mPrevBox.top = (int) top; 2547 mPrevBox.bottom = (int) bottom; 2548 } 2549 2550 private Rect getCurrentSelectionPosition() { 2551 Rect box = new Rect(); 2552 box.top = mSelectionHour * (mCellHeight + HOUR_GAP); 2553 box.bottom = box.top + mCellHeight + HOUR_GAP; 2554 int daynum = mSelectionDay - mFirstJulianDay; 2555 box.left = computeDayLeftPosition(daynum) + 1; 2556 box.right = computeDayLeftPosition(daynum + 1); 2557 return box; 2558 } 2559 2560 private void setupTextRect(Rect r) { 2561 if (r.bottom <= r.top || r.right <= r.left) { 2562 r.bottom = r.top; 2563 r.right = r.left; 2564 return; 2565 } 2566 2567 if (r.bottom - r.top > EVENT_TEXT_TOP_MARGIN + EVENT_TEXT_BOTTOM_MARGIN) { 2568 r.top += EVENT_TEXT_TOP_MARGIN; 2569 r.bottom -= EVENT_TEXT_BOTTOM_MARGIN; 2570 } 2571 if (r.right - r.left > EVENT_TEXT_LEFT_MARGIN + EVENT_TEXT_RIGHT_MARGIN) { 2572 r.left += EVENT_TEXT_LEFT_MARGIN; 2573 r.right -= EVENT_TEXT_RIGHT_MARGIN; 2574 } 2575 } 2576 2577 private void setupAllDayTextRect(Rect r) { 2578 if (r.bottom <= r.top || r.right <= r.left) { 2579 r.bottom = r.top; 2580 r.right = r.left; 2581 return; 2582 } 2583 2584 if (r.bottom - r.top > EVENT_ALL_DAY_TEXT_TOP_MARGIN + EVENT_ALL_DAY_TEXT_BOTTOM_MARGIN) { 2585 r.top += EVENT_ALL_DAY_TEXT_TOP_MARGIN; 2586 r.bottom -= EVENT_ALL_DAY_TEXT_BOTTOM_MARGIN; 2587 } 2588 if (r.right - r.left > EVENT_ALL_DAY_TEXT_LEFT_MARGIN + EVENT_ALL_DAY_TEXT_RIGHT_MARGIN) { 2589 r.left += EVENT_ALL_DAY_TEXT_LEFT_MARGIN; 2590 r.right -= EVENT_ALL_DAY_TEXT_RIGHT_MARGIN; 2591 } 2592 } 2593 2594 /** 2595 * Return the layout for a numbered event. Create it if not already existing 2596 */ 2597 private StaticLayout getEventLayout(StaticLayout[] layouts, int i, Event event, Paint paint, 2598 Rect r) { 2599 if (i < 0 || i >= layouts.length) { 2600 return null; 2601 } 2602 2603 StaticLayout layout = layouts[i]; 2604 // Check if we have already initialized the StaticLayout and that 2605 // the width hasn't changed (due to vertical resizing which causes 2606 // re-layout of events at min height) 2607 if (layout == null || r.width() != layout.getWidth()) { 2608 SpannableStringBuilder bob = new SpannableStringBuilder(); 2609 if (event.title != null) { 2610 bob.append(drawTextSanitizer(event.title.toString(), MAX_EVENT_TEXT_LEN)); 2611 bob.setSpan(new StyleSpan(android.graphics.Typeface.BOLD), 0, bob.length(), 0); 2612 bob.append(' '); 2613 } 2614 if (event.location != null) { 2615 bob.append(drawTextSanitizer(event.location.toString(), 2616 MAX_EVENT_TEXT_LEN - bob.length())); 2617 } 2618 2619 switch (event.selfAttendeeStatus) { 2620 case Attendees.ATTENDEE_STATUS_INVITED: 2621 paint.setColor(event.color); 2622 break; 2623 case Attendees.ATTENDEE_STATUS_DECLINED: 2624 case Attendees.ATTENDEE_STATUS_NONE: // Your own events 2625 case Attendees.ATTENDEE_STATUS_ACCEPTED: 2626 case Attendees.ATTENDEE_STATUS_TENTATIVE: 2627 default: 2628 paint.setColor(mEventTextColor); 2629 break; 2630 } 2631 2632 // Leave a one pixel boundary on the left and right of the rectangle for the event 2633 layout = new StaticLayout(bob, 0, bob.length(), new TextPaint(paint), r.width(), 2634 Alignment.ALIGN_NORMAL, 1.0f, 0.0f, true, null, r.width()); 2635 2636 layouts[i] = layout; 2637 } 2638 2639 return layout; 2640 } 2641 2642 private void drawAllDayEvents(int firstDay, int numDays, Canvas canvas, Paint p) { 2643 2644 p.setTextSize(NORMAL_FONT_SIZE); 2645 p.setTextAlign(Paint.Align.LEFT); 2646 Paint eventTextPaint = mEventTextPaint; 2647 2648 final float startY = DAY_HEADER_HEIGHT; 2649 final float stopY = startY + mAlldayHeight + ALLDAY_TOP_MARGIN; 2650 float x = 0; 2651 int linesIndex = 0; 2652 2653 // Draw the inner vertical grid lines 2654 p.setColor(mCalendarGridLineInnerVerticalColor); 2655 x = mHoursWidth; 2656 p.setStrokeWidth(GRID_LINE_INNER_WIDTH); 2657 // Line bounding the top of the all day area 2658 mLines[linesIndex++] = GRID_LINE_LEFT_MARGIN; 2659 mLines[linesIndex++] = startY; 2660 mLines[linesIndex++] = computeDayLeftPosition(mNumDays + 1); 2661 mLines[linesIndex++] = startY; 2662 2663 for (int day = 0; day <= mNumDays; day++) { 2664 x = computeDayLeftPosition(day); 2665 mLines[linesIndex++] = x; 2666 mLines[linesIndex++] = startY; 2667 mLines[linesIndex++] = x; 2668 mLines[linesIndex++] = stopY; 2669 } 2670 p.setAntiAlias(false); 2671 canvas.drawLines(mLines, 0, linesIndex, p); 2672 p.setStyle(Style.FILL); 2673 2674 int y = DAY_HEADER_HEIGHT + ALLDAY_TOP_MARGIN; 2675 int lastDay = firstDay + numDays - 1; 2676 final ArrayList<Event> events = mAllDayEvents; 2677 int numEvents = events.size(); 2678 // Whether or not we should draw the more events text 2679 boolean hasMoreEvents = false; 2680 // size of the allDay area 2681 float drawHeight = mAlldayHeight; 2682 // max number of events being drawn in one day of the allday area 2683 float numRectangles = mMaxAlldayEvents; 2684 // Where to cut off drawn allday events 2685 int allDayEventClip = DAY_HEADER_HEIGHT + mAlldayHeight + ALLDAY_TOP_MARGIN; 2686 // The number of events that weren't drawn in each day 2687 mSkippedAlldayEvents = new int[numDays]; 2688 if (mMaxAlldayEvents > mMaxUnexpandedAlldayEventCount && !mShowAllAllDayEvents && 2689 mAnimateDayHeight == 0) { 2690 // We draw one fewer event than will fit so that more events text 2691 // can be drawn 2692 numRectangles = mMaxUnexpandedAlldayEventCount - 1; 2693 // We also clip the events above the more events text 2694 allDayEventClip -= MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT; 2695 hasMoreEvents = true; 2696 } else if (mAnimateDayHeight != 0) { 2697 // clip at the end of the animating space 2698 allDayEventClip = DAY_HEADER_HEIGHT + mAnimateDayHeight + ALLDAY_TOP_MARGIN; 2699 } 2700 for (int i = 0; i < numEvents; i++) { 2701 Event event = events.get(i); 2702 int startDay = event.startDay; 2703 int endDay = event.endDay; 2704 if (startDay > lastDay || endDay < firstDay) { 2705 continue; 2706 } 2707 if (startDay < firstDay) { 2708 startDay = firstDay; 2709 } 2710 if (endDay > lastDay) { 2711 endDay = lastDay; 2712 } 2713 int startIndex = startDay - firstDay; 2714 int endIndex = endDay - firstDay; 2715 float height = mMaxAlldayEvents > mMaxUnexpandedAlldayEventCount ? mAnimateDayEventHeight : 2716 drawHeight / numRectangles; 2717 2718 // Prevent a single event from getting too big 2719 if (height > MAX_HEIGHT_OF_ONE_ALLDAY_EVENT) { 2720 height = MAX_HEIGHT_OF_ONE_ALLDAY_EVENT; 2721 } 2722 2723 // Leave a one-pixel space between the vertical day lines and the 2724 // event rectangle. 2725 event.left = computeDayLeftPosition(startIndex); 2726 event.right = computeDayLeftPosition(endIndex + 1) - DAY_GAP; 2727 event.top = y + height * event.getColumn(); 2728 event.bottom = event.top + height - ALL_DAY_EVENT_RECT_BOTTOM_MARGIN; 2729 if (mMaxAlldayEvents > mMaxUnexpandedAlldayEventCount) { 2730 // check if we should skip this event. We skip if it starts 2731 // after the clip bound or ends after the skip bound and we're 2732 // not animating. 2733 if (event.top >= allDayEventClip) { 2734 incrementSkipCount(mSkippedAlldayEvents, startIndex, endIndex); 2735 continue; 2736 } else if (event.bottom > allDayEventClip) { 2737 if (hasMoreEvents) { 2738 incrementSkipCount(mSkippedAlldayEvents, startIndex, endIndex); 2739 continue; 2740 } 2741 event.bottom = allDayEventClip; 2742 } 2743 } 2744 Rect r = drawEventRect(event, canvas, p, eventTextPaint, (int) event.top, 2745 (int) event.bottom); 2746 setupAllDayTextRect(r); 2747 StaticLayout layout = getEventLayout(mAllDayLayouts, i, event, eventTextPaint, r); 2748 drawEventText(layout, r, canvas, r.top, r.bottom); 2749 2750 // Check if this all-day event intersects the selected day 2751 if (mSelectionAllday && mComputeSelectedEvents) { 2752 if (startDay <= mSelectionDay && endDay >= mSelectionDay) { 2753 mSelectedEvents.add(event); 2754 } 2755 } 2756 } 2757 if (mMoreAlldayEventsTextAlpha != 0 && mSkippedAlldayEvents != null) { 2758 // If the more allday text should be visible, draw it. 2759 p.setColor(mMoreAlldayEventsTextAlpha << 24 & mMoreEventsTextColor); 2760 for (int i = 0; i < mSkippedAlldayEvents.length; i++) { 2761 if (mSkippedAlldayEvents[i] > 0) { 2762 drawMoreAlldayEvents(canvas, mSkippedAlldayEvents[i], i, p); 2763 } 2764 } 2765 } 2766 2767 if (mSelectionAllday) { 2768 // Compute the neighbors for the list of all-day events that 2769 // intersect the selected day. 2770 computeAllDayNeighbors(); 2771 2772 // Set the selection position to zero so that when we move down 2773 // to the normal event area, we will highlight the topmost event. 2774 saveSelectionPosition(0f, 0f, 0f, 0f); 2775 } 2776 } 2777 2778 // Helper method for counting the number of allday events skipped on each day 2779 private void incrementSkipCount(int[] counts, int startIndex, int endIndex) { 2780 if (counts == null || startIndex < 0 || endIndex > counts.length) { 2781 return; 2782 } 2783 for (int i = startIndex; i <= endIndex; i++) { 2784 counts[i]++; 2785 } 2786 } 2787 2788 // Draws the "box +n" text for hidden allday events 2789 protected void drawMoreAlldayEvents(Canvas canvas, int remainingEvents, int day, Paint p) { 2790 int x = computeDayLeftPosition(day) + EVENT_ALL_DAY_TEXT_LEFT_MARGIN; 2791 int y = (int) (mAlldayHeight - .5f * MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT - .5f 2792 * EVENT_SQUARE_WIDTH + DAY_HEADER_HEIGHT + ALLDAY_TOP_MARGIN); 2793 Rect r = mRect; 2794 r.top = y; 2795 r.left = x; 2796 r.bottom = y + EVENT_SQUARE_WIDTH; 2797 r.right = x + EVENT_SQUARE_WIDTH; 2798 p.setColor(mMoreEventsTextColor); 2799 p.setStrokeWidth(EVENT_RECT_STROKE_WIDTH); 2800 p.setStyle(Style.STROKE); 2801 p.setAntiAlias(false); 2802 canvas.drawRect(r, p); 2803 p.setAntiAlias(true); 2804 p.setStyle(Style.FILL); 2805 p.setTextSize(EVENT_TEXT_FONT_SIZE); 2806 String text = mResources.getQuantityString(R.plurals.month_more_events, remainingEvents); 2807 y += EVENT_SQUARE_WIDTH; 2808 x += EVENT_SQUARE_WIDTH + EVENT_LINE_PADDING; 2809 canvas.drawText(String.format(text, remainingEvents), x, y, p); 2810 } 2811 2812 private void computeAllDayNeighbors() { 2813 int len = mSelectedEvents.size(); 2814 if (len == 0 || mSelectedEvent != null) { 2815 return; 2816 } 2817 2818 // First, clear all the links 2819 for (int ii = 0; ii < len; ii++) { 2820 Event ev = mSelectedEvents.get(ii); 2821 ev.nextUp = null; 2822 ev.nextDown = null; 2823 ev.nextLeft = null; 2824 ev.nextRight = null; 2825 } 2826 2827 // For each event in the selected event list "mSelectedEvents", find 2828 // its neighbors in the up and down directions. This could be done 2829 // more efficiently by sorting on the Event.getColumn() field, but 2830 // the list is expected to be very small. 2831 2832 // Find the event in the same row as the previously selected all-day 2833 // event, if any. 2834 int startPosition = -1; 2835 if (mPrevSelectedEvent != null && mPrevSelectedEvent.drawAsAllday()) { 2836 startPosition = mPrevSelectedEvent.getColumn(); 2837 } 2838 int maxPosition = -1; 2839 Event startEvent = null; 2840 Event maxPositionEvent = null; 2841 for (int ii = 0; ii < len; ii++) { 2842 Event ev = mSelectedEvents.get(ii); 2843 int position = ev.getColumn(); 2844 if (position == startPosition) { 2845 startEvent = ev; 2846 } else if (position > maxPosition) { 2847 maxPositionEvent = ev; 2848 maxPosition = position; 2849 } 2850 for (int jj = 0; jj < len; jj++) { 2851 if (jj == ii) { 2852 continue; 2853 } 2854 Event neighbor = mSelectedEvents.get(jj); 2855 int neighborPosition = neighbor.getColumn(); 2856 if (neighborPosition == position - 1) { 2857 ev.nextUp = neighbor; 2858 } else if (neighborPosition == position + 1) { 2859 ev.nextDown = neighbor; 2860 } 2861 } 2862 } 2863 if (startEvent != null) { 2864 mSelectedEvent = startEvent; 2865 } else { 2866 mSelectedEvent = maxPositionEvent; 2867 } 2868 } 2869 2870 private void drawEvents(int date, int dayIndex, int top, Canvas canvas, Paint p) { 2871 Paint eventTextPaint = mEventTextPaint; 2872 int left = computeDayLeftPosition(dayIndex) + 1; 2873 int cellWidth = computeDayLeftPosition(dayIndex + 1) - left + 1; 2874 int cellHeight = mCellHeight; 2875 2876 // Use the selected hour as the selection region 2877 Rect selectionArea = mSelectionRect; 2878 selectionArea.top = top + mSelectionHour * (cellHeight + HOUR_GAP); 2879 selectionArea.bottom = selectionArea.top + cellHeight; 2880 selectionArea.left = left; 2881 selectionArea.right = selectionArea.left + cellWidth; 2882 2883 final ArrayList<Event> events = mEvents; 2884 int numEvents = events.size(); 2885 EventGeometry geometry = mEventGeometry; 2886 2887 final int viewEndY = mViewStartY + mViewHeight - DAY_HEADER_HEIGHT - mAlldayHeight; 2888 for (int i = 0; i < numEvents; i++) { 2889 Event event = events.get(i); 2890 if (!geometry.computeEventRect(date, left, top, cellWidth, event)) { 2891 continue; 2892 } 2893 2894 // Don't draw it if it is not visible 2895 if (event.bottom < mViewStartY || event.top > viewEndY) { 2896 continue; 2897 } 2898 2899 if (date == mSelectionDay && !mSelectionAllday && mComputeSelectedEvents 2900 && geometry.eventIntersectsSelection(event, selectionArea)) { 2901 mSelectedEvents.add(event); 2902 } 2903 2904 Rect r = drawEventRect(event, canvas, p, eventTextPaint, mViewStartY, viewEndY); 2905 setupTextRect(r); 2906 2907 // Don't draw text if it is not visible 2908 if (r.top > viewEndY || r.bottom < mViewStartY) { 2909 continue; 2910 } 2911 StaticLayout layout = getEventLayout(mLayouts, i, event, eventTextPaint, r); 2912 // TODO: not sure why we are 4 pixels off 2913 drawEventText(layout, r, canvas, mViewStartY + 4, mViewStartY + mViewHeight 2914 - DAY_HEADER_HEIGHT - mAlldayHeight); 2915 } 2916 2917 if (date == mSelectionDay && !mSelectionAllday && isFocused() 2918 && mSelectionMode != SELECTION_HIDDEN) { 2919 computeNeighbors(); 2920 } 2921 } 2922 2923 // Computes the "nearest" neighbor event in four directions (left, right, 2924 // up, down) for each of the events in the mSelectedEvents array. 2925 private void computeNeighbors() { 2926 int len = mSelectedEvents.size(); 2927 if (len == 0 || mSelectedEvent != null) { 2928 return; 2929 } 2930 2931 // First, clear all the links 2932 for (int ii = 0; ii < len; ii++) { 2933 Event ev = mSelectedEvents.get(ii); 2934 ev.nextUp = null; 2935 ev.nextDown = null; 2936 ev.nextLeft = null; 2937 ev.nextRight = null; 2938 } 2939 2940 Event startEvent = mSelectedEvents.get(0); 2941 int startEventDistance1 = 100000; // any large number 2942 int startEventDistance2 = 100000; // any large number 2943 int prevLocation = FROM_NONE; 2944 int prevTop; 2945 int prevBottom; 2946 int prevLeft; 2947 int prevRight; 2948 int prevCenter = 0; 2949 Rect box = getCurrentSelectionPosition(); 2950 if (mPrevSelectedEvent != null) { 2951 prevTop = (int) mPrevSelectedEvent.top; 2952 prevBottom = (int) mPrevSelectedEvent.bottom; 2953 prevLeft = (int) mPrevSelectedEvent.left; 2954 prevRight = (int) mPrevSelectedEvent.right; 2955 // Check if the previously selected event intersects the previous 2956 // selection box. (The previously selected event may be from a 2957 // much older selection box.) 2958 if (prevTop >= mPrevBox.bottom || prevBottom <= mPrevBox.top 2959 || prevRight <= mPrevBox.left || prevLeft >= mPrevBox.right) { 2960 mPrevSelectedEvent = null; 2961 prevTop = mPrevBox.top; 2962 prevBottom = mPrevBox.bottom; 2963 prevLeft = mPrevBox.left; 2964 prevRight = mPrevBox.right; 2965 } else { 2966 // Clip the top and bottom to the previous selection box. 2967 if (prevTop < mPrevBox.top) { 2968 prevTop = mPrevBox.top; 2969 } 2970 if (prevBottom > mPrevBox.bottom) { 2971 prevBottom = mPrevBox.bottom; 2972 } 2973 } 2974 } else { 2975 // Just use the previously drawn selection box 2976 prevTop = mPrevBox.top; 2977 prevBottom = mPrevBox.bottom; 2978 prevLeft = mPrevBox.left; 2979 prevRight = mPrevBox.right; 2980 } 2981 2982 // Figure out where we came from and compute the center of that area. 2983 if (prevLeft >= box.right) { 2984 // The previously selected event was to the right of us. 2985 prevLocation = FROM_RIGHT; 2986 prevCenter = (prevTop + prevBottom) / 2; 2987 } else if (prevRight <= box.left) { 2988 // The previously selected event was to the left of us. 2989 prevLocation = FROM_LEFT; 2990 prevCenter = (prevTop + prevBottom) / 2; 2991 } else if (prevBottom <= box.top) { 2992 // The previously selected event was above us. 2993 prevLocation = FROM_ABOVE; 2994 prevCenter = (prevLeft + prevRight) / 2; 2995 } else if (prevTop >= box.bottom) { 2996 // The previously selected event was below us. 2997 prevLocation = FROM_BELOW; 2998 prevCenter = (prevLeft + prevRight) / 2; 2999 } 3000 3001 // For each event in the selected event list "mSelectedEvents", search 3002 // all the other events in that list for the nearest neighbor in 4 3003 // directions. 3004 for (int ii = 0; ii < len; ii++) { 3005 Event ev = mSelectedEvents.get(ii); 3006 3007 int startTime = ev.startTime; 3008 int endTime = ev.endTime; 3009 int left = (int) ev.left; 3010 int right = (int) ev.right; 3011 int top = (int) ev.top; 3012 if (top < box.top) { 3013 top = box.top; 3014 } 3015 int bottom = (int) ev.bottom; 3016 if (bottom > box.bottom) { 3017 bottom = box.bottom; 3018 } 3019// if (false) { 3020// int flags = DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_ABBREV_ALL 3021// | DateUtils.FORMAT_CAP_NOON_MIDNIGHT; 3022// if (DateFormat.is24HourFormat(mContext)) { 3023// flags |= DateUtils.FORMAT_24HOUR; 3024// } 3025// String timeRange = DateUtils.formatDateRange(mContext, ev.startMillis, 3026// ev.endMillis, flags); 3027// Log.i("Cal", "left: " + left + " right: " + right + " top: " + top + " bottom: " 3028// + bottom + " ev: " + timeRange + " " + ev.title); 3029// } 3030 int upDistanceMin = 10000; // any large number 3031 int downDistanceMin = 10000; // any large number 3032 int leftDistanceMin = 10000; // any large number 3033 int rightDistanceMin = 10000; // any large number 3034 Event upEvent = null; 3035 Event downEvent = null; 3036 Event leftEvent = null; 3037 Event rightEvent = null; 3038 3039 // Pick the starting event closest to the previously selected event, 3040 // if any. distance1 takes precedence over distance2. 3041 int distance1 = 0; 3042 int distance2 = 0; 3043 if (prevLocation == FROM_ABOVE) { 3044 if (left >= prevCenter) { 3045 distance1 = left - prevCenter; 3046 } else if (right <= prevCenter) { 3047 distance1 = prevCenter - right; 3048 } 3049 distance2 = top - prevBottom; 3050 } else if (prevLocation == FROM_BELOW) { 3051 if (left >= prevCenter) { 3052 distance1 = left - prevCenter; 3053 } else if (right <= prevCenter) { 3054 distance1 = prevCenter - right; 3055 } 3056 distance2 = prevTop - bottom; 3057 } else if (prevLocation == FROM_LEFT) { 3058 if (bottom <= prevCenter) { 3059 distance1 = prevCenter - bottom; 3060 } else if (top >= prevCenter) { 3061 distance1 = top - prevCenter; 3062 } 3063 distance2 = left - prevRight; 3064 } else if (prevLocation == FROM_RIGHT) { 3065 if (bottom <= prevCenter) { 3066 distance1 = prevCenter - bottom; 3067 } else if (top >= prevCenter) { 3068 distance1 = top - prevCenter; 3069 } 3070 distance2 = prevLeft - right; 3071 } 3072 if (distance1 < startEventDistance1 3073 || (distance1 == startEventDistance1 && distance2 < startEventDistance2)) { 3074 startEvent = ev; 3075 startEventDistance1 = distance1; 3076 startEventDistance2 = distance2; 3077 } 3078 3079 // For each neighbor, figure out if it is above or below or left 3080 // or right of me and compute the distance. 3081 for (int jj = 0; jj < len; jj++) { 3082 if (jj == ii) { 3083 continue; 3084 } 3085 Event neighbor = mSelectedEvents.get(jj); 3086 int neighborLeft = (int) neighbor.left; 3087 int neighborRight = (int) neighbor.right; 3088 if (neighbor.endTime <= startTime) { 3089 // This neighbor is entirely above me. 3090 // If we overlap the same column, then compute the distance. 3091 if (neighborLeft < right && neighborRight > left) { 3092 int distance = startTime - neighbor.endTime; 3093 if (distance < upDistanceMin) { 3094 upDistanceMin = distance; 3095 upEvent = neighbor; 3096 } else if (distance == upDistanceMin) { 3097 int center = (left + right) / 2; 3098 int currentDistance = 0; 3099 int currentLeft = (int) upEvent.left; 3100 int currentRight = (int) upEvent.right; 3101 if (currentRight <= center) { 3102 currentDistance = center - currentRight; 3103 } else if (currentLeft >= center) { 3104 currentDistance = currentLeft - center; 3105 } 3106 3107 int neighborDistance = 0; 3108 if (neighborRight <= center) { 3109 neighborDistance = center - neighborRight; 3110 } else if (neighborLeft >= center) { 3111 neighborDistance = neighborLeft - center; 3112 } 3113 if (neighborDistance < currentDistance) { 3114 upDistanceMin = distance; 3115 upEvent = neighbor; 3116 } 3117 } 3118 } 3119 } else if (neighbor.startTime >= endTime) { 3120 // This neighbor is entirely below me. 3121 // If we overlap the same column, then compute the distance. 3122 if (neighborLeft < right && neighborRight > left) { 3123 int distance = neighbor.startTime - endTime; 3124 if (distance < downDistanceMin) { 3125 downDistanceMin = distance; 3126 downEvent = neighbor; 3127 } else if (distance == downDistanceMin) { 3128 int center = (left + right) / 2; 3129 int currentDistance = 0; 3130 int currentLeft = (int) downEvent.left; 3131 int currentRight = (int) downEvent.right; 3132 if (currentRight <= center) { 3133 currentDistance = center - currentRight; 3134 } else if (currentLeft >= center) { 3135 currentDistance = currentLeft - center; 3136 } 3137 3138 int neighborDistance = 0; 3139 if (neighborRight <= center) { 3140 neighborDistance = center - neighborRight; 3141 } else if (neighborLeft >= center) { 3142 neighborDistance = neighborLeft - center; 3143 } 3144 if (neighborDistance < currentDistance) { 3145 downDistanceMin = distance; 3146 downEvent = neighbor; 3147 } 3148 } 3149 } 3150 } 3151 3152 if (neighborLeft >= right) { 3153 // This neighbor is entirely to the right of me. 3154 // Take the closest neighbor in the y direction. 3155 int center = (top + bottom) / 2; 3156 int distance = 0; 3157 int neighborBottom = (int) neighbor.bottom; 3158 int neighborTop = (int) neighbor.top; 3159 if (neighborBottom <= center) { 3160 distance = center - neighborBottom; 3161 } else if (neighborTop >= center) { 3162 distance = neighborTop - center; 3163 } 3164 if (distance < rightDistanceMin) { 3165 rightDistanceMin = distance; 3166 rightEvent = neighbor; 3167 } else if (distance == rightDistanceMin) { 3168 // Pick the closest in the x direction 3169 int neighborDistance = neighborLeft - right; 3170 int currentDistance = (int) rightEvent.left - right; 3171 if (neighborDistance < currentDistance) { 3172 rightDistanceMin = distance; 3173 rightEvent = neighbor; 3174 } 3175 } 3176 } else if (neighborRight <= left) { 3177 // This neighbor is entirely to the left of me. 3178 // Take the closest neighbor in the y direction. 3179 int center = (top + bottom) / 2; 3180 int distance = 0; 3181 int neighborBottom = (int) neighbor.bottom; 3182 int neighborTop = (int) neighbor.top; 3183 if (neighborBottom <= center) { 3184 distance = center - neighborBottom; 3185 } else if (neighborTop >= center) { 3186 distance = neighborTop - center; 3187 } 3188 if (distance < leftDistanceMin) { 3189 leftDistanceMin = distance; 3190 leftEvent = neighbor; 3191 } else if (distance == leftDistanceMin) { 3192 // Pick the closest in the x direction 3193 int neighborDistance = left - neighborRight; 3194 int currentDistance = left - (int) leftEvent.right; 3195 if (neighborDistance < currentDistance) { 3196 leftDistanceMin = distance; 3197 leftEvent = neighbor; 3198 } 3199 } 3200 } 3201 } 3202 ev.nextUp = upEvent; 3203 ev.nextDown = downEvent; 3204 ev.nextLeft = leftEvent; 3205 ev.nextRight = rightEvent; 3206 } 3207 mSelectedEvent = startEvent; 3208 } 3209 3210 private Rect drawEventRect(Event event, Canvas canvas, Paint p, Paint eventTextPaint, 3211 int visibleTop, int visibleBot) { 3212 // Draw the Event Rect 3213 Rect r = mRect; 3214 r.top = Math.max((int) event.top + EVENT_RECT_TOP_MARGIN, visibleTop); 3215 r.bottom = Math.min((int) event.bottom - EVENT_RECT_BOTTOM_MARGIN, visibleBot); 3216 r.left = (int) event.left + EVENT_RECT_LEFT_MARGIN; 3217 r.right = (int) event.right; 3218 3219 int color = event.color; 3220 switch (event.selfAttendeeStatus) { 3221 case Attendees.ATTENDEE_STATUS_INVITED: 3222 p.setStyle(Style.STROKE); 3223 break; 3224 case Attendees.ATTENDEE_STATUS_DECLINED: 3225 color = (event.color & 0x00FFFFFF) | DECLINED_ALPHA; 3226 case Attendees.ATTENDEE_STATUS_NONE: // Your own events 3227 case Attendees.ATTENDEE_STATUS_ACCEPTED: 3228 case Attendees.ATTENDEE_STATUS_TENTATIVE: 3229 default: 3230 p.setStyle(Style.FILL_AND_STROKE); 3231 break; 3232 } 3233 3234 p.setAntiAlias(false); 3235 3236 int floorHalfStroke = (int) Math.floor(EVENT_RECT_STROKE_WIDTH / 2.0f); 3237 int ceilHalfStroke = (int) Math.ceil(EVENT_RECT_STROKE_WIDTH / 2.0f); 3238 r.top = Math.max((int) event.top + EVENT_RECT_TOP_MARGIN + floorHalfStroke, visibleTop); 3239 r.bottom = Math.min((int) event.bottom - EVENT_RECT_BOTTOM_MARGIN - ceilHalfStroke, 3240 visibleBot); 3241 r.left += floorHalfStroke; 3242 r.right -= ceilHalfStroke; 3243 p.setStrokeWidth(EVENT_RECT_STROKE_WIDTH); 3244 p.setColor(color); 3245 canvas.drawRect(r, p); 3246 3247 p.setStyle(Style.FILL); 3248 3249 // If this event is selected, then use the selection color 3250 if (mSelectedEvent == event) { 3251 boolean paintIt = false; 3252 color = 0; 3253 if (mSelectionMode == SELECTION_PRESSED) { 3254 // Also, remember the last selected event that we drew 3255 mPrevSelectedEvent = event; 3256 color = mPressedColor; 3257 paintIt = true; 3258 } else if (mSelectionMode == SELECTION_SELECTED) { 3259 // Also, remember the last selected event that we drew 3260 mPrevSelectedEvent = event; 3261 color = mPressedColor; 3262 paintIt = true; 3263 } 3264 3265 if (paintIt) { 3266 p.setColor(color); 3267 canvas.drawRect(r, p); 3268 } 3269 3270 p.setAntiAlias(true); 3271 } 3272 3273 // Draw cal color square border 3274 // r.top = (int) event.top + CALENDAR_COLOR_SQUARE_V_OFFSET; 3275 // r.left = (int) event.left + CALENDAR_COLOR_SQUARE_H_OFFSET; 3276 // r.bottom = r.top + CALENDAR_COLOR_SQUARE_SIZE + 1; 3277 // r.right = r.left + CALENDAR_COLOR_SQUARE_SIZE + 1; 3278 // p.setColor(0xFFFFFFFF); 3279 // canvas.drawRect(r, p); 3280 3281 // Draw cal color 3282 // r.top++; 3283 // r.left++; 3284 // r.bottom--; 3285 // r.right--; 3286 // p.setColor(event.color); 3287 // canvas.drawRect(r, p); 3288 3289 // Setup rect for drawEventText which follows 3290 r.top = (int) event.top + EVENT_RECT_TOP_MARGIN; 3291 r.bottom = (int) event.bottom - EVENT_RECT_BOTTOM_MARGIN; 3292 r.left = (int) event.left + EVENT_RECT_LEFT_MARGIN; 3293 r.right = (int) event.right - EVENT_RECT_RIGHT_MARGIN; 3294 return r; 3295 } 3296 3297 private Pattern drawTextSanitizerFilter = Pattern.compile("[\t\n],"); 3298 3299 // Sanitize a string before passing it to drawText or else we get little 3300 // squares. For newlines and tabs before a comma, delete the character. 3301 // Otherwise, just replace them with a space. 3302 private String drawTextSanitizer(String string, int maxEventTextLen) { 3303 Matcher m = drawTextSanitizerFilter.matcher(string); 3304 string = m.replaceAll(","); 3305 3306 int len = string.length(); 3307 if (len > maxEventTextLen) { 3308 string = string.substring(0, maxEventTextLen); 3309 len = maxEventTextLen; 3310 } 3311 3312 return string.replace('\n', ' '); 3313 } 3314 3315 private void drawEventText(StaticLayout eventLayout, Rect rect, Canvas canvas, int top, 3316 int bottom) { 3317 // drawEmptyRect(canvas, rect, 0xFFFF00FF); // for debugging 3318 3319 int width = rect.right - rect.left; 3320 int height = rect.bottom - rect.top; 3321 3322 // If the rectangle is too small for text, then return 3323 if (eventLayout == null || width < MIN_CELL_WIDTH_FOR_TEXT) { 3324 return; 3325 } 3326 3327 int totalLineHeight = 0; 3328 int lineCount = eventLayout.getLineCount(); 3329 for (int i = 0; i < lineCount; i++) { 3330 int lineBottom = eventLayout.getLineBottom(i); 3331 if (lineBottom <= height) { 3332 totalLineHeight = lineBottom; 3333 } else { 3334 break; 3335 } 3336 } 3337 3338 if (totalLineHeight == 0 || rect.top > bottom || rect.top + totalLineHeight < top) { 3339 return; 3340 } 3341 3342 // Use a StaticLayout to format the string. 3343 canvas.save(); 3344 canvas.translate(rect.left, rect.top); 3345 rect.left = 0; 3346 rect.right = width; 3347 rect.top = 0; 3348 rect.bottom = totalLineHeight; 3349 3350 // There's a bug somewhere. If this rect is outside of a previous 3351 // cliprect, this becomes a no-op. What happens is that the text draw 3352 // past the event rect. The current fix is to not draw the staticLayout 3353 // at all if it is completely out of bound. 3354 canvas.clipRect(rect); 3355 eventLayout.draw(canvas); 3356 canvas.restore(); 3357 } 3358 3359 // This is to replace p.setStyle(Style.STROKE); canvas.drawRect() since it 3360 // doesn't work well with hardware acceleration 3361// private void drawEmptyRect(Canvas canvas, Rect r, int color) { 3362// int linesIndex = 0; 3363// mLines[linesIndex++] = r.left; 3364// mLines[linesIndex++] = r.top; 3365// mLines[linesIndex++] = r.right; 3366// mLines[linesIndex++] = r.top; 3367// 3368// mLines[linesIndex++] = r.left; 3369// mLines[linesIndex++] = r.bottom; 3370// mLines[linesIndex++] = r.right; 3371// mLines[linesIndex++] = r.bottom; 3372// 3373// mLines[linesIndex++] = r.left; 3374// mLines[linesIndex++] = r.top; 3375// mLines[linesIndex++] = r.left; 3376// mLines[linesIndex++] = r.bottom; 3377// 3378// mLines[linesIndex++] = r.right; 3379// mLines[linesIndex++] = r.top; 3380// mLines[linesIndex++] = r.right; 3381// mLines[linesIndex++] = r.bottom; 3382// mPaint.setColor(color); 3383// canvas.drawLines(mLines, 0, linesIndex, mPaint); 3384// } 3385 3386 private void updateEventDetails() { 3387 if (mSelectedEvent == null || mSelectionMode == SELECTION_HIDDEN 3388 || mSelectionMode == SELECTION_LONGPRESS) { 3389 mPopup.dismiss(); 3390 return; 3391 } 3392 if (mLastPopupEventID == mSelectedEvent.id) { 3393 return; 3394 } 3395 3396 mLastPopupEventID = mSelectedEvent.id; 3397 3398 // Remove any outstanding callbacks to dismiss the popup. 3399 getHandler().removeCallbacks(mDismissPopup); 3400 3401 Event event = mSelectedEvent; 3402 TextView titleView = (TextView) mPopupView.findViewById(R.id.event_title); 3403 titleView.setText(event.title); 3404 3405 ImageView imageView = (ImageView) mPopupView.findViewById(R.id.reminder_icon); 3406 imageView.setVisibility(event.hasAlarm ? View.VISIBLE : View.GONE); 3407 3408 imageView = (ImageView) mPopupView.findViewById(R.id.repeat_icon); 3409 imageView.setVisibility(event.isRepeating ? View.VISIBLE : View.GONE); 3410 3411 int flags; 3412 if (event.allDay) { 3413 flags = DateUtils.FORMAT_UTC | DateUtils.FORMAT_SHOW_DATE 3414 | DateUtils.FORMAT_SHOW_WEEKDAY | DateUtils.FORMAT_ABBREV_ALL; 3415 } else { 3416 flags = DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_SHOW_DATE 3417 | DateUtils.FORMAT_SHOW_WEEKDAY | DateUtils.FORMAT_ABBREV_ALL 3418 | DateUtils.FORMAT_CAP_NOON_MIDNIGHT; 3419 } 3420 if (DateFormat.is24HourFormat(mContext)) { 3421 flags |= DateUtils.FORMAT_24HOUR; 3422 } 3423 String timeRange = Utils.formatDateRange(mContext, event.startMillis, event.endMillis, 3424 flags); 3425 TextView timeView = (TextView) mPopupView.findViewById(R.id.time); 3426 timeView.setText(timeRange); 3427 3428 TextView whereView = (TextView) mPopupView.findViewById(R.id.where); 3429 final boolean empty = TextUtils.isEmpty(event.location); 3430 whereView.setVisibility(empty ? View.GONE : View.VISIBLE); 3431 if (!empty) whereView.setText(event.location); 3432 3433 mPopup.showAtLocation(this, Gravity.BOTTOM | Gravity.LEFT, mHoursWidth, 5); 3434 postDelayed(mDismissPopup, POPUP_DISMISS_DELAY); 3435 } 3436 3437 // The following routines are called from the parent activity when certain 3438 // touch events occur. 3439 private void doDown(MotionEvent ev) { 3440 mTouchMode = TOUCH_MODE_DOWN; 3441 mViewStartX = 0; 3442 mOnFlingCalled = false; 3443 getHandler().removeCallbacks(mContinueScroll); 3444 } 3445 3446 // Kicks off all the animations when the expand allday area is tapped 3447 private void doExpandAllDayClick() { 3448 mShowAllAllDayEvents = !mShowAllAllDayEvents; 3449 3450 ObjectAnimator.setFrameDelay(0); 3451 3452 // Determine the starting height 3453 if (mAnimateDayHeight == 0) { 3454 mAnimateDayHeight = mShowAllAllDayEvents ? 3455 mAlldayHeight - (int) MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT : mAlldayHeight; 3456 } 3457 // Cancel current animations 3458 mCancellingAnimations = true; 3459 if (mAlldayAnimator != null) { 3460 mAlldayAnimator.cancel(); 3461 } 3462 if (mAlldayEventAnimator != null) { 3463 mAlldayEventAnimator.cancel(); 3464 } 3465 if (mMoreAlldayEventsAnimator != null) { 3466 mMoreAlldayEventsAnimator.cancel(); 3467 } 3468 mCancellingAnimations = false; 3469 // get new animators 3470 mAlldayAnimator = getAllDayAnimator(); 3471 mAlldayEventAnimator = getAllDayEventAnimator(); 3472 mMoreAlldayEventsAnimator = ObjectAnimator.ofInt(this, 3473 "moreAllDayEventsTextAlpha", 3474 mShowAllAllDayEvents ? MORE_EVENTS_MAX_ALPHA : 0, 3475 mShowAllAllDayEvents ? 0 : MORE_EVENTS_MAX_ALPHA); 3476 3477 // Set up delays and start the animators 3478 mAlldayAnimator.setStartDelay(mShowAllAllDayEvents ? ANIMATION_SECONDARY_DURATION : 0); 3479 mAlldayAnimator.start(); 3480 mMoreAlldayEventsAnimator.setStartDelay(mShowAllAllDayEvents ? 0 : ANIMATION_DURATION); 3481 mMoreAlldayEventsAnimator.setDuration(ANIMATION_SECONDARY_DURATION); 3482 mMoreAlldayEventsAnimator.start(); 3483 if (mAlldayEventAnimator != null) { 3484 // This is the only animator that can return null, so check it 3485 mAlldayEventAnimator 3486 .setStartDelay(mShowAllAllDayEvents ? ANIMATION_SECONDARY_DURATION : 0); 3487 mAlldayEventAnimator.start(); 3488 } 3489 } 3490 3491 /** 3492 * Figures out the initial heights for allDay events and space when 3493 * a view is being set up. 3494 */ 3495 public void initAllDayHeights() { 3496 if (mMaxAlldayEvents <= mMaxUnexpandedAlldayEventCount) { 3497 return; 3498 } 3499 if (mShowAllAllDayEvents) { 3500 int maxADHeight = mViewHeight - DAY_HEADER_HEIGHT - MIN_HOURS_HEIGHT; 3501 maxADHeight = Math.min(maxADHeight, 3502 (int)(mMaxAlldayEvents * MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT)); 3503 mAnimateDayEventHeight = maxADHeight / mMaxAlldayEvents; 3504 } else { 3505 mAnimateDayEventHeight = (int)MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT; 3506 } 3507 } 3508 3509 // Sets up an animator for changing the height of allday events 3510 private ObjectAnimator getAllDayEventAnimator() { 3511 // First calculate the absolute max height 3512 int maxADHeight = mViewHeight - DAY_HEADER_HEIGHT - MIN_HOURS_HEIGHT; 3513 // Now expand to fit but not beyond the absolute max 3514 maxADHeight = 3515 Math.min(maxADHeight, (int)(mMaxAlldayEvents * MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT)); 3516 // calculate the height of individual events in order to fit 3517 int fitHeight = maxADHeight / mMaxAlldayEvents; 3518 int currentHeight = mAnimateDayEventHeight; 3519 int desiredHeight = 3520 mShowAllAllDayEvents ? fitHeight : (int)MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT; 3521 // if there's nothing to animate just return 3522 if (currentHeight == desiredHeight) { 3523 return null; 3524 } 3525 3526 // Set up the animator with the calculated values 3527 ObjectAnimator animator = ObjectAnimator.ofInt(this, "animateDayEventHeight", 3528 currentHeight, desiredHeight); 3529 animator.setDuration(ANIMATION_DURATION); 3530 return animator; 3531 } 3532 3533 // Sets up an animator for changing the height of the allday area 3534 private ObjectAnimator getAllDayAnimator() { 3535 // Calculate the absolute max height 3536 int maxADHeight = mViewHeight - DAY_HEADER_HEIGHT - MIN_HOURS_HEIGHT; 3537 // Find the desired height but don't exceed abs max 3538 maxADHeight = 3539 Math.min(maxADHeight, (int)(mMaxAlldayEvents * MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT)); 3540 // calculate the current and desired heights 3541 int currentHeight = mAnimateDayHeight != 0 ? mAnimateDayHeight : mAlldayHeight; 3542 int desiredHeight = mShowAllAllDayEvents ? maxADHeight : 3543 (int) (MAX_UNEXPANDED_ALLDAY_HEIGHT - MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT - 1); 3544 3545 // Set up the animator with the calculated values 3546 ObjectAnimator animator = ObjectAnimator.ofInt(this, "animateDayHeight", 3547 currentHeight, desiredHeight); 3548 animator.setDuration(ANIMATION_DURATION); 3549 3550 animator.addListener(new AnimatorListenerAdapter() { 3551 @Override 3552 public void onAnimationEnd(Animator animation) { 3553 if (!mCancellingAnimations) { 3554 // when finished, set this to 0 to signify not animating 3555 mAnimateDayHeight = 0; 3556 mUseExpandIcon = !mShowAllAllDayEvents; 3557 } 3558 mRemeasure = true; 3559 invalidate(); 3560 } 3561 }); 3562 return animator; 3563 } 3564 3565 // setter for the 'box +n' alpha text used by the animator 3566 public void setMoreAllDayEventsTextAlpha(int alpha) { 3567 mMoreAlldayEventsTextAlpha = alpha; 3568 invalidate(); 3569 } 3570 3571 // setter for the height of the allday area used by the animator 3572 public void setAnimateDayHeight(int height) { 3573 mAnimateDayHeight = height; 3574 mRemeasure = true; 3575 invalidate(); 3576 } 3577 3578 // setter for the height of allday events used by the animator 3579 public void setAnimateDayEventHeight(int height) { 3580 mAnimateDayEventHeight = height; 3581 mRemeasure = true; 3582 invalidate(); 3583 } 3584 3585 private void doSingleTapUp(MotionEvent ev) { 3586 if (!mHandleActionUp || mScrolling) { 3587 return; 3588 } 3589 3590 int x = (int) ev.getX(); 3591 int y = (int) ev.getY(); 3592 int selectedDay = mSelectionDay; 3593 int selectedHour = mSelectionHour; 3594 3595 if (mMaxAlldayEvents > mMaxUnexpandedAlldayEventCount) { 3596 // check if the tap was in the allday expansion area 3597 int bottom = mFirstCell; 3598 if((x < mHoursWidth && y > DAY_HEADER_HEIGHT && y < DAY_HEADER_HEIGHT + mAlldayHeight) 3599 || (!mShowAllAllDayEvents && mAnimateDayHeight == 0 && y < bottom && 3600 y >= bottom - MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT)) { 3601 doExpandAllDayClick(); 3602 return; 3603 } 3604 } 3605 3606 boolean validPosition = setSelectionFromPosition(x, y); 3607 if (!validPosition) { 3608 if (y < DAY_HEADER_HEIGHT) { 3609 Time selectedTime = new Time(mBaseDate); 3610 selectedTime.setJulianDay(mSelectionDay); 3611 selectedTime.hour = mSelectionHour; 3612 selectedTime.normalize(true /* ignore isDst */); 3613 mController.sendEvent(this, EventType.GO_TO, null, null, selectedTime, -1, 3614 ViewType.DAY, CalendarController.EXTRA_GOTO_DATE, null, null); 3615 } 3616 return; 3617 } 3618 3619 boolean hasSelection = mSelectionMode == SELECTION_SELECTED; 3620 boolean pressedSelected = (hasSelection || mTouchExplorationEnabled) 3621 && selectedDay == mSelectionDay && selectedHour == mSelectionHour; 3622 3623 if (pressedSelected) { 3624 // If the tap is on an already selected hour slot, then create a new 3625 // event 3626 long extraLong = 0; 3627 if (mSelectionAllday) { 3628 extraLong = CalendarController.EXTRA_CREATE_ALL_DAY; 3629 } 3630 mSelectionMode = SELECTION_SELECTED; 3631 mController.sendEventRelatedEventWithExtra(this, EventType.CREATE_EVENT, -1, 3632 getSelectedTimeInMillis(), 0, (int) ev.getRawX(), (int) ev.getRawY(), 3633 extraLong, -1); 3634 } else if (mSelectedEvent != null) { 3635 // If the tap is on an event, launch the "View event" view 3636 if (mIsAccessibilityEnabled) { 3637 mAccessibilityMgr.interrupt(); 3638 } 3639 3640 mSelectionMode = SELECTION_HIDDEN; 3641 mController.sendEventRelatedEvent(this, EventType.VIEW_EVENT, mSelectedEvent.id, 3642 mSelectedEvent.startMillis, mSelectedEvent.endMillis, (int) ev.getRawX(), 3643 (int) ev.getRawY(), getSelectedTimeInMillis()); 3644 } else { 3645 // Select time 3646 Time startTime = new Time(mBaseDate); 3647 startTime.setJulianDay(mSelectionDay); 3648 startTime.hour = mSelectionHour; 3649 startTime.normalize(true /* ignore isDst */); 3650 3651 Time endTime = new Time(startTime); 3652 endTime.hour++; 3653 3654 mSelectionMode = SELECTION_SELECTED; 3655 mController.sendEvent(this, EventType.GO_TO, startTime, endTime, -1, ViewType.CURRENT, 3656 CalendarController.EXTRA_GOTO_TIME, null, null); 3657 } 3658 invalidate(); 3659 } 3660 3661 private void doLongPress(MotionEvent ev) { 3662 if (mScrolling) { 3663 return; 3664 } 3665 3666 // Scale gesture in progress 3667 if (mStartingSpanY != 0) { 3668 return; 3669 } 3670 3671 int x = (int) ev.getX(); 3672 int y = (int) ev.getY(); 3673 3674 boolean validPosition = setSelectionFromPosition(x, y); 3675 if (!validPosition) { 3676 // return if the touch wasn't on an area of concern 3677 return; 3678 } 3679 3680 mSelectionMode = SELECTION_LONGPRESS; 3681 invalidate(); 3682 performLongClick(); 3683 } 3684 3685 private void doScroll(MotionEvent e1, MotionEvent e2, float deltaX, float deltaY) { 3686 cancelAnimation(); 3687 if (mStartingScroll) { 3688 mInitialScrollX = 0; 3689 mInitialScrollY = 0; 3690 mStartingScroll = false; 3691 } 3692 3693 mInitialScrollX += deltaX; 3694 mInitialScrollY += deltaY; 3695 int distanceX = (int) mInitialScrollX; 3696 int distanceY = (int) mInitialScrollY; 3697 3698 // If we haven't figured out the predominant scroll direction yet, 3699 // then do it now. 3700 if (mTouchMode == TOUCH_MODE_DOWN) { 3701 int absDistanceX = Math.abs(distanceX); 3702 int absDistanceY = Math.abs(distanceY); 3703 mScrollStartY = mViewStartY; 3704 mPreviousDirection = 0; 3705 3706 if (absDistanceX > absDistanceY) { 3707 mTouchMode = TOUCH_MODE_HSCROLL; 3708 mViewStartX = distanceX; 3709 initNextView(-mViewStartX); 3710 } else { 3711 mTouchMode = TOUCH_MODE_VSCROLL; 3712 } 3713 } else if ((mTouchMode & TOUCH_MODE_HSCROLL) != 0) { 3714 // We are already scrolling horizontally, so check if we 3715 // changed the direction of scrolling so that the other week 3716 // is now visible. 3717 mViewStartX = distanceX; 3718 if (distanceX != 0) { 3719 int direction = (distanceX > 0) ? 1 : -1; 3720 if (direction != mPreviousDirection) { 3721 // The user has switched the direction of scrolling 3722 // so re-init the next view 3723 initNextView(-mViewStartX); 3724 mPreviousDirection = direction; 3725 } 3726 } 3727 } 3728 3729 if ((mTouchMode & TOUCH_MODE_VSCROLL) != 0) { 3730 mViewStartY = mScrollStartY + distanceY; 3731 3732 // If dragging while already at the end, do a glow 3733 final int pulledToY = (int) (mScrollStartY + deltaY); 3734 if (pulledToY < 0) { 3735 mEdgeEffectTop.onPull(deltaY / mViewHeight); 3736 if (!mEdgeEffectBottom.isFinished()) { 3737 mEdgeEffectBottom.onRelease(); 3738 } 3739 } else if (pulledToY > mMaxViewStartY) { 3740 mEdgeEffectBottom.onPull(deltaY / mViewHeight); 3741 if (!mEdgeEffectTop.isFinished()) { 3742 mEdgeEffectTop.onRelease(); 3743 } 3744 } 3745 3746 if (mViewStartY < 0) { 3747 mViewStartY = 0; 3748 } else if (mViewStartY > mMaxViewStartY) { 3749 mViewStartY = mMaxViewStartY; 3750 } 3751 computeFirstHour(); 3752 } 3753 3754 mScrolling = true; 3755 3756 mSelectionMode = SELECTION_HIDDEN; 3757 invalidate(); 3758 } 3759 3760 private void cancelAnimation() { 3761 Animation in = mViewSwitcher.getInAnimation(); 3762 if (in != null) { 3763 // cancel() doesn't terminate cleanly. 3764 in.scaleCurrentDuration(0); 3765 } 3766 Animation out = mViewSwitcher.getOutAnimation(); 3767 if (out != null) { 3768 // cancel() doesn't terminate cleanly. 3769 out.scaleCurrentDuration(0); 3770 } 3771 } 3772 3773 private void doFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 3774 cancelAnimation(); 3775 3776 mSelectionMode = SELECTION_HIDDEN; 3777 mOnFlingCalled = true; 3778 3779 if ((mTouchMode & TOUCH_MODE_HSCROLL) != 0) { 3780 // Horizontal fling. 3781 // initNextView(deltaX); 3782 mTouchMode = TOUCH_MODE_INITIAL_STATE; 3783 if (DEBUG) Log.d(TAG, "doFling: velocityX " + velocityX); 3784 int deltaX = (int) e2.getX() - (int) e1.getX(); 3785 switchViews(deltaX < 0, mViewStartX, mViewWidth, velocityX); 3786 mViewStartX = 0; 3787 return; 3788 } 3789 3790 if ((mTouchMode & TOUCH_MODE_VSCROLL) == 0) { 3791 if (DEBUG) Log.d(TAG, "doFling: no fling"); 3792 return; 3793 } 3794 3795 // Vertical fling. 3796 mTouchMode = TOUCH_MODE_INITIAL_STATE; 3797 mViewStartX = 0; 3798 3799 if (DEBUG) { 3800 Log.d(TAG, "doFling: mViewStartY" + mViewStartY + " velocityY " + velocityY); 3801 } 3802 3803 // Continue scrolling vertically 3804 mScrolling = true; 3805 mScroller.fling(0 /* startX */, mViewStartY /* startY */, 0 /* velocityX */, 3806 (int) -velocityY, 0 /* minX */, 0 /* maxX */, 0 /* minY */, 3807 mMaxViewStartY /* maxY */, OVERFLING_DISTANCE, OVERFLING_DISTANCE); 3808 3809 // When flinging down, show a glow when it hits the end only if it 3810 // wasn't started at the top 3811 if (velocityY > 0 && mViewStartY != 0) { 3812 mCallEdgeEffectOnAbsorb = true; 3813 } 3814 // When flinging up, show a glow when it hits the end only if it wasn't 3815 // started at the bottom 3816 else if (velocityY < 0 && mViewStartY != mMaxViewStartY) { 3817 mCallEdgeEffectOnAbsorb = true; 3818 } 3819 post(mContinueScroll); 3820 } 3821 3822 private boolean initNextView(int deltaX) { 3823 // Change the view to the previous day or week 3824 DayView view = (DayView) mViewSwitcher.getNextView(); 3825 Time date = view.mBaseDate; 3826 date.set(mBaseDate); 3827 boolean switchForward; 3828 if (deltaX > 0) { 3829 date.monthDay -= mNumDays; 3830 view.mSelectionDay = mSelectionDay - mNumDays; 3831 switchForward = false; 3832 } else { 3833 date.monthDay += mNumDays; 3834 view.mSelectionDay = mSelectionDay + mNumDays; 3835 switchForward = true; 3836 } 3837 date.normalize(true /* ignore isDst */); 3838 initView(view); 3839 view.layout(getLeft(), getTop(), getRight(), getBottom()); 3840 view.reloadEvents(); 3841 return switchForward; 3842 } 3843 3844 // ScaleGestureDetector.OnScaleGestureListener 3845 public boolean onScaleBegin(ScaleGestureDetector detector) { 3846 mHandleActionUp = false; 3847 float gestureCenterInPixels = detector.getFocusY() - DAY_HEADER_HEIGHT - mAlldayHeight; 3848 mGestureCenterHour = (mViewStartY + gestureCenterInPixels) / (mCellHeight + DAY_GAP); 3849 3850 mStartingSpanY = Math.max(MIN_Y_SPAN, Math.abs(detector.getCurrentSpanY())); 3851 mCellHeightBeforeScaleGesture = mCellHeight; 3852 3853 if (DEBUG_SCALING) { 3854 float ViewStartHour = mViewStartY / (float) (mCellHeight + DAY_GAP); 3855 Log.d(TAG, "onScaleBegin: mGestureCenterHour:" + mGestureCenterHour 3856 + "\tViewStartHour: " + ViewStartHour + "\tmViewStartY:" + mViewStartY 3857 + "\tmCellHeight:" + mCellHeight + " SpanY:" + detector.getCurrentSpanY()); 3858 } 3859 3860 return true; 3861 } 3862 3863 // ScaleGestureDetector.OnScaleGestureListener 3864 public boolean onScale(ScaleGestureDetector detector) { 3865 float spanY = Math.max(MIN_Y_SPAN, Math.abs(detector.getCurrentSpanY())); 3866 3867 mCellHeight = (int) (mCellHeightBeforeScaleGesture * spanY / mStartingSpanY); 3868 3869 if (mCellHeight < mMinCellHeight) { 3870 // If mStartingSpanY is too small, even a small increase in the 3871 // gesture can bump the mCellHeight beyond MAX_CELL_HEIGHT 3872 mStartingSpanY = spanY; 3873 mCellHeight = mMinCellHeight; 3874 mCellHeightBeforeScaleGesture = mMinCellHeight; 3875 } else if (mCellHeight > MAX_CELL_HEIGHT) { 3876 mStartingSpanY = spanY; 3877 mCellHeight = MAX_CELL_HEIGHT; 3878 mCellHeightBeforeScaleGesture = MAX_CELL_HEIGHT; 3879 } 3880 3881 int gestureCenterInPixels = (int) detector.getFocusY() - DAY_HEADER_HEIGHT - mAlldayHeight; 3882 mViewStartY = (int) (mGestureCenterHour * (mCellHeight + DAY_GAP)) - gestureCenterInPixels; 3883 mMaxViewStartY = HOUR_GAP + 24 * (mCellHeight + HOUR_GAP) - mGridAreaHeight; 3884 3885 if (DEBUG_SCALING) { 3886 float ViewStartHour = mViewStartY / (float) (mCellHeight + DAY_GAP); 3887 Log.d(TAG, "onScale: mGestureCenterHour:" + mGestureCenterHour + "\tViewStartHour: " 3888 + ViewStartHour + "\tmViewStartY:" + mViewStartY + "\tmCellHeight:" 3889 + mCellHeight + " SpanY:" + detector.getCurrentSpanY()); 3890 } 3891 3892 if (mViewStartY < 0) { 3893 mViewStartY = 0; 3894 mGestureCenterHour = (mViewStartY + gestureCenterInPixels) 3895 / (float) (mCellHeight + DAY_GAP); 3896 } else if (mViewStartY > mMaxViewStartY) { 3897 mViewStartY = mMaxViewStartY; 3898 mGestureCenterHour = (mViewStartY + gestureCenterInPixels) 3899 / (float) (mCellHeight + DAY_GAP); 3900 } 3901 computeFirstHour(); 3902 3903 mRemeasure = true; 3904 invalidate(); 3905 return true; 3906 } 3907 3908 // ScaleGestureDetector.OnScaleGestureListener 3909 public void onScaleEnd(ScaleGestureDetector detector) { 3910 mScrollStartY = mViewStartY; 3911 mInitialScrollY = 0; 3912 mInitialScrollX = 0; 3913 mStartingSpanY = 0; 3914 } 3915 3916 @Override 3917 public boolean onTouchEvent(MotionEvent ev) { 3918 int action = ev.getAction(); 3919 if (DEBUG) Log.e(TAG, "" + action + " ev.getPointerCount() = " + ev.getPointerCount()); 3920 3921 if ((mTouchMode & TOUCH_MODE_HSCROLL) == 0) { 3922 mScaleGestureDetector.onTouchEvent(ev); 3923 if (mScaleGestureDetector.isInProgress()) { 3924 return true; 3925 } 3926 } 3927 3928 switch (action) { 3929 case MotionEvent.ACTION_DOWN: 3930 mStartingScroll = true; 3931 if (DEBUG) { 3932 Log.e(TAG, "ACTION_DOWN ev.getDownTime = " + ev.getDownTime() + " Cnt=" 3933 + ev.getPointerCount()); 3934 } 3935 3936 int bottom = mAlldayHeight + DAY_HEADER_HEIGHT + ALLDAY_TOP_MARGIN; 3937 if (ev.getY() < bottom) { 3938 mTouchStartedInAlldayArea = true; 3939 } else { 3940 mTouchStartedInAlldayArea = false; 3941 } 3942 mHandleActionUp = true; 3943 mGestureDetector.onTouchEvent(ev); 3944 return true; 3945 3946 case MotionEvent.ACTION_MOVE: 3947 if (DEBUG) Log.e(TAG, "ACTION_MOVE Cnt=" + ev.getPointerCount() + DayView.this); 3948 mGestureDetector.onTouchEvent(ev); 3949 return true; 3950 3951 case MotionEvent.ACTION_UP: 3952 if (DEBUG) Log.e(TAG, "ACTION_UP Cnt=" + ev.getPointerCount() + mHandleActionUp); 3953 mEdgeEffectTop.onRelease(); 3954 mEdgeEffectBottom.onRelease(); 3955 mStartingScroll = false; 3956 mGestureDetector.onTouchEvent(ev); 3957 if (!mHandleActionUp) { 3958 mHandleActionUp = true; 3959 return true; 3960 } 3961 if (mOnFlingCalled) { 3962 return true; 3963 } 3964 if ((mTouchMode & TOUCH_MODE_HSCROLL) != 0) { 3965 mTouchMode = TOUCH_MODE_INITIAL_STATE; 3966 if (Math.abs(mViewStartX) > mHorizontalSnapBackThreshold) { 3967 // The user has gone beyond the threshold so switch views 3968 if (DEBUG) Log.d(TAG, "- horizontal scroll: switch views"); 3969 switchViews(mViewStartX > 0, mViewStartX, mViewWidth, 0); 3970 mViewStartX = 0; 3971 return true; 3972 } else { 3973 // Not beyond the threshold so invalidate which will cause 3974 // the view to snap back. Also call recalc() to ensure 3975 // that we have the correct starting date and title. 3976 if (DEBUG) Log.d(TAG, "- horizontal scroll: snap back"); 3977 recalc(); 3978 invalidate(); 3979 mViewStartX = 0; 3980 } 3981 } 3982 3983 // If we were scrolling, then reset the selected hour so that it 3984 // is visible. 3985 if (mScrolling) { 3986 mScrolling = false; 3987 resetSelectedHour(); 3988 invalidate(); 3989 } 3990 return true; 3991 3992 // This case isn't expected to happen. 3993 case MotionEvent.ACTION_CANCEL: 3994 if (DEBUG) Log.e(TAG, "ACTION_CANCEL"); 3995 mGestureDetector.onTouchEvent(ev); 3996 mScrolling = false; 3997 resetSelectedHour(); 3998 return true; 3999 4000 default: 4001 if (DEBUG) Log.e(TAG, "Not MotionEvent " + ev.toString()); 4002 if (mGestureDetector.onTouchEvent(ev)) { 4003 return true; 4004 } 4005 return super.onTouchEvent(ev); 4006 } 4007 } 4008 4009 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo menuInfo) { 4010 MenuItem item; 4011 4012 // If the trackball is held down, then the context menu pops up and 4013 // we never get onKeyUp() for the long-press. So check for it here 4014 // and change the selection to the long-press state. 4015 if (mSelectionMode != SELECTION_LONGPRESS) { 4016 mSelectionMode = SELECTION_LONGPRESS; 4017 invalidate(); 4018 } 4019 4020 final long startMillis = getSelectedTimeInMillis(); 4021 int flags = DateUtils.FORMAT_SHOW_TIME 4022 | DateUtils.FORMAT_CAP_NOON_MIDNIGHT 4023 | DateUtils.FORMAT_SHOW_WEEKDAY; 4024 final String title = Utils.formatDateRange(mContext, startMillis, startMillis, flags); 4025 menu.setHeaderTitle(title); 4026 4027 int numSelectedEvents = mSelectedEvents.size(); 4028 if (mNumDays == 1) { 4029 // Day view. 4030 4031 // If there is a selected event, then allow it to be viewed and 4032 // edited. 4033 if (numSelectedEvents >= 1) { 4034 item = menu.add(0, MENU_EVENT_VIEW, 0, R.string.event_view); 4035 item.setOnMenuItemClickListener(mContextMenuHandler); 4036 item.setIcon(android.R.drawable.ic_menu_info_details); 4037 4038 int accessLevel = getEventAccessLevel(mContext, mSelectedEvent); 4039 if (accessLevel == ACCESS_LEVEL_EDIT) { 4040 item = menu.add(0, MENU_EVENT_EDIT, 0, R.string.event_edit); 4041 item.setOnMenuItemClickListener(mContextMenuHandler); 4042 item.setIcon(android.R.drawable.ic_menu_edit); 4043 item.setAlphabeticShortcut('e'); 4044 } 4045 4046 if (accessLevel >= ACCESS_LEVEL_DELETE) { 4047 item = menu.add(0, MENU_EVENT_DELETE, 0, R.string.event_delete); 4048 item.setOnMenuItemClickListener(mContextMenuHandler); 4049 item.setIcon(android.R.drawable.ic_menu_delete); 4050 } 4051 4052 item = menu.add(0, MENU_EVENT_CREATE, 0, R.string.event_create); 4053 item.setOnMenuItemClickListener(mContextMenuHandler); 4054 item.setIcon(android.R.drawable.ic_menu_add); 4055 item.setAlphabeticShortcut('n'); 4056 } else { 4057 // Otherwise, if the user long-pressed on a blank hour, allow 4058 // them to create an event. They can also do this by tapping. 4059 item = menu.add(0, MENU_EVENT_CREATE, 0, R.string.event_create); 4060 item.setOnMenuItemClickListener(mContextMenuHandler); 4061 item.setIcon(android.R.drawable.ic_menu_add); 4062 item.setAlphabeticShortcut('n'); 4063 } 4064 } else { 4065 // Week view. 4066 4067 // If there is a selected event, then allow it to be viewed and 4068 // edited. 4069 if (numSelectedEvents >= 1) { 4070 item = menu.add(0, MENU_EVENT_VIEW, 0, R.string.event_view); 4071 item.setOnMenuItemClickListener(mContextMenuHandler); 4072 item.setIcon(android.R.drawable.ic_menu_info_details); 4073 4074 int accessLevel = getEventAccessLevel(mContext, mSelectedEvent); 4075 if (accessLevel == ACCESS_LEVEL_EDIT) { 4076 item = menu.add(0, MENU_EVENT_EDIT, 0, R.string.event_edit); 4077 item.setOnMenuItemClickListener(mContextMenuHandler); 4078 item.setIcon(android.R.drawable.ic_menu_edit); 4079 item.setAlphabeticShortcut('e'); 4080 } 4081 4082 if (accessLevel >= ACCESS_LEVEL_DELETE) { 4083 item = menu.add(0, MENU_EVENT_DELETE, 0, R.string.event_delete); 4084 item.setOnMenuItemClickListener(mContextMenuHandler); 4085 item.setIcon(android.R.drawable.ic_menu_delete); 4086 } 4087 } 4088 4089 item = menu.add(0, MENU_EVENT_CREATE, 0, R.string.event_create); 4090 item.setOnMenuItemClickListener(mContextMenuHandler); 4091 item.setIcon(android.R.drawable.ic_menu_add); 4092 item.setAlphabeticShortcut('n'); 4093 4094 item = menu.add(0, MENU_DAY, 0, R.string.show_day_view); 4095 item.setOnMenuItemClickListener(mContextMenuHandler); 4096 item.setIcon(android.R.drawable.ic_menu_day); 4097 item.setAlphabeticShortcut('d'); 4098 } 4099 4100 mPopup.dismiss(); 4101 } 4102 4103 private class ContextMenuHandler implements MenuItem.OnMenuItemClickListener { 4104 public boolean onMenuItemClick(MenuItem item) { 4105 switch (item.getItemId()) { 4106 case MENU_EVENT_VIEW: { 4107 if (mSelectedEvent != null) { 4108 mController.sendEventRelatedEvent(this, EventType.VIEW_EVENT_DETAILS, 4109 mSelectedEvent.id, mSelectedEvent.startMillis, 4110 mSelectedEvent.endMillis, 0, 0, -1); 4111 } 4112 break; 4113 } 4114 case MENU_EVENT_EDIT: { 4115 if (mSelectedEvent != null) { 4116 mController.sendEventRelatedEvent(this, EventType.EDIT_EVENT, 4117 mSelectedEvent.id, mSelectedEvent.startMillis, 4118 mSelectedEvent.endMillis, 0, 0, -1); 4119 } 4120 break; 4121 } 4122 case MENU_DAY: { 4123 mController.sendEvent(this, EventType.GO_TO, getSelectedTime(), null, -1, 4124 ViewType.DAY); 4125 break; 4126 } 4127 case MENU_AGENDA: { 4128 mController.sendEvent(this, EventType.GO_TO, getSelectedTime(), null, -1, 4129 ViewType.AGENDA); 4130 break; 4131 } 4132 case MENU_EVENT_CREATE: { 4133 long startMillis = getSelectedTimeInMillis(); 4134 long endMillis = startMillis + DateUtils.HOUR_IN_MILLIS; 4135 mController.sendEventRelatedEvent(this, EventType.CREATE_EVENT, -1, 4136 startMillis, endMillis, 0, 0, -1); 4137 break; 4138 } 4139 case MENU_EVENT_DELETE: { 4140 if (mSelectedEvent != null) { 4141 Event selectedEvent = mSelectedEvent; 4142 long begin = selectedEvent.startMillis; 4143 long end = selectedEvent.endMillis; 4144 long id = selectedEvent.id; 4145 mController.sendEventRelatedEvent(this, EventType.DELETE_EVENT, id, begin, 4146 end, 0, 0, -1); 4147 } 4148 break; 4149 } 4150 default: { 4151 return false; 4152 } 4153 } 4154 return true; 4155 } 4156 } 4157 4158 private static int getEventAccessLevel(Context context, Event e) { 4159 ContentResolver cr = context.getContentResolver(); 4160 4161 int accessLevel = Calendars.CAL_ACCESS_NONE; 4162 4163 // Get the calendar id for this event 4164 Cursor cursor = cr.query(ContentUris.withAppendedId(Events.CONTENT_URI, e.id), 4165 new String[] { Events.CALENDAR_ID }, 4166 null /* selection */, 4167 null /* selectionArgs */, 4168 null /* sort */); 4169 4170 if (cursor == null) { 4171 return ACCESS_LEVEL_NONE; 4172 } 4173 4174 if (cursor.getCount() == 0) { 4175 cursor.close(); 4176 return ACCESS_LEVEL_NONE; 4177 } 4178 4179 cursor.moveToFirst(); 4180 long calId = cursor.getLong(0); 4181 cursor.close(); 4182 4183 Uri uri = Calendars.CONTENT_URI; 4184 String where = String.format(CALENDARS_WHERE, calId); 4185 cursor = cr.query(uri, CALENDARS_PROJECTION, where, null, null); 4186 4187 String calendarOwnerAccount = null; 4188 if (cursor != null) { 4189 cursor.moveToFirst(); 4190 accessLevel = cursor.getInt(CALENDARS_INDEX_ACCESS_LEVEL); 4191 calendarOwnerAccount = cursor.getString(CALENDARS_INDEX_OWNER_ACCOUNT); 4192 cursor.close(); 4193 } 4194 4195 if (accessLevel < Calendars.CAL_ACCESS_CONTRIBUTOR) { 4196 return ACCESS_LEVEL_NONE; 4197 } 4198 4199 if (e.guestsCanModify) { 4200 return ACCESS_LEVEL_EDIT; 4201 } 4202 4203 if (!TextUtils.isEmpty(calendarOwnerAccount) 4204 && calendarOwnerAccount.equalsIgnoreCase(e.organizer)) { 4205 return ACCESS_LEVEL_EDIT; 4206 } 4207 4208 return ACCESS_LEVEL_DELETE; 4209 } 4210 4211 /** 4212 * Sets mSelectionDay and mSelectionHour based on the (x,y) touch position. 4213 * If the touch position is not within the displayed grid, then this 4214 * method returns false. 4215 * 4216 * @param x the x position of the touch 4217 * @param y the y position of the touch 4218 * @return true if the touch position is valid 4219 */ 4220 private boolean setSelectionFromPosition(int x, final int y) { 4221 if (x < mHoursWidth) { 4222 x = mHoursWidth; 4223 } 4224 4225 int day = (x - mHoursWidth) / (mCellWidth + DAY_GAP); 4226 if (day >= mNumDays) { 4227 day = mNumDays - 1; 4228 } 4229 day += mFirstJulianDay; 4230 mSelectionDay = day; 4231 4232 if (y < DAY_HEADER_HEIGHT) { 4233 sendAccessibilityEventAsNeeded(false); 4234 return false; 4235 } 4236 4237 mSelectionHour = mFirstHour; /* First fully visible hour */ 4238 4239 if (y < mFirstCell) { 4240 mSelectionAllday = true; 4241 } else { 4242 // y is now offset from top of the scrollable region 4243 int adjustedY = y - mFirstCell; 4244 4245 if (adjustedY < mFirstHourOffset) { 4246 --mSelectionHour; /* In the partially visible hour */ 4247 } else { 4248 mSelectionHour += (adjustedY - mFirstHourOffset) / (mCellHeight + HOUR_GAP); 4249 } 4250 4251 mSelectionAllday = false; 4252 } 4253 4254 findSelectedEvent(x, y); 4255 4256// Log.i("Cal", "setSelectionFromPosition( " + x + ", " + y + " ) day: " + day + " hour: " 4257// + mSelectionHour + " mFirstCell: " + mFirstCell + " mFirstHourOffset: " 4258// + mFirstHourOffset); 4259// if (mSelectedEvent != null) { 4260// Log.i("Cal", " num events: " + mSelectedEvents.size() + " event: " 4261// + mSelectedEvent.title); 4262// for (Event ev : mSelectedEvents) { 4263// int flags = DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_ABBREV_ALL 4264// | DateUtils.FORMAT_CAP_NOON_MIDNIGHT; 4265// String timeRange = formatDateRange(mContext, ev.startMillis, ev.endMillis, flags); 4266// 4267// Log.i("Cal", " " + timeRange + " " + ev.title); 4268// } 4269// } 4270 sendAccessibilityEventAsNeeded(true); 4271 return true; 4272 } 4273 4274 private void findSelectedEvent(int x, int y) { 4275 int date = mSelectionDay; 4276 int cellWidth = mCellWidth; 4277 ArrayList<Event> events = mEvents; 4278 int numEvents = events.size(); 4279 int left = computeDayLeftPosition(mSelectionDay - mFirstJulianDay); 4280 int top = 0; 4281 mSelectedEvent = null; 4282 4283 mSelectedEvents.clear(); 4284 if (mSelectionAllday) { 4285 float yDistance; 4286 float minYdistance = 10000.0f; // any large number 4287 Event closestEvent = null; 4288 float drawHeight = mAlldayHeight; 4289 int yOffset = DAY_HEADER_HEIGHT + ALLDAY_TOP_MARGIN; 4290 int maxUnexpandedColumn = mMaxUnexpandedAlldayEventCount; 4291 if (mMaxAlldayEvents > mMaxUnexpandedAlldayEventCount) { 4292 // Leave a gap for the 'box +n' text 4293 maxUnexpandedColumn--; 4294 } 4295 events = mAllDayEvents; 4296 numEvents = events.size(); 4297 for (int i = 0; i < numEvents; i++) { 4298 Event event = events.get(i); 4299 if (!event.drawAsAllday() || 4300 (!mShowAllAllDayEvents && event.getColumn() >= maxUnexpandedColumn)) { 4301 // Don't check non-allday events or events that aren't shown 4302 continue; 4303 } 4304 4305 if (event.startDay <= mSelectionDay && event.endDay >= mSelectionDay) { 4306 float numRectangles = mShowAllAllDayEvents ? mMaxAlldayEvents 4307 : mMaxUnexpandedAlldayEventCount; 4308 float height = drawHeight / numRectangles; 4309 if (height > MAX_HEIGHT_OF_ONE_ALLDAY_EVENT) { 4310 height = MAX_HEIGHT_OF_ONE_ALLDAY_EVENT; 4311 } 4312 float eventTop = yOffset + height * event.getColumn(); 4313 float eventBottom = eventTop + height; 4314 if (eventTop < y && eventBottom > y) { 4315 // If the touch is inside the event rectangle, then 4316 // add the event. 4317 mSelectedEvents.add(event); 4318 closestEvent = event; 4319 break; 4320 } else { 4321 // Find the closest event 4322 if (eventTop >= y) { 4323 yDistance = eventTop - y; 4324 } else { 4325 yDistance = y - eventBottom; 4326 } 4327 if (yDistance < minYdistance) { 4328 minYdistance = yDistance; 4329 closestEvent = event; 4330 } 4331 } 4332 } 4333 } 4334 mSelectedEvent = closestEvent; 4335 return; 4336 } 4337 4338 // Adjust y for the scrollable bitmap 4339 y += mViewStartY - mFirstCell; 4340 4341 // Use a region around (x,y) for the selection region 4342 Rect region = mRect; 4343 region.left = x - 10; 4344 region.right = x + 10; 4345 region.top = y - 10; 4346 region.bottom = y + 10; 4347 4348 EventGeometry geometry = mEventGeometry; 4349 4350 for (int i = 0; i < numEvents; i++) { 4351 Event event = events.get(i); 4352 // Compute the event rectangle. 4353 if (!geometry.computeEventRect(date, left, top, cellWidth, event)) { 4354 continue; 4355 } 4356 4357 // If the event intersects the selection region, then add it to 4358 // mSelectedEvents. 4359 if (geometry.eventIntersectsSelection(event, region)) { 4360 mSelectedEvents.add(event); 4361 } 4362 } 4363 4364 // If there are any events in the selected region, then assign the 4365 // closest one to mSelectedEvent. 4366 if (mSelectedEvents.size() > 0) { 4367 int len = mSelectedEvents.size(); 4368 Event closestEvent = null; 4369 float minDist = mViewWidth + mViewHeight; // some large distance 4370 for (int index = 0; index < len; index++) { 4371 Event ev = mSelectedEvents.get(index); 4372 float dist = geometry.pointToEvent(x, y, ev); 4373 if (dist < minDist) { 4374 minDist = dist; 4375 closestEvent = ev; 4376 } 4377 } 4378 mSelectedEvent = closestEvent; 4379 4380 // Keep the selected hour and day consistent with the selected 4381 // event. They could be different if we touched on an empty hour 4382 // slot very close to an event in the previous hour slot. In 4383 // that case we will select the nearby event. 4384 int startDay = mSelectedEvent.startDay; 4385 int endDay = mSelectedEvent.endDay; 4386 if (mSelectionDay < startDay) { 4387 mSelectionDay = startDay; 4388 } else if (mSelectionDay > endDay) { 4389 mSelectionDay = endDay; 4390 } 4391 4392 int startHour = mSelectedEvent.startTime / 60; 4393 int endHour; 4394 if (mSelectedEvent.startTime < mSelectedEvent.endTime) { 4395 endHour = (mSelectedEvent.endTime - 1) / 60; 4396 } else { 4397 endHour = mSelectedEvent.endTime / 60; 4398 } 4399 4400 if (mSelectionHour < startHour && mSelectionDay == startDay) { 4401 mSelectionHour = startHour; 4402 } else if (mSelectionHour > endHour && mSelectionDay == endDay) { 4403 mSelectionHour = endHour; 4404 } 4405 } 4406 } 4407 4408 // Encapsulates the code to continue the scrolling after the 4409 // finger is lifted. Instead of stopping the scroll immediately, 4410 // the scroll continues to "free spin" and gradually slows down. 4411 private class ContinueScroll implements Runnable { 4412 public void run() { 4413 mScrolling = mScrolling && mScroller.computeScrollOffset(); 4414 if (!mScrolling) { 4415 resetSelectedHour(); 4416 invalidate(); 4417 return; 4418 } 4419 4420 mViewStartY = mScroller.getCurrY(); 4421 4422 if (mCallEdgeEffectOnAbsorb) { 4423 if (mViewStartY < 0) { 4424 mEdgeEffectTop.onAbsorb((int) mLastVelocity); 4425 mCallEdgeEffectOnAbsorb = false; 4426 } else if (mViewStartY > mMaxViewStartY) { 4427 mEdgeEffectBottom.onAbsorb((int) mLastVelocity); 4428 mCallEdgeEffectOnAbsorb = false; 4429 } 4430 mLastVelocity = mScroller.getCurrVelocity(); 4431 } 4432 4433 if (mScrollStartY == 0 || mScrollStartY == mMaxViewStartY) { 4434 // Allow overscroll/springback only on a fling, 4435 // not a pull/fling from the end 4436 if (mViewStartY < 0) { 4437 mViewStartY = 0; 4438 } else if (mViewStartY > mMaxViewStartY) { 4439 mViewStartY = mMaxViewStartY; 4440 } 4441 } 4442 4443 computeFirstHour(); 4444 post(this); 4445 invalidate(); 4446 } 4447 } 4448 4449 /** 4450 * Cleanup the pop-up and timers. 4451 */ 4452 public void cleanup() { 4453 // Protect against null-pointer exceptions 4454 if (mPopup != null) { 4455 mPopup.dismiss(); 4456 } 4457 mLastPopupEventID = INVALID_EVENT_ID; 4458 Handler handler = getHandler(); 4459 if (handler != null) { 4460 handler.removeCallbacks(mDismissPopup); 4461 handler.removeCallbacks(mUpdateCurrentTime); 4462 } 4463 4464 Utils.setSharedPreference(mContext, GeneralPreferences.KEY_DEFAULT_CELL_HEIGHT, 4465 mCellHeight); 4466 4467 // Turn off redraw 4468 mRemeasure = false; 4469 } 4470 4471 /** 4472 * Restart the update timer 4473 */ 4474 public void restartCurrentTimeUpdates() { 4475 post(mUpdateCurrentTime); 4476 } 4477 4478 @Override 4479 protected void onDetachedFromWindow() { 4480 cleanup(); 4481 super.onDetachedFromWindow(); 4482 } 4483 4484 class DismissPopup implements Runnable { 4485 public void run() { 4486 // Protect against null-pointer exceptions 4487 if (mPopup != null) { 4488 mPopup.dismiss(); 4489 } 4490 } 4491 } 4492 4493 class UpdateCurrentTime implements Runnable { 4494 public void run() { 4495 long currentTime = System.currentTimeMillis(); 4496 mCurrentTime.set(currentTime); 4497 //% causes update to occur on 5 minute marks (11:10, 11:15, 11:20, etc.) 4498 postDelayed(mUpdateCurrentTime, 4499 UPDATE_CURRENT_TIME_DELAY - (currentTime % UPDATE_CURRENT_TIME_DELAY)); 4500 mTodayJulianDay = Time.getJulianDay(currentTime, mCurrentTime.gmtoff); 4501 invalidate(); 4502 } 4503 } 4504 4505 class CalendarGestureListener extends GestureDetector.SimpleOnGestureListener { 4506 @Override 4507 public boolean onSingleTapUp(MotionEvent ev) { 4508 if (DEBUG) Log.e(TAG, "GestureDetector.onSingleTapUp"); 4509 DayView.this.doSingleTapUp(ev); 4510 return true; 4511 } 4512 4513 @Override 4514 public void onLongPress(MotionEvent ev) { 4515 if (DEBUG) Log.e(TAG, "GestureDetector.onLongPress"); 4516 DayView.this.doLongPress(ev); 4517 } 4518 4519 @Override 4520 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 4521 if (DEBUG) Log.e(TAG, "GestureDetector.onScroll"); 4522 if (mTouchStartedInAlldayArea) { 4523 if (Math.abs(distanceX) < Math.abs(distanceY)) { 4524 return false; 4525 } 4526 // don't scroll vertically if this started in the allday area 4527 distanceY = 0; 4528 } 4529 DayView.this.doScroll(e1, e2, distanceX, distanceY); 4530 return true; 4531 } 4532 4533 @Override 4534 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 4535 if (DEBUG) Log.e(TAG, "GestureDetector.onFling"); 4536 4537 if (mTouchStartedInAlldayArea) { 4538 if (Math.abs(velocityX) < Math.abs(velocityY)) { 4539 return false; 4540 } 4541 // don't fling vertically if this started in the allday area 4542 velocityY = 0; 4543 } 4544 DayView.this.doFling(e1, e2, velocityX, velocityY); 4545 return true; 4546 } 4547 4548 @Override 4549 public boolean onDown(MotionEvent ev) { 4550 if (DEBUG) Log.e(TAG, "GestureDetector.onDown"); 4551 DayView.this.doDown(ev); 4552 return true; 4553 } 4554 } 4555 4556 @Override 4557 public boolean onLongClick(View v) { 4558 int flags = DateUtils.FORMAT_SHOW_WEEKDAY; 4559 long time = getSelectedTimeInMillis(); 4560 if (!mSelectionAllday) { 4561 flags |= DateUtils.FORMAT_SHOW_TIME; 4562 } 4563 if (DateFormat.is24HourFormat(mContext)) { 4564 flags |= DateUtils.FORMAT_24HOUR; 4565 } 4566 mLongPressTitle = Utils.formatDateRange(mContext, time, time, flags); 4567 new AlertDialog.Builder(mContext).setTitle(mLongPressTitle) 4568 .setItems(mLongPressItems, new DialogInterface.OnClickListener() { 4569 @Override 4570 public void onClick(DialogInterface dialog, int which) { 4571 if (which == 0) { 4572 long extraLong = 0; 4573 if (mSelectionAllday) { 4574 extraLong = CalendarController.EXTRA_CREATE_ALL_DAY; 4575 } 4576 mController.sendEventRelatedEventWithExtra(this, 4577 EventType.CREATE_EVENT, -1, getSelectedTimeInMillis(), 0, -1, 4578 -1, extraLong, -1); 4579 } 4580 } 4581 }).show().setCanceledOnTouchOutside(true); 4582 return true; 4583 } 4584 4585 // The rest of this file was borrowed from Launcher2 - PagedView.java 4586 private static final int MINIMUM_SNAP_VELOCITY = 2200; 4587 4588 private class ScrollInterpolator implements Interpolator { 4589 public ScrollInterpolator() { 4590 } 4591 4592 public float getInterpolation(float t) { 4593 t -= 1.0f; 4594 t = t * t * t * t * t + 1; 4595 4596 if ((1 - t) * mAnimationDistance < 1) { 4597 cancelAnimation(); 4598 } 4599 4600 return t; 4601 } 4602 } 4603 4604 private long calculateDuration(float delta, float width, float velocity) { 4605 /* 4606 * Here we compute a "distance" that will be used in the computation of 4607 * the overall snap duration. This is a function of the actual distance 4608 * that needs to be traveled; we keep this value close to half screen 4609 * size in order to reduce the variance in snap duration as a function 4610 * of the distance the page needs to travel. 4611 */ 4612 final float halfScreenSize = width / 2; 4613 float distanceRatio = delta / width; 4614 float distanceInfluenceForSnapDuration = distanceInfluenceForSnapDuration(distanceRatio); 4615 float distance = halfScreenSize + halfScreenSize * distanceInfluenceForSnapDuration; 4616 4617 velocity = Math.abs(velocity); 4618 velocity = Math.max(MINIMUM_SNAP_VELOCITY, velocity); 4619 4620 /* 4621 * we want the page's snap velocity to approximately match the velocity 4622 * at which the user flings, so we scale the duration by a value near to 4623 * the derivative of the scroll interpolator at zero, ie. 5. We use 6 to 4624 * make it a little slower. 4625 */ 4626 long duration = 6 * Math.round(1000 * Math.abs(distance / velocity)); 4627 if (DEBUG) { 4628 Log.e(TAG, "halfScreenSize:" + halfScreenSize + " delta:" + delta + " distanceRatio:" 4629 + distanceRatio + " distance:" + distance + " velocity:" + velocity 4630 + " duration:" + duration + " distanceInfluenceForSnapDuration:" 4631 + distanceInfluenceForSnapDuration); 4632 } 4633 return duration; 4634 } 4635 4636 /* 4637 * We want the duration of the page snap animation to be influenced by the 4638 * distance that the screen has to travel, however, we don't want this 4639 * duration to be effected in a purely linear fashion. Instead, we use this 4640 * method to moderate the effect that the distance of travel has on the 4641 * overall snap duration. 4642 */ 4643 private float distanceInfluenceForSnapDuration(float f) { 4644 f -= 0.5f; // center the values about 0. 4645 f *= 0.3f * Math.PI / 2.0f; 4646 return (float) Math.sin(f); 4647 } 4648} 4649