Android Calendar 4.4源码 月视图带左右滑动功能

/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.calendar; import android.animation.Animator; import com.android.calendar.R; import android.animation.AnimatorListenerAdapter; import android.animation.ObjectAnimator; import android.animation.ValueAnimator; import android.app.AlertDialog; import android.app.Service; import android.content.ContentResolver; import android.content.ContentUris; import android.content.Context; import android.content.DialogInterface; import android.content.res.Resources; import android.content.res.TypedArray; import android.database.Cursor; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.Paint.Align; import android.graphics.Paint.Style; import android.graphics.Rect; import android.graphics.Typeface; import android.graphics.drawable.Drawable; import android.net.Uri; import android.os.Handler; import android.os.Trace; import android.provider.CalendarContract.Attendees; import android.provider.CalendarContract.Calendars; import android.provider.CalendarContract.Events; import android.text.Layout.Alignment; import android.text.SpannableStringBuilder; import android.text.StaticLayout; import android.text.TextPaint; import android.text.TextUtils; import android.text.format.DateFormat; import android.text.format.DateUtils; import android.text.format.Time; import android.text.style.StyleSpan; import android.util.Log; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import android.view.GestureDetector; import android.view.Gravity; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.MenuItem; import android.view.MotionEvent; import android.view.ScaleGestureDetector; import android.view.View; import android.view.ViewConfiguration; import android.view.ViewGroup; import android.view.WindowManager; import android.view.ContextMenu.ContextMenuInfo; import android.view.accessibility.AccessibilityEvent; import android.view.accessibility.AccessibilityManager; import android.view.animation.AccelerateDecelerateInterpolator; import android.view.animation.Animation; import android.view.animation.Interpolator; import android.view.animation.TranslateAnimation; import android.widget.EdgeEffect; import android.widget.ImageView; import android.widget.OverScroller; import android.widget.PopupWindow; import android.widget.TextView; import android.widget.Toast; import android.widget.ViewSwitcher; import com.android.calendar.CalendarController.EventType; import com.android.calendar.CalendarController.ViewType; import com.mediatek.calendar.LogUtil; import com.mediatek.calendar.MTKUtils; import com.mediatek.calendar.PDebug; import com.mediatek.calendar.extension.ExtensionFactory; import com.mediatek.calendar.extension.ICalendarThemeExt; import java.text.DateFormatSymbols; import java.util.ArrayList; import java.util.Arrays; import java.util.Calendar; import java.util.Formatter; import java.util.Locale; import java.util.regex.Matcher; import java.util.regex.Pattern; import android.text.Layout.Alignment; /** * View for multi-day view. So far only 1 and 7 day have been tested. */ public class DayView extends View implements View.OnCreateContextMenuListener, ScaleGestureDetector.OnScaleGestureListener, View.OnClickListener, View.OnLongClickListener { private static final String TAG = "DayView"; /// M: add a tag for performance auto test tool. private static final String CALENDAR_APPUPDATE = "AppUpdate"; private static final boolean DEBUG = false; private static final boolean DEBUG_SCALING = false; private static final String PERIOD_SPACE = ". "; // CHECKSTYLE:OFF private static float mScale = 0; // Used for supporting different screen densities // CHECKSTYLE:ON private static final long INVALID_EVENT_ID = -1; //This is used for remembering a null event // Duration of the allday expansion private static final long ANIMATION_DURATION = 400; // duration of the more allday event text fade private static final long ANIMATION_SECONDARY_DURATION = 200; // duration of the scroll to go to a specified time private static final int GOTO_SCROLL_DURATION = 200; // duration for events' cross-fade animation private static final int EVENTS_CROSS_FADE_DURATION = 400; // duration to show the event clicked private static final int CLICK_DISPLAY_DURATION = 50; private static final int MENU_AGENDA = 2; private static final int MENU_DAY = 3; private static final int MENU_EVENT_VIEW = 5; private static final int MENU_EVENT_CREATE = 6; private static final int MENU_EVENT_EDIT = 7; private static final int MENU_EVENT_DELETE = 8; ///M: add share event menu item. private static final int MENU_EVENT_SHARE = 9; private static int DEFAULT_CELL_HEIGHT = 64; private static int MAX_CELL_HEIGHT = 150; private static int MIN_Y_SPAN = 100; ///M: add theme alpha value for GridAreaSelected. private static int THEME_ALPHA_GRID_AREA_SELECTED = 0xe6; ///M: add alpha value when draw EventRect. private static int EVENT_RECT_ALPHA = 160; private boolean mOnFlingCalled; private boolean mStartingScroll = false; protected boolean mPaused = true; private Handler mHandler; /** * ID of the last event which was displayed with the toast popup. * * This is used to prevent popping up multiple quick views for the same event, especially * during calendar syncs. This becomes valid when an event is selected, either by default * on starting calendar or by scrolling to an event. It becomes invalid when the user * explicitly scrolls to an empty time slot, changes views, or deletes the event. */ private long mLastPopupEventID; protected Context mContext; private static final String[] CALENDARS_PROJECTION = new String[] { Calendars._ID, // 0 Calendars.CALENDAR_ACCESS_LEVEL, // 1 Calendars.OWNER_ACCOUNT, // 2 }; private static final int CALENDARS_INDEX_ACCESS_LEVEL = 1; private static final int CALENDARS_INDEX_OWNER_ACCOUNT = 2; ///M: String.format() work incorrect in Arabic Language @{ /* * private static final String CALENDARS_WHERE = Calendars._ID + "=%d"; */ /// @} private static final int FROM_NONE = 0; private static final int FROM_ABOVE = 1; private static final int FROM_BELOW = 2; private static final int FROM_LEFT = 4; private static final int FROM_RIGHT = 8; private static final int ACCESS_LEVEL_NONE = 0; private static final int ACCESS_LEVEL_DELETE = 1; private static final int ACCESS_LEVEL_EDIT = 2; private static int mHorizontalSnapBackThreshold = 128; private final ContinueScroll mContinueScroll = new ContinueScroll(); // Make this visible within the package for more informative debugging Time mBaseDate; private Time mCurrentTime; //Update the current time line every five minutes if the window is left open that long private static final int UPDATE_CURRENT_TIME_DELAY = 300000; private final UpdateCurrentTime mUpdateCurrentTime = new UpdateCurrentTime(); private int mTodayJulianDay; private final Typeface mBold = Typeface.DEFAULT_BOLD; private int mFirstJulianDay; private int mLoadedFirstJulianDay = -1; private int mLastJulianDay; privat